CN216045140U

CN216045140U - Limiting part for limiting brake piece and brake

Info

Publication number: CN216045140U
Application number: CN202121440773.3U
Authority: CN
Inventors: 冯伟智; 黄昊旻; 王国庆; 李传博; 赵飞林
Original assignee: BYD Co Ltd
Current assignee: BYD Co Ltd
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2022-03-15
Anticipated expiration: 2031-06-28

Abstract

The application discloses a locating part and stopper for spacing braking piece, the locating part includes: a main body; the brake block limiting part comprises a bending section and a supporting section, one end of the bending section is connected with the main body, the other end of the bending section is connected with the supporting section, the bending section is abutted against the brake block, and when the brake block is in a braking state, the supporting section is abutted against the other end of the bending section or the main body. The elastic limiting parts are used for limiting the brake block, so that upward or downward displacement of the brake block in the braking or returning process is reduced, and the safety of the vehicle is improved.

Description

Limiting part for limiting brake piece and brake

Technical Field

The application relates to the technical field of vehicles, in particular to a limiting part and a brake for a limiting brake piece.

Background

In the prior art, in the braking process of a brake pad of the brake, the brake pad can move upwards or downwards due to the extrusion force of a piston, so that the risk of reducing the contact braking surface between the brake pad and a brake disc exists, and in the running process of a vehicle, the brake pad can move up and down due to the fluctuation of a road surface, so that noise is easy to generate, the stability of the brake is also reduced, and the driving safety is not facilitated.

In order to solve the above technical problems, it is urgently needed to provide a stopper for limiting a brake pad.

SUMMERY OF THE UTILITY MODEL

The present application is directed to at least solving the problems of the prior art. Therefore, the application provides a limiting part for limiting a brake block, the limiting part is convenient to process, and the processing cost is reduced.

The present application further proposes a brake.

A limiter according to the present application, comprising: a main body; the brake block limiting part comprises a bending section and a supporting section, one end of the bending section is connected with the main body, the other end of the bending section is connected with the supporting section, the bending section is abutted against the brake block, and when the brake block is in a braking state, the supporting section is abutted against the other end of the bending section or the main body. The elastic limiting parts are used for limiting the brake block, so that upward or downward displacement of the brake block in the braking or returning process is reduced, and the safety of the vehicle is improved.

The bending section comprises a connecting section and a limiting section connected with the connecting section, the connecting section is connected with the main body, the limiting section is abutted against the brake piece, and when the brake piece is in a braking state, the supporting section is abutted against the connecting section.

Wherein, the connecting section is connected with the limiting section through an arc.

Wherein, the bending angle of the connecting section relative to the main body is alpha, and the relation formula that alpha, beta satisfy is: alpha is more than or equal to 15 degrees and less than or equal to 45 degrees, and alpha plus beta is 90 degrees.

Wherein the elastic limiting parts (20) are symmetrically arranged along the axis of the limiting part.

The stopper further comprises a plurality of brake pad returning parts (30), wherein when the brake is in a braking state, the returning parts are abutted to the brake pads, and when the brake is switched from the braking state to a releasing state, the returning parts provide returning force for the brake pads.

Wherein, the locating part still includes: the spacing portion of installation axle, the spacing portion of installation axle connect respectively in the both ends of main part.

Wherein, the spacing portion of installation axle is formed with the spacing groove, the spacing portion of installation axle is kept away from the one end of main part is provided with the thorn and colludes, the thorn colludes and stretches into the notch of spacing groove. In some examples of the present application, the main body is provided with at least two brake pad retainers and at least two brake pad return portions on one lateral side thereof, and the at least two brake pad retainers are located between the at least two brake pad return portions.

In order to solve the above technical problem, the present application further provides a brake, including according to the present application: a clamp body; the piston is arranged on the clamp body; the brake block is arranged in the caliper body and is in transmission fit with the piston; the above-mentioned locating part.

The brake comprises the limiting part, wherein the plurality of elastic limiting parts of the limiting part are used for limiting the brake piece, so that the upward or downward displacement of the brake piece in the braking or returning process is reduced, and the safety of a vehicle is improved.

Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.

Drawings

The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of a first angle of a limiting member according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of a second angle of a limiting member according to an embodiment of the present application;

FIG. 3 is an enlarged view of a portion of a retaining member according to an embodiment of the present application;

FIG. 4 is a schematic view of the installation of the position limiter and the latch assembly.

Reference numerals:

a limiting member 1;

a main body 10; an elastic stopper portion 20;

a brake pad retaining surface 21; a connecting section 22; a spacing section 23; a support section 24;

a mounting shaft fixing part 40; a limiting groove 41; a ratchet hook 42; a latch assembly 80.

Detailed Description

Embodiments of the present application will be described in detail below, which are exemplary and are described in detail below with reference to the accompanying drawings.

A stopper 1 of a brake according to an embodiment of the present application is described below with reference to fig. 1 to 4, the brake including: the brake block and the locating part 1, the locating part 1 and the brake block are in butt fit.

As shown in fig. 1 and 2, a stopper 1 of a brake according to an embodiment of the present application includes: a main body 10 and a plurality of elastic limiting parts 20. The elastic limiting parts 20 are respectively connected to two sides of the main body 10, the brake pad limiting part 20 includes a bending section and a supporting section 24, one end of the bending section is connected to the main body 10, the other end of the bending section is connected to the supporting section 24, the bending section is abutted to the brake pad, and when the brake pad is in a braking state, the supporting section 24 is abutted to the other end of the bending section or the main body. The elastic limiting part 20 is in abutting contact with the brake pad, and can mainly limit the brake pad and prevent the brake pad from moving upwards in the braking and returning processes.

As shown in fig. 1 and 2, the elastic limiting part 20 is in abutting contact with the brake pad, the elastic limiting part 20 can receive the reaction force of the brake pad, the elastic limiting parts 20 are multiple, the elastic limiting parts 20 are uniformly distributed, so that the mechanical requirements are met, and the elastic limiting parts 20 can be uniformly stressed, so that the fracture of the elastic limiting parts 20 can be effectively prevented, the service life of the elastic limiting parts 20 is prolonged, a better limiting effect can be achieved, and the vibration of the brake pad is reduced. The elastic limiting parts 20 are respectively connected to two lateral sides of the main body 10, so that the arrangement of the limiting part 1 is facilitated, and the elastic limiting parts 20 can be more conveniently abutted to the brake pad.

In another embodiment, when the brake pad is not braking, the plurality of elastic stoppers 20 abut against the brake pad, thereby reducing the brake pad vibration noise.

In addition, as shown in fig. 1 and 2, the elastic limiting parts 20 and the plurality of elastic limiting parts are integrally formed with the main body 10, so that the connection between the elastic limiting parts 20 and the main body 10 is more stable, and the problems of breakage, deformation and the like of the limiting part 1 caused by stress concentration at the elastic limiting parts 20 and the joint point with the main body 10 are avoided, and the elastic limiting parts 20 and the plurality of elastic limiting parts are integrally formed with the main body 10, so that the processing is more convenient, the processing die is reduced, and the processing cost can be reduced.

According to an alternative embodiment of the present application, as shown in fig. 1 and 2, the bending section includes a connecting section 22 and a limiting section 23 connected thereto, the connecting section 22 is connected to the main body 10, the limiting section abuts against the brake pad, and the supporting section 24 abuts against the connecting section 22 when the brake pad is in a braking state. Connecting segment 22 and spacing section 23, connecting segment 22 connects in the horizontal one side of main part 10, and connecting segment 22 sets up towards horizontal outside slope downwardly bending relatively main part 10 in addition, and spacing section 23 is connected in connecting segment 22, and spacing section 23 sets up towards horizontal inboard bending relatively connecting segment 22 in addition, and the vertical below of spacing section 23 is provided with the spacing face 21 of braking piece.

Connect linkage segment 22 in the horizontal one side of main part 10, and the relative main part 10 of linkage segment 22 is towards the setting of buckling downwards of the horizontal outside slope of orientation, can make the position of the spacing portion 20 of elasticity be closer to the braking piece like this, thereby can make spacing portion 20 of elasticity and braking piece butt contact, and spacing section 23 is connected in linkage segment 22, and spacing section 23 relative linkage segment 22 is towards the setting of horizontal inboard bending, when guaranteeing spacing face 21 of the braking piece of the vertical below of spacing section 23 like this and braking piece butt contact, also can promote the joint strength between spacing section 23 and the linkage segment 22. In addition, the brake piece limiting surface 21 is parallel to the surface of the main body 10 and the surface of the side where the brake piece abuts against, so that the limiting effect of the elastic limiting part 20 can be better ensured, and the brake piece is prevented from moving upwards.

In an embodiment, as shown in fig. 1 and 2, the bending section includes a connection section and a limiting section (23) connected thereto, the connection section is connected to the main body, the limiting section abuts against the brake pad, and when the brake pad is in a braking state, the support section abuts against the connection section. The connecting section is connected with the limiting section in an arc manner. The supporting section 24 is connected to the position-limiting section 23, and the supporting section 24 is bent upward in an inclined manner relative to the position-limiting section 23. Support the relative spacing section 23 slope of section 24 and upwards buckle, and support section 24 and extend towards linkage segment 22, there is the space between support section 24 and the linkage segment 22, when spacing section 23 and braking piece butt, spacing section 23 can atress bending deformation, thereby drive support section 24 moves to linkage segment 22, and finally support section 24 and linkage segment 22 looks butt, linkage segment 22 can play the effect that the butt supported like this, make spacing section 23 contact with the braking piece butt all the time, thereby guarantee spacing effect.

Further, as shown in FIG. 3, the included angle β between the supporting section 24 and the connecting section 22 is not greater than 90 °. The bending angle of the connecting section 22 relative to the main body 10 is α, the bending angle of the supporting section 24 relative to the limiting section 23 is β, and the α and β satisfy the following relation: alpha is more than or equal to 15 degrees and less than or equal to 45 degrees, and alpha plus beta is 90 degrees. The range of the bending angle of the connection section 22 with respect to the main body 10 is set as follows: alpha is more than or equal to 15 degrees and less than or equal to 45 degrees, so that the height difference between the limiting section 23 and the main body 10 can be kept within a certain range, the limiting section 23 can be in abutting contact with the brake pad, and the specific angle can be set according to the actual condition. And the relation between the bending angle of the connecting section 22 relative to the main body 10 and the bending angle of the supporting section 24 relative to the limiting section 23 is set as follows: as can be seen, when the support section 24 abuts against the connecting section 22, the support section 24 is perpendicular to the connecting section 22, so that the support section 24 can be better in abutting contact with the connecting section 22, and the support section 24 is prevented from being relatively displaced when abutting against the connecting section 22.

Optionally, as shown in fig. 1 and fig. 2, the elastic limiting parts 20 are symmetrically disposed along an axis of the limiting part, two elastic limiting parts 20 are correspondingly disposed on one lateral side of the main body 10, and the two elastic limiting parts 20 are disposed at intervals and are symmetrical along the axis of the limiting part. Therefore, the elastic limiting parts 20 are uniformly stressed, the elastic limiting parts 20 are prevented from being broken, the service life of the elastic limiting parts 20 is prolonged, the brake piece is in a balanced state, and the conditions of dragging, abnormal sound and the like of the brake piece are avoided.

Of course, as shown in fig. 4 and fig. 1, the stopper 1 of the brake further includes: the mounting shaft fixing portions 40 are respectively connected to both sides of the body 10 in the longitudinal direction. The mounting shaft fixing parts 40 are arranged on two longitudinal sides of the main body 10, the mounting shaft fixing parts 40 can be fixed with the bolt component 80 of the brake, so that the limiting part 1 can be fixed on the brake, and the limiting part 1 can limit and return the brake block of the brake, thereby ensuring that the brake block can normally work.

In addition, as shown in fig. 4 and fig. 1, the mounting shaft fixing portion 40 is formed with a limiting groove 41, and one end of the mounting shaft fixing portion 40 away from the main body 10 is provided with a ratchet hook 42, and the ratchet hook 42 extends into a notch of the limiting groove 41. The mounting shaft fixing portion 40 is formed with a limiting groove 41, the pin assembly 80 can be fitted into the limiting groove 41, and one end of the mounting shaft fixing portion 40 away from the main body 10 is further provided with a ratchet hook 42, and the ratchet hook 42 extends into a notch of the limiting groove 41, so that the pin assembly 80 can be clamped in the limiting groove 41, and the mounting shaft fixing portion 40 is fixed to the pin assembly 80 due to elastic force, so that the limiting member 1 is fixed to the brake.

The stopper further includes a plurality of brake pad returning portions 30, which are abutted to the brake pads when the brake is in the braking state, and which provide a returning force to the brake pads when the brake is switched from the braking state to the releasing state and is in the non-braking state.

A brake according to an embodiment of the present application includes: the brake comprises a caliper body, a piston, a brake pad and a limiting part 1 of the brake, wherein the piston is arranged in the caliper body, the brake pad is arranged in the caliper body and is in transmission fit with the piston, and a brake pad limiting surface 21 is in butt fit with the upper end surface of the brake pad and is in butt fit with the inner end surface of the brake pad. The brake may be a disc brake.

That is, after the limiting member 1 is fixed to the brake, the pad limiting surface 21 is in abutting fit with the upper end surface of the pad and in abutting fit with the inner end surface of the pad, so that the vibration noise of the pad can be reduced. When the brake block brakes, the piston is in transmission fit with the brake block, the piston can push the brake block towards the transverse inner side direction of the limiting part 1, and when the piston is pushed for a certain distance, the brake block brakes. After braking, the piston stops pushing and returns, and in the process that the piston pushes, the elastic force between the piston and the brake pad is increased, and meanwhile, the return force to the brake pad is increased. In the whole braking process of the braking piece, the braking piece limiting surface 21 is always in butt fit with the upper end surface of the braking piece, so that the upward displacement of the braking piece in the braking process can be avoided.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

In the description of the present application, "the first feature" and "the second feature" may include one or more of the features. In the description of the present application, "a plurality" means two or more. In the description of the present application, the first feature being "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact not directly but via another feature therebetween. In the description of the present application, the first feature being "on," "above" and "over" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature.

In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.

Claims

1. A limiter (1) for limiting a brake pad (70), comprising:

a main body (10);

the brake pad comprises a plurality of elastic limiting parts (20), the elastic limiting parts (20) are respectively connected to two sides of the main body (10), each elastic limiting part (20) comprises a bending section and a supporting section (24), one end of each bending section is connected with the main body (10), the other end of each bending section is connected with the corresponding supporting section (24), each bending section is abutted to the corresponding brake pad, and when the brake pads are in a braking state, the supporting sections (24) are abutted to the other ends of the bending sections or the main body.

2. A limiter (1) as in claim 1 wherein the bent section comprises a connecting section (22) and a limiting section (23) connected thereto, the connecting section (22) being connected to the body (10) and the limiting section being in abutment with the brake pad, the support section (24) being in abutment with the connecting section (22) when the brake pad is in the braking state.

3. A limiting member (1) according to claim 2, characterized in that the connecting section (22) is connected with the limiting section (23) in a circular arc.

4. A limiter (1) as claimed in claim 2 wherein the angle β between the supporting segment (24) and the connecting segment (22) is less than or equal to 90 °.

5. A limiter (1) as claimed in claim 4 wherein the angle of bending of the connecting section (22) relative to the body (10) is α, β satisfying the relationship: alpha is more than or equal to 15 degrees and less than or equal to 45 degrees, and alpha + beta =90 degrees.

6. A limiter (1) as claimed in claim 1 wherein the plurality of resilient limiting portions (20) are arranged symmetrically along the axis of the limiter.

7. A limiter (1) as claimed in any of claims 1 to 6 further comprising a plurality of brake pad return portions (30) which abut the brake pads when the brake is in the braking state and which provide a return force to the brake pads when the brake is switched from the braking state to the released state.

8. A limiter (1) as claimed in any one of claims 1 to 6 wherein the limiter (1) further comprises: the mounting shaft limiting part (40), wherein the mounting shaft limiting part (40) is connected to two ends of the main body (10) respectively.

9. The limiter (1) according to claim 8, wherein the mounting shaft limiting portion (40) is formed with a limiting groove (41), and one end of the mounting shaft limiting portion (40) away from the main body (10) is provided with a ratchet hook (42), and the ratchet hook (42) extends into a notch of the limiting groove (41).

10. A brake, comprising:

a clamp body;

the piston is arranged on the clamp body;

the brake block is arranged in the caliper body and is in transmission fit with the piston;

a limiter (1) according to any of claims 1-9.