CN112049878A

CN112049878A - Driving ring

Info

Publication number: CN112049878A
Application number: CN201910491411.8A
Authority: CN
Inventors: 朱江; 李峻涛; 郭海广
Original assignee: Hebei Asteria Technology Co ltd
Current assignee: Hebei Asteria Technology Co ltd
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2020-12-08

Abstract

The invention relates to the technical field of brakes on automobiles, in particular to a driving ring in a brake, wherein the driving ring is an annular component on the whole, the central axis of the driving ring is O, the outer surface of the driving ring is a cylindrical surface and is coaxial with the central axis O of the driving ring, radial roller shafts for mounting rollers are uniformly distributed on the outer surface, the central axis of each radial roller shaft is perpendicular to the central axis O of the driving ring, axial positioning roller grooves are formed in one side of each radial roller shaft, and the number of the axial positioning roller grooves corresponds to the number of the radial roller shafts. The driving ring can realize radial positioning of the driving ring through the matching of the outer surface and the roller, realize axial positioning of the driving ring through the matching of the axial positioning roller groove and the roller, and convert the axial movement of the cam into circumferential rotation of the driving ring through the interaction of the roller on the radial roller shaft and the cam.

Description

Driving ring

Technical Field

The invention relates to the technical field of brakes on automobiles, in particular to a driving ring in a brake.

Background

Numerous challenges exist in the design of annular disc brakes. One is to be able to generate a suitable clamping force using an actuator that fits within the space available for the brake. Annular disc brakes are often provided in vehicles, and these are usually mounted within or very close to a respective wheel of the vehicle. Even in the case of large vehicles, the space available for each brake is relatively limited. In addition, vehicle manufacturers are continually seeking increasingly compact brakes to reduce this space. There is always room for improvement in the design of annular disc brakes when it is desired to design an annular disc brake that requires connection to a source of primary power using a pneumatic system as the brake.

Disclosure of Invention

In order to solve the above problems, the present invention is directed to provide a drive ring capable of making a brake more compact, in response to the shortcomings of the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme:

a driving ring is used in an automobile brake, the driving ring is a generally annular component, the central axis of the driving ring is O, the outer surface of the driving ring is a cylindrical surface and is coaxial with the central axis O of the driving ring, radial roller shafts for mounting rollers are uniformly distributed on the outer surface, the central axis of each radial roller shaft is perpendicular to the central axis O of the driving ring, axial positioning roller grooves are formed in one side of each radial roller shaft, and the number of the axial positioning roller grooves corresponds to the number of the radial roller shafts.

Furthermore, the number of the radial roller shafts is 4, the radial roller shafts are uniformly distributed on the outer surface, and an axial positioning roller groove is formed between every two adjacent radial roller shafts.

The driving ring can realize radial positioning of the driving ring through the matching of the outer surface and the roller, realize axial positioning of the driving ring through the matching of the axial positioning roller groove and the roller, and convert the axial movement of the cam into circumferential rotation of the driving ring through the interaction of the roller on the radial roller shaft and the cam.

Drawings

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

FIG. 2 is an enlarged view of a portion of FIG. 1, designated by reference numeral 3;

FIG. 3 is an enlarged view of a portion of the view in the direction B in FIG. 1;

FIG. 4 is an enlarged view of a portion of FIG. 1, numbered 4;

fig. 5 is a partially enlarged view of the view from the direction a in fig. 1.

In the figure: 1. an outer surface; 2. a radial roller shaft; 3. axially positioning the needle groove; 4. and axially positioning the roller groove.

Detailed Description

The following detailed description of the embodiments of the present invention is provided to enable those skilled in the art to more clearly understand the embodiments of the present invention, and the present invention is not limited by the embodiments and the accompanying drawings.

As shown in fig. 1, 2, 3, 4 and 5, a driving ring used in an automobile brake is a generally annular member, the driving ring has a driving ring central axis O, an outer surface 1 of the driving ring is a cylindrical surface and is coaxial with the driving ring central axis O, radial roller shafts 2 for mounting rollers are uniformly distributed on the outer surface 1, the central axes of the radial roller shafts 2 are perpendicular to the driving ring central axis O, axial positioning roller grooves 4 are arranged on one side of the radial roller shafts 2, and the number of the axial positioning roller grooves 4 corresponds to the number of the radial roller shafts 2.

Preferably, the number of the radial roller shafts 2 is 4, the radial roller shafts are uniformly distributed on the outer surface 1, and an axial positioning roller groove 3 is arranged between every two adjacent radial roller shafts 2.

The driving ring can realize the radial positioning of the driving ring through the matching of the outer surface 1 and the roller, realize the axial positioning of the driving ring through the matching of the axial positioning roller groove 4 and the roller, and further ensure the more reliable axial positioning of the driving ring through the matching of the axial positioning roller groove 3 and the roller; the axial movement of the cam is converted into a circumferential rotation of the drive ring by the interaction of the rollers mounted on the radial roller shaft 2 with the cam, so that the device can transmit a purely annular driving force with little resistance.

The embodiments of the present invention are described in detail above with reference to the drawings, but the present invention is not limited to the described embodiments. It will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, which is still within the scope of the invention.

Claims

1. A driving ring used in an automobile brake is characterized in that the driving ring is a generally annular component, the central axis of the driving ring is O, the outer surface (1) of the driving ring is a cylindrical surface and is coaxial with the central axis O of the driving ring, radial roller shafts (2) used for mounting rollers are uniformly distributed on the outer surface (1), the central axis of each radial roller shaft (2) is perpendicular to the central axis O of the driving ring, axial positioning roller grooves (4) are formed in one side of each radial roller shaft (2), and the number of the axial positioning roller grooves (4) corresponds to the number of the radial roller shafts (2).

2. A drive ring according to claim 1, characterized in that the number of radial roller shafts (2) is 4, which are evenly distributed on the outer surface (1), and that an axially positioned roller groove (3) is provided in the middle of each two adjacent radial roller shafts (2).