Brake disc for lightweight aluminum alloy bicycle
By setting a circular array of heat dissipation grooves and heat dissipation hole groups on the brake discs of lightweight aluminum alloy bicycles, the problem of brake performance reduction caused by overheating of the discs is solved, and more efficient heat dissipation and frictional force are achieved, and the brakes are significantly improved. performance.
Patent Information
- Application Number
- CN202420884125.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-26
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-04-26
AI Technical Summary
Frequent braking will cause the bicycle disc to overheat and reduce the brake performance, especially during mountain bike riding, which will affect the improvement of brake performance.
A brake disc for lightweight aluminum alloy bicycles is designed, and a circular array of heat dissipation grooves and heat dissipation hole groups are arranged on the brake part. The heat dissipation grooves are placed across the surfaces of both sides of the brake part, and the heat dissipation hole groups penetrate through the main body of the disc. , and accelerate the heat dissipation efficiency through the communication structure between the opening groove and the strip groove.
The air flows through the heat dissipation tank to carry away heat, which improves the brake performance and the friction of the brake pads in the brake brake, significantly improving the brake performance.
Smart Images
Figure CN222296812U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of bicycle brake discs, and in particular relates to a brake disc for a lightweight aluminum alloy bicycle. Background Art
[0002] The bicycle disc brake structure includes a disc and a holding brake. The holding brake is located at the edge of the disc, and the disc is locked to achieve the braking function. For some mountain bikes, when riding on uneven roads, the number of brakes exceeds that of ordinary road bikes. Mountain bikes have higher requirements for braking performance, and the disc is an important component that affects the braking performance. Frequent braking will cause the disc to overheat, reduce the braking performance, and increase the braking distance. In order to improve the braking performance, a brake disc for a lightweight aluminum alloy bicycle is provided. Utility Model Content
[0003] In view of this, the technical problem to be solved by the utility model is to provide a brake disc for a lightweight aluminum alloy bicycle, which solves the problem in the prior art that frequent braking may cause the disc to overheat and reduce the braking performance.
[0004] In order to solve the above technical problems, the utility model discloses a brake disc for a lightweight aluminum alloy bicycle, comprising: a disc body; a mounting hole is provided at the center of the disc body, a plurality of fixing holes are provided at the edge of the mounting hole, a circle of special-shaped holes for lightweighting is provided at the periphery of the mounting hole, the edge of the disc body is a brake part, and the two side surfaces of the brake part have circular arrays of heat dissipation grooves and heat dissipation hole groups, the heat dissipation hole groups surround the two sides of the heat dissipation grooves, the heat dissipation grooves have open grooves and strip grooves, the open grooves are located at the edge of the disc body, the strip grooves are connected to the open grooves, and the open grooves extend toward the middle of the disc body.
[0005] Furthermore, a plurality of inwardly protruding limiting portions are provided on the edge of the above-mentioned mounting hole, and the fixing hole is located at the limiting portions.
[0006] Furthermore, the heat dissipation hole group has two heat dissipation holes, one large and one small, and the heat dissipation holes penetrate through the disc body.
[0007] Furthermore, the depth of the heat dissipation groove is less than half of the thickness of the disc body.
[0008] Furthermore, the heat dissipation grooves on the front and back surfaces of the above-mentioned disc body are arranged at intervals of 15°.
[0009] Furthermore, the middle part of the strip groove of the heat dissipation groove has two bending parts, and the two groups of heat dissipation hole groups are 180° centrally symmetrical along the centers of the two bending parts.
[0010] Compared with the prior art, the present application can obtain the following technical effects:
[0011] The utility model provides a circular array of heat dissipation grooves and heat dissipation hole groups on the brake part. The heat dissipation grooves are horizontally placed on the two side surfaces of the brake part. When the disc body rotates, it is convenient for air to flow through the grooves to take away heat. The heat dissipation grooves can also increase the friction with the brake pads in the brake. The heat dissipation hole group can further accelerate the heat dissipation efficiency and thus improve the braking performance.
[0012] Of course, any product implementing this application does not necessarily need to achieve all of the technical effects described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:
[0014] Figure 1 is a schematic diagram of a brake disc according to an embodiment of the utility model;
[0015] Figure 2 yes Figure 1 A local enlarged schematic diagram of point A in the middle.
[0016] Figure ID
[0017] Disc body 1, mounting hole 2, fixing hole 3, special-shaped hole 4, brake part 5, heat dissipation slot 6, heat dissipation hole group 7, opening slot 8, strip slot 9, limit part 10. DETAILED DESCRIPTION
[0018] The following will describe the implementation methods of the present application in detail with the help of accompanying drawings and examples, so that the implementation process of how the present application uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.
[0019] Please refer to Figure 1 and Figure 2 , Figure 1 is a schematic diagram of a brake disc according to an embodiment of the utility model; Figure 2 yes Figure 1 A local enlarged schematic diagram of point A in the middle.
[0020] A brake disc for a lightweight aluminum alloy bicycle comprises: a disc body 1; a mounting hole 2 is provided at the center of the disc body 1, a plurality of fixing holes 3 are provided at the edge of the mounting hole 2, a circle of special-shaped holes 4 for lightening is provided at the periphery of the mounting hole 2, the edge of the disc body 1 is a brake part 5, and the two side surfaces of the brake part 5 are provided with circular arrays of heat dissipation grooves 6 and heat dissipation hole groups 7, the heat dissipation hole groups 7 surround the two sides of the heat dissipation grooves 6, the heat dissipation grooves 6 have open grooves 8 and strip grooves 9, the open grooves 8 are located at the edge of the disc body 1, the strip grooves 9 are connected with the open grooves 8, and the open grooves 8 extend toward the middle of the disc body 1.
[0021] The edge of the mounting hole 2 is provided with a plurality of inwardly protruding limiting portions 10, and the fixing hole 3 is located at the limiting portion 10; the heat dissipation hole group 7 has two heat dissipation holes, one large and one small, and the heat dissipation holes penetrate the disc body 1; the depth of the heat dissipation groove 6 is less than half the thickness of the disc body 1; the heat dissipation grooves 6 on the front and back surfaces of the disc body 1 are arranged at intervals of 15°; the middle part of the strip groove 9 of the heat dissipation groove 6 has two bending portions, and the two groups of heat dissipation hole groups 7 are 180° centrally symmetrical along the centers of the two bending portions.
[0022] In summary, the utility model provides a circular array of heat dissipation grooves 6 and a heat dissipation hole group 7 on the brake part 5. The heat dissipation grooves 6 are horizontally placed on the two side surfaces of the brake part 5. When the disc body 1 rotates, it is convenient for air to flow through the grooves to take away heat. The heat dissipation grooves 6 can also increase the friction with the brake pads in the brake. The heat dissipation hole group 7 can further accelerate the heat dissipation efficiency and thus improve the braking performance.
[0023] The above description shows and describes several preferred embodiments of the utility model, but as mentioned above, it should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the utility model concept described herein through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art do not deviate from the spirit and scope of the utility model, and should be within the scope of protection of the claims attached to the utility model.
Claims
1. A brake disc for a lightweight aluminum alloy bicycle, comprising: Disc body; It is characterized in that a mounting hole is provided in the center of the disc body, a plurality of fixing holes are provided at the edge of the mounting hole, a circle of special-shaped holes for lightening is provided at the periphery of the mounting hole, the edge of the disc body is a brake part, and the two side surfaces of the brake part have circular arrays of heat dissipation grooves and heat dissipation hole groups, the heat dissipation hole groups surround the two sides of the heat dissipation grooves, the heat dissipation grooves have open grooves and strip grooves, the open grooves are located at the edge of the disc body, the strip grooves are connected to the open grooves, and the open grooves extend toward the middle of the disc body.
2. The brake disc for a lightweight aluminum alloy bicycle according to claim 1, characterized in that: The edge of the mounting hole is provided with a plurality of inwardly protruding limiting portions, and the fixing hole is located at the limiting portions.
3. The brake disc for a lightweight aluminum alloy bicycle according to claim 1, characterized in that: The heat dissipation hole group comprises two heat dissipation holes, one large and one small, and the heat dissipation holes penetrate through the disc body.
4. The brake disc for a lightweight aluminum alloy bicycle according to claim 1, characterized in that: The depth of the heat dissipation groove is less than half the thickness of the disk body.
5. The brake disc for a lightweight aluminum alloy bicycle according to claim 1, characterized in that: The heat dissipation grooves on the front and back surfaces of the disk body are arranged at intervals of 15°.
6. The brake disc for a lightweight aluminum alloy bicycle according to claim 1, characterized in that: The middle part of the strip groove of the heat dissipation groove has two bending parts, and the two groups of heat dissipation hole groups are 180° centrally symmetrical along the centers of the two bending parts.