CN216357480U - PCB circuit board with anti-electromagnetic interference - Google Patents
PCB circuit board with anti-electromagnetic interference Download PDFInfo
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- CN216357480U CN216357480U CN202123054041.3U CN202123054041U CN216357480U CN 216357480 U CN216357480 U CN 216357480U CN 202123054041 U CN202123054041 U CN 202123054041U CN 216357480 U CN216357480 U CN 216357480U
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- circuit board
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- electromagnetic interference
- main body
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Abstract
The utility model discloses a PCB circuit board with anti-electromagnetic interference, which comprises a circuit board body, wherein the circuit board body comprises a circuit board main body, a shielding cover is clamped at the top of the circuit board main body, a bayonet is arranged at the inner side of the circuit board main body, a clamping groove is arranged at the bottom of the shielding cover, a guide rod is clamped at the inner side of the clamping groove, a spring is welded at the top of the guide rod, an elastic sheet is welded at the bottom of the shielding cover, a clamping block is welded at the bottom of the elastic sheet, silicone grease is arranged at the inner side of the shielding cover, the PCB circuit board with anti-electromagnetic interference can rapidly carry out installation and disassembly work on the shielding cover, is convenient for carrying out inspection and maintenance work on the circuit board main body, can carry out heat dissipation work on electronic elements on the circuit board main body by using the silicone grease when in work, rapidly dissipate the generated heat outwards, and avoids the electronic elements from being damaged due to high temperature, the work safety of guarantee circuit board main part is applicable to electronic component's support and connection and uses.
Description
Technical Field
The utility model relates to the technical field of PCB (printed circuit board) equipment, in particular to a PCB with anti-electromagnetic interference function.
Background
The PCB circuit board is named as a printed circuit board, can provide mechanical support for fixing and assembling various electronic components such as an integrated circuit and the like, realizes wiring, electrical connection or electrical insulation among the various electronic components such as the integrated circuit and the like, provides required electrical characteristics, basically has the advantages of improving the high density, high reliability, facilitating circuit layout of different shapes, facilitating assembly and maintenance, high automatic production efficiency, long service life and the like of the integrated circuit, can meet the use requirements of the assembly and the work of the integrated circuit, on one hand, when the PCB is used, in order to ensure that some electronic elements are not interfered by electromagnetic waves, the shielding cover is required to shield the electromagnetic waves, so that the shielding cover is inconvenient to mount and dismount, and the overhauling work of the PCB is influenced; on the other hand, the electronic element can not be quickly cooled, and the work safety of the PCB circuit board is not ensured easily due to the over-high temperature.
Therefore, how to design a PCB with anti-electromagnetic interference becomes a problem to be solved currently.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a PCB with anti-electromagnetic interference function, which solves the problems in the prior art.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a PCB circuit board with anti-electromagnetic interference, includes the circuit board body, the circuit board body includes the circuit board main part, the top card of circuit board main part has the shield cover, the bayonet socket has been seted up to the inboard of circuit board main part, the draw-in groove has been seted up to the bottom of shield cover, the inboard card of draw-in groove has the guide arm, the top welding of guide arm has the spring, the bottom welding of shield cover has the shell fragment, the bottom welding of shell fragment has the fixture block, the inboard of shield cover is provided with the silicone grease, the spout has been seted up on the inner wall at the top of shield cover, the inboard card of spout has the slider, the mounting hole has been seted up all around to the circuit board main part.
As a preferred embodiment of the present invention, the top of the elastic sheet is welded to the bottom of the shielding case, the bottom of the elastic sheet passes through the bayonet and extends to the bottom of the bayonet, and the clamping block is clamped at the bottom of the bayonet.
As a preferred embodiment of the present invention, the top of the guide bar is connected to the top of the slot by a spring, and one side of the guide bar extends to the outer side of the slot.
As a preferred embodiment of the present invention, the bottom of the spring plate is integrally formed with an inner block, and the bottom end of the guide rod passes through the inner side of the spring plate and is clamped at the top of the inner block.
In a preferred embodiment of the present invention, the sliding grooves are distributed criss-cross on an inner wall of a top portion of the shield case, and the top portion of the slider is caught inside the sliding grooves.
As a preferred embodiment of the present invention, the bottom of the slider passes through the sliding slot and is connected to the top of the silicone grease, and the bottom of the silicone grease is clamped on the top of the circuit board main body.
Has the advantages that: 1. this PCB circuit board with anti-electromagnetic interference, owing to be provided with circuit board main part, shield cover, bayonet socket, draw-in groove, guide arm, spring, shell fragment, fixture block, silicone grease, spout, slider and mounting hole, can utilize the shield cover to protect the electronic component in the circuit board main part effectively, avoid electromagnetic interference electronic component's work, simultaneously can be quick install and dismantle work to the shield cover, be convenient for inspect and maintenance work to the circuit board main part.
2. This PCB circuit board with anti-electromagnetic interference, owing to be provided with circuit board main part, shield cover, bayonet socket, draw-in groove, guide arm, spring, shell fragment, fixture block, silicone grease, spout, slider and mounting hole, can utilize the silicone grease to carry out the work of dispelling the heat to the electronic component in the circuit board main part effectively at the during operation, outwards spill the heat that produces fast, avoid electronic component impaired because of high temperature, ensure the work safety of circuit board main part.
3. The PCB circuit board with the anti-electromagnetic interference function is reasonable in design, high-efficient and convenient to use, and suitable for supporting and connecting electronic elements.
Drawings
FIG. 1 is a schematic structural diagram of a PCB circuit board with anti-electromagnetic interference according to the present invention;
FIG. 2 is a cross-sectional view of a PCB circuit board with anti-electromagnetic interference of the present invention;
FIG. 3 is a cross-sectional view of a card slot of a PCB circuit board with anti-electromagnetic interference of the present invention;
FIG. 4 is a bottom view of a shield can of a PCB circuit board with anti-electromagnetic interference of the present invention;
in the figure: 1. a circuit board main body; 2. a shield case; 3. a bayonet; 4. a card slot; 5. a guide bar; 6. a spring; 7. a spring plate; 8. a clamping block; 9. silicone grease; 10. a chute; 11. a slider; 12. and (7) installing holes.
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 PCB circuit board with anti-electromagnetic interference comprises a circuit board body, wherein the circuit board body comprises a circuit board main body 1, a shielding cover 2 is clamped at the top of the circuit board main body 1, a bayonet 3 is arranged at the inner side of the circuit board main body 1, a clamping groove 4 is arranged at the bottom of the shielding cover 2, a guide rod 5 is clamped at the inner side of the clamping groove 4, a spring 6 is welded at the top of the guide rod 5, an elastic sheet 7 is welded at the bottom of the shielding cover 2, a clamping block 8 is welded at the bottom of the elastic sheet 7, silicone grease 9 is arranged at the inner side of the shielding cover 2, a sliding groove 10 is arranged on the inner wall of the top of the shielding cover 2, a sliding block 11 is clamped at the inner side of the sliding groove 10, mounting holes 12 are arranged at the periphery of the circuit board main body 1, when the PCB circuit board works, external electromagnetic waves are effectively shielded by the shielding cover, and interference of the electromagnetic waves on electronic elements is avoided, the working stability of the electronic element is guaranteed.
As a preferred embodiment of the present invention, the top of the elastic sheet 7 is welded to the bottom of the shielding case 2, the bottom of the elastic sheet 7 passes through the bayonet 3 and extends to the bottom of the bayonet 3, and the fixture block 8 is clamped at the bottom of the bayonet 3.
As a preferred embodiment of the present invention, the top of the guide rod 5 is connected to the top of the slot 4 through a spring 6, one side of the guide rod 5 extends to the outer side of the slot 4, when the shield case needs to be mounted on the circuit board main body 1, the guide rod 5 is pushed upward first, so that the bottom of the guide rod 5 moves to bring the top of the elastic piece 7, the fixture block 8 is aligned to the top of the slot 3, and the shield case 2 is pushed downward, so that the fixture block 8 first pushes the elastic piece 7 inward, after the fixture block 8 moves to the bottom of the slot 3, the fixture block 8 is sprung outward by the elastic piece 7, after the guide rod 5 is released, the guide rod 5 is pushed downward to the bottom of the elastic piece 7 by the spring 6, the elastic piece 7 and the fixture block 8 are fixed by the guide rod 5, the elastic piece 7 and the fixture block 8 are fixed to the inner side of the slot 3, and the shield case 2 is then fixed quickly, when the shield case needs to be dismounted, the guide rod 5 is pulled upward first, and then the shielding case 2 is pulled out, so that the shielding case 2 can be disassembled, and the circuit board main body 1 can be conveniently checked and maintained.
As a preferred embodiment of the present invention, the bottom of the spring plate 7 is integrally formed with an inner block, and the bottom end of the guide rod 5 passes through the inner side of the spring plate 7 and is clamped at the top of the inner block, so that the inner block can be effectively utilized to limit the guide rod 5, and the guide rod is prevented from moving to the bottom of the circuit board main body 1 to generate an influence.
In a preferred embodiment of the present invention, the sliding grooves 10 are distributed criss-cross on the inner wall of the top of the shielding case 2, and the top of the slider 11 is engaged with the inner side of the sliding grooves 10.
As a preferred embodiment of the present invention, the bottom of the slider 11 passes through the sliding slot 10 and is connected to the top of the silicone grease 9, the bottom of the silicone grease 9 is clamped at the top of the circuit board main body 1, before the shield case 2 is mounted, the silicone grease 9 is moved in the sliding slot 10 through the slider 11 according to the position of the electronic component on the circuit board main body 1, so that the silicone grease 9 is moved to the top of the electronic component which generates more heat, after the shield case 2 is mounted, the silicone grease 9 is clamped at the top of the electronic component, the generated heat can be rapidly transferred to the top of the shield case 2 through the silicone grease 9, the heat dissipation area is increased through the shield case 2, the heat dissipation rate is increased, the electronic component is prevented from being damaged due to high temperature, and the work safety of the circuit board main body is ensured.
When the PCB circuit board with the anti-electromagnetic interference function works, external electromagnetic waves are effectively shielded through the shielding cover, the interference of the electromagnetic waves on an electronic element is avoided, the working stability of the electronic element is guaranteed, when the shielding cover needs to be installed on the circuit board main body 1, the guide rod 5 is firstly pushed upwards, the bottom of the guide rod 5 is enabled to move to the top with the elastic sheet 7, the clamping block 8 is aligned to the top of the bayonet 3, the shielding cover 2 is pushed downwards, the clamping block 8 firstly pushes the elastic sheet 7 inwards, after the clamping block 8 moves to the bottom of the bayonet 3, the clamping block 8 is outwards flicked by the elastic sheet 7, after the guide rod 5 is loosened, the guide rod 5 is pushed downwards to the bottom of the elastic sheet 7 by the spring 6, the elastic sheet 7 and the clamping block 8 are fixed through the guide rod 5, the elastic sheet 7 and the clamping block 8 are fixed on the inner side of the bayonet 3, the shielding cover 2 is further quickly fixed, when the shielding cover 2 needs to be disassembled, firstly stimulate guide arm 5 upwards, outwards extract shield cover 2 again, can dismantle shield cover 2, conveniently inspect and maintenance work to circuit board main part 1, before installation shield cover 2, according to the electronic component's on the circuit board main part 1 position, remove silicone grease 9 in spout 10 through slider 11, make silicone grease 9 remove the more electronic component's of heat production top, after shield cover 2 installs, silicone grease 9 card is at electronic component's top, the heat of production can be through the quick top of transmitting for shield cover 2 of silicone grease 9, and through shield cover 2 increase heat radiating area, improve the rate of heat dissipation, avoid electronic component because of high temperature impaired, guarantee circuit board main part's work safety.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a PCB circuit board with anti-electromagnetic interference, includes the circuit board body, its characterized in that: the circuit board body includes circuit board main part (1), the top card of circuit board main part (1) has shield cover (2), bayonet socket (3) have been seted up to the inboard of circuit board main part (1), draw-in groove (4) have been seted up to the bottom of shield cover (2), the inboard card of draw-in groove (4) has guide arm (5), the top welding of guide arm (5) has spring (6), the bottom welding of shield cover (2) has shell fragment (7), the bottom welding of shell fragment (7) has fixture block (8), the inboard of shield cover (2) is provided with silicone grease (9), spout (10) have been seted up on the inner wall at the top of shield cover (2), the inboard card of spout (10) has slider (11), mounting hole (12) have been seted up all around of circuit board main part (1).
2. The PCB circuit board with anti-electromagnetic interference of claim 1, wherein: the top of the elastic sheet (7) is welded at the bottom of the shielding case (2), the bottom of the elastic sheet (7) penetrates through the bayonet (3) and extends to the bottom of the bayonet (3), and the clamping block (8) is clamped at the bottom of the bayonet (3).
3. The PCB circuit board with anti-electromagnetic interference of claim 1, wherein: the top of guide arm (5) is connected with the top of draw-in groove (4) through spring (6), one side of guide arm (5) extends to the outside side of draw-in groove (4).
4. The PCB circuit board with anti-electromagnetic interference of claim 1, wherein: the bottom of the elastic sheet (7) is integrally formed with an inner block, and the bottom end of the guide rod (5) penetrates through the inner side of the elastic sheet (7) and is clamped at the top of the inner block.
5. The PCB circuit board with anti-electromagnetic interference of claim 1, wherein: the sliding grooves (10) are distributed on the inner wall of the top of the shielding case (2) in a criss-cross mode, and the top of the sliding block (11) is clamped on the inner side of the sliding grooves (10).
6. The PCB circuit board with anti-electromagnetic interference of claim 1, wherein: the bottom of the sliding block (11) penetrates through the sliding groove (10) and is connected to the top of the silicone grease (9), and the bottom of the silicone grease (9) is clamped on the top of the circuit board main body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123054041.3U CN216357480U (en) | 2021-12-07 | 2021-12-07 | PCB circuit board with anti-electromagnetic interference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123054041.3U CN216357480U (en) | 2021-12-07 | 2021-12-07 | PCB circuit board with anti-electromagnetic interference |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216357480U true CN216357480U (en) | 2022-04-19 |
Family
ID=81162082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123054041.3U Active CN216357480U (en) | 2021-12-07 | 2021-12-07 | PCB circuit board with anti-electromagnetic interference |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216357480U (en) |
-
2021
- 2021-12-07 CN CN202123054041.3U patent/CN216357480U/en active Active
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