CN101633292B - Constant velocity universal joint assembly with hub bearing unit - Google Patents
Constant velocity universal joint assembly with hub bearing unit Download PDFInfo
- Publication number
- CN101633292B CN101633292B CN2009103016956A CN200910301695A CN101633292B CN 101633292 B CN101633292 B CN 101633292B CN 2009103016956 A CN2009103016956 A CN 2009103016956A CN 200910301695 A CN200910301695 A CN 200910301695A CN 101633292 B CN101633292 B CN 101633292B
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- CN
- China
- Prior art keywords
- wheel hub
- joint
- bearing unit
- universal
- cylindrical
- Prior art date
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B27/00—Hubs
- B60B27/0094—Hubs one or more of the bearing races are formed by the hub
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B27/00—Hubs
- B60B27/0005—Hubs with ball bearings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B27/00—Hubs
- B60B27/0015—Hubs for driven wheels
- B60B27/0021—Hubs for driven wheels characterised by torque transmission means from drive axle
- B60B27/0026—Hubs for driven wheels characterised by torque transmission means from drive axle of the radial type, e.g. splined key
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B27/00—Hubs
- B60B27/0015—Hubs for driven wheels
- B60B27/0036—Hubs for driven wheels comprising homokinetic joints
- B60B27/0042—Hubs for driven wheels comprising homokinetic joints characterised by the fixation of the homokinetic joint to the hub
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention relates to a constant velocity universal joint assembly with a hub bearing unit, belonging to the technical field of automobile production and manufacture. The constant velocity universal joint assembly comprises a hub, a bearing unit and a fixed-end universal joint, wherein the fixed-end universal joint is matched with an internal spline of the hub through an external spline on the handle part of the fixed-end universal joint; the bearing unit comprises a flange type external ring and two rows of rollers; adjacent external circles of the hub and the fixed-end universal joint are together used as the internal ring of the bearing unit; a first ring of rolling ways are formed on the external circle of the hub for the rolling of one row of rollers; and a second ring of rolling ways are formed on the external circle of the fixed-end universal joint to be used for the rolling of the other row of rollers. The constant velocity universal joint assembly has less number of parts, higher functional integrated level of parts and smaller axial size, has compact structure after the universal joint and the hub bearing unit are assembled and can be miniaturized and lightened, thereby solving the problems of large number of parts, lower functional integrated level of parts, longer axial size of the universal joint, complicated structure after the universal joint and the hub unit are assembled, heavier weight and the like in the prior art.
Description
Technical field
The present invention relates to a kind of constant-velocity universal joint assembly of belt wheel hub bearing unit, belong 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 object of the invention 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 invention 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 present invention 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 invention.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 invention.
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 that the present invention 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 is 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 invention.
The specific embodiment
Below by embodiment, and in conjunction with the accompanying drawings, technical scheme of the present invention 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 Φ 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 Φ 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 Φ 4 of the external diameter Φ 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 invention.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 invention.
Claims (6)
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; 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.
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, 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.
6. 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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103016956A CN101633292B (en) | 2009-04-21 | 2009-04-21 | Constant velocity universal joint assembly with hub bearing unit |
| PCT/CN2009/071922 WO2010121444A1 (en) | 2009-04-21 | 2009-05-22 | Constant velocity joint with wheel hub bearing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103016956A CN101633292B (en) | 2009-04-21 | 2009-04-21 | Constant velocity universal joint assembly with hub bearing unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101633292A CN101633292A (en) | 2010-01-27 |
| CN101633292B true CN101633292B (en) | 2011-09-14 |
Family
ID=41592695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009103016956A Active CN101633292B (en) | 2009-04-21 | 2009-04-21 | Constant velocity universal joint assembly with hub bearing unit |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101633292B (en) |
| WO (1) | WO2010121444A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104802593B (en) * | 2015-04-16 | 2017-01-25 | 南京航空航天大学 | Wheel hub bearing unit |
| CN107215206A (en) * | 2016-03-22 | 2017-09-29 | 陕西通力专用汽车有限责任公司 | Expanded letter mine truck driver and its installation method, expanded letter mine truck |
| CN107269725B (en) * | 2017-06-13 | 2020-03-06 | 北京新能源汽车股份有限公司 | Drive shaft assembly and car |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1473718A (en) * | 2002-06-21 | 2004-02-11 | Ntn株式会社 | Wheel shaft bearing device |
| CN1255287C (en) * | 2000-09-29 | 2006-05-10 | 日本精工株式会社 | Bearing unit for wheel drive |
| CN201423919Y (en) * | 2009-04-21 | 2010-03-17 | 万向钱潮股份有限公司 | Constant velocity cardan joint assembly with wheel hub bearing unit |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6846242B1 (en) * | 2002-08-26 | 2005-01-25 | Lazaro Rivera | Universal joint assembly |
| KR20050069676A (en) * | 2003-12-31 | 2005-07-05 | 주식회사 일진베어링 | Shaft jointer for driving wheel bearing unit |
| CN2705653Y (en) * | 2004-03-12 | 2005-06-22 | 温州市冠盛汽车零部件制造有限公司 | Constant velocity universal joint hub bearing unit |
| ITTO20040313A1 (en) * | 2004-05-14 | 2004-08-14 | Skf Ab | COUPLING DEVICE BETWEEN A AUTOMATIC COUPLING AND A HUB OF A DRIVING WHEEL OF A MOTOR VEHICLE |
| CN100413725C (en) * | 2006-10-30 | 2008-08-27 | 孔素芳 | Automobile hub unit and universal joint combined assembly |
-
2009
- 2009-04-21 CN CN2009103016956A patent/CN101633292B/en active Active
- 2009-05-22 WO PCT/CN2009/071922 patent/WO2010121444A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1255287C (en) * | 2000-09-29 | 2006-05-10 | 日本精工株式会社 | Bearing unit for wheel drive |
| CN1473718A (en) * | 2002-06-21 | 2004-02-11 | Ntn株式会社 | Wheel shaft bearing device |
| CN201423919Y (en) * | 2009-04-21 | 2010-03-17 | 万向钱潮股份有限公司 | Constant velocity cardan joint assembly with wheel hub bearing unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101633292A (en) | 2010-01-27 |
| WO2010121444A1 (en) | 2010-10-28 |
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Address after: 311215 Wanxiang Road, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee after: Wanxiang Qianchao Co.,Ltd. Patentee after: WANXIANG GROUP Co.,Ltd. Address before: 311215, Wanxiang District, Xiaoshan District, Zhejiang, Hangzhou Wanxiang Group Technology Center Patentee before: WANXIANG QIANCHAO Co.,Ltd. Patentee before: WANXIANG GROUP Co.,Ltd. |
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