CN214837841U

CN214837841U - Low-noise self-aligning roller bearing

Info

Publication number: CN214837841U
Application number: CN202120016649.8U
Authority: CN
Inventors: 张宝中; 张保全; 申忠涛; 段玉明
Original assignee: Shandong Huagong Bearing Co Ltd
Current assignee: Shandong Huagong Bearing Co Ltd
Priority date: 2021-01-06
Filing date: 2021-01-06
Publication date: 2021-11-23
Anticipated expiration: 2031-01-06

Abstract

The utility model relates to the technical field of bearings, and a self-aligning roller bearing of low noise is disclosed, including outer lane, inner circle, holder and ball, the inner circle is connected with the inside rotation of outer lane, the holder is located between outer lane and the inner circle, the quantity of ball is a plurality of, a plurality of balls all with the inside swing joint of holder, the inner wall of outer lane inlays and is equipped with the silica gel pad, the cavity has been seted up to the inside of silica gel pad. This self-aligning roller bearing of low noise, in the use, the outer lane passes through the ball at the surface rotation of inner circle, can produce the deformation of small range at the inside silica gel pad of rotatory in-process outer lane, meanwhile first spring and second spring are compressed, can cushion the inside of bearing under the elastic force effect of the deformation of silica gel pad and first spring and second spring, the vibrations that the bearing produced when rotating have been reduced, and then the noise reduction of this bearing.

Description

Low-noise self-aligning roller bearing

Technical Field

The utility model relates to a bearing technical field specifically is a self-aligning roller bearing of low noise.

Background

The self-aligning roller bearing has self-aligning performance, so that the self-aligning roller bearing is not easily affected by the angle between the shaft and the bearing box seat to the error or the bending of the shaft, and is suitable for the occasions with the angle error caused by installation error or shaft deflection. The bearing can bear radial load and axial load with bidirectional action.

Some traditional bearings mainly comprise outer lane, inner circle and inside ball isotructure, and the inner circle passes through the ball and rotates in the inside of outer lane when using, and when the live time of bearing is longer, can produce the noise at the in-process of work, some self-aligning roller bearing's that have now noise reduction effect is not very good, for this we have proposed a self-aligning roller bearing of low noise.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a self-aligning roller bearing of low noise possesses the good advantage of noise reduction effect, has solved the problem that proposes among the above-mentioned background art.

(II) technical scheme

The utility model provides a following technical scheme: the utility model provides a self-aligning roller bearing of low noise, includes outer lane, inner circle, holder and ball, the inner circle is connected with the inside rotation of outer lane, the holder is located between outer lane and the inner circle, the quantity of ball is a plurality of, a plurality of balls all with the inside swing joint of holder, the inner wall of outer lane inlays and is equipped with the silica gel pad, the cavity has been seted up to the inside of silica gel pad.

The inside fixedly connected with baffle of cavity, one side fixedly connected with reference column of baffle, the fixed cover in side surface of reference column has connect first spring, the one end and the baffle fixed connection of first spring, the other end of first spring and the inside wall fixed connection of cavity, one side fixedly connected with locating lever of baffle, one side fixedly connected with second spring of baffle, the second spring cup joints with the side surface of locating lever, the one end that the baffle was kept away from to the second spring and the inside wall fixed connection of cavity.

Preferably, the retainer is internally provided with a spherical groove, and the ball is movably connected with the inside of the spherical groove.

Preferably, the first spring is a thin spring, and the second spring is a thick spring.

Preferably, the number of the positioning columns and the number of the first springs are two, and the two positioning columns are parallel to each other.

Preferably, an oil injection channel is formed in the outer ring and communicated with the inside of the retainer.

Preferably, an oil filling hole is formed in the side surface of the outer ring, and the oil filling hole is communicated with the inside of the oil filling channel.

Compared with the prior art, the utility model provides a self-aligning roller bearing of low noise possesses following beneficial effect:

1. this self-aligning roller bearing of low noise, in the use, the outer lane passes through the ball at the surface rotation of inner circle, can produce the deformation of small range at the inside silica gel pad of rotatory in-process outer lane, meanwhile first spring and second spring are compressed, can cushion the inside of bearing under the elastic force effect of the deformation of silica gel pad and first spring and second spring, the vibrations that the bearing produced when rotating have been reduced, and then the noise reduction of this bearing.

2. This self-aligning roller bearing of low noise through being provided with oil filler point and oiling passageway, through the inside injection lubricating oil to the oil filler point, lubricating oil can enter into the inside of holder through the oiling passageway, then is convenient for lubricate the inside ball of holder for the device has reached the lubricated effect of being convenient for when using.

Drawings

FIG. 1 is a sectional view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is an enlarged view of a structure a in fig. 1 according to the present invention.

Wherein: 1. an outer ring; 2. an inner ring; 3. a holder; 4. a ball bearing; 5. a spherical groove; 6. a silica gel pad; 7. a cavity; 8. a partition plate; 9. a positioning column; 10. a first spring; 11. positioning a rod; 12. a second spring; 13. an oil filler hole; 14. and an oil filling channel.

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.

Referring to fig. 1-3, a low-noise self-aligning roller bearing includes an outer ring 1, an inner ring 2, a retainer 3 and balls 4, the inner ring 2 is rotatably connected with the inner portion of the outer ring 1, the retainer 3 is located between the outer ring 1 and the inner ring 2, the balls 4 are provided in a plurality, the balls 4 are movably connected with the inner portion of the retainer 3, a spherical groove 5 is provided in the retainer 3, the balls 4 are movably connected with the inner portion of the spherical groove 5, the balls 4 can rotate in the spherical groove 5, a silica gel pad 6 is embedded in the inner wall of the outer ring 1, and a cavity 7 is provided in the silica gel pad 6.

The inside of cavity 7 is fixedly connected with baffle 8, one side of baffle 8 is fixedly connected with locating column 9, the side surface of locating column 9 is fixedly sleeved with first spring 10, one end of first spring 10 is fixedly connected with baffle 8, the other end of first spring 10 is fixedly connected with the inner side wall of cavity 7, the quantity of locating column 9 and first spring 10 is two, two locating columns 9 are parallel to each other, one side of baffle 8 is fixedly connected with locating rod 11, one side of baffle 8 is fixedly connected with second spring 12, first spring 10 is thin spring, second spring 12 is thick spring, under the elastic force action of first spring 10 and second spring 12, the inside of the bearing is conveniently buffered, the noise of the bearing during rotation is reduced, second spring 12 is sleeved with the side surface of locating rod 11, the end of second spring 12 far away from baffle 8 is fixedly connected with the inner side wall of cavity 7, oiling passageway 14 has been seted up to outer lane 1's inside, oiling passageway 14 and holder 3's inside intercommunication, and oil filler point 13 has been seted up to outer lane 1's side surface, and oil filler point 13 and oiling passageway 14's inside intercommunication, through the inside additional lubrication oil to oil filler point 13 for lubricating oil can enter into the inside of bearing through oiling passageway 14, makes this bearing reach the effect of being convenient for adjust lubricating oil when using.

When the bearing is used, the outer ring 1 rotates on the surface of the inner ring 2 through the balls 4, the silica gel pad 6 inside the outer ring 1 can generate small-amplitude deformation in the rotating process, the cavity 7 deforms, the first spring 10 and the second spring 12 are compressed, the inside of the bearing can be buffered under the deformation of the silica gel pad 6 and the elastic action of the first spring 10 and the second spring 12, the vibration of the bearing generated when the bearing rotates is reduced, and the noise of the bearing when the bearing rotates is reduced.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a self-aligning roller bearing of low noise, includes outer lane (1), inner circle (2), holder (3) and ball (4), its characterized in that: the inner ring (2) is rotatably connected with the inner part of the outer ring (1), the retainer (3) is positioned between the outer ring (1) and the inner ring (2), the number of the balls (4) is multiple, the balls (4) are movably connected with the inner part of the retainer (3), a silica gel pad (6) is embedded in the inner wall of the outer ring (1), and a cavity (7) is formed in the silica gel pad (6);

the inside fixedly connected with baffle (8) of cavity (7), one side fixedly connected with reference column (9) of baffle (8), first spring (10) have been cup jointed to the side surface of reference column (9) is fixed, the one end and the baffle (8) fixed connection of first spring (10), the other end of first spring (10) and the inside wall fixed connection of cavity (7), one side fixedly connected with locating lever (11) of baffle (8), one side fixedly connected with second spring (12) of baffle (8), second spring (12) cup joint with the side surface of locating lever (11), the one end that baffle (8) were kept away from in second spring (12) and the inside wall fixed connection of cavity (7).

2. A low noise self-aligning roller bearing according to claim 1, wherein: spherical grooves (5) are formed in the retainer (3), and the balls (4) are movably connected with the insides of the spherical grooves (5).

3. A low noise self-aligning roller bearing according to claim 1, wherein: the first spring (10) is a thin spring, and the second spring (12) is a thick spring.

4. A low noise self-aligning roller bearing according to claim 1, wherein: the number of the positioning columns (9) and the number of the first springs (10) are two, and the two positioning columns (9) are parallel to each other.

5. A low noise self-aligning roller bearing according to claim 1, wherein: an oil injection channel (14) is formed in the outer ring (1), and the oil injection channel (14) is communicated with the inside of the retainer (3).

6. A low noise self-aligning roller bearing according to claim 5, wherein: an oil filling hole (13) is formed in the side surface of the outer ring (1), and the oil filling hole (13) is communicated with the inside of the oil filling channel (14).