CN219999799U

CN219999799U - PCB circuit board safety device

Info

Publication number: CN219999799U
Application number: CN202321656135.4U
Authority: CN
Inventors: 蒲超
Original assignee: Shenzhen Shenkai Electronic Co ltd
Current assignee: Shenzhen Shenkai Electronic Co ltd
Priority date: 2023-06-28
Filing date: 2023-06-28
Publication date: 2023-11-10
Anticipated expiration: 2033-06-28

Abstract

The utility model relates to the technical field of PCB (printed circuit board), in particular to a PCB safety protection device, which comprises a box body and a placing plate, wherein the left side and the right side of the box body are both provided with radiating holes, the left side of the box body is fixedly provided with a radiating fan, the inside of the radiating holes is connected with a dust screen in a sliding manner, the box body is provided with a limiting component, the placing plate is provided with a buffer component, the placing plate is provided with a fixing component, and the limiting component comprises a first threaded rod which is rotationally connected with the right side of the box body. This PCB circuit board safety device through setting up restriction subassembly, can be when clearing up the dust screen, makes the movable rod no longer extrude the dust screen through rotating first threaded rod, cancels the restriction to the dust screen, and then convenient to use person dismantles the dust screen clear up its surface attached dust, reduces the radiating effect who influences the PCB circuit board because of the dust accumulation on the dust screen.

Description

PCB circuit board safety device

Technical Field

The utility model relates to the technical field of PCB (printed circuit board), in particular to a PCB safety protection device.

Background

The PCB circuit board is also called a printed circuit board, is an important electronic component, is a support body of the electronic component, is a carrier for electric connection of the electronic component, enables a circuit to be miniaturized and visualized, plays an important role in mass production of a fixed circuit and optimizing layout of an electrical appliance, and is generally fixed in a machine body shell.

For example, CN215187897U, proposes a circuit board with excellent protection performance, including the mounting box, the slide rail is all installed to the interior left and right sides wall of mounting box, sliding connection has the slider on the slide rail, the opposite side of the slider of side all is connected with first telescopic link about, the opposite one end of the first telescopic link of side all fixedly connected with fixed block about.

However, the dust screen is fixedly arranged in the using process, the dust screen is inconvenient to detach and clean, and because the dust screen blocks external dust for a long time, the dust can be attached to the dust screen, so that the dust screen is blocked, and the heat dissipation of the PCB is affected, so that the PCB safety protection device is provided.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a PCB safety protection device which has the advantages of convenient cleaning and the like, and solves the problem that the dust screen is blocked because the dust screen blocks external dust for a long time and the dust can be attached to the dust screen, so that the dust screen is blocked.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the PCB circuit board safety protection device comprises a box body and a placing plate, wherein radiating holes are formed in the left side and the right side of the box body, a radiating fan is fixedly arranged on the left side of the box body, a dust screen is connected inside the radiating holes in a sliding mode, a limiting assembly is arranged on the box body, a buffer assembly is arranged on the placing plate, and a fixing assembly is arranged on the placing plate;

the limiting assembly comprises a first threaded rod which is connected with the right side of the box body in a rotating mode, two movable blocks are connected with the outer side of the first threaded rod in a threaded mode, idler wheels are connected with the top of the movable blocks in a rotating mode, two reset springs are connected with the inner portion of the box body in a fixedly connected mode, two movable rods are connected with the inner portion of the box body in a rotating mode, limiting rods are connected between the inner walls of the left side and the inner wall of the right side of the box body in a fixedly connected mode, and two stop blocks are connected with the inner portion of the radiating holes in a fixedly connected mode.

Through adopting above-mentioned technical scheme, convenient user dismantles dust that is attached to its surface with the dust screen when using and clear up, reduces the radiating effect that influences the PCB circuit board because of the dust accumulation on the dust screen.

Further, the buffer assembly includes the attenuator that is two and with diapire fixed connection in the box body of quantity, place the bottom of board articulated have a quantity two bracing pieces, the interior bottom wall sliding connection of box body has a quantity two sliding blocks, the interior bottom wall fixed connection of box body has a quantity two fixed plate, two the equal fixedly connected with buffer spring of one side that the fixed plate is relative.

Through adopting above-mentioned technical scheme, the convenience takes place when rocking at the carrier apparatus of PCB circuit board when using, plays the cushioning effect to the PCB circuit board, reduces to rock the condition that causes droing or damage to the PCB circuit board.

Further, fixed subassembly is including the quantity be two and all with place board bottom fixed connection's connecting plate, the top threaded connection of connecting plate has the second threaded rod, the bottom rotation of second threaded rod is connected with the limiting plate.

Through adopting above-mentioned technical scheme, conveniently restrict the fixed by limiting plate to PCB circuit board when using, be convenient for install the dismantlement to PCB circuit board.

Further, the inside of movable block is offered and is connected with first threaded rod threaded through-hole, two the inside screw thread direction of movable block is opposite.

By adopting the technical scheme, the threaded rod is convenient to move to one side opposite to or opposite to the two movable blocks when rotating during use.

Further, a limit through hole matched with the limit rod in size is formed in the movable block, and the roller is abutted to the movable rod.

By adopting the technical scheme, the roller can conveniently squeeze the movable rod when in use.

Further, one end of the return spring is fixedly connected with the bottom of the movable rod, and the movable rod is abutted with the dust screen.

Through adopting above-mentioned technical scheme, the movable rod is convenient when using to restrict the dust screen.

Further, one end of the damper is fixedly connected with the bottom of the placement plate, and one end of the buffer spring is fixedly connected with one side, close to the fixing plate, of the sliding block.

Through adopting above-mentioned technical scheme, the attenuator is convenient when using to be cushioned shock attenuation to placing the board.

Further, one end of the supporting rod is hinged with the front face of the sliding block.

By adopting the technical scheme, the supporting rod can push the sliding block to slide conveniently when in use.

Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:

1. this PCB circuit board safety device through setting up restriction subassembly, can be when clearing up the dust screen, makes the movable rod no longer extrude the dust screen through rotating first threaded rod, cancels the restriction to the dust screen, and then convenient to use person dismantles the dust screen clear up its surface attached dust, reduces the radiating effect who influences the PCB circuit board because of the dust accumulation on the dust screen.

2. This PCB circuit board safety device through setting up buffer unit and fixed subassembly, takes place when rocking when the carrier apparatus of PCB circuit board, plays cushioning effect to the PCB circuit board, reduces to rock the condition that causes droing or damage to the PCB circuit board, and restrict fixedly to the PCB circuit board through the limiting plate, is convenient for install the dismantlement to the PCB circuit board.

Drawings

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

fig. 2 is an enlarged view of the structure of fig. 1 a according to the present utility model.

In the figure: 1. a case body; 2. placing a plate; 3. a dust screen; 4. a stop block; 5. a heat radiation fan; 6. a heat radiation hole; 7. a movable rod; 8. a return spring; 9. a first threaded rod; 10. a movable block; 11. a roller; 12. a limit rod; 13. a damper; 14. a support rod; 15. a fixing plate; 16. a sliding block; 17. a buffer spring; 18. a connecting plate; 19. a second threaded rod; 20. and a limiting plate.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, a PCB circuit board safety protection device in this embodiment includes a box body 1 and a placing board 2, wherein both the left and right sides of the box body 1 are provided with heat dissipation holes 6, a heat dissipation fan 5 is fixedly installed on the left side of the box body 1, a dust screen 3 is slidingly connected inside the heat dissipation holes 6, a limiting component is provided on the box body 1, a buffer component is provided on the placing board 2, and a fixing component is provided on the placing board 2.

The limiting component comprises a first threaded rod 9 which is rotationally connected with the right side of the box body 1, two movable blocks 10 are in threaded connection with the outer side of the first threaded rod 9, threaded through holes which are in threaded connection with the first threaded rod 9 are formed in the movable blocks 10, the threaded directions of the inner portions of the two movable blocks 10 are opposite, the top of the movable blocks 10 are rotationally connected with idler wheels 11, reset springs 8 which are in number two are fixedly connected with the inner portion of the box body 1, movable rods 7 which are in number two are rotationally connected with the inner portion of the box body 1, one ends of the reset springs 8 are fixedly connected with the bottoms of the movable rods 7, the movable rods 7 are in butt joint with the dust screen 3, idler wheels 11 are in butt joint with the movable rods 7, limiting rods 12 are fixedly connected between the inner walls of the left side and the right side of the box body 1, limiting through holes which are matched with the limiting rods 12 are in size are formed in the inner portion of the movable blocks 10, the two stop blocks 4 are fixedly connected with the number of the two stop blocks 4, the stop blocks 4 and the movable rods 7 are respectively located on two sides of the dust screen 3, and the stop blocks 4 can block the positions of the dust screen 3.

It should be noted that, through setting up restriction subassembly, can be when clearing up dust screen 3, make movable rod 7 no longer extrude dust screen 3 through rotating first threaded rod 9, cancel the restriction to dust screen 3, and then convenient to use person dismantles dust screen 3 to clear up its surface attached dust, reduces the radiating effect that influences the PCB circuit board because of the dust accumulation on the dust screen 3.

The buffer assembly comprises two dampers 13 fixedly connected with the inner bottom wall of the box body 1, one end of each damper 13 is fixedly connected with the bottom of the placing plate 2, two support rods 14 are hinged to the bottom of the placing plate 2, two sliding blocks 16 are slidably connected with the inner bottom wall of the box body 1, one end of each support rod 14 is hinged to the front face of each sliding block 16, two fixing plates 15 are fixedly connected with the inner bottom wall of the box body 1, buffer springs 17 are fixedly connected to opposite sides of the two fixing plates 15, and one end of each buffer spring 17 is fixedly connected with one side, close to the fixing plate 15, of each sliding block 16.

The fixed subassembly includes two and all with placing board 2 bottom fixed connection's connecting plate 18, the top threaded connection of connecting plate 18 has second threaded rod 19, the bottom rotation of second threaded rod 19 is connected with limiting plate 20.

It should be noted that, through setting up buffer unit and fixed subassembly, when the carrier apparatus of PCB circuit board takes place to rock, play the cushioning effect to the PCB circuit board, reduce to rock the condition that causes droing or damage to the PCB circuit board, and restrict fixedly to the PCB circuit board through limiting plate 20, be convenient for install the dismantlement to the PCB circuit board.

The working principle of the embodiment is as follows:

this PCB circuit board safety device, in PCB circuit board use, through starting radiator fan 5, accelerate the circulation of air in the box body 1, play good heat dissipation effect to the PCB circuit board, through the attenuator 13 of placing the setting of board 2 bottom, can take place when rocking at the carrier apparatus of PCB circuit board, buffer shock attenuation to the PCB circuit board, place the board 2 simultaneously and drive bracing piece 14 and move down, the one end of bracing piece 14 promotes slider 16 slip, extrude buffer spring 17, make buffer spring 17 take place deformation, absorb a part energy, reach and carry out dual buffering absorbing effect to the PCB circuit board on placing board 2, in addition, when need clear up dust screen 3, open box body 1, rotate first threaded rod 9, spacing by gag lever post 12 to movable block 10, drive two movable blocks 10 and remove to one side of being on the back mutually, make gyro wheel 11 no longer extrude movable rod 7, tension through reset spring 8 drives movable rod 7 and rotates, make movable rod 7 no longer extrude the screen 3, and then be convenient for take off dust screen 3 and attach it, make the dust screen 3 take place dual buffering absorbing effect, in addition, carry out the change of the dust screen 20 to the second through the rotation of the wire rod, make the user change the dust screen 20, make the change the PCB to take place the dust screen 20, make the change to the user's the PCB to take place the dust screen 20, and make the change to be convenient for the user's.

Claims

1. The utility model provides a PCB circuit board safety device, includes box body (1) and places board (2), its characterized in that: the novel anti-dust box comprises a box body (1), wherein radiating holes (6) are formed in the left side and the right side of the box body (1), a radiating fan (5) is fixedly arranged on the left side of the box body (1), a dust screen (3) is connected inside the radiating holes (6) in a sliding mode, a limiting assembly is arranged on the box body (1), a buffer assembly is arranged on a placing plate (2), and a fixing assembly is arranged on the placing plate (2);

the limiting assembly comprises a first threaded rod (9) which is connected with the right side of the box body (1) in a rotating mode, two movable blocks (10) are connected with the outer side of the first threaded rod (9) in a threaded mode, idler wheels (11) are connected with the top of the movable blocks (10) in a rotating mode, reset springs (8) are connected with the box body (1) in a fixed mode, two movable rods (7) are connected with the box body (1) in a rotating mode, limiting rods (12) are fixedly connected between the inner walls of the left side and the right side of the box body (1), and two stop blocks (4) are connected with the inner side of the radiating holes (6) in a fixed mode.

2. The PCB safety device of claim 1, wherein: the buffer assembly comprises two dampers (13) fixedly connected with the inner bottom walls of the box body (1), two support rods (14) are hinged to the bottom of the placing plate (2), two sliding blocks (16) are slidably connected with the inner bottom walls of the box body (1), two fixing plates (15) are fixedly connected with the inner bottom walls of the box body (1), and buffer springs (17) are fixedly connected to one sides, opposite to the fixing plates (15), of the two fixing plates.

3. The PCB safety device of claim 1, wherein: the fixed subassembly is including quantity two and all with place connecting plate (18) of board (2) bottom fixed connection, the top threaded connection of connecting plate (18) has second threaded rod (19), the bottom rotation of second threaded rod (19) is connected with limiting plate (20).

4. The PCB safety device of claim 1, wherein: the inside of the movable block (10) is provided with a threaded through hole in threaded connection with the first threaded rod (9), and the directions of threads in the two movable blocks (10) are opposite.

5. The PCB safety device of claim 1, wherein: limiting through holes matched with the limiting rods (12) in size are formed in the movable blocks (10), and the rollers (11) are abutted to the movable rods (7).

6. The PCB safety device of claim 1, wherein: one end of the return spring (8) is fixedly connected with the bottom of the movable rod (7), and the movable rod (7) is abutted to the dust screen (3).

7. The PCB safety device of claim 2, wherein: one end of the damper (13) is fixedly connected with the bottom of the placement plate (2), and one end of the buffer spring (17) is fixedly connected with one side, close to the fixed plate (15), of the sliding block (16).

8. The PCB safety device of claim 2, wherein: one end of the supporting rod (14) is hinged with the front surface of the sliding block (16).