CN203023277U - High-speed angular contact rolling body bearing structure - Google Patents
High-speed angular contact rolling body bearing structure Download PDFInfo
- Publication number
- CN203023277U CN203023277U CN 201320015593 CN201320015593U CN203023277U CN 203023277 U CN203023277 U CN 203023277U CN 201320015593 CN201320015593 CN 201320015593 CN 201320015593 U CN201320015593 U CN 201320015593U CN 203023277 U CN203023277 U CN 203023277U
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- retainer
- rolling body
- angular contact
- bearing structure
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Abstract
The utility model relates to a high-speed angular contact rolling body bearing structure, and in particular relates to a high-speed angular contact rolling body bearing structure used for solving the problem of friction heat and collision generated by high radial load on the bearing. The high-speed angular contact rolling body bearing structure is characterized by comprising an inner ring, an outer ring, a rolling body and a retainer, wherein the outer ring is arranged as a circular outer ring; the inner ring is arranged in the outer ring; the middle of the retainer is provided with a pocket, and the retainer is arranged between the inner ring and the outer ring; and the rolling body is arranged in the pocket of the retainer, and the pocket at the middle of the retainer is elliptical. According to the utility model, the pocket of the retainer of the high-speed angular contact rolling body bearing structure is processed into the elliptical pocket, thus the radial clearance between the rolling body and the pocket is increased, simultaneously the axial clearance is stabilized, so that the lubricating oil can easily flow through the pocket, when the retainer is effectively cooled, the weakening of the side wall strength of the pocket of the retainer is avoided as well, the axial instability of the retainer is reduced, and the service life of the bearing is prolonged.
Description
Technical field
The utility model relates to technical field of bearings, particularly relates to a kind of High speed Angular Contact Ceramic rolling body bearing structure.
Background technique
At present, High speed Angular Contact Ceramic rolling body bearing structure mostly is B7000C series, and nominal contact angle is 15 °, is mainly used in machine tool high speed electricity main shaft.It mainly adopts outer guide structure, retainer mostly is phenolic resin material, retainer pocket hole is positive round structure, when radial load is larger, the kinetic characteristic of retainer and rolling element makes rolling element and pocket hole surface can produce fierce collision, produce a large amount of frictional heats and the hole wearing and tearing of serious pocket, and cause retainer fracture and bearing to be burnt when serious.Because the defective that above-mentioned existing High speed Angular Contact Ceramic rolling body bearing structure exists, the inventor is based on being engaged in this type of product specification manufacturing abundant practical experience and professional knowledge for many years, and the utilization of cooperation scientific principle, positive research and innovation in addition, can improve general existing High speed Angular Contact Ceramic rolling body bearing structure to founding a kind of novel high speed angle contacting rolling body bearing structure, make it have more practicability.Through constantly research, design, and through after repeatedly studying sample and improvement, finally create the utility model that has practical value.
Summary of the invention
The utility model, overcome the defective that existing High speed Angular Contact Ceramic rolling body bearing structure exists, to make it solve frictional heat and collision problem that bearing produces when larger because of radial load and a kind of novel high speed angle contacting rolling body bearing structure, technical problem to be solved are provided.
The purpose of this utility model is, a kind of High speed Angular Contact Ceramic rolling body bearing structure is provided, particularly a kind of frictional heat that bearing produces when larger because of radial load and High speed Angular Contact Ceramic rolling body bearing structure of collision problem of solving.
The purpose of this utility model and solve its technical problem and realize by the following technical solutions.Described High speed Angular Contact Ceramic rolling body bearing structure comprises inner ring, outer ring, rolling element, retainer, it is characterized in that, described High speed Angular Contact Ceramic rolling body bearing structure comprises: the outer ring is set to circular outer ring; Inner ring is arranged in described outer ring; Retainer has the pocket hole in the middle of it, is arranged between described inner ring and outer ring; Rolling element is arranged in the pocket hole of retainer.Pocket hole in the middle of described retainer is the elliptical pocket hole.Described rolling element is spherical structure.
The utility model compared with prior art has obvious advantage and beneficial effect.The elliptical pocket hole is processed in the pocket hole of the retainer of High speed Angular Contact Ceramic rolling body bearing structure.The utility model High speed Angular Contact Ceramic rolling body bearing structure can reach suitable technological progress and practicability, and has an extensive value on industry, it has following advantages at least: the radial clearance in rolling element and pocket hole has been strengthened in the elliptical pocket hole of retainer, Simultaneous Stabilization axial clearance, make lubricant oil more easily flow through the pocket hole, also avoided weakening of retainer pocket hole side wall strength when making the retainer effective cooling, reduce the axial unstability of retainer, extended the working life of bearing.By technique scheme, lubricant oil more easily flows through the pocket hole, makes the retainer effective cooling, has avoided weakening of retainer pocket hole side wall strength, has reduced the retainer axial instability.The utility model High speed Angular Contact Ceramic rolling body bearing structure has solved in the using process of High speed Angular Contact Ceramic rolling body bearing structure the kinetic characteristic because of retainer and rolling element, make rolling element and retainer pocket hole surface produce fierce collision and produce a large amount of frictional heat and serious pocket hole wearing and tearing, cause bearing short problem in working life, simple in structure, easy to implement.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of specification, and for above-mentioned and other objects, features and advantages of the present utility model can be become apparent, below especially exemplified by preferred embodiment, and the cooperation accompanying drawing, be described in detail as follows.
Description of drawings
Fig. 1 is the utility model High speed Angular Contact Ceramic rolling body bearing structural representation.
Fig. 2 is the utility model High speed Angular Contact Ceramic rolling body bearing retainer structural representation.
Embodiment
Be to reach technological means and the effect that predetermined purpose is taked for further setting forth the utility model, below in conjunction with accompanying drawing and preferred embodiment, to according to the High speed Angular Contact Ceramic rolling body bearing structure that the utility model proposes, its embodiment, structure, feature and effect thereof are described in detail as follows.
As scheme the High speed Angular Contact Ceramic rolling body bearing structure as shown in l and be, the interior inner ring 2 that arranges in outer ring 1 arranges retainer 4 between outer ring 1 and inner ring 2, and the elliptical pocket hole is arranged in the middle of retainer 4, rolling element 3 is arranged between inner ring 2 and outer ring 1, and rolling element 3 is arranged in the elliptical pocket hole of retainer.
High speed Angular Contact Ceramic rolling body bearing retainer structure as shown in Figure 2 is that elliptical pocket hole 5 is arranged in the middle of retainer 4.
The technological scheme that the technical solution problem adopts is: bearing parts retainer 4 is processed into as shown in Figure 2 elliptical pocket hole 5, reduces collision and the friction in rolling element 3 and elliptical pocket hole 5.Axial clearance has been stablized in elliptical pocket shown in Figure 2 hole 5 when strengthening the radial clearance in rolling element 3 and elliptical pocket hole 5, make lubricant oil more easily flow through elliptical pocket hole 5, makes retainer 4 and rolling element 3 obtain effective cooling.
the above, it is only preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, although the utility model discloses as above with preferred embodiment, yet be not to limit the utility model, any those skilled in the art, within not breaking away from the technical solutions of the utility model scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, any simple modification that foundation technical spirit of the present utility model is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (3)
1. a High speed Angular Contact Ceramic rolling body bearing structure, comprise inner ring, outer ring, rolling element, retainer, it is characterized in that, described High speed Angular Contact Ceramic rolling body bearing structure comprises:
The outer ring is set to circular outer ring;
Inner ring is arranged in described outer ring;
Retainer has the pocket hole in the middle of it, is arranged between described inner ring and outer ring;
Rolling element is arranged in the pocket hole of retainer.
2. High speed Angular Contact Ceramic rolling body bearing structure according to claim 1, is characterized in that, the pocket hole in the middle of described retainer is the elliptical pocket hole.
3. High speed Angular Contact Ceramic rolling body bearing structure according to claim 1, is characterized in that, described rolling element is spherical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320015593 CN203023277U (en) | 2013-01-11 | 2013-01-11 | High-speed angular contact rolling body bearing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320015593 CN203023277U (en) | 2013-01-11 | 2013-01-11 | High-speed angular contact rolling body bearing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203023277U true CN203023277U (en) | 2013-06-26 |
Family
ID=48647266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320015593 Expired - Fee Related CN203023277U (en) | 2013-01-11 | 2013-01-11 | High-speed angular contact rolling body bearing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203023277U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103836064A (en) * | 2013-01-11 | 2014-06-04 | 洛阳德润精密机床轴承有限公司 | High speed angular contact roller bearing structure |
-
2013
- 2013-01-11 CN CN 201320015593 patent/CN203023277U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103836064A (en) * | 2013-01-11 | 2014-06-04 | 洛阳德润精密机床轴承有限公司 | High speed angular contact roller bearing structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130626 Termination date: 20160111 |