CN216199832U

CN216199832U - Shock-absorbing bearing

Info

Publication number: CN216199832U
Application number: CN202122797156.5U
Authority: CN
Inventors: 韩云朋
Original assignee: Changzhou Fengchuan Electromechanical Co ltd
Current assignee: Jiangsu Jiale Bearing Co ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-04-05
Anticipated expiration: 2031-11-16

Abstract

The utility model provides a shock absorption bearing which comprises a plurality of balls, an outer bearing outer ring with an inner groove raceway and an inner bearing inner ring with an outer groove raceway, wherein the balls are in a gyro shape, the center of each ball is raised, the thickness of each ball is gradually reduced from the middle to two sides, an annular groove is formed in the inner surface of the outer bearing ring, a buffer raceway is arranged between each annular groove and each ball, the shape of each annular groove is matched with the shape of the outer surface of each buffer raceway, the raceway surface of each buffer raceway is in fit contact with each ball, and lubricating oil is filled among each buffer raceway, each ball and the outer bearing ring.

Description

Shock-absorbing bearing

Technical Field

The utility model relates to a damper bearing which can reduce vibration in a radial direction.

Background

The bearing is used for determining the relative movement position of the rotating shaft and other parts, and is a part with a supporting or guiding function, so that the mechanical load friction coefficient of the equipment in the transmission process is reduced. Its precision, performance, life-span and reliability play decisive role to the precision, performance, life-span and the reliability of host computer, in order to guarantee the performance of bearing, need add emollient to the bearing to guarantee the performance of bearing, extension bearing life.

The rolling bearing can vibrate in the working process, the vibration is caused because the rolling bearing deforms under the action of load when the rolling bearing rotates, the vibration of the inner ring and the outer ring of the bearing is mainly in the vibration mode, the vibration of the rolling bearing is basically caused by the vibration of the bearing ring, the deformation of the inner ring and the outer ring of the rolling bearing is the main reason for generating the vibration, and the impact between the inner ring and the outer ring of the rolling bearing and the rolling body is the main reason for causing the deformation of the inner ring and the outer ring of the bearing, so the impact between the inner ring and the outer ring of the rolling bearing and the rolling body is reduced, the deformation of the inner ring and the outer ring of the rolling bearing is reduced, the vibration of the rolling bearing can be reduced, and the service life and the performance of the bearing can be effectively improved.

SUMMERY OF THE UTILITY MODEL

Based on the technical problems, the utility model solves the defects of the prior art by the following scheme: the design is a damping bearing, which comprises a plurality of balls, an outer bearing outer ring with an inner groove roller path and an inner bearing inner ring with an outer groove roller path, wherein the plurality of balls are in a central convex shape, the thickness of the central convex bearing outer ring is gradually reduced from the middle to the two sides, the inner surface of the bearing outer ring is provided with an annular groove, a buffering roller path is arranged between the annular groove and the balls, the shape of the annular groove is matched with that of the outer surface of the buffering roller path, the roller path surface of the buffering roller path is in matched contact with the balls, and lubricating oil is filled between the buffering roller path, the balls and the bearing outer ring.

The axial direction of bearing outer ring is provided with a plurality of parallel buffering raceways, evenly is provided with a plurality of backing sheets along the bearing radial between every two adjacent buffering raceways, and backing sheet one end is connected on the bearing outer ring inside wall, and there is little clearance at the other end and the lateral wall of bearing inner ring, and the backing sheet adopts the elastic steel sheet to support bearing outer ring and bearing inner ring in the footpath to absorb some radial vibration, reduce the wearing and tearing between bearing outer ring and the inner ring.

The buffering raceway comprises a raceway and a plurality of buffering springs, the buffering springs are arranged between the raceway and the bearing outer ring and fixedly connected with the raceway and the bearing outer ring, and in the rolling process of the ball, the elasticity of the springs is utilized to absorb vibration in the rotating process of the bearing, so that abrasion between the ball and the bearing inner ring is reduced.

The inside oil storage chamber that is provided with of ball, the storage has lubricating oil in the oil storage intracavity, and the upper and lower both sides that run through ball thickness direction are provided with the oil outlet channel, and the ball is at the rotation in-process, and lubricating oil flows through the oil outlet channel from the oil storage chamber, realizes the lubrication to the bearing inside.

The utility model has the beneficial effects that: the utility model sets the rolling ball into the gyro shape with thick middle and thin two sides, never reduces the contact area with the inner wall of the bearing, thereby reducing the friction resistance and the noise, sets the buffer roller path and the support sheet structure, realizes the absorption of the radial vibration of the bearing, slows down the abrasion of the bearing, and prolongs the service life of the bearing.

Further features of the present application and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which is to be read in connection with the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the application and together with the description, serve to explain the principles of the application.

FIG. 1 is an expanded view of the present invention;

fig. 2 is a schematic view of a support sheet according to the present invention;

FIG. 3 is a schematic view of the structure of the cushion roller path of the present invention;

fig. 4 is a schematic view of the ball structure of the present invention.

Detailed Description

Various exemplary embodiments of the present application will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses.

Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

This bearing includes a plurality of balls 5, has the bearing outer race 3 that leans on outward of inside recess raceway and has the bearing inner ring 2 that leans on the inside of outside recess raceway, a plurality of balls 5 are the central arch and from the top shape that middle to both sides thickness reduces gradually, the internal surface 3A of bearing outer race 3 is provided with annular groove 1B, is provided with buffering raceway 1 between annular groove 1B and ball 5, and the shape of annular groove 1B suits with the shape of buffering raceway 1 surface, and the internal surface of buffering raceway 1 is provided with recess 1A with ball 5 complex, and recess 1A's surface is the raceway surface, and the raceway surface contacts with ball 5 cooperation, and it has lubricating oil to fill between buffering raceway 1, ball 5 and the bearing outer race 3.

The axial direction of bearing outer ring 3 is provided with a plurality of parallel buffering raceway 1, evenly is provided with a plurality of backing sheets 6 along the bearing radial between every two adjacent buffering raceway 1, and backing sheet 6 one end is connected on the 3 inside walls of bearing outer ring, and there is little clearance at the other end and the lateral wall of bearing inner ring 2, and backing sheet 6 adopts the elastic steel sheet to support, radially supports bearing outer ring 3 and bearing inner ring 2 to absorb some radial vibration, reduce the wearing and tearing between bearing outer ring 3 and the inner ring 2.

Further, the buffering raceway 1 comprises a raceway and a plurality of buffering springs 7, the buffering springs 7 are arranged between the raceway and the bearing outer ring 3 and fixedly connected with the raceway and the bearing outer ring, and in the rolling process of the ball 5, vibration in the rotating process of the bearing is absorbed by the elasticity of the springs 7, so that abrasion between the ball and the bearing inner ring is reduced.

Further, ball 5 is inside to be provided with oil storage chamber 8, and the storage has lubricating oil in the oil storage chamber 8, runs through 5 thickness direction's of ball upper and lower both sides and is provided with out oil channel 9, and ball 5 is rotating the in-process, and lubricating oil flows through out oil channel 9 from oil storage chamber 8, realizes the lubrication to the bearing inside.

Furthermore, the ball 5 is formed by sintering zirconia powder through a pressure sintering process, the inner groove roller path and the outer groove roller path comprise an outer wear-resistant layer and an inner wear-resistant layer, and the outer wear-resistant layer and the inner wear-resistant layer are made of nano ceramic materials.

Although some specific embodiments of the present application have been described in detail by way of example, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present application. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the present application. The scope of the application is defined by the appended claims.

Claims

1. The utility model provides a shock-absorbing bearing, its characterized in that includes a plurality of balls, has the bearing outer ring that leans on outside of inside recess raceway and has the bearing inner ring that leans on of outside recess raceway, a plurality of balls are protruding and follow the top shape that middle to both sides thickness reduces gradually in the center, the internal surface of bearing outer ring is provided with the annular groove, is provided with the buffering raceway between annular groove and ball, and the shape of annular groove suits with the shape of buffering raceway surface, and the raceway surface and the ball cooperation contact of buffering raceway have lubricating oil between buffering raceway, ball and the bearing outer ring.

2. The shock absorbing bearing as claimed in claim 1, wherein the bearing outer ring has a plurality of parallel buffer raceways arranged in the axial direction, a plurality of support plates are uniformly arranged between every two adjacent buffer raceways along the radial direction of the bearing, one end of each support plate is connected to the inner side wall of the bearing outer ring, a small gap exists between the other end of each support plate and the outer side wall of the bearing inner ring, and the support plates are supported by elastic steel sheets to radially support the bearing outer ring and the bearing inner ring.

3. The damper bearing according to claim 1, wherein the damping raceway comprises a raceway and a plurality of damping springs disposed between and fixedly connecting the raceway and the bearing outer ring.

4. The shock absorbing bearing of claim 1, wherein the balls are formed by sintering zirconia powder through a gas pressure sintering process, the inner grooved roller path and the outer grooved roller path comprise an outer wear-resistant layer and an inner wear-resistant layer, and the outer wear-resistant layer and the inner wear-resistant layer are made of nano ceramic materials.

5. The shock absorbing bearing according to claim 1, wherein an oil storage chamber is provided inside the ball, lubricating oil is stored in the oil storage chamber, and oil outlet passages are provided through upper and lower sides in a thickness direction of the ball.