CN210949556U - Ball retainer and angular contact ball bearing - Google Patents
Ball retainer and angular contact ball bearing Download PDFInfo
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- CN210949556U CN210949556U CN201922166932.4U CN201922166932U CN210949556U CN 210949556 U CN210949556 U CN 210949556U CN 201922166932 U CN201922166932 U CN 201922166932U CN 210949556 U CN210949556 U CN 210949556U
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- bearing
- ball
- retainer
- balls
- retaining shoulder
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Abstract
The utility model provides a ball retainer and angular contact ball bearing, ball retainer includes a plurality of support bodies, and the both sides terminal surface of each support body is equipped with the ball pocket, and the surface of each ball pocket is used for contacting with the bearing ball, and the straight line distance between arbitrary two points on arbitrary one cross section of support body is less than the diameter of bearing ball, is equipped with a support body between two adjacent bearing balls, has prolonged the life-span of bearing ball, has reduced the weight of bearing and the starting moment of bearing; the angular contact ball bearing comprises a bearing inner ring, a plurality of bearing balls, a bearing outer ring and the ball retainer, wherein a ball slideway is arranged between the bearing inner ring and the bearing outer ring, the ball retainer is used for separating the bearing balls and preventing the bearing balls from falling off, the number of the bearing balls is multiple, the number of the bearing balls is the same as that of the bearing body, each bearing ball can slide in the ball slideway, the ball retainer does not influence the arrangement of the bearing inner ring and the bearing outer ring, and the contact angle of the bearing can be increased.
Description
Technical Field
The utility model relates to a bearing technical field especially relates to a bearing retainer and angular contact ball bearing.
Background
In the prior art, a steel wave-shaped bearing retainer or a frame-type bearing retainer is generally adopted, the contact area between the two retainers and steel balls is large, the abrasion is fast, the service life is short, in addition, the friction force between the retainer and the steel balls is large, the initial reaction force of the bearing is large, further, the starting torque of the bearing is required to be large, the mass of the retainer is large, the starting torque of the bearing is also large, the energy consumption is high, in addition, the angular contact bearing can simultaneously bear radial load and axial load, can work at a higher rotating speed, the contact angle is larger, the axial bearing capacity is higher, the contact area between the retainer and the steel balls in the prior art is large, the contact between the steel balls and a slideway is influenced, and the range of the contact angle is limited, the angular contact ball bearing has small anti-overturning moment and small capacity of bearing axial load.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a ball retainer and angular contact ball bearing to solve the problem that above-mentioned prior art exists, prolong the life of bearing, reduce the starting moment of bearing, increase angular contact ball bearing's antidumping moment.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides a ball retainer, including a plurality of support bodies, each the both sides terminal surface of support body is equipped with the ball pocket, each the surface of ball pocket is used for contacting with bearing ball, the straight-line distance between arbitrary two points on an arbitrary cross section of support body is less than bearing ball's diameter is equipped with one between the two adjacent bearing ball the support body.
Preferably, the retainer is a lightweight nylon retainer.
Preferably, the ball pocket is a spherical groove, and the spherical radius of the spherical groove is the same as that of the bearing ball.
The utility model also provides an angular contact ball bearing, including bearing inner race, bearing ball, bearing inner race and above-mentioned arbitrary one the ball holder, the bearing inner race with be equipped with the ball slide between the bearing inner race, each the bearing ball can slide in the ball slide, the ball holder set up in be used for separating in the ball slide the bearing ball and prevent the bearing ball drops, the bearing ball is a plurality of, the bearing ball with support body quantity is the same.
Preferably, the upper portion of the outer side wall of the bearing inner ring is provided with a first retaining shoulder, the lower portion of the inner side wall of the bearing outer ring is provided with a second retaining shoulder, the lower surface of the first retaining shoulder and the upper surface of the second retaining shoulder are respectively provided with an arc-shaped concave surface, the arc-shaped concave surfaces are used for contacting with bearing balls, the first retaining shoulder and the second retaining shoulder can limit the relative position of the bearing inner ring and the bearing outer ring, and the first retaining shoulder and the second retaining shoulder can limit the axial movement of the bearing balls along the bearing inner ring or the bearing outer ring.
Preferably, the bearing inner ring, the bearing balls and the bearing outer ring are all made of bearing steel materials.
Preferably, the bearing contact angle is 38.6 ° to 41.4 °.
The utility model discloses for prior art gain following technological effect:
the utility model provides a ball retainer, which comprises a plurality of retainer bodies, wherein ball pockets are arranged on the end surfaces of two sides of each retainer body, the surface of each ball pocket is used for contacting with bearing balls, the linear distance between any two points on any cross section of the retainer body is smaller than the diameter of the bearing balls, a retainer body is arranged between two adjacent bearing balls, the contact area between the split retainer and the bearing balls is small, the abrasion is slow, and the service life of the bearing balls is prolonged; the split type retainer is light in weight, and the weight of the bearing and the starting moment of the bearing are reduced.
Furthermore, the frame body is made of light nylon materials, and the light nylon retainer is light in weight, good in toughness and good in wear resistance, so that the weight of the bearing can be reduced, and the service life of the bearing is prolonged.
Furthermore, the ball pocket is a spherical groove, the spherical radius of the spherical groove is the same as that of the bearing ball, and the surface of the spherical groove is completely contacted with the bearing ball, so that the pressure intensity borne by the retainer can be reduced, and the service life of the retainer is prolonged.
The utility model also provides an angular contact ball bearing, including bearing inner race, bearing ball, bearing inner race and the arbitrary one of the aforesaid ball holder, be equipped with the ball slide between bearing inner race and the bearing inner race, each bearing ball can slide in the ball slide, the ball holder sets up in the ball slide and is used for separating the bearing ball and prevent that the bearing ball from droing, the bearing ball is a plurality of, bearing ball is the same with support body quantity, split type bearing holder sets up between each bearing ball, make the bearing holder not influence the setting of bearing inner race and bearing inner race, the optional scope of the contact point position of bearing ball and bearing inner race increases promptly, can increase the contact angle of bearing, make angular contact ball bearing can bear great axial load, angular contact ball bearing's antidumping moment has been increased.
Furthermore, the upper portion of the outer side wall of the bearing inner ring is provided with a first retaining shoulder, the lower portion of the inner side wall of the bearing outer ring is provided with a second retaining shoulder, the lower surface of the first retaining shoulder and the upper surface of the second retaining shoulder are provided with arc-shaped concave surfaces, each arc-shaped concave surface is used for being in contact with a bearing ball, the first retaining shoulder and the second retaining shoulder can limit the relative position of the bearing inner ring and the bearing outer ring, and the first retaining shoulder and the second retaining shoulder can limit the axial movement of the bearing ball along the bearing inner ring or the bearing outer ring.
Furthermore, the bearing inner ring, the bearing ball and the bearing outer ring are all made of bearing steel materials, so that the bearing is high in hardness and fatigue-resistant, and the service life of the bearing can be prolonged.
Furthermore, the bearing contact angle is 38.6-41.4 degrees, so that the angular contact ball bearing is suitable for the position with larger axial load.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a ball retainer according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of an angular contact ball bearing according to a second embodiment of the present invention.
In the figure: 1-a frame body; 2-a ball pocket; 3-bearing inner race; 4-bearing balls; 5-bearing outer ring; 6-a first catch shoulder; 7-second catch shoulder.
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.
The utility model aims at providing a ball retainer and angular contact ball bearing to solve the problem that prior art exists, prolong the life of bearing, reduce the starting moment of bearing, increase angular contact ball bearing's antidumping moment.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Example one
As shown in fig. 1, in this embodiment, the ball retainer includes a plurality of retainer bodies 1, ball pockets 2 are disposed on end surfaces of two sides of each retainer body 1, a surface of each ball pocket 2 is used for contacting bearing balls 4, a linear distance between any two points on any cross section of each retainer body 1 is smaller than a diameter of the bearing balls 4, a retainer body 1 is disposed between two adjacent bearing balls 4, a contact area between a split retainer and the bearing balls 4 is small, wear is slow, and a service life of the bearing balls 4 is prolonged; the split type retainer is light in weight, and the weight of the bearing and the starting moment of the bearing are reduced.
Furthermore, the frame body 1 is made of light nylon material, and the light nylon material is light in weight, good in toughness and good in wear resistance, so that the weight of the bearing can be reduced, and the service life of the bearing is prolonged.
Furthermore, the ball pocket 2 is a spherical groove, the spherical radius of the spherical groove is the same as that of the bearing ball 4, and the surface of the spherical groove is completely contacted with the bearing ball 4, so that the pressure intensity of the retainer can be reduced, and the service life of the retainer can be prolonged.
Example two
The present embodiment provides an angular contact ball bearing, as shown in fig. 2, in the present embodiment, the angular contact ball bearing includes an inner bearing ring 3, bearing balls 4, an outer bearing ring 5, and a ball retainer as described in the first embodiment, a ball slideway is provided between the inner bearing ring 3 and the outer bearing ring 5, each bearing ball 4 can slide in the ball slideway, the ball retainer is disposed in the ball slideway and is used for separating the bearing balls 4 and preventing the bearing balls 4 from falling off, the number of the bearing balls 4 is plural, the number of the bearing balls 4 is the same as that of the frame body 1, and a split type bearing retainer is disposed between the bearing balls 4, so that the bearing retainer does not affect the arrangement of the inner bearing ring 3 and the outer bearing ring 5, that is, the selectable range of the contact point positions of the bearing balls 4 and the inner bearing ring 3 and the outer bearing ring 5 is increased, the contact angle, the anti-overturning moment of the angular contact ball bearing is increased.
Furthermore, the upper portion of the outer side wall of the bearing inner ring 3 is provided with a first retaining shoulder 6, the lower portion of the inner side wall of the bearing outer ring 5 is provided with a second retaining shoulder 7, the lower surface of the first retaining shoulder 6 and the upper surface of the second retaining shoulder 7 are provided with arc-shaped concave surfaces, each arc-shaped concave surface is used for contacting with a bearing ball 4, the first retaining shoulder 6 and the second retaining shoulder 7 can limit the relative position of the bearing inner ring 3 and the bearing outer ring 5, and the first retaining shoulder 6 and the second retaining shoulder 7 can limit the axial movement of the bearing ball 4 along the bearing inner ring 3 or the bearing outer ring 5.
Furthermore, the bearing inner ring 3, the bearing balls 4 and the bearing outer ring 5 are all made of bearing steel materials, so that the bearing is high in hardness and fatigue-resistant, and the service life of the bearing can be prolonged.
Furthermore, the bearing contact angle is 38.6-41.4 degrees, so that the angular contact ball bearing is suitable for the position with larger axial load.
The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (7)
1. A ball cage characterized by: the bearing ball support comprises a plurality of support bodies, wherein ball pockets are arranged on the end faces of two sides of each support body, the surface of each ball pocket is used for being in contact with bearing balls, the linear distance between any two points on any cross section of each support body is smaller than the diameter of each bearing ball, and one support body is arranged between two adjacent bearing balls.
2. The ball cage of claim 1, wherein: the retainer is a light nylon retainer.
3. The ball cage of claim 1, wherein: the ball pocket is a spherical groove, and the spherical radius of the spherical groove is the same as that of the bearing balls.
4. An angular contact ball bearing characterized in that: the ball retainer comprises a bearing inner ring, a plurality of bearing balls, a bearing outer ring and the ball retainer according to any one of claims 1 to 3, wherein a ball slide way is arranged between the bearing inner ring and the bearing outer ring, each bearing ball can slide in the ball slide way, the ball retainer is arranged in the ball slide way and used for separating the bearing balls and preventing the bearing balls from falling off, and the number of the bearing balls is the same as that of the retainer body.
5. The angular contact ball bearing according to claim 4, wherein: the upper portion of the outer side wall of the bearing inner ring is provided with a first retaining shoulder, the lower portion of the inner side wall of the bearing outer ring is provided with a second retaining shoulder, the lower surface of the first retaining shoulder and the upper surface of the second retaining shoulder are provided with arc-shaped concave surfaces, each arc-shaped concave surface is used for being in contact with the bearing ball, the first retaining shoulder and the second retaining shoulder can limit the relative position of the bearing inner ring and the bearing outer ring, and the first retaining shoulder and the second retaining shoulder can limit the bearing ball to follow the bearing inner ring or the axial movement of the bearing outer ring.
6. The angular contact ball bearing according to claim 4, wherein: the bearing inner ring, the bearing balls and the bearing outer ring are all made of bearing steel materials.
7. The angular contact ball bearing according to claim 4, wherein: the bearing contact angle is 38.6-41.4 deg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922166932.4U CN210949556U (en) | 2019-12-06 | 2019-12-06 | Ball retainer and angular contact ball bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922166932.4U CN210949556U (en) | 2019-12-06 | 2019-12-06 | Ball retainer and angular contact ball bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210949556U true CN210949556U (en) | 2020-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922166932.4U Active CN210949556U (en) | 2019-12-06 | 2019-12-06 | Ball retainer and angular contact ball bearing |
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| CN (1) | CN210949556U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112780667A (en) * | 2020-12-28 | 2021-05-11 | 中国航发哈尔滨轴承有限公司 | Angular contact ball bearing with single retainer |
| WO2021109581A1 (en) * | 2019-12-06 | 2021-06-10 | 山东博特轴承有限公司 | Ball retainer and angular contact ball bearing |
-
2019
- 2019-12-06 CN CN201922166932.4U patent/CN210949556U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021109581A1 (en) * | 2019-12-06 | 2021-06-10 | 山东博特轴承有限公司 | Ball retainer and angular contact ball bearing |
| CN112780667A (en) * | 2020-12-28 | 2021-05-11 | 中国航发哈尔滨轴承有限公司 | Angular contact ball bearing with single retainer |
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