CN216382248U - Self-lubricating dynamic bearing with outer groove - Google Patents
Self-lubricating dynamic bearing with outer groove Download PDFInfo
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- CN216382248U CN216382248U CN202121046760.8U CN202121046760U CN216382248U CN 216382248 U CN216382248 U CN 216382248U CN 202121046760 U CN202121046760 U CN 202121046760U CN 216382248 U CN216382248 U CN 216382248U
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Abstract
The utility model provides a self-lubricating dynamic bearing with outer slot, its includes the axle sleeve body, inlays the hole, and solid self-lubricating cylinder grain to and at least one is seted up outer slot on the axle sleeve body cylinder surface. The outer groove is communicated with the embedding hole. The outer groove is used for storing lubricating oil and conveying the lubricating oil to the solid self-lubricating cylindrical particles. The solid self-lubricating cylindrical particles contain a large number of micropores for adsorbing lubricating oil. The outer groove is formed in the outer surface of the cylinder of the shaft sleeve body of the self-lubricating sliding bearing, one end of the solid self-lubricating cylinder grain is soaked in lubricating oil, the oil content of the solid self-lubricating cylinder grain is improved, on the other hand, the lubricating oil stored in the outer groove can timely supplement the lubricating oil evaporated and lost in the solid self-lubricating cylinder grain during working, so that the lubricating effect between the bearing and the rotating shaft is improved, the friction resistance is reduced, and the abrasion between the bearing and the rotating shaft is reduced.
Description
Technical Field
The utility model relates to the technical field of transmission, in particular to a self-lubricating sliding bearing with an outer groove.
Background
From moist slide bearing, generally adopt metal cavity cylinder axle sleeve part, cavity cylinder axle sleeve part distributes and has the hole of inlaying of a certain amount, and solid self-lubricating cylinder grain is installed in inlaying the hole, and solid self-lubricating cylinder grain contains a large amount of micropores for adsorb lubricating oil, adsorbed lubricating oil plays the lubrication action. But the quantity of the lubricating oil absorbed by the solid self-lubricating cylindrical particles is limited, and the absorbed lubricating oil is continuously evaporated and lost when the bearing works, so that the lubricating effect between the bearing and the rotating shaft is greatly reduced, the friction resistance is increased, and the abrasion between the bearing and the rotating shaft is accelerated.
Disclosure of Invention
In view of the above, the present invention provides a self-lubricating sliding bearing with an outer groove to solve the above problems.
The utility model provides a self-lubricating dynamic bearing with outer slot, its includes a shaft sleeve body, and a plurality of settings are in inlay the hole on the shaft sleeve body, a plurality of inlay respectively inlay the solid self-lubricating cylinder grain in the hole to and at least one set up outer slot on the shaft sleeve body cylinder surface. The outer groove is communicated with the embedding hole. The outer groove is used for storing lubricating oil and conveying the lubricating oil to the solid self-lubricating cylindrical particles. The solid self-lubricating cylindrical particles contain a large number of micropores for adsorbing lubricating oil.
Further, the area occupied by the plurality of embedding holes is 10% -36% of the total area of the outer surface of the shaft sleeve body.
Further, the outer groove is a plurality of outer grooves, or a single outer groove.
Further, the outer groove is a thread groove.
Furthermore, the self-lubricating sliding bearing also comprises a flange arranged at one axial end of the shaft sleeve body.
Further, the solid self-lubricating cylindrical particles are adhered and installed in the embedding holes by glue.
Further, the bushing body is made of a copper alloy.
Further, the solid self-lubricating cylindrical particles are made of a graphite material containing a large number of micropores, and the content of graphite is more than 80%.
Further, the solid self-lubricating cylindrical particles are copper-based powder metallurgy materials containing a large number of micropores, and the copper content is more than 50%.
Further, the outer groove and the two axial ends of the shaft sleeve body are arranged at intervals.
Compared with the prior art, the self-lubricating movable bearing provided by the utility model has the advantages that the outer groove is formed in the outer surface of the cylinder of the shaft sleeve body and is communicated with each embedded hole provided with the solid self-lubricating cylinder particles, so that when lubricating oil is stored in the outer groove, the lubricating oil can be conveyed to the solid self-lubricating cylinder particles, one end of each solid self-lubricating cylinder particle is soaked in the lubricating oil, the oil content of each solid self-lubricating cylinder particle is improved, and on the other hand, the lubricating oil stored in the outer groove can timely supplement the lubricating oil evaporated and lost in the solid self-lubricating cylinder particles during the working of the bearing, so that the lubricating effect between the bearing and a rotating shaft is improved, the friction resistance is reduced, and the abrasion between the bearing and the rotating shaft is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a self-lubricating sliding bearing with an outer groove provided by the utility model.
Fig. 2 is an exploded view of the self-lubricating plain bearing with external grooves of fig. 1.
Fig. 3 is a schematic structural diagram of a self-lubricating sliding bearing with 3 radial outer grooves provided by the present invention.
Fig. 4 is a schematic structural diagram of the self-lubricating sliding bearing with 1 outer groove provided by the utility model.
Fig. 5 is a schematic structural diagram of a self-lubricating dynamic bearing with a threaded outer groove provided by the utility model.
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 utility model is not intended to limit the scope of the utility model.
As shown in fig. 1 to fig. 5, which are schematic structural views of a self-lubricating sliding bearing with an outer groove according to the present invention. The self-lubricating dynamic bearing with the outer groove comprises a shaft sleeve body 10, a plurality of embedding holes 20 formed in the shaft sleeve body 10, a plurality of solid self-lubricating cylindrical particles 30 respectively embedded in the embedding holes 20, and at least one outer groove 40 formed in the cylindrical outer surface of the shaft sleeve body 10. It should be understood by those skilled in the art that the self-lubricating dynamic bearing with the outer groove is installed as a separate component in the device according to the actual use requirement, which is well known to those skilled in the art and will not be described herein.
The sleeve body 10 may be made of steel, copper alloy, or the like. In the present embodiment, the sleeve body 10 is made of a copper alloy. The diameter of the sleeve body 10 and the thickness of the wall are designed according to the application field, and are not limited in this embodiment. It is conceivable that the bushing body 10 is a hollow cylinder.
The number of the solid self-lubricating cylindrical particles 30 is the same as that of the embedding holes 20, and each solid self-lubricating cylindrical particle 30 is adhered and installed in the corresponding embedding hole 20 by glue. The solid self-lubricating cylindrical particles 30 may be made of a graphite material containing a large number of micropores, or may be made of a copper-based powder metallurgy material containing a large number of micropores. When the solid self-lubricating cylindrical particles are made of graphite materials, the graphite content is more than 80%. When the solid self-lubricating cylindrical particles are made of copper-based powder metallurgy materials, the copper content is more than 50%. The micropores contained in the solid self-lubricating cylindrical particles are used for adsorbing and storing lubricating oil, and the size and the number of the micropores can be adjusted by changing the material components and the production process, which are the contents required to be protected in the prior art and are not provided in the utility model, and are not described again.
The outer grooves 40 are formed on the cylindrical outer surface of the sleeve body 10, and may be a plurality of outer grooves 40 that are communicated with each other and radially distributed, such as 6 radially distributed outer grooves 40 shown in fig. 1, and 3 radially distributed outer grooves 40 shown in fig. 3. The radially distributed outer grooves 40 can be communicated with each other through a plurality of axially outer grooves, so that the purpose of mutual communication is achieved. The outer groove 40 may be only one, i.e. a single outer groove 40, as shown in fig. 4. In addition, the outer groove 40 may also adopt a thread structure, that is, the outer groove 40 is a 1-thread groove, as shown in fig. 5. The outer groove 40 is used for storing lubricating oil, the outer groove 40 is communicated with the plurality of embedding holes 20, so that the lubricating oil in the outer groove 40 can be conveyed to the embedding holes 20, one end of the solid self-lubricating cylindrical particle 30 is soaked in the lubricating oil and is absorbed or stored by the solid self-lubricating cylindrical particle 30, and the purpose of improving the lubricating capacity of the solid self-lubricating cylindrical particle 30 is achieved. The depth of the outer groove 40 can be set to 0.5mm to 1.0mm, which is determined according to actual needs and process requirements.
The self-lubricating dynamic bearing further comprises a flange retaining edge 50 arranged at one axial end of the shaft sleeve body 10, and the flange retaining edge 50 is used for installing the shaft sleeve body 10. The flange 50 is conventional and will not be described in detail herein.
Compared with the prior art, the self-lubricating movable bearing provided by the utility model has the advantages that the outer groove 40 is arranged on the cylindrical outer surface of the shaft sleeve body 10, the outer groove 40 is communicated with each embedded hole 20 provided with the solid self-lubricating cylindrical particles 30, so that when lubricating oil is stored in the outer groove 40, the lubricating oil can be conveyed onto the solid self-lubricating cylindrical particles 30, one end of each solid self-lubricating cylindrical particle 30 is soaked in the lubricating oil, the oil content of each solid self-lubricating cylindrical particle 30 is improved, the lubricating oil stored in the outer groove 40 can timely supplement the lubricating oil evaporated and lost in the solid self-lubricating cylindrical particles 30 during the working of the bearing, the lubricating effect between the bearing and a rotating shaft is improved, the friction resistance is reduced, the abrasion between the bearing and the rotating shaft is reduced, and the service life of equipment is prolonged.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, and any modifications, equivalents or improvements that are within the spirit of the present invention are intended to be covered by the following claims.
Claims (10)
1. The utility model provides a self-lubricating slide bearing with outer slot which characterized in that: self-lubricating movable bearing includes a shaft sleeve body, and a plurality of settings are in inlay the hole on the shaft sleeve body, a plurality of difference are inlayed solid self-lubricating cylinder grain in the hole to and at least one is seted up outer slot on the shaft sleeve body cylinder surface, outer slot with it is linked together to inlay the hole, outer slot is used for storing lubricating oil and carries lubricating oil solid self-lubricating cylinder grain, solid self-lubricating cylinder grain contains a large amount of micropores and is used for adsorbing lubricating oil.
2. The self-lubricating plain bearing with outer grooves according to claim 1, wherein: the area occupied by the embedding holes is 10% -36% of the total area of the outer surface of the shaft sleeve body.
3. The self-lubricating plain bearing with outer grooves according to claim 1, wherein: the outer groove is a plurality of outer grooves or a single outer groove.
4. The self-lubricating plain bearing with outer grooves according to claim 1, wherein: the outer groove is a thread groove.
5. The self-lubricating plain bearing with outer grooves according to claim 1, wherein: the self-lubricating dynamic bearing further comprises a flange arranged at one axial end of the shaft sleeve body.
6. The self-lubricating plain bearing with outer grooves according to claim 1, wherein: and the solid self-lubricating cylindrical particles are adhered and installed in the embedding holes by glue.
7. The self-lubricating plain bearing with outer grooves according to claim 1, wherein: the shaft sleeve body is made of copper alloy.
8. The self-lubricating plain bearing with outer grooves according to claim 1, wherein: the solid self-lubricating cylindrical particles are made of graphite materials containing a large number of micropores, and the content of graphite is more than 80%.
9. The self-lubricating plain bearing with outer grooves according to claim 1, wherein: the solid self-lubricating cylindrical particles are copper-based powder metallurgy materials containing a large number of micropores, and the copper content is more than 50%.
10. The self-lubricating plain bearing with outer grooves according to claim 1, wherein: the outer groove and the axial two ends of the shaft sleeve body are arranged at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121046760.8U CN216382248U (en) | 2021-05-17 | 2021-05-17 | Self-lubricating dynamic bearing with outer groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121046760.8U CN216382248U (en) | 2021-05-17 | 2021-05-17 | Self-lubricating dynamic bearing with outer groove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216382248U true CN216382248U (en) | 2022-04-26 |
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ID=81215275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121046760.8U Active CN216382248U (en) | 2021-05-17 | 2021-05-17 | Self-lubricating dynamic bearing with outer groove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216382248U (en) |
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2021
- 2021-05-17 CN CN202121046760.8U patent/CN216382248U/en active Active
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