CN104401188B - Drive shaft-hub joint structure and automobile transmission system - Google Patents
Drive shaft-hub joint structure and automobile transmission system Download PDFInfo
- Publication number
- CN104401188B CN104401188B CN201410707706.1A CN201410707706A CN104401188B CN 104401188 B CN104401188 B CN 104401188B CN 201410707706 A CN201410707706 A CN 201410707706A CN 104401188 B CN104401188 B CN 104401188B
- Authority
- CN
- China
- Prior art keywords
- drive shaft
- wheel hub
- spline
- taper
- attachment structure
- 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
Links
Abstract
The invention provides a drive shaft-hub joint structure and an automobile transmission system. The drive shaft-hub joint structure comprises a drive shaft, a universal joint and a hub flange plate, all of which are orderly in transmission connection with each other; the universal joint is in transmission connection with the hub flange plate by use of tapered internal and external splines. The drive shaft-hub joint structure is more steady and reliable in power transfer; besides, the problem of abnormal sound due to poor spline engagement at automobile starting or reversing is eliminated.
Description
Technical field
The present invention relates to car transmissions technical field, more particularly to a kind of drive shaft and wheel hub attachment structure and automobile
Drive system.
Background technology
With car load driving system and NVH (Noise, Vibration, Harshness of the people to automobile；Noise, vibration
With sound vibration roughness) performance requirement more and more higher, each component structural in chassis and performance design also constantly lifting, drive shaft
For parts very important in drive train power transmittance process, the car arranged in forerunner's transverse engine or SUV vehicles
In design, as shown in figure 1, drive shaft 01 is connected with universal joint 02, universal joint 02 is inside and outside by straight-tooth with hub assembly 03
Involute spline 04 connects.
But, because after the inside and outside spline fitted of straight-tooth can there is gap in flank, and the external ball cage shaft shoulder and hub bearing inner ring
It is bonded to each other, and forward driving axle lock nut carries out pretension, vehicle start or brake hard, i.e., when electromotor leads to dynamic loading
When crossing variator and being transferred to drive shaft road wheel end, inside and outside spline produces relative motion, so that the drive shaft shaft shoulder is (i.e. with wheel
Hub bearing inner race matching part) viscous friction is produced with hub contacts end face, cause the generation of " click, click " abnormal sound, and with
The increase of VMT Vehicle-Miles of Travel, the frequency more and more higher that abnormal sound problem occurs.Sometimes also there is abnormal sound in the case of retroversion and turning
Problem occurs, and affects car load NVH performances；And said structure dismounting drive shaft in maintenance is inconvenient, causes customer greatly to complain
With the waste of after-sales service cost.
The content of the invention
In view of this, it is contemplated that proposing a kind of drive shaft and wheel hub attachment structure and car transmissions, to improve
The problem of abnormal sound is produced when vehicle start or brake hard.
To reach above-mentioned purpose, the technical scheme is that what is be achieved in that：
A kind of drive shaft and wheel hub attachment structure, including the drive shaft, universal joint and wheelboss flange that are connected successively
Disk, is connected between the universal joint and the wheelboss flange disk by the inside and outside spline drived with taper.
Further, the taper of the inside and outside spline with taper is 1:20～3:20.
Further, the universal joint is fixed pattern rzeppa joint, and the universal joint includes actively fork and from moving fork,
The active fork is fixedly connected with the drive shaft, described to be connected with active fork from moving fork one end, and the other end is provided with band cone
The involute inner spline of degree, the inner of the wheelboss flange disk is provided with connecting shaft, and the connecting shaft outer surface is provided with taper
Involute outer spline, the taper of the involute inner spline is identical with the taper of the involute outer spline, described from moving fork
Involute inner spline is connected with the involute outer spline of the connecting shaft.
Further, the active fork includes planet set, and the planet set is connected with the drive shaft by spline drived,
The outer wall of the planet set is provided with interior raceway for one week, and multiple balls are provided with the interior raceway, and the ball is interior by being sheathed on
Retainer positioning outside raceway, the retainer fixed sleeves are provided with outer raceway, described detachable with the outer raceway from moving fork
Connection.
Further, it is described to be detachably connected by securing member with the outer raceway from moving fork, the outer end of the outer raceway
Face is provided with the first connecting hole, described to include the flange relative with the outer raceway from moving fork, and the second company is offered on the flange
Hole is connect, the active is pitched and is detachably connected from moving fork by the securing member by the first connecting hole and the second connecting hole.
Further, axial limiting is carried out by jump ring and axial back-up ring between the planet set and the drive shaft.
Further, the drive shaft is also arranged with sheath and connect cover near one end of universal joint, and the one of the sheath
End be tightly connected with the drive shaft, the other end is tightly connected with one end of the connect cover, the other end of the connect cover with
The outer raceway is tightly connected.
Further, active fork is provided with dust cover near from one end of moving fork, one week edge of the dust cover and
The end face seal connection of the outer raceway.
Further, the end of the connecting shaft of the wheelboss flange disk is provided with external screw thread, and the end of the connecting shaft is stretched out
It is described to be fastened by nut from after moving fork.
Present invention also offers a kind of car transmissions, the car transmissions are provided with any of the above-described technical scheme
Described in drive shaft and wheel hub attachment structure.
Relative to prior art, drive shaft of the present invention has following with wheel hub attachment structure and car transmissions
Advantage：
The drive shaft of the present invention and wheel hub attachment structure and car transmissions, due between universal joint and wheelboss flange disk
Connected by the spline drived with taper, compared with the inside and outside spline of the straight-tooth of prior art or end face spline connection, with taper
Inside and outside spline can take into account the advantage of the inside and outside spline of straight-tooth and end face spline, and overcome the shortcoming of the two, due to band taper
Inside and outside spline axially with after certain taper, therefore internal spline and external splines tight fit, being tight patch between inside and outside spline
Close, radial and axial gap will not be produced.Therefore power transmission is more steady, reliable, and eliminate vehicle start or
During reversing, the abnormal sound problem caused because spline engagement is bad.
Description of the drawings
The accompanying drawing for constituting the part of the present invention is used for providing a further understanding of the present invention, the schematic reality of the present invention
Apply example and its illustrate, for explaining the present invention, not constituting inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the drive shaft and wheel hub attachment structure schematic diagram of prior art；
Fig. 2 is the drive shaft and wheel hub attachment structure schematic diagram described in the embodiment of the present invention；
Fig. 3 is drive shaft in the embodiment of the present invention and actively pitch the structural representation that is connected；
Fig. 4 is the structural representation being connected with wheelboss flange disk from moving fork in the embodiment of the present invention.
Description of reference numerals：
1- drive shafts, 2- universal joints, 3- wheelboss flange disks, inside and outside splines of the 4- with taper, 5- jump rings, 6- axial directions back-up ring,
7- sheaths, 8- connect covers, 9- dust covers, the 11- shaft shoulders, 21- is actively pitched, and 22- is from moving fork, 31- connecting shafts, 32- nuts, 211- rows
Star set, raceway in 212-, 213- balls, 214- retainers, the outer raceways of 215-, the connecting holes of 216- first, 221- flanges, 222- the
Two connecting holes.
Specific embodiment
It should be noted that in the case where not conflicting, the embodiment and the feature in embodiment in the present invention can phase
Mutually combination.
Below with reference to the accompanying drawings and in conjunction with the embodiments describing the present invention in detail.
As shown in Fig. 2 a kind of drive shaft and wheel hub attachment structure, including the drive shaft 1, universal joint 2 that are connected successively
And wheelboss flange disk 3, it is connected by the inside and outside spline 4 with taper between the universal joint and the wheelboss flange disk.
Drive shaft and the wheel hub attachment structure of the present invention, due between universal joint 2 and wheelboss flange disk 3 by with taper
Inside and outside spline 4 is connected, compared with the inside and outside spline of the straight-tooth of prior art or end face spline connection, with the inside and outside of taper
Involute spline can take into account the advantage of the inside and outside spline of straight-tooth and end face spline, and overcome the shortcoming of the two, due to band taper
Inside and outside spline 4 coordinate when, as shown in Fig. 2 spline is vertically inclined, with certain taper, therefore inside and outside spline is tight
After cooperation, it is brought into close contact between inside and outside spline, radial and axial gap will not be produced.So that power is transmitted more
Plus it is steady, reliable, and when eliminating vehicle start or reversing, the abnormal sound problem caused because spline engagement is bad.
Specifically, when the taper of the inside and outside spline 4 with taper is selected, preferred scope is 1:20～3:20, in this scope
Interior value can cause power transmission more steady, and the effect in the gap that can cause to eliminate radial and axial is more preferable.Wherein, on
Most preferred taper value is 1 in the range of stating:10, select this taper value to cause power transmission effect and eliminate the effect in gap
Reach optimal.
Wherein, when the spline of universal joint 2 and wheelboss flange disk 3 is arranged, internal spline can be set on universal joint 2,
External splines is set on wheelboss flange disk 3, it is also possible to which external splines is set on universal joint 2, interior flower is set on wheelboss flange disk 3
Key, wherein, spline species can be involute spline or rectangular spline, because involute spline has bearing capacity strong, easily from
Dynamic centering, the advantages of installation accuracy is high, therefore preferably involute spline.Said by taking fixed pattern rzeppa joint as an example below
Bright, as shown in Figure 2, Figure 3, Figure 4, universal joint 2 includes actively pitching 21 and from moving fork 22, described actively to pitch 21 with the drive shaft 1
It is fixedly connected, described actively to pitch 21 and be connected with described from the one end of moving fork 22, the other end is provided with bellmouth, edge on the inwall of bellmouth
The taper of bellmouth offers involute inner spline, and the inner of the wheelboss flange disk 3 is provided with connecting shaft 31, at least described in one section
The outer surface of connecting shaft 31 is taper surface, and the taper of taper surface is identical with the taper of bellmouth, along the cone of taper surface on taper surface
Degree offers involute outer spline, and the internal spline from moving fork 22 is connected with the external splines of the connecting shaft 31.
For the convenient dismounting drive shaft 1 in maintenance, can actively pitching universal joint 2 21 and be set to from moving fork 22 removable
Connection is unloaded, as shown in Figure 2 and Figure 3, actively pitching 21 includes being sheathed on the planet set 211 of the end of the drive shaft 1, the planet set
211 are connected with the drive shaft 1 by spline drived, and the outer wall of the planet set 211 is provided with interior raceway 212 for one week, described interior
Multiple balls 213 are provided with raceway 212, the ball 213 is positioned by the retainer 214 being sheathed on outside interior raceway 212, described
The fixed sleeves of retainer 214 are provided with outer raceway 215, described to be detachably connected with the outer raceway 215 from moving fork 22.Thus, when
When needing dismounting or changing drive shaft 1, it is only necessary to will take apart with outer raceway 215 from moving fork 22, without the need for dismantling other zero
Part, so as to reduce labor intensity, it is to avoid the damage in unloading process to other parts, and ensure that other parts
Service life, there is provided the feasibility of after-sales service drive shaft.
In the above-described embodiments, it is detachably connected by securing member with outer raceway 215 from moving fork 22, for example, can passes through spiral shell
Bolt, screw, pin, rivet etc. connect.Specifically, as shown in Figure 2, Figure 3, Figure 4, first can be arranged in the outer face of outer raceway 215
Connecting hole 216, the first connecting hole 216 can be equally distributed multiple, arrange and the outer raceway from one end of moving fork 22
215 relative flanges 221, and the first connecting hole of correspondence opens up the second connecting hole 222 on flange 221, makes securing member (in figure not
Illustrate) actively pitch described 21 and be detachably connected from moving fork 22 by the first connecting hole 216 and the second connecting hole 222.
So as to while transmitting torque is realized so that can conveniently dismantle with outer raceway 215 from moving fork 22.
In order to prevent drive shaft 1 from deviating from from universal joint 2, can be in planet set 211 and the axially arranged jump ring 5 of drive shaft 1
Combining with axial back-up ring 6 carries out spacing, and the shaft shoulder for carrying out axial limiting to planet set 211 is provided in drive shaft 1
11, jump ring 5 is fixed in the jump-ring slot of drive shaft 1, after drive shaft 1 and planet cover 211 spline engagement, jump ring 5 and planet set
The jump-ring slot of 211 inwalls coordinates carries out axial limiting, and the end of drive shaft 1 increase axial back-up ring 6 carry out it is secondary spacing,
The outer face of planet set 211 and axial back-up ring 6 against, it is ensured that drive shaft 1 and planet set 211 attachment force, so as to eliminate in dress
During matching somebody with somebody, pulling-out force is wayward so that jump ring deformation or the problem that cannot be flicked after drive shaft 1 is assembled with universal joint 2；
Finally avoid the problem generation that drive shaft 1 is deviate from from universal joint 2.
Further, can be provided for carrying out planet set 211 shaft shoulder 11 of axial limiting in drive shaft 1.So as to can
Prevent from being pressed into the crimp of jump ring 5 when drive shaft 1 covers 211 spline with planet.
The drive shaft 1 is also arranged with sheath 7 and connect cover 8 near one end of universal joint 2, one end of sheath 7 with it is described
Drive shaft 1 is tightly connected, and the other end is tightly connected with one end of the connect cover 8, and the other end of the connect cover 8 is outer with described
Raceway 215 is tightly connected.Wherein, connect cover 8 is preferably the sheet metal component that metal material makes.Thus, increased the high temperature of universal joint 2
When area of dissipation, improve the service life of sheath 7.
Due to actively pitching 21 and detachable from moving fork 22, in order to prevent dust after dismantling from entering in the alley for actively pitching 21,
It is preferred that dust cover 9 is set near from one end of moving fork 22 actively pitching 21, can be by the one of dust cover week edge and the outer raceway
215 end face seal connection.So as to can blocks dust enter and actively pitch in 21 alley, improve the service life of universal joint 2.
In order that the connecting shaft 31 of wheelboss flange disk 3 being capable of tight fit with from moving fork 22, it is preferred to use in wheelboss flange disk 3
Connecting shaft 31 inner end arrange external screw thread, when connecting shaft with from moving fork 22 after the inside and outside spline fitted with taper, can
Be screwed into nut 32 on the inner end external screw thread of connecting shaft 31 to be fastened so that the connecting shaft 31 of wheelboss flange disk 3 with
From moving fork 22 can tight fit, improve the engagement effect of inside and outside spline.
Present invention also offers a kind of car transmissions, car transmissions are provided with the drive in any of the above-described embodiment
Moving axis and wheel hub attachment structure.
Due to the drive shaft used in the car transmissions of the present embodiment and wheel hub attachment structure and above-mentioned drive shaft
With in each embodiment of wheel hub attachment structure provide drive shaft it is identical with wheel hub attachment structure, therefore the two can solve the problem that it is identical
Technical problem, and reach identical Expected Results.
Other compositions of car transmissions with regard to the embodiment of the present invention etc. are well known to those skilled in the art,
Here is no longer described in detail.
These are only presently preferred embodiments of the present invention, not to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (9)
1. a kind of drive shaft and wheel hub attachment structure, including the drive shaft (1), universal joint (2) and wheel hub that are connected successively
Ring flange (3), it is characterised in that by the inside and outside flower with taper between the universal joint (2) and the wheelboss flange disk (3)
Key (4) is connected；
The universal joint (2) is fixed pattern rzeppa joint, and the universal joint (2) is including active fork (21) and from moving fork
(22), active fork (21) is fixedly connected with the drive shaft (1), described to pitch (21) from moving fork (22) one end with the active
Connection, the other end is provided with the involute inner spline with taper, and the inner of the wheelboss flange disk (3) is provided with connecting shaft (31), institute
State connecting shaft (31) outer surface and be provided with the involute outer spline with taper；
The end of the connecting shaft (31) of the wheelboss flange disk (3) is provided with external screw thread, and institute is stretched out in the end of the connecting shaft (31)
State from moving fork (22) and fastened by nut (32) afterwards.
2. drive shaft according to claim 1 and wheel hub attachment structure, it is characterised in that the inside and outside flower with taper
The taper of key (4) is 1:20～3:20.
3. drive shaft according to claim 1 and 2 and wheel hub attachment structure, it is characterised in that the involute inner spline
Taper it is identical with the taper of the involute outer spline, the involute inner spline from moving fork (22) and the connecting shaft
Involute outer spline is connected.
4. drive shaft according to claim 3 and wheel hub attachment structure, it is characterised in that active fork (21) is including row
Star set (211), the planet set (211) is connected with the drive shaft (1) by spline drived, outside the planet set (211)
Wall is provided with interior raceway for one week, and multiple balls (213) are provided with the interior raceway, and the ball (213) is by being sheathed on interior raceway
Outer retainer (214) positioning, retainer (214) fixed sleeves are provided with outer raceway (215), described from moving fork (22) and institute
State outer raceway (215) to be detachably connected.
5. drive shaft according to claim 4 and wheel hub attachment structure, it is characterised in that it is described from moving fork (22) with it is described
Outer raceway (215) is detachably connected by securing member, and the outer face of the outer raceway is provided with the first connecting hole (216), it is described from
Moving fork (22) includes the flange (221) relative with the outer raceway, and on the flange (221) the second connecting hole (222) is offered,
The securing member is by the first connecting hole (216) and the second connecting hole (222) by active fork (21) and can from moving fork (22)
Dismounting connection.
6. drive shaft according to claim 5 and wheel hub attachment structure, it is characterised in that the planet set (211) and institute
State and axial limiting is carried out by jump ring (5) and axial back-up ring (6) between drive shaft (1).
7. drive shaft according to claim 4 and wheel hub attachment structure, it is characterised in that the drive shaft (1) is near ten thousand
Sheath (7) and connect cover (8) are also arranged with to one end of section (2), one end and the drive shaft (1) of the sheath (7) are sealed
Connection, the other end is tightly connected with the one end of the connect cover (8), the other end and the outer raceway of the connect cover (8)
(215) it is tightly connected.
8. drive shaft according to claim 4 and wheel hub attachment structure, it is characterised in that active fork (21) near from
One end of moving fork (22) is provided with dust cover (9), and one week edge of the dust cover (9) is close with the end face of the outer raceway (215)
Envelope connection.
9. a kind of car transmissions, it is characterised in that the car transmissions are provided with any one of claim 1～8
Described drive shaft and wheel hub attachment structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410707706.1A CN104401188B (en) | 2014-11-27 | 2014-11-27 | Drive shaft-hub joint structure and automobile transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410707706.1A CN104401188B (en) | 2014-11-27 | 2014-11-27 | Drive shaft-hub joint structure and automobile transmission system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104401188A CN104401188A (en) | 2015-03-11 |
| CN104401188B true CN104401188B (en) | 2017-05-10 |
Family
ID=52638882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410707706.1A Expired - Fee Related CN104401188B (en) | 2014-11-27 | 2014-11-27 | Drive shaft-hub joint structure and automobile transmission system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104401188B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105522867A (en) * | 2015-12-30 | 2016-04-27 | 长安马自达汽车有限公司 | Novel hub bearing unit for driving wheel |
| CN108162690A (en) * | 2017-12-18 | 2018-06-15 | 浙江零跑科技有限公司 | Novel automobile axle shaft external ball cage |
| CN108189619A (en) * | 2017-12-19 | 2018-06-22 | 浙江零跑科技有限公司 | Novel steam vehicle wheel side power-transmission system |
| CN112706831B (en) * | 2019-10-25 | 2023-06-13 | 比亚迪股份有限公司 | Steering system and automobile |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4371214A (en) * | 1980-11-17 | 1983-02-01 | Motor Wheel Corporation | Bearing hub and carrier assembly for a driven steering wheel unit |
| US5494129A (en) * | 1993-11-18 | 1996-02-27 | Gkn Automotive Ag | Insertable unit for a bearing assembly |
| CN102848856A (en) * | 2012-09-25 | 2013-01-02 | 浙江吉利汽车研究院有限公司杭州分公司 | Device for controlling wheel hub to be combined with or separated from transmission system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3169054D1 (en) * | 1980-09-13 | 1985-03-28 | Gkn Transmissions Ltd | Bearing and universal joint assembly |
| JP2005170120A (en) * | 2003-12-09 | 2005-06-30 | Honda Motor Co Ltd | Bearing device for driving wheel |
| JP5323339B2 (en) * | 2007-10-17 | 2013-10-23 | Ｎｔｎ株式会社 | Wheel bearing device |
-
2014
- 2014-11-27 CN CN201410707706.1A patent/CN104401188B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4371214A (en) * | 1980-11-17 | 1983-02-01 | Motor Wheel Corporation | Bearing hub and carrier assembly for a driven steering wheel unit |
| US5494129A (en) * | 1993-11-18 | 1996-02-27 | Gkn Automotive Ag | Insertable unit for a bearing assembly |
| CN102848856A (en) * | 2012-09-25 | 2013-01-02 | 浙江吉利汽车研究院有限公司杭州分公司 | Device for controlling wheel hub to be combined with or separated from transmission system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104401188A (en) | 2015-03-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1939471B1 (en) | Bearing device for wheel | |
| US8616780B2 (en) | Bearing adjuster assembly | |
| JP5366665B2 (en) | Wheel bearing device | |
| CN104401188B (en) | Drive shaft-hub joint structure and automobile transmission system | |
| JP2007062647A (en) | Bearing device for driving wheel | |
| CN104245355A (en) | Structure and method for coupling wheel bearings | |
| JP6320695B2 (en) | Wheel bearing device and assembly method thereof | |
| CN104812591B (en) | Bearing device for wheel | |
| JP2008230487A (en) | Bearing device for driving wheel | |
| US9321311B2 (en) | Wheel support device | |
| JP2008256073A (en) | Bearing for wheel and bearing device for wheel having the same | |
| US9017175B2 (en) | Propshaft assembly | |
| JP2008002581A (en) | Bearing unit for drive wheel | |
| JP2007030690A (en) | Bearing device for driving wheel, and axle module equipped with the same | |
| WO2013015334A1 (en) | Wheel bearing assembly device and assembly method therefor | |
| JP2007162828A (en) | Wheel bearing device and axle module equipped therewith | |
| JP6279237B2 (en) | Wheel bearing device | |
| JP5143442B2 (en) | Drive wheel bearing device | |
| JP2010133482A (en) | Roller bearing device | |
| JP2007223459A (en) | Method of manufacturing power transmission mechanism | |
| WO2017195552A1 (en) | Sliding-type constant velocity universal joint and method for manufacturing same | |
| JP2013039872A (en) | Bearing apparatus for wheel | |
| JP4481966B2 (en) | Wheel bearing device for driving wheel | |
| JP2012020660A (en) | Drive unit for wheel | |
| JP2007168519A (en) | Bearing device for wheel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| 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: 20170510 Termination date: 20211127 |