Brake disc

Abstract

The utility model provides a brake disc which comprises a disc body, and an annular hollow disc is formed on the outer edge of the disc body. Wherein the annular hollow disc is provided with a first annular disc surface and a second annular disc surface which are arranged in parallel and are spaced from each other, and a heat dissipation channel is formed between the two annular disc surfaces; therefore, the brake disc capable of greatly increasing the heat dissipation surface area and improving the heat dissipation efficiency is formed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of brake disc suitable for bicycle use, in particular to a kind of brake disc that can increase heat dissipation surface area, and improve the heat dissipation effect. BACKGROUND

[0002] Heat dissipation problem is always the problem that brake disc needs to constantly improve to solve, because once brake disc exists heat dissipation problem, brake disc in high temperature state for a long time, it is easy to occur the situation of disc surface deformation or unevenness. When the contact surface of brake disc and brake pad once appears deformation or unevenness, brake force will be significantly reduced, and safety doubts will be produced.

[0003] In order to improve heat dissipation efficiency, many brake discs seen on the market will be provided with multiple holes on disc surface under the premise of being able to maintain certain structural strength and avoiding brake disc surface deformation, so as to increase the heat dissipation area of brake disc.

[0004] However, the way of increasing holes to increase heat dissipation efficiency will lead to the reduction of contact area between brake disc and brake pad, resulting in the reduction of brake force efficiency. If the number of holes is too small, the improved heat dissipation efficiency will be relatively poor. SUMMARY

[0005] Therefore, the main purpose of the utility model is to provide a feasible alternative solution that is different from the existing brake disc and can significantly and effectively improve the heat dissipation efficiency of brake disc.

[0006] Therefore, the utility model provides a feasible solution that can achieve the above purpose, and provides a brake disc that is different from the known brake disc. The utility model provides a brake disc, which comprises a disc body, and an annular hollow disc is formed at the outer edge of the disc body. The annular hollow disc has a first annular disc surface and a second annular disc surface which are arranged in parallel and have a spacing, the first annular disc surface and the second annular disc surface are connected by a plurality of connecting pieces, and a heat dissipation channel is formed between the first annular disc surface and the second annular disc surface.

[0007] The first annular disc surface and the second annular disc surface are provided with a plurality of grooves on the surface.

[0008] The connecting piece comprises a plurality of positioning pieces distributed between the first annular disc surface and the second annular disc surface.

[0009] The connecting piece comprises a plurality of air flow guides distributed between the first annular disc surface and the second annular disc surface.

[0010] The brake disc, wherein: the cross section of the air guide is curved.

[0011] The brake disc, wherein: the cross section of the air guide is approximately S-shaped.

[0012] The brake disc of any one of the preceding claims, wherein: the disc body is an integrally formed structure.

[0013] Therefore, the brake disc provided by the present application has a hollow disc design, which provides a large heat dissipation surface for the brake disc, facilitates the convection of cold and hot air, and makes the braking force of the brake better and the disc surface less likely to deform.

[0014] In implementation, the brake disc can be integrally formed, and since the overall structure is integral, heat conduction is faster, and the heat dissipation efficiency is excellent.

[0015] The detailed features and advantages of the present application are described in detail in the embodiments below, which are sufficient for any person skilled in the relevant art to understand the technical content of the present application and implement it, and according to the content disclosed in the present application, drawings and claims, any person skilled in the relevant art can easily understand the related purposes and advantages of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 FIG. 1 is a perspective view of the brake disc of the present application;

[0017] Figure 2 FIG. 2 is an enlarged view of Figure 1 FIG. 3 is a front view of the brake disc of the present application;

[0018] Figure 3 FIG. 4 is a sectional view of the brake disc of the present application.

[0019] Figure 4 FIG. 5 is a sectional view of the brake disc of the present application.

[0020] BRIEF DESCRIPTION OF DRAWINGS: disc body 10; annular hollow disc 11; annular disc surface 12; annular disc surface 13; connecting piece 14; positioning piece 141; air guide 142; heat dissipation channel 15; groove 16. DETAILED DESCRIPTION

[0021] Please also refer to Figures 1 to 3As shown, the utility model provides a kind of brake disc suitable for bicycle, which mainly includes a disc body 10, from the figure, the utility model provides a hollow disc design brake disc, the outer edge of the disc body 10 is formed with a annular hollow disc 11, the annular hollow disc 11 has a first annular disc face 12 and a second annular disc face 13 which are arranged in parallel and have a spacing, the two annular disc faces 12,13 are connected by a plurality of connecting pieces 14, and a heat dissipation channel 15 is formed between the two annular disc faces 12,13.

[0022] As can be known from the foregoing description, the utility model provides a brake disc with a annular hollow disc 11, and a heat dissipation channel 15 is formed in the annular hollow disc 11, so that a large area of heat dissipation surface can be provided by the annular hollow disc 11, the cold and hot air can easily convect and dissipate heat, the braking force of the brake is better, and the disc face is not easy to deform.

[0023] In order to increase the surface area of heat dissipation and make the structure itself more lightweight, the surface of the first annular disc face 12 and the second annular disc face 13 can further be formed with a plurality of grooves 16. The grooves 16 can remove the powder of the brake pad and increase the friction force.

[0024] From Figure 4 It can be clearly shown that in the preferred embodiment of the utility model, the connecting piece 14 can further include a plurality of positioning members 141 and a plurality of air guide members 142 distributed between the two annular disc faces 12,13.

[0025] Among them, the air guide members 142 are arranged between the two annular disc faces 12,13, and the cross section of the air guide members 142 is curved (for example, the cross section is approximately S-shaped), so that the air guide members 142 can not only provide the function of fixed connection, but also can provide the function of air guide.

[0026] In implementation, the brake disc of the utility model can be made by integral molding, for example, by 3D printing, because the overall structure is integral, the heat conduction is faster, and the heat dissipation efficiency is excellent.

[0027] As can be known from the foregoing description, the brake disc provided by the utility model adopts an innovative hollow disc design, so that the brake disc can provide a large area of heat dissipation surface, the cold and hot air can easily convect and dissipate heat, the braking force of the brake is better, and the disc face is not easy to deform.

[0028] The above description is only a preferred embodiment of the utility model, and should not be used to limit the scope of the utility model; that is, any equivalent changes and modifications made according to the utility model should be within the scope of the utility model patent.

Claims

1. A brake disc comprising a disc body, and an annular hollow disc formed at an outer edge of the disc body, characterized in that: The annular hollow disc has a first annular disc surface and a second annular disc surface arranged in parallel and kept apart, the first annular disc surface and the second annular disc surface are connected through a plurality of connecting members, and a heat dissipation channel is formed between the first annular disc surface and the second annular disc surface.

2. The brake disc of claim 1, wherein: The surfaces of the first annular disc surface and the second annular disc surface are formed with a plurality of grooves.

3. The brake disc of claim 1, wherein: The connecting members include a plurality of positioning members distributed between the first annular disc surface and the second annular disc surface.

4. The brake disc of claim 1, wherein: The connecting members include a plurality of air flow guiding members distributed between the first annular disc surface and the second annular disc surface.

5. The brake disc of claim 4, wherein: The cross section of the air flow guiding member is curved.

6. The brake disc of claim 5, wherein: The cross section of the air flow guiding member is approximately S-shaped.

7. The brake disc of any one of claims 1 to 6, wherein: The disc body is an integrally formed structure.

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