CN217643833U

CN217643833U - PCB with explosion-proof function

Info

Publication number: CN217643833U
Application number: CN202220038812.5U
Authority: CN
Inventors: 丁明; 钟文美; 黄红光
Original assignee: Shenzhen Zhaohong Electronic Co ltd
Current assignee: Shenzhen Zhaohong Electronic Co ltd
Priority date: 2022-01-06
Filing date: 2022-01-06
Publication date: 2022-10-21
Anticipated expiration: 2032-01-06

Abstract

The utility model discloses a PCB board with explosion-proof function relates to PCB board technical field. This PCB board with explosion-proof function, including last protection shield, fixed mounting has protection device in the last protection shield, protection device passes through spring and clamp plate elastic connection, the clamp plate runs through and threaded connection has fixing bolt, the draw-in groove has been seted up to last protection shield one side, the draw-in groove passes through spring and latch device elastic connection, one side contact that latch device is close to protection device has the PCB board. This PCB board with explosion-proof function, when continuing rotatory fixing bolt after fixed PCB board, fixing bolt will extrude the clamp plate downstream, makes bracing piece upward movement withstand the clamp plate through hydraulic assembly to make the clamp plate can't continue downstream, fixing bolt also can't rotate, remind the staff to screw up fixing bolt, prevent to lead to the PCB board to appear the crack too violently during rotatory fixing bolt hard simultaneously.

Description

PCB with explosion-proof function

Technical Field

The utility model relates to a PCB board technical field specifically is a PCB board with explosion-proof function.

Background

Printed circuit boards, also known as Printed Circuit Boards (PCBs) and PCBs, are classified into single-sided boards, double-sided boards, four-layered boards, six-layered boards and other multilayer boards according to the number of layers of the boards, and the main advantages of using the boards are that errors in wiring and assembly are greatly reduced, the automation level and the production labor rate are improved, and the printed circuit boards are developed from single-layered boards to double-sided boards, multilayer boards and flexible boards, and are continuously developed toward high precision, high density and high reliability. The size is continuously reduced, the cost is reduced, and the performance is improved, so that the printed circuit board still keeps strong vitality in the development process of future electronic products.

In the prior art, the PCB is usually directly mounted on the electronic device by using the bolt, when the bolt is mounted, the bolt often generates a violent force so that the PCB is cracked, and the PCB may burst in the subsequent use process, so that the PCB is scrapped, and the electronic device cannot normally work. In view of this, we propose a PCB board with explosion-proof function.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a PCB board with explosion-proof function has solved the problem of proposing in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a PCB board with explosion-proof function, includes the upper shield, fixed mounting has protection device in the upper shield, protection device passes through spring and clamp plate elastic connection, the clamp plate runs through and threaded connection has fixing bolt, the draw-in groove has been seted up to upper shield one side, the draw-in groove passes through spring and latch device elastic connection, one side contact that latch device is close to protection device has the PCB board, the PCB board is kept away from one side contact of upper shield and is had down the protection shield, the screw thread slotted hole has been seted up to protection shield one side down.

Preferably, the protection device comprises a hydraulic assembly, the hydraulic assembly is sequentially connected with a supporting rod and a trigger rod in a sliding mode from left to right, and a rubber pad is fixedly mounted at one end, close to the pressing plate, of the supporting rod.

Preferably, the clamping device comprises a clamping rod, one end of the clamping rod, which is close to the protection device, is fixedly provided with a clamping wedge block, and the other end of the clamping rod is fixedly provided with a pull ring.

Preferably, the upper protection plate, the pressing plate and the PCB are all provided with threaded holes matched with the fixing bolts in shape and size.

Preferably, one end of the PCB close to the upper protection plate is provided with a wedge surface angle.

Preferably, a wedge opening is formed in one side, close to the clamping wedge block, of the PCB, and the shape and the size of the wedge opening are matched with those of the clamping wedge block.

(III) advantageous effects

The utility model provides a PCB board with explosion-proof function. The method has the following beneficial effects:

(1) This PCB board with explosion-proof function, when continuing rotatory fixing bolt after fixed PCB board, fixing bolt will extrude the clamp plate downstream, makes bracing piece upward movement withstand the clamp plate through hydraulic assembly to make the clamp plate can't continue downstream, fixing bolt also can't rotate, remind the staff to screw up fixing bolt, prevent to lead to the PCB board appearance crack too fiercely during rotatory fixing bolt hard simultaneously.

(2) This PCB board with explosion-proof function, when protection device or upper shield, lower protection shield need overhaul, outwards pull out the pull ring, then take off the upper shield or down the protection shield can to make things convenient for the staff to change or overhaul the device, guarantee its protection effect to the PCB board.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the protection device of the present invention;

fig. 3 is a schematic view of the structure of the latch device of the present invention.

In the figure: 1. an upper protection plate; 2. a protection device; 201. a hydraulic assembly; 202. a trigger lever; 203. a support bar; 204. a rubber pad; 3. pressing a plate; 4. fixing the bolt; 5. a card slot; 6. a clamping device; 601. a clamping and connecting rod; 602. clamping a wedge block; 603. a pull ring; 7. a PCB board; 8. a lower protection plate; 9. a threaded slot.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a PCB board with explosion-proof function, includes upper protection shield 1, and fixed mounting has protection device 2 in the upper protection shield 1, and protection device 2 includes hydraulic assembly 201, and hydraulic assembly 201 from left to right has bracing piece 203, trigger bar 202 in proper order sliding connection, and the one end fixed mounting that bracing piece 203 is close to clamp plate 3 has rubber pad 204, avoids clamp plate 3 and bracing piece 203 rigid contact, leads to bracing piece 203 to damage. When the fixing bolt 4 continues to rotate after the PCB 7 is fixed, the fixing bolt 4 can extrude the pressing plate 3 to move downwards, the supporting rod 203 moves upwards to prop against the pressing plate 3 through the hydraulic assembly 201, so that the pressing plate 3 cannot move downwards continuously, the fixing bolt 4 cannot rotate, a worker is reminded of screwing up the fixing bolt 4, cracks are prevented from appearing on the PCB 7 due to the fact that the fixing bolt 4 is rotated too violently, the protection device 2 is elastically connected with the pressing plate 3 through a spring, the pressing plate 3 is reset after the fixing bolt 4 is conveniently detached, the pressing plate 3 penetrates through and is in threaded connection with the fixing bolt 4, threaded holes matched with the shape and size of the fixing bolt 4 are formed in the upper protection plate 1, the pressing plate 3 and the PCB 7, the fixing bolt 4 is convenient to fix the PCB, the clamping groove 5 is formed in one side of the upper protection plate 1, the clamping groove 5 is elastically connected with the clamping device 6 through the spring, and the clamping block 602 is convenient to reset.

In this embodiment, the clamping device 6 includes a clamping rod 601, one end of the clamping rod 601 close to the protection device 2 is fixedly provided with a clamping wedge 602, the other end of the clamping rod 601 is fixedly provided with a pull ring 603, one side of the clamping device 6 close to the protection device 2 is contacted with the PCB 7, one end of the PCB 7 close to the upper protection plate 1 is provided with a wedge angle, the PCB 7 can be conveniently inserted into the upper protection plate 1 and the lower protection plate 8, one side of the PCB 7 close to the clamping wedge 602 is provided with a wedge, the shape and size of the wedge is matched with the clamping wedge 602, and the clamping wedge 602 can be conveniently clamped with the PCB 7. When protection device 2 or upper shield 1, lower protection shield 8 need overhaul, outwards pull out pull ring 603, then take off upper shield 1 or lower protection shield 8 can to make things convenient for the staff to change or overhaul the device, guarantee its protection effect to PCB board 7, the PCB board 7 is kept away from one side contact of upper shield 1 and is had lower protection shield 8, and threaded slot hole 9 has been seted up to lower protection shield 8 one side.

When the PCB protection device is in work (or in use), the fixing bolt 4 is aligned to a threaded hole in the pressing plate 3, then the fixing bolt 4 is rotated to enable the fixing bolt 4 to penetrate through the upper protection plate 1, the PCB 7 is in threaded connection with the threaded hole 9 after penetrating through the lower protection plate 8, the PCB 7 can be fixed through threaded connection with the threaded hole of the electronic device after penetrating through the lower protection plate 8, when the fixing bolt 4 is continuously rotated after being fixed, the fixing bolt 4 can extrude the pressing plate 3 to move downwards, the supporting rod 203 can move upwards through the hydraulic assembly 201 to prop against the pressing plate 3, the pressing plate 3 can not continuously move downwards, the fixing bolt 4 can not rotate, the fixing bolt 4 is reminded to be screwed up by a worker, meanwhile, cracks are caused to the PCB 7 due to the fact that the fixing bolt 4 is too violent force when the fixing bolt is rotated, when the protection device 2 or the upper protection plate 1 and the lower protection plate 8 need to be maintained, the pull ring 603 is pulled outwards, then the protection plate 1 or the lower protection plate 8 can be taken down, therefore the PCB protection device can be conveniently replaced or maintained by the worker, and the protection effect on the PCB 7 is guaranteed.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a PCB board with explosion-proof function, includes upper shield board (1), its characterized in that: go up fixed mounting in protection shield (1) and have protection device (2), protection device (2) are through spring and clamp plate (3) elastic connection, clamp plate (3) run through and threaded connection has fixing bolt (4), draw-in groove (5) have been seted up to last protection shield (1) one side, draw-in groove (5) are through spring and latch device (6) elastic connection, one side contact that latch device (6) are close to protection device (2) has PCB board (7), one side contact that last protection shield (1) was kept away from in PCB board (7) has lower protection shield (8), threaded slotted hole (9) have been seted up to protection shield (8) one side down.

2. The PCB board with the explosion-proof function of claim 1, wherein: protection device (2) include hydraulic assembly (201), hydraulic assembly (201) from left to right has bracing piece (203), trigger bar (202) sliding connection in proper order, one end fixed mounting that bracing piece (203) is close to clamp plate (3) has rubber pad (204).

3. The PCB board with the explosion-proof function of claim 1, wherein: clamping device (6) include joint pole (601), one end fixed mounting that joint pole (601) are close to protection device (2) has joint voussoir (602), joint pole (601) other end fixed mounting has pull ring (603).

4. The PCB board with the explosion-proof function as claimed in claim 1, wherein: threaded holes matched with the fixing bolts (4) in shape and size are formed in the upper protective plate (1), the pressing plate (3) and the PCB (7).

5. The PCB board with the explosion-proof function as claimed in claim 1, wherein: and a wedge face angle is arranged at one end of the PCB (7) close to the upper protection plate (1).

6. The PCB board with the explosion-proof function as claimed in claim 5, wherein: one side of the PCB (7) close to the clamping wedge block (602) is provided with a wedge opening, and the shape and size of the wedge opening are matched with the clamping wedge block (602).