CN205916181U - Steering drive axle assembly and a steering system - Google Patents
Steering drive axle assembly and a steering system Download PDFInfo
- Publication number
- CN205916181U CN205916181U CN201620960414.3U CN201620960414U CN205916181U CN 205916181 U CN205916181 U CN 205916181U CN 201620960414 U CN201620960414 U CN 201620960414U CN 205916181 U CN205916181 U CN 205916181U
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- CN
- China
- Prior art keywords
- transmission shaft
- power transmission
- chute
- drive axle
- axle assembly
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- 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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Abstract
The utility model discloses a steering drive axle assembly and a steering system, the steering drive axle assembly includes the transmission shaft, on the transmission shaft cover have with axial displacement's sleeve pipe is relatively connected in the transmission shaft transmission, the transmission shaft with be provided with the ball between the sleeve pipe, just thereby the cover has can be right in footpath anagenesis deformation on the transmission shaft radial elasticity is applyed to the ball will the ball top is in elasticity pipe fitting on the sleeve pipe. The utility model provides a steering drive axle assembly and a steering system can eliminate the fit clearance between transmission shaft and the sleeve pipe for the transmission that turns to the in -process moment of torsion is more smooth, can absorb the vibration that the steering gear transmission was come through the elastic deformation of elasticity pipe fitting moreover, helps reducing the vibration on the steering wheel from this, improves the travelling comfort of driving.
Description
Technical field
This utility model is related to technical field of vehicle, particularly to a kind of steering drive axle assembly and steering.
Background technology
In prior art, automobile steering system is mainly made up of steering column, steering drive axle assembly, steering gear etc..Its
Middle steering driving-shaft assembly is important ingredient in steering, upper even steering column, lower even steering gear, its major function
For transmitting steering torque.
Steering drive axle assembly generally comprises power transmission shaft and the sleeve pipe being enclosed within power transmission shaft, and sleeve pipe is connected with transmission shaft driven
And being capable of relative telescopic.Existing telescopic steering drive axle assembly mainly has three kinds of versions: one kind is spline housing end
Four open slots of arrangement, are held tightly using steel band clip, splined shaft can freely stretch in spline housing；One kind is splined shaft
Outer surface or spline housing inner surface are molded one layer of nylon layer it is ensured that free-sliding spline has rational fit clearance；Another is same
It is using steel-ball type structure, pass through during assembling to adjust steel ball size, reach the purpose meeting spline fitted gap.
But the version of existing telescopic steering drive axle assembly cannot filter vehicle in road traveling mistake of jolting
The vibration being passed over by tire in journey, leads to this vibration to be transferred to after steering wheel cause steering wheel to shake by steering drive axle assembly
Dynamic, thus affecting the comfortableness driven, and easily causing driving fatigue, bringing great accident potential to ride safety of automobile.
Utility model content
In view of this, this utility model is directed to a kind of steering drive axle assembly and steering, existing for solving
Steering drive axle assembly in technology cannot filter vehicle travel during the vibration that passes over from tire, lead to vibration transmission
Affect the problem of driver comfort to steering wheel.
For reaching above-mentioned purpose, the technical solution of the utility model is achieved in that
A kind of steering drive axle assembly, described steering drive axle assembly includes power transmission shaft, described power transmission shaft is cased with and institute
State the sleeve pipe that transmission shaft driven connects and can move to axial, between described power transmission shaft and described sleeve pipe, be provided with ball, and
It is cased with described power transmission shaft diametrically deforming upon thus applying the elastic force of radial direction by described ball top to described ball
Flexible pipe fitting in described sleeve pipe.
Further, described sleeve pipe and described power transmission shaft can move to axial, the inwall of described sleeve pipe and described transmission
The chute that axial movement to described ball play the guiding role is provided with least one of outer wall of axle.
Further, the inwall of described sleeve pipe is provided with multiple the first chutes axially extending, on described power transmission shaft
It is provided with second chute relative with described first chute, the outer wall of described Flexible pipe fitting is formed with and described second chute position
Put corresponding 3rd chute, between each described first chute and described 3rd chute, be provided with ball described in a row.
Further, the portion being provided with described Flexible pipe fitting of the shape of cross section of described Flexible pipe fitting and described power transmission shaft
The shape of cross section of position is consistent.
Further, the outside wall surface between described second chute of described power transmission shaft and being located at of described Flexible pipe fitting
Internal face laminating between described 3rd chute, and the described inwall of the described outside wall surface of described power transmission shaft and described Flexible pipe fitting
It is provided with the friction structure of increasing friction force between face.
Further, described friction structure includes shape in the described outside wall surface between described second chute of described power transmission shaft
The groove becoming.
Further, described first chute extends to the other end from one end of described sleeve pipe；Described second chute is located at institute
State one end of power transmission shaft；
The two ends of described first chute of described sleeve pipe are separately provided for the first backstop of ball abjection described in backstop
Portion；The open end of described second chute of described power transmission shaft is provided with the second stopper section of ball abjection described in backstop.
Further, described first stopper section and described second stopper section are respectively in the end of respective described sleeve pipe and institute
The end stating power transmission shaft is formed by riveting.
Further, described Flexible pipe fitting is the steel tubes of cross section elastically deformable.
This utility model provides steering drive axle assembly to withstand on ball by the Flexible pipe fitting that setting can deform upon
On sleeve pipe, eliminate the fit clearance between power transmission shaft and sleeve pipe so that the transmission of moment of torsion is more smooth in steering procedure, eliminate
Looseness sense.And the Flexible pipe fitting that can be deformed upon by setting, then produce after Flexible pipe fitting stress in steering procedure
Deformation can absorb the vibration that passes over of steering gear, thereby assist in the vibration reducing on steering wheel, improve drive comfortable
Property.
On the other hand this utility model also provides a kind of steering, and described steering includes turning to as above biography
Moving axis assembly.
Described steering is had the advantage that identical with respect to prior art and above-mentioned steering drive axle assembly, and here is not
Repeat again.
Other features and advantages of the utility model will be described in detail in subsequent specific embodiment part.
Brief description
The accompanying drawing constituting a part of the present utility model is used for providing further understanding to of the present utility model, and this practicality is new
The schematic description and description of type is used for explaining this utility model, does not constitute to improper restriction of the present utility model.?
In accompanying drawing:
Fig. 1 is the perspective view turning to driving-shaft assembly in an embodiment of the present utility model；
Fig. 2 structural representation in terms of one end for the steering drive axle assembly in Fig. 1；
Fig. 3 is the perspective view of sleeve pipe；
Fig. 4 structural representation in terms of one end for the sleeve pipe in Fig. 3；
Fig. 5 is the perspective view of power transmission shaft；
Fig. 6 structural representation in terms of one end for the power transmission shaft in Fig. 5；
Fig. 7 is the stereochemical structure signal that Flexible pipe fitting and ball are arranged on power transmission shaft；
Fig. 8 is the perspective view of Flexible pipe fitting；
Fig. 9 is connected with the structural representation of universal-joint fork for steering drive axle assembly.
Description of reference numerals:
1- sleeve pipe；11- first chute；
12- first stopper section；2- power transmission shaft；
21- second chute；22- second stopper section；
23- outside wall surface；24- groove；
3- ball；4- Flexible pipe fitting；
41- the 3rd chute；42- internal face；
5- universal-joint fork.
Specific embodiment
It should be noted that in the case of not conflicting, the embodiment in this utility model and the feature in embodiment can
To be mutually combined.
This utility model provides a kind of steering drive axle assembly, and described steering drive axle assembly includes power transmission shaft 2 and is enclosed within
The sleeve pipe 1 being in transmission connection with described power transmission shaft 2 on described power transmission shaft 2, is provided with rolling between described power transmission shaft 2 and described sleeve pipe 1
It is cased with pearl 3, and described power transmission shaft 2 diametrically deforming upon thus applying the elastic force of radial direction by institute to described ball 3
State ball 3 and withstand on the Flexible pipe fitting 4 in described sleeve pipe 1.Wherein Flexible pipe fitting 4 refers to shape of cross section is non-circular pipe fitting.
By the Flexible pipe fitting 4 that can deform upon of setting by ball in the steering drive axle assembly that this utility model provides
3 withstand on sleeve pipe 1, eliminate fit clearance between power transmission shaft 2 and sleeve pipe 1 so that in steering procedure the transmission of moment of torsion is more
Smoothness, eliminates looseness sense.And the Flexible pipe fitting 4 that can be deformed upon by setting, then Flexible pipe fitting 4 is in steering procedure
The deformation producing after stress can absorb the vibration that steering gear passes over, and thereby assists in reduction and is transferred to shaking on steering wheel
Dynamic, improve the comfortableness driven.
Below by specific embodiment and combine accompanying drawing this utility model is described in detail.
In this utility model, can move to axial between sleeve pipe 1 and power transmission shaft 2 and stretch, for making ball 3 in set
Can easily be axially moveable, in present embodiment, in the inwall of described sleeve pipe 1 during pipe 1 and power transmission shaft 2 axial movement
It is provided with the chute that the axial movement to described ball 3 play the guiding role with least one of the outer wall of described power transmission shaft 2.
Preferably, the inwall of described sleeve pipe 1 is provided with multiple the first chutes 11 axially extending (in present embodiment
Specifically it is provided with the first chute 11 of four circumferentially spaced settings), the concrete structure of sleeve pipe 1 is as shown in Figure 3 and Figure 4；Described
Second chute 21 relative with described first chute 11, concrete structure such as Fig. 5 and Fig. 6 institute of power transmission shaft 2 are provided with power transmission shaft 2
Show, the outer wall of described Flexible pipe fitting 4 is formed with threeth chute 41 (as Fig. 8) corresponding with described second chute 21 position, often
It is provided with ball 3 described in a row between individual described first chute 11 and described 3rd chute 41.Ball 3 and Flexible pipe fitting 4 are passing
Arrangement on moving axis 2 is as shown in Figure 7.
The version being respectively arranged with chute in present embodiment on sleeve pipe 1 and power transmission shaft 2 is for by sleeve pipe 1 He
Transmitting torque between sleeve pipe 1 and power transmission shaft 2 is realized in the cooperation of the chute on power transmission shaft 2 and ball 3 and Flexible pipe fitting 4.
Those skilled in the art it would be appreciated that, if the other positions on sleeve pipe 1 and power transmission shaft 2 be provided for transmit
The spline of moment of torsion, then can be only in set that is to say, that not needing the position transmitting torque being provided with chute of sleeve pipe 1 and power transmission shaft 2
On the inwall of pipe 1 or only on the outer wall of power transmission shaft 2, axial slide is set, as long as Flexible pipe fitting 4 will be able to roll by deformation
Pearl 3 holds out against on sleeve pipe 1 and ball 3 is moved axially i.e. and can achieve this utility model purpose to be reached.
In the present embodiment it is preferable that being provided with of the shape of cross section of described Flexible pipe fitting 4 and described power transmission shaft 2
The shape of cross section at the position of described Flexible pipe fitting 4 is consistent.This Flexible pipe fitting 4 can be selected for cross section and is also easy to produce the different of elastic deformation
Shape steel tube.Certainly, the cross sectional shape of described Flexible pipe fitting 4 is not limited to, alternatively other consistent with the cross sectional shape of power transmission shaft 2
The pipe fitting of shape, such as, in the case of setting chute only on the inwall of sleeve pipe 1, described Flexible pipe fitting 4 can be set to other
Suitable shape, as long as can deform upon withstand on ball 3 in the chute of sleeve pipe 1.
In present embodiment, the outside wall surface 23 between described second chute 21 and the described elasticity of described power transmission shaft 2
The internal face 42 between described 3rd chute 41 of pipe fitting 4 is fitted and (is located at the first chute 11 and the bullet of sleeve pipe 1 in ball 3
When between the 3rd chute 41 of property pipe fitting 4, the pressure of the 3rd chute 41 to Flexible pipe fitting 4 for the ball 3 makes Flexible pipe fitting 4 become
Shape, thus the internal face 42 of Flexible pipe fitting 4 and the outside wall surface 23 of power transmission shaft 2 are in close contact), in present embodiment, described transmission
It is provided with the friction structure of increasing friction force between the described outside wall surface 23 of axle 2 and the described internal face 42 of Flexible pipe fitting 4,
To increase stability between sleeve pipe 1 and power transmission shaft 2 for the shape tube 4.
Preferably, described friction structure includes the described outside wall surface 23 between described second chute 21 of described power transmission shaft 2
The groove 24 of upper formation.As shown in figure 5, described groove 24 includes multiple axial notches of axially extending and circumferentially
Multiple circumferential recess.Certainly, friction structure is alternatively other any type of grooves being capable of increasing friction force or other is suitable
Structure.
In present embodiment, described first chute 11 extends to the other end from one end of described sleeve pipe 1；Described second chute
21 one end being located at described power transmission shaft 2.One end that described sleeve pipe 1 is enclosed within described power transmission shaft 2 is fixedly connected (such as with universal-joint fork 5
Shown in Fig. 9).
For preventing from, between ball 3 abjection sleeve pipe 1 and power transmission shaft 2, dividing at the two ends of described first chute 11 of described sleeve pipe 1
It is not provided with the first stopper section 12 for ball described in backstop 3 abjection；The opening of described second chute 21 of described power transmission shaft 2
End is provided with the second stopper section 22 of ball 3 abjection described in backstop.
Preferably, described first stopper section 12 and described second stopper section 22 can be respectively respective after ball 3 installs
The end of described sleeve pipe 1 and the end of described power transmission shaft 2 formed by riveting.
On the other hand this utility model also provides a kind of steering, and described steering includes turning to as above biography
Moving axis assembly.
The steering that this utility model provides, by arranging steering drive axle assembly as above, can make to turn to
During moment of torsion transmission smooth, and the vibration of steering wheel reduces, it is possible to increase the comfortableness of driving.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all this
Within the spirit of utility model and principle, any modification, equivalent substitution and improvement made etc., should be included in this utility model
Protection domain within.
Claims (10)
1. a kind of steering drive axle assembly is it is characterised in that described steering drive axle assembly includes power transmission shaft (2), described transmission
The sleeve pipe (1) that is in transmission connection with described power transmission shaft (2) and can move to axial is cased with axle (2) it is characterised in that described biography
It is provided with ball (3) between moving axis (2) and described sleeve pipe (1), and be cased with described power transmission shaft (2) can diametrically shape
Become thus described ball (3) is withstood on the Flexible pipe fitting (4) in described sleeve pipe (1) by the elastic force applying radial direction to described ball (3).
2. steering drive axle assembly according to claim 1 is it is characterised in that described sleeve pipe (1) and described power transmission shaft (2)
Can move to axial, at least one of outer wall of the inwall of described sleeve pipe (1) and described power transmission shaft (2) is provided with to institute
State the chute that the axial movement of ball (3) play the guiding role.
3. steering drive axle assembly according to claim 2 is it is characterised in that be provided with the inwall of described sleeve pipe (1)
Multiple the first chutes (11) axially extending, described power transmission shaft (2) is provided with relative with described first chute (11)
Two chutes (21), the outer wall of described Flexible pipe fitting (4) is formed with threeth chute corresponding with described second chute (21) position
(41), it is provided with ball (3) described in a row between each described first chute (11) and described 3rd chute (41).
4. steering drive axle assembly according to claim 3 is it is characterised in that the cross section shape of described Flexible pipe fitting (4)
Shape is consistent with the shape of cross section at the position being provided with described Flexible pipe fitting (4) of described power transmission shaft (2).
5. steering drive axle assembly according to claim 4 it is characterised in that described power transmission shaft (2) positioned at described
Outside wall surface (23) between two chutes (21) and the internal face between described 3rd chute (41) of described Flexible pipe fitting (4)
(42) fit, and between the described outside wall surface (23) of described power transmission shaft (2) and the described internal face (42) of described Flexible pipe fitting (4)
It is provided with the friction structure of increasing friction force.
6. steering drive axle assembly according to claim 5 is it is characterised in that described friction structure includes described power transmission shaft
(2) the upper groove (24) being formed of the described outside wall surface (23) between described second chute (21).
7. the steering drive axle assembly according to any one in claim 3-6 is it is characterised in that described first chute
(11) extend to the other end from one end of described sleeve pipe (1)；Described second chute (21) is located at one end of described power transmission shaft (2)；
The two ends of described first chute (11) of described sleeve pipe (1) are separately provided for that ball described in backstop (3) is deviate from
One stopper section (12)；The open end of described second chute (21) of described power transmission shaft (2) is provided with ball described in backstop (3) abjection
The second stopper section (22).
8. steering drive axle assembly according to claim 7 is it is characterised in that described first stopper section (12) and described
Two stopper sections (22) are formed by riveting in the end of the end of respective described sleeve pipe (1) and described power transmission shaft (2) respectively.
9. the steering drive axle assembly according to any one in claim 3-6 is it is characterised in that described Flexible pipe fitting
(4) for the steel tubes of cross section elastically deformable.
10. a kind of steering is it is characterised in that described steering is included according to any one in claim 1-9
Steering drive axle assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620960414.3U CN205916181U (en) | 2016-08-26 | 2016-08-26 | Steering drive axle assembly and a steering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620960414.3U CN205916181U (en) | 2016-08-26 | 2016-08-26 | Steering drive axle assembly and a steering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205916181U true CN205916181U (en) | 2017-02-01 |
Family
ID=57868813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620960414.3U Active CN205916181U (en) | 2016-08-26 | 2016-08-26 | Steering drive axle assembly and a steering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205916181U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108340963A (en) * | 2018-02-12 | 2018-07-31 | 安徽江淮汽车集团股份有限公司 | Length-adjustable steering drive axle component |
| CN108357561A (en) * | 2018-02-12 | 2018-08-03 | 安徽江淮汽车集团股份有限公司 | Length-adjustable steering drive axle component |
| CN109528234A (en) * | 2018-12-31 | 2019-03-29 | 深圳北芯生命科技有限公司 | Intravascular ultrasound device with ball |
| CN109528233A (en) * | 2018-12-31 | 2019-03-29 | 深圳北芯生命科技有限公司 | Intravascular ultrasound device with damping |
-
2016
- 2016-08-26 CN CN201620960414.3U patent/CN205916181U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108340963A (en) * | 2018-02-12 | 2018-07-31 | 安徽江淮汽车集团股份有限公司 | Length-adjustable steering drive axle component |
| CN108357561A (en) * | 2018-02-12 | 2018-08-03 | 安徽江淮汽车集团股份有限公司 | Length-adjustable steering drive axle component |
| CN108340963B (en) * | 2018-02-12 | 2020-01-14 | 安徽江淮汽车集团股份有限公司 | Length-adjustable steering transmission shaft assembly |
| CN109528234A (en) * | 2018-12-31 | 2019-03-29 | 深圳北芯生命科技有限公司 | Intravascular ultrasound device with ball |
| CN109528233A (en) * | 2018-12-31 | 2019-03-29 | 深圳北芯生命科技有限公司 | Intravascular ultrasound device with damping |
| CN109528234B (en) * | 2018-12-31 | 2022-02-08 | 深圳北芯生命科技股份有限公司 | Intravascular ultrasound device with ball |
| CN109528233B (en) * | 2018-12-31 | 2022-02-08 | 深圳北芯生命科技股份有限公司 | Intravascular ultrasound device with damping mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |