CN102086906A - Bearing and retainer thereof - Google Patents
Bearing and retainer thereof Download PDFInfo
- Publication number
- CN102086906A CN102086906A CN 201110043240 CN201110043240A CN102086906A CN 102086906 A CN102086906 A CN 102086906A CN 201110043240 CN201110043240 CN 201110043240 CN 201110043240 A CN201110043240 A CN 201110043240A CN 102086906 A CN102086906 A CN 102086906A
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- retainer
- bearing
- support body
- layer
- wearing layer
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Abstract
The invention provides a bearing retainer which comprises a retainer body and a retaining hole which is arranged on the retainer body, and the surface of the retainer body has an abrasion-resisting layer. According to the preferable scheme provided by the invention, the abrasion-resisting layer can be a titanizing layer, thus the bear retainer provided by the invention can be used for effectively avoid the problem that the bearing retainer is easy to abrade in the prior art. The invention also provides a bearing comprising the bearing retainer.
Description
Technical field
The present invention relates to the mechanical parts field, relate to a kind of retainer more specifically.The invention still further relates to a kind of bearing that comprises above-mentioned retainer.
Background technique
Along with China by of the transformation of traditional agriculture society to modern industrialization society, the mechanical parts field is comparatively ripe in every profession and trade, simultaneously, driven the bearing application technology constantly bringing forth new ideas and progressive.
Bearing is as the fixed member in the machinery, and it is mainly used in the relative position of determining running shaft and other part, supports or leading role to play.Bearing generally is made up of inner ring, outer ring, rolling element and retainer.
Retainer is as the critical component in the bearing, and it has makes rolling element keep certain interval at circumferencial direction, prevents the effect that rolling element comes off and guides rolling element to rotate.Retainer is arranged between bearing inner race and the outer ring, and it mainly comprises support body and the retaining hole that is arranged at support body and is used for ccontaining rolling element.
Prior art middle (center) bearing application is very extensive, such as, in fields such as machine tool, wind-powered electricity generation equipments, bearing plays crucial effects.Yet in some heavy mechanical equipment, the outside dimension of required bearing is bigger, and correspondingly, the diameter of retainer is also bigger.In addition, owing to the retaining hole that is arranged at retainer is more, cause the retainer integral rigidity to reduce.Especially, when bearing revolution shaft axis paralleled with horizontal plane, the pressure straight down that bearing radially carries was bigger, therefore, easily causes retainer to be deformed into oval structure.And then, cause retainer and bearing outer ring to produce contacting and produce sliding friction.
For above-mentioned reasons, the easy and bearing outer ring generation sliding friction of retainer, retainer is easy to wear, and then the bulk life time of bearing is had a negative impact.
Therefore, how to evade prior art middle (center) bearing retainer problem easy to wear, become present technique field personnel important technological problems to be solved.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of retainer, it can effectively evade prior art middle (center) bearing retainer problem easy to wear.The present invention also provides a kind of bearing that comprises above-mentioned retainer.
Retainer provided by the invention comprises support body and is arranged at the retaining hole of described support body, and the surface of described support body has wearing layer.
Preferably, described wearing layer is the titanizing layer.
Preferably, described wearing layer is a copper layer.
Preferably, described wearing layer is a polytetrafluorethylecoatings coatings.
Preferably, described support body segmentation is provided with polytetrafluorethylecoatings coatings, and every section described polytetrafluorethylecoatings coatings is arranged at respectively between per two adjacent described retaining holes.
The present invention also provides a kind of bearing, comprises above-mentioned each described retainer.
Retainer provided by the invention comprises support body and is arranged at the retaining hole of described support body.Need to prove that the retaining hole of bearing is used for ccontaining rolling element, so the quantity of retaining hole is more, therefore, the integral rigidity of retainer is relatively poor.In addition, when bearing bore bigger radial effect power, because the rigidity of retainer is relatively poor, deformation easily took place and contacts with the outer ring of bearing in it, and then causes the retainer wear problems.Given this, retainer provided by the present invention surface has wearing layer.It is pointed out that above-mentioned " wearing layer " means the material layer that can strengthen the retainer wear-resisting property, such as, can be titanizing layer, polytetrafluorethylecoatings coatings etc.So be provided with, when retainer and bearing outer ring produce sliding friction,, can effectively reduce the rate of wear of retainer because the retainer surface has wearing layer, and then, be of value to the working life that prolongs bearing.
In the preferred version of the present invention, described polytetrafluorethylecoatings coatings can be segmented, and every section described teflon is arranged at respectively between per two adjacent described retaining holes.Need to prove that because the part of the support body between two retaining holes of retainer is not subjected to the supporting effect of rolling element, this part more easily deformation takes place and comes in contact with bearing outer ring, produces sliding friction.Therefore, in the preferred version of the present invention, the support body between two retaining holes of retainer partly has polytetrafluorethylecoatings coatings.So be provided with, retainer is partially coated with teflon, obviously can effectively reduce the abrasionproof cost of retainer.
The present invention also provides a kind of bearing that comprises above-mentioned retainer.Because retainer provided by the invention can effectively be evaded prior art middle (center) bearing retainer problem easy to wear, so bearing provided by the invention in use, can effectively evade its retainer problem easy to wear equally, and then, its working life effectively prolonged.
Description of drawings
Fig. 1 is the structural representation of retainer described in the embodiment.
Embodiment
Core of the present invention provides a kind of retainer, and it can effectively evade prior art middle (center) bearing retainer problem easy to wear.The present invention also provides a kind of bearing that comprises above-mentioned retainer.
In order to make present technique field personnel better understand technical solution of the present invention, below content will be elaborated to technical solution of the present invention with embodiment in conjunction with the accompanying drawings.
Please refer to Fig. 1, Fig. 1 is the structural representation of retainer described in the embodiment.
Retainer provided in the present embodiment comprises support body 11 and is arranged at the retaining hole 12 of support body 11.Should be appreciated that retaining hole 12 from thickness direction through support body 11, its inside is equipped with the rolling element (not shown), thereby retainer has the leading role to the rolling element (not shown).
The quantity that it is pointed out that retaining hole 12 is consistent with the quantity of bearing roller (not shown), so the quantity of retaining hole 12 is more, therefore, the integral rigidity of retainer is relatively poor.In addition, when bearing bore bigger radial effect power, because the rigidity of retainer is relatively poor, deformation easily took place and contacts with the outer ring (not shown) of bearing in it, and then causes the retainer wear problems.
Given this, the retainer surface that is provided in this embodiment has wearing layer.It is pointed out that above-mentioned " wearing layer " means the material layer that can strengthen the retainer wear-resisting property, this wearing layer not only has stronger wear-resisting property, also need have lubrication effect preferably.
So be provided with, when retainer and bearing outer ring produced slide relative, because retainer provided in the present embodiment has wearing layer, it can effectively reduce the rate of wear of retainer, and then, be of value to the working life that prolongs bearing.
In this embodiment, above-mentioned wearing layer can be specially the titanizing layer, certainly, also can be the wearing layer of other classification, such as, copper layer etc.It is pointed out that titanium layer has performances such as wear-resisting, corrosion-resistant, high-low temperature resistant, and its surface friction coefficient is less.Therefore, the retainer surface is provided with the titanizing layer, can effectively improve its anti-wear property.
It is pointed out that titanizing of the prior art, copper facing technology are ripe relatively, present technique field personnel fully can be based on purposes such as the titanizing on existing techniques in realizing retainer surface, copper facing, so this paper repeats no more.
In the another kind of preferred version of this embodiment, the surface of retainer can scribble teflon, certainly, also can be other material, and only need having preferably, antiwear characteristic gets final product.It is pointed out that teflon has characteristics such as wear-resisting, high temperature resistant equally, also have greasy property preferably simultaneously.So be provided with, in the operation of retainer surface coating tetrafluoroethylene, its operation is more simple.
Be appreciated that teflon as abrasionproof, lubriation material, its cost is higher.Given this, in the preferred version of this embodiment, the retainer sectional scribbles teflon, and every section teflon coating is arranged at respectively between every two adjacent retaining holes 12.
It is pointed out that because support body 11 parts between two retaining holes 12 of retainer are not subjected to the supporting effect of rolling element (not shown), and this part more easily deformation takes place and comes in contact with the bearing outer ring (not shown), produce sliding friction.Therefore, in the preferred version of this embodiment, can be provided with polytetrafluorethylecoatings coatings in support body 11 parts between two retaining holes 12 of retainer.
So be provided with, retainer is partially coated with teflon, obviously can effectively reduce the abrasionproof cost of retainer.
The retainer that above-mentioned embodiment provided is assemblied between the inner ring (not shown) and outer ring (not shown) of bearing, can forms bearing provided by the present invention; Other each several part can be with reference to prior art, and this paper repeats no more.
More than a kind of bearing provided by the present invention and retainer thereof are described in detail, used specific case herein principle of the present invention and mode of execution are set forth, above embodiment's explanation just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (6)
1. retainer comprises support body and is arranged at the retaining hole of described support body, it is characterized in that the surface of described support body has wearing layer.
2. retainer as claimed in claim 1 is characterized in that, described wearing layer is the titanizing layer.
3. retainer as claimed in claim 1 is characterized in that, described wearing layer is a copper layer.
4. retainer as claimed in claim 1 is characterized in that, described wearing layer is a polytetrafluorethylecoatings coatings.
5. retainer as claimed in claim 4 is characterized in that, described support body segmentation is provided with described polytetrafluorethylecoatings coatings, and every section described polytetrafluorethylecoatings coatings is arranged at respectively between per two adjacent described retaining holes.
6. a bearing is characterized in that, comprises each described retainer as claim 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110043240 CN102086906A (en) | 2011-02-23 | 2011-02-23 | Bearing and retainer thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110043240 CN102086906A (en) | 2011-02-23 | 2011-02-23 | Bearing and retainer thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102086906A true CN102086906A (en) | 2011-06-08 |
Family
ID=44098839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110043240 Pending CN102086906A (en) | 2011-02-23 | 2011-02-23 | Bearing and retainer thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102086906A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763206A (en) * | 2016-12-01 | 2017-05-31 | 宁波慈兴轴承有限公司 | A kind of modified form low friction retainer of bearing |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1464946A (en) * | 2001-06-12 | 2003-12-31 | 日本精工株式会社 | Retainer |
| JP2006207642A (en) * | 2005-01-26 | 2006-08-10 | Nakanishi Metal Works Co Ltd | Rolling bearing cage |
| CN2918859Y (en) * | 2006-06-01 | 2007-07-04 | 时传坤 | Compound axle bearing holder |
| CN201671970U (en) * | 2010-05-28 | 2010-12-15 | 湘电风能有限公司 | Anti-wear bearing retainer |
| CN201953824U (en) * | 2011-02-23 | 2011-08-31 | 郑广辉 | Bearing and retainer thereof |
-
2011
- 2011-02-23 CN CN 201110043240 patent/CN102086906A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1464946A (en) * | 2001-06-12 | 2003-12-31 | 日本精工株式会社 | Retainer |
| JP2006207642A (en) * | 2005-01-26 | 2006-08-10 | Nakanishi Metal Works Co Ltd | Rolling bearing cage |
| CN2918859Y (en) * | 2006-06-01 | 2007-07-04 | 时传坤 | Compound axle bearing holder |
| CN201671970U (en) * | 2010-05-28 | 2010-12-15 | 湘电风能有限公司 | Anti-wear bearing retainer |
| CN201953824U (en) * | 2011-02-23 | 2011-08-31 | 郑广辉 | Bearing and retainer thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763206A (en) * | 2016-12-01 | 2017-05-31 | 宁波慈兴轴承有限公司 | A kind of modified form low friction retainer of bearing |
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Application publication date: 20110608 |