CN213360845U

CN213360845U - Deep groove ball bearing with dust covers on two sides

Info

Publication number: CN213360845U
Application number: CN202021886368.XU
Authority: CN
Inventors: 不公告发明人
Original assignee: Jiangsu Tianjing Intelligent Equipment Co ltd
Current assignee: Jiangsu Tianjing Intelligent Equipment Co ltd
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2021-06-04
Anticipated expiration: 2030-09-02

Abstract

The utility model belongs to the technical field of bearings, in particular to a deep groove ball bearing with dust covers on two sides, which comprises a bearing outer ring, a bearing inner ring, a steel ball, a retainer and a dust cover, wherein the bearing outer ring is sleeved outside the bearing inner ring, the opposite peripheral surfaces of the bearing outer ring and the bearing inner ring are provided with guide rail grooves for accommodating the steel ball, the retainer is sleeved on the steel ball, two symmetrically arranged dust covers are arranged in the guide rail grooves on the opposite peripheral surfaces of the bearing outer ring and the bearing inner ring, a plurality of grooves corresponding to the dust covers are arranged on the opposite peripheral surfaces of the bearing outer ring and the bearing inner ring in a surrounding manner, a plurality of grooves are all connected with a slide block in a sliding manner, one side of the slide block close to the dust cover is fixedly connected with an arc-shaped clamping block, the utility model can convey the dust cover to the guide rail grooves for clamping through the arrangement, the service life and the use effect of the bearing are improved.

Description

Deep groove ball bearing with dust covers on two sides

Technical Field

The utility model belongs to the technical field of the bearing, especially, relate to a deep groove ball bearing of shield is taken on two sides.

Background

The bearing is a part for fixing and reducing the friction coefficient of load in the process of mechanical transmission, namely, a part for reducing the friction coefficient in the process of power transmission and keeping the center position of a shaft fixed when other parts move relative to each other on the shaft, and the bearing is a light-weight part in the modern mechanical equipment and mainly has the function of supporting a mechanical rotating body to reduce the friction coefficient of mechanical load in the process of transmission.

However, most of dust covers on the existing bearings are clamped in clamping grooves on the bearings, and the bearings are not provided with devices for fixing the dust covers, so that the dust covers can fall off in the long term, and dust and sundries can fall into the inner rings of the bearings to influence the normal operation of the bearings.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems in the prior art, and providing a deep groove ball bearing with a dustproof cover on two sides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a deep groove ball bearing with dust covers on two sides comprises a bearing outer ring, a bearing inner ring, a steel ball, a retainer and a dust cover, the bearing outer ring is sleeved outside the bearing inner ring, the opposite peripheral surfaces of the bearing outer ring and the bearing inner ring are provided with guide rail grooves for accommodating the steel balls, the retainer is sleeved on the steel ball, two dust covers which are symmetrically arranged are arranged in the guide rail groove on the circumferential surface of the bearing outer ring opposite to the bearing inner ring, a plurality of grooves corresponding to the dust cover are arranged on the opposite peripheral surfaces of the bearing outer ring and the bearing inner ring in a surrounding way, a sliding block is connected in each groove in a sliding way, one side of the sliding block close to the dustproof cover is fixedly connected with an arc-shaped clamping block, the dustproof cover is provided with an annular sliding groove corresponding to the arc-shaped clamping block, the arc-shaped clamping block is clamped in the annular sliding groove, and one side, far away from the arc-shaped clamping block, of the sliding block is fixedly connected with the inner wall of the groove through a spring.

Preferably, the bearing outer ring inner surface, the bearing inner ring outer surface and the retainer are coated with grease layers.

Preferably, the number of the steel balls is multiple, and the multiple steel balls are uniformly arranged between the bearing outer ring and the bearing inner ring.

Preferably, the both ends of slider are equipped with the recess, sliding connection has a plurality of balls in the recess, the edge and the recess of ball contact.

Preferably, the outer circumferential surface of the bearing outer ring is provided with a positioning groove.

Has the advantages that:

1. the utility model discloses in, when relative rotation takes place for bearing inner race and bearing inner race, the steel ball rolls between bearing inner race and bearing inner race, is equipped with the constant head tank that extends along circumference on the surface of bearing inner race simultaneously, has eliminated the phenomenon that the bearing easily skidded, has played the fixed action, has scribbled the grease layer on bearing inner race internal surface, bearing inner race surface, the holder simultaneously for play lubricated effect, reduce the coefficient of friction among the power transmission process.

2. The utility model discloses in, be equipped with the elasticity latch mechanism that corresponds with the shield on global through bearing inner race and bearing inner race's opposition, extrude the arc fixture block at the in-process of installation through the shield, receive extruded in-process when the arc fixture block and drive the slider and slide in the recess, produce the compression to the spring at gliding in-process through the slider to drive the arc fixture block and contract in to the recess, make the shield card go into on the arc fixture block.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a deep groove ball bearing with dust covers on both sides;

fig. 2 is a schematic structural diagram of a point a in fig. 1.

In the figure: 1-bearing outer ring, 2-bearing inner ring, 3-steel ball, 4-retainer, 5-dust cap, 6-slide block, 7-arc fixture block, 8-spring, 9-ball.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a deep groove ball bearing with dust covers on two sides comprises a bearing outer ring 1, a bearing inner ring 2, a steel ball 3, a retainer 4 and a dust cover 5, wherein the bearing outer ring 1 is sleeved outside the bearing inner ring 2, guide rail grooves for accommodating the steel ball 3 are arranged on the opposite peripheral surfaces of the bearing outer ring 1 and the bearing inner ring 2, the retainer 4 is sleeved on the steel ball 3, two dust covers 5 which are symmetrically arranged are arranged in the guide rail grooves on the opposite peripheral surfaces of the bearing outer ring 1 and the bearing inner ring 2, a plurality of grooves corresponding to the dust covers 5 are arranged on the opposite peripheral surfaces of the bearing outer ring 1 and the bearing inner ring 2 in a surrounding manner, a slide block 6 is connected in each groove in a sliding manner, an arc-shaped fixture block 7 is fixedly connected to one side of the slide block 6 close to the dust cover 5, an annular slide groove corresponding to the, the arc-shaped fixture block 7 is clamped in the annular sliding groove, and one side, far away from the arc-shaped fixture block 7, of the sliding block 6 is fixedly connected with the inner wall of the groove through a spring 8.

In this embodiment, the inner surface of the bearing outer ring 1, the outer surface of the bearing inner ring 2 and the retainer 4 are coated with grease layers.

In this embodiment, the number of the steel balls 3 is plural, and the plural steel balls 3 are uniformly arranged between the bearing outer ring 1 and the bearing inner ring 2.

In this embodiment, the both ends of slider 6 are equipped with the recess, sliding connection has a plurality of balls 9 in the recess, the edge and the recess of ball 9 contact.

In this embodiment, the outer circumferential surface of the bearing outer ring 1 is provided with a positioning groove.

The working principle is as follows: when the bearing outer ring 1 and the bearing inner ring 2 rotate relatively, the steel ball 3 rolls between the bearing outer ring 1 and the bearing inner ring 2, meanwhile, the outer surface of the bearing outer ring 1 is provided with positioning grooves extending along the circumferential direction, the phenomenon that the bearing is easy to slip is eliminated, the fixing effect is achieved, meanwhile, the inner surface of the bearing outer ring 1, the outer surface of the bearing inner ring 2 and the retainer 4 are coated with grease layers for playing a lubricating effect, the friction coefficient in the power transmission process is reduced, meanwhile, the opposite peripheral surfaces of the bearing outer ring 1 and the bearing inner ring 2 are provided with elastic clamping mechanisms corresponding to the dust covers 5, the arc-shaped clamping blocks 7 are extruded in the installation process through the dust covers 5, the sliding blocks 6 are driven to slide in the grooves in the extrusion process of the arc-shaped clamping blocks 7, the sliding blocks 6 compress the springs 8 in the sliding process, and accordingly the arc-shaped clamping blocks, so that the dust cap 5 is clamped on the arc-shaped clamping block 7.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A deep groove ball bearing with dust covers on two sides comprises a bearing outer ring (1), a bearing inner ring (2), a steel ball (3), a retainer (4) and a dust cover (5), wherein the bearing outer ring (1) is sleeved on the outer side of the bearing inner ring (2), opposite peripheral surfaces of the bearing outer ring (1) and the bearing inner ring (2) are provided with guide rail grooves for accommodating the steel ball (3), the retainer (4) is sleeved on the steel ball (3), the opposite peripheral surfaces of the bearing outer ring (1) and the bearing inner ring (2) are internally provided with two symmetrically arranged dust covers (5), the opposite peripheral surfaces of the bearing outer ring (1) and the bearing inner ring (2) are provided with a plurality of grooves corresponding to the dust covers (5) in a surrounding manner, a plurality of grooves are internally and all connected with sliding blocks (6) in a sliding manner, one side of each sliding block (6) close to the dust cover (5) is fixedly connected with an arc-shaped, the dustproof cover (5) is provided with an annular sliding groove corresponding to the arc-shaped clamping block (7), the arc-shaped clamping block (7) is clamped in the annular sliding groove, and one side, away from the arc-shaped clamping block (7), of the sliding block (6) is fixedly connected with the inner wall of the groove through a spring (8).

2. The deep groove ball bearing with dust covers on both sides according to claim 1, characterized in that: and the inner surface of the bearing outer ring (1), the outer surface of the bearing inner ring (2) and the retainer (4) are coated with grease layers.

3. The deep groove ball bearing with dust covers on both sides according to claim 1, characterized in that: the number of the steel balls (3) is multiple, and the steel balls (3) are uniformly arranged between the bearing outer ring (1) and the bearing inner ring (2).

4. The deep groove ball bearing with dust covers on both sides according to claim 1, characterized in that: the both ends of slider (6) are equipped with the recess, sliding connection has a plurality of balls (9) in the recess, the edge and the recess of ball (9) contact.

5. The deep groove ball bearing with dust covers on both sides according to claim 1, characterized in that: and the outer circumferential surface of the bearing outer ring (1) is provided with a positioning groove.