CN217283651U

CN217283651U - Circuit board with long service life

Info

Publication number: CN217283651U
Application number: CN202123178106.5U
Authority: CN
Inventors: 石文军; 宋飞; 吴径舟
Original assignee: Shenzhen Jinhui Electronics Co ltd
Current assignee: Shenzhen Jinhui Electronics Co ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-08-23
Anticipated expiration: 2031-12-16

Abstract

The utility model discloses a high life's circuit board relates to circuit board technical field, including base, circuit board body and protective housing, the standing groove has been seted up to the upper surface of base, the lower fixed surface of circuit board body installs and places the piece, place the piece and place groove looks adaptation, the draw-in groove has been seted up to one side of placing the piece, the spring groove has been seted up to the inside of base, the inside in spring groove is provided with expanding spring, expanding spring's one end is provided with the fixture block, fixture block and draw-in groove looks adaptation, the inside sliding connection of base has the rack, the beneficial effects of the utility model are that: through the pulling telescopic link, make spacing post keep away from spacing hole, remove the spacing to the rack, rotate after that, the control kicking block removes to drive the fixture block and keep away from the draw-in groove, can accomplish the dismantlement, its simple structure, the installation and the dismantlement of the circuit board body of being convenient for, thereby practice thrift a large amount of manpowers and time.

Description

Circuit board with long service life

Technical Field

The utility model relates to a circuit board technical field specifically is a high life's circuit board.

Background

The circuit board has the name: the printed circuit board is also called a printed circuit board and is a provider of electrical connection of electronic components.

However, the existing circuit board is usually fixed by using screws, the installation and disassembly processes are complicated, the circuit board is inconvenient to overhaul, the protection performance is poor, and the circuit board is easily damaged by being extruded by foreign matters.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a high life's circuit board has solved and has proposed its installation and dismantle loaded down with trivial details, the relatively poor problem of protectiveness of process in the above-mentioned background art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a high life's circuit board, includes base, circuit board body and protective housing, the standing groove has been seted up to the upper surface of base, the lower fixed surface of circuit board body installs places the piece, place piece and standing groove looks adaptation, the draw-in groove has been seted up to one side of placing the piece, the spring groove has been seted up to the inside of base, the inside in spring groove is provided with expanding spring, expanding spring's one end is provided with the fixture block, fixture block and draw-in groove looks adaptation, the inside sliding connection of base has the rack, the spacing groove has been seted up to the inside of fixture block.

Preferably, the one end of rack just is located the inside in spacing groove and is provided with the kicking block, the inside of base rotates and is connected with the telescopic link, the one end fixed mounting of telescopic link has the gear, the gear is connected with rack toothing.

Preferably, the outer side of the base is provided with a limiting hole, one end of the telescopic rod is fixedly provided with a limiting column, and the limiting column is matched with the limiting hole.

Preferably, the lower fixed surface of the protective shell is provided with a T-shaped block, the upper surface of the base is provided with a T-shaped groove, the T-shaped block is matched with the T-shaped groove, and the upper fixed surface of the protective shell is provided with a buffer gasket.

Preferably, the upper surface of the circuit board body is provided with a waterproof layer, and the upper surface of the waterproof layer is provided with a dustproof layer.

Preferably, the base is provided with screw holes at positions close to four corners.

The utility model provides a high life's circuit board possesses following beneficial effect:

1. the circuit board with long service life is characterized in that the placing block on the lower surface of the circuit board body is clamped into the placing groove, the clamping block is extruded and automatically moves towards the direction of the spring groove by utilizing the inclined plane on one side of the placing block, when the placing block is completely overlapped with the placing groove, the clamping block is tightly clamped in the clamping groove by the elastic force of the telescopic spring, the telescopic rod can be rotated, the rack can be driven to move under the meshing connection action of the rack and the gear, the jacking block at one end of the rack is propped against the inner wall of the limiting groove, one end of the telescopic rod is pressed, the limiting column is clamped into the limiting hole, the rack is limited, the installation is finished, when the circuit board needs to be overhauled, the telescopic rod can be pulled, the limiting column is far away from the limiting hole, the limitation on the rack is relieved, then the rotation is carried out, the jacking block is controlled to move, the clamping block is driven to be far away from the clamping groove, and the disassembly can be finished, the circuit board is simple in structure, and the circuit board body can be conveniently mounted and dismounted, so that a large amount of labor and time are saved.

2. This high life's circuit board through mutually supporting in protective housing, buffer pad, T type piece and the T type groove that sets up, can go into the T type groove of base upper surface with the T type piece card of protective housing lower surface for protective housing covers in the top of circuit board body, plays effectual protective effect, has solved among the prior art by the easy problem of damaging of foreign matter extrusion, thereby has improved the life of circuit board.

Drawings

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

fig. 2 is a schematic view of the protective housing of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a base; 2. a screw hole; 3. a circuit board body; 4. a waterproof layer; 5. a dust-proof layer; 6. a protective housing; 7. a cushion pad; 8. placing the blocks; 9. a placement groove; 10. a T-shaped block; 11. a T-shaped groove; 12. A card slot; 13. a spring slot; 14. a tension spring; 15. a clamping block; 16. a limiting groove; 17. a rack; 18. A top block; 19. a telescopic rod; 20. a gear; 21. a limiting column; 22. and a limiting hole.

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.

Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a high life's circuit board, the on-line screen storage device comprises a base 1, circuit board body 3 and protective housing 6, spacing hole 22 has been seted up in base 1's the outside, the one end fixed mounting of telescopic link 19 has spacing post 21, spacing post 21 and spacing hole 22 looks adaptation, can be through the one end of pressing telescopic link 19, make spacing post 21 block advance spacing hole 22, thereby spacing to rack 17, fixture block 15's stability has further been improved, circuit board body 3's upper surface is provided with waterproof layer 4, play effectual water-proof effects, waterproof layer 4's upper surface is provided with dust layer 5, prevent that the dust from getting into inside the circuit board, lead to the circuit board to damage, base 1's inside and be close to the four corners position and all seted up screw 2, can use the screw to fix base 1 through screw 2.

The upper surface of the base 1 is provided with a placing groove 9, the lower surface of the circuit board body 3 is fixedly provided with a placing block 8, the placing block 8 is matched with the placing groove 9, one side of the placing block 8 is provided with a clamping groove 12, the inside of the base 1 is provided with a spring groove 13, the inside of the spring groove 13 is provided with a telescopic spring 14, one end of the telescopic spring 14 is provided with a clamping block 15, one side of the clamping block 15 is provided with an inclined surface, when the placing block 8 is overlapped with the placing groove 9, the clamping block 15 automatically moves towards the direction of the spring groove 13, the clamping block 15 is matched with the clamping groove 12, the inside of the base 1 is slidably connected with a rack 17, the inside of the clamping block 15 is provided with a limiting groove 16, one end of the rack 17 is provided with an ejecting block 18 positioned inside the limiting groove 16, the inside of the base 1 is rotatably connected with a telescopic rod 19, one end of the telescopic rod 19 is fixedly provided with a gear 20, and the gear 20 is meshed with the rack 17, through placing 8 card with 3 lower surfaces of circuit board body in standing groove 9, this moment fixture block 15 receives the extrusion and utilizes the inclined plane of its one side to move to the direction of spring groove 13 automatically, when placing 8 and standing groove 9 complete coincidence, fixture block 15 receives the elasticity of expanding spring 14 and tightly blocks in draw-in groove 12, and rotatable telescopic link 19, under the meshing coupling effect through rack 17 and gear 20, can drive rack 17 and remove, make the kicking block 18 top of rack 17 one end at the inner wall of spacing groove 16, thereby accomplish the installation, when needs overhaul the circuit board, accessible rotates telescopic link 19, control kicking block 18 removes, thereby drive fixture block 15 and keep away from draw-in groove 12, can accomplish the dismantlement, a structure is simple, be convenient for the installation and the dismantlement of circuit board body 3, thereby practice thrift a large amount of manpowers and time.

Protective housing 6's lower fixed surface installs T type piece 10, T type groove 11 has been seted up to base 1's upper surface, T type piece 10 and T type groove 11 looks adaptation, be convenient for protective housing 6's installation and dismantlement, protective housing 6's upper fixed surface installs buffer shim 7, protective housing 6 through setting up, buffer shim 7, T type piece 10 and T type groove 11 mutually support, can block into T type groove 11 of base 1 upper surface with T type piece 10 of protective housing 6 lower surface, make protective housing 6 cover the top at circuit board body 3, play effectual protecting effect, the problem of being damaged easily by the foreign matter extrusion among the prior art has been solved, thereby the life of circuit board has been improved.

In conclusion, when the circuit board with long service life is used, firstly, the base 1 is fixed through the screw hole 2 by screws, then the placing block 8 on the lower surface of the circuit board body 3 is clamped into the placing groove 9, at the same time, the clamping block 15 is extruded and automatically moves towards the spring groove 13 by utilizing the inclined surface on one side, when the placing block 8 and the placing groove 9 are completely overlapped, the clamping block 15 is tightly clamped in the clamping groove 12 by the elastic force of the expansion spring 14, the expansion link 19 can be rotated, the rack 17 can be driven to move under the meshing connection effect of the rack 17 and the gear 20, the jacking block 18 on one end of the rack 17 is propped against the inner wall of the limiting groove 16, one end of the expansion link 19 is pressed, the limiting column 21 is clamped into the limiting hole 22 to limit the rack 17, so that the installation is completed, and the T-shaped block 10 on the lower surface of the protective shell 6 can be clamped into the T-shaped groove 11 on the upper surface of the base 1, make protective housing 6 cover in the top of circuit board body 3, play effectual protecting effect, when needs overhaul the circuit board, accessible pulling telescopic link 19 makes spacing post 21 keep away from spacing hole 22, removes spacing to rack 17, rotates after that, and control kicking block 18 removes to drive fixture block 15 and keep away from draw-in groove 12, can accomplish the dismantlement.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a high life's circuit board, includes base (1), circuit board body (3) and protective housing (6), its characterized in that: the improved structure of the circuit board is characterized in that a placing groove (9) is formed in the upper surface of the base (1), a placing block (8) is fixedly mounted on the lower surface of the circuit board body (3), the placing block (8) is matched with the placing groove (9), a clamping groove (12) is formed in one side of the placing block (8), a spring groove (13) is formed in the base (1), an expansion spring (14) is arranged in the spring groove (13), a clamping block (15) is arranged at one end of the expansion spring (14), the clamping block (15) is matched with the clamping groove (12), a rack (17) is connected to the base (1) in a sliding mode, and a limiting groove (16) is formed in the clamping block (15).

2. A high life circuit board as defined in claim 1, wherein: the one end of rack (17) just is located the inside of spacing groove (16) and is provided with kicking block (18), the inside rotation of base (1) is connected with telescopic link (19), the one end fixed mounting of telescopic link (19) has gear (20), gear (20) are connected with rack (17) meshing.

3. A high lifetime circuit board as defined in claim 2, wherein: spacing hole (22) have been seted up in the outside of base (1), the one end fixed mounting of telescopic link (19) has spacing post (21), spacing post (21) and spacing hole (22) looks adaptation.

4. A high life circuit board as defined in claim 1, wherein: the lower fixed surface of protection casing (6) installs T type piece (10), T type groove (11) have been seted up to the upper surface of base (1), T type piece (10) and T type groove (11) looks adaptation, the last fixed surface of protection casing (6) installs buffer pad (7).

5. A high life circuit board as defined in claim 1, wherein: the upper surface of circuit board body (3) is provided with waterproof layer (4), the upper surface of waterproof layer (4) is provided with dust layer (5).

6. A high life circuit board as defined in claim 1, wherein: screw holes (2) are formed in the base (1) and close to the four corners.