CN215634384U

CN215634384U - Dustproof mechanism with good dustproof effect for deep groove ball bearing

Info

Publication number: CN215634384U
Application number: CN202121536103.1U
Authority: CN
Inventors: 邓凤俊; 陈志龙; 陈顺富; 张万琼
Original assignee: Jiangsu Defeng Bearing Technology Co ltd
Current assignee: Jiangsu Defeng Bearing Technology Co ltd
Priority date: 2021-07-07
Filing date: 2021-07-07
Publication date: 2022-01-25
Anticipated expiration: 2031-07-07

Abstract

The utility model discloses a dustproof mechanism with good dustproof effect for a deep groove ball bearing, which comprises a bearing outer ring and a bearing inner ring, wherein the bearing inner ring is arranged inside the bearing outer ring, a retainer is arranged on the outer surface of the bearing inner ring, a steel ball is arranged inside the retainer, and a sealing dustproof assembly is arranged between the bearing outer ring and the bearing inner ring. According to the utility model, the bearing outer ring, the bearing inner ring, the retainer, the steel ball, the sealing dustproof assembly, the sealing cover, the sealing gasket, the positioning block, the positioning hole, the positioning column, the first sealing ring, the second sealing ring, the first fixing hole, the second fixing hole and the threaded rod are mutually matched, the sealing cover is inserted into the position between the bearing outer ring and the bearing inner ring, so that the positioning column on the sealing cover is inserted into the positioning hole, and then the sealing cover is locked through the threaded rod, thus the sealing cover is prevented from falling off easily, the dustproof effect of the bearing is improved, the service life of the bearing is prolonged, and great convenience is brought to a user.

Description

Dustproof mechanism with good dustproof effect for deep groove ball bearing

Technical Field

The utility model relates to the technical field of deep groove ball bearings, in particular to a dustproof mechanism with a good dustproof effect for a deep groove ball bearing.

Background

The original single-row radial ball bearing of deep groove ball bearing is a kind of rolling bearing with wide application. It features small friction resistance and high rotation speed, and can be used for bearing radial load or combined load acted simultaneously in radial and axial directions, and also can be used for bearing axial load, such as small-power motor, automobile and tractor gear box, machine tool gear box, general machine and tool, etc. A groove ball bearing is one of the most common types of rolling bearings. The deep groove ball bearing is composed of an outer ring, an inner ring, a group of steel balls and a group of retainers.

At present, common deep groove ball bearing in the market generally adopts sealed lid to carry out dustproof processing when using, but sealed lid takes place to drop easily, leads to the dustproof effect of bearing relatively poor, influences the life of bearing, brings very big inconvenience for the user, for this reason, we propose a deep groove ball bearing with dustproof effectual dustproof mechanism.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a dustproof mechanism with good dustproof effect for a deep groove ball bearing, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a dustproof mechanism with good dustproof effect for a deep groove ball bearing comprises a bearing outer ring and a bearing inner ring, wherein the bearing inner ring is arranged inside the bearing outer ring, a retainer is arranged on the outer surface of the bearing inner ring, a steel ball is arranged inside the retainer, and a sealing dustproof assembly is arranged between the bearing outer ring and the bearing inner ring;

the sealing dustproof assembly comprises two sealing covers, the two sealing covers are respectively arranged at the top and the bottom between a bearing outer ring and a bearing inner ring, a sealing gasket is arranged at the bottom of each sealing cover, a positioning block is arranged on the inner wall of the bearing outer ring, a positioning hole is formed in the surface of the positioning block, a positioning column is arranged at the bottom of each sealing cover, one end, away from each sealing cover, of each positioning column sequentially penetrates through the corresponding sealing gasket and the corresponding positioning hole and extends to the outside of the corresponding positioning hole, a first sealing ring is arranged at one side, away from the bearing outer ring, of each sealing cover, a second sealing ring is arranged at one side, away from the bearing inner ring, of each second sealing ring, is tightly contacted with the inner wall of the bearing outer ring, a first fixing hole is formed in the outer surface of the bearing outer ring, and a second fixing hole is formed in one side, close to the first fixing hole, of each sealing cover, the inside of first fixed orifices is provided with the threaded rod, the one end that the threaded rod is close to the bearing inner race runs through first fixed orifices, second sealing washer and second fixed orifices in proper order and extends to the inside of second fixed orifices.

Preferably, the shape of the sealing cover is annular, and one side of the sealing cover, which is far away from the retainer, is positioned on the same plane with the sealing outer ring and the sealing inner ring.

Preferably, one side of the sealing cover, which is far away from the retainer, is provided with a pull ring, and the surface of the pull ring is provided with anti-skid grains.

Preferably, one side of the first sealing ring, which is far away from the sealing cover, is in close contact with the outer side of the bearing inner ring.

Preferably, the surface of the threaded rod is in threaded connection with the first fixing hole and the second fixing hole respectively.

Preferably, the threaded rod is embedded in the outer side of the bearing outer ring, and a handle is mounted on the outer side of the threaded rod.

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

1. according to the utility model, the bearing outer ring, the bearing inner ring, the retainer, the steel ball, the sealing dustproof assembly, the sealing cover, the sealing gasket, the positioning block, the positioning hole, the positioning column, the first sealing ring, the second sealing ring, the first fixing hole, the second fixing hole and the threaded rod are mutually matched, the sealing cover is inserted into the position between the bearing outer ring and the bearing inner ring, so that the positioning column on the sealing cover is inserted into the positioning hole, and then the sealing cover is locked through the threaded rod, thus the sealing cover is prevented from falling off easily, the dustproof effect of the bearing is improved, the service life of the bearing is prolonged, and great convenience is brought to a user.

2. The sealing cover is convenient to take by arranging the pull ring, and the threaded rod is convenient to rotate by arranging the handle.

Drawings

FIG. 1 is a structural cross-sectional view of a front view of the present invention;

FIG. 2 is an enlarged view of a portion of A-A of FIG. 1 in accordance with the present invention;

fig. 3 is a schematic structural view of the bearing of the present invention.

In the figure: the bearing comprises a bearing outer ring 1, a bearing inner ring 2, a retainer 3, a steel ball 4, a sealing dustproof assembly 5, a sealing cover 51, a sealing gasket 52, a positioning block 53, a positioning hole 54, a positioning column 55, a first sealing ring 56, a second sealing ring 57, a first fixing hole 58, a second fixing hole 59, a threaded rod 510, a pull ring 6 and a handle 7.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a dustproof mechanism with good dustproof effect for a deep groove ball bearing comprises a bearing outer ring 1 and a bearing inner ring 2, wherein the bearing inner ring 2 is arranged inside the bearing outer ring 1, a retainer 3 is arranged on the outer surface of the bearing inner ring 2, a steel ball 4 is arranged inside the retainer 3, and a sealing dustproof assembly 5 is arranged between the bearing outer ring 1 and the bearing inner ring 2.

The sealed dustproof assembly 5 comprises two sealing covers 51, the two sealing covers 51 are respectively arranged at the top and the bottom of the position between the bearing outer ring 1 and the bearing inner ring 2, a sealing gasket 52 is arranged at the bottom of each sealing cover 51, a positioning block 53 is arranged on the inner wall of the bearing outer ring 1, a positioning hole 54 is arranged on the surface of the positioning block 53, a positioning column 55 is arranged at the bottom of each sealing cover 51, one end, far away from each sealing cover 51, of each positioning column 55 sequentially penetrates through the corresponding sealing gasket 52 and the corresponding positioning hole 54 and extends to the outside of the corresponding positioning hole 54, a first sealing ring 56 is arranged on one side, far away from the bearing outer ring 1, of each sealing cover 51, a second sealing ring 57 is arranged on one side, far away from the corresponding bearing inner ring 2, of each second sealing ring 57 is in close contact with the inner wall of the bearing outer ring 1, a first fixing hole 58 is arranged on the outer surface of the bearing outer ring 1, and a second fixing hole 59 is arranged on one side, close to the first fixing hole 58, of each sealing cover 41, a threaded rod 510 is arranged inside the first fixing hole 58, and one end of the threaded rod 510, which is close to the bearing inner ring 2, sequentially penetrates through the first fixing hole 58, the second sealing ring 57 and the second fixing hole 59 and extends into the second fixing hole 59.

In practical implementation, the sealing cover 51 is annular in shape, and the side of the sealing cover 51 away from the retainer 3 is in the same plane with the sealing outer ring 1 and the sealing inner ring 2.

In specific implementation, one side of the sealing cover 51, which is far away from the retainer 3, is provided with a pull ring 6, the surface of the pull ring is provided with anti-skid grains, and the pull ring 6 is arranged to achieve the effect of facilitating taking of the sealing cover 51.

In practical implementation, the side of the first sealing ring 56 away from the sealing cover 51 is in close contact with the outer side of the bearing inner ring 2.

In particular embodiments, the threaded shaft 510 has a surface that is threadably engaged with the first and second fixation holes 48 and 49, respectively.

In the specific implementation, the threaded rod 510 is embedded in the outer side of the bearing outer ring 1, the handle 7 is installed on the outer side of the threaded rod 510, and the handle 7 is arranged to facilitate rotation of the threaded rod 510.

When the bearing is used, the bearing outer ring 1, the bearing inner ring 2, the retainer 3, the steel ball 4, the sealing dustproof assembly 5, the sealing cover 51, the sealing gasket 52, the positioning block 53, the positioning hole 54, the positioning column 55, the first sealing ring 56, the second sealing ring 57, the first fixing hole 58, the second fixing hole 59 and the threaded rod 510 are matched with each other, the two sealing covers 51 are respectively inserted into the top and the bottom of the position between the bearing outer ring 1 and the bearing inner ring 2, the positioning block 53 is fixed on the bearing outer ring 1, the positioning column 55 on the sealing cover 51 is inserted into the positioning hole 54 of the positioning block 53, then the threaded rod 510 is rotated to enable the threaded rod 510 to sequentially penetrate through the first fixing hole 58, the second sealing ring 57 and the second fixing hole 59 and extend into the second fixing hole 59, the sealing cover 51 is locked, the sealing cover 51 is prevented from easily falling off, and the dustproof effect of the bearing is improved, the service life of the bearing is prolonged, and great convenience is brought to a user.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a deep groove ball bearing is with dustproof effectual dustproof mechanism, includes bearing inner race (2) and bearing outer lane (1), its characterized in that: the bearing inner ring (2) is arranged inside the bearing outer ring (1), the outer surface of the bearing inner ring (2) is provided with a retainer (3), a steel ball (4) is arranged inside the retainer (3), and a sealing dustproof assembly (5) is arranged between the bearing outer ring (1) and the bearing inner ring (2);

the sealing dustproof assembly (5) comprises two sealing covers (51), wherein the two sealing covers (51) are respectively arranged at the top and the bottom between a bearing outer ring (1) and a bearing inner ring (2), a sealing gasket (52) is arranged at the bottom of each sealing cover (51), a positioning block (53) is arranged on the inner wall of the bearing outer ring (1), a positioning hole (54) is formed in the surface of the positioning block (53), a positioning column (55) is arranged at the bottom of each sealing cover (51), one end, far away from the sealing cover (51), of the positioning column (55) penetrates through the sealing gasket (52) and the positioning hole (54) in sequence and extends to the outside of the positioning hole (54), a first sealing ring (56) is arranged on one side, far away from the bearing outer ring (1), of each sealing cover (51) is provided with a second sealing ring (57) on one side, far away from the bearing inner ring (2), one side that sealed lid (51) was kept away from in second sealing washer (57) and the inner wall in close contact with of bearing inner race (1), the surface of bearing inner race (1) is provided with first fixed orifices (58), one side that sealed lid (51) are close to first fixed orifices (58) is provided with second fixed orifices (59), the inside of first fixed orifices (58) is provided with threaded rod (510), the one end that threaded rod (510) are close to bearing inner race (2) runs through first fixed orifices (58), second sealing washer (57) and second fixed orifices (59) in proper order and extends to the inside of second fixed orifices (59).

2. The dust-proof mechanism for the deep groove ball bearing according to claim 1, wherein the dust-proof mechanism has a good dust-proof effect, and is characterized in that: the shape of the sealing cover (51) is annular, and one side, far away from the retainer (3), of the sealing cover (51) is positioned on the same plane with the bearing outer ring (1) and the bearing inner ring (2).

3. The dust-proof mechanism for the deep groove ball bearing according to claim 1, wherein the dust-proof mechanism has a good dust-proof effect, and is characterized in that: and a pull ring (6) is arranged on one side, away from the retainer (3), of the sealing cover (51), and anti-skid grains are arranged on the surface of the pull ring.

4. The dust-proof mechanism for the deep groove ball bearing according to claim 1, wherein the dust-proof mechanism has a good dust-proof effect, and is characterized in that: one side of the first sealing ring (56) far away from the sealing cover (51) is tightly contacted with the outer side of the bearing inner ring (2).

5. The dust-proof mechanism for the deep groove ball bearing according to claim 1, wherein the dust-proof mechanism has a good dust-proof effect, and is characterized in that: the surface of the threaded rod (510) is in threaded connection with the first fixing hole (58) and the second fixing hole (59) respectively.

6. The dust-proof mechanism for the deep groove ball bearing according to claim 1, wherein the dust-proof mechanism has a good dust-proof effect, and is characterized in that: threaded rod (510) embedding is in the outside of bearing inner race (1), handle (7) are installed to the outside of threaded rod (510).