CN210106406U - Thrust bearing - Google Patents
Thrust bearing Download PDFInfo
- Publication number
- CN210106406U CN210106406U CN201920726129.9U CN201920726129U CN210106406U CN 210106406 U CN210106406 U CN 210106406U CN 201920726129 U CN201920726129 U CN 201920726129U CN 210106406 U CN210106406 U CN 210106406U
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- China
- Prior art keywords
- seat body
- pedestal
- thrust bearing
- far away
- inclined plane
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 33
- 238000005096 rolling process Methods 0.000 claims description 28
- 230000007704 transition Effects 0.000 claims description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model relates to a bearing especially relates to a footstep bearing. The utility model provides a pair of thrust bearing aims at overcoming the not enough of thrust bearing precision among the prior art low, life weak point. The utility model provides a pair of footstep bearing is provided with the inclined plane on first pedestal, is provided with the extension on the second pedestal, and the one end of keeping away from the second pedestal at the extension is provided with overlap joint portion, overlap joint portion overlap joint on the inclined plane. The extension portion and the lap joint portion all play the effect of the first pedestal of location in this scheme, and first pedestal has stable position precision for the second pedestal, and first pedestal is difficult to stagger for the second pedestal promptly to make the holder that is located between first pedestal and the second pedestal be difficult to warp, prolonged the life of holder. Furthermore, the precision of the thrust bearing is improved, and the service life of the thrust bearing is prolonged.
Description
Technical Field
The utility model relates to a bearing especially relates to a footstep bearing.
Background
The thrust bearing is a bearing for bearing axial acting force, generally comprising a first seat body, a second seat body and a rolling element positioned between the first seat body and the second seat body, wherein a retainer is further arranged between the first seat body and the second seat body so as to uniformly distribute the rolling element between the first seat body and the second seat body.
The thrust bearing in the prior art is simple in structure, the relative position between the first seat body and the second seat body is positioned by the rolling body and the retainer, however, the strength of the retainer in the prior art is low, the retainer is easy to deform in the actual use and application process, the precision of the thrust bearing is reduced, and the thrust bearing is easy to damage.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pair of thrust bearing aims at overcoming the not enough of thrust bearing precision among the prior art low, life weak point.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a thrust bearing comprises a first seat body and a second seat body, wherein a retainer is arranged between the first seat body and the second seat body, a rolling body is arranged in the retainer, rolling paths matched with the rolling body are arranged on the first seat body and the second seat body, an inclined plane is arranged on one side, far away from the rolling body, of the first seat body, extends from one side, far away from the rolling body, of the first seat body to one side, close to the rolling body, of the first seat body, and is in smooth transition with the side face of the first seat body, an extension part extending towards the first seat body is arranged on the second seat body, is uniformly distributed on the circumference of the second seat body, a lap joint part lapped on the inclined plane is arranged on one end, far away from the second seat body, of the lap joint part is not higher than the height of one side, far away from the second seat body, of the first seat body, far away from the rolling body Height of one side of the moving body.
The utility model provides a pair of footstep bearing is provided with the inclined plane on first pedestal, is provided with the extension on the second pedestal, and the one end of keeping away from the second pedestal at the extension is provided with overlap joint portion, overlap joint portion overlap joint on the inclined plane. The extension portion and the lap joint portion all play the effect of the first pedestal of location in this scheme, and first pedestal has stable position precision for the second pedestal, and first pedestal is difficult to stagger for the second pedestal promptly to make the holder that is located between first pedestal and the second pedestal be difficult to warp, prolonged the life of holder. Furthermore, the precision of the thrust bearing is improved, and the service life of the thrust bearing is prolonged.
Preferably, the overlapping part is provided with an arc-shaped surface which reduces the contact area of the overlapping part and the inclined surface, and the overlapping part and the extending part are of an integrated structure.
The setting of arcwall face has reduced the area of contact of overlap joint portion with the inclined plane, has reduced the frictional resistance when first pedestal rotates for the second pedestal.
Preferably, the shape of the lap joint part is a sphere; alternatively, the shape of the lap joint part is a hemisphere, or the cross-sectional shape of the lap joint part is 1/2 oval.
Preferably, the extension part is cylindrical, one end of the extension part, which is far away from the second seat body, is bent to form the overlapping part, a guide part is arranged at one end of the extension part, which is far away from the second seat body, the guide part is hemispherical, the diameter of the guide part is equal to that of the extension part, the spherical center of the guide part is located on the axis of the extension part, and the guide part and the extension part are of an integrated structure.
The guide part is arranged to facilitate the assembly of the first seat body and the second seat body.
Preferably, an included angle of 10 degrees to 60 degrees is formed between the inclined surface and an end surface of one end of the first seat body, which is far away from the rolling body.
The included angle in the range enables the lap joint part to be in better contact with the inclined plane, and the stability of the thrust bearing in the working process is improved.
Preferably, an arc transition angle is arranged between the inclined plane and the side surface of the first seat body.
The utility model provides a pair of footstep bearing has following advantage:
1. the arrangement of the extension part is mainly used for matching with the rolling body to position the first base body, namely, the first base body has a stable relative position relative to the second base body, and the performance of the retainer is prolonged.
2. The position precision of the first base body relative to the second base body is further improved through the arrangement of the overlapping part, and the service life of the thrust bearing is prolonged.
Drawings
Fig. 1 is a schematic view of a thrust bearing according to the present invention.
Detailed Description
The thrust bearing of the present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, a thrust bearing includes a first seat 1 and a second seat 2, a retainer 3 is disposed between the first seat 1 and the second seat 2, a rolling element 4 is disposed in the retainer 3, and the arrangement of the first seat 1, the second seat 2, the rolling element 4, and the retainer 3 is referred to the prior art and will not be described herein. The inclusion in this description means that the thrust bearing may comprise other features, such as lubricating layers, in addition to the technical features defined.
The first seat body 1 and the second seat body 2 are both provided with raceways matched with the rolling elements 4, an inclined surface 5 is arranged on one side of the first seat body 1 far away from the rolling elements 4, and an included angle of 10-60 degrees is formed between the inclined surface 5 and the end surface of one end of the first seat body 1 far away from the rolling elements 4. The end face of the end, away from the rolling body 4, of the first seat body 1 is a top face, and the smaller the included angle between the inclined face 5 and the top face is, the better the contact performance between the lapping part 7 and the inclined face 5 is, and correspondingly, the smaller the included angle between the inclined face 5 and the top face is, the more difficult the assembly of the first seat body 1 relative to the second seat body 2 is. The included angle between the inclined surface 5 and the top surface can be reasonably selected according to the requirement, and is not particularly limited herein.
The assembly of the first seat 1 and the second seat 2 may be assembled using a thermal assembly method.
The inclined plane 5 extends from a side of the first seat body 1 far away from the rolling element 4 to a side of the first seat body 1 close to the rolling element 4, the inclined plane 5 and a side surface of the first seat body 1 are in smooth transition, and an arc transition angle is arranged between the inclined plane 5 and the side surface of the first seat body 1.
The second seat body 2 is provided with an extending portion 6 extending towards the first seat body 1, the extending portion 6 is uniformly distributed on the circumference of the second seat body 2, the extending portion 6 and the second seat body 2 are of an integral structure, one end of the extending portion 6 away from the second seat body 2 is provided with a lapping portion 7 lapped on the inclined surface 5, and the height of one side, away from the second seat body 2, of the lapping portion 7 is not higher than the height of one side, away from the rolling element 4, of the first seat body 1. The lap joint part 7 and the extension part 6 are of an integrated structure.
In the above scheme, the extending portion 6 and the overlapping portion 7 are mainly used for positioning the relative position of the first seat body 1 relative to the second seat body 2, so as to prevent the first seat body 1 from deviating relative to the second seat body 2, so as to prolong the service life of the retainer 3, further prolong the service life of the thrust bearing, and improve the assembly accuracy of the thrust bearing.
The possible construction of the lap joint 7 is described below.
The lap joint part 7 is provided with an arc-shaped surface which reduces the contact area between the lap joint part 7 and the inclined surface 5, and the lap joint part 7 and the extension part 6 are of an integral structure. The lap joint part 7 is shaped as a sphere; alternatively, the shape of the overlapping part 7 is a hemisphere, or the cross-sectional shape of the overlapping part 7 is 1/2 ellipse. The specific shape of the lap joint portion 7 is not limited, and can be selected reasonably by those skilled in the art according to the needs.
The specific structure of the lap joint part 7 can also be as follows:
the extension part 6 is cylindrical, one end of the extension part 6, which is far away from the second seat body 2, is bent to form the overlapping part 7, a guide part is arranged at one end of the extension part 6, which is far away from the second seat body 2, the guide part is hemispherical, the diameter of the guide part is equal to that of the extension part 6, the spherical center of the guide part is positioned on the axis of the extension part 6, and the guide part and the extension part 6 are of an integrated structure.
The above is only the preferred embodiment of the present invention, which aims to embody the outstanding technical effects and advantages of the present invention, and is not the limitation of the technical solution of the present invention. It should be understood by those skilled in the art that all modifications, changes or alternative technical features made based on the technical contents of the present invention should be covered within the technical scope of the appended claims.
Claims (6)
1. The utility model provides a thrust bearing, includes first pedestal (1) and second pedestal (2) first pedestal (1) with be provided with holder (3) between second pedestal (2), be provided with rolling element (4) in holder (3) first pedestal (1) second pedestal (2) go up all be provided with rolling element (4) complex raceway, its characterized in that: an inclined plane (5) is arranged on one side of the first seat body (1) far away from the rolling body (4), the inclined plane (5) extends from one side of the first seat body (1) far away from the rolling body (4) to one side of the first seat body (1) close to the rolling body (4), moreover, the inclined plane (5) and the side surface of the first seat body (1) are in smooth transition, an extension part (6) extending towards the first seat body (1) is arranged on the second seat body (2), the extending parts (6) are uniformly distributed on the circumference of the second seat body (2), moreover, one end of the extension part (6) far away from the second seat body (2) is provided with a lapping part (7) lapped on the inclined plane (5), the height of one side, far away from the second seat body (2), of the lap joint part (7) is not higher than that of one side, far away from the rolling body (4), of the first seat body (1).
2. A thrust bearing according to claim 1, wherein: the lap joint part (7) is provided with an arc-shaped surface which reduces the contact area of the lap joint part (7) and the inclined surface (5), and the lap joint part (7) and the extension part (6) are of an integrated structure.
3. A thrust bearing according to claim 2, wherein: the lap joint part (7) is shaped as a sphere; or the shape of the overlapping part (7) is a hemisphere, or the cross section of the overlapping part (7) is 1/2 oval.
4. A thrust bearing according to claim 2, wherein: the extension part (6) is cylindrical, one end, far away from the second seat body (2), of the extension part (6) is bent to form the overlapping part (7), a guide part is arranged at one end, far away from the second seat body (2), of the extension part (6), the guide part is hemispherical, the diameter of the guide part is equal to that of the extension part (6), the sphere center of the guide part is located on the axis of the extension part (6), and the guide part and the extension part (6) are of an integrated structure.
5. A thrust bearing according to claim 1, wherein: an included angle of 10-60 degrees is formed between the inclined plane (5) and the end face of one end, far away from the rolling body (4), of the first seat body (1).
6. A thrust bearing according to any one of claims 1 to 5, wherein: and an arc transition angle is arranged between the inclined plane (5) and the side surface of the first seat body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920726129.9U CN210106406U (en) | 2019-05-20 | 2019-05-20 | Thrust bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920726129.9U CN210106406U (en) | 2019-05-20 | 2019-05-20 | Thrust bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210106406U true CN210106406U (en) | 2020-02-21 |
Family
ID=69561035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920726129.9U Expired - Fee Related CN210106406U (en) | 2019-05-20 | 2019-05-20 | Thrust bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210106406U (en) |
-
2019
- 2019-05-20 CN CN201920726129.9U patent/CN210106406U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200221 |