CN206644870U - Steering column structure and vehicle - Google Patents
Steering column structure and vehicle Download PDFInfo
- Publication number
- CN206644870U CN206644870U CN201720444014.1U CN201720444014U CN206644870U CN 206644870 U CN206644870 U CN 206644870U CN 201720444014 U CN201720444014 U CN 201720444014U CN 206644870 U CN206644870 U CN 206644870U
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- tubing string
- mandrel
- inner tube
- steering column
- column structure
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Abstract
It the utility model is related to vehicular field, a kind of steering column structure is provided, wherein, the steering column structure includes tubing string inner tube and is arranged on the tubing string mandrel that the tubing string inner tube is interior and can be moved axially relative to the tubing string inner tube, the first rotation preventing device and the second rotation preventing device are respectively arranged with the tubing string inner tube and the tubing string mandrel, first rotation preventing device and the second rotation preventing device can be engaged with each other when the tubing string mandrel is moved to anti-rotation position relative to the tubing string inner tube and prevent the tubing string mandrel from being rotated relative to the tubing string inner tube.Steering column structure described in the utility model can by the engagement of the first rotation preventing device and the second rotation preventing device come prevent tubing string mandrel relative to tubing string inner tube rotate, so as to collision free when steering wheel because the transmission of steering and with vehicle wheel rotation correspondingly wide-angle rapidly rotation and thus caused by injure.The invention also discloses a kind of vehicle for being provided with the steering column structure.
Description
Technical field
Technical field of vehicle is the utility model is related to, more particularly to a kind of steering column structure and vehicle.
Background technology
With the development of automotive engineering, the security of vehicle is taken seriously all the more.When vehicle collides, driver by
In inertia can direct crash direction disk, easily damage.Therefore, generally by steering column to absorb collision when energy,
To reduce the injury to driver.But during collision, steering column can only be by the deformation such as folding come head-on crash energy, such as
Fruit wheel is deflected by external force, and big angle rotary will occur rapidly by steering steering wheel, and driver is due to inertia
Hand and forearm is caused to compress on the steering wheel, the rapid pole of rotation of steering wheel easily causes the hand and fracture of lower arm of driver.
Therefore, the problem of injuring driver because of direction disc spins when existing vehicle has collision.
Utility model content
In view of this, the utility model is directed to a kind of steering column structure, and steering wheel occurs big during preventing collision
Angle rotates and the thus caused injury to driver.
To reach above-mentioned purpose, what the technical solution of the utility model was realized in：
A kind of steering column structure, wherein, the steering column structure includes tubing string inner tube and is arranged in the tubing string inner tube
And the tubing string mandrel that can be moved axially relative to the tubing string inner tube, set respectively on the tubing string inner tube and the tubing string mandrel
Be equipped with the first rotation preventing device and the second rotation preventing device, first rotation preventing device and the second rotation preventing device can the tubing string mandrel relative to
The tubing string inner tube is engaged with each other when being moved to anti-rotation position and prevents the tubing string mandrel from being rotated relative to the tubing string inner tube.
Preferably, be respectively arranged with first rotation preventing device and the second rotation preventing device the first teeth groove that can be engaged with each other and
Second teeth groove.
Preferably, first rotation preventing device is to be fixed on the locating snap ring on the inside of the tubing string inner tube, second rotation preventing device
For the crumple pressure ring being set on the tubing string mandrel, the crumple pressure ring is located at the inner side of the tubing string inner tube, and described second
Teeth groove is arranged on one end of the crumple pressure ring.
Preferably, the locating snap ring and the tubing string inner tube are coaxial is interference fitted and is fixed on the tubing string by fastener
Inner tube；And/or first teeth groove is along the circumferentially disposed of the locating snap ring, second teeth groove is along the crumple pressure ring
It is circumferentially disposed.
Preferably, the crumple pressure ring and the tubing string mandrel are respectively arranged with the first junction surface and second being engaged with each other
One of junction surface, first junction surface and the second junction surface is neck, and another one is convex tendon, the neck and/or institute
Convex tendon is stated parallel to the axially extending of the tubing string mandrel.
Preferably, the neck is provided towards anti-rotation position groove width and tapered into；Or the convex tendon is arranged to
Tapered into towards anti-rotation position width.
Preferably, the neck and convex tendon are corresponding multiple and along the circumference of the crumple pressure ring and the tubing string mandrel
Set.
Preferably, paired elastic pressuring plate is provided with the inside of the crumple pressure ring to form the neck.
Preferably, the tubing string mandrel includes mandrel under mandrel on tubing string and tubing string, and second rotation preventing device is arranged on institute
State on tubing string on mandrel.
Relative to prior art, steering column structure described in the utility model can pass through the first rotation preventing device and the second anti-rotation
The engagement of part come prevent tubing string mandrel relative to tubing string inner tube rotate, so as to collision free when steering wheel because of the transmission of steering
And with vehicle wheel rotation correspondingly wide-angle rotation and thus caused injury rapidly.
Another object of the present utility model is to propose a kind of vehicle, wherein, it is provided with steering column knot of the present utility model
Structure.
The vehicle is same relative to Dominant Facies possessed by prior art with above-mentioned steering column structure, will not be repeated here.
Other features and advantages of the utility model will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
Form a part of accompanying drawing of the present utility model to be used for providing further understanding to of the present utility model, this practicality is new
The exemplary embodiment of type and its illustrate be used for explain the utility model, do not form to improper restriction of the present utility model.
In the accompanying drawings：
Fig. 1 is a kind of sectional view of the steering column structure of embodiment of the present utility model, wherein, steering column structure is in
Non- collision status；
Fig. 2 is the stereogram of crumple pressure ring in Fig. 1；
Fig. 3 is Fig. 2 end-view；
Fig. 4 is the stereogram of a part for mandrel on tubing string in Fig. 1；
Fig. 5 is Fig. 4 end-view；
Fig. 6 is the installation diagram of mandrel and crumple pressure ring on the tubing string in Fig. 1；
Fig. 7 is Fig. 6 end-view；
Fig. 8 is the stereogram of locating snap ring in Fig. 1；
Fig. 9 is the simplified cross-sectional view of Fig. 1 steering column structure；
Figure 10 is that Fig. 9 steering column structure reaches the sectional view of anti-rotation position；
Figure 11 is that Figure 10 steering column structure continues the sectional view of crumple.
Description of reference numerals：
10- tubing string inner tubes, 20- tubing string mandrels, mandrel on 21- tubing strings, 211- convex tendons, mandrel under 22- tubing strings, 30- stop
Ring, the teeth groove of 31- first, 40- crumple pressure rings, the teeth groove of 41- second, 42- elastic pressuring plates, 50- tubing string outer tubes, S- fasteners.
Embodiment
It should be noted that in the case where not conflicting, the spy in embodiment and embodiment in the utility model
Sign can be mutually combined.
In the case where not making opposite explanation, the noun of locality such as " upper and lower, left and right " used typically refers to refer to the attached drawing institute
The upper and lower, left and right shown；" inside and outside " refers to the inside and outside of the profile relative to each part in itself.
Below with reference to the accompanying drawings and embodiment is combined to describe the utility model in detail.
According to one side of the present utility model, there is provided a kind of steering column structure, wherein, the steering column structure includes pipe
Post inner tube 10 and it is arranged in the tubing string inner tube 10 and can be relative to the tubing string mandrel of the tubing string inner tube 10 axial movement
20, it is respectively arranged with the first rotation preventing device and the second rotation preventing device in the tubing string inner tube 10 and the tubing string mandrel 20, described first
Rotation preventing device and the second rotation preventing device can when the tubing string mandrel 20 is moved to anti-rotation position relative to the tubing string inner tube 10 that
This engages and prevents the tubing string mandrel 20 from being rotated relative to the tubing string inner tube 10.
Steering column structure described in the utility model can be prevented by the engagement of the first rotation preventing device and the second rotation preventing device
Tubing string mandrel 20 rotates relative to tubing string inner tube 10, so as to which steering wheel turns because of the transmission of steering with wheel during collision free
Rotation and the thus caused injury rapidly of dynamic correspondingly wide-angle.
Wherein, the first rotation preventing device and the second rotation preventing device can be various appropriate forms, as long as can be in tubing string mandrel 20
It is engaged with each other when being moved to anti-rotation position relative to tubing string inner tube 10 and prevents tubing string mandrel 20 relative to the tubing string inner tube 10
Rotation.For example, the polygon projection to match each other and polygon can be set on tubing string mandrel 20 and tubing string inner tube 10
Depression, so as to cause that polygon is raised and polygon is recessed when tubing string mandrel 20 is moved to anti-rotation position relative to tubing string inner tube 10
Fall into and be engaged with each other, to prevent tubing string mandrel 20 from being rotated relative to tubing string inner tube 10.To avoid the interference to existing structure as far as possible
And simplify structure, it is preferable that be respectively arranged with the first tooth that can be engaged with each other on first rotation preventing device and the second rotation preventing device
The teeth groove 41 of groove 31 and second.
In addition, the first rotation preventing device and the second rotation preventing device can be various appropriate forms, and installed by corresponding mode
To tubing string inner tube 10 and tubing string mandrel 20.To adapt to the existing structure of tubing string inner tube 10 and tubing string mandrel 20, as shown in Figure 1, Figure 2 and scheme
Shown in 3, first rotation preventing device is the locating snap ring 30 for being fixed on the inner side of tubing string inner tube 10, and second rotation preventing device is to be arranged
Crumple pressure ring 40 on the tubing string mandrel 20, the crumple pressure ring 40 are located at the inner side of the tubing string inner tube 10, and described
Two teeth groove 41 are arranged on one end of the crumple pressure ring 40.Thus, when tubing string mandrel 20 be moved to relative to tubing string inner tube 10 it is anti-
Indexing is put, crumple pressure ring 40 be provided with the second teeth groove 41 one end reach locating snap ring 30 the position of the first teeth groove 31 and with
First teeth groove 31 engages.
Preferably, for the bond stability of the first teeth groove 31 of reinforcement and the second teeth groove 41 and to tubing string inner tube 10 and tubing string core
Axle 20 provides uniform anti-rotation active force, and first teeth groove 31 is circumferentially disposed along the locating snap ring 30, second teeth groove
41 along the circumferentially disposed of the crumple pressure ring 40.In addition, to enable the first teeth groove 31 and the second teeth groove 41 preventing position from connecing
Close smoothly, chamfering preferably is set at the top of the first teeth groove 31 and the second teeth groove 41.
Wherein, locating snap ring 30 and crumple pressure ring 40 can be installed on tubing string inner tube 10 and tubing string core by appropriate ways respectively
Axle 20.Specifically, to ensure positioning of the locating snap ring 30 relative to tubing string inner tube 10, so as in the first teeth groove 31 and the second teeth groove 41
Can be solidly joined and ensure to prevent the effect that tubing string mandrel 20 rotates relative to tubing string inner tube 10, it is preferable that the locating snap ring
30 interference fits coaxial with the tubing string inner tube 10 are simultaneously fixed on the tubing string inner tube 10 by fastener S.
In addition, crumple pressure ring 40 can be fixed on tubing string mandrel 20, so as to be moved with tubing string mandrel 20.It is preferred that
Ground, crumple pressure ring 40 can be made to be set in the outside of tubing string mandrel 20 with predetermined pretightning force, so as to phase within the specific limits
It is axially moveable for tubing string mandrel 20.Therefore, the crumple pressure ring 40 and the tubing string mandrel 20 are respectively arranged with and connect each other
One of the first junction surface and the second junction surface, first junction surface and the second junction surface closed are neck, and another one is
Convex tendon 211, the neck and/or the convex tendon 211 are axially extending parallel to the tubing string mandrel 20.
Illustrated exemplified by the illustrated embodiment, neck is arranged on crumple pressure ring 40, and convex tendon 211 is arranged on tubing string
On mandrel 20 (being specially mandrel 21 on tubing string) (it is to be understood that, neck can also be arranged on tubing string mandrel 20, convex tendon
211 are arranged on crumple pressure ring 40).Wherein, the cooperation of neck and convex tendon 211 can be in the axial action suffered by tubing string mandrel 20
Fixed relative position is kept when power is little each other, when the axial force of tubing string mandrel 20 is more than connecing for neck and convex tendon 211
When with joint efforts, tubing string mandrel 20 can move axially with respect to crumple pressure ring 40.Wherein, by making neck and/or convex tendon 211 flat
Row can guide in the axially extending of tubing string mandrel 20 to the axial movement of tubing string mandrel 20.
Preferably, the engaging force of neck and convex tendon 211 can be made to be arranged to move axially because of collision in tubing string mandrel 20
During gradually increase, so as to the progress of crumple gradually increase the crumple power of steering column structure.Therefore, institute can be made
State neck and be provided towards anti-rotation position groove width and taper into；Or as shown in Figures 4 to 6, the convex tendon 211 is set
To be tapered into towards anti-rotation position width.Thus, it is possible to during tubing string mandrel 20 moves axially because of collision,
So that clamping engaging force of the neck to convex tendon 211 gradually increases, so as to provide the crumple power gradually increased.
Wherein, to provide crumple pressure ring 40 and tubing string mandrel 20 stable, uniform positioning, it is preferable that the neck and
Convex tendon 211 is corresponding multiple and along the circumferentially disposed of the crumple pressure ring 40 and the tubing string mandrel 20.
In addition, neck can be set by various appropriate modes.In diagrammatically shown embodiment, for example, such as Fig. 2
Shown in Fig. 3, in the case that neck is arranged on crumple pressure ring 40, the inner side of the crumple pressure ring 40 is provided with paired elasticity
Tabletting 42 is to form the neck.Thus, it is possible to the engaging force of bias is provided convex tendon 211 by paired elastic pressuring plate 42,
So that convex tendon 221 can slide along neck.Also, with the slip of convex tendon 211, elastic pressuring plate 42 is to the increased convex tendon of width
221 part, which provides, biases tighter engaging force, so as to realize the gradual increase of crumple power.
In addition, for convenience of offer continuous steerable vertically and as crumple increases the clamping engaging force of neck and convex tendon 211,
Convex tendon 221 is continuous overall, and thus, with the progress of crumple, convex tendon 211 increases with the part of neck clamping, further
Add clamping engaging force and crumple power.In addition, elastic pressuring plate 42 can be with axially disposed multipair.To simplify structure, crumple pressure
Ring 40 could be arranged to the cylinder with engraved structure, be axially extended and circumferentially spaced as shown in Fig. 2 being provided with cylinder
Multiple side wall bars, multiple elastic pressuring plates 42 are set along side wall bar.
In the utility model, the tubing string mandrel 20 can include on tubing string mandrel 22 under mandrel 21 and tubing string, wherein, pipe
The outside of mandrel 21 generally has bigger space on post, and therefore, for convenience of arranging, second rotation preventing device is preferably provided at institute
State on tubing string on mandrel 21.
Furthermore it is possible to understand, steering column structure of the present utility model also includes being arranged on the outside of tubing string inner tube 10
Tubing string outer tube 50 is simultaneously arranged on corresponding fixed support by tubing string outer tube 50.Tubing string outer tube 50 and the structure class of prior art
Seemingly, herein not as stressing.
Illustrate the course of work of steering column structure of the present utility model with reference to the accompanying drawings.
As shown in figure 9, in the normal state of the vehicle, mandrel 21 passes through neck and convex tendon 211 with crumple pressure ring 40 on tubing string
Engage and keep being relatively fixed with predetermined pretightning force.Now, mandrel 21 can axially move relative to tubing string inner tube 10 on tubing string
Dynamic preset distance, to adapt to regulatory demand of the driver to steering wheel height, and in the moving range of the preset distance, burst
Contractive pressure ring 40 moves with mandrel on tubing string 21, and the first teeth groove 31 of the second teeth groove 41 and locating snap ring 30 of crumple pressure ring 40
Axial spacing is kept without engaging.
When colliding, mandrel 21 and crumple pressure ring 40 move axially together on tubing string, in anti-rotation as shown in Figure 10
Position, the second teeth groove 41 of crumple pressure ring 40 engage with the first teeth groove 31 of locating snap ring 30 and prevent that mandrel 21 (is managed on tubing string
Post mandrel 20) rotated relative to tubing string inner tube 10, so as to avoid steering wheel wide-angle rotation and thus caused personnel's wound rapidly
Evil.
After anti-rotation position is reached, crumple pressure ring 40 will be by the axial limiting of locating snap ring 30, the continuation of mandrel 21 on tubing string
Axial movement will overcome the pretightning force of neck and convex tendon 211 so that mandrel 21 is relative to crumple pressure ring 40 and locating snap ring on tubing string
30 (i.e. tubing string inner tubes 10) move axially, and in moving process, the part that the width of convex tendon 211 is larger will enter neck so that
Clamping engaging force of the neck to convex tendon 211 gradually increases, and so as to gradually increase crumple power, improves steering column structure in collision
Crumple effect, in vehicle personnel provide preferably protection.Further, since after crumple, neck can tightly block convex tendon
211, the elastic potential energy that the kinetic energy of collision is converted into elastic pressuring plate 42 can not discharge, and mandrel 21 will not move backward on tubing string, keep away
Exempt from caused by the tubing string mandrel of existing steering column structure reversely stretches out because of the energy release after crumple to the two of driver
Secondary injury.
According to another aspect of the present utility model, there is provided a kind of vehicle, wherein, it is provided with steering column knot of the present utility model
Structure.Vehicle of the present utility model can be prevented by steering column structure steering wheel collision when wide-angle rapidly rotation and
Thus the injury of caused finger and forearm to driver, the security performance of vehicle is improved.
The foregoing is only better embodiment of the present utility model, not to limit the utility model, it is all
Within the spirit and principles of the utility model, any modification, equivalent substitution and improvements made etc., it is new to should be included in this practicality
Within the protection domain of type.
Claims (10)
1. a kind of steering column structure, it is characterised in that the steering column structure includes tubing string inner tube (10) and is arranged on the pipe
And can be relative to the tubing string mandrel (20) of the tubing string inner tube (10) axial movement, the tubing string inner tube in post inner tube (10)
(10) the first rotation preventing device and the second rotation preventing device, first rotation preventing device and second and on the tubing string mandrel (20) are respectively arranged with
Rotation preventing device can be engaged with each other simultaneously when the tubing string mandrel (20) is moved to anti-rotation position relative to the tubing string inner tube (10)
The tubing string mandrel (20) is prevented to be rotated relative to the tubing string inner tube (10).
2. steering column structure according to claim 1, it is characterised in that divide on first rotation preventing device and the second rotation preventing device
The first teeth groove (31) and the second teeth groove (41) that can be engaged with each other are not provided with.
3. steering column structure according to claim 2, it is characterised in that first rotation preventing device is to be fixed on the tubing string
Locating snap ring (30) on the inside of inner tube (10), second rotation preventing device are the crumple pressure ring being set on the tubing string mandrel (20)
(40), the crumple pressure ring (40) is located at the inner side of the tubing string inner tube (10), and second teeth groove (41) is arranged on described burst
One end of contractive pressure ring (40).
4. steering column structure according to claim 3, it is characterised in that the locating snap ring (30) and the tubing string inner tube
(10) coaxially it is interference fitted and the tubing string inner tube (10) is fixed on by fastener (S)；And/or first teeth groove
(31) it is circumferentially disposed along the crumple pressure ring (40) along the circumferentially disposed of the locating snap ring (30), second teeth groove (41).
5. the steering column structure according to claim 3 or 4, it is characterised in that the crumple pressure ring (40) and the tubing string
Mandrel (20) is respectively arranged with the first junction surface and the second junction surface being engaged with each other, first junction surface and the second junction surface
One of be neck, another one is convex tendon (211), and the neck and/or the convex tendon (211) are parallel to the tubing string mandrel
(20) axially extending.
6. steering column structure according to claim 5, it is characterised in that the neck is provided towards the anti-rotation position
Groove width tapers into；Or the convex tendon (211) is provided towards anti-rotation position width and tapered into.
7. steering column structure according to claim 5, it is characterised in that the neck and convex tendon (211) are corresponding more
It is individual and along the circumferentially disposed of the crumple pressure ring (40) and the tubing string mandrel (20).
8. steering column structure according to claim 5, it is characterised in that be provided with the inside of the crumple pressure ring (40)
To elastic pressuring plate (42) to form the neck.
9. according to the steering column structure described in any one in claim 1-4, it is characterised in that tubing string mandrel (20) bag
Mandrel (22) under mandrel on tubing string (21) and tubing string is included, second rotation preventing device is arranged on the tubing string on mandrel (21).
10. a kind of vehicle, it is characterised in that be provided with the steering column structure described in any one in claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720444014.1U CN206644870U (en) | 2017-04-25 | 2017-04-25 | Steering column structure and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720444014.1U CN206644870U (en) | 2017-04-25 | 2017-04-25 | Steering column structure and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206644870U true CN206644870U (en) | 2017-11-17 |
Family
ID=60277847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720444014.1U Active CN206644870U (en) | 2017-04-25 | 2017-04-25 | Steering column structure and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206644870U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109291985A (en) * | 2018-10-08 | 2019-02-01 | 吉利汽车研究院（宁波）有限公司 | A kind of steering column assembly and vehicle for vehicle |
| WO2023020002A1 (en) * | 2021-08-19 | 2023-02-23 | 浙江吉利控股集团有限公司 | Steering wheel axial adjustment limiting structure not affecting collapse force |
-
2017
- 2017-04-25 CN CN201720444014.1U patent/CN206644870U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109291985A (en) * | 2018-10-08 | 2019-02-01 | 吉利汽车研究院（宁波）有限公司 | A kind of steering column assembly and vehicle for vehicle |
| WO2023020002A1 (en) * | 2021-08-19 | 2023-02-23 | 浙江吉利控股集团有限公司 | Steering wheel axial adjustment limiting structure not affecting collapse force |
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