CN215991324U

CN215991324U - Dustproof circuit board

Info

Publication number: CN215991324U
Application number: CN202121739604.XU
Authority: CN
Inventors: 谢军宏; 刘小红
Original assignee: Meizhou Youjie Technology Co ltd
Current assignee: Meizhou Youjie Technology Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2022-03-08
Anticipated expiration: 2031-07-29

Abstract

The utility model discloses a dustproof circuit board which comprises a board body and a mounting plate, wherein fixed blocks A are fixed at four corners of the upper surface of the board body, the surface of each fixed block A is provided with an internal hole, the bottom of each internal hole is penetrated and provided with a through hole A, the positions of the four corners of the board body, which are opposite to the through hole A, are penetrated and provided with a through hole B, the four corners of the lower surface of the board body are fixed with fixed blocks B, the positions of the surfaces of the fixed blocks B, which are opposite to the through hole B, are penetrated and provided with a through hole C, and the fixed blocks B are positioned on the upper surface of the mounting plate; through the fixed block A and the fixed block B of design, can avoid the bolt directly to exert pressure to the plate body, prevent that the bolt from causing the damage to the plate body, improve the life of circuit board, simultaneously through built-in hole and the damping fin of design, can prevent that the bolt from taking place to rotate, guaranteed the stability of installation.

Description

Dustproof circuit board

Technical Field

The utility model belongs to the technical field of circuit boards, and particularly relates to a dustproof circuit board.

Background

The circuit board has the name: the circuit board makes the circuit miniaturized and visualized, and plays an important role in batch production of fixed circuits and optimization of electrical appliance layout. The circuit board may be referred to as a printed wiring board or a printed circuit board.

The existing circuit board is generally installed through the bolt, the bolt easily causes damage to the circuit board during installation, so a structure for preventing the circuit board from being damaged needs to be designed, an effective dustproof structure is not arranged on the existing circuit board, and the circuit board is easily contaminated by dust to influence use.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a dustproof circuit board to solve the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a dust-protection type circuit board, includes plate body and mounting panel, the upper surface four corners department of plate body is fixed with fixed block A, built-in hole has been seted up on fixed block A's surface, the bottom in built-in hole is run through and has been seted up through hole A, the four corners of plate body runs through for through hole A's position and has been seted up through hole B, the lower surface four corners department of plate body is fixed with fixed block B, fixed block B's surface runs through for through hole B's position and has been seted up through hole C, fixed block B is located the position of mounting panel upper surface, the surface of mounting panel runs through for through hole C's position and has seted up the screw, built-in hole, through hole A, through hole B and through hole C's inside is provided with the bolt, the bottom of bolt is embedded into the inside of screw, just be connected through the screw between bolt and the screw.

Preferably, the upper surface of plate body is provided with the dust board, be connected through the pivot between the one end of dust board and the plate body, the other end bottom of dust board is fixed with the gag lever post, the surface of plate body has seted up interior caulking groove for the position of gag lever post, the spacing groove has been seted up for one side of interior caulking groove to a side surface of plate body, just spacing groove and embedded groove link up each other, the bottom of gag lever post is embedded into the inside of embedded groove and with spacing groove looks block.

Preferably, one end of the bolt is completely arranged inside the built-in hole, and the bottom of the built-in hole is provided with a damping sheet.

Preferably, the fixed block A and the fixed block B are both rectangular structures, and an interval is arranged between the plate body and the mounting plate.

Preferably, the dust board is of a rectangular structure, and a gap is arranged between the dust board and the board body.

Preferably, the limiting rod at the bottom of the dust guard plate is provided with two positions, and the bottom end surface of the limiting rod is an arc surface.

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

1. through the fixed block A and the fixed block B of design, can avoid the bolt directly to exert pressure to the plate body, prevent that the bolt from causing the damage to the plate body, improve the life of circuit board, simultaneously through built-in hole and the damping fin of design, can prevent that the bolt from taking place to rotate, guaranteed the stability of installation.

2. Through the fender dirt board of design, can shelter from to plate body surface, the outside dust of effective separation avoids the plate body to receive being infected with of dust, has guaranteed the cleanness of circuit board, simultaneously through gag lever post, interior caulking groove and the spacing groove of design, can freely open and be closed the fender dirt board, conveniently overhauls the circuit board.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a front cross-sectional view of the fixture block A of FIG. 1 in accordance with the present invention;

FIG. 3 is a side cross-sectional view of region A of FIG. 1 in accordance with the present invention;

FIG. 4 is a side view of region B of FIG. 1 in accordance with the present invention;

in the figure: 1. a fixed block A; 2. a plate body; 3. mounting a plate; 4. a fixed block B; 5. a dust guard; 6. a built-in hole; 7. a through hole A; 8. a through hole B; 9. a through hole C; 10. a screw hole; 11. a bolt; 12. a damping fin; 13. a limiting rod; 14. an embedded groove is formed; 15. a limiting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: a dustproof circuit board comprises a board body 2 and a mounting plate 3, wherein fixed blocks A1 are fixed at four corners of the upper surface of the board body 2, built-in holes 6 are formed in the surface of the fixed blocks A1, through holes A7 are formed in the bottoms of the built-in holes 6 in a penetrating mode, through holes B8 are formed in the four corners of the board body 2 corresponding to the through holes A7 in a penetrating mode, fixed blocks B4 are fixed at four corners of the lower surface of the board body 2, through the designed fixed blocks A1 and B4, the situation that bolts 11 directly apply pressure on the board body 2 can be avoided, the bolts 11 are prevented from damaging the board body 2, the service life of the circuit board is prolonged, through holes C9 are formed in the surface of the fixed blocks B4 corresponding to the through holes B8 in a penetrating mode, the fixed blocks B4 are located at the upper surface of the mounting plate 3, screw holes 10 are formed in the surface of the mounting plate body 3 corresponding to the through holes C9 in a penetrating mode, bolts 11 are arranged inside the built-in the holes 6, the through holes A7, the through holes 85B 25 and the through holes C9, the bottom end of the bolt 11 is embedded into the screw hole 10, and the bolt 11 and the screw hole 10 are connected through threads.

In this embodiment, preferably, the upper surface of the plate body 2 is provided with the dust-blocking plate 5, the surface of the plate body 2 can be blocked by the designed dust-blocking plate 5, external dust can be effectively blocked, the plate body 2 is prevented from being contaminated by dust, cleaning of the circuit board is ensured, one end of the dust-blocking plate 5 is connected with the plate body 2 through a rotating shaft, the bottom of the other end of the dust-blocking plate 5 is fixed with a limiting rod 13, the surface of the plate body 2 is provided with an inner caulking groove 14 at a position corresponding to the limiting rod 13, one side surface of the plate body 2 corresponding to one side of the inner caulking groove 14 is provided with a limiting groove 15, the dust guard plate 5 can be freely opened and closed through the designed limiting rod 13, the inner embedded groove 14 and the limiting groove 15, the circuit board can be conveniently overhauled, the limit groove 15 and the inner insertion groove 14 are communicated with each other, and the bottom of the limit rod 13 is inserted into the inner insertion groove 14 and is engaged with the limit groove 15.

In this embodiment, preferably, one end of the bolt 11 is completely disposed inside the built-in hole 6, and the bottom of the built-in hole 6 is provided with the damping fin 12, so that the bolt 11 can be prevented from rotating, and the stability of installation is ensured.

In this embodiment, preferably, the fixing block a1 and the fixing block B4 are both rectangular structures, and a space is provided between the plate body 2 and the mounting plate 3, so that the mounting plate 3 is prevented from scraping and rubbing the plate body 2.

In this embodiment, preferably, the dust-blocking plate 5 has a rectangular structure, and a gap is provided between the dust-blocking plate 5 and the plate body 2, and the height of the gap is greater than the highest height of each part on the plate body 2.

In this embodiment, preferably, the limiting rod 13 at the bottom of the dust guard 5 is provided with two positions, and the bottom surface of the limiting rod 13 is provided with an arc surface, so that the limiting rod 13 can be conveniently thrown into the inner embedded groove 14.

The working principle and the using process of the utility model are as follows: when the utility model is used, the plate body 2 needs to be installed firstly, the operation is that four corners of the plate body 2 are respectively aligned with screw holes 10 arranged on the surface of the installation plate 3, then bolts 11 are put into the inner parts of the built-in holes 6, the through holes A7, the through holes B8 and the through holes C9, and the bolts 11 are rotated, so that one ends of the bolts 11 are in threaded connection with the screw holes 10, at the moment, one ends of the bolts 11 are completely arranged in the inner parts of the built-in holes 6, and one ends of the bolts 11 are in extrusion contact with the damping sheets 12, thereby ensuring the stability of the bolts 11, preventing the bolts 11 from rotating, improving the stability, and then the other triangles are subjected to the same operation, so that the installation between the plate body 2 and the installation plate 3 is completed, then the dust blocking plate 5 can be shifted, the dust blocking plate 5 is rotated, and the limiting rods 13 fixed at the bottom of the dust blocking plate 5 can be extruded to deform to be conveniently and smoothly embedded into the embedded grooves 14, and the one end and the spacing groove 15 looks block of gag lever post 13, accomplish the fixed to fender dirt board 5, effectively shelter from the surface of plate body 2, avoid plate body 2 to receive being infected with of dust, the normal use of circuit board has been guaranteed, if will overhaul the circuit board, then need open fender dirt board 5, the one end of gag lever post 13 can be pressed this moment, let gag lever post 13 take place certain deformation, let gag lever post 13 no longer with 15 looks blocks in spacing groove, the fixed of gag lever post 13 is relieved this moment, the user can open fender dirt board 5, and overhaul work, after the maintenance, close fender dirt board 5 according to above-mentioned mode again, the circuit board alright drop into use again.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a dust-protection type circuit board, includes plate body (2) and mounting panel (3), its characterized in that: the upper surface four corners department of plate body (2) is fixed with fixed block A (1), built-in hole (6) have been seted up on the surface of fixed block A (1), the bottom of built-in hole (6) is run through and is seted up through hole A (7), the four corners of plate body (2) are run through for the position of through hole A (7) and are seted up through hole B (8), the lower surface four corners department of plate body (2) is fixed with fixed block B (4), the surface of fixed block B (4) is run through for the position of through hole B (8) and is seted up through hole C (9), fixed block B (4) are located the position of mounting panel (3) upper surface, the surface of mounting panel (3) is run through for the position of through hole C (9) and is seted up screw (10), the inside of built-in hole (6), through hole A (7), through hole B (8) and through hole C (9) is provided with bolt (11), the bottom end of the bolt (11) is embedded into the screw hole (10), and the bolt (11) is connected with the screw hole (10) through threads.

2. The dustproof circuit board of claim 1, wherein: the upper surface of plate body (2) is provided with dust board (5), be connected through the pivot between the one end of dust board (5) and plate body (2), the other end bottom of dust board (5) is fixed with gag lever post (13), interior caulking groove (14) have been seted up for the position of gag lever post (13) in the surface of plate body (2), spacing groove (15) have been seted up for one side of interior caulking groove (14) in a side surface of plate body (2), just spacing groove (15) and embedded groove (14) link up each other, the bottom of gag lever post (13) is embedded into the inside of embedded groove (14) and with spacing groove (15) looks block.

3. The dustproof circuit board of claim 1, wherein: one end of the bolt (11) is completely arranged in the built-in hole (6), and a damping sheet (12) is arranged at the bottom of the built-in hole (6).

4. The dustproof circuit board of claim 1, wherein: fixed block A (1) and fixed block B (4) are the rectangle structure, be provided with the interval between plate body (2) and mounting panel (3).

5. The dustproof circuit board of claim 2, wherein: the dust guard (5) is of a rectangular structure, and a gap is arranged between the dust guard (5) and the plate body (2).

6. The dustproof circuit board of claim 5, wherein: the dust guard is characterized in that two positions are arranged on a limiting rod (13) at the bottom of the dust guard (5), and the bottom end surface of the limiting rod (13) is an arc surface.