CN205089819U - Needle bearing retainer - Google Patents
Needle bearing retainer Download PDFInfo
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- CN205089819U CN205089819U CN201520882288.XU CN201520882288U CN205089819U CN 205089819 U CN205089819 U CN 205089819U CN 201520882288 U CN201520882288 U CN 201520882288U CN 205089819 U CN205089819 U CN 205089819U
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- annular frame
- needle bearing
- turns
- needle
- rib
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Abstract
The utility model relates to a bearing technology field, the definite needle bearing retainer that says so. The technical scheme who adopts does: a needle bearing retainer is including annular support body, annular support body along a plurality of kingpin pocket holes of periphery equipartition, and between each kingpin pocket hole has pocket hole roof beam, the toroidal frame axon be equipped with the flange that turns up to both ends, the external diameter side of the annular support body of the flange that turns up orientation is extended. Compared with the prior art, the utility model, the adoption flange that turns up is realized needle roller guide to can realize that the external diameter suitably reduces, therefore outer hold depth can adjust suitably and increase, have the purl and realize more easily, simple process's advantage.
Description
Technical field
The utility model relates to technical field of bearings, is specifically needle bearing, more precisely needle bearing cage.
Background technique
Needle bearing (needlebearing) is band
cylinderroller
roller bearing, its diameter relatively, roller is thin but also length not only, this
rollerbe called needle roller.Although have less cross section, bearing still has higher load-taking capacity, needle bearing is equipped with thin and long roller (roller diameter D≤5mm, L/D >=2.5, L is roller length), therefore radial structure is compact, when its internal diameter size is identical with other types of bearings with load-carrying ability, external diameter is minimum, is specially adapted to the restricted supporting structure of radial installation dimension.
Needle bearing cage is the parts for guiding needle roller.As shown in Figure 1, existing needle bearing cage main structure comprises annular frame 1, and annular frame 1 is provided with inner retaining side 11; The needle bearing cage of this kind of structure, to ensure retainer intensity, dependence external diameter guides, and outer hold depth reduces with the increase of external diameter, when when needle roller diameter is comparatively large, needle roller length is less, needle roller pocket hole outer radius purl position dimension difficulty controls, when assembly needs retainer to guide to reduce radial-play, due to the restriction of retainer and roller axial dimension, cause purl amount little, needle roller easily drops out, and purl amount is difficult to ensure card in technique.
Summary of the invention
The present utility model object: for overcoming the defect that prior art exists, the utility model provides a kind of rib to turn up for guiding, external diameter can be realized suitably reduce, thus outer hold depth suitably can regulate the needle bearing cage carrying out increasing, there is purl more easily realize, the simple advantage of technique.
For achieving the above object, the utility model provides following technological scheme: a kind of needle bearing cage, include annular frame, annular frame is uniform some needle roller pocket holes, face circumferentially, between each needle roller pocket hole, there is pocket hole beam, it is characterized in that: the axial two ends of described annular frame are provided with the rib that turns up, the rib that turns up extends towards the outside diameter of annular frame.
By adopting technique scheme, employing turn up rib design, same guarantee needle bearing cage intensity, and the rib that turns up can be relied on to guide needle roller, changing traditional needle bearing cage relies on merely the external diameter of annular frame to guide needle roller, therefore the external diameter of annular frame can reduce, and outer hold depth increases along with the reduction of external diameter; For needle roller diameter is comparatively large, needle roller length is less, realizes needle roller better to guide and external lock; And the needle bearing holder structure of this structure is simple, easy to process.
The utility model is set to further: described in the turn up height of rib be 0.2 ~ 0.4mm.Retainer utilizes the rib that turns up to guide, and reduces the play of retainer; And pocket boring ratio varus rib retainer has larger outer hold depth.
The utility model is set to further: described pocket hole beam include be positioned at neutral position, towards the folding part of annular frame internal side diameter projection, folding part comprises both sides hypotenuse and jack shaft to limit, both sides hypotenuse divides and is located at jack shaft to both sides, limit, and both sides hypotenuse is connected with the end ring of annular frame through axially extended axial end limit.
By adopting technique scheme, realize the good maintenance of needle roller and guiding.
Below in conjunction with accompanying drawing, the utility model is further described.
Accompanying drawing explanation
Fig. 1 is prior art needle bearing holder structure schematic diagram;
Fig. 2 is the utility model specific embodiment needle bearing holder structure schematic diagram.
Embodiment
See accompanying drawing 2, a kind of needle bearing cage disclosed in the utility model, include annular frame 1, annular frame 1 is uniform some needle roller pocket holes 10, face circumferentially, between each needle roller pocket hole 10, there is pocket hole beam 12, wherein pocket hole beam 12 include be positioned at neutral position, towards the folding part of annular frame internal side diameter projection, folding part comprises both sides hypotenuse 121,123 and jack shaft to limit 122,121,123 points, both sides hypotenuse is located at jack shaft to both sides, limit 122, and both sides hypotenuse 121,123 is connected with the end ring of annular frame 1 through axially extended axial end limit 124,125.Be provided with at the described axial two ends of annular frame 1 rib 13 that turns up, the rib 13 that turns up extends towards the outside diameter of annular frame 1.
In this specific embodiment, described in the turn up height H of rib 13 be 0.2 ~ 0.4mm.Retainer utilizes rib to guide, and reduces the play of retainer, and pocket boring ratio varus rib retainer has larger outer hold depth.
Employing turn up rib design, compared with traditional inner retaining side, same guarantee needle bearing cage intensity, and the rib that turns up can be relied on to guide needle roller, changing traditional needle bearing cage relies on the external diameter of annular frame to guide needle roller, therefore the external diameter of annular frame can reduce, and outer hold depth increases along with the reduction of external diameter; For needle roller diameter is comparatively large, needle roller length is less, realizes needle roller better to guide and external lock; And the needle bearing holder structure of this structure is simple, easy to process, technique comparatively easily realizes.
Claims (3)
1. a needle bearing cage, include annular frame, annular frame is uniform some needle roller pocket holes, face circumferentially, have pocket hole beam between each needle roller pocket hole, it is characterized in that: the axial two ends of described annular frame are provided with the rib that turns up, the rib that turns up extends towards the outside diameter of annular frame.
2. needle bearing cage according to claim 1, is characterized in that: described in the turn up height of rib be 0.2 ~ 0.4mm.
3. needle bearing cage according to claim 1 or 2, it is characterized in that: described pocket hole beam include be positioned at neutral position, towards the folding part of annular frame internal side diameter projection, folding part comprises both sides hypotenuse and jack shaft to limit, both sides hypotenuse divides and is located at jack shaft to both sides, limit, and both sides hypotenuse is connected with the end ring of annular frame through axially extended axial end limit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520882288.XU CN205089819U (en) | 2015-11-06 | 2015-11-06 | Needle bearing retainer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520882288.XU CN205089819U (en) | 2015-11-06 | 2015-11-06 | Needle bearing retainer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205089819U true CN205089819U (en) | 2016-03-16 |
Family
ID=55480507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520882288.XU Active CN205089819U (en) | 2015-11-06 | 2015-11-06 | Needle bearing retainer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205089819U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109296646A (en) * | 2018-12-06 | 2019-02-01 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Cylinder roller bearing with M type retainer structure |
-
2015
- 2015-11-06 CN CN201520882288.XU patent/CN205089819U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109296646A (en) * | 2018-12-06 | 2019-02-01 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Cylinder roller bearing with M type retainer structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |