CN216306508U

CN216306508U - Deep groove ball bearing with non-deviation tightness after assembly

Info

Publication number: CN216306508U
Application number: CN202123107203.5U
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: 2022-04-15
Anticipated expiration: 2031-12-08

Abstract

The utility model provides a deep groove ball bearing with non-deviation tightness after assembly, and belongs to the technical field of bearings. It has solved the not good problem of current bearing leakproofness. This deep groove ball bearing of assembly back leakproofness unbiased, including bearing inner race, ball, holder and sealing washer, and the sealing washer sets up between bearing inner race and bearing inner race, and the quantity of this sealing washer is two, and the sealing washer comprises assembly ring and seal unit, and the lower tip of assembly ring becomes the hem one that supplies the seal unit installation to the direction bending type of bearing inner race, and the upper end of assembly ring becomes hem two that is used for restricting the seal unit position to the direction bending type of bearing inner race, and seal unit is set up by two symmetries, and is located between hem one and the hem two, and with the inconsistent sealed pad of bearing inner race outer wall constitutes. The utility model has the advantage of good sealing performance.

Description

Deep groove ball bearing with non-deviation tightness after assembly

Technical Field

The utility model belongs to the technical field of bearings, and relates to a deep groove ball bearing with non-deviation tightness after assembly.

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 equipment may be applied to a place with a poor environment, and the traditional sealing ring is difficult to bear the erosion of impurities for a long time, so that the sealing ring is easily damaged, the service life of the bearing is affected, and even the equipment stops working.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provide a deep groove ball bearing with good sealing performance and long service life.

The purpose of the utility model can be realized by the following technical scheme: the utility model provides a deep groove ball bearing of assembly back leakproofness unbiased, includes bearing inner circle, ball, holder and sealing washer, and the sealing washer sets up between bearing inner circle and bearing inner circle, and the quantity of this sealing washer is two, its characterized in that, the sealing washer constitute by assembly ring and seal unit, the lower tip of assembly ring to the direction bending type of bearing inner circle form the hem one that supplies the installation of seal unit, and the upper end of assembly ring to the direction bending type of bearing inner circle form the hem two that is used for restricting the seal unit position, the seal unit set up by two symmetries, and be located between hem one and the hem two, and with the inconsistent sealed pad of bearing inner circle outer wall constitutes.

In the deep groove ball bearing with non-deviation tightness after assembly, the inner peripheral walls of the outer ring of the bearing, which are positioned at the two end parts, are provided with stepped grooves for mounting the assembly rings.

In the deep groove ball bearing without deviation of tightness after assembly, the assembly ring and the first folded edge are matched to form an L-shaped structure for installing the sealing unit, and the assembly ring and the second folded edge are matched to form a U-shaped structure for limiting the position of the sealing unit.

In the deep groove ball bearing with non-deviation tightness after assembly, the lower end part of the second folded edge is bent towards the direction of the inner circle of the bearing to form a third folded edge which improves the limiting effect.

In foretell a deep groove ball bearing of assembly back leakproofness unbiased, two be provided with elastic ring pad between the sealed pad, make two through this elastic ring pad leave the space between the sealed pad to make two sealed pads and bearing inner circle conflict and form "eight" font structure, hem one and adjacent sealed pad between also be provided with elastic ring pad that has.

Compared with the prior art, the deep groove ball bearing with non-deviation tightness after assembly has the following advantages:

1. the sealing ring is composed of an assembly ring and a sealing unit, the lower end part of the assembly ring is bent towards the direction of the bearing inner ring to form a first folded edge for mounting the sealing unit, the upper end part of the assembly ring is bent towards the direction of the bearing inner ring to form a second folded edge for limiting the position of the sealing unit, the sealing unit is symmetrically arranged and is located between the first folded edge and the second folded edge and is formed by a sealing gasket which is inconsistent with the outer wall of the bearing inner ring, and the structure is arranged to form a double-layer sealing structure, so that the sealing effect is enhanced.

Drawings

Fig. 1 is a schematic sectional view of the deep groove ball bearing with no variation in sealing performance after assembly.

In the figure, 1, a bearing inner ring; 2. a bearing outer race; 3. assembling a ring; 4. folding the first edge; 5. folding edges II; 6. a gasket; 7. a stepped groove; 8. folding edges; 9. an elastic ring pad.

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 figure 1, the deep groove ball bearing without deviation of tightness after assembly comprises a bearing inner ring 1, a bearing outer ring 2, balls, a retainer and a sealing ring, wherein the sealing ring is arranged between the bearing outer ring 2 and the bearing inner ring 1, the number of the sealing rings is two, the sealing rings are composed of an assembling ring 3 and a sealing unit, the lower end part of the assembling ring 3 is bent towards the direction of the bearing inner ring 1 to form a folded edge 4 for installing the sealing unit, and the upper end part of the assembling ring 3 is bent towards the direction of the bearing inner ring 1 to form a second folding edge 5 for limiting the position of the sealing unit, the sealing unit is formed by two symmetrical folding edges which are arranged between the first folding edge 4 and the second folding edge 5, and a sealing gasket 6 which is abutted against the outer wall of the bearing inner ring 1, an L-shaped structure for installing a sealing unit is formed by the matching of the assembling ring 3 and the first folding edge 4, the assembly ring 3 and the second folding edge 5 are matched to form a U-shaped structure used for limiting the position of the sealing unit.

To put it more specifically, in order to facilitate assembly and prevent the seal ring from contacting the retainer, the inner peripheral walls of the bearing outer ring 2 at the two ends are provided with stepped grooves 7 for the mounting rings 3 to be mounted.

In order to further enhance the limiting effect, the lower end part of the second folding edge 5 is bent towards the direction of the inner circle of the bearing to form a third folding edge 8 for improving the limiting effect.

To be more detailed. In order to facilitate assembly, reduce the wearing and tearing during the assembly, strengthen stability and leakproofness after the assembly simultaneously, two be provided with elastic ring pad 9 between the sealed pad 6, make two through this elastic ring pad 9 leave the space between the sealed pad 6 to make two sealed pads 6 and bearing inner race 1 counterbalance end form "eight" font structure, hem one 4 and adjacent sealed pad 6 between also be provided with elastic ring pad 9.

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 without deviation of tightness after assembly comprises a bearing inner ring (1), a bearing outer ring (2), balls, a retainer and a sealing ring, and the sealing rings are arranged between the bearing outer ring (2) and the bearing inner ring (1), the number of the sealing rings is two, it is characterized in that the sealing ring consists of an assembling ring (3) and a sealing unit, the lower end part of the assembling ring (3) is bent towards the direction of the bearing inner ring (1) to form a folded edge I (4) for installing the sealing unit, and the upper end part of the assembling ring (3) is bent towards the direction of the bearing inner ring (1) to form a second folding edge (5) for limiting the position of the sealing unit, the two sealing units are symmetrically arranged and are positioned between the first folding edge (4) and the second folding edge (5), and a sealing gasket (6) which is abutted against the outer wall of the bearing inner ring (1).

2. The deep groove ball bearing without the deviation of the tightness after the assembly according to claim 1, characterized in that the inner peripheral walls of the bearing outer ring (2) at the two ends are provided with stepped grooves (7) for mounting the assembly rings (3).

3. The deep groove ball bearing free of deviation of tightness after assembly as claimed in claim 1, characterized in that the cooperation of the assembly ring (3) and the first flanging (4) forms an L-shaped structure for the installation of the sealing unit, and the cooperation of the assembly ring (3) and the second flanging (5) forms a U-shaped structure for limiting the position of the sealing unit.

4. The deep groove ball bearing without deviation of tightness after assembly of claim 1, characterized in that the lower end of the second folded edge (5) is bent towards the direction of the inner circle of the bearing to form a third folded edge (8) for improving the limiting effect.

5. The deep groove ball bearing without the deviation of the sealing performance after the assembly according to claim 1, characterized in that an elastic ring gasket (9) with elasticity is arranged between the two sealing gaskets (6), a gap is left between the two sealing gaskets (6) through the elastic ring gasket (9), the two sealing gaskets (6) and the bearing inner ring (1) are abutted to form a structure in a shape like Chinese character 'ba', and the elastic ring gasket (9) with elasticity is also arranged between the folded edge I (4) and the adjacent sealing gasket (6).