Radiating structure of disc brake lining of bicycle

Abstract

The utility model provides a heat dissipation structure of a disc brake lining of a bicycle, which comprises a heat dissipation piece and a friction piece, the heat dissipation piece is made of a metal plate, two opposite sides of the heat dissipation piece are respectively a first surface and a second surface, the heat dissipation piece is divided into a heat dissipation area and a joint area, the friction piece is fixedly arranged in the joint area, and the friction piece is arranged on the first surface of the heat dissipation piece and the second surface of the heat dissipation piece. Wherein the heat dissipation area is provided with at least one heat dissipation part, the heat dissipation part comprises a convex surface formed on the first surface by using a stamping process and a concave surface which is formed on the second surface and corresponds to the convex surface, and the heat dissipation part does not penetrate through the heat dissipation area of the heat dissipation piece; forming of the heat dissipation component is completed through the stamping process, the manufacturing process is convenient and fast, high economic benefits are achieved, the heat dissipation area, making contact with air or airflow, of the heat dissipation piece is increased through the convex face and the concave face of the heat dissipation component, and the heat dissipation effect of the disc brake lining can be improved.

Description

Technical Field

[0001] The present application relates to a disc brake device for a bicycle, and in particular to a heat dissipation structure of a disc brake pad for a bicycle. Background Art

[0002] The brake pad is an important component of the disc brake device (disc brake). The performance of the brake pad is closely related to driving safety. In order to avoid brake failure caused by heat exhaustion of the brake pad due to high temperature, the industry has proposed a brake pad with a built-in heat dissipation function, which can improve the heat dissipation capacity of the brake pad and avoid problems caused by high temperature.

[0003] It is known that the brake pads with self-heating function are mainly composed of a metal plate and a friction plate. The good thermal conductivity of the metal plate is used to take away the high heat of the friction plate. In order to improve the heat dissipation capacity of the brake pads, it is known that the brake pads with self-heating function basically improve the heat dissipation capacity by increasing the heat dissipation area of ​​the metal plate.

[0004] Known metal heat sinks can dissipate heat by themselves without the need for additional driving energy, and are the most typical passive heat dissipation components. The function of the heat sink fins of the fin-type heat sink is to enhance the heat transfer, which is proportional to the heat transfer area, heat transfer coefficient, and temperature difference. To enhance heat transfer, it is necessary to increase the heat transfer area, enhance the heat transfer coefficient, or increase the temperature difference. However, increasing the temperature difference may not be feasible because the operating temperature is usually limited. The more commonly used method is to enhance the heat transfer coefficient or increase the heat transfer area.

[0005] An approved invention patent of Taiwan, China (patent certificate number TW I526636) proposes an improved structure for heat dissipation of brake pads, which includes a main body having a heat dissipation portion and a connection portion for assembling brake blocks, wherein the heat dissipation portion is provided with a plurality of through holes penetrating the main body and arranged side by side, and each through hole is respectively connected to a fin extending toward the outside of the main body.

[0006] The aforementioned invention patent TW I526636 uses a stamping process to manufacture fins, and forms through holes in the heat dissipation portion. Compared with stamping products with complex shapes and no through holes, the stamping process of forming through holes in stamping products is relatively easy; on the other hand, the fins of this plate will have broken cuts at the position of the through holes, causing the heat transfer path between the fins and the heat dissipation portion to be interrupted at the through holes. In addition to reducing the heat transfer area of ​​the fins, the heat transfer area between the plate and the fins is limited to the cross section of the fins, which relatively reduces the heat transfer efficiency. Utility Model Content

[0007] The technical problem to be solved by the present application is to provide a heat dissipation structure for a bicycle disc brake pad, so as to obtain a larger heat dissipation area and improve the heat dissipation efficiency of the disc brake pad.

[0008] To achieve the above-mentioned purpose, a preferred embodiment of the heat dissipation structure of the disc brake pad of the new bicycle includes: a heat sink and a friction member, the heat sink is made of a metal plate, the opposite sides of the heat sink are respectively a first surface and a second surface, the heat sink has a heat dissipation area and a joining area, the friction member is fixedly arranged in the joining area; wherein the heat dissipation area has a heat dissipation component, the heat dissipation component includes a convex surface formed on the first surface by a stamping process, and a concave surface formed on the second surface and corresponding to the convex surface, wherein the heat dissipation component does not penetrate the heat dissipation area of ​​the heat sink.

[0009] As a preferred embodiment of the heat dissipation structure of the disc brake pad of the bicycle of the present application, the heat dissipation area includes a plurality of heat dissipation components, and there is a gap between the heat dissipation components.

[0010] As a preferred embodiment of the heat dissipation structure of the disc brake pad of the bicycle of the present application, the depth-to-width ratio of the concave surface of the heat dissipation component is A:B to C:D.

[0011] The advantages and effects of the present application are that the forming of the heat dissipation component is completed by a stamping process, the manufacturing process is convenient and has high economic benefits, the heat dissipation component forms a convex surface protruding from the first surface on the disc brake pad, and a concave surface corresponding to the convex surface is formed on the second surface, and the heat dissipation component does not penetrate the heat dissipation area of ​​the heat dissipation element. The heat dissipation area of ​​the heat dissipation element in contact with the air or airflow is increased by the convex and concave surfaces of the heat dissipation component, thereby improving the heat dissipation efficiency of the disc brake pad.

[0012] The details of other effects and embodiments of the present application are described below with reference to the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0014] Figure 1 It is a structural front view of a preferred embodiment of the heat dissipation structure of the disc brake pad of the bicycle of the present application;

[0015] Figure 2 yes Figure 1 A right side view of the structure of the illustrated embodiment;

[0016] Figure 3 yes Figure 1The cross-sectional structure diagram of the embodiment shown in FIG. 2 at position AA;

[0017] Figure 4 It is a schematic diagram of the appearance structure of a preferred embodiment of the heat dissipation structure of the disc brake pad of the bicycle of the present application;

[0018] Figure 5 yes Figure 4 A schematic diagram of the back structure of an embodiment of the present invention.

[0019] Explanation of symbols

[0020] 10: heat sink 20: friction parts

[0021] 11: First surface 12: Second surface

[0022] A1: Heat dissipation area A2: Joint area

[0023] 13: Assembly hole 30: Heat dissipation component

[0024] 31: convex surface 32: concave surface

[0025] G: Gap D: Depth

[0026] W: Width S1: First level

[0027] S2: Second level DETAILED DESCRIPTION

[0028] The positional relationships described in the following embodiments include: up, down, left and right. Unless otherwise specified, they are all based on the directions in which the components are drawn in the drawings.

[0029] First see Figure 1 and Figure 2 , exemplarily depicting a preferred embodiment of the heat dissipation structure of the disc brake pad of the bicycle of the present application, the front view and the right view of the structure. The structure of the disc brake pad includes: a heat dissipation member 10 and a friction member 20.

[0030] The heat sink 10 has a first surface 11 and a second surface 12 on opposite sides. The heat sink 10 is divided into a heat dissipation area A1 and a bonding area A2. The friction member 20 is fixedly disposed in the bonding area A2. The heat generated by the friction member 20 during operation is taken away by the good thermal conductivity of the metal plate.

[0031] See also Figure 4 and Figure 5The heat sink 10 is made of a metal plate and can be assembled to the brake system of the bicycle frame through an assembly hole 13. The metal plate includes an aluminum alloy plate or an aluminum alloy-stainless steel composite metal plate. The metal plate provides reliable structural strength to avoid deformation at high temperatures. At the same time, the excellent thermal conductivity of the metal plate can provide excellent heat transfer and heat dissipation effects for the disc brake pad.

[0032] As a preferred embodiment of the heat dissipation structure of the disc brake pad of the bicycle of the present application, the heat dissipation area A1 of the heat dissipation element 10 has a heat dissipation component 30, and the structure of the heat dissipation component 30 includes a convex surface 31 formed on the first surface 11 by a stamping process, and a concave surface 32 formed on the second surface 12 and corresponding to the convex surface 31 (see Figure 3 ), wherein the heat dissipation component 30 does not penetrate the heat dissipation area A1 of the heat dissipation element 10. In other words, the convex surface 31 and the concave surface 32 are not connected, and the air or airflow flowing through the first surface 11 and the second surface 12 of the heat dissipation element 10 of the disc brake pad are separated by the heat dissipation element (see Figure 3 The heat generated by the friction member 20 during operation will be transferred to the heat dissipation area A1 through the heat dissipation member 10, and then the heat dissipation purpose is achieved through the heat convection between the heat dissipation component 30 of the heat dissipation area A1 and the air or airflow.

[0033] As a preferred embodiment of the heat dissipation structure of the disc brake pad of the bicycle of the present application, the heat dissipation area A1 includes a plurality of heat dissipation components 30, and a gap G is formed between the heat dissipation components 30 (see FIG. Figure 4 ), for air to flow through for heat dissipation. Preferably, the heat dissipation component 30 includes a plurality of layers at different protruding heights, such as a first layer S1 and a second layer S2 (see Figure 3 ); In another preferred embodiment, the shape of the heat dissipation component 30 can be designed in different shapes according to the relative movement direction of the disc brake pad and the airflow, so as to generate a disturbance effect when the airflow passes through the heat dissipation component 30, thereby extending the contact time between the airflow and the heat dissipation component 30 to obtain a better heat dissipation effect.

[0034] In a preferred embodiment, the depth-to-width ratio (depth D: width W) of the concave surface 32 of the heat dissipation component 30 is 1:1 to 1:2. Through an excellent stamping process, the depth-to-width ratio of the concave surface 32 of the heat dissipation component 30 reaches the above-mentioned range, which can greatly increase the heat dissipation area of ​​the disc brake pad and enhance the heat dissipation efficiency of the disc brake pad.

[0035] The embodiments and / or implementation methods described above are only used to illustrate the preferred embodiments and / or implementation methods for realizing the technology of the present application, and are not intended to limit the implementation methods of the technology of the present application in any form. Any technical personnel in this field may make slight changes or modifications to other equivalent embodiments without departing from the scope of the technical means disclosed in the content of the present application, but they should still be regarded as technologies or embodiments that are essentially the same as the present application.

Claims

1. A heat dissipation structure of a bicycle disc brake pad, the structure of the disc brake pad comprising: A heat sink and a friction member, the heat sink is made of a metal plate, the two opposite sides of the heat sink are respectively a first surface and a second surface, the heat sink is divided into a heat dissipation area and a joining area, the friction member is fixedly arranged in the joining area; the characteristic is that: the heat dissipation area has a heat dissipation component, the heat dissipation component includes a convex surface formed on the first surface by a stamping process, and a concave surface formed on the second surface and corresponding to the convex surface, and the heat dissipation component does not penetrate the heat dissipation area of ​​the heat sink.

2. The heat dissipation structure of the bicycle disc brake pad according to claim 1, characterized in that: The heat dissipation area includes a plurality of heat dissipation components, and a gap is formed between the heat dissipation components.

3. The heat dissipation structure of the bicycle disc brake pad according to claim 1, characterized in that: The depth-to-width ratio of the concave surface of the heat dissipation component is 1:1 to 1:2.

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