CN216852839U - PCB board installation fixed knot constructs - Google Patents

Abstract

The utility model relates to a PCB board installation fixed knot constructs, when needing to install the PCB board, place the PCB board on the mounting groove of first installation piece, second installation piece, third installation piece, then rotate the spacing lid articulated mutually with third installation piece top to the top of first installation piece, second installation piece, third installation piece thereby cooperate spacing PCB board with the mounting groove, at this moment, spacing montant can dismantle with the buckle seat through dismantling the buckle and be connected; when the PCB needs to be detached, the limiting vertical rod can be separated from the buckle seat, and then the limiting cover is taken up and taken out of the PCB; the utility model discloses simple and practical need not use the screw for the efficiency of installation and dismantlement PCB board promotes by a wide margin.

Description

A PCB board mounting and fixing structure

technical field

The utility model relates to the technical field of circuit board installation, in particular to a PCB board installation and fixing structure.

Background technique

The PCB board of the existing electronic equipment is usually fixed and installed inside the casing of the electronic equipment by screws. The screw-fixed method has high connection reliability and high positioning accuracy; When there is a problem and the circuit board needs to be repaired or replaced, the disassembly of the screws is very troublesome, and it often takes a lot of time, resulting in low maintenance or replacement efficiency of the circuit board; and it is easy to lose screws during disassembly, and once the screws are lost The board cannot be reinstalled.

Utility model content

The technical problem to be solved by the present invention is to provide a PCB board mounting and fixing structure in view of the above-mentioned defects of the prior art.

The technical scheme adopted by the utility model to solve its technical problems is:

A PCB board mounting and fixing structure is constructed, including a housing of an electronic device, and a plurality of first mounting blocks, second mounting blocks and third mounting blocks are arranged in the housing, and the first mounting block and the second mounting block are arranged in the housing. The installation blocks are respectively arranged on the left and right sides of the PCB board, the third installation block is arranged at the front end of the PCB board, the first installation block, the second installation block and the third installation block are The outer surfaces are all provided with installation grooves, and the bottoms of the installation grooves form steps with the top surfaces of the first installation block, the second installation block, and the third installation block. The thickness of the PCB board is adapted, and the first mounting block, the second mounting block, and the third mounting block are provided with the mounting groove on one side facing the PCB board; the third mounting block The top of the installation block is hinged with a limit cover that cooperates with the installation groove to limit the position of the PCB board. The top of the mounting block is hinged, the tail end of the limit cover is provided with a limit vertical rod for limiting the tail end of the PCB board, the bottom of the limit vertical rod is provided with a detachable buckle, the The bottom is provided with a buckle seat adapted to the detachable buckle; the length of the limit cover is greater than the length of the PCB board.

Preferably, the groove bottom of the installation groove is provided with a first elastic pad.

Preferably, the first elastic cushion member includes a first cushion block and a first spring, and the head end and the tail end of the first spring are respectively connected with the bottom of the first cushion block and the groove bottom of the installation groove. connect.

Preferably, the height of the first mounting block, the second mounting block and the third mounting block is greater than the thickness of the PCB board.

Preferably, an elastic support column for supporting the PCB board is provided below the center of the PCB board.

Preferably, the top of the elastic support column is provided with a second elastic pad.

Preferably, the second elastic cushion member includes a second cushion block and a second spring, and the head end and the tail end of the second spring are respectively connected with the bottom of the second cushion block and the top of the elastic support column. connect.

Preferably, the height of the elastic support column is equal to the height from the bottom of the first mounting block, the second mounting block, and the third mounting block to the bottom of the mounting groove.

Preferably, the first installation block, the second installation block, the third installation block, the limit cover, the limit vertical rod, the first spacer block, and the second spacer block All are made of bakelite.

The beneficial effect of the utility model is: when the PCB board needs to be installed, the PCB board is placed on the installation grooves of the first installation block, the second installation block and the third installation block, and then hinged with the top of the third installation block The limit cover is rotated to the top of the first installation block, the second installation block, and the third installation block to cooperate with the installation groove to limit the PCB board. Disassembly and connection; when the PCB board needs to be removed, the limit vertical rod can be separated from the buckle seat, and then the limit cover is lifted and the PCB board is taken out; the utility model is simple and practical, and does not need to use screws, so that the installation And the efficiency of disassembling the PCB board is greatly improved.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described below with reference to the accompanying drawings and embodiments. The accompanying drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort:

FIG. 1 is a top view of a PCB board mounting and fixing structure according to a preferred embodiment of the present invention.

2 is a right side view of a PCB board mounting and fixing structure according to a preferred embodiment of the present invention.

3 is a rear view of a PCB board mounting and fixing structure according to a preferred embodiment of the present invention.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present utility model clearer, the following will be a clear and complete description of the technical solutions in the embodiments of the present utility model. Obviously, the described embodiments are part of the implementation of the present utility model. examples, but not all examples. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

A PCB board mounting and fixing structure according to a preferred embodiment of the present invention is shown in FIGS. 1-3 , including a housing 8 of an electronic device, and a plurality of first mounting blocks 6 and second mounting blocks are arranged in the housing 8 4 and the third mounting block 1, the first mounting block 6 and the second mounting block 4 are respectively arranged on the left and right sides of the PCB board 5, the third mounting block 1 is arranged at the front end of the PCB board 5, the first mounting block 6, the third mounting block 1 The outer surfaces of the second mounting block 4 and the third mounting block 1 are provided with mounting grooves 15 , and the bottoms of the mounting grooves 15 form steps with the tops of the first mounting block 6 , the second mounting block 4 and the third mounting block 1 . The depth of the mounting groove 15 is adapted to the thickness of the PCB board 5, and the first mounting block 6, the second mounting block 4, and the third mounting block 1 are provided with the mounting groove 15 on the side facing the PCB board 5; the third mounting block The top of 1 is hinged with a limit cover 7 that cooperates with the mounting groove 15 to limit the position of the PCB board 5 . Hinged, the tail end of the limit cover 7 is provided with a limit vertical rod 9 for limiting the tail end of the PCB board 5, the bottom of the limit vertical rod 9 is provided with a detachable buckle 10, and the bottom of the housing 8 is provided with a detachable The buckle seat 11 adapted to the buckle 10; the length of the limit cover 7 is greater than the length of the PCB board 5;

When the PCB board 5 needs to be installed, place the PCB board 5 on the installation grooves 15 of the first installation block 6 , the second installation block 4 and the third installation block 1 , and then place the The limit cover 7 is rotated to the top of the first installation block 6 , the second installation block 4 and the third installation block 1 so as to cooperate with the installation slot 15 to limit the PCB board 5 . At this time, the limit vertical rod 9 passes through the detachable card. The buckle 10 is detachably connected to the buckle seat 11; when the PCB board 5 needs to be removed, the buckle 10 of the limit vertical rod 9 can be separated from the buckle seat 11, and then the limit cover 7 is lifted and the PCB is taken out Board 5; the utility model is simple and practical, and does not need to use screws, so that the efficiency of installing and disassembling the PCB board 5 is greatly improved.

As shown in FIGS. 1-3 , the bottom of the installation groove 15 is provided with a first elastic pad 14 ;

When the PCB board 5 needs to be installed and fixed, the first elastic pad 14 is provided at the bottom of the installation slot 15 so that the installation slot 15 can accommodate more PCB boards 5 with different thicknesses.

As shown in FIG. 1 to FIG. 3 , the first elastic cushion member 14 includes a first cushion block 12 and a first spring 13 . The head end and the tail end of the first spring 13 are respectively connected with the bottom of the first cushion block 12 and the installation groove 15 . connected to the bottom of the groove;

When the PCB board 5 needs to be installed and fixed, the first elastic cushion member 14 includes a first cushion block 12 and a first spring 13 . The groove bottoms are connected so that the mounting groove 15 can accommodate more PCB boards 5 with different thicknesses.

As shown in FIGS. 1-3 , the height of the first mounting block 6 , the second mounting block 4 , and the third mounting block 1 is greater than the thickness of the PCB board 5 ;

During assembly, only the heights of the first mounting block 6 , the second mounting block 4 and the third mounting block 1 are greater than the thickness of the PCB board 5 to be able to carry the PCB board 5 so as to limit the wire entry.

As shown in FIG. 1 to FIG. 3 , an elastic support column 16 for supporting the PCB board 5 is provided below the center of the PCB board 5 ;

When the PCB board 5 needs to be installed and fixed, an elastic support column 16 supporting the PCB board 5 is provided below the center of the PCB board 5 to support the center of the PCB board 5 to prevent the PCB board 5 from sinking and deforming.

As shown in FIGS. 1-3 , the top of the elastic support column 16 is provided with a second elastic pad 19 ;

When the PCB board 5 needs to be installed and fixed, the top of the elastic support column 16 is provided with a second elastic pad 19 so that the elastic support column 16 can be matched with the first elastic pad 14 on the installation slot 15 to better support the PCB plate 5.

As shown in FIGS. 1-3 , the second elastic cushion member 19 includes a second cushion block 18 and a second spring 17 . The head end and the tail end of the second spring 17 are respectively connected with the bottom of the second cushion block 19 and the elastic support column. The top of 16 is connected;

When the PCB board 5 needs to be installed and fixed, the second elastic cushion member 19 includes a second cushion block 18 and a second spring 17. The head end and the tail end of the second spring 17 are respectively connected with the bottom of the second cushion block 18 and the elastic support column. The tops of 16 are connected so that the second elastic pad 19 is adapted to the first elastic pad 14 so that more PCB boards 5 with different thicknesses can be installed.

As shown in FIGS. 1-3 , the height of the elastic support column 16 is equal to the height from the bottom of the first mounting block 6 , the second mounting block 4 , and the third mounting block 1 to the bottom of the mounting groove 15 ;

When the PCB board 5 needs to be installed and fixed, the height of the elastic support column 16 is equal to the height from the bottom of the first mounting block 6 , the second mounting block 4 , and the third mounting block 1 to the bottom of the mounting groove 15 so that the PCB board 5 play a better supporting role.

As shown in Figures 1-3, the first installation block 6, the second installation block 4, the third installation block 1, the limit cover 7, and the limit vertical rod 9 are all made of bakelite;

When installing and fixing the PCB board 5 , the first mounting block 6 , the second mounting block 4 , the third mounting block 1 , the limit cover 7 , and the limit vertical rod 9 are all made of bakelite, which can prevent static electricity, resist high temperatures, and resist Ageing.

It should be understood that, for those skilled in the art, improvements or changes can be made according to the above description, and all these improvements and changes should belong to the protection scope of the appended claims of the present invention.

Claims (9)

1. A PCB board mounting and fixing structure, characterized in that it comprises a housing of an electronic device, wherein a plurality of first mounting blocks, second mounting blocks and third mounting blocks are arranged in the housing, and the first mounting block and the second mounting block are respectively provided on the left and right sides of the PCB board, the third mounting block is provided on the front end of the PCB board, the first mounting block, the second mounting block and the The outer surface of the third installation block is provided with installation grooves, and the groove bottoms of the installation grooves form steps with the top surfaces of the first installation block, the second installation block, and the third installation block. The depth of the installation groove is adapted to the thickness of the PCB board, and the first installation block, the second installation block, and the third installation block are provided with the installation groove on one side facing the PCB board. ; The top of the third mounting block is hinged with a limit cover that cooperates with the mounting groove to limit the position of the PCB board, the center of the limit cover is provided with a heat dissipation channel, and the head end of the limit cover It is hinged with the top of the third mounting block, the tail end of the limit cover is provided with a limit vertical rod for limiting the tail end of the PCB board, and the bottom of the limit vertical rod is provided with a detachable buckle, The bottom of the casing is provided with a buckle seat adapted to the detachable buckle; the length of the limit cover is greater than the length of the PCB board. 2 . The PCB board mounting and fixing structure according to claim 1 , wherein the bottom of the mounting groove is provided with a first elastic pad. 3 . 3 . The PCB board mounting and fixing structure according to claim 2 , wherein the first elastic cushion member comprises a first cushion block and a first spring, and the head end and the tail end of the first spring are respectively 3 . It is connected with the bottom of the first spacer block and the groove bottom of the installation groove. 4 . The PCB board mounting and fixing structure according to claim 1 , wherein the height of the first mounting block, the second mounting block and the third mounting block is greater than the thickness of the PCB board. 5 . . 5 . The PCB board mounting and fixing structure according to claim 3 , wherein an elastic support column for supporting the PCB board is provided below the center of the PCB board. 6 . 6 . The PCB board mounting and fixing structure according to claim 5 , wherein the top of the elastic support column is provided with a second elastic pad. 7 . 7 . The PCB board mounting and fixing structure according to claim 6 , wherein the second elastic pad comprises a second pad and a second spring, and the head end and the tail end of the second spring are respectively 7 . It is connected with the bottom of the second block and the top of the elastic support column. 8 . The PCB board mounting and fixing structure according to claim 5 , wherein the height of the elastic support column is equal to the height of the first mounting block, the second mounting block, and the third mounting block. 9 . The height from the bottom to the bottom of the mounting groove. 9 . The PCB board mounting and fixing structure according to claim 7 , wherein the first mounting block, the second mounting block, the third mounting block, the limit cover, the The limiting vertical rod, the first pad, and the second pad are all made of bakelite.

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