CN106379111A - Connecting structure of constant velocity universal joint and wheel hub and automobile - Google Patents
Connecting structure of constant velocity universal joint and wheel hub and automobile Download PDFInfo
- Publication number
- CN106379111A CN106379111A CN201611003542.XA CN201611003542A CN106379111A CN 106379111 A CN106379111 A CN 106379111A CN 201611003542 A CN201611003542 A CN 201611003542A CN 106379111 A CN106379111 A CN 106379111A
- Authority
- CN
- China
- Prior art keywords
- wheel hub
- constant velocity
- cardan joint
- velocity cardan
- cylindrical cavity
- 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.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 abstract description 8
- 238000002788 crimping Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/12—Torque-transmitting axles
- B60B35/14—Torque-transmitting axles composite or split, e.g. half- axles; Couplings between axle parts or sections
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/12—Torque-transmitting axles
- B60B35/121—Power-transmission from drive shaft to hub
- B60B35/127—Power-transmission from drive shaft to hub using universal joints
- B60B35/128—Power-transmission from drive shaft to hub using universal joints of the homokinetic or constant velocity type
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention relates to a connecting structure of a constant velocity universal joint and a wheel hub and an automobile. The connecting structure comprises the wheel hub, a steering knuckle, the constant velocity universal joint, bearings, bearing bolts, locking nuts and a self-locking nut, wherein a central inner cavity of the wheel hub extends from a wheel to the direction of the locking nuts, the central inner cavity sequentially comprises a first cylindrical inner cavity, a second cylindrical inner cavity, a third cylindrical inner cavity and a fourth cylindrical inner cavity; radii of the second cylindrical inner cavity and the fourth cylindrical inner cavity are identical and are respectively greater than the radius of the third cylindrical inner cavity; a plurality of sharp toothed protrusions are axially arranged on the side surface of the outer end of the constant velocity universal joint; the distance between tips of the sharp toothed protrusions and a central line of the outer end of the constant velocity universal joint is greater than the radius of the third cylindrical inner cavity; the hardness of the outer end of the constant velocity universal joint is greater than that of the wheel hub. According to the technical scheme, by means of a crimping structure of the outer end of the constant velocity universal joint and the inner cavity of the wheel hub, a connecting clearance between the wheel hub and the constant velocity universal joint is completely eliminated, the fluctuation of a transmission torque is eliminated, and transmission vibration and wheel vibration are reduced.
Description
Technical field
The invention belongs to automotive hub technical field, particularly relate to a kind of constant velocity cardan joint and wheel hub attachment structure and vapour
Car.
Background technology
The actuating device of driving moment be located at automotive transmission end, its function be by torque by differential mechanism half axle gear
Wheel passes to driving moment.The structural shape of driving moment actuating device is closely related with the structural shape of drive axle, in breakaway-element
In drive axle and steering and driving axle, the actuating device of driving moment includes semiaxis and card gear, and adopts constant speed more
Universal joint.
Still equal universal joint when changing of angle between two axles for the angular velocity of master and slave moving axis, referred to as constant speed ten thousand
Xiang Jie.In engineering, common structure has：Twin, curved grooved type, ball cage type, three axis of a cylinder formulas etc..On vehicle, constant velocity cardan joint is mostly
In the wheel drive of front-wheel drive or independent suspension vehicle, for the moment of torsion on semiaxis is directly transmitted to driving wheel,
And ensure semiaxis and wheel constant speed rotation, being beneficial to them being capable of normal work in polarizers of big angle scope.
In divided axle and steering and driving axle, power is first delivered to semiaxis from differential mechanism, then is delivered to by semiaxis
Constant velocity cardan joint, constant velocity cardan joint transfers power to wheel hub by spline and nut, and band motor car wheel runs.
The constant velocity cardan joint of prior art is all to be connected with wheel hub by spline, on the spline and constant velocity cardan joint on wheel hub
Spline due to there is fit clearance, although this fit clearance very little, be just exaggerated with ground contact position in tire, vehicle
Power transmission unstable, cause Vehicular vibration, meanwhile, on wheel hub and constant velocity cardan joint process spline, not only processed complex and
And high cost.
Quality with scientific and technological development and parts steps up, and the life-span of parts substantially meets the life-span of car load,
Even more than car load, need not change parts because of reasons such as abrasion, crackings therefore during car load use, in such as present wheel side
Bearing be all non-maintaining, the life-span is also higher than integeral vehicle life, so, can not consider during parts design frequently to dismount.
It is illustrated in figure 1 the constant velocity cardan joint of prior art and the attachment structure of wheel hub, including wheel hub 01, bearing 02, turn
To section 03, constant velocity cardan joint 04, connect spline 05 and locking nut 06；The constant velocity cardan joint of prior art be all by spline with
Wheel hub connects.
The connection spline connecting on spline and constant velocity cardan joint on wheel hub due to there is fit clearance, this fit clearance
Although very little, just it is exaggerated with ground contact position in tire, vehicle power transmission is unstable, causes Vehicular vibration, meanwhile,
On wheel hub and constant velocity cardan joint, processing connects spline, not only processed complex but also high cost.
Content of the invention
It is an object of the invention to provide a kind of automobile with wheel hub attachment structure and using this attachment structure for constant velocity cardan joint,
To solve the joint gap of wheel hub and constant velocity cardan joint, the transmission fluctuation of moment and the problem of Vehicular vibration.
The present invention is achieved by the following technical solutions：
A kind of constant velocity cardan joint and wheel hub attachment structure, including wheel hub, knuckle, constant velocity cardan joint, bearing, bearing spiral shell
Bolt, locking nut and self-locking screw；
Described bearing is fixed on described knuckle by described bearing bolt；The bearing rib of described wheel hub is pressed into described axle
The inner ring holding, described wheel hub is connected with described knuckle by the bearing rib end of described wheel hub by described locking nut；
When the central lumen of described wheel hub extends from wheel to described locking nut direction, include first successively cylindrical interior
Chamber, the second cylindrical cavity, the 3rd cylindrical cavity and the 4th cylindrical cavity；
Described first cylindrical cavity is that described self-locking screw installs via, the radius of described second cylindrical cavity and institute
State the 4th cylindrical cavity radius is identical and radius that be all higher than described 3rd cylindrical cavity；
It is provided with internal thread hole, in the side of the outer end of described constant velocity cardan joint on the end face of the outer end of described constant velocity cardan joint
Multiple sharp-tooth shapeds projections are axially provided with surface, the raised tip of described sharp-tooth shaped is in the outer end of described constant velocity cardan joint
The distance of heart line is more than the radius of described 3rd cylindrical cavity；
The hardness of the outer end of described constant velocity cardan joint is more than the hardness of described wheel hub.
The radius of described 4th cylindrical cavity is more than the radius at least 1.5mm of described 3rd cylindrical cavity.
The angle of two raised sides of described sharp-tooth shaped is 90 degree.
The raised length of described sharp-tooth shaped is more than the length of described 3rd cylindrical cavity.
The distance of the centrage of outer end to described constant velocity cardan joint for the raised tip of described sharp-tooth shaped is more than the described 3rd
The radius 1mm of cylindrical cavity.
Also cylindrical boss is included, described cylinder between the outer end of described constant velocity cardan joint and the housing of constant velocity cardan joint
The diameter with diameter greater than described 4th cylindrical cavity of boss.
Also include ABS gear ring and wheel hub cover, described ABS gear ring is set in the bearing rib of described wheel hub, described wheel hub cover
It is connected on the outer face of described wheel hub.
A kind of automobile, includes the constant velocity cardan joint described in any of the above-described and wheel hub attachment structure.
The invention has the beneficial effects as follows：
The technical program such as passes through at the crimping structure of the outer end of whole universal joint and hub inner lumen, completely eliminate wheel hub with etc.
Joint gap between fast universal joint, eliminates the fluctuation of transmission moment, reduces transmission vibration and unsteadiness of wheels.
The technical program reduces manufacturing procedure, reduces production cost.
Brief description
Fig. 1 is prior art constant velocity cardan joint and wheel hub attachment structure schematic diagram；
Fig. 2 is wheel hub of the present invention and constant velocity cardan joint attachment structure schematic diagram；
Fig. 3 is sectional view at the A-A of Fig. 2；
Fig. 4 is enlarged drawing at the I of Fig. 3；
Fig. 5 is sectional view at the B-B of Fig. 4.
Description of reference numerals
01 wheel hub, 02 bearing, 03 knuckle, 04 constant velocity cardan joint, 05 connection spline, 06 locking nut, 1 wheel
Hub, 2 knuckles, 3 constant velocity cardan joints, 4 bearing bolts, 5 bearings, 6 locking nuts, 7 ABS gear rings, 8 wheel bolts, 9
Wheel hub cover, 10 self-locking screws, 101 first cylindrical cavities, 102 second cylindrical cavities, 103 the 3rd cylindrical cavities,
104 the 4th cylindrical cavities, the outer end of 301 constant velocity cardan joints, 302 cylindrical bosses, 303 sharp-tooth shapeds are raised.
Specific embodiment
To describe technical scheme by the following examples in detail, below example is only exemplary, only
Can be used for explaining and illustrate technical scheme, and be not to be construed as the restriction to technical solution of the present invention.
The application provides a kind of constant velocity cardan joint and wheel hub attachment structure, as shown in Figures 2 to 5, including wheel hub 1, turns to
Section 2, constant velocity cardan joint 3, bearing 5, bearing bolt 4, locking nut 6 and self-locking screw 10；Also include ABS gear ring 7 and wheel hub cover
9.
In the technical program, the material that each part is used is all same as the prior art.In this application, so-called outer
End or outside refer to that one end of nearly wheel, inner side or the inner are one end relative with outside or outer end.
Bearing 5 is fixed on knuckle by bearing bolt 4；In the technical program, it is will by multiple bearing bolts
Bearing is fixed on knuckle, and wheel bolt 8 is pressed on wheel hub 1, the bearing rib of wheel hub is pressed into the inner ring of bearing, loads onto
ABS gear ring 7, wheel hub is connected with knuckle by the bearing rib end of wheel hub by locking nut；Complete to take turns the assembling of side assembly, use car
Wheel is fixed on wheel hub for wheel nut and wheel bolt, and such power is just delivered to wheel hub from constant velocity cardan joint, then is delivered to
On wheel, the finally rotation with motor car wheel.
When the central lumen of wheel hub extends from wheel to locking nut direction, include successively the first cylindrical cavity 101,
Two cylindrical cavities 102, the 3rd cylindrical cavity 103 and the 4th cylindrical cavity 104.
First cylindrical cavity installs via, the radius of the second cylindrical cavity and the 4th cylindrical cavity for self-locking screw
Radius is identical and radius that be all higher than the 3rd cylindrical cavity；The radius of the 4th cylindrical cavity is more than the 3rd cylindrical cavity
Radius at least 1.5mm.
It is provided with internal thread hole, for coordinating with self-locking screw screw thread, in constant speed on the end face of the outer end of constant velocity cardan joint
Sharp-tooth shaped projection 303 is axially evenly equipped with the side surface of outer end 301 of universal joint, the raised tip of sharp-tooth shaped is to constant velocity cardan joint
The centrage of outer end distance be more than the 3rd cylindrical cavity radius；The angle of two raised sides of sharp-tooth shaped is about 90
Degree, in actual applications, the angle of two raised sides of sharp-tooth shaped can also be other angles, between such as 45 degree to 135 degree,
But preferably 90 degree.
The raised length of sharp-tooth shaped is more than the length of the 3rd cylindrical cavity.
The distance of the centrage to the outer end of constant velocity cardan joint for the raised tip of sharp-tooth shaped is more than the 3rd cylindrical cavity
Radius 1mm.
Cylindrical boss 302, cylindrical boss is also included between the outer end of constant velocity cardan joint and the housing of constant velocity cardan joint
The diameter with diameter greater than the 4th cylindrical cavity.
The hardness of the outer end of constant velocity cardan joint is more than the hardness of wheel hub, and the outer end of constant velocity cardan joint is pressed in wheel hub
Chambers, until cylindrical boss is pressed onto the inner terminal of wheel hub, in process of press in, the sharp-tooth shaped of constant velocity cardan joint outer end is raised
Extrude and cut the inner surface of the 3rd cylindrical cavity of wheel hub central lumen, finally load onto self-locking screw, so, constant velocity universal
Section is tightly held on wheel hub, does not have gap it is ensured that moment is smoothly transmitted.
Also include wheel hub cover 9, wheel hub cover is connected on the outer face of wheel hub.
The technical program also provides a kind of automobile, includes constant velocity cardan joint and the wheel hub of any of the above-described on this automobile
Attachment structure.
The description that the above is only the preferred embodiment of the present invention it is noted that due to the finiteness of literal expression, and
Objectively there is unlimited concrete structure, for those skilled in the art, without departing from the principle of the invention
On the premise of, some improvements and modifications can also be made, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of constant velocity cardan joint and wheel hub attachment structure it is characterised in that：Including wheel hub, knuckle, constant velocity cardan joint, axle
Hold, bearing bolt, locking nut and self-locking screw；
Described bearing is fixed on described knuckle by described bearing bolt；The bearing rib of described wheel hub is pressed into described bearing
Inner ring, described wheel hub is connected with described knuckle by the bearing rib end of described wheel hub by described locking nut；
When the central lumen of described wheel hub extends from wheel to described locking nut direction, include successively the first cylindrical cavity,
Second cylindrical cavity, the 3rd cylindrical cavity and the 4th cylindrical cavity；
Described first cylindrical cavity is that via installed by described self-locking screw, the radius of described second cylindrical cavity and described the
The radius of four cylindrical cavities is identical and radius that be all higher than described 3rd cylindrical cavity；
It is provided with internal thread hole, in the side surface of the outer end of described constant velocity cardan joint on the end face of the outer end of described constant velocity cardan joint
Upper axial direction is provided with multiple sharp-tooth shapeds projections, the centrage of the outer end to described constant velocity cardan joint for the raised tip of described sharp-tooth shaped
Distance be more than described 3rd cylindrical cavity radius；
The hardness of the outer end of described constant velocity cardan joint is more than the hardness of described wheel hub.
2. constant velocity cardan joint according to claim 1 and wheel hub attachment structure it is characterised in that：Described 4th is cylindrical interior
The radius in chamber is more than the radius at least 1.5mm of described 3rd cylindrical cavity.
3. constant velocity cardan joint according to claim 1 and wheel hub attachment structure it is characterised in that：Described sharp-tooth shaped projection
The angle of two sides is 90 degree.
4. constant velocity cardan joint according to claim 1 and wheel hub attachment structure it is characterised in that：Described sharp-tooth shaped projection
Length is more than the length of described 3rd cylindrical cavity.
5. constant velocity cardan joint according to claim 1 and wheel hub attachment structure it is characterised in that：Described sharp-tooth shaped projection
The distance of the most advanced and sophisticated centrage of outer end to described constant velocity cardan joint is more than the radius 1mm of described 3rd cylindrical cavity.
6. constant velocity cardan joint according to claim 1 and wheel hub attachment structure it is characterised in that：Described constant velocity cardan joint
Also include cylindrical boss between outer end and the housing of constant velocity cardan joint, described cylindrical boss with diameter greater than the described 4th circle
The diameter of cylindrical inner chamber.
7. constant velocity cardan joint according to claim 1 and wheel hub attachment structure it is characterised in that：Also include ABS gear ring and
Wheel hub cover, described ABS gear ring is set in the bearing rib of described wheel hub, and described wheel hub cover is connected in the outer face of described wheel hub
On.
8. a kind of automobile it is characterised in that：Include the constant velocity cardan joint any one of the claims 1 to 7 and wheel
Hub attachment structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611003542.XA CN106379111B (en) | 2016-11-15 | 2016-11-15 | A kind of constant velocity cardan joint and wheel hub connection structure and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611003542.XA CN106379111B (en) | 2016-11-15 | 2016-11-15 | A kind of constant velocity cardan joint and wheel hub connection structure and automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106379111A true CN106379111A (en) | 2017-02-08 |
| CN106379111B CN106379111B (en) | 2018-12-14 |
Family
ID=57959036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611003542.XA Expired - Fee Related CN106379111B (en) | 2016-11-15 | 2016-11-15 | A kind of constant velocity cardan joint and wheel hub connection structure and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106379111B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001105806A (en) * | 1999-10-12 | 2001-04-17 | Ntn Corp | Bearing device for wheel |
| JP2002120506A (en) * | 2000-10-19 | 2002-04-23 | Nsk Ltd | Bearing unit for driving wheel |
| CN1856658A (en) * | 2003-07-10 | 2006-11-01 | 法格库格尔菲舍尔无限责任公司 | Bearing ring and wheel bearing unit |
| CN201268197Y (en) * | 2008-09-11 | 2009-07-08 | 湖北新火炬科技股份有限公司 | Sedan car hub drive assembly |
| CN101626904A (en) * | 2007-03-07 | 2010-01-13 | Ntn株式会社 | Drive wheels bearing arrangement and assemble method thereof |
-
2016
- 2016-11-15 CN CN201611003542.XA patent/CN106379111B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001105806A (en) * | 1999-10-12 | 2001-04-17 | Ntn Corp | Bearing device for wheel |
| JP2002120506A (en) * | 2000-10-19 | 2002-04-23 | Nsk Ltd | Bearing unit for driving wheel |
| CN1856658A (en) * | 2003-07-10 | 2006-11-01 | 法格库格尔菲舍尔无限责任公司 | Bearing ring and wheel bearing unit |
| CN101626904A (en) * | 2007-03-07 | 2010-01-13 | Ntn株式会社 | Drive wheels bearing arrangement and assemble method thereof |
| CN201268197Y (en) * | 2008-09-11 | 2009-07-08 | 湖北新火炬科技股份有限公司 | Sedan car hub drive assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106379111B (en) | 2018-12-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| CB02 | Change of applicant information |
Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant after: ANHUI JIANGHUAI AUTOMOBILE GROUP Corp.,Ltd. Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant before: ANHUI JIANGHUAI AUTOMOBILE Co.,Ltd. |
|
| COR | Change of bibliographic data | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| 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: 20181214 |