CN219197917U

CN219197917U - Automobile hub retainer

Info

Publication number: CN219197917U
Application number: CN202320293306.5U
Authority: CN
Inventors: 苏晓建; 董安
Original assignee: Anhui Zhongjian Auto Parts Co ltd
Current assignee: Anhui Zhongjian Auto Parts Co ltd
Priority date: 2023-02-20
Filing date: 2023-02-20
Publication date: 2023-06-16
Anticipated expiration: 2033-02-20

Abstract

The utility model discloses an automobile hub retainer, and belongs to the technical field of automobile parts. The utility model comprises a retainer body; the inner wall of the retainer body is provided with an inner annular groove, the outer wall of the retainer body is provided with an outer annular groove, and the retainer body is provided with a plurality of ball grooves for installing balls; an inner check ring is fixedly connected to the inner ring groove, an outer check ring is fixedly connected to the outer ring groove, and the inner check ring and the outer check ring are respectively used for limiting and fixing two sides of the ball; the outer retainer ring is provided with a plurality of first ball wrapping structures which are in one-to-one correspondence with the ball grooves, and the inner retainer ring is provided with a plurality of second ball wrapping structures which are in one-to-one correspondence with the ball grooves; according to the retainer, the retainer body is connected with the inner retainer ring and the outer retainer ring, the second ball-wrapping structure and the first ball-wrapping structure are respectively arranged on the inner retainer ring and the outer retainer ring, and the two sides of the ball are respectively limited and fixed, so that the stability of the ball is ensured.

Description

Automobile hub retainer

Technical Field

The utility model relates to the technical field of automobile accessories, in particular to an automobile hub retainer.

Background

Automobile hub cage (i.e. bearing cage, also known as bearing cage), refers to a bearing part that partly encloses all or part of the rolling elements and moves therewith to isolate the rolling elements, typically also to guide the rolling elements and keep them in the bearing, which is subjected to great centrifugal forces, impacts and vibrations during operation, especially when the load is complex and rotating at high speed, and there is great sliding friction between the cage and the rolling elements and generates a lot of heat.

At present, when the existing hub bearing retainer is used, balls are installed on the retainer, stability needs to be guaranteed when the balls roll at high speed, falling of the balls is avoided, the existing retainer lacks a limiting mechanism for the balls, and the problem that how to further guarantee stability of the balls is needed to be solved.

Disclosure of Invention

Aiming at the technical defects, the utility model aims to provide the automobile hub retainer, and the problem of poor stability of balls is solved by connecting an inner retainer ring and an outer retainer ring on a retainer main body.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides an automobile hub retainer, which comprises a retainer main body; the inner wall of the retainer body is provided with an inner annular groove, the outer wall of the retainer body is provided with an outer annular groove, and the retainer body is provided with a plurality of ball grooves for installing balls; an inner retainer ring is fixedly connected to the inner ring groove, an outer retainer ring is fixedly connected to the outer ring groove, and the inner retainer ring and the outer retainer ring are respectively used for limiting and fixing two sides of the ball; the outer retainer ring is provided with a plurality of first ball wrapping structures corresponding to the ball grooves one by one, and the inner retainer ring is provided with a plurality of second ball wrapping structures corresponding to the ball grooves one by one.

As a preferable technical scheme of the utility model, the first ball wrapping structure is provided with a first ball wrapping groove, and the second ball wrapping structure is provided with a second ball wrapping groove.

As a preferable technical scheme of the utility model, the inner retainer ring is in interference connection with the inner ring groove, and the outer retainer ring is in interference connection with the outer ring groove.

As a preferable technical scheme of the utility model, the retainer main body is provided with an oil filling hole, the ball groove is internally provided with an oil outlet, and the oil outlet is communicated with the oil filling hole.

As a preferable technical scheme of the utility model, the inner retainer ring and the outer retainer ring are respectively provided with a pair and are respectively distributed vertically symmetrically relative to the retainer main body.

As a preferable technical scheme of the utility model, the inner diameter of the inner retainer ring is smaller than the inner diameter of the retainer main body, and the outer diameter of the outer retainer ring is larger than the outer diameter of the retainer main body.

The utility model has the beneficial effects that: according to the retainer, the retainer body is connected with the inner retainer ring and the outer retainer ring, the second ball-wrapping structure and the first ball-wrapping structure are respectively arranged on the inner retainer ring and the outer retainer ring, and the two sides of the ball are respectively limited and fixed, so that the stability of the ball is ensured.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic structural view of a cage body;

FIG. 3 is a schematic view of the structure of the outer retainer ring;

fig. 4 is a schematic structural view of the inner retainer ring.

Reference numerals illustrate: 1-a retainer main body, 101-an inner annular groove, 102-an outer annular groove, 103-a ball groove, 104-an oil filling hole, 105-an oil outlet hole, 2-an outer check ring, 201-a first ball-wrapping structure, 202-a first ball-wrapping groove, 3-an inner check ring, 301-a second ball-wrapping structure and 302-a second ball-wrapping groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: as shown in fig. 1 to 4, the present embodiment is an automobile hub cage including a cage main body 1; the inner wall of the retainer body 1 is provided with an inner ring groove 101, the outer wall of the retainer body 1 is provided with an outer ring groove 102, and the retainer body 1 is provided with a plurality of ball grooves 103 for installing balls; the inner ring groove 101 is fixedly connected with the inner retainer ring 3, the outer ring groove 102 is fixedly connected with the outer retainer ring 2, the inner retainer ring 3 and the outer retainer ring 2 are respectively provided with a pair of rings which are distributed symmetrically up and down relative to the retainer body 1, the inner retainer ring 3 is in interference connection with the inner ring groove 101, the outer retainer ring 2 is in interference connection with the outer ring groove 102, the inner retainer ring 3 and the outer retainer ring 2 are mounted on the retainer body 1 through external force, the inner retainer ring 3 and the outer retainer ring 2 are guaranteed to be stably connected with the retainer body 1, and the inner retainer ring 3 and the outer retainer ring 2 are respectively limited and fixed on two sides of a ball.

Preferably, the inner diameter of the inner retainer ring 3 is smaller than the inner diameter of the retainer body 1, the outer diameter of the outer retainer ring 2 is larger than the outer diameter of the retainer body 1, a plurality of first ball-wrapping structures 201 in one-to-one correspondence with the ball grooves 103 are arranged on the outer retainer ring 2, the end face of the outer retainer ring 2 of the first ball-wrapping structures 201 is close to the outer surface, a plurality of second ball-wrapping structures 301 in one-to-one correspondence with the ball grooves 103 are arranged on the inner retainer ring 3, the end face of the second ball-wrapping structures 301 close to the inner surface, a first ball-wrapping groove 202 is arranged on the first ball-wrapping structures 201, a second ball-wrapping groove 302 is arranged on the second ball-wrapping structures 301, and the first ball-wrapping grooves 202 and the second ball-wrapping grooves 302 are all arranged to be spherical grooves matched with balls, so that the balls roll stably on the retainer body 1.

For convenient oiling, the retainer body 1 is provided with an oil filler hole 104, the ball groove 103 is provided with an oil outlet 105, the oil outlet 105 is communicated with the oil filler hole 104, and the retainer body 1 is internally oiled through the oil filler hole 104 to lubricate the balls.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. An automotive hub cage, characterized by comprising a cage body (1);

an inner ring groove (101) is formed in the inner wall of the retainer body (1), an outer ring groove (102) is formed in the outer wall of the retainer body (1), and a plurality of ball grooves (103) for mounting balls are formed in the retainer body (1);

an inner retainer ring (3) is fixedly connected to the inner ring groove (101), an outer retainer ring (2) is fixedly connected to the outer ring groove (102), and the inner retainer ring (3) and the outer retainer ring (2) are respectively used for limiting and fixing two sides of a ball;

the outer retainer ring (2) is provided with a plurality of first ball wrapping structures (201) which are in one-to-one correspondence with the ball grooves (103), and the inner retainer ring (3) is provided with a plurality of second ball wrapping structures (301) which are in one-to-one correspondence with the ball grooves (103).

2. An automobile hub holder as claimed in claim 1, characterized in that the first ball-packing structure (201) is provided with a first ball-packing groove (202), and the second ball-packing structure (301) is provided with a second ball-packing groove (302).

3. An automotive hub holder as claimed in claim 2, characterized in that said inner collar (3) is in interference connection with said inner annular groove (101) and said outer collar (2) is in interference connection with said outer annular groove (102).

4. A vehicle hub holder as claimed in claim 3, characterized in that the holder body (1) is provided with an oil filler hole (104), an oil outlet hole (105) is provided in the ball groove (103), and the oil outlet hole (105) is communicated with the oil filler hole (104).

5. An automobile hub holder as claimed in claim 4, wherein the inner collar (3) and the outer collar (2) are provided with a pair and are respectively distributed symmetrically up and down with respect to the holder body (1).

6. An automotive hub holder as claimed in claim 5, characterized in that said inner collar (3) has an inner diameter smaller than the inner diameter of said holder body (1), and said outer collar (2) has an outer diameter larger than the outer diameter of said holder body (1).