CN217301290U - Thrust cylindrical roller bearing retainer and bearing thereof - Google Patents
Thrust cylindrical roller bearing retainer and bearing thereof Download PDFInfo
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- CN217301290U CN217301290U CN202121165239.6U CN202121165239U CN217301290U CN 217301290 U CN217301290 U CN 217301290U CN 202121165239 U CN202121165239 U CN 202121165239U CN 217301290 U CN217301290 U CN 217301290U
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- retainer
- seat
- cover
- cage
- bearing
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Abstract
The utility model relates to a thrust cylindrical roller bearing retainer and a bearing thereof, wherein the retainer comprises a retainer seat and a retainer cover, and the retainer seat is a ring-shaped part which is uniformly provided with a plurality of pockets; the circumference of the outer diameter of the retainer seat is provided with a plurality of grooves, a plurality of through holes are arranged on the retainer cover corresponding to the positions of the grooves of the retainer seat, the retainer cover is coaxially sleeved and fixed on the periphery of the retainer seat, and the thickness of the retainer cover is less than or equal to 1 mm; adopt the thrust cylinder roller bearing of the holder of this structure, still include: the device comprises a shaft ring, rollers, a seat ring and an elastic connecting piece; the roller is arranged in the retainer seat between the shaft ring and the seat ring, and the retainer seat is connected with the retainer cover through the elastic connecting piece; through optimizing retainer lid and cylindrical roller design, further improved the bearing capacity of bearing, when the same service behavior, the life of bearing has further effectively been promoted, and it has easy installation, high rigidity, high characteristics of bearing, long-life and high reliability.
Description
Technical Field
The utility model relates to a antifriction bearing technical field specifically relates to a thrust cylinder roller bearing holder and bearing thereof.
Background
The thrust cylindrical roller bearing consists of a shaft ring, a seat ring, a roller and a retainer, has high rigidity and higher axial bearing capacity, and is widely applied. The existing thrust cylindrical roller bearing generally adopts a brass solid retainer, and because the thickness problem of a retainer cover is considered, the design of a roller in the design process is limited, and the bearing load is limited.
Disclosure of Invention
In view of the above technical problem, the utility model provides a novel thrust cylindrical roller bearing holder and bearing thereof through optimizing the design of holder lid and cylindrical roller, has further improved the bearing capacity of bearing, and when the same use operating mode, the life of bearing has further obtained effective promotion, and it has the characteristics of easy installation, high rigidity, high bearing, long-life and high reliability.
In order to realize the purpose, the utility model discloses the technical scheme who adopts is: a thrust cylindrical roller bearing retainer comprises a retainer seat and a retainer cover, wherein the retainer seat is a ring piece uniformly provided with a plurality of pockets; the outer diameter circumference of the retainer seat is provided with a plurality of grooves, a plurality of through holes are formed in the retainer cover corresponding to the plurality of grooves of the retainer seat, the retainer cover is coaxially sleeved and fixed on the periphery of the retainer seat, the thickness of the retainer cover is less than or equal to 1mm, and the retainer cover forms a radial outer seal of the opening of the retainer pocket;
furthermore, the retainer cover is a thin-wall annular metal plate, so that the technical current situation that the existing retainer cover is a forged piece or a casting which is machined to be relatively thick is changed;
furthermore, the diameter of the through hole on the retainer cover is matched with the inner diameter of the groove on the retainer seat;
further, the retainer cover is in interference fit with the retainer seat;
furthermore, the retainer cover is integrally processed and is formed by punching, stretching and forming through a spinning die;
adopt the thrust cylinder roller bearing of the holder of above-mentioned structure, still include: the device comprises a shaft ring, rollers, a seat ring and an elastic connecting piece; the roller is arranged in the retainer seat between the shaft ring and the seat ring, and the retainer seat is connected with the retainer cover by the elastic connecting piece;
further, the inner diameter edge of the retainer seat tends to the inner diameter direction of the shaft ring or the seat ring, the outer diameter edge of the retainer cover tends to the outer diameter edge direction of the shaft ring or the seat ring, and the distance between the inner diameter and the outer diameter of the retainer cover is less than or equal to 1 mm;
furthermore, the thickness of the retainer cover is relatively thin, so that the length of the retainer pocket close to the outer diameter direction of the bearing in the whole pocket is larger than that of the retainer pocket close to the inner diameter direction of the bearing, and the length of the roller is lengthened; that is, the length Lw1 of the roller is set more toward the outer diameter direction of the race or race;
furthermore, due to the thin-wall design of the retainer cover, the space is increased under the condition that the sizes of other parts are not changed;
furthermore, the length of the roller is lengthened, the rotation diameter of the roller is increased, and a certain lifting space is reserved for the number of the rollers.
Further, the elastic connecting piece is in a bolt, a spring pin or other forms.
The utility model has the advantages that:
by improving the design of the retainer cover, the retainer cover is a thin-wall annular metal plate, the space is increased under the condition that the sizes of other parts are not changed, the length of the roller can be lengthened, the number of the rollers has a certain lifting space, the load of the bearing is improved by more than 5%, and the service performance of the bearing is improved; the retainer cover is integrally processed and is formed by stamping and stretching through a spinning die, so that the retainer cover has the characteristics of high strength, smooth appearance, light weight and the like, batch production is easy to realize, the production period is shortened, and the cost is reduced.
Drawings
Fig. 1 is a bearing structure diagram of the present invention.
Fig. 2 is a structural view of the holder cover in fig. 1.
Fig. 3 is a view of a thrust cylindrical roller bearing before modification.
In the figure, 1, race, 2, roller, 3, race, 4, cage seat, 5', cage cover, 6, elastic connection, b, cage cover thickness, Lw1, roller length, Dwp1, roller revolution diameter, 5, cage cover before modification, Lw, roller length before modification, Dwp, roller revolution diameter before modification, a, thickness of cage cover before modification.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1-2, a thrust cylindrical roller bearing cage comprises a cage seat 4 and a cage cover 5', wherein the cage seat 4 is an annular member with a plurality of pockets uniformly arranged; the outer diameter circumference of the retainer seat 4 is provided with a plurality of grooves, a plurality of through holes are arranged on the retainer cover 5 'corresponding to the positions of the grooves of the retainer seat 4, and the retainer cover 5' is coaxially sleeved and fixed on the periphery of the retainer seat 4, and the retainer seat is characterized in that the thickness of the retainer cover 5 'is less than or equal to 1mm, and the retainer cover 5' forms a radial outer seal of a retainer pocket opening;
further, the diameter of the through hole on the retainer cover 5' is matched with the inner diameter of the groove on the retainer seat 4;
further, the holder cover 5' is in interference fit with the holder base 4;
further, the retainer cover 5' is integrally machined and is formed by stamping and stretching through a spinning die;
adopt the thrust cylinder roller bearing of the holder of above-mentioned structure, still include: the device comprises a shaft ring 1, rollers 2, a seat ring 3 and an elastic connecting piece 6; the roller 2 is arranged in a retainer seat 4 between the shaft ring 1 and the seat ring 3, and the retainer seat 4 and a retainer cover 5' are connected by an elastic connecting piece 6;
further, the inner diameter edge of the retainer seat 4 tends to the inner diameter direction of the shaft ring 1 or the seat ring 3, the outer diameter edge of the retainer cover 5 'tends to the outer diameter edge direction of the shaft ring 1 or the seat ring 3, and the distance between the inner diameter and the outer diameter of the retainer cover 5' is less than or equal to 1 mm;
further, the thickness of the cage cover 5' is relatively thin, so that the length of the cage pocket close to the outer diameter direction of the bearing in the whole pocket is larger than that of the cage pocket close to the inner diameter direction of the bearing, and the length of the roller 2 is lengthened; that is, the length Lw1 of the roller is set more toward the outer diameter direction of the race 1 or the raceway 3;
the utility model discloses a cage lid 5' is thin wall annular metal sheet, compares with the current thrust cylinder roller bearing before improving (fig. 3), and thickness b < a is less than or equal to 1mm, and the space increases under the unchangeable condition of other part sizes, and 2 length of roller can extend, and Lw1 > Lw, and roller gyration diameter Dwp1 > Dwp, and 2 quantity of roller have certain promotion space, and the bearing load improves more than 5%, promotes bearing performance.
Based on the above embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Claims (7)
1. A thrust cylindrical roller bearing retainer comprises a retainer seat and a retainer cover, wherein the retainer seat is a ring piece uniformly provided with a plurality of pockets; a plurality of recesses have been seted up to holder seat external diameter circumference, cover with the corresponding holder of a plurality of recess positions of holder seat and be equipped with a plurality of through-holes, and the coaxial suit of holder lid is fixed in holder seat periphery, its characterized in that: the thickness of the retainer cover is less than or equal to 1mm, and the retainer cover forms a radial outer seal of the opening of the retainer pocket; the diameter of the through hole on the retainer cover is matched with the inner diameter of the groove on the retainer seat; the retainer cover is in interference fit with the retainer seat.
2. The thrust cylindrical roller bearing cage of claim 1, wherein: the retainer cover is a thin-walled annular metal plate.
3. The thrust cylindrical roller bearing cage of claim 1, wherein: the retainer cover is integrally processed and is formed by punching and stretching through a spinning die.
4. A thrust cylindrical roller bearing using the cage of claim 1, characterized in that: further comprising: the device comprises a shaft ring, rollers, a seat ring and an elastic connecting piece; the roller is disposed in the cage seat between the race and the race, and the elastomeric link couples the cage seat and the cage cover.
5. The thrust cylindrical roller bearing cage of claim 4, wherein: the inner diameter edge of the retainer seat tends to the inner diameter direction of the shaft ring or the seat ring, the outer diameter edge of the retainer cover tends to the outer diameter edge direction of the shaft ring or the seat ring, and the distance between the inner diameter and the outer diameter of the retainer cover is less than or equal to 1 mm.
6. The thrust cylindrical roller bearing cage of claim 5, wherein: the cage cover is thin, so that the length of the cage pockets close to the outer diameter direction of the bearing in the whole pockets is larger than that of the cage pockets close to the inner diameter direction of the bearing, and the length of the roller is lengthened; that is, the length of the roller is set more in the outer diameter direction of the race or the ring.
7. The thrust cylindrical roller bearing cage of claim 4, wherein: the elastic connecting piece is a bolt or a spring pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121165239.6U CN217301290U (en) | 2021-05-28 | 2021-05-28 | Thrust cylindrical roller bearing retainer and bearing thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121165239.6U CN217301290U (en) | 2021-05-28 | 2021-05-28 | Thrust cylindrical roller bearing retainer and bearing thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217301290U true CN217301290U (en) | 2022-08-26 |
Family
ID=82913095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121165239.6U Active CN217301290U (en) | 2021-05-28 | 2021-05-28 | Thrust cylindrical roller bearing retainer and bearing thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217301290U (en) |
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2021
- 2021-05-28 CN CN202121165239.6U patent/CN217301290U/en active Active
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