CN107600179A - With protecting cover steering drive axle assembly at a kind of universal joint - Google Patents
With protecting cover steering drive axle assembly at a kind of universal joint Download PDFInfo
- Publication number
- CN107600179A CN107600179A CN201710974430.7A CN201710974430A CN107600179A CN 107600179 A CN107600179 A CN 107600179A CN 201710974430 A CN201710974430 A CN 201710974430A CN 107600179 A CN107600179 A CN 107600179A
- Authority
- CN
- China
- Prior art keywords
- drive axle
- steering drive
- protective cover
- cover
- universal joint
- 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.)
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- Sealing Devices (AREA)
- Steering Controls (AREA)
Abstract
The invention provides with protecting cover steering drive axle assembly at a kind of universal joint, including steering drive axle and protective cover, pitched successively provided with universal the bottom for including steering drive axle, the shielding cover it is described it is universal successively fork on, the upper end of the protective cover is connected with the steering drive axle, the upper end of the protective cover and the steering drive axle are interference fits, the side wall of the protective cover is provided with flexible ripple, and the bottom of the protective cover is provided with leak-off chute, reinforcement and circumferentially positioned lug boss.The beneficial effects of the invention are as follows：Protective cover is set up at universal joint, protected by protective cover it is universal pitch successively, can avoid it is universal successively fork be chronically exposed in external environment, so as to avoid universal joint bearing produce clamping stagnation, loosening, abnormal sound the problem of.
Description
Technical field
The present invention relates to protecting cover steering drive axle assembly at steering drive axle, more particularly to a kind of universal joint.
Background technology
Power transmission shaft lower end integrates universal joint, for connecting steering gear little gear input shaft, so as to realize steering torque transmission.
Based on micro- chassis it is higher the characteristics of, usual steering drive axle lower cardan is disposed in enging cabin low side, front panel arrangement
In middle shaft position.Lower cardan, which is exposed in external environment, is vulnerable to road muddy water sputter erosion, in long-term adverse circumstances
After use, steering drive axle lower cardan bearing can get rusty, and then universal joint bearing can produce clamping stagnation, loosening, abnormal sound problem.
The content of the invention
In order to solve the problems of the prior art, the invention provides with protecting cover steering drive axle at a kind of universal joint
Assembly.
The invention provides with protecting cover steering drive axle assembly at a kind of universal joint, including steering drive axle and protection
Cover, the bottom for including steering drive axle be provided with it is universal pitch successively, the shielding cover is described anti-described universal successively on fork
The upper end of shield is connected with the steering drive axle, and the upper end of the protective cover and the steering drive axle are interference fits, institute
The side wall for stating protective cover is provided with flexible ripple, and the bottom of the protective cover is provided with leak-off chute, reinforcement and circumferentially positioned projection
Portion.
As a further improvement on the present invention, the upper end of the protective cover is provided with installation groove, is set in the installation groove
There is band, the band tightens the upper end of the protective cover and the steering drive axle.
As a further improvement on the present invention, the leak-off chute has two and is located along the same line.
As a further improvement on the present invention, the end of the leak-off chute is provided with breach.
As a further improvement on the present invention, it is provided with gap between the madial wall of the protective cover, universal fork successively.
As a further improvement on the present invention, the gap is more than or equal to 3 millimeters.
As a further improvement on the present invention, the protective cover is NBR rubber protective cover.
As a further improvement on the present invention, the wall thickness of the protective cover is 1 millimeter.
As a further improvement on the present invention, the bottom surface of the protective cover is affixed with the universal transverse plane pitched successively
Close.
The beneficial effects of the invention are as follows：By such scheme, protective cover is set up at universal joint, is protected by protective cover
It is universal to pitch successively, universal fork successively can be avoided to be chronically exposed in external environment, card is produced so as to avoid universal joint bearing
The problem of stagnant, loosening, abnormal sound.
Brief description of the drawings
Fig. 1 is the schematic diagram of with protecting cover steering drive axle assembly at a kind of universal joint of the present invention.
Fig. 2 is the schematic diagram of the protective cover of with protecting cover steering drive axle assembly at a kind of universal joint of the present invention.
Fig. 3 is the schematic bottom view of the protective cover of with protecting cover steering drive axle assembly at a kind of universal joint of the present invention.
Fig. 4 is the diagrammatic cross-section of with protecting cover steering drive axle assembly at a kind of universal joint of the present invention.
Fig. 5 is the schematic diagram of the steering drive axle of with protecting cover steering drive axle assembly at a kind of universal joint of the present invention.
Embodiment
The invention will be further described for explanation and embodiment below in conjunction with the accompanying drawings.
As shown in Figures 1 to 5, with protecting cover steering drive axle assembly at a kind of universal joint, including the He of steering drive axle 1
Protective cover 2, the bottom for including steering drive axle 1 be provided with it is universal pitch 3 successively, the protective cover 2 is enclosed on described universal pitches 3 successively
On, the upper end of the protective cover 2 is connected with the steering drive axle 1, the upper end of the protective cover 2 and the steering drive axle 1
For interference fits, the side wall of the protective cover 2 is provided with flexible ripple 21, and the bottom of the protective cover 2 is provided with leak-off chute 23, added
Strengthening tendons 25 and circumferentially positioned lug boss 26.
As shown in Figures 1 to 5, the upper end of the protective cover 2 is provided with installation groove 22, is provided with and pricks in the installation groove 22
Band, the band tighten the upper end of the protective cover 2 and the steering drive axle 1.
As shown in Figures 1 to 5, the leak-off chute 23 has two and is located along the same line.
As shown in Figures 1 to 5, the end of the leak-off chute 23 is provided with breach 24.
As shown in Figures 1 to 5, it is provided with gap 27 between the madial wall of the protective cover 2, universal fork 3 successively.
As shown in Figures 1 to 5, the gap 27 is more than or equal to 3 millimeters.
As shown in Figures 1 to 5, the protective cover 2 is NBR rubber protective cover.
As shown in Figures 1 to 5, the wall thickness of the protective cover 2 is 1 millimeter.
As shown in Figures 1 to 5, the bottom surface of the protective cover 2 and the transverse plane 31 of the universal fork 3 successively fit.
With protecting cover steering drive axle assembly has the characteristics that at a kind of universal joint provided by the invention：
1) upper end of protective cover 2 is located on steering drive axle 1, and interference fits, fit clearance are radially crossed with axle（- 0.02mm is extremely
0.18mm）.
2) the upper end design and installation groove 22 of protective cover 2 coordinates with band, installation groove 22 wide 4mm, the wide 3mm of band, band
After tightening, protective cover 2 is axially moveable power and is more than 50N, and protective cover 2 is formed with steering drive axle 1 and is interference fitted, steering drive axle
During 1 rotation, protective cover 2 follows steering drive axle 1 to rotate together.
3) the crest number of the flexible ripple 21 on protective cover 2 is 7, and 8, trough, wall thickness is 1mm at ripple；
4) the Wave crest and wave trough distance of flexible ripple 21 is 5.95mm, and 2 extending length of protective cover is about 50mm；
5）At 23 liang of the leak-off chute of bottom design of protective cover 2, groove width 2mm, two grooves are located on straight line, the end of leak-off chute 23
Jagged 24 are designed, prevents from pullling during assembling and causes rubber to tear.
6）The bottom section of protective cover 2 is designed with reinforcement 25 at 5, and reinforcement 25 is wide radial along the fork outside journey of contour line.
7）Pitch distance >=3mm away from section at the inside trough of protective cover 2, the design of gap 27 prevent in motion process protective cover 2 and
Section fork is shown in generation abnormal sound, such as Fig. 5；
8）Protective cover bottom contour shape and section fork Contour matching.Form preferable package action, such as Fig. 4；
9）Protective cover bottom tapered protrusion is pitched 3 gap interference and matched successively with universal, realizes the circumferentially positioned of protective cover 2.
10) the low side plane of protective cover 2 is bonded with the transverse plane 31 of universal fork 3 successively, realizes the axially position of protective cover 2.
11) the material selection NBR rubber of protective cover 2.
With protecting cover steering drive axle assembly at a kind of universal joint provided by the invention, increase protective cover 2 by universal joint
Entirety wraps up, and stops that the muddy water of road spray directly contacts universal joint bearing, largely reduces universal joint bearing
The problem of rustiness caused by muddy water splash, and then reduce clamping stagnation, loosening, abnormal sound problem caused by universal joint.
Above content is to combine specific preferred embodiment further description made for the present invention, it is impossible to is assert
The specific implementation of the present invention is confined to these explanations.For general technical staff of the technical field of the invention,
On the premise of not departing from present inventive concept, some simple deduction or replace can also be made, should all be considered as belonging to the present invention's
Protection domain.
Claims (9)
- A kind of 1. with protecting cover steering drive axle assembly at universal joint, it is characterised in that：Including steering drive axle and protective cover, The bottom for including steering drive axle be provided with it is universal pitch successively, the shielding cover it is described it is universal successively fork on, the protection The upper end of cover is connected with the steering drive axle, and the upper end of the protective cover and the steering drive axle are interference fits, described The side wall of protective cover is provided with flexible ripple, and the bottom of the protective cover is provided with leak-off chute, reinforcement and circumferentially positioned lug boss.
- 2. with protecting cover steering drive axle assembly at universal joint according to claim 1, it is characterised in that：The protection The upper end of cover is provided with installation groove, is provided with band in the installation groove, the band tightens upper end and the institute of the protective cover State steering drive axle.
- 3. with protecting cover steering drive axle assembly at universal joint according to claim 1, it is characterised in that：The leak Groove has two and is located along the same line.
- 4. with protecting cover steering drive axle assembly at universal joint according to claim 1, it is characterised in that：The leak The end of groove is provided with breach.
- 5. with protecting cover steering drive axle assembly at universal joint according to claim 1, it is characterised in that：The protection Gap is provided between the madial wall of cover, universal fork successively.
- 6. with protecting cover steering drive axle assembly at universal joint according to claim 5, it is characterised in that：The gap More than or equal to 3 millimeters.
- 7. with protecting cover steering drive axle assembly at universal joint according to claim 1, it is characterised in that：The protection Cover for NBR rubber protective cover.
- 8. with protecting cover steering drive axle assembly at universal joint according to claim 1, it is characterised in that：The protection The wall thickness of cover is 1 millimeter.
- 9. with protecting cover steering drive axle assembly at universal joint according to claim 1, it is characterised in that：The protection The bottom surface of cover fits with the universal transverse plane pitched successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710974430.7A CN107600179B (en) | 2017-10-19 | 2017-10-19 | Steering transmission shaft assembly with protective cover at universal joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710974430.7A CN107600179B (en) | 2017-10-19 | 2017-10-19 | Steering transmission shaft assembly with protective cover at universal joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107600179A true CN107600179A (en) | 2018-01-19 |
| CN107600179B CN107600179B (en) | 2024-01-05 |
Family
ID=61078734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710974430.7A Active CN107600179B (en) | 2017-10-19 | 2017-10-19 | Steering transmission shaft assembly with protective cover at universal joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107600179B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10196668A (en) * | 1997-01-13 | 1998-07-31 | Matsui Warutaashiyaido Kk | Driving shaft |
| EP1089005A1 (en) * | 1999-09-28 | 2001-04-04 | Edi Bondioli | Cardan shaft with guard that can be fixed in position by a single action |
| CN2697379Y (en) * | 2004-04-06 | 2005-05-04 | 万向钱潮股份有限公司 | Manufacture facilitated seal device for cross-pin universal joint |
| CN2697380Y (en) * | 2004-04-06 | 2005-05-04 | 万向钱潮股份有限公司 | Dust proof cover for universal joint |
| CN101966812A (en) * | 2009-07-28 | 2011-02-09 | 石宝枢 | Ball cage and four-ball-pin combined type universal joint transmission shaft assembly |
| CN201923200U (en) * | 2011-01-28 | 2011-08-10 | 江铃控股有限公司 | Nylon-coated energy-absorbing type steering column of automobile |
| CN202007839U (en) * | 2011-03-31 | 2011-10-12 | 万向钱潮股份有限公司 | Universal joint with cross shaft |
| CN202641824U (en) * | 2012-05-16 | 2013-01-02 | 无锡金也汽车部件有限公司 | Lower automotive steering transmission shaft with rubber protective cover |
| CN202732758U (en) * | 2012-08-22 | 2013-02-13 | 常州海川卓越密封材料有限公司 | Dustproof cover with pressing spring on inner diameter |
| CN104847843A (en) * | 2015-05-04 | 2015-08-19 | 温州聚泉汽车部件有限公司 | Automotive transmission shaft assembly with buffer structure |
| CN204692370U (en) * | 2015-05-25 | 2015-10-07 | 福州荣林机械有限公司 | A kind of quick-detachable agricultural machinery transmission shaft |
| KR20160128724A (en) * | 2015-04-29 | 2016-11-08 | 허용훈 | boot-seal for a vehicle's constant velocity joint |
| CN207644455U (en) * | 2017-10-19 | 2018-07-24 | 上汽通用五菱汽车股份有限公司 | With protecting cover steering drive axle assembly at a kind of universal joint |
-
2017
- 2017-10-19 CN CN201710974430.7A patent/CN107600179B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10196668A (en) * | 1997-01-13 | 1998-07-31 | Matsui Warutaashiyaido Kk | Driving shaft |
| EP1089005A1 (en) * | 1999-09-28 | 2001-04-04 | Edi Bondioli | Cardan shaft with guard that can be fixed in position by a single action |
| CN2697379Y (en) * | 2004-04-06 | 2005-05-04 | 万向钱潮股份有限公司 | Manufacture facilitated seal device for cross-pin universal joint |
| CN2697380Y (en) * | 2004-04-06 | 2005-05-04 | 万向钱潮股份有限公司 | Dust proof cover for universal joint |
| CN101966812A (en) * | 2009-07-28 | 2011-02-09 | 石宝枢 | Ball cage and four-ball-pin combined type universal joint transmission shaft assembly |
| CN201923200U (en) * | 2011-01-28 | 2011-08-10 | 江铃控股有限公司 | Nylon-coated energy-absorbing type steering column of automobile |
| CN202007839U (en) * | 2011-03-31 | 2011-10-12 | 万向钱潮股份有限公司 | Universal joint with cross shaft |
| CN202641824U (en) * | 2012-05-16 | 2013-01-02 | 无锡金也汽车部件有限公司 | Lower automotive steering transmission shaft with rubber protective cover |
| CN202732758U (en) * | 2012-08-22 | 2013-02-13 | 常州海川卓越密封材料有限公司 | Dustproof cover with pressing spring on inner diameter |
| KR20160128724A (en) * | 2015-04-29 | 2016-11-08 | 허용훈 | boot-seal for a vehicle's constant velocity joint |
| CN104847843A (en) * | 2015-05-04 | 2015-08-19 | 温州聚泉汽车部件有限公司 | Automotive transmission shaft assembly with buffer structure |
| CN204692370U (en) * | 2015-05-25 | 2015-10-07 | 福州荣林机械有限公司 | A kind of quick-detachable agricultural machinery transmission shaft |
| CN207644455U (en) * | 2017-10-19 | 2018-07-24 | 上汽通用五菱汽车股份有限公司 | With protecting cover steering drive axle assembly at a kind of universal joint |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107600179B (en) | 2024-01-05 |
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