CN220668138U

CN220668138U - Asymmetric four-point angular contact ball bearing

Info

Publication number: CN220668138U
Application number: CN202322018459.1U
Authority: CN
Inventors: 段雷强; 王坤沛; 张双青; 严铮伟; 崔圆圆
Original assignee: Jiangsu Dimengde Bearing Co ltd
Current assignee: Jiangsu Dimengde Bearing Co ltd
Priority date: 2023-07-29
Filing date: 2023-07-29
Publication date: 2024-03-26
Anticipated expiration: 2033-07-29

Abstract

The utility model relates to a bearing, in particular to an asymmetric four-point angular contact ball bearing, which comprises a four-point angular contact ball bearing body, wherein the width of a first outer ring of the four-point angular contact ball bearing body is larger than that of a second outer ring. According to the asymmetric four-point angular contact ball bearing, the width of the stressed outer ring is increased to form an asymmetric structure, so that the strength of the stressed outer ring is enhanced, the problems of deformation, warping and breakage and cracking are avoided, the service life of the bearing is greatly prolonged, and the running stability and reliability of the bearing are improved.

Description

Asymmetric four-point angular contact ball bearing

Technical Field

The utility model relates to a bearing, in particular to an asymmetric four-point angular contact ball bearing.

Background

In the use process of the conventional four-point angular contact ball bearing, the deformation, warping, breakage and cracking of the outer ring are often caused by the influence of factors such as inconsistent axial load, vibration impact and the like applied to the outer ring of the bearing, and finally, the scrapping of the bearing and severe field faults are caused; meanwhile, uneven stress of stress points of the stress outer ring can also cause the problem of large local stress of a single outer ring in the circumferential direction, and the problems of premature fatigue failure, surface peeling and the like of a large stress area are caused.

Disclosure of Invention

In order to solve the problems, the utility model provides an asymmetric four-point angular contact ball bearing which can prevent the problem of outer ring damage and cracking caused by factors such as inconsistent axial load and vibration impact applied to the outer ring of the bearing by reinforcing the outer ring, and the specific technical scheme is as follows:

the utility model provides an asymmetric four-point angular contact ball bearing, includes four-point angular contact ball bearing body, the width of the first outer lane of four-point angular contact ball bearing body is greater than the width of second outer lane.

Preferably, both end surfaces of the inner ring are flush with end surfaces of the first outer ring and the second outer ring.

Preferably, the end face of the first outer ring is provided with a plurality of force point marks.

Further, the stress points are marked as numbers.

Further, the stress point marks are arranged in an annular array.

Compared with the prior art, the utility model has the following beneficial effects:

according to the asymmetric four-point angular contact ball bearing, the width of the stressed outer ring is increased to form an asymmetric structure, so that the strength of the stressed outer ring is enhanced, the problems of deformation, warping and breakage and cracking are avoided, the service life of the bearing is greatly prolonged, and the running stability and reliability of the bearing are improved.

Drawings

FIG. 1 is a schematic structural view of a first embodiment;

fig. 2 is a schematic structural diagram of the second embodiment.

Detailed Description

The utility model will now be further described with reference to the accompanying drawings.

Example 1

As shown in fig. 1, an asymmetric four-point angular contact ball bearing comprises a four-point angular contact ball bearing body, wherein the four-point angular contact ball bearing body comprises a first outer ring 11, a second outer ring 12, rolling bodies 2, a retainer 3 and an inner ring 4, the rolling bodies 2 are movably mounted on the retainer 3, the rolling bodies 2 are movably located in the outer raceways of the inner ring 4, the inner circular surfaces of the first outer ring 11 and the second outer ring 12 are respectively provided with a first inner raceway and a second inner raceway, the first outer ring 11 and the second outer ring 12 are respectively sleeved on the inner ring 4, the first inner raceways and the second inner raceways are oppositely arranged, and the rolling bodies 2 are movably located in the first inner raceways and the second inner raceways. The width D1 of the first outer ring 11 is greater than the width D2 of the second outer ring 12, an asymmetric structure is formed, and the width of the first outer ring 11 is increased, so that the strength of the first outer ring 11 is enhanced, and the first outer ring 11 is used for bearing a force. Wherein both end surfaces of the inner ring 4 are flush with end surfaces of the first outer ring 11 and the second outer ring 12.

Under the condition that the installation dimensions of the inner diameter, the outer diameter and the height of the bearing are not changed, the outer ring is adjusted to be asymmetric and consistent from original symmetric and consistent, the integral strength of the first outer ring 11 can be enhanced, when the bearing is installed and used, the first outer ring 11 is installed at a high stress position, the problems of outer ring deformation, warping, breakage, cracking and the like caused by factors such as inconsistent axial load and vibration impact applied to the outer ring of the bearing can be avoided, the service life of the bearing is greatly prolonged, and the stability and the reliability of the operation of the bearing are improved.

Example two

As shown in fig. 2, on the basis of the above embodiment, the outer end surface annular array of the first outer ring 11 is provided with a plurality of stress point markers 13, and the stress point markers 13 are numerals. The stress point mark 13 can more intuitively observe and record the stress condition of the first outer ring 11 so as to adjust the position and further prolong the service life of the bearing.

The technical principle of the present utility model is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the utility model and should not be taken in any way as limiting the scope of the utility model. Other embodiments of the utility model will occur to those skilled in the art from consideration of the specification and practice of the utility model without the need for inventive faculty, and are within the scope of the claims.

Claims

1. The utility model provides an asymmetric four-point angular contact ball bearing, includes four-point angular contact ball bearing body, its characterized in that, the width of four-point angular contact ball bearing body's first outer lane (11) is greater than the width of second outer lane (12).

2. An asymmetric four-point angular contact ball bearing according to claim 1, characterized in that both end surfaces of the inner ring (4) are flush with the end surfaces of the first outer ring (11) and the second outer ring (12).

3. An asymmetric four-point angular contact ball bearing according to claim 1 or 2, characterized in that the end face of the first outer ring (11) is provided with a number of load point markers (13).

4. An asymmetric four-point angular contact ball bearing according to claim 3, wherein the force point identifier (13) is a number.

5. An asymmetric four-point angular contact ball bearing as claimed in claim 3, wherein said force point markers (13) are arranged in an annular array.