CN219395122U

CN219395122U - FPC flexible line with bilayer connection structure

Info

Publication number: CN219395122U
Application number: CN202222739433.1U
Authority: CN
Inventors: 王田林
Original assignee: Shenzhen Xingzu Technology Co ltd
Current assignee: Shenzhen Xingzu Technology Co ltd
Priority date: 2022-10-18
Filing date: 2022-10-18
Publication date: 2023-07-21
Anticipated expiration: 2032-10-18

Abstract

The utility model discloses an FPC flexible circuit with a double-layer connection structure, which comprises a circuit board main body and a mounting seat, wherein mounting heads are fixedly connected to two ends of the circuit board main body, grooves are formed in two sides of the mounting heads, springs are fixedly connected to one sides of inner walls of the two grooves, clamping blocks are fixedly connected to one ends of the two springs, clamping blocks are clamped on surfaces of the two clamping blocks, the two clamping blocks are respectively arranged on two sides of the mounting seat, heat conducting fins are fixedly connected to two ends of the top end of the circuit board main body, heat radiating fins are fixedly connected to the top end of the heat conducting fins, and heat radiating holes are formed in two sides of the top end of the circuit board main body.

Description

FPC flexible line with bilayer connection structure

Technical Field

The utility model relates to the field of circuit boards, in particular to an FPC flexible circuit with a double-layer connection structure.

Background

The FPC flexible printed circuit is a flexible printed circuit which is made of polyimide or polyester film as a base material and has high reliability and excellent performance.

The two sides of the double-layer circuit board can be provided with wires, and the double-layer FPC is suitable for being used on more complex circuits, but the existing double-layer FPC flexible circuit is installed in a bolt or welding mode during installation, special tools are needed during disassembly and assembly, the double-layer FPC flexible circuit is not convenient and efficient enough, the circuit board is easy to heat during operation, and the stable operation of the double-layer FPC flexible circuit can be influenced when the temperature is too high, so that the double-layer FPC flexible circuit with the double-layer connection structure is provided.

Disclosure of Invention

The utility model aims to provide an FPC flexible circuit with a double-layer connection structure, which solves the problems that the existing double-layer FPC flexible circuit is installed in a bolt or welding mode in the prior art, a special tool is needed to be used for dismounting, the circuit board is inconvenient and efficient, the circuit board is easy to heat in working, and the stable operation of the circuit board is influenced when the temperature is too high.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a FPC flexible line with bilayer connection structure, includes circuit board main part and mount pad, the equal fixedly connected with installation head in both ends of circuit board main part, the recess has all been seted up to the both sides of installation head, two the equal fixedly connected with spring in one side of recess inner wall, two the equal fixedly connected with fixture block of one end of spring, two the equal block in surface of fixture block has the bayonet socket, and two the bayonet socket is seted up respectively in the both sides of mount pad, the equal fixedly connected with conducting strip in both ends on circuit board main part top, the top fixedly connected with heat radiation fin of conducting strip, the louvre has all been seted up to the both sides on circuit board main part top.

When the FPC flexible circuit with the double-layer connection structure is used, the double-layer circuit board main body is convenient to assemble and disassemble, more efficient, and the heat conducting fin and the heat radiating fin are arranged, so that heat in the circuit board main body is conducted to the heat radiating fin to be dissipated, and stable operation of the circuit board during operation is guaranteed.

As a preferable technical scheme of the utility model, the two sides of the clamping block are fixedly connected with the sliding blocks, the surfaces of the two sliding blocks are respectively and slidably connected with the sliding grooves, and the two sliding grooves are respectively arranged on the two sides of the inner wall of the groove. The sliding block and the sliding groove can limit and guide the movement of the clamping block.

As a preferable technical scheme of the utility model, the surface of the clamping block is provided with a curved surface. The curved surface is arranged so that the clamping block can retract automatically when the mounting head is inserted into the mounting groove.

As a preferable technical scheme of the utility model, the surface of the circuit board main body is coated with an anti-corrosion coating. The anti-corrosion coating makes the circuit board not easy to be corroded and damaged.

As a preferable technical scheme of the utility model, the surface of the anti-corrosion coating is coated with a dampproof coating. The dampproof coating makes the circuit board not easy to be damaged by damp.

As a preferable technical scheme of the utility model, the surface of the moisture-proof coating is coated with a wear-resistant coating. The wear-resistant coating ensures that the surface of the circuit board is not easy to scratch.

As a preferable technical scheme of the utility model, the inside of the circuit board main body is uniformly and fixedly connected with a plurality of longitudinal reinforcing ribs. The strength of the circuit board is improved by arranging the longitudinal reinforcing ribs.

As a preferable technical scheme of the utility model, the surfaces of the longitudinal reinforcing ribs are fixedly connected with the transverse reinforcing ribs. The transverse reinforcing ribs further improve the strength of the circuit board.

Compared with the prior art, the utility model has the beneficial effects that:

1. through fixing the mounting seats on two sides at the mounting position in advance, when the circuit board main body is mounted, only the mounting heads on two sides are required to be inserted into the mounting seats, the clamping blocks are ejected out to be clamped with the bayonet under the action of the springs, the fixation is completed, and the clamping blocks are pressed back into the grooves to be released for fixation when the circuit board main body is dismounted, so that the circuit board main body is convenient to mount and dismount and more efficient;

2. the radiating holes are formed in the circuit board main body, so that the radiating effect of the circuit board is improved, the heat conducting fins and the radiating fins are arranged, the heat conducting fins can improve the heat conduction efficiency, heat in the circuit board main body is conducted to the radiating fins to be dissipated, and therefore stable operation of the circuit board in operation is guaranteed.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a top cross-sectional view of the mount of the present utility model;

FIG. 3 is a partial cross-sectional view of the circuit board body of the present utility model;

fig. 4 is a top cross-sectional view of the circuit board of the present utility model.

In the figure: 1. a circuit board main body; 2. a mounting head; 3. a groove; 4. a spring; 5. a clamping block; 6. a curved surface; 7. a slide block; 8. a chute; 9. a mounting base; 10. a bayonet; 11. a heat conductive sheet; 12. a heat radiation fin; 13. a heat radiation hole; 14. an anti-corrosion coating; 15. a moisture-resistant coating; 16. a wear-resistant coating; 17. transverse reinforcing ribs; 18. longitudinal reinforcing ribs.

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. 1-4, the utility model provides an FPC flexible circuit with a double-layer connection structure, which comprises a circuit board main body 1 and a mounting seat 9, wherein both ends of the circuit board main body 1 are fixedly connected with mounting heads 2, both sides of the mounting heads 2 are provided with grooves 3, one side of the inner walls of the two grooves 3 is fixedly connected with springs 4, one ends of the two springs 4 are fixedly connected with clamping blocks 5, the springs 4 can eject the clamping blocks 5 outwards, the surfaces of the two clamping blocks 5 are clamped with clamping openings 10, the two clamping openings 10 are respectively arranged at both sides of the mounting seat 9, the circuit board main body 1 can be disassembled and assembled by pressing the clamping blocks 5, both ends of the top end of the circuit board main body 1 are fixedly connected with heat conducting fins 11, the top ends of the heat conducting fins 11 are fixedly connected with heat radiating fins 12, both sides of the top end of the circuit board main body 1 are provided with heat radiating holes 13, and the heat radiating effect is improved.

When the circuit board is used, the mounting seats 9 on two sides are fixed at the mounting positions in advance, when the circuit board main body 1 is mounted, the mounting heads 2 on two sides are only required to be inserted into the mounting seats 9, the clamping blocks 5 are ejected out under the action of the springs 4 and can be clamped with the bayonets 10 to finish the fixation, and the clamping blocks 5 are pressed back into the grooves 3 to be released for fixation when the circuit board is dismounted, so that the double-layer circuit board main body 1 is convenient and more efficient to mount and dismount, and the heat dissipation effect of the circuit board is improved by arranging the heat dissipation holes 13 on the circuit board main body 1, and the silica gel heat conducting fins 11 and the heat dissipation fins 12 are arranged, so that the heat conducting efficiency of the heat conducting fins 11 can be improved, and the heat on the circuit board main body 1 is favorably conducted to the heat dissipation fins 12 to dissipate, and therefore the stable operation of the circuit board during operation is ensured;

the two sides of the clamping block 5 are fixedly connected with the sliding blocks 7, the surfaces of the two sliding blocks 7 are respectively and slidably connected with the sliding grooves 8, the two sliding grooves 8 are respectively formed in the two sides of the inner wall of the groove 3, the limiting and guiding functions are achieved, the curved surface 6 is formed in the surface of the clamping block 5, the installation is convenient, a plurality of longitudinal reinforcing ribs 18 are uniformly and fixedly connected in the circuit board main body 1, a plurality of transverse reinforcing ribs 17 are fixedly connected in the surface of the plurality of longitudinal reinforcing ribs 18, and the strength is improved;

when the mounting head 2 is put into the mounting seat 9 through the arranged curved surface 6, the curved surface 6 is arranged, the clamping block 5 automatically retracts into the groove 3 after extrusion, the sliding block 7 and the sliding groove 8 can play a role in guiding and limiting the movement of the clamping block 5, and the strength of a circuit board can be improved and the circuit board is not easy to damage through the crisscross reinforcing ribs;

the surface of the circuit board main body 1 is coated with an anti-corrosion coating 14, the surface of the anti-corrosion coating 14 is coated with a dampproof coating 15, and the surface of the dampproof coating 15 is coated with a wear-resistant coating 16, so that the protection performance is improved;

during the use, through the anticorrosive coating 14 that sets up, adopt the epoxy material for the circuit board surface is difficult for being corroded, through the dampproofing coating 15 that sets up, adopts the vinyl chloride material, makes the circuit board be difficult for damaging by moisture, through the wear-resisting coating 16 that sets up, adopts the polymer ceramic granule, makes circuit board main part 1 surface difficult wearing and tearing more durable.

When the FPC flexible circuit with the double-layer connection structure is particularly used, both sides of the circuit board main body 1 can be wired, during installation, the installation seats 9 on both sides are fixed at the installation positions in advance, when the circuit board main body 1 is installed, the installation heads 2 on both sides are only required to be inserted into the installation seats 9, the clamping blocks 5 are ejected out under the action of the springs 4 and can be clamped with the bayonets 10 to complete fixation, and the clamping blocks 5 are pressed back into the grooves 3 during disassembly to release fixation, so that the double-layer circuit board main body 1 is convenient and more efficient to assemble and disassemble, the heat dissipation effect of the circuit board is improved by arranging the heat dissipation holes 13 on the circuit board main body 1, and the heat dissipation fins 12 and the silica gel heat conduction sheets 11 are arranged, so that the heat conduction efficiency of the circuit board main body 1 can be improved, and the heat dissipation fins 12 can be conveniently conducted to the heat dissipation efficiency, and the stable operation of the circuit board during operation is ensured.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a FPC flexible line with bilayer connection structure, includes circuit board main part (1) and mount pad (9), its characterized in that: the circuit board comprises a circuit board main body (1), wherein two ends of the circuit board main body (1) are fixedly connected with mounting heads (2), two sides of the mounting heads (2) are respectively provided with grooves (3), one side of the inner wall of each groove (3) is fixedly connected with a spring (4), one end of each spring (4) is fixedly connected with a clamping block (5), two surfaces of the clamping blocks (5) are respectively clamped with a bayonet (10), the two bayonets (10) are respectively arranged on two sides of a mounting seat (9), two ends of the top of the circuit board main body (1) are respectively fixedly connected with heat conducting fins (11), the top of each heat conducting fin (11) is fixedly connected with heat radiating fins (12), and two sides of the top of the circuit board main body (1) are respectively provided with heat radiating holes (13).

2. The FPC flexible line having a double-layer connection structure according to claim 1, wherein: both sides of fixture block (5) are all fixedly connected with slider (7), two the surface of slider (7) is all sliding connection has spout (8), and two spout (8) are seted up respectively in the both sides side of recess (3) inner wall.

3. The FPC flexible line having a double-layer connection structure according to claim 1, wherein: the surface of the clamping block (5) is provided with a curved surface (6).

4. The FPC flexible line having a double-layer connection structure according to claim 1, wherein: the surface of the circuit board main body (1) is coated with an anti-corrosion coating (14).

5. The FPC flexible line having a double-layer connection structure according to claim 4, wherein: the surface of the anti-corrosion coating (14) is coated with a dampproof coating (15).

6. The FPC flexible line with a double-layer connection structure according to claim 5, wherein: the surface of the moistureproof coating (15) is coated with a wear-resistant coating (16).

7. The FPC flexible line with a double-layer connection structure according to claim 6, wherein: the inside of circuit board main part (1) evenly fixedly connected with a plurality of vertical strengthening rib (18).

8. The FPC flexible line with a double-layer connection structure according to claim 7, wherein: the surfaces of the longitudinal reinforcing ribs (18) are fixedly connected with transverse reinforcing ribs (17).