CN213270739U - Miniature high-lubricity oilless bearing sleeve - Google Patents
Miniature high-lubricity oilless bearing sleeve Download PDFInfo
- Publication number
- CN213270739U CN213270739U CN202022175276.7U CN202022175276U CN213270739U CN 213270739 U CN213270739 U CN 213270739U CN 202022175276 U CN202022175276 U CN 202022175276U CN 213270739 U CN213270739 U CN 213270739U
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- Prior art keywords
- lubrication
- base
- main body
- lubricity
- lubricating
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- 238000005461 lubrication Methods 0.000 claims abstract description 96
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 55
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 55
- 239000010439 graphite Substances 0.000 claims abstract description 55
- 230000001050 lubricating effect Effects 0.000 claims abstract description 47
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
A miniature high-lubricity oilless bearing sleeve comprises a sleeve main body, a base, a sleeve lubricating unit and a base lubricating unit. The shaft sleeve main body comprises an outer side wall and an inner side wall. The base comprises a base main body and a through hole. The shaft sleeve lubricating unit comprises a first lubricating group and a second lubricating group. The base lubrication unit includes a third lubrication group. The first lubrication group includes a first lubrication column. The second lubrication group includes a second lubrication column. The third lubrication group includes a third lubrication column. Each of the first lubrication rows includes a first graphite column. Each of the second lubrication rows includes a second graphite column. Each of the third lubrication rows includes a third graphite column. A group of second lubrication rows is arranged between any two adjacent first lubrication rows. The miniature high-lubricity oilless bearing sleeve is convenient to install, simple and stable in structure, and improves the lubricity of the shaft sleeve.
Description
Technical Field
The utility model belongs to the technical field of the axle sleeve, especially a miniature high lubricity oilless bearing cover.
Background
The bearing sleeve is a cylindrical mechanical part sleeved on the rotating shaft and is a component of the sliding bearing. Generally, the bearing housing is an interference fit with the bearing seat and a clearance fit with the shaft.
When the bearing sleeve in the prior art is matched with the rotating shaft, the graphite lubricating column on the bearing sleeve is unreasonable in structural design, so that the rotating shaft can generate high temperature when rotating, the graphite lubricating column between the bearing and the rotating shaft is inferior, the lubricating effect is greatly reduced, and the quality of the bearing sleeve is influenced.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a can promote lubricated effect's miniature high lubricity oilless bearing cover to satisfy the industrial demand.
A miniature high-lubricity oilless bearing sleeve comprises a sleeve main body, a base arranged at one end of the sleeve main body, a sleeve lubricating unit arranged on the sleeve main body and a base lubricating unit arranged on the base. The bushing body includes an outer sidewall and an inner sidewall. The base comprises a base main body and a through hole arranged on the base main body. The central axis of the through hole coincides with the central axis of the shaft sleeve main body. The shaft sleeve lubricating unit comprises a first lubricating group arranged on the outer side wall and a second lubricating group arranged on the inner side wall. The base lubricating unit comprises a third lubricating group arranged on one side of the base close to the shaft sleeve main body. The first lubrication group includes a plurality of first lubrication rows disposed on the outer sidewall. The second lubrication group includes a plurality of second lubrication columns disposed on the inner sidewall. The third lubrication group comprises a plurality of third lubrication columns which are arranged on the base at intervals. The first lubrication rows and the second lubrication rows are arranged along the circumferential direction of the shaft sleeve main body. The plurality of third lubrication rows are arranged in a circumferential direction of the base. Each first lubrication row comprises a plurality of first graphite columns which are arranged at intervals. Each second lubrication row comprises a plurality of second graphite columns which are arranged at intervals. Each third lubrication row comprises a plurality of third graphite columns which are arranged at intervals. A group of second lubrication rows is arranged between any two adjacent first lubrication rows. The arrangement direction of the first graphite columns in each first lubrication row and the arrangement direction of the second graphite columns in each second lubrication row form an included angle with the base, wherein the included angle is 25-30 degrees, so that the lubricating property of the shaft sleeve main body is improved.
Further, the diameter of the through hole is equal to the inner diameter of the shaft sleeve main body.
Furthermore, the end of one end of the shaft sleeve main body, which is far away from the base, is provided with a chamfer.
Further, the shaft sleeve main body and the base are integrally formed.
Further, the first graphite column, the second graphite column, and the third graphite column are all cylindrical.
Further, the first graphite column, the second graphite column, and the third graphite column are all equal in diameter.
Further, the number of the first graphite columns of each row of the first lubrication row is equal to the number of the second graphite columns of each row of the second lubrication row.
Compared with the prior art, the utility model provides a miniature high lubricity oilless bearing cover passes through the lubricated unit of axle sleeve the lubricated unit of base has promoted the axle sleeve main part and the lubricity of base. The bushing lubricating unit includes a first lubricating group provided on the outer sidewall of the bushing main body, and a second lubricating group provided on the inner sidewall of the bushing main body. The first lubrication group comprises a plurality of first lubrication columns arranged on the outer side wall, and the second lubrication group comprises a plurality of second lubrication columns arranged on the inner side wall. The arrangement direction of the first graphite columns in each first lubrication row and the arrangement direction of the second graphite columns in each second lubrication row form an included angle with the base, wherein the included angle is 25-30 degrees, so that the lubricating property of the shaft sleeve main body is improved. The base lubricating unit comprises a third lubricating group arranged on one side of the base close to the shaft sleeve main body. The third lubricating group comprises a plurality of third lubricating columns arranged on the base at intervals, and each third lubricating column comprises a plurality of third graphite columns arranged at intervals. The third lubrication rows are arranged in the circumferential direction of the base to ensure the lubrication performance of the base. The miniature high-lubricity oilless bearing sleeve is convenient to install, simple and stable in structure, and improves the lubricity of the shaft sleeve.
Drawings
Fig. 1 is the structure schematic diagram of the micro high-lubricity oilless bearing bush provided by the utility model.
Fig. 2 is a schematic sectional structure view of the micro high-lubricity oilless bearing housing of fig. 1.
Detailed Description
Specific examples of the present invention will be described in further detail below. It should be understood that the description herein of embodiments of the invention is not intended to limit the scope of the invention.
As shown in fig. 1 to fig. 2, it is a schematic structural diagram of the micro high-lubricity oilless bearing bush provided by the present invention. The micro high-lubricity oilless bearing housing includes a housing body 10, a base 20 disposed at one end of the housing body 10, a housing lubrication unit 30 disposed on the housing body 10, and a base lubrication unit 40 disposed on the base 20, and also includes other functional modules, such as assembly components and the like, which should be known to those skilled in the art, and will not be described in detail herein.
The bushing body 10 includes an outer sidewall 11, and an inner sidewall 12. The shaft sleeve main body 10 is used for being sleeved on a rotating shaft so as to facilitate the rotation of the rotating shaft, and the shaft sleeve main body 10 is in the prior art. Since the bushing lubricating unit 30 is provided on the outer wall 11 and the inner wall 12 of the bushing body 10, the outer wall 11 and the inner wall 12 are described in conjunction with the bushing lubricating unit 30. In addition, in this embodiment, an end of the shaft sleeve main body 10 far away from the base 20 is provided with a chamfer, so as to facilitate the installation of the shaft sleeve main body 10.
The base 20 includes a base body 21, and a through hole 22 provided on the base body 21. The central axis of the through hole 22 coincides with the central axis of the sleeve body 10, and the diameter of the through hole 22 is equal to the inner diameter of the sleeve body 10, so that a rotating shaft can pass through the sleeve body 10 and the base 20, and the rotating shaft can be mounted on the sleeve body 10 and the base 20. The base 20 serves to restrict the position of the bushing main body 10 so as to facilitate the installation of the bushing main body 10. In addition, the shaft sleeve main body 10 and the base 20 are integrally formed, so that the structure between the shaft sleeve main body 10 and the base 20 is stable.
The bushing lubricating unit 30 includes a first lubricating group 31 provided on the outer sidewall 11, and a second lubricating group 32 provided on the inner sidewall 12.
The first lubricating group 31 and the second lubricating group 32 have the same functions and properties, so that the first lubricating group 31 and the second lubricating group 32 are put together for more concise description. The first lubrication group 31 includes a plurality of first lubrication rows 311 disposed on the outer sidewall 11, and the second lubrication group 32 includes a plurality of second lubrication rows 321 disposed on the inner sidewall 12. The first lubrication rows 311 and the second lubrication rows 321 are arranged along the circumferential direction of the sleeve body 10, so as to ensure the lubrication performance of the outer side wall 11 and the inner side wall 12 of the sleeve body 10, thereby facilitating the installation of the sleeve body 10. A group of second lubrication rows 321 is arranged between any two adjacent first lubrication rows 311 to ensure that the stress on the shaft sleeve main body 10 is uniform.
Each of the first lubrication rows 311 includes a plurality of first graphite columns 3111 disposed at intervals, and each of the second lubrication rows 321 includes a plurality of second graphite columns 3211 disposed at intervals. The arrangement direction of the first graphite columns 3111 in each first lubrication row 311 and the arrangement direction of the second graphite columns 3211 in each second lubrication row 321 form an included angle with the base 20 between 25 degrees and 30 degrees, so as to improve the lubricity of the shaft sleeve main body. That is, different included angles between the first lubrication row 311, the second lubrication row 321, and the base 20 are suitable for different rotation speeds, and the range of the rotation speed that the shaft sleeve main body 10 can adapt to is the largest between 25 degrees and 30 degrees, and in addition, under the condition that the quality of the shaft sleeve main body 10 is ensured, the number of the first graphite columns 3111 and the second graphite columns 3211 arranged on the shaft sleeve main body 10 is the largest, so as to ensure the lubrication effect of the shaft sleeve main body 10. In addition, the number of the first graphite columns 3111 of each first lubrication row 311 is equal to the number of the second graphite columns 3211 of each second lubrication row 321, so as to ensure that the shaft sleeve body 10 is uniformly stressed.
The base lubrication unit 40 includes a third lubrication group 41 disposed on a side of the base 20 adjacent to the sleeve body 10. The third lubrication group 41 includes a plurality of third lubrication rows 411 disposed on the base 20 at intervals, and each of the third lubrication rows 411 includes a plurality of third graphite columns 4111 disposed at intervals. The third lubrication rows 411 are arranged in a circumferential direction of the base 20, and distances between any two adjacent third lubrication rows 411 are equal, so that lubrication of the base 20 is uniform. In this embodiment, the first graphite column 3111, the second graphite column 3211, and the third graphite column 4111 are all cylindrical, and the diameters of the first graphite column 3111, the second graphite column 3211, and the third graphite column 4111 are all equal, so that the first graphite column 3111, the second graphite column 3211, and the third graphite column 4111 have the same lubricating performance.
Compared with the prior art, the utility model provides a miniature high lubricity oilless bearing cover passes through the lubricated unit 30 of axle sleeve the lubricated unit 40 of base has promoted axle sleeve main part 10 and base 20's lubricity. The bushing lubricating unit 30 includes a first lubricating group 31 provided on the outer sidewall 11 of the bushing body 10, and a second lubricating group 32 provided on the inner sidewall 12 of the bushing body 10. The first lubrication group 311 includes a plurality of first lubrication rows 311 disposed on the outer sidewall 11, and the second lubrication group 32 includes a plurality of second lubrication rows 321 disposed on the inner sidewall 12. The arrangement direction of the first graphite columns 3111 in each first lubrication row 311 and the arrangement direction of the second graphite columns 3211 in each second lubrication row 321 form an included angle with the base 20 between 25 degrees and 30 degrees, so as to improve the lubricity of the shaft sleeve main body. The base lubrication unit 40 includes a third lubrication group 41 disposed on a side of the base 20 adjacent to the sleeve body 10. The third lubrication group 41 includes a plurality of third lubrication rows 411 disposed on the base 20 at intervals, and each of the third lubrication rows 411 includes a plurality of third graphite columns 4111 disposed at intervals. The plurality of third lubrication rows 411 are arranged in a circumferential direction of the base 20 to ensure a lubrication performance of the base 20. The miniature high-lubricity oilless bearing sleeve is convenient to install, simple and stable in structure, and improves the lubricity of the shaft sleeve.
The above description is only for the preferred embodiment of the present invention and should not be construed as limiting the scope of the present invention, and any modification, equivalent replacement or improvement within the spirit of the present invention is encompassed by the claims of the present invention.
Claims (7)
1. A miniature high-lubricity oilless bearing sleeve is characterized in that: the micro high-lubricity oilless bearing sleeve comprises a sleeve main body, a base arranged at one end of the sleeve main body, a sleeve lubricating unit arranged on the sleeve main body, and a base lubricating unit arranged on the base, wherein the sleeve main body comprises an outer side wall and an inner side wall, the base comprises a base main body and a through hole arranged on the base main body, the center shaft of the through hole is coincided with the center shaft of the sleeve main body, the sleeve lubricating unit comprises a first lubricating group arranged on the outer side wall and a second lubricating group arranged on the inner side wall, the base lubricating unit comprises a third lubricating group arranged on one side, close to the sleeve main body, of the base, and the first lubricating group comprises a plurality of first lubricating columns arranged on the outer side wall, the second lubrication group comprises a plurality of second lubrication rows arranged on the inner side wall, the third lubrication group comprises a plurality of third lubrication rows arranged on the base at intervals, the first lubrication rows and the second lubrication rows are arranged along the circumferential direction of the shaft sleeve main body, the third lubrication rows are arranged along the circumferential direction of the base, each first lubrication row comprises a plurality of first graphite columns arranged at intervals, each second lubrication row comprises a plurality of second graphite columns arranged at intervals, each third lubrication row comprises a plurality of third graphite columns arranged at intervals, a group of second lubrication rows are arranged between any two adjacent first lubrication rows, the arrangement direction of the first graphite columns in each first lubrication row and the arrangement direction of the second graphite columns in each second lubrication row form an included angle between 25 degrees and 30 degrees with the base, so as to improve the lubricity of the bushing main body.
2. The micro high-lubricity oilless bearing housing according to claim 1, wherein: the diameter of the through hole is equal to the inner diameter of the shaft sleeve main body.
3. The micro high-lubricity oilless bearing housing according to claim 1, wherein: and the end of one end of the shaft sleeve main body, which is far away from the base, is provided with a chamfer.
4. The micro high-lubricity oilless bearing housing according to claim 1, wherein: the shaft sleeve main body and the base are integrally formed.
5. The micro high-lubricity oilless bearing housing according to claim 1, wherein: the first graphite column, the second graphite column, and the third graphite column are all cylindrical.
6. The micro high-lubricity oilless bearing housing according to claim 1, wherein: the first graphite column, the second graphite column, and the third graphite column are all equal in diameter.
7. The micro high-lubricity oilless bearing housing according to claim 1, wherein: the number of the first graphite columns of each row of the first lubrication row is equal to the number of the second graphite columns of each row of the second lubrication row.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022175276.7U CN213270739U (en) | 2020-09-28 | 2020-09-28 | Miniature high-lubricity oilless bearing sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022175276.7U CN213270739U (en) | 2020-09-28 | 2020-09-28 | Miniature high-lubricity oilless bearing sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213270739U true CN213270739U (en) | 2021-05-25 |
Family
ID=75946841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022175276.7U Expired - Fee Related CN213270739U (en) | 2020-09-28 | 2020-09-28 | Miniature high-lubricity oilless bearing sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213270739U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114226160A (en) * | 2021-11-29 | 2022-03-25 | 余海阳 | Graphite copper sleeve processing device |
-
2020
- 2020-09-28 CN CN202022175276.7U patent/CN213270739U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114226160A (en) * | 2021-11-29 | 2022-03-25 | 余海阳 | Graphite copper sleeve processing device |
| CN114226160B (en) * | 2021-11-29 | 2024-04-05 | 辽阳兴旺石墨制品有限公司 | Graphite copper bush processingequipment |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210525 |