Ceramic composite brake disc

The ceramic composite brake disc's limiting and heat dissipation design solves the problems of inconvenient assembly and thermal deformation of split brake discs, achieving efficient positioning and stable connection.

CN223854718UActive Publication Date: 2026-01-30JIANGSU LONGJIAN LOCOMOTIVE TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520831881.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-29
Publication Date
2026-01-30
Estimated Expiration
2035-04-29

AI Technical Summary

Technical Problem

The lack of positioning structure in the split design of existing automotive brake discs leads to inconvenient assembly and the risk of hub displacement, affecting the difficulty of bolt hole alignment and the stability of bolt connection.

Method used

The design employs a ceramic composite brake disc, which includes an outer brake disc, a heat-insulating connecting disc, and a fixed inner disc. Precise positioning is achieved through the cooperation of limiting grooves, limiting blocks, positioning grooves, and positioning blocks. Heat is isolated using a magnesium-aluminum alloy heat-insulating connecting disc, and heat dissipation is achieved in conjunction with an air duct design.

Benefits of technology

It improves the ease of assembly and the accuracy of bolt hole alignment, reduces assembly difficulty, and at the same time reduces heat transfer through the heat-insulating connecting plate, avoids component deformation, and improves the stability of bolted connections.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223854718U_ABST
    Figure CN223854718U_ABST
Patent Text Reader

Abstract

The utility model provides a ceramic composite brake disc. The ceramic composite brake disc comprises a brake outer disc, a heat insulation connecting disc and a fixed inner disc. A mounting groove is formed in the brake outer disc, the heat insulation connecting disc is mounted in the mounting groove, a plurality of limiting grooves are formed in the side wall of the mounting groove, a plurality of limiting blocks are fixedly connected to the heat insulation connecting disc, and the limiting blocks are embedded into the limiting grooves so that the heat insulation connecting disc and the brake outer disc can be fixed. A groove is formed in the heat insulation connecting disc. According to the ceramic composite brake disc, through cooperation of the limiting grooves, the limiting blocks, the positioning blocks and the positioning grooves, positioning among the brake outer disc, the heat insulation connecting disc and the fixed inner disc is facilitated, the first bolt holes and the second bolt holes are easier to align, the assembly difficulty is lowered, meanwhile, the heat insulation effect can be achieved through the arrangement of the heat insulation connecting disc, and the service life of the brake disc is prolonged. And the heat transfer of the brake outer disc is reduced.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of brake disc, especially to a ceramic composite brake disc. BACKGROUND

[0002] Brake disc, simply speaking, is a round plate, and it also rotates when the car is running. The brake caliper clamps the brake disc to generate braking force, and it clamps the brake disc to slow down or stop the car when the brake is pressed.

[0003] At present, the automobile brake disc is integrally formed by casting, that is, the brake disc hub and the brake disc are integrally formed by casting process. Such brake disc has slow heat conduction, that is, slow heat dissipation, which ultimately affects the service life of the brake disc. At present, the brake disc on the market is changed to a split type, that is, the brake disc is composed of a brake disc hub and a brake disc, and the two are connected by bolts.

[0004] However, the brake disc hub and the brake disc do not have positioning structure between them during assembly, and the staff needs to align the bolt holes of the two, and then fix them by bolts. Not only is the operation inconvenient, but also there is a possibility that the brake disc hub will be displaced during installation, and the operation is not convenient enough.

[0005] Therefore, it is necessary to provide a ceramic composite brake disc to solve the above technical problems. CONTENT OF THE UTILITY MODEL

[0006] The utility model provides a ceramic composite brake disc, solves the problem in the prior art.

[0007] To solve the above technical problems, the utility model provides a ceramic composite brake disc, which comprises a brake outer disc, a heat insulation connecting disc and a fixed inner disc.

[0008] A mounting groove is formed in the brake outer disc, the heat insulation connecting disc is mounted in the mounting groove, a plurality of limiting grooves are formed in the side wall of the mounting groove, a plurality of limiting blocks are fixedly connected to the heat insulation connecting disc, the limiting blocks are embedded in the limiting grooves to fix the heat insulation connecting disc and the brake outer disc, a recess is formed in the heat insulation connecting disc, a plurality of positioning grooves are formed in the recess, a first bolt hole is formed in the positioning groove, a plurality of positioning blocks are fixedly connected to the bottom of the fixed inner disc, a plurality of second bolt holes are formed in the fixed inner disc, the positioning blocks are embedded in the positioning grooves to fix the fixed inner disc and the heat insulation connecting disc, and the second bolt holes are aligned with the first bolt holes.

[0009] Preferably, the limiting grooves are matched with the limiting blocks, the positioning grooves are matched with the positioning blocks, and the recess is matched with the fixed inner disc.

[0010] Preferably, the first bolt hole and the second bolt hole have the same hole diameter.

[0011] Preferably, the brake outer disc has a plurality of heat dissipation holes on the disc surface.

[0012] Preferably, the brake outer disc has a plurality of first air ducts, and the heat insulation connecting disc has a plurality of second air ducts, and the heat insulation connecting disc is installed on the brake outer disc to align the first air ducts with the second air ducts.

[0013] Preferably, the fixed inner disc has a plurality of mounting holes.

[0014] Compared with the related art, the ceramic composite brake disc has the following beneficial effects:

[0015] The ceramic composite brake disc has the following beneficial effects: the positioning between the brake outer disc, the heat insulation connecting disc and the fixed inner disc is facilitated, the first bolt hole and the second bolt hole are more easily aligned, the assembly difficulty is reduced, the heat insulation connecting disc can play a heat insulation effect, the heat transfer of the brake outer disc is reduced, the heat insulation connecting disc and the fixed inner disc are prevented from being deformed due to heat, and the stability between the first bolt hole, the second bolt hole and the bolt is affected. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The structure diagram of a preferred embodiment of the ceramic composite brake disc is shown in the figure.

[0017] Figure 2 The explosion view of the ceramic composite brake disc is shown in the figure.

[0018] Figure 3 The cross-sectional view of the brake outer disc is shown in the figure. Figure 2

[0019] The cross-sectional view of the heat insulation connecting disc is shown in the figure. Figure 4 Figure 2 The cross-sectional view of the fixed inner disc is shown in the figure.

[0020] Figure 5 The cross-sectional view of the fixed inner disc is shown in the figure. Figure 2 The cross-sectional view of the fixed inner disc is shown in the figure.

[0021] Specific implementation

[0022] ​​The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0023] Please refer to the following: Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 ,in, Figure 1 A schematic diagram of a preferred embodiment of the ceramic composite brake disc provided by this utility model; Figure 2 Exploded view of the ceramic composite brake disc provided by this utility model; Figure 3 for Figure 2 A cross-sectional schematic diagram of the brake outer disc is shown; Figure 4 for Figure 2 A cross-sectional schematic diagram of the heat-insulating connecting plate shown; Figure 5 for Figure 2 The diagram shows a cross-sectional view of the fixed inner disc. The ceramic composite brake disc includes: an outer brake disc 1, a heat-insulating connecting disc 2, and a fixed inner disc 3;

[0024] The outer brake disc 1 has a mounting groove 4, and the heat-insulating connecting disc 2 is installed in the mounting groove 4. The side wall of the mounting groove 4 has several limiting grooves 5. Several limiting blocks 6 are fixedly connected to the heat-insulating connecting disc 2. The limiting blocks 6 are embedded in the limiting grooves 5 to fix the heat-insulating connecting disc 2 and the outer brake disc 1. The heat-insulating connecting disc 2 has a groove 7, and several positioning grooves 8 are formed in the groove 7. The positioning grooves 8 have first bolt holes 9. Several positioning blocks 10 are fixedly connected to the bottom of the fixed inner disc 3. Several second bolt holes 11 are formed on the fixed inner disc 3. The positioning blocks 10 are embedded in the positioning grooves 8 to fix the fixed inner disc 3 and the heat-insulating connecting disc 2, and to align the second bolt holes 11 with the first bolt holes 9.

[0025] The outer brake disc 1 is made of ceramic composite material, and the heat insulation connecting disc 2 is made of magnesium-aluminum alloy.

[0026] The limiting groove 5 is adapted to the limiting block 6, the positioning groove 8 is adapted to the positioning block 10, and the groove 7 is adapted to the fixed inner plate 3.

[0027] The first bolt hole 9 and the second bolt hole 11 have the same diameter.

[0028] The outer brake disc 1 has several heat dissipation holes 12 on its surface, which can dissipate heat from the outer brake disc 1.

[0029] The brake outer disc 1 is provided with a plurality of first air ducts 13, and the heat insulation connecting disc 2 is provided with a plurality of second air ducts 14.

[0030] Through the communication of the first air duct 13 and the second air duct 14, the air can be guided, and with the rotation of the brake outer disc 1, the air can flow between the first air duct 13 and the second air duct 14, so that the heat can be taken away, and the heat dissipation effect can be achieved.

[0031] The fixing inner disc 3 is provided with a plurality of mounting holes 15, and the mounting holes 15 are used for mounting and fixing the entire brake disc and the automobile hub.

[0032] The working principle of the ceramic composite brake disc is as follows:

[0033] After the heat insulation connecting disc 2 is adjusted, the brake outer disc 1 is sleeved on the heat insulation connecting disc 2 from top to bottom, so that the heat insulation connecting disc 2 enters the mounting groove 4, then the brake outer disc 1 is rotated to make the limiting groove 5 and the limiting block 6 abut and fixed, then the fixing inner disc 3 is placed into the recess 7, and then the fixing inner disc 3 is rotated to make the positioning block 10 and the positioning groove 8 abut and fixed, and the first bolt hole 9 and the second bolt hole 11 are aligned, and the bolt is installed and fixed through the first bolt hole 9 and the second bolt hole 11.

[0034] Compared with the related art, the ceramic composite brake disc has the following beneficial effects:

[0035] Through the cooperation of the limiting groove 5, the limiting block 6, the positioning block 10 and the positioning groove 8, the positioning between the brake outer disc 1, the heat insulation connecting disc 2 and the fixing inner disc 3 is facilitated, the first bolt hole 9 and the second bolt hole 11 are more easily aligned, the assembly difficulty is reduced, the heat insulation effect is achieved through the heat insulation connecting disc 2, the heat transfer of the brake outer disc 1 is reduced, and the heat insulation connecting disc 2 and the fixing inner disc 3 are prevented from being deformed due to heat, so that the stability between the first bolt hole 9, the second bolt hole 11 and the bolt is affected.

[0036] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion according to the content of the utility model specification and the drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A ceramic composite brake disc, characterized in that, Include: Brake outer disc, heat insulation connecting disc and fixed inner disc; The brake outer disc is provided with an installation groove, the heat insulation connecting disc is installed in the installation groove, a plurality of limiting grooves are formed in the side wall of the installation groove, a plurality of limiting blocks are fixedly connected to the heat insulation connecting disc, the limiting blocks are embedded in the limiting grooves to fix the heat insulation connecting disc and the brake outer disc, a recess is formed in the heat insulation connecting disc, a plurality of positioning grooves are formed in the recess, a first bolt hole is formed in the positioning groove, a plurality of positioning blocks are fixedly connected to the bottom of the fixed inner disc, a plurality of second bolt holes are formed in the fixed inner disc, the positioning blocks are embedded in the positioning grooves to fix the fixed inner disc and the heat insulation connecting disc, and the second bolt holes are aligned with the first bolt holes.

2. The ceramic composite brake disc of claim 1, wherein, The limiting grooves are matched with the limiting blocks, the positioning grooves are matched with the positioning blocks, and the recess is matched with the fixed inner disc.

3. The ceramic composite brake disc of claim 1, wherein, The first bolt hole and the second bolt hole have the same hole diameter.

4. The ceramic composite brake disc of claim 1, wherein, A plurality of heat dissipation holes are formed in the disc surface of the brake outer disc.

5. The ceramic composite brake disc of claim 1, wherein, A plurality of first air ducts are formed in the brake outer disc, a plurality of second air ducts are formed in the heat insulation connecting disc, and the first air ducts are aligned with the second air ducts after the heat insulation connecting disc is installed in the brake outer disc.

6. The ceramic composite brake disc of claim 1, wherein, A plurality of installation holes are formed in the fixed inner disc.