CN201423919Y - Constant velocity cardan joint assembly with wheel hub bearing unit - Google Patents
Constant velocity cardan joint assembly with wheel hub bearing unit Download PDFInfo
- Publication number
- CN201423919Y CN201423919Y CN2009203024017U CN200920302401U CN201423919Y CN 201423919 Y CN201423919 Y CN 201423919Y CN 2009203024017 U CN2009203024017 U CN 2009203024017U CN 200920302401 U CN200920302401 U CN 200920302401U CN 201423919 Y CN201423919 Y CN 201423919Y
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- China
- Prior art keywords
- wheel hub
- joint
- bearing unit
- fixed end
- universal
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- 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 relates to a constant velocity cardan joint assembly with a wheel hub bearing unit, belonging to the technical field of automobile production. The constant velocity cardan joint assembly comprises a wheel hub, a bearing unit and a fixed end cardan universal joint, wherein the fixed end cardan universal joint is matched with the inner spline of the wheel hub through the external spline on the handle portion thereof, the bearing unit consists of a flange type outer ring and two rows of rolling elements, the adjacent outer circles of the wheel hub and the outer circle of the cardan universal joint are commonly used as the inner ring of the bearing unit, a first circle of rolling way is formed on the outer circle of the wheel hub for rolling one of rows of the rolling elements, and a second circle of rolling way is formed on the outer circle of the fixed end cardan universal joint for rolling the other row of the rolling elements. The constant velocity cardan joint assembly has few element quantity, higher functional integration degree of the elements and smaller axial dimension, and the structure is more compact after the cardan universal joint is assembled with thewheel hub and bearing unit, the small-size and light weight can be realized, and the problems that the number of elements is more, the functional integration degree of the elements is lower, the axialdimension of the cardan universal joint is longer, the structure is more complicated after the cardan universal joint is assembled with the wheel hub unit, and the weight is heavy in the prior art can be solved.
Description
Technical field
The utility model relates to a kind of constant-velocity universal joint assembly of belt wheel hub bearing unit, belongs to technical field of automobile production and manufacture.
Technical background
Common constant-velocity universal joint and first or two, the three generations's hub-bearing unit of general employing matches on the drive wheel of car at present, be that bearing unit is fitted on the wheel hub, universal-joint adopts male splines to cooperate with the wheel hub female splines, and universal-joint location end face cooperates with the inner ring end face location of bearing unit.
As a kind of connection structure (patent No.: CN200410081753.6) that is used for wheel bearing and constant-velocity universal joint, wherein by using pendulum rolling forming technology or crowded forging process to make material plastic deformation, so that wheel bearing is connected with constant-velocity universal joint and assembles, this connection structure comprises: connection slot, and it is formed on the wheel bearing hub of wheel bearing; Otch, it is formed on the circumference of axle of constant-velocity universal joint, and above-mentioned axle is inserted in the wheel bearing hub, and is connected with the wheel bearing hub by spline; And circlip, it is inserted in the otch, this circlip is retracted in the process of axle being inserted the wheel bearing hub, and when circlip is positioned on the connection slot, this circlip returns to original state because of its elasticity and is inserted in the connection slot, thereby this circlip is arranged in connection slot and otch simultaneously.The bearing unit of above-mentioned patent is assemblied on the cylindrical of wheel hub fully, need be on the wheel hub cylindrical running in bearings inner ring, it exists number of parts more on the one hand, the functional integration of part is lower, the axial dimension of universal-joint is longer on the other hand, universal-joint and hub assembling back structure are comparatively complicated, and weight is heavier.
Summary of the invention
The utility model purpose is to provide a kind of number of parts less, the functional integration of part is higher, axial dimension is less, universal-joint and hub-bearing unit assembling back structure are comparatively compact, the constant-velocity universal joint assembly of the belt wheel hub bearing unit of energy miniaturization and, and the number of parts that has solved the prior art existence is more, the functional integration of part is lower, problems such as the axial dimension of universal-joint is longer, and universal-joint and hub assembling back structure are comparatively complicated, and weight is heavier.
Above-mentioned technical purpose of the present utility model mainly solves by the following technical programs: it comprises wheel hub, bearing unit and fixed end universal-joint, the fixed end universal-joint cooperates with the female splines of wheel hub by the male splines on its shank, described bearing unit comprises flange plate type outer ring and two row's rolling bodys, adjacent wheel hub cylindrical and fixed end universal-joint cylindrical are jointly as the inner ring of bearing unit, on the wheel hub cylindrical, form the first lap raceway for wherein row's rolling body rolling, on the cylindrical of fixed end universal-joint, form the second circle raceway for another row's rolling body rolling.The utility model constitutes the inner ring of bearing unit by the cylindrical of wheel hub and the cylindrical of universal-joint respectively jointly, thereby can shorten the axial length of wheel hub, promptly reached the entire length that shortens wheel hub and universal-joint, made universal-joint and bearing unit assembling back structure comparatively compact, and the energy miniaturization and; In addition, need not the inner ring that other part constitutes bearing unit, also reduced number of parts of the present utility model.Wherein, the flange plate type bearing top circle has played the effect that connects wheel hub and fixed end universal-joint, can finish the assembling of bearing unit in wheel hub that the fixed end universal-joint is packed into, thereby simplify assembling process of the present utility model.
As preferably, second raceway on the described fixed end universal-joint cylindrical is close to the external diameter of the external diameter of hub end one side less than the second raceway opposite side, thereby can play the axial thrust effect to rolling body.
As preferably, described fixed end universal-joint cylindrical is formed with step corresponding to the position of wheel hub end face, the wheel hub end face contacts with the end face of step, thereby can make between wheel hub and the fixed end universal-joint assembling more stable, prevents the mutual play between wheel hub and the fixed end universal-joint.
As preferably, the first lap raceway of described wheel hub cylindrical is near the external diameter of the fixed end universal-joint one side external diameter less than the first lap raceway opposite side of wheel hub cylindrical, thereby can play the axial thrust effect to rolling body.
As preferably, the end cylindrical that described wheel hub is adjacent with the fixed end universal-joint is formed with annular groove, and the external diameter of described bottom portion of groove is less than the outer end diameter of fixed end universal-joint.Wherein, can form the space of bigger lubricant between annular groove on the hub end cylindrical and the flange plate type outer ring inwall, to hold more lubricant.
As preferably, the outer wall of described flange plate type outer ring is formed with flange, is formed with some axial mounting holes on the described flange, and flange is corresponding near wheel hub end face and the fixed end universal-joint joint.Wherein, near being arranged on wheel hub end face and fixed end universal-joint joint, the flange of flange plate type outer ring can make flange stressed more even to the suspension strut of wheel hub and fixed end universal-joint.
As preferably, be respectively equipped with seal ring between the two ends inwall of the flange plate type outer ring of described bearing unit and wheel hub cylindrical and the fixed end universal-joint cylindrical.
Therefore, it is less to the utlity model has number of parts, and the functional integration of part is higher, and axial dimension is less, and universal-joint and hub-bearing unit assembling back structure are comparatively compact, can miniaturization and, and characteristics such as easy to assembly.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model.
The specific embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1: as shown in Figure 1, fixed end universal-joint 1 cooperates with the female splines of wheel hub 3 by the male splines on its shank 2, bearing unit comprises flange plate type outer ring 4 and two row's rolling bodys 5,6, the cylindrical of adjacent wheel hub 3 and the cylindrical of fixed end universal-joint 1 are jointly as the inner ring of bearing unit, on the cylindrical of wheel hub 3, form first lap raceway 7 for wherein row's rolling body 5 rollings, on the cylindrical of fixed end universal-joint 1, form the second circle raceway 8 for another row's rolling body 6 rollings.The external diameter Ф 1 of first lap raceway 7 close fixed end universal-joint 1 one sides of wheel hub 3 cylindricals is less than the external diameter Ф 2 of the first lap raceway opposite side of wheel hub cylindrical, and second raceway 8 on fixed end universal-joint 1 cylindrical is close to the external diameter Ф 4 of the external diameter Ф 3 of hub end one side less than the second raceway opposite side; Fixed end universal-joint 1 cylindrical is formed with step 9 corresponding to the position of wheel hub end face, the end face 10 of wheel hub 3 contacts with the end face of step 9, wheel hub 3 and fixed end universal-joint 1 adjacent end cylindrical is formed with annular groove 11, and the external diameter of groove 11 bottoms is less than the outer end diameter of fixed end universal-joint 1.The outer wall of flange plate type outer ring 4 is formed with flange 12, be formed with some axial mounting holes 13 on the flange, near the end face and fixed end universal-joint 1 joint of flange 12 corresponding to wheel hub 3, be respectively equipped with seal ring 14 between the two ends inwall of the flange plate type outer ring 4 of bearing unit and wheel hub cylindrical and the fixed end universal-joint cylindrical.
The inner ring of bearing unit is made of jointly the cylindrical of wheel hub and the cylindrical of universal-joint respectively, thereby can shorten the axial length of wheel hub, promptly reached the entire length that shortens wheel hub and universal-joint, made universal-joint and bearing unit assembling back structure comparatively compact, and the energy miniaturization and; In addition, need not the inner ring that other part constitutes bearing unit, also reduced number of parts of the present utility model.Wherein, the flange plate type bearing top circle has played the effect that connects wheel hub and fixed end universal-joint, can finish the assembling of bearing unit in wheel hub that the fixed end universal-joint is packed into, thereby simplify assembling process of the present utility model.
Claims (7)
1. the constant-velocity universal joint assembly of a belt wheel hub bearing unit, comprise wheel hub, bearing unit and fixed end universal-joint, it is characterized in that: the fixed end universal-joint cooperates with the female splines of wheel hub by the male splines on its shank, described bearing unit comprises flange plate type outer ring and two row's rolling bodys, adjacent wheel hub cylindrical and fixed end universal-joint cylindrical are jointly as the inner ring of bearing unit, on the wheel hub cylindrical, form the first lap raceway for wherein row's rolling body rolling, on the cylindrical of fixed end universal-joint, form the second circle raceway for another row's rolling body rolling.
2. the constant-velocity universal joint assembly of belt wheel hub bearing unit according to claim 1 is characterized in that second raceway on the described fixed end universal-joint cylindrical is close to the external diameter of the external diameter of hub end one side less than the second raceway opposite side.
3. the constant-velocity universal joint assembly of belt wheel hub bearing unit according to claim 1 and 2 is characterized in that described fixed end universal-joint cylindrical is formed with step corresponding to the position of wheel hub end face, and the wheel hub end face contacts with the end face of step.
4. the constant-velocity universal joint assembly of belt wheel hub bearing unit according to claim 1 and 2, the first lap raceway that it is characterized in that described wheel hub cylindrical is near the external diameter of the fixed end universal-joint one side external diameter less than the first lap raceway opposite side of wheel hub cylindrical.
5. the constant-velocity universal joint assembly of belt wheel hub bearing unit according to claim 1 and 2, it is characterized in that the described wheel hub end cylindrical adjacent with the fixed end universal-joint is formed with annular groove, the external diameter of described bottom portion of groove is less than the outer end diameter of fixed end universal-joint.
6. the constant-velocity universal joint assembly of belt wheel hub bearing unit according to claim 1 and 2, the outer wall that it is characterized in that described flange plate type outer ring is formed with flange, be formed with some axial mounting holes on the described flange, flange is corresponding near wheel hub end face and the fixed end universal-joint joint.
7. the constant-velocity universal joint assembly of belt wheel hub bearing unit according to claim 1 and 2 is characterized in that being respectively equipped with seal ring between the two ends inwall of flange plate type outer ring of described bearing unit and wheel hub cylindrical and the fixed end universal-joint cylindrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203024017U CN201423919Y (en) | 2009-04-21 | 2009-04-21 | Constant velocity cardan joint assembly with wheel hub bearing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203024017U CN201423919Y (en) | 2009-04-21 | 2009-04-21 | Constant velocity cardan joint assembly with wheel hub bearing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201423919Y true CN201423919Y (en) | 2010-03-17 |
Family
ID=42023356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203024017U Expired - Fee Related CN201423919Y (en) | 2009-04-21 | 2009-04-21 | Constant velocity cardan joint assembly with wheel hub bearing unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201423919Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101633292B (en) * | 2009-04-21 | 2011-09-14 | 万向钱潮股份有限公司 | Constant velocity universal joint assembly with hub bearing unit |
| CN107269725A (en) * | 2017-06-13 | 2017-10-20 | 北京新能源汽车股份有限公司 | A kind of drive shaft assembly and automobile |
| CN110762114A (en) * | 2019-11-15 | 2020-02-07 | 湖南美蓓达科技股份有限公司 | High-strength powder metallurgy hub bearing |
| CN115234581A (en) * | 2022-09-23 | 2022-10-25 | 万向钱潮股份公司 | Constant speed driving shaft device |
-
2009
- 2009-04-21 CN CN2009203024017U patent/CN201423919Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101633292B (en) * | 2009-04-21 | 2011-09-14 | 万向钱潮股份有限公司 | Constant velocity universal joint assembly with hub bearing unit |
| CN107269725A (en) * | 2017-06-13 | 2017-10-20 | 北京新能源汽车股份有限公司 | A kind of drive shaft assembly and automobile |
| CN110762114A (en) * | 2019-11-15 | 2020-02-07 | 湖南美蓓达科技股份有限公司 | High-strength powder metallurgy hub bearing |
| CN115234581A (en) * | 2022-09-23 | 2022-10-25 | 万向钱潮股份公司 | Constant speed driving shaft device |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100317 Termination date: 20180421 |