CN202108876U - Cage of straight wall pocket holes - Google Patents
Cage of straight wall pocket holes Download PDFInfo
- Publication number
- CN202108876U CN202108876U CN2011201948130U CN201120194813U CN202108876U CN 202108876 U CN202108876 U CN 202108876U CN 2011201948130 U CN2011201948130 U CN 2011201948130U CN 201120194813 U CN201120194813 U CN 201120194813U CN 202108876 U CN202108876 U CN 202108876U
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- CN
- China
- Prior art keywords
- retainer
- plane
- groove
- supporting element
- bearing
- Prior art date
- 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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- Rolling Contact Bearings (AREA)
Abstract
A cage of straight wall pocket holes relates to the field of bearing cages. The cage contains a cage body and supporting pieces. Grooves are arranged on an upper plane and a lower plane of the cage body corresponding to the positions between each two pocket holes. Each supporting piece with the outer surface protruding out a corresponding plane of the cage body is placed in each groove in a blocking mode. The distance between the outer surface of the supporting piece on the upper plane of the cage body and the outer surface of the supporting piece on the lower plane of the cage body is not larger than the diameter of rollers in the pocket holes of the cage body. The cage can greatly reduce contact area between the upper plane or the lower plane of the cage and a corresponding rolling way plane of an inner ring or a rolling way plane of an outer ring of a bearing, thereby effectively reducing friction of the bearing in an operation process and correspondingly improving service life of the bearing.
Description
[technical field]
The utility model relates to the retainer field, especially relates to a kind of retainer that has straight wall pocket hole and can in the bearing operation process, reduce friction between retainer and the bearing enclose roller surface.
[background technique]
At present; Mostly roller pocket hole in the existing bearing retainer is straight wall type; With reference to accompanying drawing 1; Because the pocket hole of straight wall type can't make the roller in the pocket hole accurately locate in bearing operation, thereby it can not guarantee the retainer center position between the roller surface of bearing enclose all the time when bearing operation, the retainer that promptly has straight wall type pocket hole can not effectively avoid the last plane of retainer or lower plane to contact applying with bearing inner race roller surface or the outer ring raceway face corresponding with it; In this case, because retainer self is heavier, and the last plane of retainer or lower plane are again comprehensive engagements with corresponding bearing inner race roller surface or outer ring raceway face; Be unfavorable for very much lubricating; Therefore increase frictional force greatly, caused the violent friction between retainer and the bearing enclose, not only damaged retainer easily; The running resistance of bearing and noise are all increased, and finally reduced the whole service life of bearing.
[summary of the invention]
In order to overcome the deficiency in the background technique; The utility model discloses a kind of straight wall pocket hole retainer; Last plane or the lower plane that described retainer can significantly reduce retainer and corresponding bearing inner race roller surface or the area of contact between the outer ring raceway face; Thereby effectively reduced the friction of bearing in operation process, corresponding working life of improving bearing.
To achieve these goals, the utility model adopts following technological scheme:
A kind of straight wall pocket hole retainer, described retainer comprises retainer body and supporting element; The position of correspondence between per two pocket holes, the upper and lower plane of described retainer body is equipped with groove, and all corresponding card is placed with the supporting element that outer surface is given prominence to retainer body respective planes in each groove; Distance on the described retainer body between the supporting element outer surface of supporting element outer surface to the retainer body lower plane on plane is not more than the diameter of roller in the retainer body pocket hole.
Described straight wall pocket hole retainer, the groove of plane or lower plane is at interval and is provided with on the described retainer body.
Described straight wall pocket hole retainer, described groove is circular trough, dovetail groove or dovetail groove.
Described straight wall pocket hole retainer, described groove one end is made as and the concordant sealed end of retainer body respective planes.
Described straight wall pocket hole retainer, described supporting element cross section is circular, trapezoidal or swallow-tail form.
Described straight wall pocket hole retainer, described supporting element and retainer body are made as integrative-structure.
Owing to adopt aforesaid technological scheme, the utlity model has following beneficial effect:
Described straight wall pocket hole retainer comes and the inside and outside circle roller surface contact of corresponding bearing through the supporting element outer surface on the outstanding upper and lower plane of retainer body; Therefore reduce the area of contact between the upper and lower plane of retainer and the inside and outside circle roller surface of corresponding bearing significantly, thereby in the bearing operation process, effectively reduced the friction between retainer and the inside and outside circle roller surface; In addition; The bearing that is assembled through described retainer; Since can also storing lubricating oil fat in per two spaces between the conplane supporting element of retainer body, the effect of continuous lubrication has been played in the running of bearing, thereby made the running of bearing more steady; Vibrating noise is lower, and then corresponding working life of improving bearing.
[description of drawings]
Fig. 1 is the schematic representation of present retainer;
Fig. 2 is the schematic representation of the utility model;
Fig. 3 is another structural representation of the utility model.
Among the figure: 1, retainer body; 2, pocket hole; 3, groove; 4, supporting element.
[embodiment]
Can explain the utility model in more detail through following embodiment, the purpose of open the utility model is intended to protect all variations and the improvement in the utility model scope, and the utility model is not limited to following embodiment;
In conjunction with accompanying drawing 2～3 described a kind of straight wall pocket hole retainers, described retainer comprises retainer body 1 and supporting element 4; The position of the upper and lower plane correspondence of described retainer body 1 between per two pocket holes 2 is equipped with groove 3; And all corresponding card is placed with the supporting element 4 of outstanding retainer body 1 respective planes of outer surface in each groove 3; Be that described retainer body 1 can come through the outer surface of supporting element 4 outstanding retainer body 1 respective planes and the inside and outside circle roller surface contact of corresponding bearing; Since described retainer by present on the whole, lower plane and the roller surface of the corresponding inside and outside circle of bearing contact the part that become the upper and lower plane of retainer and contact with the roller surface of the corresponding inside and outside circle of bearing; Thereby, reached the purpose that in the bearing operation process, effectively reduces friction between retainer and the inside and outside circle through reducing the area of contact between retainer and the inside and outside circle of corresponding bearing significantly; For avoiding supporting element 4 to cause the undesired rolling of roller; Have influence on the running of bearing; Distance on the described retainer body 1 between supporting element 4 outer surfaces of supporting element 4 outer surfaces to retainer body 1 lower plane on plane is not more than the diameter of roller in the retainer body 1 pocket hole 2, thereby the roller in the described retainer pocket hole can be rolled between the inside and outside circle raceway of bearing normally;
For further reducing the area of contact between retainer and the inside and outside circle of bearing; Can the groove 3 of plane or lower plane on the retainer body 1 be made as setting at interval, promptly the position between per two grooves 3 of plane or lower plane on the retainer body 1 is all to there being two pocket holes 2; Lay in groove 3 for being more convenient for and to snap in corresponding supporting element 4; Can arbitrary end of groove 3 be made as and the concordant sealed end of 1 corresponding face of retainer body; Snap in thereby when assembling, only need supporting element 4 be laid by the opening of groove 3 the other ends; And then the opening end of groove 3 carried out handled; Make supporting element 4 can supporting element 4 is assembled on the retainer body 1 by coming off in the groove 3, groove 3 one ends that are preferably 1 same face of corresponding retainer body be made as sealed end; For strengthening the fastening clamping effect between groove 3 and the supporting element 4, be preferably groove 3 is made as circular trough, dovetail groove or dovetail groove; Equally, for ease of with groove 3 clampings, described supporting element 4 cross sections can be made as circle, trapezoidal or swallow-tail form; For further simplifying the working process of said retainer, can supporting element 4 and retainer body 1 be made as integrative-structure.
Implement the described straight wall pocket of the utility model hole retainer; For effectively improving the working life of bearing; Described supporting element 4 is preferably by the material that is higher than retainer body 1 material wear resistance and processes, and when assembling, only needs to go in the corresponding groove 3 in supporting element 4 identical clampings; Again the port weldering of groove 3 being put down or supporting element 4 is welded with groove 3 is one; Thereby supporting element 4 is fastened in the groove 3, and promptly reaching supporting element 4 can be by the purpose that comes off out in the groove 3, and then described retainer and the corresponding inside and outside circle of bearing are assembled into complete bearing; When adopting supporting element 4 and retainer body 1 to be made as the structure of one, only need directly the inside and outside circle assembling of described retainer and corresponding bearing to be got final product.
Carefully not stating in the above content is existing technology partly, does not state so run business into particular one.
Claims (6)
1. straight wall pocket hole retainer, it is characterized in that: described retainer comprises retainer body (1) and supporting element (4); The position that the upper and lower plane correspondence of described retainer body (1) is positioned between per two pocket holes (2) is equipped with groove (3), and all corresponding card is placed with the supporting element (4) that outer surface is given prominence to retainer body (1) respective planes in each groove (3); Distance between supporting element (4) outer surface of supporting element (4) outer surface to retainer body (1) lower plane on the last plane of described retainer body (1) is not more than the diameter of the interior roller in retainer body (1) pocket hole (2).
2. straight wall pocket according to claim 1 hole retainer is characterized in that: the groove (3) that described retainer body (1) is gone up on plane or the lower plane is setting at interval.
3. straight wall type pocket according to claim 1 hole retainer, it is characterized in that: described groove (3) is circular trough, dovetail groove or dovetail groove.
4. according to claim 1,2 or 3 arbitrary described straight wall pocket hole retainers, it is characterized in that: described groove (3) one ends are made as and the concordant sealed end of retainer body (1) respective planes.
5. straight wall pocket according to claim 1 hole retainer is characterized in that: described supporting element (4) cross section is circular, trapezoidal or swallow-tail form.
6. straight wall pocket according to claim 1 hole retainer is characterized in that: described supporting element (4) is made as integrative-structure with retainer body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201948130U CN202108876U (en) | 2011-06-10 | 2011-06-10 | Cage of straight wall pocket holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201948130U CN202108876U (en) | 2011-06-10 | 2011-06-10 | Cage of straight wall pocket holes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202108876U true CN202108876U (en) | 2012-01-11 |
Family
ID=45434313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201948130U Expired - Fee Related CN202108876U (en) | 2011-06-10 | 2011-06-10 | Cage of straight wall pocket holes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202108876U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485173A (en) * | 2014-09-15 | 2016-04-13 | 舍弗勒技术股份两合公司 | Bearing retainer and bearing containing same |
| CN114483793A (en) * | 2022-01-28 | 2022-05-13 | 中国铁建重工集团股份有限公司 | Bearing holding device |
-
2011
- 2011-06-10 CN CN2011201948130U patent/CN202108876U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485173A (en) * | 2014-09-15 | 2016-04-13 | 舍弗勒技术股份两合公司 | Bearing retainer and bearing containing same |
| CN105485173B (en) * | 2014-09-15 | 2019-10-25 | 舍弗勒技术股份两合公司 | Bearing retainer and bearing including it |
| CN114483793A (en) * | 2022-01-28 | 2022-05-13 | 中国铁建重工集团股份有限公司 | Bearing holding device |
| CN114483793B (en) * | 2022-01-28 | 2024-04-23 | 中国铁建重工集团股份有限公司 | Bearing holding device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120111 Termination date: 20120610 |