CN102817918B - Thrust ball bearing and retainer thereof - Google Patents
Thrust ball bearing and retainer thereof Download PDFInfo
- Publication number
- CN102817918B CN102817918B CN201210010473.0A CN201210010473A CN102817918B CN 102817918 B CN102817918 B CN 102817918B CN 201210010473 A CN201210010473 A CN 201210010473A CN 102817918 B CN102817918 B CN 102817918B
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- CN
- China
- Prior art keywords
- retainer
- annular body
- details
- section
- 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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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/10—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for axial load mainly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/38—Ball cages
- F16C33/3887—Details of individual pockets, e.g. shape or ball retaining means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention relates to a thrust ball bearing and a retainer. The thrust ball bearing comprises a shaft ring and a seat ring which are oppositely stacked, the retainer is arranged between opposite end surfaces of the shaft ring and the seat ring, the retainer comprises a ring-shaped body, pockets which penetrate through two end surfaces of the ring-shaped body are distributed on the circumference of the ring-shaped body, ball rollers are arranged in the pockets, one ends of the pockets are provided with pocket bottom sections which are in limiting fit with the ball rollers, the other ends of the pockets are pocket ports, the pocket bottom sections of the two adjacent pockets are close to the two end surfaces of the ring-shaped body respectively, drilling ports which prevent the rollers from coming off are arranged at the positions of the pocket ports of the pockets on the ring-shaped body, and the pocket bottom sections of the pockets are tapered hole sections with necks extending to the corresponding end surfaces of the ring-shaped body. According to the thrust ball bearing and the retainer, the pocket bottom sections of the pockets of the retainer are the tapered hole sections so that when the bearing is designed, on the premise that high strength of the bearing is guaranteed the movement amount of the retainer relative to the shaft ring and the seat ring can be changed by changing angles of tapered tops of the tapered hole sections to enable the retainer to move in the gap between the shaft ring and the seat ring.
Description
Technical field
The present invention relates to a kind of thrust ball bearing for bearing radial force, the invention still further relates to the retainer of this thrust ball bearing.
Background technique
At present, thrust ball bearing is for bearing end thrust, comprise blowout patche and seat ring, blowout patche and seat ring are folded be located at together with, retainer is provided with between blowout patche and seat ring, comprise annular body, annular body is laid with the pocket hole of the both ends of the surface running through annular body in the circumferential, the one end in each pocket hole has for being the spacing section of revealing all the details of spherical roller, the other end is pocket mouth, the section of revealing all the details in two adjacent pocket holes is respectively near the both ends of the surface of annular body, and the section of revealing all the details in two that is adjacent pocket holes is not in the same side in two pocket holes.The section of revealing all the details in pocket hole of the prior art is spheric, in addition, for preventing steel ball from dropping out from retainer pocket hole, is provided with cutter mouth at retainer pocket bore edges, and the number of cutter mouth is two or four, symmetrical along pocket hole circle week.When bearing working, owing to there is gap between spherical roller and the hole wall in pocket hole, retainer can move relative to blowout patche and seat ring, interfere to prevent retainer and border and seat ring, just need the height reducing retainer, meet retainer and blowout patche, the condition that seat ring is not collided, and this design debug number of times is uncontrollable, so, because the height of retainer is reduced, thus cause the remitted its fury of retainer, technology capability is deteriorated, especially concerning highi degree of accuracy (ultralight) thin-walled thrust ball bearing, due to the reduction of retainer height, its intensity will weaken further, even do not reach bearing usage requirement, in addition, the intensity of lock ball cutter port area also dies down, and pocket mouth edge cutter mouth will be more difficult, and especially in retainer processing and assembly process, more difficult control, be particularly difficult to ensure that the spheric pocket hole of retainer is first stressed, yield rate reduces greatly, and business efficiency is low.
Summary of the invention
The object of the present invention is to provide a kind of thrust ball bearing, to solve in prior art because the intensity of the retainer adopting the mode reducing retainer height to avoid retainer and blowout patche and seat ring to collide and cause cannot reach the problem of designing requirement, meanwhile, the present invention also aims to the retainer that this thrust ball bearing is provided.
For achieving the above object, thrust ball bearing of the present invention adopts following technological scheme: a kind of retainer of thrust ball bearing, comprise annular body, annular body is laid with the pocket hole of the both ends of the surface running through annular body in the circumferential, the one end in each pocket hole has for being the spacing section of revealing all the details of spherical roller, the other end is pocket mouth, the section of revealing all the details in two adjacent pocket holes is respectively near two end faces of annular body, annular body is provided with the cutter mouth for preventing spherical roller from deviating from the pocket mouth place in each pocket hole, the section of revealing all the details in described pocket hole is the cone shape hole section that reducing extends to the corresponding end face of annular body.
The retainer of thrust ball bearing of the present invention adopts following technological scheme:
A kind of thrust ball bearing, comprise the blowout patche and seat ring relatively folding and establish, retainer is provided with between blowout patche and the opposing end surface of seat ring, retainer comprises annular body, annular body is laid with the pocket hole of the both ends of the surface running through annular body in the circumferential, spherical roller is provided with in pocket hole, the one end in each pocket hole has the reveal all the details section that coordinate spacing with spherical roller, the other end is pocket mouth, the section of revealing all the details in two adjacent pocket holes is respectively near two end faces of annular body, pocket mouth place in each pocket hole in annular body is provided with the cutter mouth preventing roller from deviating from, the section of revealing all the details in described pocket hole is the cone shape hole section that reducing extends to the corresponding end face of annular body.
The section of revealing all the details in the pocket hole of retainer of the present invention is conical section, when design bearing, can keep compared with under the prerequisite of requirement of strength at guarantee bearing, change the amount of movement of retainer relative to blowout patche and seat ring by the angle of the vertex of a cone changing conical section, make this amount of movement be less than retainer and the gap between blowout patche and seat ring.To realize, when not reducing retainer height, ensureing retainer intensity, avoiding retainer and produce between blowout patche and seat ring interfering.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention;
Fig. 2 is the A-A revolved sectional view of Fig. 1;
Fig. 3 is the sectional view of B-B in Fig. 2;
Fig. 4 is the partial enlarged drawing cutting a hole mouth place in Fig. 2;
Fig. 5 is the schematic diagram that embodiments of the invention realize regulating retainer amount of movement;
Fig. 6 is the partial enlarged drawing at X place in Fig. 5.
Embodiment
A kind of embodiment of retainer of thrust ball bearing, in Fig. 1 ~ 4, the annular body 1 of retainer is laid with pocket hole 3 in the circumferential, the both ends of the surface of annular body 1 are run through in pocket hole 3, the one end in each pocket hole 3 has the section of revealing all the details 4, the section of revealing all the details 4 is conical surface section, and the reducing of the section of revealing all the details 4 extends on the end face of annular body 1.Each pocket hole 3 is pocket mouth away from the other end of revealing all the details.Two adjacent pocket holes 3 reveal all the details respectively near two end faces of annular body 1, the different end faces of revealing all the details near annular body 1 in two that is adjacent pocket holes 3.Annular body 1 is provided with cutter mouth 2 in the pocket mouth place in each pocket hole, corresponds to each pocket hole 3 in the present embodiment and be provided with two cutter mouths 2.In use, spherical roller is arranged in pocket hole, and one end of spherical roller coordinates with the section of revealing all the details is spacing, and the other end coordinates with cutter mouth anticreep, and spherical roller is movably arranged in pocket hole.
A kind of embodiment of thrust ball bearing, in Fig. 1 ~ 4, composition graphs 5 and Fig. 6, thrust ball bearing has blowout patche and seat ring, and blowout patche is relative with seat ring stacked, retainer is provided with between blowout patche and the opposing end surface of seat ring, the annular body 1 of retainer is laid with pocket hole 3 in the circumferential, and the both ends of the surface of annular body 1 are run through in pocket hole 3, and the one end in each pocket hole 3 has the section of revealing all the details 4, the section of revealing all the details 4 is conical surface section, and the reducing of the section of revealing all the details 4 extends on the end face of annular body 1.Each pocket hole 3 is pocket mouth away from the other end of revealing all the details.Two adjacent pocket holes 3 reveal all the details respectively near two end faces of annular body 1, the different end faces of revealing all the details near annular body 1 in two that is adjacent pocket holes 3.Annular body 1 is provided with cutter mouth 2 in the pocket mouth place in each pocket hole, corresponds to each pocket hole 3 in the present embodiment and be provided with two cutter mouths 2.Be provided with spherical roller 5 in pocket hole 3, one end of spherical roller 5 coordinates with the section of revealing all the details 4 is spacing, and the other end coordinates with cutter mouth 2 anticreep, and spherical roller 5 is movably arranged in pocket hole.
In fig. 5 and fig., because spherical roller 5 is that gap is assemblied in pocket hole, therefore, when top, the two ends of spherical roller is pressed on blowout patche and seat ring, retainer can relatively with spherical roller, namely moving relative to blowout patche and seat ring, is exactly one of factor determining this amount of movement with the angle of the vertex of a cone of the section of revealing all the details.Change the angle of the vertex of a cone of the section of revealing all the details 4, just can change the amount of movement of retainer, by Fig. 6 in the expression of Y position, those skilled in the art clearly can draw the angle of the vertex of a cone of the change section of revealing all the details 4, just can change the conclusion of the amount of movement of retainer.In this example, do not change the height of retainer, and assume that the external port diameter at the section of the revealing all the details place in pocket hole is constant.Certainly, also can suppose that the height of the section of revealing all the details is constant, changes the angle of the vertex of a cone of the section of revealing all the details 4, to change the amount of movement of retainer, certainly, at this moment the diameter of the external port at the section of the revealing all the details place in pocket hole can and then change, in this case, also can ensure that the height of retainer is constant.
After the angle of the vertex of a cone determining the section of revealing all the details 4, the gradient of cutter port part can be adjusted, when making the symmetry plane of two corresponding cutter port parts cross the center line in pocket hole, the working surface of cutter port part is in the outside of sector hole wall of revealing all the details, ensure when retainer moves, the section of revealing all the details 4 can, prior to cutter port part and spherical roller contact, make the section of revealing all the details 4 carry out bearing load, such cutter port part only plays position-limiting action, is easy to the working life ensureing bearing.
Claims (2)
1. the retainer of a thrust ball bearing, comprise annular body, annular body is laid with the pocket hole of the both ends of the surface running through annular body in the circumferential, the one end in each pocket hole has for being the spacing section of revealing all the details of spherical roller, the other end is the pocket mouth away from revealing all the details, the section of revealing all the details in two adjacent pocket holes is respectively near two end faces of annular body, annular body being provided with the cutter mouth for preventing spherical roller from deviating from the pocket mouth place in each pocket hole, it is characterized in that: the section of revealing all the details in described pocket hole is the cone shape hole section that reducing extends to the corresponding end face of annular body.
2. a thrust ball bearing, comprise the blowout patche and seat ring relatively folding and establish, retainer is provided with between blowout patche and the opposing end surface of seat ring, retainer comprises annular body, annular body is laid with the pocket hole of the both ends of the surface running through annular body in the circumferential, spherical roller is provided with in pocket hole, the one end in each pocket hole has the reveal all the details section that coordinate spacing with spherical roller, the other end is the pocket mouth away from revealing all the details, the section of revealing all the details in two adjacent pocket holes is respectively near two end faces of annular body, pocket mouth place in each pocket hole in annular body is provided with the cutter mouth preventing roller from deviating from, it is characterized in that: the section of revealing all the details in described pocket hole is the cone shape hole section that reducing extends to the corresponding end face of annular body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210010473.0A CN102817918B (en) | 2012-01-13 | 2012-01-13 | Thrust ball bearing and retainer thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210010473.0A CN102817918B (en) | 2012-01-13 | 2012-01-13 | Thrust ball bearing and retainer thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102817918A CN102817918A (en) | 2012-12-12 |
| CN102817918B true CN102817918B (en) | 2015-04-15 |
Family
ID=47302256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210010473.0A Expired - Fee Related CN102817918B (en) | 2012-01-13 | 2012-01-13 | Thrust ball bearing and retainer thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102817918B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015141642A1 (en) * | 2014-03-17 | 2015-09-24 | 日本精工株式会社 | Machined cage for thrust ball bearing, design method therefor, and thrust ball bearing equipped with machined cage |
| CN104265779B (en) * | 2014-09-15 | 2017-01-18 | 北京卫星制造厂 | Dense ball type rotating and reciprocating two-degree-of-freedom rolling shaft system |
| CN106239068A (en) * | 2016-08-31 | 2016-12-21 | 中航工业哈尔滨轴承有限公司 | A kind of processing technique of ball bearing solid cage |
| CN107917141A (en) * | 2017-12-28 | 2018-04-17 | 西北轴承有限公司 | A kind of novel angular contact ball bearing retainer |
| CN109027008A (en) * | 2018-08-22 | 2018-12-18 | 大连国威轴承股份有限公司 | A kind of retainer applied on milling train ball bearing and the bearing using it |
| CN110189933B (en) * | 2019-05-23 | 2021-11-26 | 贵州航天电器股份有限公司 | Go out case travel switch axis body |
| CN112412985B (en) * | 2019-08-20 | 2022-09-02 | 上银科技股份有限公司 | Retainer and bearing |
| CN113623316B (en) * | 2021-04-28 | 2023-06-23 | 洛阳轴承研究所有限公司 | Thrust roller bearing retainer and thrust roller bearing |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1668856A (en) * | 2002-05-22 | 2005-09-14 | 安斯波埃弗特公司 | Ball bearing |
| CN1971075A (en) * | 2005-09-29 | 2007-05-30 | 日本精工株式会社 | Rolling element accommodating belt for linear guide apparatus and linear guide apparatus |
| CN101512169A (en) * | 2006-09-08 | 2009-08-19 | Ntn株式会社 | Roller bearing, retainer segment for wind-power plant spindle supporting roller bearing, and spindle supporting structure of wind-power plant |
| CN201982512U (en) * | 2011-01-27 | 2011-09-21 | 浙江天马轴承股份有限公司 | Retainer of non-standard thin-walled angular contact ball bearing |
| CN202418250U (en) * | 2012-01-13 | 2012-09-05 | 洛阳轴研科技股份有限公司 | Thrust ball bearing and retainer thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3532663B2 (en) * | 1995-07-26 | 2004-05-31 | Ｎｔｎ株式会社 | Resin cage for thrust bearing |
| JPH10184694A (en) * | 1996-12-24 | 1998-07-14 | Nippon Seiko Kk | Rolling bearing |
| JP2006097731A (en) * | 2004-09-28 | 2006-04-13 | Ntn Corp | Angular ball bearing |
-
2012
- 2012-01-13 CN CN201210010473.0A patent/CN102817918B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1668856A (en) * | 2002-05-22 | 2005-09-14 | 安斯波埃弗特公司 | Ball bearing |
| CN1971075A (en) * | 2005-09-29 | 2007-05-30 | 日本精工株式会社 | Rolling element accommodating belt for linear guide apparatus and linear guide apparatus |
| CN101512169A (en) * | 2006-09-08 | 2009-08-19 | Ntn株式会社 | Roller bearing, retainer segment for wind-power plant spindle supporting roller bearing, and spindle supporting structure of wind-power plant |
| CN201982512U (en) * | 2011-01-27 | 2011-09-21 | 浙江天马轴承股份有限公司 | Retainer of non-standard thin-walled angular contact ball bearing |
| CN202418250U (en) * | 2012-01-13 | 2012-09-05 | 洛阳轴研科技股份有限公司 | Thrust ball bearing and retainer thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102817918A (en) | 2012-12-12 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180509 Address after: 471000 No. 1 axis research road, Jianxi science and Technology Industrial Park, Luoyang, Henan Patentee after: Luoyang Bearing Research Institute Address before: 471039 Fenghua Road 6, hi tech Development Zone, Luoyang, Henan. Patentee before: Zhouyan Science and Technology Co., Ltd., Luoyang |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150415 Termination date: 20210113 |
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| CF01 | Termination of patent right due to non-payment of annual fee |