CN202418250U - Thrust ball bearing and retainer thereof - Google Patents
Thrust ball bearing and retainer thereof Download PDFInfo
- Publication number
- CN202418250U CN202418250U CN 201220015431 CN201220015431U CN202418250U CN 202418250 U CN202418250 U CN 202418250U CN 201220015431 CN201220015431 CN 201220015431 CN 201220015431 U CN201220015431 U CN 201220015431U CN 202418250 U CN202418250 U CN 202418250U
- Authority
- CN
- China
- Prior art keywords
- annular body
- retainer
- revealing
- 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 - Lifetime
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Classifications
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- 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
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- 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 utility model relates to a thrust ball bearing, which comprises a shaft ring and a seat ring which are overlapped with each other, wherein a retainer is arranged between opposite end faces of the shaft ring and the seat ring and comprises an annular body; the annular body is provided with pockets which penetrate through two end faces of the annular body in the circumferential direction; ball rollers are arranged in the pockets; one end of each pocket is provided with a pocket bottom section which is in limiting fit with each ball roller, and the other end of each pocket is provided with pocket openings; the pocket bottom sections of two adjacent pockets are respectively close to the two end faces of the annular body; notches for preventing the rollers from dropping are formed at the pocket openings of the pockets on the annular body; and the pocket bottom sections of the pockets are conical hole sections which are narrowed and extend to corresponding end faces of the annular body. By the conical sections of the pocket bottom sections of the pockets of the retainer, when the bearing is designed, the displacement of the retainer relative to the shaft ring and the seat ring can be changed by changing angles of vertexes of cones of the conical sections under the condition that high strength of the bearing can be guaranteed, so that the displacement is smaller than a gap among the retainer, the shaft ring and the seat ring.
Description
Technical field
The utility model relates to a kind of thrust ball bearing that is used for bearing radial force, and the utility model also relates to the retainer of this thrust ball bearing.
Background technique
At present, thrust ball bearing is used for bearing axial pushing force, comprises blowout patche and seat ring; Blowout patche and seat ring are folded to be located at together; Be provided with retainer between blowout patche and the seat ring, comprise annular body, annular body is in the pocket hole that upwards is laid with the both ends of the surface that run through annular body week; One end in each pocket hole has and is used to the spacing section of revealing all the details of spherical roller; The other end is the pocket mouth, and the section of revealing all the details in two adjacent pocket holes that is to say that respectively near the both ends of the surface of annular body the section of revealing all the details in two adjacent pocket holes is not in the same side in two pocket holes.The section of revealing all the details in pocket of the prior art hole is a sphere shape, in addition, drops out from retainer pocket hole for preventing steel ball, is provided with the cutter mouth at retainer pocket bore edges, and the number of cutter mouth is two or four, is symmetrically distributed along pocket hole circle week.In the time of bearing working, owing to have the gap between the hole wall in spherical roller and pocket hole, retainer can move with respect to blowout patche and seat ring; In order to prevent that retainer and border and seat ring from interfering, just need reduce the height of retainer, satisfy the condition that retainer and blowout patche, seat ring are not collided; And this design debug number of times is uncontrollable, so, because the height of retainer is reduced; Thereby cause the intensity of retainer to weaken, the technology capability variation is especially concerning highi degree of accuracy (ultralight) thin-walled thrust ball bearing; Because reducing of retainer height, its intensity will further weaken, even not reach the bearing usage requirement; In addition, the intensity of lock ball cutter port area also dies down, and pocket mouth edge cutter mouth is difficulty more, and especially in retainer processing and assembly process, difficulty control is difficult to particularly guarantee that the sphere shape pocket hole of retainer is earlier stressed, and yield rate reduces greatly, and business efficiency is low.
The model utility content
The purpose of the utility model is to provide a kind of thrust ball bearing; Can't reach the problem of designing requirement with the intensity that solves the retainer that causes because adopt the mode that reduces the retainer height to avoid retainer and blowout patche and seat ring collision in the existing technology; Simultaneously, the purpose of the utility model also is to provide the retainer of this thrust ball bearing.
For realizing above-mentioned purpose; The thrust ball bearing of the utility model adopts following technological scheme: a kind of retainer of thrust ball bearing; Comprise annular body, annular body is in the pocket hole that upwards is laid with the both ends of the surface that run through annular body week, and an end in each pocket hole has and is used to the spacing section of revealing all the details of spherical roller; The other end is the pocket mouth; The section of revealing all the details in two adjacent pocket holes is respectively near two end faces of annular body, is provided with in the pocket mouth place in each pocket hole on the annular body to be used to the cutter mouth that prevents that spherical roller from deviating from, and the section of revealing all the details in described pocket hole extends to the cone shape hole section of the corresponding end face of annular body for reducing.
The retainer of the thrust ball bearing of the utility model adopts following technological scheme:
A kind of thrust ball bearing comprises folded relatively blowout patche and the seat ring of establishing, and is provided with retainer between the opposing end surface of blowout patche and seat ring; Retainer comprises annular body; Annular body is provided with spherical roller in the pocket hole that upwards is laid with the both ends of the surface that run through annular body week in the pocket hole, an end in each pocket hole has and the spacing section of revealing all the details that cooperates of spherical roller; The other end is the pocket mouth; Near two end faces of annular body, the pocket mouth place in each pocket hole on the annular body is provided with the cutter mouth that prevents that roller from deviating to the section of revealing all the details in two adjacent pocket holes respectively, and the section of revealing all the details in described pocket hole extends to the cone shape hole section of the corresponding end face of annular body for reducing.
The section of revealing all the details in the pocket hole of the retainer of the utility model is a conical section; When design bearing; Can guarantee that bearing keeps under the prerequisite than requirement of strength; The angle of the vertex of a cone through changing conical section changes the amount of movement of retainer with respect to blowout patche and seat ring, makes this amount of movement less than the gap between retainer and blowout patche and the seat ring.Do not reduce the retainer height to be implemented in, guarantee under the situation of retainer intensity, avoid producing between retainer and blowout patche and the seat ring and interfere.
Description of drawings
Fig. 1 is the utility model embodiment's a structural representation;
Fig. 2 is the A-A revolved sectional view of Fig. 1;
Fig. 3 is the sectional view of B-B among Fig. 1;
Fig. 4 is the partial enlarged drawing at cutter mouthful place among Fig. 2;
Fig. 5 is the schematic diagram that the embodiment of the utility model realizes regulating the retainer amount of movement;
Fig. 6 is the partial enlarged drawing at X place among Fig. 5.
Embodiment
A kind of embodiment of retainer of thrust ball bearing; In Fig. 1 ~ 4; The annular body 1 of retainer upwards is laid with pocket hole 3 in week, and the both ends of the surface of annular body 1 are run through in pocket hole 3, and an end in each pocket hole 3 has the section of revealing all the details 4; The section of revealing all the details 4 is a 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 the pocket mouth away from the other end of revealing all the details.Revealing all the details respectively near two end faces of annular body 1 of two adjacent pocket holes 3 that is to say revealing all the details near the different end faces of annular body 1 of two adjacent pocket holes 3.Be provided with cutter mouth 2 in the pocket mouth place in each pocket hole on the annular body 1, be provided with two cutter mouths 2 corresponding to each pocket hole 3 in the present embodiment.In use, spherical roller is arranged in the pocket hole, and an end of spherical roller cooperates with the section of revealing all the details is spacing, the other end with cooperate with a cutter mouthful anticreep, spherical roller is movably arranged in the pocket hole.
A kind of embodiment of thrust ball bearing is in Fig. 1 ~ 4, in conjunction with Fig. 5 and Fig. 6; Thrust ball bearing has blowout patche and seat ring, and blowout patche and seat ring are stacked relatively, is provided with retainer between the opposing end surface of blowout patche and seat ring; The annular body 1 of retainer upwards is laid with pocket hole 3 in week, and the both ends of the surface of annular body 1 are run through in pocket hole 3, and an end in each pocket hole 3 has the section of revealing all the details 4; The section of revealing all the details 4 is a 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 the pocket mouth away from the other end of revealing all the details.Revealing all the details respectively near two end faces of annular body 1 of two adjacent pocket holes 3 that is to say revealing all the details near the different end faces of annular body 1 of two adjacent pocket holes 3.Be provided with cutter mouth 2 in the pocket mouth place in each pocket hole on the annular body 1, be provided with two cutter mouths 2 corresponding to each pocket hole 3 in the present embodiment.Be provided with spherical roller 5 in the pocket hole 3, an end of spherical roller 5 and 4 spacing cooperations of the section of revealing all the details, the other end cooperates with cutter mouthful 2 anticreeps, and spherical roller 5 is movably arranged in the pocket hole.
In Fig. 5 and Fig. 6; Because spherical roller 5 is that the gap is assemblied in the pocket hole; Therefore, when roof pressure was on blowout patche and seat ring at the two ends of spherical roller, retainer can be relatively and spherical roller; Just move relative to blowout patche and seat ring, with the angle of the vertex of a cone of the section of revealing all the details be exactly one of factor of confirming this amount of movement.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 among Fig. 6 in the expression of Y position, those skilled in the art can clearly 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 instance, do not change the height of retainer, and supposed that the external port diameter at the section of revealing all the details place in pocket hole is constant.Certainly, can suppose that also the height of the section of revealing all the details is constant, change the angle of the vertex of a cone of the section of revealing all the details 4; So that change the amount of movement of retainer, certainly, at this moment the diameter of the external port at the section of revealing all the details in pocket hole place can and then change; In this case, can guarantee that also the height of retainer is constant.
After the angle of the vertex of a cone of having confirmed the section of revealing all the details 4, can adjust the gradient of cutter oral area position, when the symmetry plane that makes two of correspondence cut a hole the oral area positions is crossed the center line in pocket hole; The working surface of cutter oral area position is in the outside of the sector hole wall of revealing all the details; Guarantee that when retainer moves the section of revealing all the details 4 can contact with spherical roller prior to cutter oral area position, makes the section of revealing all the details 4 come bearing load; Position-limiting action is only played in cutter oral area position like this, is easy to guarantee the working life of bearing.
Claims (2)
1. the retainer of a thrust ball bearing; Comprise annular body; Annular body is in the pocket hole that upwards is laid with the both ends of the surface that run through annular body week; One end in each pocket hole has and is used to the spacing section of revealing all the details of spherical roller, and the other end is the pocket mouth, and the section of revealing all the details in two adjacent pocket holes is respectively near two end faces of annular body; Be provided with in the pocket mouth place in each pocket hole on the annular body and be used to the cutter mouth that prevents that spherical roller from deviating from, it is characterized in that: the section of revealing all the details in described pocket hole extends to the cone shape hole section of the corresponding end face of annular body for reducing.
2. a thrust ball bearing comprises folded relatively blowout patche and the seat ring of establishing, and is provided with retainer between the opposing end surface of blowout patche and seat ring; Retainer comprises annular body; Annular body is provided with spherical roller in the pocket hole that upwards is laid with the both ends of the surface that run through annular body week in the pocket hole, an end in each pocket hole has and the spacing section of revealing all the details that cooperates of spherical roller; The other end is the pocket mouth; Near two end faces of annular body, the pocket mouth place in each pocket hole on the annular body is provided with the cutter mouth that prevents that roller from deviating from, and it is characterized in that: the section of revealing all the details in described pocket hole extends to the cone shape hole section of the corresponding end face of annular body to the section of revealing all the details in two adjacent pocket holes for reducing respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220015431 CN202418250U (en) | 2012-01-13 | 2012-01-13 | Thrust ball bearing and retainer thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220015431 CN202418250U (en) | 2012-01-13 | 2012-01-13 | Thrust ball bearing and retainer thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202418250U true CN202418250U (en) | 2012-09-05 |
Family
ID=46743020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220015431 Expired - Lifetime CN202418250U (en) | 2012-01-13 | 2012-01-13 | Thrust ball bearing and retainer thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202418250U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102817918A (en) * | 2012-01-13 | 2012-12-12 | 洛阳轴研科技股份有限公司 | Thrust ball bearing and retainer thereof |
| 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 |
-
2012
- 2012-01-13 CN CN 201220015431 patent/CN202418250U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102817918A (en) * | 2012-01-13 | 2012-12-12 | 洛阳轴研科技股份有限公司 | Thrust ball bearing and retainer thereof |
| CN102817918B (en) * | 2012-01-13 | 2015-04-15 | 洛阳轴研科技股份有限公司 | Thrust ball bearing and retainer thereof |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120905 Effective date of abandoning: 20150415 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20120905 Effective date of abandoning: 20150415 |
|
| RGAV | Abandon patent right to avoid regrant |