CN219612123U

CN219612123U - Anti-fracture PCB (printed circuit board)

Info

Publication number: CN219612123U
Application number: CN202320624914.XU
Authority: CN
Inventors: 张建元; 陈建强; 白福荣; 陈海峰; 张伟; 赵金诚
Original assignee: Kunshan Suxin Electronics Co ltd
Current assignee: Kunshan Suxin Electronics Co ltd
Priority date: 2023-03-27
Filing date: 2023-03-27
Publication date: 2023-08-29
Anticipated expiration: 2033-03-27

Abstract

The utility model discloses a fracture-resistant PCB (printed circuit board), which comprises a PCB, wherein a protective layer is sleeved outside the PCB, T-shaped connecting columns are arranged at four end feet of the lower end face of the protective layer, a mounting plate is arranged below the four T-shaped connecting columns, a connecting seat is arranged at four end feet of the upper end face of the mounting plate, through hole movable grooves are arranged inside the four connecting seats, limit movable grooves positioned inside the connecting seats are arranged below the through hole movable grooves, the four T-shaped connecting columns and the four connecting seats are movably connected through the through hole movable grooves, limit spring grooves are arranged inside the four T-shaped connecting columns, springs A are arranged inside the four limit spring grooves, and T-shaped connecting rods positioned inside the limit movable grooves are arranged below the four springs A. The utility model enhances the buffering effect and improves the anti-fracture effect of the PCB.

Description

Anti-fracture PCB (printed circuit board)

Technical Field

The utility model relates to the technical field of PCB (printed circuit board), in particular to a fracture-resistant PCB.

Background

The PCB circuit board, i.e. the printed circuit board, is a support for electronic components, and is called "printed circuit board" because it is made by electronic printing, and almost every kind of electronic equipment, as small as electronic watches, calculators, as large as computers, communication electronic equipment, as long as there are electronic components such as integrated circuits, etc., all PCBs are used for electrical interconnection between the respective components.

The existing PCB is fragile and easy to crack, so that the PCB is broken, and the possibility of cracking of the PCB used in vibration or jolt environment is higher, and the shock resistance is lower.

The Chinese patent with the patent number of CN202122726630.5 discloses a fracture-resistant PCB circuit board, which adopts a buffer mechanism to buffer, and the buffer is carried out through a spring, a limit cylinder and a limit column in the PCB circuit board, so that the technical problem is solved, but the buffer effect is limited only through the buffer treatment of the spring, the limit cylinder and the limit column.

Disclosure of Invention

The utility model aims to provide a fracture-resistant PCB (printed Circuit Board) to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an anti cracked PCB circuit board, includes the PCB circuit board, the outside cover of PCB circuit board is equipped with the protective layer, four terminal pins of terminal surface all are equipped with T type spliced pole under the protective layer, four the below of T type spliced pole is equipped with the mounting panel, four terminal pins of mounting panel up end all are equipped with the connecting seat, four the inside of connecting seat all is equipped with the through-hole movable groove, the below of through-hole movable groove is equipped with the spacing movable groove that is located the connecting seat inside, four T type spliced pole with four the connecting seat all runs through swing joint through the through-hole movable groove, four the inside of T type spliced pole all is equipped with spacing spring groove, four the inside of spacing spring groove all is equipped with spring A, four the below of spring A all is equipped with the T type connecting rod that is located spacing movable groove inside, four T type connecting rod and four the T type spliced pole all run through swing joint through the through-hole groove, the inside of spacing groove is equipped with the inside T type connecting rod and is equipped with the elastic sleeve and is equipped with between the outside of T type connecting rod.

Preferably, the through holes are formed in four terminal pins of the upper end face of the PCB, the upper end face of the PCB is provided with a groove, and a plurality of electrical elements are arranged on the surface of the PCB.

Preferably, the inside of protective layer is equipped with the standing groove, the PCB circuit board is placed in the standing groove, the inside of protective layer is equipped with dampproofing board, the outward appearance of protective layer scribbles dampproofing coating.

Preferably, the four T-shaped connection columns and the protection layer are in an integrated structure.

Preferably, the four connecting seats and the mounting plate are of an integrated structure.

Preferably, the elastic block is of an elastic rubber structure, the elastic block is connected with the inner wall of the connecting seat, and the T-shaped connecting rod is connected with the elastic block.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the PCB is protected through the protection layer, meanwhile, the T-shaped connecting posts of the four end feet on the lower end surface of the protection layer have downward pressing movement, so that the T-shaped connecting posts are pressed down in the limit movable groove in the connecting seat, meanwhile, the T-shaped connecting rod in the limit spring groove in the T-shaped connecting post also has upward pressing movement, the spring A in the limit spring groove is compressed to play a role in buffering, and the spring B sleeved outside the T-shaped connecting rod is compressed to play a role in buffering when the T-shaped connecting post is pressed down, and the elastic block positioned on the lower end surface of the T-shaped connecting rod is compressed together, so that the whole buffering effect is enhanced.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a side view of the entirety of the present utility model;

FIG. 3 is a schematic view of the internal structure of the buffer mechanism of the present utility model;

FIG. 4 is a schematic view of a partially enlarged structure of the buffer mechanism A of the present utility model;

in the figure: 1. a protective layer; 2. a PCB circuit board; 3. a groove; 4. a through hole; 5. a mounting plate; 6. a T-shaped connecting column; 7. a connecting seat; 8. a limit spring groove; 9. a spring A; 10. a limit movable groove; 11. a T-shaped connecting rod; 12. a spring B; 13. an elastic block; 14. a through hole groove; 15. and the through hole is a movable groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1 to 4, an embodiment of the present utility model provides: the utility model provides an anti cracked PCB circuit board, including PCB circuit board 2 (only schematic the overall shape of PCB circuit board 2 in the figure, wiring, the via hole of its surface and the pad etc. of welded area are not specifically schematic), PCB circuit board 2's outside cover is equipped with protective layer 1, four terminal pins of terminal surface all are equipped with T type spliced pole 6 under the protective layer 1, the below of four T type spliced poles 6 is equipped with mounting panel 5, four terminal pins of mounting panel 5 up end all are equipped with connecting seat 7, the inside of four connecting seats 7 all is equipped with through-hole movable groove 15, the below of through-hole movable groove 15 is equipped with the spacing movable groove 10 that is located connecting seat 7 inside.

Four T type spliced pole 6 and four connecting seats 7 all run through swing joint through-hole movable groove 15, the inside of four T type spliced pole 6 all is equipped with spacing spring groove 8, the inside of four spacing spring groove 8 all is equipped with spring A9, the below of four spring A9 all is equipped with the T type connecting rod 11 that is located spacing movable groove 10 inside, the lower terminal surface of four spacing spring groove 8 all is equipped with the through-hole groove 14 that is located T type spliced pole 6 inside, four T type connecting rod 11 run through swing joint through-hole groove 14 with four T type spliced pole 6, the inside of spacing movable groove 10 is equipped with the elastomeric block 13 that is located T type connecting rod 11 below, be equipped with the cover between T type spliced pole 6 and the elastomeric block 13 and establish the outside spring B12 of T type connecting rod 11.

The four terminal pins of the upper end face of the PCB 2 are provided with through holes 4, the upper end face of the PCB 2 is provided with grooves 3, and the surface of the PCB 2 is provided with a plurality of electrical elements.

Through adopting above-mentioned technical scheme, protect PCB circuit board 2 through protective layer 1, have the motion of pushing down through T type spliced pole 6 of four terminal pins of protective layer 1 lower terminal surface simultaneously, then its spacing movable groove 10 in the connecting seat 7 is in the activity of pushing down.

And, the inside of protective layer 1 is equipped with the standing groove, and PCB circuit board 2 is placed in the standing groove, and the inside of protective layer 1 is equipped with dampproofing board, and the outward appearance of protective layer 1 scribbles dampproofing coating.

The four T-shaped connecting columns 6 and the protective layer 1 are of an integrated structure, and the four connecting seats 7 and the mounting plate 5 are of an integrated structure.

The elastic block 13 is of an elastic rubber structure, the elastic block 13 is connected with the inner wall of the connecting seat 7, and the T-shaped connecting rod 11 is connected with the elastic block 13.

In summary, when the buffering mechanism for the PCB circuit board is used, the protection layer 1 protects the PCB circuit board 2, meanwhile, the T-shaped connecting posts 6 with four end pins at the lower end surface of the protection layer 1 have a downward pressing motion, so that the downward pressing motion is performed in the limit movable groove 10 in the connecting seat 7, meanwhile, the T-shaped connecting rod 11 in the limit spring groove 8 in the T-shaped connecting post 6 also has an upward pressing motion, the spring A9 in the limit spring groove 8 is compressed to play a role in buffering, and when the T-shaped connecting post 6 is pressed down, the spring B12 sleeved outside the T-shaped connecting rod 11 is also compressed to play a buffering role, and the elastic block 13 positioned at the lower end surface of the T-shaped connecting rod 11 is compressed together, so that the whole buffering effect is enhanced.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a fracture-resistant PCB circuit board, includes PCB circuit board (2), its characterized in that: the outside cover of PCB circuit board (2) is equipped with protective layer (1), four terminal pins of protective layer (1) lower terminal surface all are equipped with T type spliced pole (6), four the below of T type spliced pole (6) is equipped with mounting panel (5), four terminal pins of mounting panel (5) up end all are equipped with connecting seat (7), four the inside of connecting seat (7) all is equipped with through-hole movable groove (15), the below of through-hole movable groove (15) is equipped with spacing movable groove (10) that are located inside connecting seat (7), four T type spliced pole (6) and four connecting seat (7) all run through swing joint through-hole movable groove (15), four the inside of T type spliced pole (6) all is equipped with spacing spring groove (8), four the inside of spacing spring groove (8) all is equipped with spring A (9), four the below of spring A (9) all is equipped with T type connecting rod (11) that are located inside spacing movable groove (10), four terminal surface (8) are equipped with T type spliced pole (14) all through-hole type spliced pole (6), the inside of spacing movable groove (10) is equipped with elastic block (13) that are located T type connecting rod (11) below, T type spliced pole (6) with be equipped with between elastic block (13) and overlap establish outside spring B (12) of T type connecting rod (11).

2. The fracture-resistant PCB of claim 1, wherein: through holes (4) are formed in four terminal pins of the upper end face of the PCB (2), grooves (3) are formed in the upper end face of the PCB (2), and a plurality of electric elements are arranged on the surface of the PCB (2).

3. The fracture-resistant PCB of claim 1, wherein: the inside of protective layer (1) is equipped with the standing groove, PCB circuit board (2) are placed in the standing groove, the inside of protective layer (1) is equipped with dampproof plate, the outward appearance of protective layer (1) scribbles dampproof paint.

4. The fracture-resistant PCB of claim 1, wherein: the four T-shaped connecting columns (6) and the protective layer (1) are of an integrated structure.

5. The fracture-resistant PCB of claim 1, wherein: the four connecting seats (7) and the mounting plate (5) are of an integrated structure.

6. The fracture-resistant PCB of claim 1, wherein: the elastic block (13) is of an elastic rubber structure, the elastic block (13) is connected with the inner wall of the connecting seat (7), and the T-shaped connecting rod (11) is connected with the elastic block (13).