CN203979152U - A kind of plastics holder of bearing - Google Patents
A kind of plastics holder of bearing Download PDFInfo
- Publication number
- CN203979152U CN203979152U CN201420405688.7U CN201420405688U CN203979152U CN 203979152 U CN203979152 U CN 203979152U CN 201420405688 U CN201420405688 U CN 201420405688U CN 203979152 U CN203979152 U CN 203979152U
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- CN
- China
- Prior art keywords
- assembly department
- retainer
- bearing
- rolling element
- plastics holder
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of plastics holder of bearing, aim to provide one and reduce in the course of the work retainer and rolling element, inner ring, rubbing contact area between outer ring, increase work efficiency and the plastics holder of bearing in working life, its technological scheme main points are a kind of plastics holder of bearings, comprise retainer body, on retainer body, be provided with maintenance stand, retainer lid, supporting post, keep stand, between retainer lid and mutually adjacent two supporting posts, surround the pocket hole for settling rolling element, keep stand and retainer lid that arc convex portion is all set in the one side in pocket hole, on supporting post, be provided with the first assembly department and the second assembly department, between the first assembly department and the second assembly department, arrange and want groove, by above structural design, in the time that rolling element is arranged on retainer, arc convex portion and groove have effectively reduced both area of contact, thereby reduction friction factor, improve the working efficiency of bearing.
Description
Technical field
The utility model relates to technical field of bearings, and more particularly, it relates to a kind of plastics holder of bearing.
Background technique
Retainer, i.e. retainer, claims again bearing cage, refer to partly wrap up all or part of rolling element, and the bearing parts thereupon moving, in order to separation roller, conventionally also guide rolling element and hold it in bearing, rolling bearing is in the time of work, because sliding friction causes bearing heating and wearing and tearing, under high temperature operation condition, the effect of inertial centrifugal force has aggravated friction, wearing and tearing and heating especially, when serious, can cause retainer burn or fracture, cause bearing cisco unity malfunction; Therefore, require the material of retainer except having some strength, also must thermal conductivity good, friction factor is little, wear resistance good, impact toughness is strong, density is less and linear expansion coefficient and rolling element are close; In addition, pressing cage need stand more complicated Pressing Deformation, also requires material to have good processibility, and what on the high retainer of ask for something, have also can electroplate one deck silver, to improve corresponding mechanical property.
In order to improve the working efficiency of bearing, just must ensure between retainer and rolling element, to there is good mechanical connection effect, must ensure on the one hand the stable soundness connecting, to reduce on the other hand friction factor between the two as far as possible, improve lubricity, thereby realize the object that improves rotational efficienty.
At present, application number on market is that 201120194805.6 Chinese patent discloses a kind of bearing holder, described retainer comprises retainer body and supporting element, the position of the inside and outside cambered surface correspondence of described retainer body between every two pocket holes is equipped with groove, and the equal corresponding supporting element that is placed with the outstanding corresponding cambered surface of retainer body of outer surface that blocks in each groove.
Although the utility model retainer can significantly reduce the area of contact between the inside and outside cambered surface of retainer and the corresponding inside and outside circle of bearing, thereby effectively reduce the frictional force of bearing in operation process, corresponding working life of improving bearing, but this retainer does not accomplish to reduce the area of contact between rolling element and retainer, between rolling element and retainer, still there is larger surface friction drag, increase both difficulty in relative rotation, reduced working efficiency and the working life of bearing.
Model utility content
The deficiency existing for prior art, it is a kind of by improving the rubbing contact area between retainer structure decrease retainer and rolling element, retainer and bearing inner race, retainer and bearing outer ring, to improve the working efficiency of bearing and the plastics holder of bearing in working life that the purpose of this utility model is to provide.
For achieving the above object, the utility model provides following technological scheme: a kind of plastics holder of bearing, comprise retainer body, on described retainer body, be provided with maintenance stand, retainer lid, supporting post, described maintenance stand, between retainer lid and mutually adjacent two supporting posts, be surrounded by the pocket hole for placing rolling element, in described pocket hole, be provided with the assembly department with described rolling element adaptation, wherein, on the inner peripheral surface of described maintenance stand and described retainer lid and outer peripheral surface, be provided with the first lug boss, described maintenance stand and retainer lid all arrange the second lug boss in the one side in pocket hole, described assembly department is arranged at supporting post on the bi-side in pocket hole, on described assembly department, be also provided with groove.
Compared with prior art, the utility model has the advantage of: by adopting polyamide nylon injection molding moulding retainer body, because polyamide nylon density is low, good springiness, there is the damping capacity of good rolling, can molding and forming obtain any required form, machining accuracy is high, in the time that running up, bearing can guide better rolling element motion, beat little, bearing temperature rise is low, be applicable to high-speed bearing, Nylon retainer does not also exist iron retainer pocket bore edges to be prone to the problem of acute angle, and then be conducive to the reasonable layout of lubricating grease in bearing bore, significantly improve bearing life, and to keep stand and supporting post be integrated injection molding, the independent molding and forming of retainer lid is also connected to the upper end of supporting post, to facilitate rolling element to pack into smoothly in retainer body, the assembly department being provided with in Bing Dou hole, pocket hole with rolling element adaptation is set, ensure stable being fixed on retainer of rolling element, and can freely turn round swimmingly, by the first lug boss is set on retainer body, the second lug boss and groove, can pack retainer body at rolling element, be loaded on inner ring, outer ring, be assembled into after complete bearing, effectively reduce retainer and rolling element, retainer and bearing inner race, rubbing contact area between outer ring, reduce coefficient of frictional resistance, improve working efficiency and the working life of bearing.
The utility model is further set to: described multiple the first lug bosses are set to spheric structure and are distributed on ringwise on the inner peripheral surface and outer peripheral surface that keeps stand.
Compared with prior art, the utility model has the advantage of: be set to spheric structure by the first lug boss and be distributed on ringwise on the inner peripheral surface and outer peripheral surface that keeps stand, be connected with inner ring, outer ring by uniform ringwise spheric structure, can reduce the contact frictional resistance coefficient of maintenance stand and inner ring, outer ring, can ensure again the stability of assembling between each accessory, realize the functional stabilization of bearing.
The utility model is further set to: described multiple the first lug bosses are set to spheric structure and are distributed on ringwise on the inner peripheral surface and outer peripheral surface of retainer lid.
Compared with prior art, the utility model has the advantage of: be set to spheric structure by the first lug boss and be distributed on ringwise on the inner peripheral surface and outer peripheral surface that keeps stand, be connected with inner ring, outer ring by uniform ringwise spheric structure, can reduce the contact frictional resistance coefficient of retainer frame and inner ring, outer ring, can ensure again the stability of assembling between each accessory, realize the functional stabilization of bearing.
The utility model is further set to: described the second lug boss is set to arc-shaped structure and is vertical setting mutually with described assembly department.
Compared with prior art, the utility model has the advantage of: be set to arc-shaped structure by the second lug boss, arc-shaped structure is connected with rolling element contact, can reduce the rubbing contact area being provided with between the second lug boss maintenance stand and retainer lid and rolling element, improve bearing rotary efficiency of movement.
The utility model is further set to: described assembly department comprises the first assembly department and the second assembly department, described the first assembly department is arranged at the link position place of described supporting post and described maintenance stand, and described the second assembly department is arranged at the link position place of described supporting post and described retainer lid.
Compared with prior art, the utility model has the advantage of: be set to the first assembly department and the second assembly department by mounting portion is offered, the outer surface profile adaptation of the inner surface profile of the first assembly department and the second assembly department and rolling element, the first assembly department and the second assembly department can be distinguished the top and bottom of clamp column rolling element, both accomplished the stable rolling element of fixing, ensure stable connection validity, rolling element can freely rotate in assembly department, accomplish again to reduce the rubbing contact area between supporting post and rolling element, improved bearing rotary efficiency of movement.
The utility model is further set to: described groove is arranged between described the first assembly department and described the second assembly department and with described the first assembly department and described the second assembly department and is and is arranged in parallel.
Compared with prior art, the utility model has the advantage of: by arranging and be with the first assembly department and the second assembly department the groove being arranged in parallel between the first assembly department and the second assembly department, both facilitated the installation of rolling element to fix, further accomplish again to reduce the rubbing contact area between supporting post and rolling element, improved bearing rotary efficiency of movement.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model plastics holder of bearing;
Fig. 2 is the front view of the utility model plastics holder of bearing;
Fig. 3 is the sectional view of A-A direction in Fig. 2;
Fig. 4 is the sectional view of B-B direction in Fig. 2.
Reference character: 1, keep stand; 2, retainer lid; 3, supporting post; 4, pocket hole; 5, the first lug boss; 6, the second lug boss; 7, groove; 8, the first assembly department; The second assembly department.
Embodiment
Referring to figs. 1 through Fig. 4, the embodiment of a kind of plastics holder of bearing of the utility model is described further.
A kind of plastics holder of bearing, comprise retainer body, retainer body adopts the moulding of polyamide nylon injection molding, because polyamide nylon density is low, good springiness, there is the damping capacity of good rolling, can molding and forming obtain any required form, it is high that Nylon retainer also has machining accuracy, in the time that running up, bearing can guide better rolling element motion, beat little, and bearing temperature rise is low, especially be applicable to high-speed bearing, Nylon retainer does not also exist iron retainer pocket bore edges to be prone to the problem of acute angle, and then be conducive to the reasonable layout of lubricating grease in bearing bore, significantly improve bearing life.
On retainer body, be provided with and keep stand 1, retainer lid 2, supporting post 3, wherein, keeping stand 1 and supporting post 3 is integrated injection moldings, the independent molding and forming of retainer lid 2 is also connected to the upper end of supporting post 3, to facilitate rolling element to pack into smoothly in retainer body, keep stand 1, between retainer lid 2 and mutually adjacent two supporting posts 3, be surrounded by the pocket hole 4 for placing rolling element, in pocket hole 4, be provided with the assembly department with rolling element adaptation, assembly department comprises the first assembly department 8 and the second assembly department 9, on the inner peripheral surface of maintenance stand 1 and retainer lid 2 and outer peripheral surface, be provided with the first lug boss 5, keep stand 1 and retainer lid 2 that the second lug boss 6 is all set in the one side in pocket 4 holes, assembly department is arranged at supporting post on the bi-side in pocket hole, on assembly department, be also provided with groove 7, by the first assembly department 8 is set on retainer body, the second assembly department 9, the first lug boss 5, the second lug boss 6 and groove 7 these structures, can pack retainer body at rolling element, be loaded on inner ring, outer ring, be assembled into after complete bearing, effectively reduce retainer and rolling element, retainer and bearing inner race, rubbing contact area between outer ring, reduce coefficient of frictional resistance, improve working efficiency and the working life of bearing.
The utility model is further provided with, and the number of the first lug boss 5 is preferably set to the number adaptation with supporting post 3, and the first lug boss 5 is set to spheric structure and is distributed on ringwise on the inner peripheral surface and outer peripheral surface that keeps stand 1 and retainer lid 2, be positioned at and keep stand 1, the position that retainer lid 2 is connected with supporting post 3, the second lug boss 6 is set to arc-shaped structure, be positioned at the second lug boss 6 keeping on stand 1 and be vertical setting mutually with the first assembly department 8, the second lug boss 6 being positioned on retainer lid 2 is vertical setting mutually with the second assembly department 9, the first assembly department 8 is arranged at supporting post 3 and the link position place that keeps stand 1, the second assembly department 9 is arranged at the link position place of supporting post 3 and retainer lid 2, between the first assembly department 8 and the second assembly department 9, be provided with groove 7, and groove 7 is and is arranged in parallel with the first assembly department 8 and the second assembly department 9, the first lug boss 5 is set to spheric structure, and be preferably set to the number adaptation with supporting post 3, be distributed on ringwise on the inner peripheral surface and outer peripheral surface that keeps stand 1 and retainer lid 2, be positioned at and keep stand 1, the position that retainer lid 2 is connected with supporting post 3, can reduce contact frictional resistance coefficient, can ensure again the stability of assembling between each accessory, realize the functional stabilization of bearing, the second lug boss 6 is set to arc-shaped structure, can reduce the rubbing contact area between the second lug boss 6 and rolling element, improve bearing rotary efficiency of movement, the first assembly department 8 and the second assembly department 9 are set on supporting post 3, between the first assembly department 8 and the second assembly department 9, be provided with groove 7, can either ensure that rolling element is stable is fixedly mounted in pocket hole, can effectively reduce again the rubbing contact area between supporting post 3 and rolling element, improve bearing rotary efficiency of movement and working life.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is also not only confined to above-described embodiment, and all technological schemes belonging under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, in the some improvements and modifications that do not depart under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1. a plastics holder of bearing, comprise retainer body, on described retainer body, be provided with maintenance stand, retainer lid, supporting post, described maintenance stand, between retainer lid and mutually adjacent two supporting posts, be surrounded by the pocket hole for placing rolling element, in described pocket hole, be provided with the assembly department with described rolling element adaptation, it is characterized in that: on the inner peripheral surface of described maintenance stand and described retainer lid and outer peripheral surface, be provided with the first lug boss, described maintenance stand and retainer lid all arrange the second lug boss in the one side in pocket hole, described assembly department is arranged at supporting post on the bi-side in pocket hole, on described assembly department, be also provided with groove.
2. plastics holder of bearing according to claim 1, is characterized in that: described multiple the first lug bosses are set to spheric structure and are distributed on ringwise on the inner peripheral surface and outer peripheral surface that keeps stand.
3. plastics holder of bearing according to claim 1 and 2, is characterized in that: described multiple the first lug bosses are set to spheric structure and are distributed on ringwise on the inner peripheral surface and outer peripheral surface of retainer lid.
4. plastics holder of bearing according to claim 3, is characterized in that: described the second lug boss is set to arc-shaped structure and is vertical setting mutually with described assembly department.
5. plastics holder of bearing according to claim 4, it is characterized in that: described assembly department comprises the first assembly department and the second assembly department, described the first assembly department is arranged at the link position place of described supporting post and described maintenance stand, and described the second assembly department is arranged at the link position place of described supporting post and described retainer lid.
6. plastics holder of bearing according to claim 5, is characterized in that: described groove is arranged between described the first assembly department and described the second assembly department and with described the first assembly department and described the second assembly department and is and is arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420405688.7U CN203979152U (en) | 2014-07-22 | 2014-07-22 | A kind of plastics holder of bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420405688.7U CN203979152U (en) | 2014-07-22 | 2014-07-22 | A kind of plastics holder of bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203979152U true CN203979152U (en) | 2014-12-03 |
Family
ID=51976602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420405688.7U Expired - Fee Related CN203979152U (en) | 2014-07-22 | 2014-07-22 | A kind of plastics holder of bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203979152U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104806637A (en) * | 2015-05-12 | 2015-07-29 | 常州克劳诺斯特种轴承制造有限公司 | Noise-reducing bearing |
| CN109555783A (en) * | 2018-11-16 | 2019-04-02 | 洛阳汇工轴承科技有限公司 | Novel combined type bearing retainer |
| CN110145546A (en) * | 2019-05-30 | 2019-08-20 | 芜湖市高德保持架有限公司 | A kind of long-acting retainer of high speed |
| CN113404685A (en) * | 2021-07-19 | 2021-09-17 | 吕远 | Wear-resisting efficient short plunger rod pump |
| CN113931932A (en) * | 2021-10-29 | 2022-01-14 | 上海柴孚机器人有限公司 | Retainer in robot bearing and optimization method |
-
2014
- 2014-07-22 CN CN201420405688.7U patent/CN203979152U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104806637A (en) * | 2015-05-12 | 2015-07-29 | 常州克劳诺斯特种轴承制造有限公司 | Noise-reducing bearing |
| CN109555783A (en) * | 2018-11-16 | 2019-04-02 | 洛阳汇工轴承科技有限公司 | Novel combined type bearing retainer |
| CN110145546A (en) * | 2019-05-30 | 2019-08-20 | 芜湖市高德保持架有限公司 | A kind of long-acting retainer of high speed |
| CN113404685A (en) * | 2021-07-19 | 2021-09-17 | 吕远 | Wear-resisting efficient short plunger rod pump |
| CN113931932A (en) * | 2021-10-29 | 2022-01-14 | 上海柴孚机器人有限公司 | Retainer in robot bearing and optimization method |
| CN113931932B (en) * | 2021-10-29 | 2024-01-16 | 上海柴孚机器人有限公司 | Cage in robot bearing and optimization method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141203 Termination date: 20170722 |