Bending-resistant circuit board

Abstract

The utility model provides a bending-resistant circuit board, which relates to the technical field of circuit boards, and comprises a circuit board main body, two side surfaces of the circuit board main body are both provided with reinforcing edges, two side surfaces of each reinforcing edge are both provided with three V-shaped grooves, two sides of each V-shaped groove are both provided with two unloading holes, two mounting grooves are arranged in the circuit board main body, and the circuit board main body is internally provided with two clamping grooves. Reinforcing ribs are arranged in the two mounting grooves, damping blocks are arranged on one sides of the two mounting grooves, and the overall strength and bending resistance of the circuit board main body are improved through the reinforcing edges on the front face and the back face of the circuit board main body; the V-shaped grooves in the left side and the right side of the reinforcing edge and the unloading holes in the two sides of the V-shaped grooves can reduce stress concentration of the circuit board body, so that the circuit board body is protected, the bending resistance of the circuit board body is improved, reinforcing ribs are further installed in the installation grooves in the circuit board body, and the transverse bending resistance strength of the circuit board body is further improved through the reinforcing ribs. The defect that the bending resistance is common is overcome.

Description

TECHNICAL FIELD

[0001] The utility model relates to circuit board technical field especially relates to a bend -resistant circuit board. BACKGROUND

[0002] According to the circuit board of Chinese open (announcement) no. CN205611057U discloses a circuit board, including electrical layer, non - electrical layer, heat conducting layer, the heat conducting layer is a layer of heat conducting adhesive, the heat conducting adhesive is inlayed with a plurality of parallel copper pipes, the copper pipe is parallel with the heat conducting layer, the diameter of copper pipe is less than the thickness of heat conducting layer. The utility model provides a circuit board combines heat conducting layer and copper pipe, simple and practical structure, heat conduction is rapid, can solve the problem of existing circuit board heat conduction.

[0003] The above-mentioned technology and prior art circuit board are generally resistant to bending, and are easily damaged when the circuit board is subjected to impact or shock, thereby reducing the service life of the circuit board. SUMMARY

[0004] The utility model discloses a circuit board which is resistant to bending to solve the problem of poor bending resistance in the prior art.

[0005] To achieve the above object, the utility model adopts the following technical scheme: a bend -resistant circuit board, including circuit board main part, both sides surfaces of circuit board main part are equipped with the reinforced edge, both sides surfaces of reinforced edge are equipped with three V -shaped grooves, both sides of three V -shaped grooves are equipped with two unloading holes, the inside of circuit board main part is equipped with two installation grooves, the inside of two installation grooves is equipped with the reinforcing rib, the side of two installation grooves is equipped with the damping block, the side of two installation grooves away from the damping block is equipped with the cover plate, the surface of two cover plates is equipped with the clamping block, the top surface and bottom surface of circuit board main part are equipped with the clamping groove.

[0006] Preferably, the two reinforced edges are rectangular, and the two reinforced edges cover the edges of the circuit board main body, and the two reinforced edges are integrally formed with the circuit board main body.

[0007] Preferably, the two installation grooves are arranged at positions close to the reinforced edges at the bottom end and the top end of the circuit board main body, and the installation grooves penetrate through the circuit board main body, and the two reinforcing ribs are installed in the installation grooves.

[0008] Preferably, the two damping blocks have consistent vertical central axes, and the two damping blocks cover the installation grooves, and the two damping blocks are integrally formed with the circuit board main body.

[0009] Preferably, the two clamping grooves are arranged at the top surface and the bottom surface of the circuit board body away from the damping block, the two clamping blocks are integrally formed with the cover plate, and the two clamping blocks are arranged in the clamping grooves.

[0010] Preferably, the six V-shaped grooves on the reinforcing edge surface are arranged at the end close to the damping block and the cover plate, and the three V-shaped grooves are arranged at equal intervals.

[0011] Preferably, the unloading holes on the two sides of the V-shaped groove are arranged at equal intervals, and the unloading holes are in parallel with the V-shaped groove.

[0012] Beneficial effects

[0013] In the utility model, the circuit board body is increased in overall strength and bending resistance by the reinforcing edges on the front surface and the back surface, the stress concentration of the circuit board body is reduced by the V-shaped grooves on the left and right sides of the reinforcing edges and the unloading holes on the two sides of the V-shaped grooves, so that the circuit board body is protected and the bending resistance of the circuit board body is improved, and the reinforcing ribs are arranged in the mounting grooves in the circuit board body, so that the transverse bending resistance of the circuit board body is further increased by the reinforcing ribs, and the general performance of the bending resistance is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is an isometric view of the utility model;

[0015] Figure 2 It is a partial perspective view of the utility model;

[0016] Figure 3 It is a top view of the utility model;

[0017] Figure 4 It is a partial perspective view of the utility model; Figure 3 It is a sectional view of A-A of the utility model.

[0018] Legend:

[0019] 1, circuit board body; 2, reinforcing edge; 3, damping block; 4, V-shaped groove; 5, unloading hole; 6, clamping groove; 7, mounting groove; 8, clamping block; 9, cover plate; 10, reinforcing rib. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments and drawings, but the following embodiments are only preferred embodiments of the utility model, not all. Based on the embodiments in the embodiments, other embodiments obtained by those skilled in the art without creative labor all belong to the protection scope of the utility model.

[0021] The specific embodiments of the present application are described below with reference to the accompanying drawings. Embodiment one

[0023] With reference to Figures 1-4 A kind of bend-resistant circuit board, including circuit board main body 1, the two side surfaces of circuit board main body 1 are equipped with reinforcing edge 2, the two side surfaces of reinforcing edge 2 are equipped with three V-shaped grooves 4, the two sides of three V-shaped grooves 4 are equipped with two unloading holes 5, the inside of circuit board main body 1 is equipped with two installation grooves 7, the inside of two installation grooves 7 is equipped with reinforcing rib 10, the side of two installation grooves 7 is equipped with damping block 3, the side of two installation grooves 7 away from damping block 3 is equipped with cover plate 9, the surface of two cover plates 9 is equipped with clamping block 8, the top surface and bottom surface of circuit board main body 1 are equipped with clamping groove 6, two reinforcing edges 2 are rectangular, and two reinforcing edges 2 cover the edge of circuit board main body 1, two reinforcing edges 2 are integrally formed with circuit board main body 1, two installation grooves 7 are arranged at the position of the bottom end and top end of circuit board main body 1 close to reinforcing edge 2, and installation groove 7 penetrates circuit board main body 1, two reinforcing ribs 10 are installed in installation groove 7, the vertical central axes of two damping blocks 3 are consistent, and two damping blocks 3 cover installation groove 7, two damping blocks 3 are integrally formed with circuit board main body 1, two clamping grooves 6 are arranged at the end of the top surface and bottom surface of circuit board main body 1 away from damping block 3, two clamping blocks 8 are integrally formed with cover plate 9, and two clamping blocks 8 are installed in clamping groove 6, six V-shaped grooves 4 on the surface of reinforcing edge 2 are evenly arranged at the end close to damping block 3 and cover plate 9, and three V-shaped grooves 4 are evenly arranged, two V-shaped grooves 4 are evenly arranged on the two sides of unloading hole 5, and unloading hole 5 and V-shaped groove 4 are in parallel state.

[0024] Two reinforced edges 2 are rectangular and cover the edges of the circuit board body 1, the two reinforced edges 2 are integrally formed with the circuit board body 1, the size of the two reinforced edges 2 is the same as that of the circuit board body 1, the two mounting grooves 7 are arranged at the positions of the bottom end and the top end of the circuit board body 1 close to the reinforced edges 2 for mounting the reinforcing ribs 10, the two reinforcing ribs 10 are installed to increase the strength of the circuit board body 1, it should be noted that the reinforcing rib 10 is non-ferrous to prevent the ferrous reinforcing rib 10 from affecting the circuit operation of the circuit board body 1, the reinforcing rib 10 can be a high-strength material such as carbon fiber, the two damping blocks 3 cover the terminal ends of the mounting grooves 7 and block the installed reinforcing ribs 10 to prevent the reinforcing ribs 10 from sliding out of the left side of the mounting grooves 7, the two clamping grooves 6 are arranged at the right end terminals of the top surface and the bottom surface of the circuit board body 1 for mounting the clamping blocks 8 of the cover plate 9, when the clamping blocks 8 of the cover plate 9 are installed in the clamping grooves 6, the cover plate 9 will cover the right end of the mounting groove 7 to prevent the reinforcing rib 10 from sliding out of the right side of the mounting groove 7 after installation, when the clamping blocks 8 of the cover plate 9 are installed in the clamping grooves 6, the clamping blocks 8 of the cover plate 9 can be fixed in the clamping grooves 6 by screws to prevent the clamping blocks 8 of the cover plate 9 from falling out of the clamping grooves 6 of the circuit board body 1, the six V-shaped grooves 4 on the surface of the reinforced edge 2 are evenly arranged at the left end and the right end of the reinforced edge 2 in groups of every three, the unloading holes 5 on the two sides of the two V-shaped grooves 4 are arranged at equal intervals, and the two unloading holes 5 are large and small, the V-shaped grooves 4 and the unloading holes 5 are used to reduce stress concentration and thus protect the circuit board body 1.

[0025] The circuit board body 1 increases the overall strength and bending resistance of the circuit board body 1 through the reinforced edges 2 on the front and back surfaces, when the circuit board body is subjected to extrusion force, the V-shaped grooves 4 on the left and right sides of the reinforced edges 2 and the unloading holes 5 on the two sides of the V-shaped grooves 4 reduce the stress concentration of the circuit board body 1, prevent the circuit board body 1 from being excessively concentrated by stress and bending out of the circuit board body 1, thus protecting the circuit board body 1 and improving the bending resistance of the circuit board body 1, the reinforcing rib 10 is also installed in the mounting groove 7 inside the circuit board body 1 to further increase the transverse bending resistance of the circuit board body 1. Specific embodiment two:

[0027] Reference Figures 1-4 A bending-resistant circuit board further based on the basic structure in specific embodiment one, when the reinforcing rib 10 inside the circuit board body 1 is broken by impact or the strength of the circuit board body 1 needs to be changed, the screws fixing the clamping blocks 8 of the cover plate 9 can be removed, and the clamping blocks 8 of the cover plate 9 can be pulled out of the clamping grooves 6, after pulling out, the reinforcing rib 10 in the mounting groove 7 of the circuit board body 1 can be replaced with a new one or a higher-strength one, after the new reinforcing rib 10 is installed, the clamping blocks 8 of the cover plate 9 are installed in the clamping grooves 6 of the circuit board body 1 and fixed with screws, so that the cover plate 9 can cover the mounting groove 7.

[0028] In summary:

[0029] 1. The utility model discloses a circuit board main body 1 passes through the reinforcement edge 2 of front and back and adds the overall strength and the bending -resistant of circuit board main body 1, and the V -shaped groove 4 of reinforcement edge 2 left and right sides and the unloading hole 5 of V -shaped groove 4 both sides will reduce the stress concentration of circuit board main body 1 to protect circuit board main body 1 and improve the bending -resistant of circuit board main body 1, and still install the reinforcing rib 10 in the mounting groove 7 of circuit board main body 1, further increase the transverse bending -resistant strength of circuit board main body 1 through reinforcing rib 10, solved the shortcoming of the general performance of bending -resistant performance aspect.

[0030] In the utility model, unless another definite provision and limitation, first feature is in second feature " on " or " below " can include that first and second features are directly contacted, also can include that first and second features are not directly contacted and is contacted through additional feature between them. Moreover, first feature is in second feature " on " " above " and " upper surface " include that first feature is directly above and oblique above of second feature, or just indicate that the horizontal height of first feature is higher than second feature. First feature is in second feature " below " " below " and " lower surface " include that first feature is directly below and oblique below of second feature, or just indicate that the horizontal height of first feature is less than second feature.

[0031] The basic principle, main features and advantages of the utility model are shown and described above. The skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A flexible printed circuit board comprising a printed circuit board body (1), characterized in that: The both sides of the circuit board body (1) are equipped with reinforcing edges (2), the both sides of the reinforcing edges (2) are equipped with three V-shaped grooves (4), the both sides of the three V-shaped grooves (4) are equipped with two unloading holes (5), the inside of the circuit board body (1) is equipped with two installation grooves (7), the inside of the two installation grooves (7) is equipped with reinforcing ribs (10), one side of the two installation grooves (7) is equipped with damping blocks (3), the side, away from the damping blocks (3), of the two installation grooves (7) is equipped with cover plates (9), the surface of the two cover plates (9) is equipped with clamping blocks (8), the top surface and the bottom surface of the circuit board body (1) are equipped with clamping grooves (6).

2. The flexible circuit board of claim 1, wherein: The two reinforcing edges (2) are rectangular, and the two reinforcing edges (2) cover the edges of the circuit board body (1), and the two reinforcing edges (2) are integrally formed with the circuit board body (1).

3. The flexible circuit board of claim 1, wherein: The two installation grooves (7) are vertically arranged at the bottom end and the top end of the circuit board body (1) close to the reinforcing edges (2), and the installation grooves (7) penetrate the circuit board body (1), and the two reinforcing ribs (10) are installed in the installation grooves (7).

4. The flexible circuit board of claim 1, wherein: The vertical central axes of the two damping blocks (3) are consistent, and the two damping blocks (3) cover the installation grooves (7), and the two damping blocks (3) are integrally formed with the circuit board body (1).

5. The flexible circuit board of claim 1, wherein: The two clamping grooves (6) are vertically arranged at the top surface and the bottom surface of the circuit board body (1) away from the damping blocks (3), the two clamping blocks (8) are integrally formed with the cover plates (9), and the two clamping blocks (8) are installed in the clamping grooves (6).

6. The flexible circuit board of claim 1, wherein: The six V-shaped grooves (4) on the surface of the reinforcing edge (2) are uniformly arranged at one end close to the damping block (3) and the cover plate (9), and the three V-shaped grooves (4) are equally spaced.

7. The flexible circuit board of claim 1, wherein: The two unloading holes (5) on the both sides of the V-shaped groove (4) are equally spaced, and the unloading hole (5) is in parallel with the V-shaped groove (4).

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