CN201401439Y - Tapered roller bearing for vehicle - Google Patents
Tapered roller bearing for vehicle Download PDFInfo
- Publication number
- CN201401439Y CN201401439Y CN2009201170288U CN200920117028U CN201401439Y CN 201401439 Y CN201401439 Y CN 201401439Y CN 2009201170288 U CN2009201170288 U CN 2009201170288U CN 200920117028 U CN200920117028 U CN 200920117028U CN 201401439 Y CN201401439 Y CN 201401439Y
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- CN
- China
- Prior art keywords
- bearing
- roller
- tapered roller
- raceway groove
- outer ring
- 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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Abstract
The utility model provides a tapered roller bearing for vehicle, which belongs to the mechanical technology field, and solves the problems that a roller end surface and an inner ring big retaining side of a prior tapered roller bearing for vehicle often slide when bearing contact load, thereby being easy to lead a bearing to lose efficacy early and the like. The roller end surface of the bearing comprises a bearing inner ring, a bearing outer ring, a roller and a cage, wherein the cage is arranged between an inner and an outer ring of the bearing, the inner surface of the outer ring of the bearing is provided with an outer channel, the inner surface of the inner ring of the bearing is provided with an inner channel, the roller is located between the outer channel and the inner channel, andthe outer channel, the inner channel and the roller contact in a logarithm hyperbola shape. The tapered roller bearing for vehicle has the characteristics of long service life and excellent stability.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of tapered roller bearing, particularly a kind of automobile-used tapered roller bearing.
Background technique
At present, automotive industry is in order to reduce the pollution to environment, and various automobiles are for reducing oil consumption, and design is one after another to light, miniaturization development, to the many employings of the requirement of bearing can bear radially, the axial tapered roller bearing of joint load power.Compare with ball bearing, though structurally tapered roller bearing have bearing capacity big, can bear advantages such as radial load and thrust load, life-span be long simultaneously, be widely used in industries such as automobile, railway freight-car, milling train, engineering machinery, lathe, undercarriage, agricultural machinery, water pump, mine, but the roller end face of tapered roller bearing and inner ring large-flange are bearing contact load often with slip, bigger than Friction Moment of Ball Bearings, easily cause bearing early failue, failure mode mainly is contact fatigue, wearing and tearing.
Summary of the invention
The purpose of this utility model is to exist above-mentioned problem at existing automobile-used tapered roller bearing, and a kind of automobile-used tapered roller bearing of simple in structure, reasonable in design, long service life is provided.
The purpose of this utility model can realize by following technical proposal: a kind of automobile-used tapered roller bearing, comprise bearing inner race, bearing outer ring, roller and retainer, described retainer is arranged between bearing inner race and the bearing outer ring, described bearing outer ring internal surface is provided with outer raceway groove, the bearing inner race internal surface is provided with interior raceway groove, described roller outside between raceway groove and the interior raceway groove, it is characterized in that described outer raceway groove, interior raceway groove all are the logarithm hyperbolic shape with roller and contact.
In above-mentioned automobile-used tapered roller bearing, described bearing inner race, bearing outer ring and roller are the protrusion amount of employing logarithm hyperbolic shape to be decided according to bearing designation and load, and its bus convexity comprises: the convex of bearing inner race bus, bearing outer ring bus, roller bus and protrusion amount.
In above-mentioned automobile-used tapered roller bearing, the convex of described interior raceway groove is the logarithm hyperbolic shape.
In above-mentioned automobile-used tapered roller bearing, the convex of described outer raceway groove is the logarithm hyperbolic shape.
In above-mentioned automobile-used tapered roller bearing, the convex of described roller outer diameter is the logarithm hyperbolic shape.
Compared with prior art, this automobile-used tapered roller bearing is not changing the tapered roller bearing project organization, do not reduce under the prerequisite of bearing rated load, by strengthening the convexity of raceway groove face and roller outer diameter, the choose reasonable protuberance shape, so both reduced friction torque, not overlap the stress of generation concentrated because of inevitable Internal and external cycle down in working order also to have reduced bearing, improved bearing life.
Description of drawings
Fig. 1 is the structural representation of this automobile-used tapered roller bearing.
Fig. 2 is the sectional view of this automobile-used tapered roller bearing inner ring.
Fig. 3 is the sectional view of this automobile-used tapered roller bearing outer ring.
Fig. 4 is the sectional view of this automobile-used tapered roller bearing retainer.
Fig. 5 is the sectional view of this automobile-used tapered roller bearing roller.
Among the figure: 1, bearing inner race; 11, interior raceway groove; 2, bearing outer ring; 21, outer raceway groove; 3, roller; 4, retainer.
Embodiment
Below be specific embodiment of the utility model and in conjunction with the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
To shown in Figure 5, this automobile-used tapered roller bearing comprises bearing inner race 1, bearing outer ring 2, roller 3 and retainer 4 as Fig. 1, and retainer 4 is arranged between bearing inner race 1 and the bearing outer ring 2.Raceway groove 21 outside being provided with on bearing outer ring 2 internal surfaces, bearing inner race 1 internal surface are provided with interior raceway groove 11, roller 3 outside between raceway groove 21 and the interior raceway groove 11, bearing outer ring 2 raceway grooves, bearing inner race 1 raceway groove all are the logarithm hyperbolic shape with roller 3 and contact.Bearing inner race 1, bearing outer ring 2 and roller 3 are the protrusion amount of employing logarithm hyperbolic shape to be decided according to bearing designation and load, and its bus convexity comprises: the convex and the protrusion amount of bearing inner race 1, bearing outer ring 2, roller 3 buses.The convex of raceway groove 11 is the logarithm hyperbolic shape in the bearing inner race 1, and the convex of bearing outer ring 2 outer raceway grooves 21 is the logarithm hyperbolic shape, and the convex of roller 3 external diameters is the logarithm hyperbolic shape.
This automobile-used tapered roller bearing is under the prerequisite that does not reduce the bearing rated load, by raceway groove 11, outer raceway groove 21 and roller 3 convexitys in strengthening, the choose reasonable protuberance shape, effectively control roller 3 ball basal plane radius scattered error and rib angles, reduce rib and ball base surface roughness, can reduce the tapered roller bearing friction torque significantly, reduce the fatigue damage of bearing, improve its life-span.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (5)
1, a kind of automobile-used tapered roller bearing, comprise bearing inner race (1), bearing outer ring (2), roller (3) and retainer (4), described retainer (4) is arranged between bearing inner race (1) and the bearing outer ring (2), described bearing outer ring (2) internal surface is provided with outer raceway groove (21), bearing inner race (1) internal surface is provided with interior raceway groove (11), described roller (3) is positioned between outer raceway groove (21) and the raceway groove (11), it is characterized in that described outer raceway groove (21), interior raceway groove (11) all are the logarithm hyperbolic shape with roller (3) and contact.
2, automobile-used tapered roller bearing according to claim 1, it is characterized in that, described bearing inner race (1), bearing outer ring (2) and roller (3) are the protrusion amount of employing logarithm hyperbolic shape to be decided according to bearing designation and load, and its bus convexity comprises: the convex and the protrusion amount of bearing inner race (1) bus, bearing outer ring (2) bus, roller (3) bus.
3, automobile-used tapered roller bearing according to claim 2 is characterized in that, the convex of described interior raceway groove (11) is the logarithm hyperbolic shape.
4, automobile-used tapered roller bearing according to claim 2 is characterized in that, the convex of described outer raceway groove (21) is the logarithm hyperbolic shape.
5, automobile-used tapered roller bearing according to claim 2 is characterized in that, the convex of described roller (3) external diameter is the logarithm hyperbolic shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201170288U CN201401439Y (en) | 2009-04-07 | 2009-04-07 | Tapered roller bearing for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201170288U CN201401439Y (en) | 2009-04-07 | 2009-04-07 | Tapered roller bearing for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201401439Y true CN201401439Y (en) | 2010-02-10 |
Family
ID=41661237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201170288U Expired - Fee Related CN201401439Y (en) | 2009-04-07 | 2009-04-07 | Tapered roller bearing for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201401439Y (en) |
-
2009
- 2009-04-07 CN CN2009201170288U patent/CN201401439Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Longfu Inventor before: Zhao Guoping |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: ZHAO GUOPING TO: WANG LONGFU |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100210 Termination date: 20180407 |