CN215268563U - Set top box capable of being simply disassembled and assembled - Google Patents

Abstract

The utility model provides a set top box of simple and easy dismouting, include: the inner side of the upper cover is provided with a plurality of screw hole columns, and a group of opposite two side surfaces of the inner side of the upper cover are respectively provided with a guide groove; the bottom surface of the lower cover is provided with a guide rib matched with the guide groove, and the guide rib penetrates through the guide groove and is abutted after relatively sliding with the guide groove; the lower cover is also provided with a first through hole and a first supporting and limiting mechanism which correspond to the screw hole column in position; and a plurality of screws penetrate through the first through holes and the screw hole columns and are fastened. The guide groove can play a role in enlarging the notch, and the guide rib can be conveniently, quickly and accurately inserted into the guide groove; the perfect lock of upper and lower lid is realized to guide way and direction muscle butt, and the control upper cover that like this can be more accurate is put with the lock of lower lid, realizes that the counterpoint of upper cover and lower lid is accurate, keeps the aesthetic property of STB.

Description

Set top box capable of being simply disassembled and assembled

Technical Field

The utility model relates to a STB technical field, in particular to STB that can simply dismouting.

Background

The shell of the set top box on the market is of an integrated structure, so that the set top box is difficult to disassemble when damaged, and the PCB inside the set top box is difficult to maintain when taken out. Still some other set-top boxes have upper covers and lower covers, generally fix inside PCB inboard at the lower cover, then fix upper cover and lower cover, so not only the installation step is more loaded down with trivial details, directly fix upper cover and lower cover moreover, can have the problem that upper cover and lower cover are inaccurate to the position, influence the pleasing to the eye of set-top box.

SUMMERY OF THE UTILITY MODEL

The utility model provides a set top box of dismouting can simply solve above-mentioned problem effectively.

The utility model discloses a realize like this:

a set-top box that is easily removable, comprising:

the inner side of the upper cover is provided with a plurality of screw hole columns, and a group of opposite two side surfaces of the inner side of the upper cover are respectively provided with a guide groove; the bottom surface of the lower cover is provided with a guide rib matched with the guide groove, and the guide rib penetrates through the guide groove and is abutted after relatively sliding with the guide groove; the lower cover is also provided with a first through hole and a first supporting and limiting mechanism which correspond to the screw hole column in position; and a plurality of screws penetrate through the first through holes and the screw hole columns and are fastened.

As a further improvement, the guide groove comprises a groove bottom and a groove opening, and the guide groove is fixed on the inner side of the upper cover along the direction of the groove opening; the guide way with the one end of the inboard junction of upper cover sets up a limiting plate, and the other end sets up a deflector, the limiting plate with the top surface parallel arrangement of upper cover, the deflector along the lower cover down the direction of upper cover is the slope setting inwards.

As a further improvement, the guiding rib is arranged on the lower cover in a barb shape and comprises a rib vertically arranged on the lower cover and a limiting hook connected with the rib.

As a further improvement, the width of the rib at the end close to the lower cover is larger than that at the end far away from the lower cover.

As a further improvement, the part of the limiting hook close to the lower cover is chamfered.

As a further improvement, the first supporting and limiting mechanism comprises at least 4 supporting frames, each supporting frame is provided with a notch, each notch faces the inside of the set top box, the distance between each notch and the lower cover is equal, and all the notches form a supporting and limiting structure.

As a further improvement, the lower cover is further provided with a second supporting and limiting mechanism which comprises a supporting table and a limiting column, the supporting table is arranged above the first through hole, a third through hole is further arranged on the supporting table, the diameter of the third through hole is equal to that of the first through hole and is communicated with the first through hole, and the height of the supporting table and the distance of the notch relative to the lower cover are equal.

As a further improvement, the number of the limit posts is at least 2.

As a further improvement, the set-top box further comprises a key connecting piece, one end of the key connecting piece is clamped on the inner side of the upper cover, the other end of the key connecting piece abuts against a key of the set-top box, and the key is arranged on a circuit board inside the set-top box.

As a further improvement, the key connecting piece comprises an outer frame, a key force guiding part arranged in the middle of the outer frame and a key sleeve; the inner side of the upper cover is provided with a clamping groove and a buckling mechanism matched with the outer frame, and the outer frame is arranged in the clamping groove and fixed at the buckling mechanism.

The utility model has the advantages that:

the utility model provides a pair of STB that can simply dismouting:

the upper cover and the lower cover are respectively provided with a guide groove and a guide rib, and a guide plate arranged on the guide groove can play a role of enlarging a groove opening, so that the guide rib can be conveniently, quickly and accurately inserted into the guide groove; the limiting plate on the guide groove is abutted to the limiting hook on the guide rib, so that perfect buckling of the upper cover and the lower cover is realized, the buckling position of the upper cover and the lower cover can be controlled more accurately, the alignment of the upper cover and the lower cover is accurate, and the attractiveness of the set top box is kept. After the upper cover and the lower cover are buckled up and down, the lower cover is pushed along the situation, and the complete buckling is realized like the operation of a drawer. The upper cover and the lower cover are further fixed through screws after the upper cover and the lower cover are buckled, and the structure enables the installation and the disassembly to be simple and rapid.

The lower cover is provided with a support frame which can support and limit the PCB, and is further provided with a support table and a limit column, the support table can support the PCB, and the PCB can be further protected due to the increase of the contact area with the PCB; the spacing post can restrict the PCB board and can not remove and rock after placing the PCB board. And finally, the screws penetrate through the lower cover and the PCB and then are fixed on screw hole columns on the inner side of the upper cover, the screws are integrally fixed, and the screws can be detached only by one-time screw detaching action during detaching. Simple structure to the installation effect is also better.

Electronic components of the set top box are fixed on the PCB, and devices needing to be displayed on the upper cover and the lower cover of the set top box are provided, and through holes are formed in positions corresponding to the components on the upper cover and the lower cover. The economic cost and the time cost of the maintenance of the key are reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is an exploded view of a set-top box according to an embodiment of the present invention.

Fig. 2 is a partial exploded view of a set-top box according to an embodiment of the present invention.

Fig. 3 is a schematic view of the inner side of the upper cover according to the embodiment of the present invention.

Fig. 4 is a schematic view of a lower cover according to an embodiment of the present invention.

Fig. 5 is an installation diagram of a guide groove according to an embodiment of the present invention.

Fig. 6 is a sectional view of the connection between the guide rib and the guide groove provided in the embodiment of the present invention.

Fig. 7 is a partial enlarged view a of the catching mechanism according to the embodiment of the present invention.

Fig. 8 is a schematic view of a key connector according to an embodiment of the present invention.

The names of the parts corresponding to the marks in the drawings are as follows:

1-upper cover, 11-screw hole column, 12-guide groove, 121-groove bottom, 122-notch, 123-limit plate, 124-guide plate, 13-clamping groove, 14-buckling mechanism, 2-lower cover, 21-guide rib, 211-rib, 212-limit hook, 22-support frame, 221-notch, 23-support table, 231-third through hole, 24-limit column, 3-PCB board, 31-second through hole, 32-fourth through hole, 33-key, 4-screw, 5-key connecting piece, 51-outer frame, 52-key force guide part, 53-key sleeve and A-local enlarged view.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-4, an easily removable set-top box includes the following:

the inner side of the upper cover 1 is provided with at least two screw hole columns 11 (fig. 3, the upper cover is obliquely seen from bottom to top), and a group of opposite two side surfaces on the inner side of the upper cover 1 are respectively provided with aguide groove 12.

Thelower cover 2 is shown in fig. 4, aguide rib 21 matched with theguide groove 12 is arranged on the bottom surface of thelower cover 2, theguide rib 21 penetrates through theguide groove 12 and is abutted to theguide groove 12 after sliding relatively, namely, theguide rib 21 is aligned and inserted into theguide groove 12 to complete the up-and-down buckling of the upper cover 1 and thelower cover 2, and then thelower cover 2 is pushed to complete the complete buckling of the lower cover; thelower cover 2 is further provided with a first through hole and a first supporting and limiting mechanism corresponding to the position of thescrew hole column 11, and the first supporting and limiting mechanism is used for installing a circuit board inside the set top box.

The set top box is further internally provided with a PCB (printed circuit board) 3, as shown in fig. 1-2, thePCB 3 is arranged on the first supporting and limiting mechanism, and a second throughhole 31 corresponding to the position of thescrew hole column 11 is arranged on the PCB.

The set top box further comprises a plurality ofscrews 4, as shown in fig. 1-2, thescrews 4 sequentially penetrate through the first through holes, the second throughholes 31 and thescrew hole columns 11 and then are fastened, namely, the upper cover and the lower cover are completely buckled through theguide ribs 21 and theguide grooves 12, and then the upper cover and the lower cover are further fixed through the screws.

Specifically, as shown in fig. 5 to 6, theguide groove 12 includes agroove bottom 121 and anotch 122, and theguide groove 12 is fixed on the inner side of the upper cover 1 along the direction of thenotch 122; theguide way 12 with the one end of the inboard junction of upper cover 1 sets up alimiting plate 123, and the other end sets up adeflector 124,limiting plate 123 with the top surface parallel arrangement of upper cover 1,deflector 124 alonglower cover 2 down the direction of upper cover 1 lock upwards sets up to slope inwards. When the device is installed, theguide rib 21 is inserted in alignment with thenotch 122 of theguide groove 12 along the direction from thelower cover 2 to the upper cover 1, and theguide plate 124 is arranged, so that theguide rib 21 can be inserted along theguide plate 124, theguide rib 21 and theguide groove 12 do not need to be aligned in a long time, the operation is convenient, and the upper cover and the lower cover can be buckled up and down; and then thelower cover 2 is pushed along the same direction until thelimit plate 123 abuts against theguide rib 21, so that the complete buckling of the upper cover and the lower cover is realized.

Referring to fig. 4, theguide rib 21 is disposed on thelower cover 2 in a barb shape, and includes arib 211 vertically disposed on thelower cover 2 and alimit hook 212 connected to therib 211. Referring to fig. 6, when thestopper hook 212 is engaged with thestopper plate 123, the stopper hook is engaged with thestopper plate 123. The width of therib 211 at the end close to thelower cover 2 is greater than the width at the end far from thelower cover 2, so that theguide rib 21 can bear enough force. Therib 211 is arranged in a hollow manner at one end close to thelower cover 2, so that the strength of theguide rib 21 can be ensured, and the material can be saved. Furthermore, the part of thelimiting hook 212 close to thelower cover 2 is chamfered, so that the guidingrib 21 cannot scratch the upper cover 1 in the process of being inserted into theguiding groove 12, and the appearance of the protective shell is attractive.

Referring to fig. 4, the first supporting and limiting mechanism includes at least 4 supportingframes 22, each supportingframe 22 is provided with anotch 221, eachnotch 221 is disposed toward the inside of the set-top box, specifically, toward thePCB 3, the distance between eachnotch 221 and thelower cover 2 is equal, and all thenotches 221 form a supporting and limiting structure for supporting and limiting thePCB 3, so that thePCB 3 can be placed thereon and cannot move.

Further, as shown in fig. 4 and fig. 1, a second supporting and limiting mechanism is further arranged on thelower cover 2, and includes a supportingplatform 23 and alimiting post 24, the supportingplatform 23 is arranged above the first through hole, a third throughhole 231 is further arranged on the supportingplatform 23, the diameter of the third through hole is equal to that of the first through hole and is communicated with the first through hole, and the height of the supportingplatform 23 is equal to the distance between thenotch 221 and thelower cover 2. The support table 23 is arranged, so that thePCB 3 is further supported and stably installed, the contact area between the support table and thePCB 3 is increased, and the protection of thePCB 3 is facilitated. The limitingcolumns 24 are arranged, so that when thePCB 3 is mounted, the PCB can be limited and not rotated, and the second throughhole 31 on thePCB 3 can be accurately aligned with the third throughhole 231. Specifically, the number of the limitingcolumns 24 is at least 2, fourth throughholes 32 matched with the limitingcolumns 24 are further formed in thePCB 3, and the limitingcolumns 24 penetrate through the fourth throughholes 32 to limit thePCB 3.

Referring to fig. 1-2 and 6-8, the set-top box further includes akey connector 5, one end of thekey connector 5 is connected to the inner side of the upper cover 1 in a clamping manner, the other end of thekey connector 5 abuts against a key 33 of the set-top box, and the key 33 is disposed on a circuit board inside the set-top box, that is, on thePCB board 3.

Specifically, referring to fig. 8, thekey connector 5 includes anouter frame 51, a keyforce guiding portion 52 disposed in the middle of theouter frame 51, and akey sleeve 53; referring to fig. 3 and 7, acard slot 13 and a position-lockingmechanism 14 matched with theouter frame 51 are arranged on the inner side of the upper cover 1, and theouter frame 51 is arranged in thecard slot 13 and fixed at the position-lockingmechanism 14. Referring to the position-lockingmechanism 14 shown in fig. 7, theouter frame 51 is clipped into theclipping slot 13 and further fixed by the position-lockingmechanism 14, then thekey guiding portion 52 abuts against the key 33, thekey sleeve 53 extends out from the corresponding hole position of the upper cover 1, and when in use, thekey sleeve 53 is pressed, so that the key 33 can be pressed. For the set-top box, the keys are used at a high frequency, the keys can be protected by one key connecting piece to reduce damage, and once the key connecting piece is damaged, the keys can be replaced more conveniently by one key. The economic cost and the time cost of the maintenance of the key are reduced.

It should be noted that, the electronic components of the set-top box are all fixed on thePCB 3, for example, some devices such as power sockets, signal sockets, display lamps are all welded on thePCB 3, and through holes or outlets of corresponding components are provided at positions corresponding to the upper and lower covers, when the set-top box is installed, the components and the outlets are well corresponded, then the PCB is installed, and after the upper and lower covers are well fastened, the locking screws are fixed. The set-top box is also provided with a display screen, an LED lamp fixed on thePCB 3 is arranged at the back of the display screen, and the display lens is fixed in the groove position of the upper cover corresponding to the lens through back glue. The bottom of thelower cover 2 of the set-top box is also provided with foot pad grooves, and after all the components are installed, 4 foot pads are attached to the corresponding foot pad grooves.

The utility model discloses an installation method is:

placing thePCB 3 on thelower cover 2; then theguide rib 21 on thelower cover 2 is aligned with theguide groove 12 on the upper cover 1 and inserted, and the upper cover and the lower cover are buckled up and down; then, the upper cover 1 is pushed backwards along the same direction to complete the complete buckling of the upper cover and the lower cover; then, sequentially penetrating 2 screws through thelower cover 2, thePCB 3 and thescrew hole column 11 on the inner side of the upper cover 1 and locking; 4 foot pads are installed.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A set-top box that can simply dismouting characterized in that includes:

the inner side of the upper cover (1) is provided with a plurality of screw hole columns (11), and a group of opposite two side surfaces of the inner side of the upper cover (1) are respectively provided with a guide groove (12);

the bottom surface of the lower cover (2) is provided with a guide rib (21) matched with the guide groove (12), and the guide rib (21) penetrates through the guide groove (12) and is abutted to the guide groove (12) after relatively sliding; the lower cover (2) is also provided with a first through hole and a first supporting and limiting mechanism which correspond to the screw hole column (11);

and a plurality of screws (4) penetrate through the first through holes and the screw hole columns (11) and then are fastened.

2. A set-top box according to claim 1, characterised in that said guide slot (12) comprises a slot base (121), a slot opening (122), said guide slot (12) being fixed inside said upper cover (1) in the direction of said slot opening (122); guide way (12) with the one end of the inboard junction of upper cover (1) sets up a limiting plate (123), and the other end sets up a deflector (124), limiting plate (123) with the top surface parallel arrangement of upper cover (1), deflector (124) along lower cover (2) are toward the direction of upper cover (1) slope setting inwards.

3. A set-top box according to claim 1, characterised in that said guiding ribs (21) are arranged on said lower cover (2) in the shape of an inverted hook, which comprises ribs (211) vertically arranged on said lower cover (2) and a limit hook (212) connected to said ribs (211).

4. A set-top box according to claim 3, characterised in that the ribs (211) have a greater width at the end close to the lower cover (2) than at the end remote from the lower cover (2).

5. A set-top box with easy disassembly and assembly according to claim 3, wherein the limiting hook (212) is chamfered at a part close to the lower cover (2).

6. The set top box capable of being easily disassembled and assembled according to claim 1, wherein the first supporting and limiting mechanism comprises at least 4 supporting frames (22), each supporting frame (22) is provided with a notch (221), each notch (221) faces to the inside of the set top box, the distance between each notch (221) and the lower cover (2) is equal, and all notches (221) form a supporting and limiting structure.

7. The set top box capable of being easily disassembled and assembled according to claim 6, wherein a second supporting and limiting mechanism is further arranged on the lower cover (2) and comprises a supporting platform (23) and a limiting column (24), the supporting platform (23) is arranged above the first through hole, a third through hole (231) which is equal to the first through hole in diameter and is communicated with the first through hole is further arranged on the supporting platform (23), and the height of the supporting platform (23) is equal to the distance between the notch (221) and the lower cover (2).

8. A set-top box according to claim 7, characterised in that the number of the restraining posts (24) is at least 2.

9. The set top box capable of being easily disassembled and assembled according to claim 1, further comprising a key connecting piece (5), wherein one end of the key connecting piece (5) is clamped inside the upper cover (1), the other end of the key connecting piece (5) is abutted against a key (33) of the set top box, and the key (33) is arranged on a circuit board inside the set top box.

10. The set-top box of claim 9, wherein the key connector (5) comprises an outer frame (51), a key force guide part (52) arranged in the middle of the outer frame (51), and a key sleeve (53); a clamping groove (13) and a buckling mechanism (14) matched with the outer frame (51) are arranged on the inner side of the upper cover (1), and the outer frame (51) is arranged in the clamping groove (13) and fixed at the buckling mechanism (14).

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