CN216589618U

CN216589618U - Deep groove ball bearing with good sealing performance

Info

Publication number: CN216589618U
Application number: CN202123078174.4U
Authority: CN
Inventors: 李建平
Original assignee: Jinfa Bearing Co ltd
Current assignee: Jinfa Bearing Co ltd
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2022-05-24
Anticipated expiration: 2031-12-08

Abstract

The utility model provides a deep groove ball bearing with good sealing performance, and belongs to the technical field of bearings. It has solved the not good problem of current bearing leakproofness. This deep groove ball bearing that leakproofness is good, including the bearing inner race, the ball, holder and sealing washer, bearing inner race and bearing inner race are located corresponding both ends, all set up the ring channel that supplies corresponding sealing washer installation on the periphery wall, the inside and outside wall of above-mentioned sealing washer respectively with corresponding bearing inner race and bearing inner race, the internal perisporium is inconsistent, all be provided with on the both ends face of bearing inner race and link firmly rather than mutually, and be used for restricting the sealing washer position, and improve the spacing unit one of junction leakproofness, all be provided with on the both ends face of bearing inner race and link firmly rather than mutually, and be used for restricting the sealing washer position, and improve the spacing unit two of junction leakproofness. The utility model has the advantage of good sealing performance.

Description

Deep groove ball bearing with good sealing performance

Technical Field

The utility model belongs to the technical field of bearings, and relates to a deep groove ball bearing with good sealing performance.

Background

The bearing is an important part in the modern mechanical equipment. Its main function is to support the mechanical rotator, reduce the friction coefficient in its motion process and ensure its rotation precision. The existing bearing generally comprises an outer ring, a sealing ring and an inner ring, and the sealing ring generally comprises a rubber body and a framework. However, the device may be used in a poor environment, and the device may be operated with dust and moisture, resulting in the sealing performance being affected, thereby making the balls susceptible to rusting, and reducing the service life of the bearing, or even causing the device to stop working.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides a deep groove ball bearing which solves the problems.

The purpose of the utility model can be realized by the following technical scheme: the utility model provides a deep groove ball bearing that leakproofness is good, includes bearing inner race, ball, holder and sealing washer, its characterized in that, bearing inner race and bearing inner race be located the interior, the periphery wall at corresponding both ends and all set up the ring channel that supplies corresponding sealing washer installation, the inside and outside lateral wall of above-mentioned sealing washer is inconsistent with the outer, interior perisporium of corresponding bearing inner race and bearing inner race respectively, all be provided with on the both ends face of bearing inner race and link firmly rather than mutually, and be used for restricting the sealing washer position to improve the spacing unit one of junction leakproofness, the both ends face of bearing inner race on all be provided with and link firmly rather than mutually, and be used for restricting the sealing washer position, and improve the spacing unit two of junction leakproofness.

In the deep groove ball bearing with good sealing performance, the first limiting unit and the second limiting unit are both composed of limiting rings and a plurality of studs, the limiting rings are arranged on the end faces of the corresponding bearing outer ring and the bearing inner ring, the studs are arranged on the corresponding limiting rings, and the limiting rings are fixed on the corresponding bearing outer ring and the corresponding bearing inner ring through the studs.

In the deep groove ball bearing with good sealing performance, a gap is reserved between the inner peripheral wall of the limiting ring on the bearing outer ring and the outer peripheral wall of the limiting ring on the corresponding bearing inner ring, and the outer end face, located at the corresponding gap, of the sealing ring is provided with a protruding portion protruding outwards in the axial direction.

In foretell deep groove ball bearing that leakproofness is good, the junction of sealing washer and bellying and corresponding spacing ring between be provided with the rubber circle of strengthening the leakproofness, the junction of sealing washer and bellying all set up the embedded groove that supplies the installation of corresponding rubber circle embedding, the tip that spacing ring and rubber circle inconsistent seted up with rubber circle assorted arc wall.

Compared with the prior art, this deep groove ball bearing that leakproofness is good has following advantage:

1. bearing inner race and bearing inner race are located corresponding both ends inside, all set up the ring channel that supplies corresponding sealing washer installation on the periphery wall, the inside of above-mentioned sealing washer, the lateral wall is respectively with corresponding bearing inner race and bearing inner race outside, the internal perisporium is inconsistent, all be provided with on the both ends face of bearing inner race and link firmly rather than mutually, and be used for restricting the sealing washer position, and improve the spacing unit one of junction leakproofness, all be provided with on the both ends face of bearing inner race and link firmly rather than mutually, and be used for restricting the sealing washer position, and improve the spacing unit two of junction leakproofness, the setting of the above-mentioned structure, the leakproofness of junction has been strengthened, and form multiple seal structure.

Drawings

Fig. 1 is a schematic perspective view of the deep groove ball bearing with good sealing performance.

Fig. 2 is a schematic sectional view of the deep groove ball bearing with good sealing performance.

In the figure, 1, a bearing outer ring; 2. a bearing inner race; 3. a seal ring; 4. an annular groove; 5. a limiting ring; 6. a stud; 7. a boss portion; 8. a rubber ring; 9. a groove is embedded; 10. an arc-shaped groove.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1 and 2, the deep groove ball bearing with good sealing performance comprises a bearing outer ring 1, a bearing inner ring 2, balls, a retainer and two sealing rings 3, wherein the sealing rings 3 are arranged between the bearing outer ring 1 and the bearing inner ring 2, the number of the sealing rings 3 is two, annular grooves 4 for installing the corresponding sealing rings 3 are respectively arranged on the inner and outer peripheral walls of the corresponding two end parts of the bearing outer ring 1 and the bearing inner ring 2, the inner and outer side walls of the sealing rings 3 are respectively abutted against the outer and inner peripheral walls of the corresponding bearing outer ring 1 and the bearing inner ring 2, two end surfaces of the bearing outer ring 1 are respectively provided with a first limiting unit which is fixedly connected with the first limiting unit and is used for limiting the position of the sealing ring 3 and improving the sealing performance of a joint, two end surfaces of the bearing inner ring 2 are respectively provided with a second limiting unit which is fixedly connected with the first limiting unit and is used for limiting the position of the sealing ring 3 and improving the sealing performance of the joint, the first limiting unit and the second limiting unit are both composed of limiting rings 5 and a plurality of studs 6, the limiting rings 5 are arranged on the end faces of the corresponding bearing outer ring 1 and the corresponding bearing inner ring 2, the studs 6 are arranged on the corresponding limiting rings 5, the limiting rings 5 are fixed on the corresponding bearing outer ring 1 and the corresponding bearing inner ring 2 through the studs 6, and sealing gaskets for enhancing sealing performance are arranged between the bearing inner ring 2 and the corresponding limiting rings 5 and between the bearing outer ring 1 and the corresponding bearing inner ring 2.

Further saying, in order to improve the leakproofness of junction, leave the space between 5 internal perisporium of spacing ring on the bearing inner race 1 and the 5 periphery walls of spacing ring on the corresponding bearing inner race 2, sealing washer 3 is provided with outside bellied bellying 7 of axial on being located the outer terminal surface of corresponding space department, be provided with the rubber circle 8 of strengthening the leakproofness between the junction of sealing washer 3 and bellying 7 and the corresponding spacing ring 5, the embedded groove 9 of supplying corresponding rubber circle 8 embedding installation is all seted up to the junction of sealing washer 3 and bellying 7, spacing ring 5 and the tip that rubber circle 8 is inconsistent seted up with rubber circle 8 assorted arc wall 10.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims

1. A deep groove ball bearing with good sealing performance comprises a bearing outer ring (1), a bearing inner ring (2), balls, a retainer and a sealing ring (3), it is characterized in that the inner and outer peripheral walls of the bearing outer ring (1) and the bearing inner ring (2) at the corresponding two ends are both provided with annular grooves (4) for installing corresponding sealing rings (3), the inner side wall and the outer side wall of the sealing ring (3) are respectively abutted against the outer circumferential wall and the inner circumferential wall of the corresponding bearing outer ring (1) and the bearing inner ring (2), the two end faces of the bearing outer ring (1) are fixedly connected with the bearing outer ring and used for limiting the position of the sealing ring (3), and the sealing performance of the joint is improved, the two end faces of the bearing inner ring (2) are fixedly connected with the limiting unit I, and the second limiting unit is used for limiting the position of the sealing ring (3) and improving the sealing performance of the joint.

2. The deep groove ball bearing with good sealing performance as claimed in claim 1, wherein the first limiting unit and the second limiting unit are both composed of a limiting ring (5) and a plurality of studs (6), the limiting ring (5) is arranged on the end faces of the corresponding bearing outer ring (1) and the corresponding bearing inner ring (2), the studs (6) are arranged on the corresponding limiting ring (5), and the limiting ring (5) is fixed on the corresponding bearing outer ring (1) and the corresponding bearing inner ring (2) through the studs (6).

3. The deep groove ball bearing with good sealing performance as claimed in claim 2, wherein a gap is reserved between the inner peripheral wall of the limiting ring (5) on the bearing outer ring (1) and the outer peripheral wall of the limiting ring (5) on the corresponding bearing inner ring (2), and the outer end face of the sealing ring (3) at the corresponding gap is provided with a bulge (7) which is bulged outwards in the axial direction.

4. The deep groove ball bearing with good sealing performance according to claim 3, wherein a rubber ring (8) for enhancing sealing performance is arranged between the joint of the sealing ring (3) and the protruding portion (7) and the corresponding limiting ring (5), embedded grooves (9) for embedding and installing the corresponding rubber ring (8) are formed in the joint of the sealing ring (3) and the protruding portion (7), and arc-shaped grooves (10) matched with the rubber ring (8) are formed in the end portions of the limiting ring (5) and the rubber ring (8) in a propping mode.