CN211371016U

CN211371016U - Bearing with low noise

Info

Publication number: CN211371016U
Application number: CN201922135930.9U
Authority: CN
Inventors: 王峰
Original assignee: Tianjin Wei Ao Technology Co ltd
Current assignee: Tianjin Wei Ao Technology Co ltd
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-08-28
Anticipated expiration: 2029-12-03

Abstract

The utility model belongs to the technical field of bearings, in particular to a bearing with low noise, which comprises a support ring, wherein an upper sleeve block is fixedly connected in the support ring, a spring is fixedly connected in the upper sleeve block, a lower sleeve block is fixedly connected at the bottom end of the spring, a silencing layer is fixedly connected at the bottom end of the lower sleeve block, a bearing outer ring is fixedly connected in the silencing layer, a plurality of balls are connected in the bearing outer ring in a rolling manner, and one end of each ball is connected with a bearing inner ring in a rolling manner; the utility model discloses, can play sealed effect through setting up the dust ring, prevent that the lubricating oil in the bearing from leaking the outside, but also play dustproof effect, prevent that the impurity in the air from entering into the inside of bearing, the elastic shrinkage through the spring can slow down the impact of external environment to the bearing, prevents to cause the damage to the bearing, and the sound cotton noise that produces in can effectual reduction bearing rotation of inhaling in blind hole and the blind hole has improved the ability of making an uproar that falls of bearing.

Description

Bearing with low noise

Technical Field

The utility model belongs to the technical field of the bearing, concretely relates to bearing with low noise.

Background

The bearing is an important part in the modern mechanical equipment, plays a role in fixing and reducing load friction coefficient in the mechanical transmission process, is widely applied, can not be separated from the bearing in any place with a rotary bearing, has the main function of supporting a mechanical rotating body, reducing the friction coefficient in the motion process of the mechanical rotating body and ensuring the rotation precision of the mechanical rotating body, generally consists of four parts, namely an outer ring, an inner ring, a rolling body and a retainer, and strictly consists of six parts, namely the outer ring, the inner ring, the rolling body, the retainer, a seal and lubricating oil.

When the existing bearing operates, the existing bearing generates larger noise, influences the surrounding environment and reduces the service life of the bearing, impurities and the like easily fall into the bearing between an inner ring and an outer ring of the existing bearing and on a rolling body or corrosive impurities in the air enter the bearing, the bearing is easily damaged, and the service life is shortened.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a bearing with low noise has characteristics such as noise reduction, dustproof effectual.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a bearing with low noise, includes the support ring, the cover piece on the fixedly connected with in the support ring, go up fixedly connected with spring in the cover piece, the cover piece under the bottom fixedly connected with of spring, the bottom fixedly connected with amortization layer of cover piece down, the inside fixedly connected with bearing inner race on amortization layer, roll connection has a plurality of ball in the bearing inner race, the one end roll connection of ball has the bearing inner race, fixedly connected with dirt ring in the bearing inner race, be provided with the wearing layer in the amortization layer, the surface of wearing layer is provided with fire-retardant layer, the surface on fire-retardant layer is provided with the waterproof layer, the surface of waterproof layer is provided with the amortization cotton.

Preferably, the wear-resistant layer is made of a low-carbon alloy wear-resistant layer, the flame-retardant layer is made of polypropylene resin, the waterproof layer is made of a self-closing polymer cement-based waterproof coating, and the silencing cotton is made of crest sponge.

Preferably, a plurality of blind holes are formed in the bearing outer ring, and sound absorbing cotton is fixedly connected in the blind holes.

Preferably, the front end of the ball is fixedly connected with a retainer.

Preferably, a bearing hole is formed in the dustproof ring.

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

the utility model discloses, can play sealed effect through setting up the dust ring, prevent that the lubricating oil in the bearing from leaking the outside, and still play dustproof effect, prevent that the impurity in the air from entering into the inside of bearing, the elastic contraction through the spring can slow down the impact of external environment to the bearing, prevent to cause the damage to the bearing, the working life of bearing has been improved, the wearing layer can protect the bearing not receive the wearing and tearing of external environment, increase the life of bearing, fire-retardant layer can protect the bearing not damaged under the environment of high temperature combustion, the waterproof layer can prevent the damage of rainwater to the bearing, the noise that the amortization cotton produced when rotating the bearing absorbs.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic front view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 3 is a schematic structural view of a section of the middle muffling layer of the present invention;

in the figure: 1. a support ring; 2. sleeving a sleeve block; 3. a spring; 4. a lower sleeve block; 5. a sound-deadening layer; 6. a bearing outer race; 7. blind holes; 8. sound-absorbing cotton; 9. a ball bearing; 10. a holder; 11. a bearing inner race; 12. a dust ring; 13. a wear layer; 14. a flame retardant layer; 15. a waterproof layer; 16. silencing cotton; 17. and a bearing hole.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-3, the present invention provides the following technical solutions: a bearing with low noise comprises a support ring 1, wherein an upper sleeve block 2 is fixedly connected in the support ring 1, a spring 3 is fixedly connected in the upper sleeve block 2, a lower sleeve block 4 is fixedly connected at the bottom end of the spring 3, the impact force of the external environment on the bearing can be relieved through the elastic contraction of the spring 3, the bearing is prevented from being damaged, the service life of the bearing is prolonged, a silencing layer 5 is fixedly connected at the bottom end of the lower sleeve block 4, a bearing outer ring 6 is fixedly connected in the silencing layer 5, a plurality of balls 9 are connected in the bearing outer ring 6 in a rolling manner, one end of each ball 9 is connected with a bearing inner ring 11 in a rolling manner, a dustproof ring 12 is fixedly connected in the bearing inner ring 11, the dustproof ring 12 can play a sealing role, the lubricating oil in the bearing is prevented from leaking to the outside, the dustproof role is also played, and impurities in the air are prevented from entering the inside of the bearing, be provided with wearing layer 13 in the amortization layer 5, the surface of wearing layer 13 is provided with fire-retardant layer 14, fire-retardant layer 14's surface is provided with waterproof layer 15, waterproof layer 15's surface is provided with amortization cotton 16, and wearing layer 13 can protect the bearing not receive the wearing and tearing of external environment, increases the life of bearing, and fire-retardant layer 14 can protect the bearing not damaged under the environment of high temperature burning, and waterproof layer 15 can prevent the damage of rainwater to the bearing, and the noise that produces when amortization cotton 16 can rotate the bearing absorbs.

Specifically, the wear-resistant layer 13 is made of a low-carbon alloy wear-resistant layer, the flame-retardant layer 14 is made of polypropylene resin, the waterproof layer 15 is made of a self-closing polymer cement-based waterproof coating, and the silencing cotton 16 is made of crest sponge.

Specifically, a plurality of blind hole 7 has been seted up in bearing inner race 6, fixedly connected with inhales the sound cotton 8 in the blind hole 7, and the sound cotton 8 of inhaling in blind hole 7 and the blind hole 7 can effectual reduction bearing rotate the noise that produces, has improved the ability of making an uproar that falls of bearing.

Specifically, the front end of the ball 9 is fixedly connected with a retainer 10.

Specifically, a bearing hole 17 is formed in the dust ring 12.

The utility model discloses a theory of operation and use flow: the utility model discloses during the use, the friction produces the noise between ball 9 and bearing inner race 11 and the bearing inner race 6, and the noise that produces when the bearing rotates can be absorbed to the cotton 8 of inhaling of sound that sets up in blind hole 7 and the blind hole 7, and the effectual noise that produces that has reduced in the bearing rotates, when external environment extrusion support ring 1, goes up colleting 2 extrusion spring 3, and the oppression power that the extrusion produced can be offset to the elasticity of spring 3 to slow down the damage of impact force to the bearing.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Bearing with low noise, comprising a support ring (1), characterized in that: an upper sleeve block (2) is fixedly connected in the support ring (1), a spring (3) is fixedly connected in the upper sleeve block (2), the bottom end of the spring (3) is fixedly connected with a lower sleeve block (4), the bottom end of the lower sleeve block (4) is fixedly connected with a silencing layer (5), a bearing outer ring (6) is fixedly connected inside the silencing layer (5), a plurality of balls (9) are connected in the bearing outer ring (6) in a rolling manner, one end of the ball (9) is connected with a bearing inner ring (11) in a rolling way, a dust ring (12) is fixedly connected in the bearing inner ring (11), a wear-resistant layer (13) is arranged in the sound-deadening layer (5), a flame-retardant layer (14) is arranged on the surface of the wear-resistant layer (13), the surface of the flame-retardant layer (14) is provided with a waterproof layer (15), and the surface of the waterproof layer (15) is provided with silencing cotton (16).

2. A bearing having low noise according to claim 1, wherein: the material of the wear-resistant layer (13) is a low-carbon alloy wear-resistant layer, the material of the flame-retardant layer (14) is polypropylene resin, the material of the waterproof layer (15) is a self-closing polymer cement-based waterproof coating, and the material of the sound-deadening cotton (16) is crest sponge.

3. A bearing having low noise according to claim 1, wherein: a plurality of blind holes (7) are formed in the bearing outer ring (6), and sound absorbing cotton (8) is fixedly connected in the blind holes (7).

4. A bearing having low noise according to claim 1, wherein: the front end of the ball (9) is fixedly connected with a retainer (10).

5. A bearing having low noise according to claim 1, wherein: and a bearing hole (17) is formed in the dust ring (12).