CN201827243U - Inner ring structure of hub bearing - Google Patents
Inner ring structure of hub bearing Download PDFInfo
- Publication number
- CN201827243U CN201827243U CN2010205874790U CN201020587479U CN201827243U CN 201827243 U CN201827243 U CN 201827243U CN 2010205874790 U CN2010205874790 U CN 2010205874790U CN 201020587479 U CN201020587479 U CN 201020587479U CN 201827243 U CN201827243 U CN 201827243U
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- CN
- China
- Prior art keywords
- bearing
- inner ring
- bearing inner
- ball
- arcuate furrow
- 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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Abstract
The utility model relates to an inner ring structure of a hub bearing. A raceway arc surface matched with a ball is arranged on the periphery of a bearing inner ring, the raceway arc surface of the bearing inner ring is arranged at one side of the small-end-axle side and is provided with an arc groove at the small-end-axle side, and the edge diameter of the arc groove is greater than the diameter of the bottom of the arc groove. The improved bearing inner ring is provided with a locking port peripherally formed at an arc groove at the small-end-surface side, so that the ball has certain locking capacity; when in assembly, the bearing inner ring can be pressed into a bearing outer ring and the ball smoothly by the elastic deformation of material, and the bearing inner ring does not fall off the bearing outer ring easily after being arranged in the bearing outer ring, thus achieving the function of self-locking through the locking port; and the inner ring structure of the hub bearing is reasonable, is convenient to install, and improves the assembling efficiency and the quality of the hub bearing.
Description
Technical field
The utility model relates to coil structures in a kind of hub bearing, belongs to the hub bearing technical field.
Background technique
Hub bearing is installed on the wheel shaft of vehicle, mainly plays a part load-bearing and for the rotation of wheel hub provides accurate guiding, it not only bears thrust load but also bear radial load, is very important component on the axletree.For first and second generation hub bearing mainly form by a bearing outer ring and two bearing inner races and retainer and ball and sealing unit, each ball is installed in the earlier interior and bearing outer ring assembling of positioning hole of retainer separately respectively, the two bearings inner ring is assembled again.But in the hub bearing assembling process, bearing inner race only has the raceway cambered surface that matches with ball, and no fore shaft mechanism on the raceway cambered surface, therefore in the time of on hub bearing is packed hub spindle into, cause the bearing inner race of a side very easily to come off, not only influence the efficiency of assembling of hub bearing, and can have influence on the hub bearing quality.
Summary of the invention
The purpose of this utility model provides a kind of rational in infrastructure, coil structures in the hub bearing easy to assembly.
The utility model is that the technological scheme that achieves the above object is: coil structures in a kind of hub bearing, the bearing inner race periphery has the raceway cambered surface that matches with ball, it is characterized in that, the raceway cambered surface of described bearing inner race is positioned at small end axle one side and is provided with arcuate furrow, and the limes marginis diameter of arcuate furrow is greater than the groover rot diameter of arcuate furrow.
Wherein: the limes marginis diameter of described arcuate furrow and the groover rot diameter of arcuate furrow 3 differ between 0.1～0.3mm.
The bottom land of described arcuate furrow and raceway cambered surface are tangent.
The utility model improves the bearing inner race of hub bearing, be positioned at small end axle one side in the raceway cambered surface of bearing inner race and be provided with an arcuate furrow, because the limes marginis diameter of arcuate furrow is greater than the groover rot diameter of arcuate furrow, make the bearing inner race after the improvement form a fore shaft at its small end face one side arcuate furrow place, utilize the resiliently deformable of material during assembling and make bearing inner race can be pressed into bearing outer ring and ball smoothly, because the arcuate furrow of bearing inner race has certain hold depth, make the inscribed circle diameter of the external diameter of the arc limes marginis on the bearing inner race greater than ball in the retainer, thereby circumferentially forming a fore shaft at bearing inner race, after bearing inner race is packed bearing outer ring into, be difficult for from the bearing outer ring assembly, deviating from again, the utility model carries out self-locking by the fore shaft on the bearing inner race to ball, bearing inner race can not split away off from bearing outer ring and retainer, rational in infrastructure, easy for installation, improved hub bearing efficiency of assembling and quality.
Description of drawings
Below in conjunction with accompanying drawing embodiment of the present utility model is further described.
Fig. 1 is the structural representation with the utility model hub bearing inner ring.
Fig. 2 is that the utility model is installed in the structural representation on the hub bearing.
Wherein: 1-bearing inner race, 2-limes marginis, 3-arcuate furrow, 4-raceway cambered surface, 5-bearing outer ring, 6-ball, 7-retainer.
Embodiment
See shown in Figure 1, coil structures in the utility model hub bearing, the periphery of this bearing inner race 1 has the raceway cambered surface 4 that matches with ball 6, the raceway cambered surface 4 of bearing inner race 1 is positioned at small end axle one side and is provided with arcuate furrow 3, limes marginis 2 diameters of this arcuate furrow 3 are greater than the groover rot diameter of arcuate furrow 3, and the bottom land of arcuate furrow 3 and raceway cambered surface 4 are tangent, limes marginis 2 diameters of arcuate furrow 3 of the present utility model and the groover rot diameter of arcuate furrow 3 differ between 0.1～0.3mm, thereby are circumferentially forming a fore shaft at bearing inner race 1.See shown in Figure 2, it is the hub bearing that adopts bearing inner race 1 of the present utility model, the internal diameter of bearing outer ring 5 is arranged with two rolling cambered surfaces that match with ball 6, the a plurality of ball 6 that is installed on two retainers 7 is connected with bearing outer ring 5 with bearing inner race 1 respectively, be that ball 6 joins with the raceway cambered surface of bearing outer ring 5 and the raceway cambered surface 4 of bearing inner race 1 respectively, at this moment, the limes marginis 2 of arcuate furrow 3 forms one to ball 6 axially movable fore shafts on the utility model bearing inner race 1, bearing inner race 1 can not split away off from bearing outer ring 5 and retainer 7, and realize the function of self-locking.
Claims (3)
1. coil structures in the hub bearing, bearing inner race (1) periphery has the raceway cambered surface (4) that matches with ball, it is characterized in that: the raceway cambered surface (4) of described bearing inner race (1) is positioned at small end axle one side and is provided with arcuate furrow (3), and limes marginis (2) diameter of arcuate furrow (3) is greater than the groover rot diameter of arcuate furrow (3).
2. coil structures in the hub bearing according to claim 1, it is characterized in that: limes marginis (2) diameter of described arcuate furrow (3) and the groover rot diameter of arcuate furrow (3) differ between 0.1～0.3mm.
3. coil structures in the hub bearing according to claim 1, it is characterized in that: the bottom land of described arcuate furrow (3) and raceway cambered surface (4) are tangent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205874790U CN201827243U (en) | 2010-10-28 | 2010-10-28 | Inner ring structure of hub bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205874790U CN201827243U (en) | 2010-10-28 | 2010-10-28 | Inner ring structure of hub bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201827243U true CN201827243U (en) | 2011-05-11 |
Family
ID=43965782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205874790U Expired - Lifetime CN201827243U (en) | 2010-10-28 | 2010-10-28 | Inner ring structure of hub bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201827243U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102825548A (en) * | 2012-08-28 | 2012-12-19 | 无锡市三立轴承有限公司 | Diamond finishing roller |
-
2010
- 2010-10-28 CN CN2010205874790U patent/CN201827243U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102825548A (en) * | 2012-08-28 | 2012-12-19 | 无锡市三立轴承有限公司 | Diamond finishing roller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110511 |
|
| CX01 | Expiry of patent term |