CN113153936A

CN113153936A - Disc brake pushes away a set position structure

Info

Publication number: CN113153936A
Application number: CN202110376135.8A
Authority: CN
Inventors: 罗公祥; 钟广臣; 傅英; 李若功
Original assignee: Shandong Nahe Auto Parts Co ltd
Current assignee: Shandong Nahe Auto Parts Co ltd
Priority date: 2021-04-08
Filing date: 2021-04-08
Publication date: 2021-07-23

Abstract

The invention provides a disc-type brake push disc position structure, which comprises a bracket, a caliper body, a push disc, a friction assembly and a brake disc, the two push discs are symmetrically arranged on the clamp body, the friction assembly consists of an outer friction plate and an inner friction plate, the outer friction plates and the inner friction plates are symmetrically arranged, the brake disc is arranged in the bracket, and the brake disc is positioned between the outer friction plate and the inner friction plate, so that the caliper body can carry the friction plate with larger area and volume after the volume of the caliper body is increased, the friction plate is more wear-resistant, thereby prolonging the service life of the friction plate, reducing the replacement frequency, increasing the heat capacity of the larger friction plate under the condition of not changing the friction coefficient and the braking torque, in the braking process, the friction plate dissipates heat quickly, and the influence of heat fading on braking force is reduced, so that the braking effect of the novel disc brake is more obvious.

Description

Disc brake pushes away a set position structure

Technical Field

The invention relates to the technical field of disc brakes, in particular to a disc pushing position structure of a disc brake.

Background

The disc brake has the advantages of good thermal stability, stable braking torque, uniform pressure distribution on the friction plate, low noise and the like. The working surface is a plane and two surfaces conduct heat, the disc is easy to cool when rotating, large deformation is not easy to occur, and the braking efficiency is stable, so the brake disc is widely applied to the automobile industry. The disc brake not only has a complex external structure and high shape precision and position precision of parts, but also has the safety use performance directly related to the vehicle braking performance and the life safety of a driver.

When the disc brake works, the friction plate is pressed on the brake disc rotating at high speed by the push disc under the action of air pressure, so that friction force is generated between the friction plate and the brake disc, and the vehicle brake is carried out.

The traditional disc brake is provided with a small friction plate, and the friction contact surface is small, so that the service life of the friction plate is short, the replacement period is short, the braking effect is not good enough, the abrasion of the friction plate is large, the replacement frequency is high, and the replacement cost is high.

Disclosure of Invention

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.

The present invention has been made in view of the above and/or other problems with the conventional disc brakes.

Therefore, the invention aims to provide a disc-type brake pushing disc position structure which can solve the problems that a friction plate and a brake disc of a traditional disc brake have small relative friction working surface, small braking force, large abrasion of the friction plate, high replacement frequency and high replacement cost.

To solve the above technical problem, according to an aspect of the present invention, the present invention provides the following technical solutions:

a disc brake push plate position structure, comprising: the brake caliper comprises a bracket, a caliper body, a push disc, a friction assembly and a brake disc, wherein the bracket is connected with the caliper body through a guide pin, the two push discs are symmetrically arranged on the caliper body, the friction assembly comprises an outer friction disc and an inner friction disc, the outer friction disc and the inner friction disc are arranged on the inner side of the caliper body, the outer friction disc and the inner friction disc are symmetrically arranged, the brake disc is arranged in the bracket, and the brake disc is located between the outer friction disc and the inner friction disc.

As a preferable aspect of the disk brake push plate position structure according to the present invention, wherein: the distance D between the central connecting line of the two push disks and the central position of the brake disk is 147mm-157 mm.

Compared with the prior art: 1. the caliper body can carry on the friction disc of great area and volume than the increase back of traditional brake caliper body, makes the friction disc more wear-resisting to increase the life of friction disc, reduce and change the frequency, and under the condition that does not change coefficient of friction and braking torque, great friction disc thermal capacity increases, and at the braking in-process, the friction disc heat dissipation is fast, reduces the influence of heat decline to braking force, thereby makes the braking effect of novel disc brake more obvious.

2. The distance D between the central connecting line of the two push disks and the central position of the brake disk is 147mm-157mm, so that the stress areas of the two friction plates are uniformly distributed, the friction force of the friction plates acting on the brake disk is balanced, the abrasion degree of the working surface is the same, and the replacement frequency of the friction plates is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise. Wherein:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a schematic view of a portion of the structure of the present invention.

In the figure: 100 brackets, 200 clamp bodies, 300 push discs, 400 friction components, 410 outer friction plates, 420 inner friction plates and 500 brake discs.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described herein, and it will be apparent to those of ordinary skill in the art that the present invention may be practiced without departing from the spirit and scope of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Next, the present invention will be described in detail with reference to the drawings, wherein for convenience of illustration, the cross-sectional view of the device structure is not enlarged partially according to the general scale, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The invention provides a disc brake push disc position structure, the distance D between the central connecting line of two push discs and the central position of a brake disc is 147mm-157mm, so that the stress areas of two friction plates are uniformly distributed, the friction force of the friction plates acting on the brake disc is balanced, the abrasion degree of a working surface is the same, and the replacement frequency of the friction plates is reduced, please refer to fig. 1-3, which comprises a bracket 100, a caliper body 200, a push disc 300, a friction assembly 400 and a brake disc 500;

referring to fig. 1-3, the bracket 100 is connected to the caliper body 200 through a guide pin, the guide pin guides the inner friction plate 420 to contact with the brake disc 500, and cannot be pushed forward, the push plate 300 applies a reaction force to the caliper body 200, the caliper body 200 moves backward under the limit of the guide pin, and simultaneously drives the outer friction plate 410 to move backward, and the outer friction plate 410 contacts with the brake disc 500;

referring to fig. 1, the caliper body 200 is used as a connecting base frame, and after the caliper body 200 is enlarged compared with a conventional brake caliper body, a friction plate with a larger area and a larger volume can be carried, so that the friction plate is more wear-resistant, the service life of the friction plate is prolonged, the replacement frequency is reduced, the heat capacity of the larger friction plate is increased under the condition that the friction coefficient and the braking torque are not changed, the heat dissipation of the friction plate is fast in the braking process, the influence of heat fading on the braking force is reduced, and the braking effect of the novel disc brake is more obvious;

with reference to fig. 1-2, the caliper body 200 is symmetrically provided with two push discs 300, the distance D between the center connecting line of the two push discs 300 and the center of the brake disc 500 is 147mm-157mm, so that the stress areas of the two friction plates are uniformly distributed, the friction force of the friction plates acting on the brake disc 500 is balanced, the abrasion degree of the working surface is the same, and the replacement frequency of the friction plates is reduced;

referring to fig. 1, the friction assembly 400 includes an outer friction plate 410 and an inner friction plate 420, the outer friction plate 410 and the inner friction plate 420 are both disposed on the inner side of the caliper 200, the outer friction plate 410 and the inner friction plate 420 are symmetrically disposed, and the outer friction plate 410 and the inner friction plate 420 cooperate to brake the brake disc 500;

with continued reference to fig. 1, a brake rotor 500 is disposed within the carrier 100, and the brake rotor 500 is disposed between the outer friction plate 410 and the inner friction plate 420.

The working principle is as follows: when the brake works, under the action of air pressure in the air chamber, two push discs 300 act thrust on the inner friction plate 420, because the two friction plates can move back and forth, the inner friction plate 420 is in contact with the brake disc 500 under the action of the two push discs 300, when the two push discs 300 continue to push the inner friction plate 420, the inner friction plate 420 cannot be pushed forward due to being in contact with the brake disc 500, the push discs 300 apply reaction force on the caliper body 200, the caliper body 200 moves backwards under the limit of the guide pin and simultaneously drives the outer friction plate 410 to move backwards, the outer friction plate 410 is in contact with the brake disc 500, and further the outer friction plate 410 and the inner friction plate 420 simultaneously clamp the brake disc 500 rotating together with the wheel, so that friction force is generated for braking, the speed of the vehicle is reduced, the two friction plates are stressed uniformly, the abrasion degrees of the working surfaces are the same, the service lives of the friction plates are prolonged, the replacement times are reduced, The cost is saved, and a more effective braking effect is achieved.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the disclosed embodiments of the invention may be used in any combination, provided that no structural conflict exists, and the combinations are not exhaustively described in this specification merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. A disc brake push plate position structure, comprising: the brake caliper comprises a bracket (100), caliper bodies (200), push discs (300), friction assemblies (400) and brake discs (500), wherein the bracket (100) is connected with the caliper bodies (200) through guide pins, the two push discs (300) are symmetrically arranged on the caliper bodies (200), each friction assembly (400) comprises an outer friction disc (410) and an inner friction disc (420), the outer friction discs (410) and the inner friction discs (420) are arranged on the inner sides of the caliper bodies (200), the outer friction discs (410) and the inner friction discs (420) are symmetrically arranged, the brake discs (500) are arranged in the bracket (100), and the brake discs (500) are located between the outer friction discs (410) and the inner friction discs (420).

2. A disc brake disc pushing position structure according to claim 1, wherein a line connecting the centers of the two pushing discs (300) is located within a range D of 147mm to 157mm from the center of the brake disc (500).