CN210484462U

CN210484462U - Brake disc

Info

Publication number: CN210484462U
Application number: CN201921127659.8U
Authority: CN
Inventors: 童昆
Original assignee: Shenzhen Chezvi Auto Parts Co ltd
Current assignee: Shenzhen Chezvi Auto Parts Co ltd
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2020-05-08
Anticipated expiration: 2029-07-18

Abstract

The utility model discloses a brake disc, which comprises a fixed disc body and a brake disc body which are arranged in a split manner, wherein the fixed disc body and the brake disc body are detachably connected through a connecting assembly, the brake disc body comprises an inner annular surface, and a plurality of first connecting blocks protruding towards the center of the inner annular surface are uniformly distributed on the inner annular surface; the edge of the fixed disc body protrudes outwards to form a plurality of uniformly distributed second connecting blocks, and the second connecting blocks correspond to the first connecting blocks one to one; the fixed disc body is stacked on the brake disc body, the axial lead of the fixed disc body is overlapped with the axial lead of the brake disc body, each first connecting block and the corresponding second connecting block are partially or completely overlapped to form an overlapping area, and a connecting assembly penetrates through the overlapping area to lock the brake disc body and the fixed disc body. The utility model provides a brake disc, the good reliability, application scope is wide.

Description

Brake disc

Technical Field

The utility model relates to an automobile brake technical field, specifically speaking relates to a brake disc.

Background

The disc brake comprises a brake disc fixed on the rolling wheel and brake calipers installed on the locomotive, the brake disc is fixedly connected with the rolling wheel and moves synchronously, and the brake calipers can generate sliding friction with the brake disc through opening and closing to form braking force, so that the effects of reducing speed and stopping the vehicle are achieved.

The chinese patent application No. 201220746187.6 discloses a brake disc for a two-wheeled motor vehicle, which comprises a fixed disc and an annular working disc, wherein the fixed disc and the annular working disc are of a split structure, the fixed disc is installed in an inner ring of the annular working disc and has an anti-lock structure between the fixed disc and the annular working disc, and the fixed disc can move in a circumferential gap relative to the annular working disc when a braking system of the two-wheeled motor vehicle instantaneously brakes the annular working disc. The outer edge of the fixed disk is provided with a plurality of convex connecting parts which are uniformly distributed in the circumferential direction, the convex connecting parts are positioned in the diameter direction of the fixed disk, and the inner edge of the annular working disk is provided with a plurality of butt joint parts which correspond to the convex connecting parts one by one. The outer convex connecting part is provided with a first arc-shaped notch, the butt joint part is provided with a second arc-shaped notch opposite to the first arc-shaped notch, and the fixed disc and the annular working disc are fixedly connected together by rivets penetrating through the first arc-shaped notch and the second arc-shaped notch.

When the high-speed emergency brake is carried out, the annular working disc is clamped to stop rotating, and due to the fact that forward impulsive force of the two-wheeled motor vehicle is large, the impulsive force enables the fixed disc to move relative to the annular working disc in a circumferential gap mode when the fixed disc is braked, and the moving plays a certain buffering role. However, in the connection mode, the fixed disc is not in contact with the annular working disc at all, force is transferred only by an anti-lock structure, the reliability is poor, and the fixed disc cannot be applied to a large-mass car.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a brake disc, the good reliability, application scope is wide.

The utility model discloses a technical scheme that brake disc adopted is:

a brake disc comprises a fixed disc body and a brake disc body which are arranged in a split mode, wherein the fixed disc body and the brake disc body are detachably connected through a connecting assembly, the brake disc body comprises an inner ring surface, and a plurality of first connecting blocks protruding towards the center of the inner ring surface are uniformly distributed on the inner ring surface; the edge of the fixed disc body protrudes outwards to form a plurality of uniformly distributed second connecting blocks, and the second connecting blocks correspond to the first connecting blocks one to one; the fixed disc body is stacked on the brake disc body, the axial lead of the fixed disc body is overlapped with the axial lead of the brake disc body, each first connecting block and the corresponding second connecting block are partially or completely overlapped to form an overlapping area, and a connecting assembly penetrates through the overlapping area to lock the brake disc body and the fixed disc body.

Preferably, the surface of the brake disc body is provided with a plurality of pattern grooves.

As preferred scheme, coupling assembling is fastening bolt, including head and threaded screw rod, the second connecting block is located to the head pressure, the screw rod pass the second connecting block and with first connecting block threaded connection.

Preferably, the maximum edge of the second connecting block does not exceed the inner annular surface of the brake disc body.

As a preferred scheme, a plurality of flow channels communicating the inner ring surface with the edge are arranged in the brake disc body, and the flow channels are used for air circulation.

As a preferred scheme, the brake disc body and the first connecting block are integrally formed; the thickness of the first connecting block is lower than that of the brake disc body.

Preferably, one side of the fixed disc body, which is close to the brake disc body, protrudes to form an annular step, and the annular step is opposite to the top surface of the first connecting block so as to assist in positioning the fixed disc body and the brake disc body.

The utility model discloses a brake disc's beneficial effect is: the fixed disc body and the brake disc body are arranged in a split mode, the fixed disc body is arranged on the brake disc body in a stacked mode, the axial lead of the fixed disc body is made to coincide with the axial lead of the brake disc body, meanwhile, each first connecting block and the corresponding second connecting block are partially or completely overlapped to form an overlapping area, and a connecting assembly penetrates through the overlapping area to fasten the brake disc body and the fixed disc body. The brake disk body appears axial vibrations because of its both sides atress is uneven in the braking process, and vibrations transmit first connecting block and second connecting block department, are consumed by the deformation of first connecting block, second connecting block and coupling assembling, have reduced the vibrations of fixed disk body. Meanwhile, the second connecting block of the fixed disc body is partially overlapped with the first connecting block of the brake disc body, so that force transmission is realized by the friction force between the second connecting block and the first connecting block and the connecting assembly together during brake stress, the reliability is good, and the application range is wide.

Drawings

Figure 1 is an exploded view of the brake disc of the present invention.

Figure 2 is the plan view of the brake disc of the utility model.

Figure 3 is a bottom view of the brake disc of the present invention.

Detailed Description

The invention will be further elucidated and described with reference to the following embodiments and drawings in which:

referring to fig. 1 and 2, a brake disc includes a fixed disc 10 and a brake disc 20, which are separately disposed, the fixed disc 10 is mounted on a rotating shaft of a motor vehicle, the brake disc 20 is detachably connected to the fixed disc 10 through a connecting assembly 30, and the brake disc 20 contacts with a friction plate of a braking system during braking.

The brake disc body 20 includes an inner ring surface 21, and a plurality of first connecting blocks 22 protruding toward the center of the inner ring surface 21 are uniformly distributed on the inner ring surface 21. The edge of the fixed tray body 10 protrudes outwards to form a plurality of uniformly distributed second connecting blocks 11, and the second connecting blocks 11 correspond to the first connecting blocks 22 one by one. Wherein the first connecting block 22 protrudes in a radial direction of the brake disc 20 and the second connecting block 11 protrudes in a radial direction of the fixed disc 10.

The fixed disc body 10 is stacked on the brake disc body 20, the axial lead of the fixed disc body 10 is overlapped with the axial lead of the brake disc body 20, each first connecting block 22 is partially or completely overlapped with the corresponding second connecting block 11 to form an overlapping area, and a connecting assembly 30 penetrates through the overlapping area to lock the brake disc body 20 and the fixed disc body 10. In the braking process, axial vibration occurs on the brake disc body 20 due to uneven stress on two sides of the brake disc body, the vibration is transmitted to the first connecting block 22 and the second connecting block 11 and is consumed by the deformation of the first connecting block 22, the second connecting block 11 and the connecting assembly 30, and the vibration of the fixed disc body 10 is reduced. Meanwhile, as the second connecting block 11 of the fixed disc body 10 is partially overlapped with the first connecting block 22 of the brake disc body 20, when the brake is stressed, force transmission is realized by the friction force between the second connecting block 11 and the first connecting block 22 and the connecting assembly 30, and the reliability is good.

The connecting assembly 30 is a fastening bolt and comprises a head 31 and a threaded screw rod 32, the head 31 is pressed on the second connecting block 11, and the threaded screw rod 32 penetrates through the second connecting block 11 and is in threaded connection with the first connecting block 22. When the shaft vibrates axially, the deformation of the screw rod 32 and the second connecting block 11 enables the second connecting block 11 to displace slightly along the screw rod, so that the vibration is reduced.

The surface of the brake disc body 20 is provided with a plurality of grooves 23 to increase the brake friction force. A plurality of flow channels 24 which are communicated with the inner ring surface 21 and the edge are arranged in the brake disc body 20, and the flow channels 24 are used for air circulation. Specifically, when the motor vehicle runs, the rotating shaft rotates at a high speed to drive the brake disc body 20 to rotate, air enters the flow channel 24 from one side of the inner annular surface 21 and is thrown out, and the heat dissipation efficiency is improved.

The brake disc body 20 is integrally formed with the first connection block 22, and the fixing disc body 10 is integrally formed with the second connection block 11, so that the overall reliability is improved. Wherein, first connecting block 22 thickness is less than brake disc body 20 thickness to avoid blockking the runner, the lower first connecting block 22 of thickness simultaneously, the deformation shock attenuation that can be better.

Referring to fig. 2, in the above solution, the maximum edge of the second connecting block 11 does not exceed the inner annular surface 21 of the brake disc 20. Referring to fig. 3, a ring-shaped step 12 is formed by protruding a side of the fixed disc 10 close to the brake disc 20, the ring-shaped step 12 is opposite to the top surface of the first connection block 22, and the top surface of the first connection block 22 is supported on the ring-shaped step 12 during installation to assist in positioning the fixed disc 10 and the brake disc 20, so as to facilitate installation of the connection assembly 30.

The utility model discloses a brake disc, fixed disk body 10 and brake disk body 20 are the components of a whole that can function independently setting, will fix disk body 10 and fold and locate on brake disk body 20 to make the axial lead of fixed disk body 10 coincide with the axial lead of brake disk body 20, make every first connecting

block

22 and 11 parts of the second connecting block that correspond or whole overlap formation overlap region simultaneously, wear to establish a connecting element 30 in order to fasten brake disk body 20 and fixed disk body 10 in the overlap region. In the braking process, axial vibration occurs on the brake disc body 20 due to uneven stress on two sides of the brake disc body, the vibration is transmitted to the first connecting block 22 and the second connecting block 11 and is consumed by the deformation of the first connecting block 22, the second connecting block 11 and the connecting assembly 30, and the vibration of the fixed disc body 10 is reduced. Meanwhile, as the second connecting block 11 of the fixed disc body 10 is partially overlapped with the first connecting block 22 of the brake disc body 20, when the brake is stressed, force transmission is realized by the friction force between the second connecting block 11 and the first connecting block 22 and the connecting assembly 30, so that the reliability is good and the application range is wide.

It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. A brake disc comprises a fixed disc body and a brake disc body which are arranged separately, the fixed disc body and the brake disc body are detachably connected through a connecting component, the brake disc is characterized in that,

the brake disc body comprises an inner ring surface, and a plurality of first connecting blocks protruding towards the center of the inner ring surface are uniformly distributed on the inner ring surface;

the edge of the fixed disc body protrudes outwards to form a plurality of uniformly distributed second connecting blocks, and the second connecting blocks correspond to the first connecting blocks one to one;

the fixed disc body is stacked on the brake disc body, the axial lead of the fixed disc body is overlapped with the axial lead of the brake disc body, each first connecting block and the corresponding second connecting block are partially or completely overlapped to form an overlapping area, and a connecting assembly penetrates through the overlapping area to lock the brake disc body and the fixed disc body.

2. The brake disc of claim 1, wherein the surface of the brake disc is provided with a plurality of grooves.

3. The brake disc according to claim 1, wherein the connecting assembly is a fastening bolt comprising a head and a threaded rod, the head being pressed against the second connecting block, the threaded rod passing through the second connecting block and being in threaded connection with the first connecting block.

4. The brake disc of claim 1, wherein the largest edge of the second attachment tab does not extend beyond the inner annular surface of the brake disc body.

5. A brake disc according to any one of claims 1 to 4, wherein flow channels are provided in the brake disc body to communicate the inner annular surface with the rim, said flow channels being adapted for air circulation.

6. The brake disc of claim 5, wherein the brake disc body is integrally formed with the first connecting block;

the thickness of the first connecting block is lower than that of the brake disc body.

7. The brake disc of claim 5 wherein the side of the fixed disc adjacent the brake disc body is raised to form an annular step opposite the top surface of the first connecting block to assist in positioning the fixed disc body with the brake disc body.