CN216361104U - Maintenance-free self-lubricating dynamic bearing with internal oil storage groove - Google Patents
Maintenance-free self-lubricating dynamic bearing with internal oil storage groove Download PDFInfo
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- CN216361104U CN216361104U CN202121122386.5U CN202121122386U CN216361104U CN 216361104 U CN216361104 U CN 216361104U CN 202121122386 U CN202121122386 U CN 202121122386U CN 216361104 U CN216361104 U CN 216361104U
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Abstract
The utility model provides a non-maintaining self-lubricating dynamic bearing with inside oil storage slot, its includes endotheca part, and the cover is established overcoat part on the endotheca part to and at least one is seted up the oil storage slot between endotheca part and the overcoat part. The inner sleeve component comprises a shaft sleeve body, a plurality of embedding holes formed in the shaft sleeve body, and a plurality of solid self-lubricating cylindrical particles embedded in the embedding holes respectively. The oil storage groove is communicated with the embedding hole, the oil storage groove is used for storing lubricating oil and conveying the lubricating oil to the solid self-lubricating cylindrical particles, and the solid self-lubricating cylindrical particles contain a large number of micropores for adsorbing the lubricating oil. Compared with the prior art, this non-maintaining self-lubricating sliding bearing not only can improve the lubricated effect between bearing and the pivot, reduces frictional resistance, reduces the wearing and tearing between bearing and the pivot moreover keep providing lubrication to the bearing in the self-lubricating movable bearing life, make this self-lubricating movable bearing exempt from to maintain, reduce the equipment maintenance cost.
Description
Technical Field
The utility model relates to the technical field of transmission, in particular to a maintenance-free self-lubricating dynamic bearing with an internal oil storage 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.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a maintenance-free self-lubricating sliding bearing with an internal oil storage groove to solve the above problems.
The utility model provides a non-maintaining self-lubricating dynamic bearing with inside oil storage slot, its includes an endotheca part, and a cover is established overcoat part on the endotheca part to and at least one is seted up the oil storage slot between endotheca part and the overcoat part. The inner sleeve component comprises a shaft sleeve body, a plurality of embedding holes formed in the shaft sleeve body, and a plurality of solid self-lubricating cylindrical particles embedded in the embedding holes respectively. The oil storage groove is communicated with the embedding hole, the oil storage groove is used for storing lubricating oil and conveying the lubricating oil to the solid self-lubricating cylindrical particles, and the solid self-lubricating cylindrical particles contain a large number of micropores for adsorbing the lubricating oil.
Further, the area occupied by the plurality of embedding holes is 10% to 36% of the total external surface area of the shaft sleeve body.
Further, the oil storage groove is composed of a plurality of grooves or is a single groove.
Further, the oil storage groove is formed in the outer surface of the inner sleeve member, or in the inner surface of the outer sleeve member, or in both the outer surface of the inner sleeve member and the inner surface of the outer sleeve member.
Further, the oil storage groove is a thread groove.
Further, the inner sleeve part is fixedly installed in the outer sleeve part through glue bonding or fixedly installed in the outer sleeve part through interference fit.
Further, the solid self-lubricating cylindrical particles are adhered and installed in the embedding holes by glue.
Further, the solid self-lubricating cylindrical particles are graphite materials containing a large number of micropores or powder metallurgy materials containing a large number of micropores.
Further, the sleeve body is made of copper alloy, the outer sleeve member is made of copper alloy or steel, and further, the outer sleeve member is provided with oil holes.
Compared with the prior art, the maintenance-free self-lubricating movable bearing provided by the utility model has the advantages that the internal oil storage groove is arranged between the outer sleeve part and the inner sleeve part and is communicated with each embedding hole provided with the solid self-lubricating cylindrical particles, so that when lubricating oil is stored in the internal oil storage groove, the lubricating oil can be conveyed to the solid self-lubricating cylindrical particles, one end of each solid self-lubricating cylindrical particle is soaked in the lubricating oil, the oil content of each solid self-lubricating cylindrical particle is improved, and on the other hand, the lubricating oil stored in the external groove can timely supplement the lubricating oil evaporated and lost in the solid self-lubricating cylindrical particles during the working process 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. Because the lubricating oil is stored in the sealed oil storage groove between the inner sleeve part and the outer sleeve part, the lubricating oil keeps providing lubrication for the bearing in the service life of the self-lubricating movable bearing, so that the self-lubricating movable bearing is free from maintenance, and the equipment maintenance cost is reduced.
Drawings
Fig. 1 is an exploded schematic view of a maintenance-free self-lubricating sliding bearing with an internal oil storage groove according to the present invention.
Fig. 2 is a schematic cross-sectional view of the maintenance-free self-lubricating plain bearing with internal oil grooves of fig. 1.
Fig. 3 is an exploded view of the maintenance-free self-lubricating sliding bearing with internal oil storage grooves and 3 radial oil storage grooves provided by the present invention.
Fig. 4 is an exploded view of the maintenance-free self-lubricating sliding bearing with internal oil storage grooves, in which the inner and outer sleeve members are provided with grooves.
Fig. 5 is an exploded view of the maintenance-free self-lubricating sliding bearing with a threaded oil storage groove and an internal oil storage groove according to the present invention.
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 maintenance-free self-lubricating sliding bearing with an internal oil storage groove according to the present invention. The maintenance-free self-lubricating dynamic bearing with the internal oil storage groove comprises an inner sleeve part 10, an outer sleeve part 20 sleeved on the inner sleeve part 10, and at least one oil storage groove 30 arranged between the inner sleeve part 10 and the outer sleeve part 20. It is conceivable that the maintenance-free self-lubricating dynamic bearing with the internal oil storage groove further includes lubricating oil or the like, and further, as a separate component to be installed in the equipment according to the actual use requirement, these should be known to those skilled in the art, and will not be described herein again.
The inner sleeve member 10 includes a sleeve body 11, a plurality of inlay holes 12 provided in the sleeve body 11, and a plurality of solid self-lubricating cylindrical particles 13 respectively inlaid in the inlay holes 12. The sleeve body 11 may be made of a copper alloy. The diameter and wall thickness of the sleeve body 11 are designed according to the application field, and are not limited in this embodiment. It is conceivable that the sleeve body 11 is a hollow cylinder.
The quantity of the solid self-lubricating cylindrical particles 13 is the same as that of the embedding holes 12, and each solid self-lubricating cylindrical particle 13 is adhered and installed in the corresponding embedding hole 12 by glue. The solid self-lubricating cylindrical particles 13 can be made of graphite material containing a large number of micropores, and can also be made of copper-based powder metallurgy material containing a large number of micropores. When the solid self-lubricating cylindrical particles 13 are made of a graphite material, the graphite content is more than 80%. When the solid self-lubricating cylindrical particles 13 are made of a copper-based powder metallurgy material, the copper content is more than 50%. The micropores contained in the solid self-lubricating cylindrical particles 13 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 contents that need to be protected in the prior art and are not provided in the present invention, and are not described herein again.
The inner sleeve member 10 further includes a flange rib 14 disposed at one axial end of the sleeve body 11, and the flange rib 14 is used for mounting a self-lubricating sliding bearing. The flange rib 14 is prior art and will not be described in detail herein.
The outer sleeve member 20 may be fixedly mounted on the inner sleeve member 10 by gluing or by interference fit. In this embodiment, the outer sheath member 20 is fixed to the inner sheath member 10 by bonding with glue. The outer jacket member 20 may be made of a copper alloy or made of steel. In this embodiment, the outer jacket member is made of steel. Of course, in order to fill the lubricant, the outer jacket member 20 is provided with an oil filling hole 21.
The oil storage groove 30 is disposed on the outer surface of the inner sleeve member 10, or on the inner surface of the outer sleeve member 20, or on both the outer surface of the inner sleeve member 10 and the inner surface of the outer sleeve member 20. As shown in fig. 1, 1 radial oil storage groove 30 is disposed on the inner cylindrical surface of the outer sleeve member 20, and the 1 radial oil storage groove 30 is communicated with all of the inlaid holes 12, so that the lubricating oil in the oil storage groove 30 can be conveyed to the inlaid holes 12, and one end of the solid self-lubricating cylindrical particle 13 is soaked in the lubricating oil and absorbed or stored by the solid self-lubricating cylindrical particle 13, thereby achieving the purpose of improving the lubricating capability of the solid self-lubricating cylindrical particle 13. The depth of the oil storage groove 30 can be set to be 0.5mm to 2mm, and is determined according to actual needs and process requirements.
The schematic structure shown in fig. 3 employs 3 radially distributed oil storage grooves 30, and the 3 oil storage grooves 30 are disposed on the inner cylindrical surface of the outer sleeve member 20; a plurality of axial oil storage grooves 30 are also arranged among the 3 radially distributed oil storage grooves 30, so that all the oil storage grooves 30 are communicated together. Of course, these oil storage grooves 30 may be only partially connected together according to actual use requirements and working environment.
In the embodiment of fig. 4, the oil storage grooves 30 are composed of 6 radially distributed oil storage grooves 15 provided on the outer cylindrical surface of the inner sleeve member 10 and 4 axial oil storage grooves 22 provided on the inner cylindrical surface of the outer sleeve member 20, and also all the oil storage grooves 30 are communicated.
In the embodiment shown in fig. 5, the oil storage groove 30 has a threaded structure. The thread oil storage groove 30 is provided in the inner cylindrical surface of the outer sheath member 20 and communicates with all the insertion holes 12, and the lubricating oil in the thread oil storage groove 30 can be circulated to all the solid self-lubricating cylindrical particles 13 installed in the insertion holes 12.
Compared with the prior art, the maintenance-free self-lubricating movable bearing provided by the utility model has the advantages that the internal oil storage groove 30 is arranged between the outer sleeve part 20 and the inner sleeve part 10, the internal oil storage groove 30 is communicated with the embedding hole 12 provided with the solid self-lubricating cylindrical particles 13, so that when lubricating oil is stored in the internal oil storage groove 30, the lubricating oil can be conveyed to the solid self-lubricating cylindrical particles 13, one end of the solid self-lubricating cylindrical particles 13 is soaked in the lubricating oil, the oil content of the solid self-lubricating cylindrical particles 13 is improved, the lubricating oil stored in the oil storage groove 30 can timely supplement the lubricating oil evaporated and lost in the solid self-lubricating cylindrical particles 13 during the work, 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. Because the lubricating oil is stored in the sealed oil storage groove 30 between the inner and outer sleeve components, the lubricating oil keeps providing lubrication for the bearing in the service life of the self-lubricating movable bearing, so that the self-lubricating movable bearing is free from maintenance, and the maintenance cost of equipment is reduced.
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 non-maintaining self-lubricating dynamic bearing with inside oil storage slot which characterized in that: non-maintaining self-lubricating movable bearing with inside oil storage slot includes an endotheca part, and a cover is established overcoat part on the endotheca part to and at least one is seted up the oil storage slot between endotheca part and the overcoat part, the endotheca part includes an axle sleeve body, and a plurality of settings are in inlay the hole on the axle sleeve body to and a plurality of inlay respectively inlay the solid self-lubricating cylinder grain in the hole, the oil storage slot with it is linked together to inlay the hole, the oil storage 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 absorbing lubricating oil.
2. The maintenance-free self-lubricating dynamic bearing with internal oil storage grooves of 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 maintenance-free self-lubricating dynamic bearing with internal oil storage grooves of claim 1, wherein: the oil storage groove is composed of a plurality of grooves or is a single groove.
4. The maintenance-free self-lubricating dynamic bearing with internal oil storage grooves of claim 1, wherein: the oil storage groove is formed in the outer surface of the inner sleeve member, or formed in the inner surface of the outer sleeve member, or formed in both the outer surface of the inner sleeve member and the inner surface of the outer sleeve member.
5. The maintenance-free self-lubricating dynamic bearing with internal oil storage grooves of claim 1, wherein: the oil storage groove is a thread groove.
6. The maintenance-free self-lubricating dynamic bearing with internal oil storage grooves of claim 1, wherein: the inner sleeve part is fixedly arranged in the outer sleeve part through glue bonding or fixedly arranged in the outer sleeve part through interference fit.
7. The maintenance-free self-lubricating dynamic bearing with internal oil storage grooves of claim 1, wherein: and the solid self-lubricating cylindrical particles are adhered and installed in the embedding holes by glue.
8. The maintenance-free self-lubricating dynamic bearing with internal oil storage grooves of claim 1, wherein: the solid self-lubricating cylindrical particles are made of graphite materials containing a large number of micropores or powder metallurgy materials containing a large number of micropores.
9. The maintenance-free self-lubricating dynamic bearing with internal oil storage grooves of claim 1, wherein: the sleeve body is made of a copper alloy, and the outer sheath member is made of a copper alloy or steel.
10. The maintenance-free self-lubricating dynamic bearing with internal oil storage grooves of claim 1, wherein: the jacket component is provided with an oil filling hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121122386.5U CN216361104U (en) | 2021-05-24 | 2021-05-24 | Maintenance-free self-lubricating dynamic bearing with internal oil storage groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121122386.5U CN216361104U (en) | 2021-05-24 | 2021-05-24 | Maintenance-free self-lubricating dynamic bearing with internal oil storage groove |
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| Publication Number | Publication Date |
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| CN216361104U true CN216361104U (en) | 2022-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121122386.5U Active CN216361104U (en) | 2021-05-24 | 2021-05-24 | Maintenance-free self-lubricating dynamic bearing with internal oil storage groove |
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| CN (1) | CN216361104U (en) |
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2021
- 2021-05-24 CN CN202121122386.5U patent/CN216361104U/en active Active
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