CN214998874U - Retainer for angular contact ball bearing - Google Patents
Retainer for angular contact ball bearing Download PDFInfo
- Publication number
- CN214998874U CN214998874U CN202120881199.9U CN202120881199U CN214998874U CN 214998874 U CN214998874 U CN 214998874U CN 202120881199 U CN202120881199 U CN 202120881199U CN 214998874 U CN214998874 U CN 214998874U
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- Prior art keywords
- ball
- ball body
- bearing
- angular contact
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- 238000005096 rolling process Methods 0.000 claims abstract description 8
- 239000000872 buffer Substances 0.000 claims description 22
- 230000017525 heat dissipation Effects 0.000 claims description 16
- 239000003921 oil Substances 0.000 abstract description 21
- 230000000694 effects Effects 0.000 abstract description 11
- 239000010687 lubricating oil Substances 0.000 abstract description 11
- 238000005461 lubrication Methods 0.000 abstract description 6
- 239000004519 grease Substances 0.000 abstract description 4
- 230000001050 lubricating effect Effects 0.000 abstract description 4
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a retainer for angular contact ball bearing, belonging to the bearing technical field, comprising a retainer body, wherein ball pockets are equidistantly arranged on the surface of the retainer body, and the inner cavities of the ball pockets are connected with ball bodies in a rolling way; can produce centrifugal force when the bearing is rotatory, set up two oil grooves and can play the lubricating grease homogeneity between oil storage function and ball body, can supply the lubrication between raceway and ball body, avoided leading to the frictional force to increase because lubricated inequality between holder body and ball body, cause the ball pocket to enlarge, influence the spacing effect of ball pocket to the ball body, thereby influence the bearing normal use, through the holder body, the ball body, the setting of ball pocket and oil groove, when the ball body rotates at a high speed, can produce high temperature, can increase the area of contact between ball body and the lubricating oil through the oil groove, improve the radiating effect of lubricating oil to the ball body, the life of ball body has been guaranteed.
Description
Technical Field
The utility model relates to a bearing technical field specifically is a holder for angular contact ball bearing.
Background
The bearing is an important part in modern mechanical equipment, the main function of the bearing is to support a mechanical rotator, reduce the friction coefficient in the motion process of the mechanical rotator and ensure the rotation precision of the mechanical rotator, the early linear motion bearing mode is that a row of wooden rods are placed under a row of crowbars, the modern linear motion bearing uses the same working principle, but sometimes uses balls to replace rollers, and in order to ensure that the balls can rotate at fixed positions, a retainer is required to limit the balls.
The inner hole of the inner guide retainer of the bearing and the ball of the existing retainer have smaller matching tolerance, lubricating oil is not easy to enter a roller path, poor lubrication is easy to cause, good lubrication cannot be achieved between the retainer and the ball, friction between the retainer and the ball is increased, the inner hole of the retainer can be enlarged, the limiting effect of the retainer on the ball is reduced, the normal use of the bearing can be influenced, meanwhile, the heat dissipation effect is poor, high temperature can be generated when the ball rotates at high speed, if the heat dissipation can not be timely carried out on the ball, the abrasion of the ball can be accelerated, the service life of the bearing is reduced, and therefore the retainer for the angular contact ball bearing needs to be provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an angular contact ball bearing is with holder possesses the advantage that improves the radiating effect, increases lubricated effect and improve bearing life to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an angular contact is holder for ball bearing, includes the holder body, the ball pocket has been seted up to the surperficial equidistance of holder body, the inner chamber roll connection of ball pocket has the ball body, the inboard both sides that just are located the ball body of holder body have all seted up the oil groove, the surface of ball body and the inner chamber roll connection of oil groove.
Preferably, the ball body comprises a first ball body, the surface of the first ball body is in rolling connection with the inner cavity of the ball pocket, a second ball body is arranged in the inner cavity of the first ball body, and a buffer layer is arranged between the first ball body and the second ball body.
Preferably, the inner surface of the buffer layer is attached to the surface of the second sphere, and the outer surface of the buffer layer is fixedly mounted on the inner wall of the first sphere.
Preferably, the surface of the buffer layer is equidistantly provided with heat dissipation holes, and one ends of the heat dissipation holes penetrate through the first sphere and extend to the outside of the first sphere.
Preferably, a first wear-resistant layer is fixedly mounted on the surface of the first sphere, and the surface of the first wear-resistant layer is in rolling connection with the inner cavity of the ball pocket.
Preferably, a second wear-resistant layer is fixedly mounted on the surface of the second ball body, and the surface of the second wear-resistant layer is attached to the inner side of the buffer layer.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a centrifugal force can be produced when the bearing is rotatory through the setting of oil groove, sets up two oil grooves and can play the lubricating grease homogeneity between oil storage function and ball body, can supply the lubrication between raceway and ball body, has avoided leading to the frictional force increase because of lubricated inequality between holder body and ball body, causes the ball pocket to enlarge, influences the spacing effect of ball body of ball pocket to influence the bearing and normally uses;
2. the utility model discloses a retainer body, the setting of ball body, ball pocket and oil groove, when the high-speed rotation of ball body, can produce high temperature, can increase the area of contact between ball body and the lubricating oil through the oil groove, improve the radiating effect of lubricating oil to the ball body, guaranteed the life of ball body.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the front sectional structure of the ball body of the present invention;
FIG. 3 is a schematic view of a front cross-sectional view of a first sphere according to the present invention;
fig. 4 is a schematic view of a front cross-sectional view of a second sphere according to the present invention.
In the figure: 1. a cage body; 2. a ball pocket; 3. a ball body; 4. an oil sump; 5. a first sphere; 6. a second sphere; 7. a buffer layer; 8. heat dissipation holes; 9. a first wear resistant layer; 10. a second wear resistant layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: the utility model provides a cage for angular contact ball bearing, including cage body 1, ball pocket 2 has been seted up to cage body 1's surperficial equidistance, ball pocket 2's inner chamber roll connection has ball body 3, oil groove 4 has all been seted up to cage body 1's inboard and the both sides that are located ball body 3, ball body 3's surface and the inner chamber roll connection of oil groove 4, through the setting of oil groove 4, can produce centrifugal force when the bearing is rotatory, set up two oil grooves 4 and can play the lubricating grease homogeneity between oil storage function and ball body 3, can supply the lubrication between raceway and ball body 3, avoided cage body 1 and ball body 3 because lubricated inequality leads to frictional force to increase, cause ball pocket 2 to enlarge, influence ball pocket 2 to ball body 3's spacing effect, thereby influence the bearing normal use, through cage body 1, ball body 3, Ball pocket 2 and oil groove 4's setting, when ball body 3 rotates at a high speed, can produce high temperature, can increase the area of contact between ball body 3 and the lubricating oil through oil groove 4, improve the radiating effect of lubricating oil to ball body 3, guaranteed ball body 3's life.
Referring to fig. 2, 3 and 4, the ball body 3 includes a first ball 5, a surface of the first ball 5 is in rolling connection with an inner cavity of the ball pocket 2, a second ball 6 is disposed in the inner cavity of the first ball 5, a buffer layer 7 is disposed between the first ball 5 and the second ball 6, a centrifugal force generated when the first ball 5 rotates at a high speed drives the second ball 6 to move at a high speed, the kinetic energy of the first ball 5 is increased by the second ball 6 moving at a high speed due to inertia, and the friction between the first ball 5 and the ball pocket 2 and the raceway is balanced, so that the rotation resistance of the bearing can be reduced, meanwhile, the buffer layer 7 buffers the second ball 6, and prevents the second ball 6 from colliding with the inner cavity of the first ball 5 to damage the first ball 5, an inner surface of the buffer layer 7 is attached to the surface of the second ball 6, and an outer surface of the buffer layer 7 is fixedly mounted to the inner wall of the first ball 5, can fix the second sphere 6, prevent the buffer layer 7 from displacing in the inner cavity of the first sphere 5, thereby affecting the heat dissipation effect of the heat dissipation holes 8 on the first sphere 5, the surface of the buffer layer 7 is equidistantly provided with the heat dissipation holes 8, one end of each heat dissipation hole 8 penetrates through the first sphere 5 and extends to the outside of the first sphere 5, so that the lubricating oil can conveniently enter the heat dissipation holes 8, the heat dissipation holes 8 can dissipate the heat of the second wear-resistant layer 10 on the surface of the second sphere 6, thereby prolonging the service life of the second wear-resistant layer 10, the surface of the first sphere 5 is fixedly provided with the first wear-resistant layer 9, the surface of the first wear-resistant layer 9 is in rolling connection with the inner cavity of the ball pocket 2, through the arrangement of the first wear-resistant layer 9, because the first wear-resistant layer 9 has good high temperature resistance, the high-speed rotation stability of the first sphere 5 can be ensured at high temperature, the surface of the second sphere 6 is fixedly provided with the second wear-resistant layer 10, the surface of second wearing layer 10 and the inboard laminating of buffer layer 7, through the setting of second wearing layer 10, because second wearing layer 10 has good wearability, prevent that second spheroid 6 from leading to wearing and tearing serious because of the inboard friction with buffer layer 7 to influence the stability when second spheroid 6 moves at a high speed.
The second ball body 6 and the buffer layer 7 are driven to rotate when the first ball body 5 rotates at a high speed, because the second wear-resistant layer 10 on the surface of the second ball body 6 can rub against the inner side of the buffer layer 7 to generate high temperature, lubricating oil can be contacted with the second wear-resistant layer 10 through the heat dissipation holes 8 by arranging the heat dissipation holes 8 to dissipate the high temperature generated by the second wear-resistant layer 10, the temperature of the second wear-resistant layer 10 is reduced, the service life of the second wear-resistant layer 10 is prolonged, meanwhile, the first wear-resistant layer 9 on the surface of the first ball body 5 can rub against the ball pocket 2 and the ball track to generate high temperature due to high-speed rotation, the oil storage function and the lubricating grease uniformity between the first wear-resistant layer 9 can be achieved by arranging the two oil grooves 4, the lubrication between the ball track and the first wear-resistant layer 9 can be supplemented, the contact area between the lubricating oil and the first wear-resistant layer 9 is increased, and the heat dissipation effect of the lubricating oil on the first wear-resistant layer 9 is improved, simultaneously first spheroid 5 can produce centrifugal force when high-speed rotatory and drive the high-speed removal of second spheroid 6, and the kinetic energy of first spheroid 5 can be improved because of inertia to the second spheroid 6 of high removal, balances the frictional force between first spheroid 5 and ball pocket 2 and the raceway to can reduce the rolling resistance of bearing.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an angular contact ball is holder for bearing, includes holder body (1), ball pocket (2) have been seted up to the surperficial equidistance of holder body (1), the inner chamber roll connection of ball pocket (2) has ball body (3), its characterized in that: oil grooves (4) are formed in the inner side of the retainer body (1) and in the two sides of the ball body (3), and the surface of the ball body (3) is in rolling connection with the inner cavity of each oil groove (4).
2. The angular contact ball bearing cage according to claim 1, wherein: the ball body (3) comprises a first ball body (5), the surface of the first ball body (5) is in rolling connection with the inner cavity of the ball pocket (2), a second ball body (6) is arranged in the inner cavity of the first ball body (5), and a buffer layer (7) is arranged between the first ball body (5) and the second ball body (6).
3. The angular contact ball bearing cage according to claim 2, wherein: the inner surface of the buffer layer (7) is attached to the surface of the second sphere (6), and the outer surface of the buffer layer (7) is fixedly installed on the inner wall of the first sphere (5).
4. The angular contact ball bearing cage according to claim 2, wherein: heat dissipation holes (8) are formed in the surface of the buffer layer (7) at equal intervals, and one ends of the heat dissipation holes (8) penetrate through the first sphere (5) and extend to the outside of the first sphere (5).
5. The angular contact ball bearing cage according to claim 2, wherein: the surface fixed mounting of first spheroid (5) has first wearing layer (9), the surface of first wearing layer (9) and the inner chamber roll connection of ball pocket (2).
6. The angular contact ball bearing cage according to claim 2, wherein: the surface of the second sphere (6) is fixedly provided with a second wear-resistant layer (10), and the surface of the second wear-resistant layer (10) is attached to the inner side of the buffer layer (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120881199.9U CN214998874U (en) | 2021-04-27 | 2021-04-27 | Retainer for angular contact ball bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120881199.9U CN214998874U (en) | 2021-04-27 | 2021-04-27 | Retainer for angular contact ball bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214998874U true CN214998874U (en) | 2021-12-03 |
Family
ID=79092368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120881199.9U Active CN214998874U (en) | 2021-04-27 | 2021-04-27 | Retainer for angular contact ball bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214998874U (en) |
-
2021
- 2021-04-27 CN CN202120881199.9U patent/CN214998874U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Cage for angular contact ball bearing Effective date of registration: 20221130 Granted publication date: 20211203 Pledgee: Lishui Liandu Sub branch of Agricultural Bank of China Ltd. Pledgor: Zhixing (Lishui) Precision Bearing Co.,Ltd. Registration number: Y2022980024103 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20211203 Pledgee: Lishui Liandu Sub branch of Agricultural Bank of China Ltd. Pledgor: Zhixing (Lishui) Precision Bearing Co.,Ltd. Registration number: Y2022980024103 |