CN109103673B - Socket connector - Google Patents

Abstract

A socket connector includes an insulative housing, a terminal and a ground (264); the insulating body comprises a base part and a forward extending butt tongue plate, the butt tongue plate is provided with two opposite surfaces, and the terminal comprises contact parts arranged on the two opposite surfaces of the butt tongue plate; a step part is arranged on the root part of the two opposite surfaces of the butt tongue plate, which is adjacent to the base part, and the grounding piece is coated on the outer side of the step part; a shielding plate (76) is arranged between two opposite surfaces of the butt tongue plate, a plate-shaped arm (766) transversely extends from the shielding plate (76) at two ends adjacent to the step part, and the plate-shaped arm (766) directly contacts the grounding piece (264). Compared with the prior art, the shielding plate has multiple functions and a good grounding path.

Description

Socket connector

This application is filed on 2015, 03/17, under the name "socket connector and mating plug connector" by the same company as 201510115873.1.

[ technical field ] A method for producing a semiconductor device

The invention relates to a socket connector, wherein a plug connector can be inserted into the socket connector in two directions.

[ background of the invention ]

U.S. published patent application No. 20130095702a1 discloses a two-way plug connector having a plug with opposing upper and lower surfaces with a plurality of conductive terminals disposed thereon. The conductive terminals exposed on the upper and lower surfaces are symmetrically spaced from each other, and the shape of the connector is approximately 180 degrees symmetrical, so that the connector can be inserted into the corresponding socket connector in the forward and reverse directions.

However, a switching circuit is required to be disposed inside the socket connector or the electronic device to detect whether the plug connector is inserted in the forward direction or the reverse direction, so as to start the corresponding subsequent procedure. The more terminals of the connector, the more complicated the switching circuit, and thus, the less favorable the tendency. Meanwhile, the plug connector is an exposed plug, and the possibility of plugging damage still exists in practical use.

The positive neotype plug connector of developing of my department can just anti two directions insert the socket connector, and these two connectors can transmit high frequency signal simultaneously, and in the development process that lasts, my department develops plug connector and socket connector that can prevent electromagnetic signal interference and radio frequency interference, and this plug connector and socket connector part are more simultaneously, and the equipment is complicated to all bring certain degree of difficulty to guaranteeing connector intensity and equipment control itself.

[ summary of the invention ]

The present invention is directed to a receptacle connector having a good ground path.

In order to solve the technical problems, the invention can adopt the following technical scheme: a socket connector includes an insulative housing, a terminal and a ground (264); the insulating body comprises a base part and a forward extending butt tongue plate, the butt tongue plate is provided with two opposite surfaces, and the terminal comprises contact parts arranged on the two opposite surfaces of the butt tongue plate; step parts are arranged on the two opposite surfaces of the butt tongue plate at the root parts adjacent to the base parts, and the grounding piece is coated on the outer sides of the step parts; a shielding plate (76) is arranged between two opposite surfaces of the butt tongue plate, a plate-shaped arm (766) transversely extends from the shielding plate (76) at two ends adjacent to the stepped part, and the plate-shaped arm (766) directly contacts the grounding piece (264).

In order to solve the technical problems, the invention can adopt the following technical scheme: a socket connector comprises an insulating body, a terminal, a shielding plate and a grounding piece; the insulating body comprises a base part and a forward extending butt tongue plate, the butt tongue plate is provided with two opposite surfaces, and the terminal comprises contact parts arranged on the two opposite surfaces of the butt tongue plate; a step part is arranged on the root part of the two opposite surfaces of the butt tongue plate, which is adjacent to the base part, and the grounding piece is coated on the outer side of the step part; the shielding plate is positioned between two opposite surfaces of the butt tongue plate; the terminal comprises a grounding terminal, and the grounding piece is provided with a plurality of elastic sheets which are lapped with the grounding terminal.

Compared with the prior art, the shielding plate has multiple functions and a good grounding path.

[ description of the drawings ]

Fig. 1 is a perspective view of a plug connector according to a first embodiment of the present invention.

Fig. 2 is a partially exploded perspective view of the plug connector of fig. 1.

Fig. 3 is a further exploded perspective view of fig. 2.

Fig. 4 is a further exploded perspective view of fig. 3.

Fig. 5 is a perspective view of the connector of the plug connector of fig. 4 further exploded.

Fig. 6 is an exploded perspective view of fig. 5 from another angle.

Fig. 7 is a cross-sectional view of fig. 2 along the dashed line a-a.

Fig. 8 is a perspective view of a latch of a plug connector according to a second embodiment of the present invention.

Fig. 9 is an exploded perspective view of a plug connector according to a second embodiment of the present invention.

Fig. 10 is a perspective view of fig. 9 further assembled.

Fig. 11 is a perspective view of fig. 10 further assembled.

Fig. 12 is a perspective view of fig. 11 further assembled.

Fig. 13 is a cross-sectional view of a plug connector and a receptacle connector according to a third embodiment of the present invention.

Fig. 14 is a diagram of a pin arrangement of terminals mounted in through holes of a circuit board, the upper diagram showing the pin arrangement of the lower row of terminals of patent application No. 201510032016.5; the lower diagram shows an improved arrangement of the lower row terminals.

Fig. 15 is an enlarged view of a portion of fig. 13, showing a configuration in which the switch terminals are not actuated when a non-mating plug connector is inserted.

Fig. 16 is an enlarged view of a portion of fig. 13 showing the structure for actuating the switch terminals when a mating plug connector is inserted.

Fig. 17 is an exploded perspective view of a receptacle connector according to a fourth embodiment of the present invention.

Fig. 18 is a perspective view of the receptacle connector of fig. 17 with the metal shell removed.

Fig. 19 is a cross-sectional view of the receptacle connector of fig. 17.

Fig. 20 is a partially exploded perspective view of a fifth embodiment of the receptacle connector of the present invention.

Fig. 21 is a further exploded perspective view of fig. 20.

Fig. 22 is a further exploded perspective view of fig. 21.

Fig. 23 is a perspective view of fig. 22 from another angle.

Fig. 24 is a cross-sectional view of the receptacle connector of fig. 20.

Fig. 25 is a schematic view of another embodiment of the shield plate of fig. 22.

The following detailed description will further illustrate the invention in conjunction with the above-described figures.

[ detailed description ] embodiments

The present invention relates to a plug connector and a socket connector, which are disclosed in patent application 201510032016.5 filed on 22/1/2015, the present invention mainly aims at the socket connector and the plug connector shown in fig. 1 to 14 of patent application 201510032016.5. The present invention is not described in detail with respect to the previously described structure or the same structure, and reference is made to the description of patent application 201510032016.5.

Fig. 1 to 7 show aplug connector 110 according to a first embodiment of the present invention, theplug connector 110 includes aninsulating housing 112 and ametal shell 116 covering the outside of the insulating housing, theinsulating housing 112 is a single piece, the front portion of the insulating housing is a bag-shaped shape and is provided with areceiving cavity 114 penetrating forward, and the receiving cavity is set to be a 180-degree symmetrical structure. The upper and lower rows ofterminals 118 are disposed interminal slots 1121 formed in the insulating body, the terminal slots are located at two sides of the receiving cavity, and thecorresponding contact portions 120 extend into thereceiving cavity 114. A pair of elastic upper andlower shielding plates 122 are enclosed in themetal shell 116, eachshielding plate 122 is clamped between themetal shell 116 and theinsulating body 112, eachshielding plate 122 includes a frontelastic region 124, a rearoverlapping region 126 and a pair ofside fixing regions 128, the front elastic region extends to the inner accommodating cavity and is located in front of thecontact portion 120, therear overlapping region 126 contacts themetal shell 116, and theside fixing regions 128 are fixed on two sides of the insulating body. A pair ofinsulating sheets 130 are disposed on both outer sides of theinsulating body 112, and the insulating sheets are disposed on the outer sides of the terminal contact portions for isolating thecontact portions 120 from themetal shell 116.

The upper and lower rows ofterminals 118 are integrally fixed in theinsulator 132 by injection molding, respectively, to formterminal modules 134, i.e., each terminal module includes theinsulator 132 and theterminals 118 fixed thereto. After the terminal module is mounted to the rear of the insulating body, eachinsulator 132 is located at the rear of theinsulating body 112, and theterminal contact portion 120 is received in theterminal groove 1121. The two terminal modules are provided at opposite inner surfaces thereof with mountingposts 131 and mountingholes 133 which are fitted to each other so as to mount the twoterminal modules 134 together, and the opposite inner surfaces of each terminal module are provided with U-shapedrecesses 135 for receiving U-shapedmetal locking members 139, i.e., the locking members are held between the two terminal modules. The housing body is provided with a pair ofside slots 111 for receiving two opposinglatch arms 1391 oflatch member 139 with thefront latch heads 147 thereof extending into thereceiving cavities 114. The pair ofinstallation posts 137 are installed on the front end surface of theinsulator 132 and are inserted into the pair ofinstallation holes 113 installed on the rear end surface of theinsulator body 112, thereby installing theinsulator 132 and theinsulator body 112 together. The twoterminal modules 134 are assembled together by the engagement of themounting posts 131 and themounting holes 133, and then inserted into theinsulating body 112 from the rear to the front, and theterminal modules 134 are assembled with theinsulating body 112 by the engagement of themounting posts 137 and themounting holes 113. Eachterminal 118 further includes apin 119 that is mounted to a front area ofdaughter card 138, which is disposed behindinsulator 132. Thecontact portion 120 and the pin of eachterminal module 134 extend out of theinsulator 132, thecontact portion 120 is received in theterminal slot 1121 of the insulator, and the pin extends backward out of the rear end surface of theinsulator 132. Acable 141 is disposed behind thedaughter card 138, the cable includes a plurality ofcore wires 142 soldered to the rear area of thedaughter card 138, and a pair ofwire organizers 143 are disposed between the daughter card and the core wires for positioning the core wires. Of course, a daughter card may not be used, and the cable is directly connected to thepin 119 through thecable positioning member 172, and the cable and the pin are respectively arranged in thethrough hole 170 of the positioning member (as shown in fig. 7), so as to achieve good welding between the two.

In the present embodiment, themetal shell 116 covers the outside of theinsulating body 112 and the twoterminal modules 134, and thedaughter card 138 and the rear portions of the twoinsulators 132 are covered in a metal shell, which includes afirst half shell 144 and asecond half shell 146, the two half shells are assembled together in a vertical direction, which is a vertical front-back direction and a horizontal direction. In the vertical direction, each half-shell 144/146 is mechanically and electrically connected tometal shell 116. The rear edge of the metal shell is provided with four independent upper and lowerrear edge pieces 1161, left and rightrear edge pieces 1162, the front end of the metal shell is provided with upper and lowerconcave portions 1441, 1461, the upper and lowerrear edge pieces 1161 are accommodated in the upper and lowerconcave portions 1441, 1461, and the left and rightrear edge pieces 1162 are welded to the side walls of the metal shell, in this embodiment, the front end of one side wall. The metal shell may be formed in a rectangular sealed tubular structure by bending a one-piece metal plate, or in a seamless rectangular tubular structure. A pair ofinsulating plates 158, which are internal molds, are provided between themetal shell 144/146 and thedaughter card 138 to act as protective devices. Finally, an insulatingcover 149 is injection molded over the rear end of themetal shell 116, themetal shells 144, 146 and the front end of thecable 141 to form thecomplete plug connector 110, which may also be referred to as a cable connector. In this embodiment, anLED light 160 may be mounted on thedaughter card 138, with a light pipe (not shown) directing the light out to the outside, thereby allowing the user to understand the operation of the connector. An annular magnetic element (not shown) may be disposed on the front surface of the insulating cover of the plug connector to generate magnetism between the metal shell of the plug connector and the metal shell of the receptacle connector, so as to achieve magnetic attraction between the two and form a magnetic connector

Fig. 8-12 show a plug connector 400 of a second embodiment, which includes ahousing 412, two rows ofterminals 418, an insulatingpositioning element 434, and adaughter card 438, wherein side slots 413 are formed on two sides of thehousing 412. The lockingmember 439 is further provided with two mountinglegs 443 on the basis of the U-shape to form an H-shape. The lockingmember 439 comprises abeam 440, a pair of lockingarms 441 extending forward from two ends of the beam, and a pair of mountingfeet 443 extending backward from two ends of the beam, wherein the lockingarms 441 are fixed in the side grooves 413 and protrude into the receiving cavity of the housing, the mountingfeet 443 pass through the guidingslots 435 of thepositioning member 434 to reach thedaughter card 438, each lockingarm 441 has a lockinghead 442 at the front end thereof, and the lockinghead 442 is used for locking with the shielding plate of the mating connector, thereby achieving the grounding and locking functions. The mountingfeet 443 are soldered to the daughter card to provide grounding.

The socket connector of the 201510032016.5 patent application includes an insulative housing, a terminal, a grounding member and a metal shell; the insulating body comprises a base part and a forward extending butt tongue plate, the butt tongue plate is provided with two opposite surfaces, the terminal comprises contact parts arranged on the two opposite surfaces of the butt tongue plate, and the metal shell surrounds the butt tongue plate to form a butt cavity between the contact parts; a step part is arranged on the root part of the two opposite surfaces of the butt tongue plate, which is adjacent to the base part, and the grounding piece is coated on the outer side of the step part; a shielding plate is arranged in the butt tongue plate and isolates the terminals on two opposite surfaces of the butt tongue plate. The socket connector described below is an improvement of the 201510032016.5 patent application, and the same points are not described. Fig. 13 shows a cross-sectional view of the mating of the receptacle connector and the plug connector, wherein the lockinghead 40 is locked with the shieldingplate 76, and it should be noted that the third embodiment is an improvement based on the 201510032016.5 patent application, and the improvement points are as follows.

First, as shown in fig. 13, thelatch 39 of the present embodiment laterally contacts themetal housing 16 to establish a ground path, and the shieldingplate 76 can laterally extend to contact the annular ground member (as shown in the position labeled B) or the metal housing (as shown in the position labeled a) to establish a ground path, instead of solely through thepin 79. Alternatively, theshield 76 may be provided with a pair of opposing side arms, adjacent the rear end, each contacting themetal shell 16.

Fig. 14 shows two pin arrangements of through-holes, the upper part of fig. 14 shows the pin arrangement of the lower row of terminals of the 201510032016.5 patent application, and the lower part shows the improved lower row of terminals. In the' 201510032016.5 patent application, in order to increase the distance between adjacent pins of the same terminal and ensure that the pins of the same differential pair are in the same row while ensuring that the entire row of terminal pins occupies space on the circuit board; the upper row of terminals are surface welding pins in the same row, the lower row of terminals are through-hole pins arranged in two rows, the pins of two pairs of differential signal terminals are in the same row, and the pins of the D + and D-terminals are in the other row. In this embodiment, in the pins of the lower row of terminals, the pins of the two differential pairs of signal terminals are respectively located in different rows, the pins of the D + and D-terminals are also located in different rows, the pins of the upper row of terminals in this embodiment may also be through-hole pins arranged in two rows, may be arranged in the same manner as the lower row of terminals, and may also be arranged in mirror symmetry, so that the ground terminals in the outermost sides of the upper and lower rows of terminals may be arranged more closely together, so, or may share the same through-hole on the circuit board, or two ground terminals are combined into one body, or a common ground rod is mechanically and electrically connected. In order to enhance the grounding effect, the legs of the ground terminals may be laterally widened. It should be noted that, in order to ensure the positioning of the pins of the lower row of terminals, the lower body is provided with an inclined structure surrounding the pins. The shield plate may be provided with a pair of elastic arms to which the ground terminals are connected.

The improvement point is three: fig. 15-16 are enlarged partial views of fig. 13, thereceptacle connector 150 being provided with a pair ofswitch terminals 181, 182, the pair ofswitch terminals 181, 182 being separated from each other when no corresponding plug connector is inserted, i.e., in an initial state, or other types ofplug connectors 152 havingrecesses 154 that can receive the switch terminals so that the pair of switch terminals are not touched when mated, as shown in fig. 15; as shown in fig. 16, when the corresponding plug connector 156 is inserted, it actuates the switch terminal.

Fig. 17-19 show areceptacle connector 200 of the fourth embodiment, in which themetal grounding member 264 of the present embodiment further has a fixingplate 268 extending backward from theannular portion 266, the fixing plate is fixed in theslit 270 of theupper body 272, theannular portion 266 has a plurality ofresilient pieces 274, and the plurality ofresilient pieces 274 are formed by tearing from the front edge of the annular portion for mechanically and electrically connecting thecorresponding grounding terminals 276.

Fig. 20 to 25 show areceptacle connector 300 of the fifth embodiment, the main difference being that the shieldingplate 376 further includes anauxiliary plate 378 stacked therewith. The shieldingplate 376 is integrally formed with twoprotrusions 380 protruding forward, and thecorresponding ground terminals 382 are exposed on the lower surface of themating tongue 384, and the ground terminals are relatively short and the front ends thereof are mechanically and electrically connected to theprotrusions 380, so that theprotrusions 380 serve as contact portions of the ground terminals. Theground terminal 382 may be connected to another portion of theshielding plate 376. Similarly, theauxiliary plate 378 is integrally formed with another pair of projectingportions 386 which extend upward to be exposed at the upper surface of themating tongue plate 384 and come into contact with the ground terminals of the upper row of terminals, thereby becoming the ground terminal contact portions in the upper row of terminals. Theshield plate 376 and theauxiliary plate 378 may be a single piece, such as ashield plate 388, which may form upper andlower projections 389, 390, as shown in fig. 25.

The above embodiments are preferred embodiments of the present invention. Rather than all embodiments, and all equivalent variations to those skilled in the art can be made by reading the specification without departing from the scope of the invention.

Claims (6)

1. A socket connector includes an insulative housing, a terminal and a ground (264); the insulating body comprises a base part and a forward extending butt tongue plate, the butt tongue plate is provided with two opposite surfaces, and the terminal comprises contact parts arranged on the two opposite surfaces of the butt tongue plate; the method is characterized in that: step parts are arranged on the two opposite surfaces of the butt tongue plate at the root parts adjacent to the base parts, and the grounding piece is coated on the outer sides of the step parts; a shielding plate (76) is arranged between two opposite surfaces of the butt tongue plate, a plate-shaped arm (766) transversely extends from the shielding plate (76) at two ends adjacent to the stepped part, and the plate-shaped arm (766) directly contacts the grounding piece (264).

2. The receptacle connector of claim 1, wherein: the grounding piece is an annular grounding piece, and the plate-shaped arms (766) transversely contact the inner sides of two ends of the annular grounding piece.

3. The receptacle connector of claim 1, wherein: the socket connector comprises a metal shell, the metal shell surrounds the butt tongue plate to form a butt cavity between the metal shell and the butt tongue plate; the shield is provided with a pair of opposing side arms (767) adjacent the rear end, each contacting the metal shell.

4. The receptacle connector of claim 1, wherein: the terminal of the socket connector comprises a grounding terminal, the shielding plate extends to two opposite surfaces of the butt tongue plate to form a protruding part integrally, and the protruding part is lapped with the grounding terminal to form a contact part of the grounding terminal.

5. The receptacle connector of claim 1, wherein: the terminal of the socket connector comprises a grounding terminal, an auxiliary plate is further arranged in the butt tongue plate, protruding parts respectively extend out of the shielding plate and the auxiliary plate integrally, and the protruding parts are in lap joint with the grounding terminal to form a contact part of the grounding terminal.

6. The receptacle connector of claim 1, wherein: the terminal comprises a grounding terminal, and the grounding piece is provided with a plurality of elastic sheets which are lapped with the grounding terminal.

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