CN212344137U - Special anti-sticking of pcb circuit board is died to fastener with elasticity - Google Patents
Special anti-sticking of pcb circuit board is died to fastener with elasticity Download PDFInfo
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- CN212344137U CN212344137U CN202021304642.8U CN202021304642U CN212344137U CN 212344137 U CN212344137 U CN 212344137U CN 202021304642 U CN202021304642 U CN 202021304642U CN 212344137 U CN212344137 U CN 212344137U
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- circuit board
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- fixed
- elasticity
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Abstract
The utility model discloses a special anti-sticking fastener of elastic pcb circuit board, which comprises a base, wherein two limit blocks are symmetrically fixed on the surface of the base, first limit grooves are respectively arranged on the surfaces of the two limit blocks, a circuit board is arranged on the surface of the base, two corners of one end of the circuit board are embedded into the first limit grooves, and two first sliding grooves are symmetrically arranged on the surface of the base relative to the other two corners of the circuit board; through the stopper and the first spacing groove of design, can advance spacingly to the circuit board, fixed operation after convenient, through sliding block, second spacing groove, first sliding tray, second sliding tray, connecting plate and the spring of design, can fix the circuit board once more, loaded down with trivial details operation when having avoided using the bolt, this structure has certain elasticity, can prevent that the circuit board from being blocked and die.
Description
Technical Field
The utility model belongs to the technical field of the fastener, concretely relates to special anti-sticking of pcb circuit board dies fastener has elasticity.
Background
The fastener is a mechanical part which is used for fastening connection and has extremely wide application. The fastener is widely used in the industry, including energy sources, electronics, electrical appliances, mechanical instruments, supplies and the like, various fasteners can be seen, the fastener is the most widely applied mechanical basic piece, and the pcb circuit board can also be used as a fastener when being fixed.
The fastening of current pcb circuit board is generally through the bolt fastening, but uses the bolt and need use corresponding instrument, can spend more time, has increased operator's intensity of labour, uses the bolt can lead to the surface of circuit board fatigue crack to appear moreover, and the corrosion also can take place for the circuit board card dies on the base.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a have the dead fastener of elastic pcb special anti-sticking of circuit board to solve the problem of proposing among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an elastic anti-blocking fastener special for pcb circuit boards, which comprises a base, wherein two limit blocks are symmetrically fixed on the surface of the base, first limit grooves are respectively arranged on the surfaces of the two limit blocks, the surface of the base is provided with a circuit board, two corners at one end of the circuit board are embedded into the first limiting groove, two first sliding grooves are symmetrically arranged on the surface of the base corresponding to the other two corners of the circuit board, a second sliding groove is arranged on the inner wall surface of each first sliding groove, a sliding block is arranged in the first sliding groove, a connecting plate is fixed at the bottom end of the sliding block, one end of the connecting plate is embedded into the second sliding groove, a spring is connected between one end of the connecting plate and the inner wall of the second sliding groove, a second limiting groove is formed in the top end surface of the sliding block, and the other two corners of the circuit board are embedded into the second limiting groove.
Preferably, a baffle is fixed to the side face of the sliding block, and the baffle is a plastic component.
Preferably, the surface of the base is fixed with a heat dissipation pad, two ends of the heat dissipation pad are symmetrically fixed with two blocking strips, the circuit board is placed between the two blocking strips, and the circuit board is attached to the surface of the heat dissipation pad.
Preferably, a plurality of protrusions are fixed on the inner wall surfaces of the first limiting groove and the second limiting groove, and the protrusions are tightly attached to the surface of the circuit board.
Preferably, a plurality of radiating fins are fixed at the bottom end of the base at equal intervals, and a zinc coating is arranged on the surfaces of the radiating fins.
Compared with the prior art, the beneficial effects of the utility model are that:
1. through the stopper and the first spacing groove of design, can advance spacingly to the circuit board, fixed operation after convenient, through sliding block, second spacing groove, first sliding tray, second sliding tray, connecting plate and the spring of design, can fix the circuit board once more, loaded down with trivial details operation when having avoided using the bolt, this structure has certain elasticity, can prevent that the circuit board from being blocked and die.
2. Through the heat dissipation pad of design, can derive the heat on the circuit board, improve its radiating efficiency, guarantee circuit board steady operation, through the blend stop of design, also can play certain limiting displacement when the fixed circuit board.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a bottom view of the present invention;
fig. 3 is a bottom cross-sectional view of the present invention;
FIG. 4 is an enlarged view of area A of FIG. 3 according to the present invention;
fig. 5 is a top cross-sectional view of the area a of fig. 3 in accordance with the present invention;
FIG. 6 is an enlarged view of area B of FIG. 3 according to the present invention;
FIG. 7 is a schematic structural view of the heat conducting pad of the present invention;
fig. 8 is a side view of the thermal pad of the present invention.
In the figure: 1. a base; 2. a limiting block; 3. blocking strips; 4. a slider; 5. a connecting plate; 6. a circuit board; 7. a heat sink; 8. a first sliding groove; 9. a first limit groove; 10. a second limit groove; 11. a spring; 12. a second sliding groove; 13. a heat dissipation pad.
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 work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1 to 6, the present invention provides a technical solution: an elastic special anti-blocking fastener for pcb circuit boards comprises a base 1, wherein two limiting blocks 2 are symmetrically fixed on the surface of the base 1, first limiting grooves 9 are formed in the surfaces of the two limiting blocks 2, the circuit board 6 can be pre-limited through the designed limiting blocks 2 and the first limiting grooves 9, the fixing operation after the fixing operation is convenient, the circuit board 6 can be fixed again through a designed sliding block 4, a second limiting groove 10, a first sliding groove 8, a second sliding groove 12, a connecting plate 5 and a spring 11, the complex operation during bolt use is avoided, the structure has certain elasticity, the circuit board 6 can be prevented from being blocked, the circuit board 6 is arranged on the surface of the base 1, two corners at one end of the circuit board 6 are embedded into the first limiting grooves 9, the two first sliding grooves 8 are symmetrically formed in the surface of the base 1 relative to the other two corners of the circuit board 6, second sliding tray 12 has been seted up on the inner wall surface of two first sliding trays 8, sliding block 4 has been placed to the inside of first sliding tray 8, sliding block 4's bottom mounting has connecting plate 5, the one end of connecting plate 5 is embedded into the inside of second sliding tray 12, be connected with spring 11 between the one end of connecting plate 5 and the inner wall of second sliding tray 12, second spacing groove 10 has been seted up on sliding block 4's top surface, two other angles of circuit board 6 are embedded into the inside of second spacing groove 10, sliding block 4's side is fixed with the baffle, the baffle is the plastics material component.
Example 2
Referring to fig. 1 to 8, the present invention provides a technical solution: an elastic special anti-blocking fastener for pcb circuit boards comprises a base 1, wherein two limiting blocks 2 are symmetrically fixed on the surface of the base 1, first limiting grooves 9 are formed in the surfaces of the two limiting blocks 2, the circuit board 6 can be pre-limited through the designed limiting blocks 2 and the first limiting grooves 9, the fixing operation after the fixing operation is convenient, the circuit board 6 can be fixed again through a designed sliding block 4, a second limiting groove 10, a first sliding groove 8, a second sliding groove 12, a connecting plate 5 and a spring 11, the complex operation during bolt use is avoided, the structure has certain elasticity, the circuit board 6 can be prevented from being blocked, the circuit board 6 is arranged on the surface of the base 1, two corners at one end of the circuit board 6 are embedded into the first limiting grooves 9, the two first sliding grooves 8 are symmetrically formed in the surface of the base 1 relative to the other two corners of the circuit board 6, second sliding tray 12 has been seted up on the inner wall surface of two first sliding trays 8, sliding block 4 has been placed to the inside of first sliding tray 8, sliding block 4's bottom mounting has connecting plate 5, the one end of connecting plate 5 is embedded into the inside of second sliding tray 12, be connected with spring 11 between the one end of connecting plate 5 and the inner wall of second sliding tray 12, second spacing groove 10 has been seted up on sliding block 4's top surface, two other angles of circuit board 6 are embedded into the inside of second spacing groove 10, sliding block 4's side is fixed with the baffle, the baffle is the plastics material component.
In this embodiment, preferably, the surface of the base 1 is fixed with the heat dissipation pad 13, and the heat dissipation pad 13 through the design can lead out the heat on the circuit board 6, thereby improving the heat dissipation efficiency thereof, ensuring the stable work of the circuit board 6, and through the designed barrier strips 3, the circuit board 6 can also play a certain limiting role when being fixed on the circuit board 6, two barrier strips 3 are symmetrically fixed at two ends of the heat dissipation pad 13, the circuit board 6 is placed between the two barrier strips 3, and the circuit board 6 is attached to the surface of the heat dissipation pad 13.
In this embodiment, preferably, a plurality of protrusions are fixed on the inner wall surfaces of the first limiting groove 9 and the second limiting groove 10, the protrusions can increase the friction force between the circuit board 6 and the first limiting groove 9 and the second limiting groove 10, and the protrusions are tightly attached to the surface of the circuit board 6.
In this embodiment, preferably, a plurality of cooling fins 7 are fixed to the bottom end of the base 1 at equal intervals, and a zinc coating is disposed on the surface of the cooling fins 7, so as to prevent the surface of the cooling fins 7 from being corroded to affect the heat dissipation efficiency.
The utility model discloses a theory of operation and use flow: when the utility model is used, firstly, the sliding block 4 is shifted, so that the bottom end of the sliding block 4 slides in the first sliding groove 8, the sliding block 4 slides and simultaneously drives the connecting plate 5 to slide in the first sliding groove 8 and the second sliding groove 12 in the same direction, at the moment, the connecting plate 5 extrudes the spring 11, so that the spring 11 is stressed to shrink, the sliding block 4 is shifted continuously until the connecting plate 5 is completely embedded in the second sliding groove 12, at the moment, the baffle on the surface of the sliding block 4 covers the surface of the first sliding groove 8, so that foreign matters are prevented from entering the first sliding groove 8, then the circuit board 6 is placed on the surface of the heat dissipation pad 13, so that the heat dissipation pad is embedded between the two baffle strips 3, then the circuit board 6 is pushed to one end, so that the circuit board 6 slides between the two baffle strips 3, and simultaneously, one end of the circuit board 6 is embedded in the first limiting groove 9 on the, after embedding completely, loosen stirred sliding block 4, spring 11 loses behind the extrusion reverse promotion connecting plate 5, connecting plate 5 drives sliding block 4 again and draws close to circuit board 6's the other end at the inside reverse slip of first sliding tray 8, make circuit board 6's the other end embedding to the inside of second spacing groove 10, just all fixed the four corners of second spacing groove 10, fastening efficiency has been improved, the structure has certain elasticity, can prevent that circuit board 6 from being blocked and die, at circuit board 6 during operation, the radiating pad 13 of its lower surface can help improving thermal conduction efficiency, give base 1 with the heat conduction, base 1 gives off in the surrounding environment through a plurality of fin 7 on its surface 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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a dead fastener of special anti-sticking of pcb circuit board with elasticity, includes base (1), its characterized in that: the surface of the base (1) is symmetrically fixed with two limiting blocks (2), the surfaces of the two limiting blocks (2) are respectively provided with a first limiting groove (9), the surface of the base (1) is provided with a circuit board (6), two corners of one end of the circuit board (6) are embedded into the first limiting grooves (9), the surface of the base (1) is symmetrically provided with two first sliding grooves (8) relative to the other two corners of the circuit board (6), the inner wall surfaces of the two first sliding grooves (8) are provided with second sliding grooves (12), sliding blocks (4) are placed inside the first sliding grooves (8), the bottom ends of the sliding blocks (4) are fixed with connecting plates (5), one ends of the connecting plates (5) are embedded into the second sliding grooves (12), and springs (11) are connected between one ends of the connecting plates (5) and the inner walls of the second sliding grooves (12), second spacing groove (10) have been seted up to the top surface of sliding block (4), the inside in second spacing groove (10) is embedded into at two other angles of circuit board (6).
2. The special anti-blocking fastener with elasticity for pcb circuit board of claim 1, wherein: the side of sliding block (4) is fixed with the baffle, the baffle is the plastics material component.
3. The special anti-blocking fastener with elasticity for pcb circuit board of claim 1, wherein: the surface mounting of base (1) has cooling pad (13), the both ends symmetry of cooling pad (13) is fixed with two blend stops (3), place in between two blend stops (3) circuit board (6), laminating mutually on the surface of circuit board (6) and cooling pad (13).
4. The special anti-blocking fastener with elasticity for pcb circuit board of claim 1, wherein: the inner wall surfaces of the first limiting groove (9) and the second limiting groove (10) are fixed with a plurality of bulges, and the bulges are tightly attached to the surface of the circuit board (6).
5. The special anti-blocking fastener with elasticity for pcb circuit board of claim 1, wherein: a plurality of radiating fins (7) are fixed at the bottom end of the base (1) at equal intervals, and a zinc coating is arranged on the surfaces of the radiating fins (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021304642.8U CN212344137U (en) | 2020-07-07 | 2020-07-07 | Special anti-sticking of pcb circuit board is died to fastener with elasticity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021304642.8U CN212344137U (en) | 2020-07-07 | 2020-07-07 | Special anti-sticking of pcb circuit board is died to fastener with elasticity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212344137U true CN212344137U (en) | 2021-01-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021304642.8U Active CN212344137U (en) | 2020-07-07 | 2020-07-07 | Special anti-sticking of pcb circuit board is died to fastener with elasticity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212344137U (en) |
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2020
- 2020-07-07 CN CN202021304642.8U patent/CN212344137U/en active Active
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