High-carbon high-strength brake disc applied to automobile

By combining carbon ceramic discs and aluminum alloy main discs in the car brake discs and setting honeycomb structures and wavy ribs, the problems of uneven strength and insufficient heat dissipation of the brake discs are solved, and high-strength, lightweight and optimized heat dissipation effects are achieved.

CN223136775UActive Publication Date: 2025-07-22LAIZHOU SANLI AUTO PARTS
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Patent Information

Application Number
CN202422622229.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-29
Publication Date
2025-07-22
Estimated Expiration
2034-10-29

AI Technical Summary

Technical Problem

The intensity distribution of existing automobile brake discs is uneven, it is prone to stress concentration, resulting in noise and vibration, and insufficient heat dissipation performance.

Method used

The carbon ceramic disc is combined with the aluminum alloy main disc. The aluminum alloy main disc is composed of the first and second aluminum alloy discs. The honeycomb structure ring disc and wavy ribs are arranged, and fixed by limiting screws to form a cavity and fill the honeycomb structure, combining the heat dissipation hole and ventilation groove design.

Benefits of technology

Significantly improves the overall strength, stiffness and durability of the brake disc, reduces weight, reduces noise and vibration, optimizes heat dissipation performance, and enhances fatigue resistance.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223136775U_ABST
Patent Text Reader

Abstract

The high-carbon high-strength brake disc comprises a carbon ceramic disc and an aluminum alloy main disc, a sleeve is fixedly arranged in the middle of the top end of the carbon ceramic disc, and the sleeve is connected with the aluminum alloy main disc in a penetrating mode; the aluminum alloy main disc wavy ribs arranged between the carbon ceramic discs serve as a supporting structure, cavities are formed between the ribs, the heat dissipation performance of the brake disc can be remarkably improved, the weight is reduced, noise and vibration are lowered, stress dispersion is optimized, the overall performance and durability of the brake disc are improved through the improvements, and the service life of the brake disc is prolonged. A cavity is formed between the first aluminum alloy disc and the second aluminum alloy disc, the cavity is filled with the honeycomb structure, the overall strength, rigidity and durability of the brake disc can be remarkably improved, meanwhile, the weight is reduced, the heat dissipation performance is improved, the honeycomb structure is beneficial for evenly dispersing stress, relieving vibration and noise and enhancing the anti-fatigue performance, and the service life of the brake disc is prolonged. And the air flow is improved.
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Description

Technical Field

[0001] The utility model relates to a high-strength brake disc, in particular to a high-carbon high-strength brake disc applied to automobiles. Background Art

[0002] The brake disc is a key component in the automotive braking system, mainly used to provide frictional force to decelerate or stop the vehicle. The brake disc mainly consists of the following parts: the brake disc body, usually made of cast iron or composite materials, with high strength and wear resistance. Its surface will be precision machined to ensure flatness and smoothness. Brake disc ventilation holes: To effectively dissipate heat, some brake discs are designed with ventilation holes or grooves, which helps to quickly dissipate heat during braking and prevent overheating.

[0003] Many ordinary brake discs adopt a single solid structure without optimized internal support or reinforcement design, resulting in uneven strength distribution and easy generation of stress concentration. Therefore, there is a need for a high-carbon high-strength brake disc applied to automobiles.

[0004] It should be noted that the above content belongs to the technical cognitive scope of the utility model person and does not necessarily constitute the prior art. Summary of the Utility Model

[0005] In order to solve the above problems, the purpose of the utility model is to provide a high-carbon high-strength brake disc applied to automobiles.

[0006] To achieve the above purpose, the utility model provides a high-carbon high-strength brake disc applied to automobiles, including a carbon ceramic disc and an aluminum alloy main disc.

[0007] A sleeve is fixedly arranged at the middle position of the top end of the carbon ceramic disc, and the sleeve is inserted and connected with the aluminum alloy main disc.

[0008] The aluminum alloy main disc consists of a first aluminum alloy disc, a second aluminum alloy disc and an edge collar. The bottom end of the first aluminum alloy disc and the top end of the second aluminum alloy disc are both provided with annular grooves of the same size. Honeycomb structure ring discs are fixedly arranged inside the annular grooves. The edge positions of the first aluminum alloy disc and the second aluminum alloy disc are both placed inside the edge collar. Four first threaded holes are symmetrically opened at the top end of the edge collar, and second threaded holes corresponding to the positions of the four first threaded holes are opened at the bottom end of the inner wall of the edge collar. The four first threaded holes and the second threaded holes are threadedly connected with corresponding first limit screws. A plurality of radially distributed wavy ribs are fixedly arranged at the top end of the carbon ceramic disc.

[0009] In one example, four second limit screws are externally threadedly connected to the top of the aluminum alloy main disc near the sleeve, and four third threaded holes are provided at the middle position of the top of the carbon ceramic disc, and the four second limit screws are threadedly connected to the corresponding third threaded holes.

[0010] In one example, multiple groups of heat dissipation holes are provided at the top of the carbon ceramic disc.

[0011] In one example, multiple ventilation grooves are provided at the top of the aluminum alloy main disc.

[0012] In one example, the size of the edge collar matches the sizes of the first aluminum alloy disc and the second aluminum alloy disc.

[0013] The utility model provides an application for a high-carbon high-strength brake disc for automobiles, which can bring the following beneficial effects:

[0014] In the utility model, the aluminum alloy main disc and the corrugated ribs are arranged between the carbon ceramic discs as a support structure, and cavities are formed between the ribs, which can significantly improve the heat dissipation performance, reduce the weight, reduce the noise and vibration, and optimize the stress dispersion of the brake disc. These improvements not only improve the overall performance and durability of the brake disc, but also form a cavity between the first aluminum alloy disc and the second aluminum alloy disc, and a honeycomb structure is arranged inside the cavity, which can significantly improve the overall strength, stiffness and durability of the brake disc, while reducing the weight and improving the heat dissipation performance. The honeycomb structure helps to evenly disperse the stress, slow down the vibration and noise, enhance the fatigue resistance, and improve the air flow. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described herein are used to provide a further understanding of the utility model and form a part of the utility model. The schematic embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an improper limitation to the utility model. In the drawings:

[0016] Figure 1 is a schematic structural diagram of the utility model;

[0017] Figure 2 is a schematic structural diagram of the carbon ceramic disc of the utility model;

[0018] Figure 3 is a schematic side view of the aluminum alloy main disc of the utility model;

[0019] Figure 4 is the utility model Figure 3 enlarged view at A in;

[0020] Figure 5 This is a schematic structural diagram of the first aluminum alloy disc of the present utility model.

[0021] In the figure: 1. Carbon ceramic disc; 2. Aluminum alloy main disc; 3. Wavy ribs; 4. Edge collar; 5. Second limit screw; 6. Ventilation groove; 7. Heat dissipation hole; 8. First aluminum alloy disc; 9. Second aluminum alloy disc; 10. Annular groove; 11. Third threaded hole; 12. Honeycomb structure ring disc; 13. First limit screw; 14. First limit screw; 15. First threaded hole; 16. Sleeve. Detailed implementation manners

[0022] In order to more clearly illustrate the overall concept of the present utility model, the following will be described in detail by way of examples in conjunction with the drawings in the specification.

[0023] As Figures 1 to 5 shown, an embodiment of the present utility model provides a high-carbon high-strength brake disc for automobiles, including a carbon ceramic disc 1 and an aluminum alloy main disc 2:

[0024] A sleeve 16 is fixedly provided at the middle position of the top end of the carbon ceramic disc 1, and the sleeve 16 is inserted and connected with the aluminum alloy main disc 2;

[0025] The aluminum alloy main disc 2 is composed of a first aluminum alloy disc 8, a second aluminum alloy disc 9 and an edge collar 4. The bottom end of the first aluminum alloy disc 8 and the top end of the second aluminum alloy disc 9 are both provided with annular grooves 10 of the same size. Honeycomb structure ring discs 12 are fixedly provided inside the annular grooves 10. The edge positions of the first aluminum alloy disc 8 and the second aluminum alloy disc 9 are both placed inside the edge collar 4. Four first threaded holes 15 are symmetrically opened at the top end of the edge collar 4. A second threaded hole 14 corresponding to the positions of the four first threaded holes 15 is opened at the bottom end of the inner wall of the edge collar 4. The four first threaded holes 15 and the second threaded hole 14 are threadedly connected with corresponding first limit screws 13. A plurality of radially distributed wavy ribs 3 are fixedly provided at the top end of the carbon ceramic disc 1.

[0026] Specifically, four second limit screws 5 are threadedly connected to the outer side of the top end of the aluminum alloy main disc 2 near the sleeve 16. Four third threaded holes 11 are opened at the middle position of the top end of the carbon ceramic disc 1. The four second limit screws 5 are threadedly connected with the corresponding third threaded holes 11.

[0027] Specifically, a plurality of groups of heat dissipation holes 7 are opened at the top end of the carbon ceramic disc 1.

[0028] Specifically, a plurality of ventilation grooves 6 are opened at the top end of the aluminum alloy main disc 2.

[0029] Specifically, the size of the edge collar 4 matches the sizes of the first aluminum alloy disc 8 and the second aluminum alloy disc 9.

[0030] Working principle: The first aluminum alloy disc 8 and the second aluminum alloy disc 9 are inserted through the edge collar 4, and then a plurality of first limit screws 13 enter the first threaded holes 15 and the second threaded holes 14, thereby limiting and fixing the first aluminum alloy disc 8, the second aluminum alloy disc 9 and the edge collar 4. The annular grooves 10 provided on the first aluminum alloy disc 8 and the second aluminum alloy disc 9, and the honeycomb structure ring disc 12 structure provided inside the annular grooves 10 can significantly improve the overall strength, stiffness and durability of the brake disc, while reducing the weight and improving the heat dissipation performance. The honeycomb structure helps to evenly disperse stress, reduce vibration and noise, enhance the fatigue resistance, and improve air flow. Moreover, the wavy ribs 3 radially distributed on the carbon ceramic disc 1, as the support between the carbon ceramic disc 1 and the aluminum alloy main disc 2, can significantly improve the heat dissipation performance, reduce the weight, lower the noise and vibration, and optimize the stress dispersion of the brake disc. These improvements not only enhance the overall performance and durability of the brake disc.

[0031] Each embodiment in this specification is described in a progressive manner. For the same or similar parts among the embodiments, reference can be made to each other. Each embodiment focuses on the differences from other embodiments. In particular, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can refer to the partial description of the method embodiment.

[0032] The above are only the embodiments of the present invention and are not used to limit the present invention. For those skilled in the art, various modifications and changes can be made to the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the scope of the claims of the present invention.

Claims

1. An automotive high-carbon high-strength brake disc, comprising a carbon ceramic disc (1) and an aluminum alloy main disc (2): A sleeve (16) is fixedly provided at the middle position of the top end of the carbon ceramic disc (1), and the sleeve (16) is inserted and connected with the aluminum alloy main disc (2); It is characterized in that: The aluminum alloy main disc (2) is composed of a first aluminum alloy disc (8), a second aluminum alloy disc (9) and an edge collar (4). Ring grooves (10) of the same size are formed at the bottom end of the first aluminum alloy disc (8) and the top end of the second aluminum alloy disc (9). Honeycomb structure ring discs (12) are fixedly arranged inside the ring grooves (10). The edge positions of the first aluminum alloy disc (8) and the second aluminum alloy disc (9) are both placed inside the edge collar (4). Four first threaded holes (15) are symmetrically formed at the top end of the edge collar (4). Second threaded holes (14) corresponding to the positions of the four first threaded holes (15) are formed at the bottom end of the inner wall of the edge collar (4). The four first threaded holes (15) and the second threaded holes (14) are threadedly connected with corresponding first limit screws (13). A plurality of radially distributed wavy ribs (3) are fixedly arranged at the top end of the carbon ceramic disc (1).

2. The high-carbon and high-strength brake disc for automobiles according to claim 1, wherein: Four second limit screws (5) are threadedly connected to the outer part of the top end of the aluminum alloy main disc (2) close to the sleeve (16). Four third threaded holes (11) are formed at the middle position of the top end of the carbon ceramic disc (1). The four second limit screws (5) are threadedly connected with the corresponding third threaded holes (11).

3. A high-carbon and high-strength brake disc for automobiles according to claim 1, characterized in that: Multiple groups of heat dissipation holes (7) are formed at the top end of the carbon ceramic disc (1).

4. A high-carbon and high-strength brake disc for automobiles according to claim 1, characterized in that: Multiple ventilation grooves (6) are formed at the top end of the aluminum alloy main disc (2).

5. A high-carbon and high-strength brake disc for automobiles according to claim 1, characterized in that: The size of the edge collar (4) matches the sizes of the first aluminum alloy disc (8) and the second aluminum alloy disc (9).