CN109273844B - GSM antenna assembly and electronic equipment - Google Patents

Abstract

The invention discloses a GSM antenna assembly and electronic equipment, wherein the GSM antenna assembly comprises a mainboard, a shell and an antenna body arranged on one inner side surface of the shell; the antenna body comprises straight line parts, bent parts and first pin parts, wherein the straight line parts are arranged at intervals along the inner side surface of the shell and are fully distributed on the inner side surface, the straight line parts are mutually connected through the bent parts, and the first pin parts are connected with the straight line parts; the main board is arranged in the shell and is electrically connected with the antenna body through the first pin part. According to the GSM antenna assembly and the electronic equipment, the antenna body is arranged on the inner side wall of the shell, so that the space of the inner side wall of the shell is fully utilized, the antenna body is far away from the electronic element on the mainboard, the antenna body is prevented from being interfered by the electronic element on the mainboard, and the signal receiving is more sensitive.

Description

GSM antenna assembly and electronic equipment

Technical Field

The present invention relates to the field of communications devices, and in particular, to a GSM antenna assembly and an electronic device.

Background

Electronic devices such as child watches generally have a communication function, and an antenna needs to be provided on the child watch to receive or transmit signals. The antenna on children's wrist-watch generally sets up at the casing internal surface, but because children's wrist-watch is general small, and the structure is compacter, and the distance between the components and parts of antenna and mainboard generally can be smaller, and the interference that the antenna received is more, and the sensitivity that leads to the antenna is not high, influences children's wrist-watch's normal communication.

Disclosure of Invention

The invention mainly aims to provide a GSM antenna component with high sensitivity and electronic equipment.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows: a GSM antenna assembly comprises a mainboard, a shell and an antenna body arranged on one inner side surface of the shell; the antenna body comprises straight line parts, bent parts and first pin parts, wherein the straight line parts are arranged at intervals along the inner side surface of the shell and are fully distributed on the inner side surface, the straight line parts are mutually connected through the bent parts, and the first pin parts are connected with the straight line parts; the main board is arranged in the shell and is electrically connected with the antenna body through the first pin part.

Further, the straight line portion includes high-frequency range and low-frequency range, and high-frequency range and low-frequency range pass through the part of bending to be connected, and first pin part is connected with the high-frequency range.

Further, the first pin part comprises a first ground feed point and a signal feed point, and the first ground feed point and the signal feed point are arranged at intervals and are respectively and vertically connected with the high-frequency band.

Further, the high-frequency section comprises a first high-frequency straight-line section, a second high-frequency straight-line section and a first bent section; the first high-frequency straight line section is connected with the bending part, and the other end of the first high-frequency straight line section is vertically connected with the first bending section; the second high-frequency straight line section is connected with the first bending section and is parallel to the first high-frequency straight line section.

Further, the low-frequency section comprises a first low-frequency straight-line section, a second low-frequency straight-line section and a second bent section; the first low-frequency straight-line segment, the second bending segment and the second low-frequency straight-line segment are sequentially connected and enclose a high frequency band.

Furthermore, the radiating line further comprises a second pin part, the second pin part comprises a second ground feed point and an extension section, the ground extension section is vertically connected with the second ground feed point, and the second ground feed point and the first ground feed point are respectively arranged on two opposite sides of the signal feed point.

Furthermore, a connecting elastic sheet is arranged on the mainboard, and the connecting elastic sheet is electrically connected with the mainboard and is abutted against the first pin part and the second pin part.

Furthermore, the connecting elastic sheet comprises a first elastic sheet, a second elastic sheet and a third elastic sheet, and the first elastic sheet, the second elastic sheet and the third elastic sheet are respectively abutted against the first ground feed point, the signal feed point and the second ground feed point.

Further, the casing includes mesochite and bottom, and the relative two sides of mesochite set up the opening, and the bottom covers the unification opening and forms the inner space that is used for holding the mainboard with the mesochite, and mesochite one end all edges all around is provided with the holding surface, and first pin part and second pin part all extend to the holding surface.

An electronic device comprising a GSM antenna assembly of any of the above.

According to the GSM antenna assembly and the electronic equipment, the antenna body is arranged on the inner side wall of the shell, so that the space of the inner side wall of the shell is fully utilized, the antenna body is far away from the electronic element on the mainboard, the antenna body is prevented from being interfered by the electronic element on the mainboard, and the signal receiving is more sensitive.

Drawings

FIG. 1 is an exploded view of a GSM antenna assembly according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an antenna body according to an embodiment of the present invention;

FIG. 3 is an exploded view of an electronic device according to another embodiment of the invention;

FIG. 4 is a schematic structural diagram of a triad antenna according to an embodiment of the present invention;

FIG. 5 is an exploded view of an electronic device in accordance with yet another embodiment of the invention;

FIG. 6 is a schematic structural diagram of a bottom cover according to an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a bottom cover according to an embodiment of the present invention;

FIG. 8 is a schematic structural diagram of a metal thimble according to an embodiment of the present invention;

FIG. 9 is a schematic structural diagram of a motherboard according to an embodiment of the invention;

FIG. 10 is a schematic structural view of a center housing according to an embodiment of the present invention;

FIG. 11 is an exploded view of an electronic device according to yet another embodiment of the invention;

FIG. 12 is a schematic structural view of a fixing element according to an embodiment of the invention;

FIG. 13 is a schematic structural view of a fastener according to another embodiment of the invention;

fig. 14 is a schematic structural diagram of an electronic device according to still another embodiment of the invention;

FIG. 15 is a schematic structural view of a center housing according to an embodiment of the present invention;

fig. 16 is an exploded view of an electronic device according to yet another embodiment of the invention;

FIG. 17 is a schematic structural diagram of a card socket according to an embodiment of the invention;

FIG. 18 is a schematic view of the cartridge of FIG. 13 from another perspective;

FIG. 19 is an exploded view of an electronic device in accordance with yet another embodiment of the invention;

fig. 20 is a schematic structural diagram of an upper cover according to an embodiment of the present invention.

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 and 2, the GSM antenna assembly of the embodiment of the present invention includes amotherboard 2, a housing 1, and anantenna body 40 disposed on an inner sidewall of the housing 1; theantenna body 40 comprisesstraight line parts 401,bent parts 402 andfirst pin parts 403, wherein thestraight line parts 401 are arranged at intervals along an inner side wall of the shell 1 and are fully distributed on the inner side wall, thestraight line parts 401 are connected with each other through thebent parts 402, and thefirst pin parts 403 are connected with thestraight line parts 401; themain board 2 is disposed in the housing 1 and electrically connected to theantenna body 40 through thefirst lead portion 403. Specifically, theantenna body 40 may be etched to the inner side wall of the housing 1 by laser etching. Through locatingantenna body 40 in a casing 1 inside wall, the space of make full use of casing 1 inside wall to makeantenna body 40 keep away from the electronic component onmainboard 2, avoidantenna body 40 to receive the interference of the electronic component onmainboard 2, signal reception is more sensitive.

Referring to fig. 2, thestraight line portion 401 includes a high frequency band 4011 and a low frequency band 4012, the high frequency band 4011 and the low frequency band 4012 are connected by abent portion 402, and thefirst lead portion 403 is connected to the high frequency band 4011. Preferably, low band 4012 and high band 4011 are all extended towards two inside walls adjacent to this inside wall with casing 1 along the horizontal direction to enlarge signal reception's area, be favorable to the collection of signal, the performance of GSM antenna is better.

Referring to fig. 2, thefirst pin part 403 includes a firstground feeding point 4031 and asignal feeding point 4032, and the firstground feeding point 4031 and thesignal feeding point 4032 are spaced apart and vertically connected to the high frequency segment 4011, respectively. In this embodiment, the firstground feeding point 4031 and thesignal feeding point 4032 are both connected to themain board 2 to transmit signals onto themain board 2 and to emit signals output by themain board 2.

Referring to fig. 2, the high-frequency segment 4011 includes a first high-frequencystraight line segment 40111, a second high-frequency straight line segment 40112, and afirst bent segment 40113; the first high-frequencystraight line segment 40111 is connected with thebending part 402, and the other end of the first high-frequency straight line segment is vertically connected with thefirst bending segment 40113; the second high-frequency straight line segment 40112 is connected to thefirst bent segment 40113 and is parallel to the first high-frequencystraight line segment 40111. In this implementation, the first high-frequencystraight line segment 40111 and the second high-frequency straight line segment 40112 both extend horizontally along an inner side wall of the housing 1, the first high-frequencystraight line segment 40111 and the second high-frequency straight line segment 40112 are arranged at intervals, and the first bending portion and thebending portion 402 are respectively arranged at corners of the inner side wall and two adjacent side faces, so that the surface of the inner side wall is fully utilized.

Referring to fig. 2, the low frequency segment 4012 comprises a first low frequencystraight line segment 40121, a second low frequencystraight line segment 40122 and a second bend segment 40123; the first low-frequencystraight line segment 40121, the second bent segment 40123 and the second low-frequencystraight line segment 40122 are sequentially connected to and enclose the high-frequency segment 4011. In this implementation, firstlow frequency straightway 40121 and secondlow frequency straightway 40122 all extend along 1 inside wall level of casing, and firstlow frequency straightway 40121, firsthigh frequency straightway 40111, second high frequency straightway 40112 and secondlow frequency straightway 40122 interval in proper order set up to be covered with this inside wall, enlarged the received signal's of theantenna body 40 of GSM antenna area, the GSM antenna is more sensitive.

Referring to fig. 2, theantenna body 40 further includes asecond pin portion 404, thesecond pin portion 404 includes asecond feed point 4041 and anextension 4042, theextension 4042 is perpendicularly connected to thesecond feed point 4041, and thesecond feed point 4041 and thefirst feed point 4031 are respectively disposed on two opposite sides of thesignal feed point 4032. The addition of thesecond pin portion 404, the coupling of thesecond feed point 4041 to thesignal feed point 4032 can generate a higher frequency resonance to increase the bandwidth of the GSM antenna. In this embodiment, the distance between the secondground feed point 4041 and thesignal feed point 4032 is 0.5-2mm, preferably 1.5 mm.

Referring to fig. 5, themotherboard 2 is provided with a connection elastic sheet 50, and the connection elastic sheet 50 is electrically connected to themotherboard 2 and abuts against thefirst lead portion 403 and thesecond lead portion 404. Preferably, the connecting elastic piece 50 includes a firstelastic piece 501, a second elastic piece 502 and a thirdelastic piece 503, and the firstelastic piece 501, the second elastic piece 502 and the thirdelastic piece 503 respectively abut against the firstground feed point 4031, thesignal feed point 4032 and the secondground feed point 4041. When themain board 2 is installed, themain board 2 is placed in themiddle case 11, the firstelastic sheet 501, the second elastic sheet 502 and the thirdelastic sheet 503 are respectively abutted to the firstground feed point 4031, thesignal feed point 4032 and the secondground feed point 4041, then thefixing member 5 is fixed in themiddle case 11 to compress themain board 2 and/or themain board 2 is fixed to themiddle case 11 by matching thesecond screw 200 with the innerscrew hole column 113, so that the firstelastic sheet 501, the second elastic sheet 502 and the thirdelastic sheet 503 are tightly connected with the firstground feed point 4031, thesignal feed point 4032 and the secondground feed point 4041, and the reception and transmission of signals are ensured.

Referring to fig. 1 and 5, the housing 1 includes amiddle case 11 and abottom cover 12, wherein two opposite sides of themiddle case 11 are provided with openings, thebottom cover 12 covers the openings to form an inner space with themiddle case 11 for accommodating themotherboard 2, a supportingsurface 120 is provided around a peripheral edge of one end of themiddle case 11, and thefirst lead portion 403 and thesecond lead portion 404 both extend to the supportingsurface 120. Specifically, theantenna body 40 is disposed on an inner side wall of themiddle housing 11, and thestraight portion 401 extends to two side surfaces adjacent to the inner side wall along the horizontal direction. In this embodiment, theconnection column 111, the inner threadedcolumn 113 and thefixing column 114 are disposed on thesupport surface 120. By providing the supportingsurface 120, the area of the inner side wall surface of themiddle case 11 is enlarged, and thefirst lead portion 403 and thesecond lead portion 404 extend to the supportingsurface 120, which is more convenient for connection with themotherboard 2.

Referring to fig. 1, aprotrusion 1201 is disposed on the supportingsurface 120, the firstground feed point 4031, thesignal feed point 4032, and the secondground feed point 4041 are disposed on theprotrusion 1201, and the connecting elastic piece 50 abuts against theprotrusion 1201. By providing theprotrusions 1201, the distance between thefirst lead portion 403 and thesecond lead portion 404 and themotherboard 2 can be shortened, and the influence of the excessive wall thickness of the supportingsurface 120 on the injection molding of themiddle shell 11 can be avoided.

Referring to fig. 1, twoseparation grooves 1202 are spaced apart from each other on theprotrusion 1201, and the twoseparation grooves 1202 are respectively disposed between the firstground feed point 4031 and thesignal feed point 4032 and between thesignal feed point 4032 and the secondground feed point 4041. The provision of theseparation groove 1202 can avoid interference between the firstground feed point 4031 and thesignal feed point 4032 and between the secondground feed point 4041 and thesignal feed point 4032, and facilitate laser etching.

Referring to fig. 1, the GSM antenna assembly further includes asecond screw 200, themain board 2 is provided with acircular hole 22, themiddle case 11 is provided with an innerscrew hole pillar 113, thesecond screw 200 penetrates through thecircular hole 22 and is matched with the innerscrew hole pillar 113 to fix themain board 2 on themiddle case 11. Themainboard 2 is fixed in themiddle shell 11 through the matching of thesecond screw 200 and the inner threadedcolumn 113, the installation of themainboard 2 is more stable, the connecting elastic sheet 50 can be tightly connected with thefirst pin part 403 and thesecond pin part 404, and the looseness is not easy to occur.

The embodiment of the invention also provides electronic equipment comprising the GSM antenna assembly.

Referring to fig. 3, the electronic device further includes a three-in-one antenna, the three-in-one antenna includes amain antenna 60, themain antenna 60 is used for receiving or transmitting dual-frequency WIFI signals and BT signals, themain antenna 60 is disposed at a chamfer of an inner side wall of the housing 1 and partially extends to two adjacent inner side walls connected to the chamfer; themain board 2 is provided with an antennaelastic sheet 70; the fixingmember 5 is fixed in the housing 1 and abuts against themain board 2, so that theantenna spring 70 abuts against themain antenna assembly 60. In this embodiment, themain antenna 60 is processed to the inner sidewall chamfer of themiddle shell 11 by laser etching. Specifically, themain antenna 60 is disposed at a chamfer of an inner sidewall of themiddle shell 11 on a side opposite to the GSM antenna, and thespeaker hole 112 is disposed on the inner sidewall. Themain board 2 is tightly pressed by the fixingpart 5, so that the antennaelastic sheet 70 on themain board 2 is tightly abutted to themain antenna assembly 60, the antennaelastic sheet 70 is prevented from being separated from themain antenna assembly 60 due to looseness of themain board 2, the electronic equipment can normally receive or transmit dual-frequency WIFI signals and BT signals, and the electronic equipment keeps normal network connection; in addition, themain antenna 60 is arranged at the chamfer of the inner side wall of themiddle shell 11 on the side opposite to the GSM antenna, themain antenna 60 is far away from the GSM antenna, the interference is small, and the high sensitivity can be kept.

Referring to fig. 4, themain set antenna 60 includes aradiation line 601 and aconnection line 602; theradiation circuit 601 is arranged at a chamfer of the inner side wall of themiddle shell 11 and extends towards two inner side walls adjacent to the chamfer; theconnection line 602 is connected to theradiation line 601, and theantenna spring 70 abuts against theconnection line 602. In this embodiment, theradiation line 601 extends to two inner side walls adjacent to the chamfer along the horizontal direction, and the space of the inner wall surface of themiddle housing 11 at the chamfer is fully utilized to enlarge the radiation area, so that the sensitivity of themain collector antenna 60 is higher.

Referring to fig. 4, aradiation line 601 includes a firsthorizontal segment 6011, a secondhorizontal segment 6012, and avertical segment 6013, the firsthorizontal segment 6011 and the secondhorizontal segment 6012 are vertically connected to both ends of thevertical segment 6013 at intervals, and aconnection line 602 is connected to the secondhorizontal segment 6012. In this embodiment, the firsthorizontal segment 6011 is configured to receive a low-frequency WIFI signal (2.4GHz) and a BT signal (2.4GHz), the secondhorizontal segment 6012 is configured to receive a high-frequency WIFI signal (5.0GHz), the firsthorizontal segment 6011 and the secondhorizontal segment 6012 are disposed at an interval, and the firsthorizontal segment 6011 is located above the secondhorizontal segment 6012, so that mutual interference can be prevented, and signal reception is more sensitive.

Referring to fig. 4, theconnection line 602 includes afirst connection segment 6021 and asecond connection segment 6022, thefirst connection segment 6021 and thesecond connection segment 6022 are connected to the secondhorizontal segment 6012 at intervals and extend to the supportingsurface 120, and theantenna spring 70 is connected to thefirst connection segment 6021 and thesecond connection segment 6022. Thefirst connection segment 6021 and thesecond connection segment 6022 extend to the supportingsurface 120, and theantenna spring piece 70 can be connected to theconnection line 602 when abutting against the supportingsurface 120, which is convenient to assemble.

Referring to fig. 3, afirst boss 1203 is formed on thesupport surface 120, thefirst connection section 6021 and thesecond connection section 6022 extend onto thefirst boss 1203, and theantenna dome 70 abuts against thefirst boss 1203 to be connected with thefirst connection section 6021 and thesecond connection section 6022. Through setting upfirst boss 1203, can shorten the distance betweenfirst linkage segment 6021,second linkage segment 6022 and theantenna shell fragment 70, avoid holdingsurface 120 thickness too big and influence the injection moulding ofmesochite 11, the bounce whenantenna shell fragment 70 butt is to the boss is bigger, andantenna shell fragment 70 can keep closely butt withfirst linkage segment 6021,second linkage segment 6022, and signal transmission is more stable.

Referring to fig. 3, afirst separation groove 1204 is formed on thefirst boss 1203, and thefirst separation groove 1204 is formed between thefirst connection section 6021 and thesecond connection section 6022. Thefirst separating groove 1204 can reduce the interference between the first connectingsection 6021 and the second connectingsection 6022, and is convenient for laser etching.

Referring to fig. 4, the electronic device further includes adiversity antenna 80, thediversity antenna 80 is disposed at a chamfer adjacent to themain diversity antenna 60 on themiddle case 11 and extends to the supportingsurface 120, and thediversity antenna 80 is connected to theantenna spring 70. Thediversity antenna 80 is provided, so that the data transmission speed can be improved, and the antenna performance is more excellent.

Referring to fig. 3, asecond boss 1205 is further formed on the supportingsurface 120, thediversity antenna 80 extends to thesecond boss 1205, and theantenna spring 70 abuts against thesecond boss 1205 to connect with thediversity antenna 80. Through setting upsecond boss 1205, can shorten the distance betweendiversity antenna 80 and theantenna shell fragment 70, avoid holdingsurface 120 thickness too big and influence the injection moulding ofmesochite 11, the bounce whenantenna shell fragment 70 butt is to the boss is bigger, andantenna shell fragment 70 can keep inseparable butt withdiversity antenna 80, and signal transmission is more stable.

Referring to fig. 5, the electronic device further includes abattery 3 and a metal thimble 4; thebatteries 3 are all arranged in the shell 1, and thebatteries 3 are electrically connected with themainboard 2; the metal thimble 4 is inserted in the casing 1 and is electrically connected with themainboard 2, and the metal thimble 4 partially exposes outside the casing 1, and the metal thimble 4 can be connected with the head that charges in order to realize charging tobattery 3. The metal thimble 4 electrically connected with themainboard 2 is arranged on the shell 1, the metal thimble 4 is exposed outside the shell 1, thebattery 3 can be charged by the charging head which is attached to the shell 1 and abutted against the metal thimble 4, and the metal thimble 4 is not subjected to the action force of plugging and unplugging and can be stably connected with themainboard 2 for a long time; and the metal thimble 4 does not need to occupy too much space of the shell 1, which is beneficial to reducing the volume of the shell 1.

Referring to fig. 5, the case 1 includes abottom cover 12 and amiddle case 11, wherein two opposite sides of themiddle case 11 are provided with openings, thebottom cover 12 covers an opening to form an inner space with themiddle case 11 for accommodating themain board 2 and thebattery 3, and themain board 2 and thebattery 3 are disposed in the inner space. The shell 1 adopts a separated structure, which is beneficial to assembly. In another embodiment, thebottom cover 12 and themiddle case 11 may be a unitary structure. The housing 1 may be made of plastic only, by injection molding; the housing 1 may also include a metal portion and a plastic portion, and specifically, during the production, the metal portion may be formed first, for example, a metal substrate is formed by injection molding, then plastic is injected on the basis of the metal substrate to form a plastic substrate, and finally the complete housing 1 is formed.

Referring to fig. 5, the electronic device further includes abuffer pad 7, and thebuffer pad 7 is disposed between thebattery 3 and thebottom cover 12. Preferably, thecushion 7 is foam. Thecushion pad 7 can reduce the collision or friction between thebattery 3 and thebottom cover 12 caused by the falling of the electronic device, thereby better protecting thebattery 3.

Referring to fig. 6 and 7, thebottom cover 12 is provided with a throughhole 121, and the metal thimble 4 passes through the throughhole 121 and abuts against themain board 2. Through setting up through-hole 121, when the installation, installmainboard 2 andbattery 3 inmesochite 11 earlier, then close bottom 12, insert metal thimble 4 through-hole 121 at last and make metal thimble 4butt mainboard 2 to realize the electric connection of metal thimble 4 andmainboard 2. In a specific implementation, the diameter of the throughhole 121 is smaller than the diameter of the metal thimble 4, so that the metal thimble 4 is in interference fit with the throughhole 121, the metal thimble 4 is tightly clamped in the throughhole 121, and the metal thimble 4 is prevented from falling off.

Referring to fig. 6, a matchinggroove 122 adapted to the charging head is formed on thebottom cover 12, and the throughhole 121 penetrates the matchinggroove 122. The matchinggroove 122 is arranged, so that the charging head can be conveniently butted with thebottom cover 12, the electric connection between the charging head and the metal thimble 4 is realized, thebattery 3 can be stably charged, and the operation is more convenient. Further, it is sunken 1221 to have the counterpoint in the matchinggroove 122 to counterpoint with the arch of the head that charges, conveniently with the butt joint of metal thimble 4 and the thimble of the head that charges, the through-hole 121 is two, two through-holes 121 interval settings, counterpoint sunken 1221 establish with between two through-holes 121.

Referring to fig. 6, the throughhole 121 is a stepped hole, one end of the metal thimble 4 is hung on the step of the throughhole 121, and the end of the metal thimble 4 is flush with the bottom surface of the matchinggroove 122. The throughhole 121 is a stepped hole, which enables the metal thimble 4 to abut against a step of the stepped hole, thereby preventing the metal thimble 4 from being squeezed into the housing 1 when the charging head abuts against the metal thimble 4.

Referring to fig. 8, the metal thimble 4 includes a firstcylindrical section 41 and a secondcylindrical section 42, a diameter of the firstcylindrical section 41 is larger than a diameter of the secondcylindrical section 42, the secondcylindrical section 42 is elastically inserted into the firstcylindrical section 41, the firstcylindrical section 41 is inserted into the throughhole 121, and the secondcylindrical section 42 is electrically connected to themotherboard 2. Preferably, the diameter of the firstcylindrical section 41 is larger than the aperture of the throughhole 121, so that the metal thimble 4 can be tightly clamped in the throughhole 121, and the metal thimble 4 is prevented from falling off from the throughhole 121; in another embodiment, the diameter of the firstcylindrical section 41 is smaller than the diameter of the throughhole 121, a protrudingring 411 is disposed on the firstcylindrical section 41, the diameter of the protrudingring 411 is larger than the diameter of the throughhole 121, the firstcylindrical section 41 is inserted into the throughhole 121, the protrudingring 411 is squeezed between the firstcylindrical section 41 and the inner wall of the throughhole 121, and thus the firstcylindrical section 41 can be tightly clamped in the throughhole 121.

Referring to fig. 9, themain board 2 is provided with ametal contact 21, and the secondcylindrical section 42 abuts against themetal contact 21. In this embodiment, the sum of the lengths of the firstcylindrical section 41 and the secondcylindrical section 42 is greater than the distance between the throughhole 121 and themain board 2, after the metal thimble 4 is completely inserted into the throughhole 121, the secondcylindrical section 42 is partially inserted into the firstcylindrical section 41 by being abutted by themetal contact 21, and the firstcylindrical section 41 provides a resilient force to keep the secondcylindrical section 42 in close contact with themetal contact 21.

Referring to fig. 8, the metal thimble 4 further includes a protrudingsection 43, the protrudingsection 43 is disposed at an end of the firstcylindrical section 41, and the protrudingsection 43 is hung on the throughhole 121. The diameter of the protrudingsection 43 is larger than that of the firstcylindrical section 41, and after the firstcylindrical section 41 is completely inserted into the throughhole 121, the protrudingsection 43 abuts on the step of the throughhole 121, so as to prevent the metal thimble 4 from sinking into the throughhole 121 to affect the connection between the charging head and the metal thimble 4.

Referring to fig. 5 and 7, thebottom cover 12 is further provided with adocking member 600, and thedocking member 600 is used for fixing the charging head on thebottom cover 12. The abuttingpiece 600 is arranged, so that the charging head is fixed to thebottom cover 12 and then is kept connected with the metal ejector pin 4, and the phenomenon that the charging head is loosened to cause poor contact and influence on charging efficiency is avoided. In this embodiment, thedocking member 600 may be a magnet fixed on thebottom cover 12; the magnetic part or the magnetic metal which is mutually attracted with the magnet can be arranged on the charging head, so that the charging head can be tightly attracted on the ground cover by utilizing the attraction of the magnet, and the disassembly is very convenient.

Referring to fig. 7, aboss 123 is formed at one end of thebottom cover 12, mountingholes 1231 are respectively formed at two ends of theboss 123, aprotrusion 1232 is further formed on theboss 123, the throughhole 121 penetrates through theboss 123, theprotrusion 1232 is formed between the two mountingholes 1231, the upper surface of theprotrusion 1232 is higher than the upper surface of the mountinghole 1231, and the magnet is disposed in the mountinghole 1231. Theboss 123 is provided to ensure that the throughhole 121 and the mountinghole 1231 have sufficient axial lengths to accommodate the magnet and the metal thimble 4, respectively, so that the magnet and the metal thimble 4 can be mounted more stably. In one embodiment, the magnet may be placed in an injection mold and injection molded integrally with thebottom cover 12, so that the magnet is inserted into the mountinghole 1231 and the mounting is stable.

Referring to fig. 5-7 and 10, the electronic device further includes afirst screw 100, a connectinghole 124 is formed in thebottom cover 12, a connectingpost 111 is formed in themiddle shell 11, a threadedhole 1111 adapted to thefirst screw 100 is formed in the connectingpost 111, and thefirst screw 100 passes through the connectinghole 124 and is matched with the threadedhole 1111. When thebattery 3 and themain board 2 are mounted in themiddle case 11, thebottom cover 12 is covered on themiddle case 11 with the connectinghole 124 aligned with the connectingpost 111, and finally thefirst screw 100 is inserted into the connectinghole 124 and screwed into the threadedhole 1111 of the connectingpost 111, and thebottom cover 12 is fixed on themiddle case 11.

In the electronic equipment in the embodiment, the metal thimble 4 electrically connected with themainboard 2 is arranged on the shell 1, the metal thimble 4 is exposed out of the shell 1, the charging head is attached to the shell 1 and abutted against the metal thimble 4 to charge the electronic equipment, and the metal thimble 4 is not subjected to the plugging action force and can be stably connected with themainboard 2 for a long time; and metal thimble 4 need not to occupy too much casing 1 space, is favorable to reducing the volume of casing 1, makes electronic equipment smaller and more exquisite, portable.

Referring to fig. 11, the electronic device further includes a fixingmember 5 for wrapping the speaker; themain board 2 and thebattery 3 are stacked in the housing 1; the fixingpiece 5 is arranged in the shell 1, and the fixingpiece 5 is abutted to themain board 2 to press themain board 2 on the inner wall of the shell 1. Compress tightly mainboard 2 at 1 inner wall of casing through mounting 5 to makemainboard 2 installation firm, difficult not hard up, mounting 5 can also be used for wrapping up loudspeaker moreover, and one is dual-purpose, can reduce cost.

Referring to fig. 10 and 11, abell mouth 112 is formed on one side wall of the housing 1, and a sealingmember 6 is provided in thebell mouth 112. Specifically, thespeaker hole 112 is disposed on a side wall of themiddle casing 11, aninsertion groove 1121 is disposed at a position of the inner side wall of themiddle casing 11 corresponding to thespeaker hole 112, and the sealingelement 6 is disposed in theinsertion groove 1121 and faces the sound output portion of the fixingelement 5. Preferably, the sealingmember 6 may be a waterproof sound-transmitting membrane; in order to improve the waterproof performance, a sealing silica gel may be disposed around the waterproof plugginggroove 1121 to prevent water from entering the housing 1 through thespeaker hole 112.

Referring to fig. 5 and 7, the electronic device further includes asealing ring 8, anannular groove 125 is formed around thebottom cover 12, and thesealing ring 8 is disposed in theannular groove 125. The sealingring 8 is arranged, when thebottom cover 12 is fixedly connected with themiddle shell 11, the sealingring 8 can prevent water from entering the shell 1 from a gap between thebottom cover 12 and themiddle shell 11, and the waterproof performance of the electronic equipment is improved. In this embodiment, the sealingring 8 may be made of a silicone material, or may be made of rubber.

Referring to fig. 11, the electronic device further includes athird screw 300, a throughhole 541 is formed in the fixingmember 5, a fixingpost 114 is formed on themiddle case 11, ascrew hole 1141 is formed in the fixingpost 114, and thethird screw 300 penetrates through the throughhole 541 and is matched with thescrew hole 1141. The fixing of the fixingmember 5 and themiddle shell 11 is realized by the cooperation of thethird screw 300 and thescrew hole 1141 on the fixingcolumn 114, the connection is stable, and the assembly is convenient. In another embodiment, the fixingmember 5 can also be fixed to themiddle shell 11 by means of a snap connection, and only the fixingmember 5 and themiddle shell 11 need to be provided with mutually matched snaps.

Referring to fig. 12, the fixingmember 5 includes abody 51 and a protrusion unit, the protrusion unit is protruded at a middle position of one side surface of thebody 51 to press themain board 2, and the protrusion unit includes aleft abutting portion 52, aright abutting portion 53 and a connectingportion 54; theleft abutting part 52 and theright abutting part 53 are respectively arranged at two opposite ends of one side surface of thebody 51 in a protruding way, and both theleft abutting part 52 and theright abutting part 53 abut against themain board 2; the connectingportion 54 is provided between theleft contact portion 52 and theright contact portion 53 and connects one side surface of themain body 51. When the fixingmember 5 is fixed to themiddle case 11, theleft abutting portion 52 and theright abutting portion 53 abut against themain board 2 to clamp themain board 2. Further, the fixingpart 5 is an injection molding part and is made of plastic materials; the connectingportion 54 is a flange protruding from one side of thebody 51, and the thickness of the connectingportion 54 is about one third of the thickness of thebody 51; by providing the throughhole 541 in the connectingportion 54, the difficulty of processing can be reduced, and the production and processing can be facilitated.

Referring to fig. 9, 12 and 13, the fixingmember 5 further includes aninsertion portion 55, theinsertion portion 55 is protruded from the bottom of themain body 51, theleft abutting portion 52 and theright abutting portion 53 are formed on both sides of theinsertion portion 55 and form a step shape with theinsertion portion 55, themain board 2 is provided with aninsertion port 23 adapted to theinsertion portion 55, theinsertion portion 55 is inserted into theinsertion port 23, and theleft abutting portion 52 and theright abutting portion 53 abut against the surface of themain board 2 on the side of theinsertion port 23. When the fixingmember 5 is fixed to themiddle case 11 to clamp themain board 2, only theleft abutting portion 52 and theright abutting portion 53 abut against themain board 2, and theinsertion portion 55 is inserted into theinsertion opening 23, so that the contact area between themain board 2 and the fixingmember 5 is reduced, themain board 2 is firmly clamped, themain board 2 can be prevented from swinging due to the cooperation of theinsertion portion 55 and theinsertion opening 23, and themain board 2 is more firmly fixed.

Referring to fig. 12, the throughhole 541 is opened in the connectingportion 54, afirst notch 511 is disposed on thebody 51 corresponding to the throughhole 541, and thefirst notch 511 is matched with thethird screw 300. Thefirst notch 511 is provided to prevent thebody 51 from blocking thethird screw 300 from being inserted into the throughhole 541, and to shorten the height of the connectingportion 54 protruding from the side of thebody 51, so as to save the inner space of themiddle case 11, and further reduce the size of themiddle case 11, and the electronic device is smaller.

Referring to fig. 12, asecond notch 551 is formed in theinsertion portion 55 corresponding to the throughhole 541, and thesecond notch 551 is matched with the fixingpost 114. Set upsecond notch 551, can avoidinsert portion 55 to block connectingportion 54 and fixedcolumn 114 butt so that through-hole 541 matches the intercommunication withscrew 1141,second notch 551 can also play spacing and prepositioning's effect with the cooperation of fixedcolumn 114 in addition, when the installationthird screw 300, can avoid mounting 5 to shift, and the assembly is more convenient. In the present embodiment, two throughholes 541 are respectively disposed at two ends of the connectingportion 54, and correspondingly, twofirst recesses 511 and twosecond recesses 551 are also provided.

Referring to fig. 13, the fixingmember 5 further includes a limitingportion 56, the limitingportion 56 includes a firstabutting piece 561 and a secondabutting piece 562, the firstabutting piece 561 is vertically connected to the secondabutting piece 562, the secondabutting piece 562 is connected to one end of theleft abutting portion 52, and the firstabutting piece 561 and the secondabutting piece 562 respectively abut against two adjacent sides of thebattery 3. In the present embodiment, the secondabutting piece 562 is flush with one side of thebody 51, one side of thebattery 3 abuts against the secondabutting piece 562 and one side of thebody 51, and the other side of thebattery 3 abuts against the firstabutting piece 561, so that thebattery 3 can be limited in the space of the housing 1 between the limitingportion 56 and thebody 51, and thebattery 3 can be stably mounted.

Referring to fig. 7, a thirdabutting piece 126 is provided on thebottom cover 12 on the side opposite to the fixingmember 5, and after thebottom cover 12 is closed with themiddle case 11, the thirdabutting piece 126 abuts against one side surface of thebattery 3. When thebottom cover 12 closes themiddle case 11, the thirdabutting piece 126 abuts against one side surface of thebattery 3, and the movement of thebattery 3 in two opposite directions of the thirdabutting piece 126, thebody 51 of theholder 5, and the secondabutting piece 562 is restricted.

Referring to fig. 10, afourth contact piece 115 is provided on the opposite side of themiddle case 11 from thefirst contact piece 561, and thefourth contact piece 115 contacts thebattery 3. Thefourth contact piece 115 restricts movement of thebattery 3 on opposite sides thereof together with thefirst contact piece 561, and restricts the degree of freedom of thebattery 3 in four directions, i.e., front-rear, left-right, together with thebody 51, thesecond contact piece 562, and thethird contact piece 126, so that thebattery 3 is stably fixed in the case 1.

Referring to fig. 10 and 14, thefourth contact piece 115 is spaced apart from the side wall of themiddle case 11, two ends of thefourth contact piece 115 are connected to the side wall of themiddle case 11 to form a receivinggroove 116, avibration motor 800 is disposed in the receivinggroove 116, and thevibration motor 800 is electrically connected to themotherboard 2. The vibration motor vibrates to drive themiddle shell 11 to vibrate so as to play a role in prompting, such as alarm clock prompting, information prompting and the like. In the present embodiment, the supportingbars 1161 are disposed at intervals on the side wall of themiddle shell 11 located in the containinggroove 116, and the supportingbars 1161 abut against thevibration motor 800; after thevibration motor 800 is inserted into the receivinggroove 116, thesupport bar 1161 and thefourth contact piece 115 are clamped in the receivinggroove 116 from two opposite sides, so that thevibration motor 800 is stably installed.

Referring to fig. 10, 14, and 15, the electronic device further includes a power button 700, abutton hole 117 is disposed on a side wall of themiddle case 11 on one side of thefourth contact piece 115, and the power button 700 is disposed in thebutton hole 117 and connected to themain board 2. Specifically, the power key 700 includes apressing member 7001, a silicone sleeve 7002 and aflexible circuit board 7003, the inner side wall of themiddle housing 11 is provided with a clampinggroove 118, the clampinggroove 118 is communicated with thekey hole 117, theflexible circuit board 7003 is inserted into the clampinggroove 118 and electrically connected with themain board 2, the silicone sleeve 7002 is sleeved on thepressing member 7001, and thepressing member 7001 is clamped in thekey hole 117 and can reciprocate along thekey hole 117; the pressingmember 7001 is pressed to press the silicone sleeve 7002 so that the silicone sleeve 7002 contacts theflexible circuit board 7003, so that theflexible circuit board 7003 is conducted and transmitted to themain board 2, and the electronic device can be started or closed. More specifically, the clampinggroove 118 includes a left side plate 1181, aright side plate 1182 and abaffle 1183, the left side plate 1181 and theright side plate 1182 are arranged on the inner side wall of themiddle shell 11 at intervals, thebaffle 1183 is arranged at intervals with the left side plate 1181 and theright side plate 1182 to form aleft gap 1184 and aright gap 1185, theflexible circuit board 7003 is inserted into theleft gap 1184 and theright gap 1185, one side surface of theflexible circuit 7003 abuts against the left side plate 1181 and theright side plate 1182, and the other opposite side surface abuts against thebaffle 1183; the clampinggroove 118 further includes a left connectingplate 1186 and aright connecting plate 1187, the length of thebaffle 1183 is greater than the distance between the left side plate 1181 and theright side plate 1182, and two ends of thebaffle 1183 are connected with the left side plate 1181 and theright side plate 1182 through theleft connecting plate 1186 and theright connecting plate 1187 respectively. Furthermore, the height of thebaffle 1183 is smaller than the heights of the left side plate 1181 and theright side plate 1182, the supportingplate 127 is arranged on thebottom cover 12, and after thebottom cover 12 covers themiddle shell 11, the supportingplate 127 abuts against one side surface of theflexible circuit board 7003, which is away from thekey hole 117, so as to limit theflexible circuit board 7003 to move in a direction away from thekey hole 117, and ensure that the power key 700 is normally used. Preferably, the supportingplate 127 is provided withbarrier strips 1271 at intervals, and the barrier strips 1271 abut against theflexible circuit board 7003; the arrangement of thebarrier 1271 can reduce the contact area between the supportingplate 127 and theflexible circuit board 7003, thereby reducing the friction force between the supportingplate 127 and theflexible circuit board 7003 in the process that thebottom cover 12 covers themiddle case 11, and better protecting theflexible circuit board 7003.

Referring to fig. 16 and 18, the electronic device further includes acard holder 9 and a lockingmember 10, wherein the housing 1 is provided with areceptacle 119, thecard holder 9 is provided with a mountingslot 921 adapted to the SIM card, thecard holder 9 is inserted into thereceptacle 119 to electrically connect the SIM card with themotherboard 2, and the lockingmember 10 is used to lock thecard holder 9 to the housing 1. In the present embodiment, theinsertion hole 119 is provided in themiddle case 11. The SIM card can be stably placed on thecard holder 9 by arranging the mountinggroove 921 matched with the SIM card on thecard holder 9, and the SIM card is prevented from falling off due to shaking of thecard holder 9 in the process of inserting thecard holder 9 into thejack 119; in addition, the fastening of the clampingseat 9 and the housing 1 is realized through the lockingpiece 10, and the clampingseat 9 can be stably fixed on the housing 1.

Referring to fig. 17 and 18, thecard socket 9 includes aplug 91 and a clampingchuck 92, the clampingchuck 92 is connected with the end of theplug 91, the mountinggroove 921 is opened on the clampingchuck 92, the clampingchuck 92 is inserted into the casing 1 from theinsertion hole 119, and theplug 91 is inserted into theinsertion hole 119 and fixed on the casing 1 through the lockingmember 10. Specifically, theplug 91 and thechuck 92 are an integral structure, wherein theplug 91 is made of a plastic material, and thechuck 92 is made of a metal material. During production, thechuck 92 made of metal material can be placed in an injection mold, and the clampingseat 9 is formed by integral injection molding; plugconnector 91 adopts the plastic material, is favorable tocassette 9 and casing 1's cooperation, avoids too much wearing and tearing betweenplug connector 91 and casing 1, and chuck 92 adopts metal material to make, then is favorable to improving the intensity ofcassette 9, avoids exerting oneself improperly and leads to chuck 92 distortion to damage at the in-process of pegging graft withjack 119, andcassette 9 life is longer.

Referring to fig. 17, theplug 91 includes aplug portion 911 and a lockingportion 912, the housing 1 is provided with arecess 110, theinsertion hole 119 penetrates through therecess 110, the lockingportion 912 is locked in therecess 110, and theplug portion 911 is inserted into theinsertion hole 119. Preferably, theplug 91 is T-shaped. After thecard holder 9 is inserted into theinsertion hole 119, theinsertion portion 911 is inserted into theinsertion hole 119, and the clampingportion 912 abuts against the bottom of thegroove 110, so that thecard holder 9 is prevented from being completely sunk into the housing 1. Theinsertion portion 911 has a reservedgap 9112, and part of the end surface of themain board 2 is inserted into thereserved gap 9112.

Referring to fig. 10 and 16,ribs 1100 are protruded from the outer surface of the housing 1, and theribs 1100 surround to form thegroove 110. Specifically, therib 1100 is disposed on an outer side of themiddle shell 11; thegroove 110 is formed by enclosing theribs 1100, so that the wall thickness of themiddle shell 11 can be kept uniform, the defects of shrinkage and the like in the injection molding process of themiddle shell 11 are avoided, and the quality of themiddle shell 11 is ensured.

Referring to fig. 10, 16, and 17, therib 1100 has afirst notch 11001, the clampingportion 912 has asecond notch 9121, thesecond notch 9121 is formed by vertically connecting 3vertical walls 9123 sequentially around thebottom wall 9113, thevertical walls 9123 are perpendicular to thechuck 92, thebottom wall 9113 is parallel to thechuck 92, and thefirst notch 11001 and thesecond notch 9121 enclose to form an accommodating opening. When thecard holder 9 is detached, a finger or an external object can be inserted into the accommodating opening, and the finger or the external object abuts against thebottom wall 9113 of thesecond notch 9121 so as to take thecard holder 9 out of theinsertion hole 119, and the operation is simple and convenient. In another embodiment,vertical wall 9123 can also be oblique to chuck 92.

Referring to fig. 17, in this embodiment, the lockingmember 10 is a screw, thefastening portion 912 has afixing hole 9122, therecess 110 has ascrew hole 1101, and the screw passes through thefixing hole 9122 and is engaged with thescrew hole 1101. When the clampingseat 9 is installed, the clampingseat 9 is firstly inserted into theinsertion hole 119, then a screw is inserted into thefixing hole 9122 and screwed into thescrew hole 1101, and the clampingseat 9 is fixed on the shell 1 and is installed stably; when detaching, the screw is unscrewed from thescrew hole 1101, and then the clampingpart 912 is broken off, so that theclamping base 9 can be taken out from theinsertion hole 119.

Referring to fig. 16 and 17, the electronic device further includes awaterproof ring 20, a fixinggroove 9111 is disposed on the insertingportion 911, and thewaterproof ring 20 is sleeved on the fixinggroove 9111. In this embodiment, the fixinggroove 9111 is disposed along the peripheral side of the pluggingportion 911, thewaterproof ring 20 is sleeved on the peripheral side of the pluggingportion 911 and protrudes out of the peripheral side of the pluggingportion 911, when the pluggingportion 911 is inserted into theinsertion hole 119, thewaterproof ring 20 is tightly attached to the inner wall of theinsertion hole 119, so that water can be prevented from entering the housing 1 from theinsertion hole 119, and the housing 1 has good waterproof performance.

In the above embodiment, thewaterproof ring 20 is made of a silicone material. Silica gel material has certain elasticity, and when graftingportion 911 inserted injack 119,waterproof circle 20 and thejack 119 inner wall extrusion of making by silica gel material and kick-backmake grafting portion 911 can insert injack 119 smoothly, owing to the effect of bounce-back force, can makewaterproof circle 20 closely laminate withjack 119 inner wall moreover, and water-proof effects is better.

Referring to fig. 16, acard slot 30 engaged with thechuck 92 is provided on themain board 2, and thecard slot 30 is electrically connected to themain board 2. After thecard socket 9 is inserted into theinsertion hole 119, theinsertion portion 911 of theplug 91 is inserted into theinsertion hole 119, and thechuck 92 is inserted into thechuck 92 so that the SIM card contacts thechuck 92, and the SIM card is electrically connected to themotherboard 2 through thecard slot 30.

Referring to fig. 7, aretainer plate 128 is further provided on thebottom cover 12, and theretainer plate 128 blocks a portion of theinsertion hole 119 to form a passage for thechuck 92 to pass through. By providing the limitingplate 128, themotherboard 2 can be prevented from being exposed to theinsertion hole 119, and the situation that the electronic components on the motherboard are damaged due to the mutual abutting of thechuck 92 and themotherboard 2 in the process of inserting thechuck 92 can be avoided.

Referring to fig. 19, the electronic device further includes adisplay assembly 90, thedisplay assembly 90 includes adisplay screen 901 and atouch screen 902, the housing 1 further includes anupper cover 13, theupper cover 13 is provided with adisplay window 131 adapted to thedisplay screen 901, thetouch screen 902 and thedisplay screen 901 are sequentially stacked and in themiddle case 11, thetouch screen 902 and thedisplay screen 901 are electrically connected to themotherboard 2, thetouch screen 902 is located above thedisplay screen 901, and theupper cover 13 covers themiddle case 11 to limit thetouch screen 902 and thedisplay screen 901 in themiddle case 11. By arranging thetouch screen 902 and thedisplay screen 901, the electronic equipment can display image information, character information and the like, so that the electronic equipment has more functions and better user experience; thetouch panel 902 can operate the electronic device to cause thedisplay 901 to display content desired by the user.

Referring to fig. 15 and 20, theupper cover 13 is formed with aclamping buckle 132, the top of themiddle shell 11 is formed with abuckle position 130 matched with the clampingbuckle 132, and theupper cover 13 is fixed on themiddle shell 11 through the matching of the clampingbuckle 132 and thebuckle position 130, so that the connection is stable and the assembly is convenient.

Referring to fig. 15 and 20, theupper cover 13 is formed withguide posts 133, and themiddle case 11 is provided withguide holes 140 to be engaged with the guide posts 133. Theupper cover 13 is easily closed to themiddle case 11 by the engagement of the guide posts 133 with the guide holes 140.

Referring to fig. 19, ahorizontal plate 400 for supporting adisplay panel 901 and atouch panel 902 is provided on themiddle case 11, and thetouch panel 902 and thedisplay panel 901 are sequentially stacked on thehorizontal plate 400. Set updiaphragm 400, can avoiddisplay screen 901 andmainboard 2 direct contact, avoiddisplay screen 901 and the electronic component contact on themainboard 2 anddamage display screen 901 or electronic component when casing 1 bumps. Further, referring to fig. 9, a shieldingcase 500 is disposed on themotherboard 2, and theshielding case 500 covers themotherboard 2, so as to prevent external signals from interfering with electronic components on themotherboard 2. In this embodiment, thehorizontal plate 400 is a steel sheet, and can put thehorizontal plate 400 into the injection mold to be integrally formed with themiddle shell 11, so that the machining efficiency is higher, and the assembling processes are reduced.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (7)

1. A GSM antenna assembly is characterized by comprising a mainboard, a shell and an antenna body arranged on one inner side surface of the shell;

the antenna body comprises a straight line part, a bent part and a first pin part, wherein the straight line part comprises a high frequency band and a low frequency band, the high frequency band is connected with the low frequency band through the bent part, and the first pin part is connected with the high frequency band; the low-frequency band and the high-frequency band extend to two inner side walls adjacent to one inner side wall of the shell along the horizontal direction;

the main board is arranged in the shell and is electrically connected with the antenna body through the first pin part;

the high-frequency section comprises a first high-frequency straight-line section, a second high-frequency straight-line section and a first bending section;

the first high-frequency straight line section is connected with the bending part, and the other end of the first high-frequency straight line section is vertically connected with the first bending section;

the second high-frequency straight line section is connected with the first bending section and is parallel to the first high-frequency straight line section;

the first high-frequency straight line section and the second high-frequency straight line section both horizontally extend along one inner side wall of the shell, the first high-frequency straight line section and the second high-frequency straight line section are arranged at intervals, and the first bending section and the bending part are respectively arranged at corners of the inner side wall and two adjacent side faces;

the low-frequency section comprises a first low-frequency straight-line section, a second low-frequency straight-line section and a second bending section;

the first low-frequency straight-line segment, the second bent segment and the second low-frequency straight-line segment are sequentially connected and enclose the high frequency band.

2. The GSM antenna assembly of claim 1, wherein the first pin portion includes a first ground feed point and a signal feed point, the first ground feed point and the signal feed point being spaced apart and respectively connected perpendicularly to the high frequency band.

3. The GSM antenna assembly of claim 2, wherein the antenna body further includes a second pin portion, the second pin portion includes a second ground feed point and an extension, the extension is perpendicularly connected to the second ground feed point, and the second ground feed point and the first ground feed point are respectively disposed on opposite sides of the signal feed point.

4. The GSM antenna assembly of claim 3, wherein a connection spring is disposed on the motherboard, the connection spring being electrically connected to the motherboard and abutting the first lead portion and the second lead portion.

5. The GSM antenna assembly of claim 4, wherein the connection spring comprises a first spring, a second spring, and a third spring, the first spring, the second spring, and the third spring abutting against the first ground feed point, the signal feed point, and the second ground feed point, respectively.

6. The GSM antenna assembly of claim 5, wherein the housing comprises a middle shell and a bottom cover, wherein the middle shell is provided with an opening on two opposite sides, the bottom cover covers the opening to form an inner space for accommodating the mainboard with the middle shell, a supporting surface is arranged on one end of the middle shell around the periphery, and the first pin part and the second pin part extend to the supporting surface.

7. An electronic device, characterized in that it comprises a GSM antenna assembly according to any of claims 1-6.

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