CN102619891A - Single sphere drive shaft assembly for constant velocity universal joint - Google Patents
Single sphere drive shaft assembly for constant velocity universal joint Download PDFInfo
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- CN102619891A CN102619891A CN2012100884499A CN201210088449A CN102619891A CN 102619891 A CN102619891 A CN 102619891A CN 2012100884499 A CN2012100884499 A CN 2012100884499A CN 201210088449 A CN201210088449 A CN 201210088449A CN 102619891 A CN102619891 A CN 102619891A
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- universal joint
- dirt
- proof boot
- constant velocity
- housing
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Abstract
The invention provides a single sphere drive shaft assembly for a constant velocity universal joint, and solves the problem that the dust cloth of the conventional driving shaft ages easily due to fatigue, has a shorted service life, and is complex in assembly process. The drive shaft assembly comprises a universal joint and a half shaft, and further comprises a dust cover, wherein the outer surface of the housing of the universal joint has an outer spherical surface part; the dust cover is made of Santoprene; the inner surface of the dust cover has an inner spherical surface part matched with the outer spherical surface part; one end of the dust cover is fixed on the half shaft; the other end of the dust cover is overlapped on the outer spherical surface part of the housing; and when the housing rotates relative to the dust cover, the open end of the housing is arranged in the dust cover all the time. The drive shaft assembly has the advantages that the service life of the dust cover is long and the structure is simple.
Description
Technical field
The present invention relates to a kind of single spheroid constant velocity universal joint drive spindle assembly.
Background technique
The constant velocity universal joint drive spindle assembly that is assembled on the car at present comprises fixed end universal joint, semiaxis, dirt-proof boot, slippage end universal joint assembly; Wherein, Dirt-proof boot is corrugated, and the one of which end is fixed on the semiaxis through clip, and the other end is fixed on the housing of fixed end universal joint through clip.The constant velocity universal joint drive spindle assembly of this structure need make during dirt-proof boot dirt-proof boot fixedly on semiaxis and the fixed end universal joint with the pliers clamping stirrup in assembling, the assembly technology complicacy.Moreover this dirt-proof boot is corrugated, and when Ackermann steer angle is that semiaxis becomes bigger angle with the fixed end universal joint, the ripple spacing of this dirt-proof boot one side can reduce even can stack, and direction is returned correct time, and dirt-proof boot restores.So repeatedly, then cause dirt-proof boot fatigue aging and breakage easily, shortened the working life of dirt-proof boot.Usually, on semiaxis, also adopt shaft block ring to make the star sleeve of semiaxis and fixed end universal joint keep relative fixed, and adopt slippage end universal joint that semiaxis can be moved axially at the differential mechanism end.The constant velocity universal joint drive spindle assembly complex structure of this structure, assembly process are many, increase the car manufacture cost.
Summary of the invention
In order to overcome disadvantages of background technology, the present invention provides a kind of dirt-proof boot long service life, single spheroid constant velocity universal joint drive spindle assembly simple in structure.
The technological scheme that the present invention adopts is: a kind of single spheroid constant velocity universal joint drive spindle assembly, comprise universal joint, semiaxis, and the housing outer surface of said universal joint has the ectosphere face; Also comprise by the mountain and all put down the dirt-proof boot that material is processed; The internal surface of said dirt-proof boot has with the facial suitable endosphere of said ectosphere facial; Said dirt-proof boot one end is fixed on the said semiaxis, the other end overlap joint on the ectosphere face of said housing and the said relatively dirt-proof boot of said housing when rotating the opening end of said housing drop on all the time in the said dirt-proof boot.
On the basis of such scheme and as the preferred version of such scheme: said dirt-proof boot is all put down material by the mountain and is processed.
On the basis of such scheme and as the preferred version of such scheme: the internal surface at said dirt-proof boot is provided with lug boss near open end, and the ectosphere face of said lug boss and said housing offsets.
On the basis of such scheme and as the preferred version of such scheme: said lug boss is line with said ectosphere face and contacts.
On the basis of such scheme and as the preferred version of such scheme: said lug boss is M shape, V-arrangement or fan-shaped along the cross section on the said dirt-proof boot axial direction.
On the basis of such scheme and as the preferred version of such scheme: also comprise spring ring, be provided with recess at the outer surface of said dirt-proof boot near open end, said spring ring is installed on the said recess.
On the basis of such scheme and as the preferred version of such scheme: said universal joint also comprises star sleeve, and said star sleeve and said semiaxis are only realized being in transmission connection through the spline tooth structure, and said semiaxis can move along the axial direction of said star sleeve.
The present invention compared with prior art its beneficial effect is: the present invention adopts has facial universal joint of ectosphere and the dirt-proof boot that is complementary with this universal joint; When the angle of universal joint and semiaxis formation changes; Dirt-proof boot and universal joint then change through the angle that relatively rotates to adapt to universal joint and semiaxis, do not have the situation of dirt-proof boot distortion.Therefore this dirt-proof boot has effectively been avoided fatigue aging, makes the long service life of dirt-proof boot and this drive shaft assembly simple in structure.
Description of drawings
Fig. 1 is the structural representation of the single spheroid constant velocity universal joint drive spindle assembly of the present invention.
Fig. 2 is the partial enlarged drawing at A place among Fig. 1.
Fig. 3 is the partial enlarged drawing at B place among Fig. 1.
Among the figure, the 1-universal joint, the 2-semiaxis, the 3-housing, the 4-ectosphere is facial, the 5-dirt-proof boot, the 6-endosphere is facial, 7-lug boss, 8-spring ring, 9-recess, 10-star sleeve, 11-opening end.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further specified:
As shown in Figure 1, a kind of single spheroid constant velocity universal joint drive spindle assembly of the present invention comprises universal joint 1, semiaxis 2, and the outer surface of the housing 3 of said universal joint has ectosphere facial 4; Also comprise dirt-proof boot 5; The internal surface of said dirt-proof boot 5 has the endosphere facial 6 suitable with said ectosphere facial 4; Said dirt-proof boot one end is fixed on the said semiaxis 2, the other end overlap joint on the ectosphere facial 4 of said housing and the said relatively dirt-proof boot of said housing when rotating the opening end 11 of said housing drop on all the time in the said dirt-proof boot 5.The present invention adopt dirt-proof boot overlap joint on the ectosphere face of housing and the said relatively dirt-proof boot of said housing when rotating the opening end of said housing drop on all the time in the said dirt-proof boot; Make and have relative sealed space between universal joint and the dirt-proof boot; Reach the dust-tight purpose, moreover the present invention adopts ectosphere inner ball surface bilge construction facial and that be complementary with this ectosphere face, when the angle of universal joint and semiaxis formation changes; Make universal joint and dirt-proof boot to change through the angle that relatively rotates to adapt to universal joint and semiaxis; And the situation that does not have dirt-proof boot distortion, so this dirt-proof boot effectively avoided fatigue aging, makes the long service life of dirt-proof boot.
In such scheme, dirt-proof boot preferably adopts all puts down (Santoprene) material by the mountain and processes.Likewise, also can process by other material.
As shown in Figure 2, get in the cavity between housing and dirt-proof boot in order to prevent dust, be provided with lug boss 7 at the internal surface of said dirt-proof boot near open end, the ectosphere face 4 of this lug boss and said housing offsets.
In order to reach the dust blowing better effects if, effectively to avoid dust to get into the purpose in the cavity, this lug boss 7 is line with ectosphere facial 4 and contacts.As shown in Figure 2, said lug boss is M shape along the cross section on the said dirt-proof boot axial direction, likewise, also possibly adopt V-arrangement or fan-shaped.Certainly lug boss also can adopt other shape, but adopts M shape, V-arrangement or fan-shaped structure, and lug boss contacts with the facial line that forms of ectosphere, and the dust blowing better effects if effectively avoids dust to get in the cavity.
For dirt-proof boot more firmly is fixed on the housing, as shown in Figure 3, also comprise spring ring 8, be provided with recess 9 at the outer surface of said dirt-proof boot near open end, said spring ring is installed on the said recess.
Further, said universal joint also comprises star sleeve 10, and said star sleeve and said semiaxis are only realized being in transmission connection through the spline tooth structure, and said semiaxis can move along the axial direction of said star sleeve.Single spheroid constant velocity universal joint drive spindle assembly of this structure; Omitted and be used to make semiaxis and star sleeve to keep relatively-stationary shaft block ring in the conventional ADS driving axle assembly; Adopt semiaxis and star sleeve only to realize being in transmission connection through the spline tooth structure; The characteristics of utilizing the spline tooth on semiaxis and the star sleeve to slide relatively vertically in order to moving axially of compensation semiaxis, thereby can be omitted slippage end universal joint.During use semiaxis is directly inserted the differential mechanism end and realize being in transmission connection, universal joint and hub bearing are in transmission connection.Therefore, the present invention has characteristics simple in structure, that user cost is lower.
Present embodiment should not be regarded as limitation of the present invention, but any improvement of doing based on spirit of the present invention, all should be within protection scope of the present invention.
Claims (7)
1. a single spheroid constant velocity universal joint drive spindle assembly comprises universal joint, semiaxis, and it is characterized in that: the housing outer surface of said universal joint has the ectosphere face; Also comprise dirt-proof boot; The internal surface of said dirt-proof boot has with the facial suitable endosphere of said ectosphere facial; Said dirt-proof boot one end is fixed on the said semiaxis, the other end overlap joint on the ectosphere face of said housing and the said relatively dirt-proof boot of said housing when rotating the opening end of said housing drop on all the time in the said dirt-proof boot.
2. single spheroid constant velocity universal joint drive spindle assembly according to claim 1 is characterized in that: said dirt-proof boot is all put down material by the mountain and is processed.
3. single spheroid constant velocity universal joint drive spindle assembly according to claim 1, it is characterized in that: the internal surface at said dirt-proof boot is provided with lug boss near open end, and the ectosphere face of said lug boss and said housing offsets.
4. single spheroid constant velocity universal joint drive spindle assembly according to claim 3 is characterized in that: said lug boss is line with said ectosphere face and contacts.
5. single spheroid constant velocity universal joint drive spindle assembly according to claim 4 is characterized in that: said lug boss is M shape, V-arrangement or fan-shaped along the cross section on the said dirt-proof boot axial direction.
6. according to each described single spheroid constant velocity universal joint drive spindle assembly of claim 1-5, it is characterized in that: also comprise spring ring, be provided with recess at the outer surface of said dirt-proof boot near open end, said spring ring is installed on the said recess.
7. according to each described single spheroid constant velocity universal joint drive spindle assembly of claim 1-5; It is characterized in that: said universal joint also comprises star sleeve; Said star sleeve and said semiaxis are only realized being in transmission connection through the spline tooth structure, and said semiaxis can move along the axial direction of said star sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210088449.9A CN102619891B (en) | 2012-03-29 | 2012-03-29 | Single sphere drive shaft assembly for constant velocity universal joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210088449.9A CN102619891B (en) | 2012-03-29 | 2012-03-29 | Single sphere drive shaft assembly for constant velocity universal joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102619891A true CN102619891A (en) | 2012-08-01 |
| CN102619891B CN102619891B (en) | 2015-05-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210088449.9A Active CN102619891B (en) | 2012-03-29 | 2012-03-29 | Single sphere drive shaft assembly for constant velocity universal joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102619891B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236877A (en) * | 2018-08-28 | 2019-01-18 | 浙江工贸职业技术学院 | A kind of vehicle driving shaft assembly |
| CN109764065A (en) * | 2019-03-21 | 2019-05-17 | 核心驱动科技（金华）有限公司 | Fixing type equal speed universal joint assembly and its dust preventing component, drive shaft assembly |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5894634A (en) * | 1981-11-30 | 1983-06-04 | Ishikawajima Shibaura Kikai Kk | Seal covering device of universal joint |
| US20070066407A1 (en) * | 2005-09-15 | 2007-03-22 | Akio Sakaguchi | Double constant velocity universal joint |
| US20070093303A1 (en) * | 2005-10-25 | 2007-04-26 | Hans Wormsbaecher | Rigid joint sealing system |
| CN201786957U (en) * | 2010-09-29 | 2011-04-06 | 浙江凯迪汽车部件工业有限公司 | Constant speed universal joint inner ball cage assembly component |
| CN202500913U (en) * | 2012-03-29 | 2012-10-24 | 南京冠盛汽配有限公司 | Single-sphere constant velocity universal joint driving shaft assembly |
-
2012
- 2012-03-29 CN CN201210088449.9A patent/CN102619891B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5894634A (en) * | 1981-11-30 | 1983-06-04 | Ishikawajima Shibaura Kikai Kk | Seal covering device of universal joint |
| US20070066407A1 (en) * | 2005-09-15 | 2007-03-22 | Akio Sakaguchi | Double constant velocity universal joint |
| US20070093303A1 (en) * | 2005-10-25 | 2007-04-26 | Hans Wormsbaecher | Rigid joint sealing system |
| CN201786957U (en) * | 2010-09-29 | 2011-04-06 | 浙江凯迪汽车部件工业有限公司 | Constant speed universal joint inner ball cage assembly component |
| CN202500913U (en) * | 2012-03-29 | 2012-10-24 | 南京冠盛汽配有限公司 | Single-sphere constant velocity universal joint driving shaft assembly |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236877A (en) * | 2018-08-28 | 2019-01-18 | 浙江工贸职业技术学院 | A kind of vehicle driving shaft assembly |
| CN109236877B (en) * | 2018-08-28 | 2020-03-20 | 浙江工贸职业技术学院 | Automobile transmission shaft assembly |
| CN109764065A (en) * | 2019-03-21 | 2019-05-17 | 核心驱动科技（金华）有限公司 | Fixing type equal speed universal joint assembly and its dust preventing component, drive shaft assembly |
| CN109764065B (en) * | 2019-03-21 | 2023-10-13 | 浙江盘毂动力科技有限公司 | Fixed constant velocity universal joint assembly, dustproof assembly thereof and driving shaft assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102619891B (en) | 2015-05-20 |
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