CN219101859U

CN219101859U - Self-sealing cylindrical roller bearing

Info

Publication number: CN219101859U
Application number: CN202223251007.XU
Authority: CN
Inventors: 胡学雷; 唐伟; 刘欢; 沈光; 张峰
Original assignee: Changzhou Debiao Bearing Co ltd
Current assignee: Changzhou Debiao Bearing Co ltd
Priority date: 2022-12-02
Filing date: 2022-12-02
Publication date: 2023-05-30
Anticipated expiration: 2032-12-02

Abstract

The utility model relates to the technical field of bearings, in particular to a self-sealing cylindrical roller bearing, which comprises an outer bearing ring and an inner bearing ring, wherein an oil filling hole is formed in the outer side of the outer bearing ring, a groove is formed in the inner circumferential surface of the rear end of the outer bearing ring, a fixing column is fixedly arranged at the outer circumferential edge of the rear end of the outer bearing ring, a rolling body is arranged in the outer bearing ring, a dust cover is arranged at the front end of the inner bearing ring, a circular through hole is formed in the front end of the dust cover, a sealing mechanism is arranged between the outer bearing ring and the rear end of the inner bearing ring, and the purpose of sealing a gap between the bearings is achieved through the sealing mechanism arranged in the self-sealing cylindrical roller bearing, so that the loss of lubricating grease is avoided, the unclean grease is prevented from entering the inside the bearings, the bearings are guaranteed to be in a lubricating state, and the service life of the bearings is prolonged.

Description

Self-sealing cylindrical roller bearing

Technical Field

The utility model relates to the technical field of bearings, in particular to a self-sealing cylindrical roller bearing.

Background

At present, most of self-sealing cylindrical roller bearings are not provided with an effective sealing function, so that when the self-sealing cylindrical roller bearing is used, grease inside the bearing is easy to run off, meanwhile, unclean grease outside the self-sealing cylindrical roller bearing enters the bearing, the lubrication state between the bearings is affected, the friction force between the bearings is increased, and the damage of the bearings is accelerated.

In summary, the present utility model solves the above-mentioned problems in the prior art by designing a self-sealing cylindrical roller bearing.

Disclosure of Invention

The present utility model is directed to a self-sealing cylindrical roller bearing, which solves the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the self-sealing cylindrical roller bearing comprises a bearing outer ring and a bearing inner ring, wherein an oil filling hole is formed in the outer side of the bearing outer ring, a groove is formed in the inner circumferential surface of the rear end of the bearing outer ring, a fixing column is fixedly arranged at the outer circumferential edge of the rear end of the bearing outer ring, rolling bodies are arranged in the bearing outer ring, a dust cover is arranged at the front end of the inner part of the bearing outer ring, a circular through hole is formed in the front end of the dust cover, and a sealing mechanism is arranged between the rear ends of the bearing outer ring and the bearing inner ring;

the sealing mechanism comprises a sealing plate arranged at the rear end of the outer ring of the bearing, a mounting hole matched with the outer side of the fixed column is formed in the surface of the rear end of the sealing plate, and a sealing ring is fixedly arranged at the front end of the sealing plate.

As a preferable scheme of the utility model, the vertical section of the groove is in a circular ring structure.

As a preferable scheme of the utility model, the rolling bodies are inlaid and rotatably arranged in the bearing outer ring, and are circumferentially equidistantly arranged.

As a preferable scheme of the utility model, the outer side of the dust cover is fixedly connected with the inner wall of the bearing outer ring, the front side surface of the dust cover is flush with the front end surface of the bearing outer ring, and the dust cover is made of cold-rolled electroplated tin plate materials.

In a preferred embodiment of the present utility model, the cross section of the bearing inner ring is in a T-shaped structure, and the inside of the bearing inner ring is hollow.

As a preferable scheme of the utility model, the outer side dimension of the vertical end of the bearing inner ring is matched with the inner dimension of the groove, the inner side of the horizontal end of the bearing inner ring is consistent with the inner dimension of the circular through hole, the surface of the horizontal front end of the bearing inner ring is in infinite fit with the rear side surface of the dust cover, and the outer side of the horizontal end of the bearing inner ring is in contact with the outer side surface of the rolling body.

In a preferred embodiment of the present utility model, the fixing post penetrates the front side of the seal ring and engages with the mounting hole.

As a preferred embodiment of the utility model, the sealing ring completely covers the gap between the bearing outer ring and the bearing inner ring, and the front side of the sealing ring is slightly contacted with the rear end surface of the bearing inner ring.

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

according to the self-sealing cylindrical roller bearing, the sealing mechanism is arranged in the self-sealing cylindrical roller bearing, so that the sealing plate is fixed by means of the structural design of the sealing plate, the mounting hole and the sealing ring in the sealing mechanism, the mounting hole is clamped with the fixing column, the purpose of sealing a gap between the bearings is achieved, the loss of lubricating grease is avoided, unclean grease is prevented from entering the bearings, the bearings are guaranteed to be in a lubrication state, and the service life of the bearings is prolonged.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a partially exploded view of the device of the present utility model;

FIG. 3 is a schematic view of the front end structure of the device of the present utility model;

fig. 4 is a schematic structural view of a sealing mechanism of the present utility model.

In the figure: 1. an outer ring of the bearing; 101. a fuel filler hole; 102. a groove; 103. fixing the column; 104. a rolling element; 105. a dust cover; 1051. a circular through hole; 2. a bearing inner ring; 3. a sealing mechanism; 301. a sealing plate; 302. a mounting hole; 303. and (3) sealing rings.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.

In order that the utility model may be readily understood, several embodiments of the utility model will be described more fully hereinafter with reference to the accompanying drawings, in which, however, the utility model may be embodied in many different forms and is not limited to the embodiments described herein, but instead is provided for the purpose of providing a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs, and the terms used herein in this description of the utility model are for the purpose of describing particular embodiments only and are not intended to be limiting of the utility model, with the term "and/or" as used herein including any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, the present utility model provides a technical solution:

the self-sealing cylindrical roller bearing comprises a bearing outer ring 1 and a bearing inner ring 2, wherein an oiling hole 101 is formed in the outer side of the bearing outer ring 1, lubricating grease is conveniently added into the bearing through the oiling hole 101, the lubricating state of the bearing is guaranteed, a groove 102 is formed in the inner circumferential surface of the rear end of the bearing outer ring 1, a fixing column 103 is fixedly arranged at the outer circumferential edge of the rear end of the bearing outer ring 1, rolling bodies 104 are arranged in the bearing outer ring 1, a dust cover 105 is arranged at the front end of the inner part of the bearing outer ring 1, a circular through hole 1051 is formed in the front end of the dust cover 105, and dust outside is prevented from entering a bearing inner cavity by the dust cover 105;

the vertical section of the groove 102 is of a circular ring structure, the rolling bodies 104 are inlaid and rotatably mounted in the bearing outer ring 1, the rolling bodies are arranged at equal intervals in circumference, the outer side of the dust cover 105 is fixedly connected with the inner wall of the bearing outer ring 1, the front side surface of the dust cover 105 is flush with the front end surface of the bearing outer ring 1, the dust cover 105 is made of cold-rolled electroplated tin plate materials, the cross section of the bearing inner ring 2 is of a T-shaped structure, the inner side of the bearing inner ring 2 is hollow and is convenient to be matched with the bearing outer ring 1, the outer side dimension of the vertical end of the bearing inner ring 2 is matched with the inner dimension of the groove 102, the inner side of the horizontal end of the bearing inner ring 2 is consistent with the inner dimension of the circular through hole 1051, the horizontal front end surface of the bearing inner ring 2 is infinitely attached to the rear side surface of the dust cover 105, dust is prevented from entering the bearing from a gap, the outer side of the horizontal end of the bearing inner ring 2 is contacted with the outer side surface of the rolling bodies 104, and the bearing inner ring 2 is convenient to be matched with the rolling bodies 104, and stable rotation of the bearing inner ring 2 is realized.

In this embodiment, referring to fig. 1, 2, 3 and 4, a sealing mechanism 3 is disposed between the rear ends of the bearing outer ring 1 and the bearing inner ring 2, the sealing mechanism 3 includes a sealing plate 301 disposed at the rear end of the bearing outer ring 1, a mounting hole 302 matched with the outer side of the fixing post 103 is formed on the rear end surface of the sealing plate 301, a sealing ring 303 is fixedly disposed at the front end of the sealing plate 301, and the mounting hole 302 is engaged with the fixing post 103, so that the sealing ring 303 better contacts with the rear end surface of the bearing outer ring 1;

the fixing column 103 penetrates through the front side of the sealing ring 303 and is clamped with the mounting hole 302, the sealing ring 303 completely covers the gap between the bearing outer ring 1 and the bearing inner ring 2, the front side of the sealing ring is slightly contacted with the rear end surface of the bearing inner ring 2, the sealing ring 303 plays a role in sealing the gap between the bearing outer ring 1 and the bearing inner ring 2, the problem that the bearing does not have an effective sealing function is effectively solved, the phenomenon that lubricating grease is lost is avoided, and the working state of the bearing is ensured.

The working flow of the utility model is as follows: when the self-sealing cylindrical roller bearing is used, firstly, lubricating grease is added into the bearing outer ring 1 through the oil filling hole 101, secondly, the bearing inner ring 2 is installed, the transverse end of the bearing inner ring 2 is placed into the inner side of the bearing outer ring 1 along the central axis of the bearing outer ring 1 until the outer side of the vertical end of the bearing inner ring 2 is attached to the inner surface of the groove 102, meanwhile, the transverse front end surface of the bearing inner ring 2 is attached to the rear side surface of the dust cover 105 infinitely, the outer side of the transverse end of the bearing inner ring 2 is contacted with the outer side surface of the rolling body 104, the bearing inner ring 2 is rotated under the condition that the rolling body 104 is rotationally connected, finally, a gap between the bearing outer ring 1 and the bearing inner ring 2 is sealed, the installation hole 302 is clamped with the fixed column 103 through the moving sealing plate 301, the fixed contact between the sealing ring 303 and the bearing outer ring 1 is realized, and the purpose of sealing treatment of the bearing is achieved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims

1. The utility model provides a self sealss formula cylindrical roller bearing, includes bearing outer ring (1) and bearing inner ring (2), its characterized in that: the novel bearing is characterized in that an oil filling hole (101) is formed in the outer side of the bearing outer ring (1), a groove (102) is formed in the inner circumferential surface of the rear end of the bearing outer ring (1), a fixing column (103) is fixedly arranged at the outer circumferential edge of the rear end of the bearing outer ring (1), rolling bodies (104) are arranged in the bearing outer ring (1), a dust cover (105) is arranged at the front end of the inner part of the bearing outer ring (1), a circular through hole (1051) is formed in the front end of the dust cover (105), and a sealing mechanism (3) is arranged between the rear ends of the bearing outer ring (1) and the bearing inner ring (2);

the sealing mechanism (3) comprises a sealing plate (301) arranged at the rear end of the bearing outer ring (1), a mounting hole (302) matched with the outer side of the fixing column (103) is formed in the surface of the rear end of the sealing plate (301), and a sealing ring (303) is fixedly arranged at the front end of the sealing plate (301).

2. A self-sealing cylindrical roller bearing according to claim 1, wherein: the vertical section of the groove (102) is in a circular ring structure.

3. A self-sealing cylindrical roller bearing according to claim 1, wherein: the rolling bodies (104) are inlaid and rotatably arranged in the bearing outer ring (1), and are circumferentially equidistantly arranged.

4. A self-sealing cylindrical roller bearing according to claim 1, wherein: the outer side of the dust cover (105) is fixedly connected with the inner wall of the bearing outer ring (1), the front side surface of the dust cover is flush with the front end surface of the bearing outer ring (1), and the dust cover (105) is made of cold-rolled electroplated tin sheet materials.

5. A self-sealing cylindrical roller bearing according to claim 1, wherein: the cross section of the bearing inner ring (2) is of a T-shaped structure, and the inside of the bearing inner ring is hollow.

6. A self-sealing cylindrical roller bearing according to claim 1, wherein: the outer side dimension of the vertical end of the bearing inner ring (2) is matched with the inner dimension of the groove (102), the inner side of the horizontal end of the bearing inner ring is consistent with the inner dimension of the circular through hole (1051), the surface of the horizontal front end of the bearing inner ring (2) is infinitely attached to the rear side surface of the dust cover (105), and the outer side of the horizontal end of the bearing inner ring is contacted with the outer side surface of the rolling body (104).

7. A self-sealing cylindrical roller bearing according to claim 1, wherein: the fixing column (103) penetrates through the front side of the sealing ring (303) and is engaged with the mounting hole (302).

8. A self-sealing cylindrical roller bearing according to claim 1, wherein: the seal ring (303) completely covers the gap between the bearing outer ring (1) and the bearing inner ring (2), and the front side of the seal ring is slightly contacted with the rear end surface of the bearing inner ring (2).