CN110386184A - The steering column and vehicle of vehicle - Google Patents
The steering column and vehicle of vehicle Download PDFInfo
- Publication number
- CN110386184A CN110386184A CN201910707961.9A CN201910707961A CN110386184A CN 110386184 A CN110386184 A CN 110386184A CN 201910707961 A CN201910707961 A CN 201910707961A CN 110386184 A CN110386184 A CN 110386184A
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- China
- Prior art keywords
- crumple
- input shaft
- steering column
- chamber
- piston
- 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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- 239000007788 liquid Substances 0.000 claims description 32
- 239000011553 magnetic fluid Substances 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 230000009471 action Effects 0.000 description 6
- 238000009413 insulation Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 4
- 230000005684 electric field Effects 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 210000004712 air sac Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000003195 fascia Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
- B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
- B62D1/16—Steering columns
- B62D1/18—Steering columns yieldable or adjustable, e.g. tiltable
- B62D1/19—Steering columns yieldable or adjustable, e.g. tiltable incorporating energy-absorbing arrangements, e.g. by being yieldable or collapsible
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
- B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
- B62D1/16—Steering columns
- B62D1/18—Steering columns yieldable or adjustable, e.g. tiltable
- B62D1/19—Steering columns yieldable or adjustable, e.g. tiltable incorporating energy-absorbing arrangements, e.g. by being yieldable or collapsible
- B62D1/192—Yieldable or collapsible columns
Abstract
The invention discloses a kind of steering column of vehicle and vehicle, the steering column of vehicle includes: output shaft, input shaft and crumple component.Output shaft includes first segment and the second segment that connect with first segment；Input shaft has cushion chamber, and first segment is located in cushion chamber, and second segment is located at outside cushion chamber, and input shaft is removable along the axis direction of input shaft relative to output shaft, and input shaft includes third section, and third section is coated at first segment；Crumple component internal has cavity, crumple component includes piston, piston is set in cavity, cavity is divided into the first crumple chamber and the second crumple chamber, first crumple chamber and the second crumple are intracavitary filled with buffer medium, piston is with input axis connection and piston is moved synchronously with input shaft, to adjust the volumetric ratio of the first crumple chamber and the second crumple chamber.As a result, by output shaft, input shaft and the cooperation of crumple component, the active crumple function of steering column can be realized, after crumple occurs for steering column, steering column can be reused.
Description
Technical field
The present invention relates to vehicular field, the steering column more particularly, to a kind of vehicle and the steering tube with the vehicle
The vehicle of column.
Background technique
The steering column of vehicle is connected to steering wheel and diverter, and driver can be applied to steering wheel by steering column
Steering moment passes to turning machine, and driver controls the driving direction of automobile by steering wheel, steering column and turning machine.With
The raising of requirement of the people to vehicle riding comfort and drive safety, it is desirable that steering column is able to achieve height adjustment, can incite somebody to action
Steering wheel is adjusted to be suitble to the position of driver's operation.
In the related technology, when a vehicle is in a collision, the chest of driver and head are easy to bump against steering wheel, driver's meeting
By a reverse impact power from steering column and steering wheel, to driver.Steering column mostly uses at present
Be passive type machinery crumple endergonic structure, mechanical crumple endergonic structure is the mechanism that cannot be reused, once occur crumple
Steering column, which will be scrapped, to be reused.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, one object of the present invention
It is to propose that a kind of steering column of vehicle, the steering column of the vehicle have the function of active crumple, crumple occurs for steering column
Afterwards, steering column can reuse.
The present invention further proposes a kind of vehicle.
The steering column of vehicle according to the invention includes: output shaft, and one end of the output shaft is suitable for connecting with diverter
It connects, the output shaft includes first segment and the second segment that connect with the first segment；Input shaft, the input shaft is suitable for and direction
Disk connection, the input shaft have cushion chamber, and the first segment is located in the cushion chamber, and the second segment is located at the buffering
Outside chamber, the input shaft and the output shaft synchronous are rotated, and the input shaft is relative to the output shaft along the input shaft
Axis direction is removable, and the input shaft includes third section, and the third section is coated at the first segment；Crumple component, it is described
Crumple component is connected to the output shaft, and the output shaft can be rotated relative to the crumple component, in the crumple component
Portion has cavity, and the crumple component includes piston, and the piston is set in the cavity, and the cavity is divided into first
Crumple chamber and the second crumple chamber, the first crumple chamber and second crumple it is intracavitary be filled with buffer medium, the piston with
The input axis connection and piston is moved synchronously with the input shaft is burst with adjusting the first crumple chamber and described second
The volumetric ratio of contracting chamber.
The steering column of vehicle according to the invention is cooperated by output shaft, input shaft and crumple component, be can be realized and is turned
To the active crumple function of tubing string, after crumple occurs for steering column, steering column can be reused.
In some embodiments of the invention, the crumple component further include casing, first seal, second seal and
Communicating pipe, the piston clip are set between the output shaft and described sleeve pipe, and the piston bush is set to the outer of the output shaft
Peripheral wall, the piston are connect with the end of the input shaft；Described sleeve pipe is coated at the third section and the second segment, described
First seal is sheathed on the periphery wall of the input shaft, and the first seal and the piston are along the axis of the input shaft
Line direction is spaced apart, the periphery wall of the third section, the first seal, the inside peripheral wall of the piston and described sleeve pipe it
Between limit the first crumple chamber, the second seal is sheathed on the periphery wall of the output shaft, and second sealing
Axis direction of the part with the piston along the output shaft is spaced apart, the periphery wall of the second segment, the second seal, institute
It states and limits the second crumple chamber between piston and the internal perisporium of described sleeve pipe, the communicating pipe bursts for being connected to described first
Contracting chamber and the second crumple chamber, and it is suitable for adjusting the volumetric ratio of the first crumple chamber and the second crumple chamber.
In some embodiments of the invention, the crumple component further includes solenoid valve, and the solenoid valve is set to the company
Siphunculus, with the flow for controlling the buffer medium passed through in the communicating pipe.
In some embodiments of the invention, the crumple component further includes liquid reserve tank, and the liquid reserve tank is set to the company
The middle part of siphunculus, the solenoid valve be two, one of them described solenoid valve be located at the communicating pipe one end and the liquid storage
Between case, solenoid valve described in another one is located between the other end and the liquid reserve tank of the communicating pipe.
In some embodiments of the invention, the crumple component further includes kicker magnet and electrode plate, the kicker magnet and
The electrode plate is set to the internal perisporium of described sleeve pipe, and the kicker magnet and the electrode plate are along the circumferential direction of described sleeve pipe
Interval setting.
In some embodiments of the invention, the kicker magnet is two, diameter of two kicker magnets along described sleeve pipe
It is oppositely arranged to direction；The electrode plate is two, and two electrode plates are oppositely arranged along the radial direction of described sleeve pipe, and
Two electrode plates are interspersed with two kicker magnets along the circumferential direction of described sleeve pipe.
In some embodiments of the invention, the internal perisporium of described sleeve pipe has the first insulating layer.
In some embodiments of the invention, the steering column of the vehicle further includes first bearing, the first axle
The inner ring held is coated at the input shaft, and described sleeve pipe is placed in the outer ring of the first bearing, the first bearing and institute
The axis direction that first seal is stated along the input shaft is spaced apart.
In some embodiments of the invention, the steering column of the vehicle further includes second bearing and bearing block, institute
It states and is placed on described sleeve pipe in bearing block, the inner ring of the second bearing is coated at the output shaft, the outer ring of the second bearing
It is connect with the bearing block.
In some embodiments of the invention, in the periphery wall of the periphery wall of the input shaft and the output shaft at least
One is equipped with second insulating layer.
In some embodiments of the invention, the buffer medium is conducting liquid or magnetic fluid liquid.
In some embodiments of the invention, the steering column of the vehicle further includes lock ring, and the lock ring is coated at
The input shaft, with the movement for limiting the input shaft.
Vehicle according to the invention includes: electronic control unit；Steering column, the steering column and the electronic control unit communicate
Connection, the steering column are the steering column of above-mentioned vehicle.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the cross-sectional view of steering column according to an embodiment of the present invention；
Fig. 2 is the cross-sectional view in Fig. 1 at A-A；
Fig. 3 is the cross-sectional view in Fig. 1 at B-B；
Fig. 4 is the cross-sectional view of another specific embodiment of steering column according to an embodiment of the present invention；
Fig. 5 is the cross-sectional view in Fig. 4 at C-C；
Fig. 6 is the cross-sectional view in Fig. 4 at D-D.
Appended drawing reference:
Steering column 10；
Output shaft 1；First segment 11；Second segment 12；
Input shaft 2；Cushion chamber 21；Third section 22；
Crumple component 3；Cavity 31；First crumple chamber 32；Second crumple chamber 33；Piston 34；Buffer medium 35；Casing 36；
First seal 37；Second seal 38；Communicating pipe 39；Solenoid valve 391；Liquid reserve tank 392；Kicker magnet 393；Electrode plate 394；
First insulating layer 4；First bearing 5；Second bearing 6；Bearing block 7；Second insulating layer 8；Lock ring 9；Upper tubular column bracket
91；Down tube column holder 92；Electromagnet 93；
Electronic control unit 20.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
The steering column 10 of vehicle according to an embodiment of the present invention is described below with reference to Fig. 1-Fig. 6.
As shown in Figure 1-Figure 3, the steering column 10 of first embodiment according to the present invention includes: output shaft 1, input shaft 2
With crumple component 3.One end of output shaft 1 is suitable for connecting with diverter, and output shaft 1 includes first segment 11 and connect with first segment 11
Second segment 12, input shaft 2 be suitable for connect with steering wheel, output shaft 1 is connected with input shaft 2 by spline, and driver is to direction
The torque that disk applies passes to output shaft 1 by spline by input shaft 2, then passes to the diverter of 10 rear end of steering column again
And tire, it is ensured that the torque of the reliablely and stablely direction of transfer disk of steering column 10.
Input shaft 2 has cushion chamber 21, and first segment 11 is located in cushion chamber 21, and second segment 12 is located at outside cushion chamber 21, defeated
Enter axis 2 and output shaft 1 rotates synchronously, axis direction of the input shaft 2 relative to output shaft 1 along input shaft 2 moves, input shaft 2
Including third section 22, third section 22 is coated at first segment 11, it should be noted that first segment 11, second segment 12 and third section 22
Length be variation, when input shaft 2 moves in the axial direction, the length of the output shaft 1 in cushion chamber 21 is first segment
11, the length of the output shaft 1 outside cushion chamber 21 is second segment 12, and 2 length of input shaft being coated on first segment 11 is the
Three section 22.
Crumple component 3 is connect with output shaft 1, and output shaft 1 can be rotated relative to crumple component 3, have inside crumple component 3
There is a cavity 31, crumple component 3 includes piston 34, and piston 34 is set in cavity 31, and cavity 31 can be divided into the by piston 34
Buffer medium 35, piston 34 are filled in one crumple chamber 32 and the second crumple chamber 33, the first crumple chamber 32 and the second crumple chamber 33
It is connect with input shaft 2 and piston 34 is moved synchronously with input shaft 2, it is to be understood that move synchronously can for piston 34 and input shaft 2
To refer to that piston 34 and input shaft 2 rotate synchronously, it can also refer to that piston 34 is moved along the axis direction of input shaft 2 together with input shaft 2
It is dynamic, when piston 34 and input shaft 2 are moved along the axis direction of input shaft 2 together, adjustable first crumple chamber 32 and second
The volumetric ratio of crumple chamber 33, volumetric ratio refer to the ratio of the volume of the first crumple chamber 32 and the volume of the second crumple chamber 33.
Wherein, the buffering when the height of steering column 10 needs to adjust, in the first crumple chamber 32 and the second crumple chamber 33
Medium 35 is filled with 35 internal circulation flow of buffer medium in the first crumple chamber 32 and the second crumple chamber 33, makes the first crumple chamber 32
Change with the volumetric ratio of the second crumple chamber 33, then axis direction of the piston 34 with input shaft 2 together along input shaft 2 moves, most
So that input shaft 2 is adjusted to driver eventually and think suitable position, so as to realize the work mesh for adjusting 10 height of steering column
's.
Also, when a vehicle is in a collision, the buffer medium 35 in the second crumple chamber 33 is flowed into the first crumple chamber 32,
Buffer medium 35 in first crumple chamber 32 pushes piston 34 to move down, and then piston 34 moves downwardly together with input shaft 2
It is dynamic, it realizes the crumple of steering column 10, steering column 10 can be reduced and steering wheel is applied to the reverse impact power of driver, from
And collision injury caused by driver can be reduced, and then the drive safety of vehicle can be promoted.
Meanwhile after the completion of 10 crumple of steering column, the buffer medium 35 in the first crumple chamber 32 is into the second crumple chamber 33
Flowing, the buffer medium 35 in the second crumple chamber 33 push piston 34 to move up, then piston 34 with input shaft 2 together to
Upper movement makes input shaft 2 be moved to the position before 10 crumple of steering column, after realizing 10 crumple of steering column
It reuses.
Cooperated as a result, by output shaft 1, input shaft 2 and crumple component 3, can be realized the active crumple of steering column 10
Function, after crumple occurs for steering column 10, steering column 10 can be reused.
As shown in Figure 1, crumple component 3 can also include casing 36, first seal 37, second seal 38 and communicating pipe
39, casing 36 can be fixed on the crossbeam below fascia by upper tubular column bracket 91 and down tube column holder 92.Piston
34 are located between output shaft 1 and casing 36, and piston 34 is sheathed on the periphery wall of output shaft 1, piston 34 and input shaft 2
End connection, such as: piston 34 is connect with the lower end of input shaft 2.
Casing 36 is coated at third section 22 and second segment 12, and first seal 37 is sheathed on the periphery wall of input shaft 2, and
First seal 37 is spaced apart setting, the periphery wall of third section 22, first seal along the axis direction of input shaft 2 with piston 34
37, the first crumple chamber 32 is limited between piston 34 and the inside peripheral wall of casing 36.Second seal 38 is sheathed on output shaft 1
On periphery wall, and second seal 38 is spaced apart setting, the periphery of second segment 12 along the axis direction of output shaft 1 with piston 34
The second crumple chamber 33 is limited between wall, second seal 38, piston 34 and the internal perisporium of casing 36, communicating pipe 39 is for being connected to
First crumple chamber 32 and the second crumple chamber 33, and communicating pipe 39 is suitable for adjusting the appearance of the first crumple chamber 32 and the second crumple chamber 33
Product ratio.
Specifically, buffer medium 35, the first crumple chamber 32 and second are full of in the first crumple chamber 32 and the second crumple chamber 33
By being connected to communicating pipe 39, the buffer medium 35 in the first crumple chamber 32 can flow into second by communicating pipe 39 and burst crumple chamber 33
In contracting chamber 33, the buffer medium 35 in the second crumple chamber 33 can be flowed into the first crumple chamber 32 by communicating pipe 39, so as to
To realize the work purpose of the volumetric ratio of the first crumple chamber 32 of adjustment and the second crumple chamber 33.
As shown in Figure 1, crumple component 3 can also include solenoid valve 391, solenoid valve 391 is set to communicating pipe 39, solenoid valve
391 can be used for controlling the flow of the buffer medium 35 passed through in communicating pipe 39.Wherein, it can be controlled by the way that solenoid valve 391 is arranged
The amount for making buffer medium 35 in the first crumple chamber 32 and the second crumple chamber 33, does not adjust the height and steering tube of steering column 10
When crumple does not occur for column 10, solenoid valve 391 is closed, and setting in this way can make slow in the first crumple chamber 32 and the second crumple chamber 33
It rushes medium 35 to remain stationary, the effect that piston 34 will receive motionless buffer medium 35 is remain stationary.
When the height of steering column 10 needs to adjust, solenoid valve 391, the first crumple chamber 32 and the second crumple chamber 33 are opened
Interior buffer medium 35 circulates between the first crumple chamber 32 and the second crumple chamber 33, and the first crumple chamber 32 and second is made to burst
The volumetric ratio of contracting chamber 33 changes, and then axis direction of the piston 34 with input shaft 2 together along input shaft 2 moves, and finally makes to input
Axis 2 is adjusted to driver and thinks suitable position, so as to realize the work purpose for adjusting 10 height of steering column.
Also, solenoid valve 391 when a vehicle is in a collision, is opened, the buffer medium 35 to first in the second crumple chamber 33
It is flowed in crumple chamber 32, the buffer medium 35 in the first crumple chamber 32 pushes piston 34 to move down, and then piston 34 is with defeated
Enter axis 2 to move downwardly together, realizes the crumple of steering column 10, steering column 10 can be reduced and steering wheel is applied to driver
Reverse impact power and then the drive safety of vehicle can be promoted so as to reduce collision injury caused by driver.
Meanwhile after the completion of 10 crumple of steering column, solenoid valve 391 is opened, the buffer medium 35 in the first crumple chamber 32 to
It is flowed in second crumple chamber 33, the buffer medium 35 in the second crumple chamber 33 pushes piston 34 to move up, then 34 band of piston
Input shaft 2 move upwardly together, so that input shaft 2 is moved to the position before 10 crumple of steering column, so as to realize turn
Reuse to after 10 crumple of tubing string.
As shown in Figure 1, crumple component 3 can also include liquid reserve tank 392, liquid reserve tank 392 is set to the middle part of communicating pipe 39
Position can store buffer medium 35 in liquid reserve tank 392, and thereby may be ensured that has enough buffer mediums in steering column 10
35.Solenoid valve 391 can be set to two, one of solenoid valve 391 be located at communicating pipe 39 one end and liquid reserve tank 392 it
Between, another one solenoid valve 391 is located between the other end and liquid reserve tank 392 of communicating pipe 39, and such setting can be controlled respectively
Make the filling amount of buffer medium 35 in the first crumple chamber 32 and the second crumple chamber 33.
As shown in Figure 1-Figure 3, crumple component 3 can also include kicker magnet 393 and electrode plate 394, kicker magnet 393 and electrode
Plate 394 is all set in the internal perisporium of casing 36, and kicker magnet 393 is set with electrode plate 394 along the circumferential direction interval of casing 36
It sets, setting in this way can form the constant magnetic of a magnetic field strength and direction in the first crumple chamber 32 and the second crumple chamber 33
, the magnetic field is vertical with the axis of steering column 10.
Electrode plate 394 be powered when can be generated in the first crumple chamber 32 and the second crumple chamber 33 one it is vertical with magnetic direction
Electric field.When electrode plate 394 is powered, the buffer medium 35 in the first crumple chamber 32 and the second crumple chamber 33 is orthogonal
Under the action of magnetic field and electric field, direction can be generated controllably with adjustable Lorentz force, buffer medium 35 is in Lorentz force
Piston 34 is pushed to move up and down along the axis direction of input shaft 2 under effect, so as to realize the vertically side of steering column 10
To height adjustment.
As shown in Figures 2 and 3, kicker magnet 393 can be set to two, and two kicker magnets 393 are along the radial direction side of casing 36
To being oppositely arranged, electrode plate 394 may be set to be two, and two electrode plates 394 are oppositely arranged along the radial direction of casing 36,
And two electrode plates 394 are interspersed with two kicker magnets 393 along the circumferential direction of casing 36.Wherein, two kicker magnets 393
One is the pole N, another opens two solenoid valves 391, coordination electrode when the height of steering column 10 needs to adjust for the pole S
The voltage and electric power polarity of plate 394, the buffer medium 35 in the first crumple chamber 32 and the second crumple chamber 33 can be orthogonal
It is acted under the action of magnetic field and electric field by Lorentz force, buffer medium 35 will push 34 edge of piston under the action of Lorentz force
The axis direction movement of input shaft 2, adjust input shaft 2 to position desired by driver.
Also, during 10 crumple of steering column, the voltage by changing 394 both ends of electrode plate controls the strong of electric field
Degree, to change the size for the Lorentz force that buffer medium 35 is subject to, so as to control the crumple stroke of steering column 10 and burst
The steering column 10 of contracting power, the application can automatically adjust crumple power and crumple stroke in crumple.Meanwhile the steering of the application
Tubing string 10 can revert to the state before crumple automatically, the recycling after 10 crumple of steering column may be implemented, so as to
Vehicle is reduced to collide the maintenance cost of rear steering tubing string 10.In addition, the structure of the steering column 10 of the application is simple, operation
Reliably, the consistency of product is high when production.
As shown in Figure 1, the internal perisporium of casing 36 has the first insulating layer 4, the first insulating layer 4 has insulation performance, works as electricity
When pole plate 394 is powered, fax can be prevented to be directed at the outer surface of casing 36, can be leaked electricity to avoid steering column 10, so as to
It prevents driver from getting an electric shock, and then the drive safety of vehicle can be promoted.
As shown in Figure 1, steering column 10 can also include first bearing 5, the inner ring of first bearing 5 is coated at input shaft 2,
And casing 36 is placed in the outer ring of first bearing 5, first bearing 5 and first seal 37 are between the axis direction of input shaft 2
Be spaced apart, in this way setting input shaft 2 can be made to be securely supported in casing 36, can make input shaft 2 in casing 36 from
By rotating.
As shown in Figure 1, steering column 10 can also include: second bearing 6 and bearing block 7, casing is placed in bearing block 7
36, the inner ring of second bearing 6 is coated at output shaft 1, and the outer ring of second bearing 6 is connect with bearing block 7, and such setting can make defeated
Shaft 1 is reliably mounted in casing 36, and output shaft 1 can be made to be freely rotated in casing 36, thereby may be ensured that steering tube
The torque of the reliablely and stablely direction of transfer disk of column 10.
As shown in Figure 1, at least one of the periphery wall and the periphery wall of output shaft 1 of input shaft 2 are provided with the second insulation
Layer 8, that is to say, that second insulating layer 8 can be positioned only on the periphery wall of input shaft 2, can also be positioned only at output shaft 1
On periphery wall, it can also be arranged in simultaneously on the periphery wall of input shaft 2 and the periphery wall of output shaft 1, the application is with the second insulation
For layer 8 is arranged on the periphery wall of input shaft 2 and the periphery wall of output shaft 1 simultaneously.Wherein, second insulating layer 8 has insulation
Performance, when electrode plate 394 is powered, being arranged such can prevent fax to be directed at the outer surface of input shaft 2 and output shaft 1, can be with
The electric leakage of steering column 10 is further avoided, so as to further prevent driver to get an electric shock, and then can further promote vehicle
Drive safety.
Buffer medium 35 can be set to conducting liquid, and in the above-described embodiments, buffer medium 35 is set as conducting liquid,
When electrode plate 394 is powered, such setting can guarantee effect of the buffer medium 35 by Lorentz force, can make buffer medium
35 flow between the first crumple chamber 32 and the second crumple chamber 33, thereby may be ensured that steering column 10 works normally.
As depicted in figs. 1 and 2, steering column 10 can also include: lock ring 9, and lock ring 9 is coated on input shaft 2, lock ring 9
It can be used for limiting the movement of input shaft 2, such as: when not needing the rotation of input shaft 2, lock ring 9 can be locked input shaft 2,
So as to avoid input shaft 2 from rotating, after input shaft 2 moves a segment length under the axis direction of input shaft 2, lock ring 9 can
With with 36 backstop of first bearing 5 and/or casing, so as to avoid input shaft 2 from moving down always.
Vehicle according to an embodiment of the present invention includes: electronic control unit 20 and steering column 10, steering column 10 and automatically controlled list
First 20 communication connections, steering column 10 are the steering column 10 of above-described embodiment.When a vehicle is in a collision, air bag controls
Air bag detonator signal can be sent to electronic control unit 20 by device.Electronic control unit 20 controls two solenoid valves 391 and opens, automatically controlled list
Member 20 can make buffer medium 35 by different size of Lorentz force by the voltage value at 394 both ends of coordination electrode plate, and buffering is situated between
Matter 35 pushes piston 34 to move in casing 36 under the action of Lorentz force, realizes the crumple of steering column 10.Work as steering tube
After 10 crumple of column, electronic control unit 20 can give electrode plate 394 logical opposite electric power polarity, and buffer medium 35 will receive on the contrary
Lorentz force, buffer medium 35 push piston 34 move in the opposite direction, so that input shaft 2 is returned to the position before crumple,
So as to realize the reuse after 10 crumple of steering column.
As shown in Figure 4-Figure 6, the steering column 10 of second embodiment according to the present invention includes: output shaft 1, input shaft 2
With crumple component 3.One end of output shaft 1 is suitable for connecting with diverter, and output shaft 1 includes first segment 11 and connect with first segment 11
Second segment 12, input shaft 2 be suitable for connect with steering wheel, output shaft 1 is connected with input shaft 2 by spline, and driver is to direction
The torque that disk applies passes to output shaft 1 by spline by input shaft 2, then passes to the diverter of 10 rear end of steering column again
And tire, it is ensured that the torque of the reliablely and stablely direction of transfer disk of steering column 10.
Input shaft 2 has cushion chamber 21, and first segment 11 is located in cushion chamber 21, and the second segment 12 is located at cushion chamber 21
Outside, input shaft 2 and output shaft 1 rotate synchronously, and input shaft 2 is removable along the axis direction of input shaft 2 relative to output shaft 1, defeated
Entering axis 2 includes third section 22, and the third section 22 is coated at first segment 11, it should be noted that first segment 11,12 and of second segment
The length of third section 22 is variation, when input shaft 2 moves in the axial direction, the length of the output shaft 1 in cushion chamber 21
For first segment 11, the length of the output shaft 1 outside cushion chamber 21 is second segment 12, the input shaft 2 being coated on first segment 11
Length is third section 22.
Crumple component 3 is connect with output shaft 1, and output shaft 1 can be rotated relative to crumple component 3, and crumple component 3 includes living
Plug 34, casing 36, first seal 37, second seal 38 and communicating pipe 39, piston 34 be located in output shaft 1 and casing 36 it
Between, and piston 34 is sheathed on the periphery wall of output shaft 1, piston 34 is connect with the end of input shaft 2.Casing 36 is coated at third section
22 and second segment 12, first seal 37 is sheathed on the periphery wall of input shaft 2, and first seal 37 and piston 34 are along input shaft
2 axis direction is arranged spaced apart, the periphery wall of third section 22, first seal 37, the inside peripheral wall of piston 34 and casing 36
Between limit the first crumple chamber 32.Second seal 38 is sheathed on the periphery wall of output shaft 1, and second seal 38 and piston
34 along output shaft 1 axis direction it is arranged spaced apart, the periphery wall of second segment 12, second seal 38, piston 34 and casing 36
Internal perisporium between limit the second crumple chamber 33.
Piston 34 is for separating the first crumple chamber 32 and the second crumple chamber 33, the first crumple chamber 32 and the second crumple chamber
Buffer medium 35 is filled in 33, communicating pipe 39 is for being connected to the first crumple chamber 32 and the second crumple chamber 33, piston 34 and input
Axis 2 moves synchronously, it is to be understood that piston 34 is moved synchronously with input shaft 2 can refer to synchronous with input shaft 2 turn of piston 34
It is dynamic, it can also refer to that axis direction of the piston 34 with input shaft 2 together along input shaft 2 moves, in piston 34 and input shaft 2 together edge
When the axis direction of input shaft 2 is mobile, it may be adapted to the volumetric ratio for adjusting the first crumple chamber 32 and the second crumple chamber 33, casing 36
Internal perisporium be provided with electromagnet 93, electromagnet 93 is electrically connected with the electronic control unit 20 of vehicle.
Wherein, the buffering when the height of steering column 10 needs to adjust, in the first crumple chamber 32 and the second crumple chamber 33
Medium 35 is filled with 35 internal circulation flow of buffer medium in the first crumple chamber 32 and the second crumple chamber 33, makes the first crumple chamber 32
Change with the volumetric ratio of the second crumple chamber 33, then axis direction of the piston 34 with input shaft 2 together along input shaft 2 moves, most
So that input shaft 2 is adjusted to driver eventually and think suitable position, so as to realize the work mesh for adjusting 10 height of steering column
's.
When the crash sensor of vehicle or electronic control unit 20 detect vehicle collision signal, safety air sac controller is logical
It crosses data line and air bag detonator signal is passed into electronic control unit 20, electronic control unit 20 passes through control 93 interior loop of electromagnet
Current value carrys out the magnetic field strength in regulating magnet 93, and the buffer medium 35 in the first crumple chamber 32 and the second crumple chamber 33 is in magnetic
It can be flowed between the first crumple chamber 32 and the second crumple chamber 33 under field action.When vehicle collision, the chest meeting of driver
A pressure is transmitted to the input shaft 2 of steering column 10 by steering wheel, the input shaft 2 of such steering column 10 can be in pressure
Effect is lower to occur downwards crumple, up to 2 crumple of input shaft to range.When 10 crumple of steering column, 32 He of the first crumple chamber
Buffer medium 35 in second crumple chamber 33 is in flow regime, due to intensity of the density by magnetic field of buffer medium 35 itself
It changes, then piston 34 just will receive resistance when moving down, also due to the density of buffer medium 35 changes and occurs
Variation.So steering column 10 can generate corresponding crumple power during crumple, meet the 10 crumple power of steering column of vehicle
Requirement.
When vehicle collide and 10 crumple of steering column after, electronic control unit 20 by control 93 interior loop of electromagnet
The magnetic field strength come in regulating magnet 93 of current value until making magnetic field strength zero, the first crumple chamber 32 and the second crumple chamber
Buffer medium 35 in 33 can be in free-flowing under magnetic fields.Vehicle maintenance personnel can be either manually or by pulling up direction
Input shaft 2 is recovered to the state before 10 crumple of steering column by disk, and starts 10 reset signal of pipe steering column, at this moment steering tube
The electronic control unit 20 of column 10 will continue to make the first crumple chamber 32 and the second crumple chamber by the electric current for controlling 93 interior loop of electromagnet
The buffer medium 35 for generating a stronger magnetic field in 33, and keeping above-mentioned two crumple intracavitary solidifies, and input shaft 2 is in casing 36
It is motionless above and below interior holding, it can only be freely rotated, steering column 10 is made to be restored to the state before crumple, steering column 10 may be implemented
Reuse after crumple.
Also, during 10 crumple of steering column, electronic control unit 20 passes through the first crumple chamber 32 of control and the second crumple
Magnetic field strength in chamber 33 changes the viscosityes of the media cures in the first crumple chamber 32 and the second crumple chamber 33, to adjust
The size of the crumple power of steering column 10.This active crumple steering column 10 can be in tubing string crumple automatically according to crumple
State before stroke controls the size of crumple power, and system can also revert to crumple after the completion crumple of steering column 10, can
To realize the recycling after 10 crumple of steering column, reduces automobile and collide the maintenance cost of rear steering tubing string 10.
As shown in figure 4, crumple component 3 can also include solenoid valve 391, solenoid valve 391 is set to communicating pipe 39, solenoid valve
391 can be used for controlling the flow of the buffer medium 35 passed through in communicating pipe 39.Wherein, it can be controlled by the way that solenoid valve 391 is arranged
The amount for making buffer medium 35 in the first crumple chamber 32 and the second crumple chamber 33, does not adjust the height and steering tube of steering column 10
When crumple does not occur for column 10, solenoid valve 391 is closed, and setting in this way can make slow in the first crumple chamber 32 and the second crumple chamber 33
It rushes medium 35 to remain stationary, the effect that piston 34 will receive motionless buffer medium 35 is remain stationary.
When the height of steering column 10 needs to adjust, solenoid valve 391, the first crumple chamber 32 and the second crumple chamber 33 are opened
Interior buffer medium 35 circulates between the first crumple chamber 32 and the second crumple chamber 33, and the first crumple chamber 32 and second is made to burst
The volumetric ratio of contracting chamber 33 changes, and then axis direction of the piston 34 with input shaft 2 together along input shaft 2 moves, and finally makes to input
Axis 2 is adjusted to driver and thinks suitable position, so as to realize the work purpose for adjusting 10 height of steering column.
Also, solenoid valve 391 when a vehicle is in a collision, is opened, the buffer medium 35 to first in the second crumple chamber 33
It is flowed in crumple chamber 32, the buffer medium 35 in the first crumple chamber 32 pushes piston 34 to move down, and then piston 34 is with defeated
Enter axis 2 to move downwardly together, realizes the crumple of steering column 10, steering column 10 can be reduced and steering wheel is applied to driver
Reverse impact power and then the drive safety of vehicle can be promoted so as to reduce collision injury caused by driver.
Meanwhile after the completion of 10 crumple of steering column, solenoid valve 391 is opened, the buffer medium 35 in the first crumple chamber 32 to
It is flowed in second crumple chamber 33, the buffer medium 35 in the second crumple chamber 33 pushes piston 34 to move up, then 34 band of piston
Input shaft 2 move upwardly together, so that input shaft 2 is moved to the position before 10 crumple of steering column, so as to realize turn
Reuse to after 10 crumple of tubing string.
As shown in figure 4, crumple component 3 can also include liquid reserve tank 392, liquid reserve tank 392 is set to the middle part of communicating pipe 39
Position can store buffer medium 35 in liquid reserve tank 392, and thereby may be ensured that has enough buffer mediums in steering column 10
35.Solenoid valve 391 can be set to two, one of solenoid valve 391 be located at communicating pipe 39 one end and liquid reserve tank 392 it
Between, another one solenoid valve 391 is located between the other end and liquid reserve tank 392 of communicating pipe 39, and such setting can be controlled respectively
Make the filling amount of buffer medium 35 in the first crumple chamber 32 and the second crumple chamber 33.
The internal perisporium of casing 36 has the first insulating layer 4, and the first insulating layer 4 has insulation performance, when electromagnet 93 is powered
When, fax can be prevented to be directed at the outer surface of casing 36, can be leaked electricity to avoid steering column 10, so as to prevent driver from touching
Electricity, and then the drive safety of vehicle can be promoted.
As shown in figure 4, steering column 10 can also include first bearing 5, the inner ring of first bearing 5 is coated at input shaft 2,
And casing 36 is placed in the outer ring of first bearing 5, first bearing 5 and first seal 37 are between the axis direction of input shaft 2
Be spaced apart, in this way setting input shaft 2 can be made to be securely supported in casing 36, can make input shaft 2 in casing 36 from
By rotating.
As shown in figure 4, steering column 10 can also include: second bearing 6 and bearing block 7, casing is placed in bearing block 7
36, the inner ring of second bearing 6 is coated at output shaft 1, and the outer ring of second bearing 6 is connect with bearing block 7, and such setting can make defeated
Shaft 1 is reliably mounted in casing 36, and output shaft 1 can be made to be freely rotated in casing 36, thereby may be ensured that steering tube
The torque of the reliablely and stablely direction of transfer disk of column 10.
At least one of periphery wall and the periphery wall of output shaft 1 of input shaft 2 are provided with second insulating layer 8, that is,
It says, second insulating layer 8 can be positioned only on the periphery wall of input shaft 2, it can also be positioned only on the periphery wall of output shaft 1,
It can also be arranged in simultaneously on the periphery wall of input shaft 2 and the periphery wall of output shaft 1, the application is set simultaneously with second insulating layer 8
For setting on the periphery wall of input shaft 2 and the periphery wall of output shaft 1.Wherein, second insulating layer 8 has insulation performance, works as electricity
When magnet 93 is powered, such setting can prevent fax to be directed at the outer surface of input shaft 2 and output shaft 1, can further avoid
Steering column 10 leaks electricity, and so as to further prevent driver to get an electric shock, and then can further promote the driving safety of vehicle
Property.
Buffer medium 35 can be set to magnetic fluid liquid, and in the above-described embodiments, buffer medium 35 is set as magnetic fluid
The density of liquid, magnetic fluid liquid changes with the variation in magnetic field, and when steering column 10 works normally, electromagnet 93 is powered
Magnetic field can be generated, author of the magnetic fluid liquid in magnetic field will become high density (almost solid) under, so as to so that steering tube
The height of column 10 remains unchanged.When automobile collides, driver can be pressed on the steering wheel, give one pressure of steering wheel, make to turn
Crumple occurs to tubing string 10, specifically, when crumple occurs for steering column 10, it is strong that electromagnet 93 reduces electrical current reduction magnetic field
Degree, then the density of magnetic fluid liquid can become smaller and (can become sticky liquid), open the second crumple chamber 33 after solenoid valve 391
Interior magnetic fluid liquid is flowed into the first crumple chamber 32, and the magnetic fluid liquid-driving piston 34 in the first crumple chamber 32 is to moving down
Dynamic, then piston 34 moves downwardly together with input shaft 2, realizes the crumple of steering column 10.
As shown in figure 4, steering column 10 can also include: lock ring 9, lock ring 9 is coated on input shaft 2, and lock ring 9 can be used
In the movement for limiting input shaft 2, such as: when not needing the rotation of input shaft 2, lock ring 9 can be locked input shaft 2, so as to
To avoid the rotation of input shaft 2, after input shaft 2 moves a segment length under the axis direction of input shaft 2, lock ring 9 can be with the
36 backstop of one bearing 5 and/or casing, so as to avoid input shaft 2 from moving down always.
Vehicle according to an embodiment of the present invention includes: electronic control unit 20 and steering column 10, steering column 10 and automatically controlled list
First 20 communication connections, steering column 10 are the steering column 10 of above-described embodiment.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned term
Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can be combined in any suitable manner in any one or more of the embodiments or examples.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is defined by the claims and their equivalents.
Claims (13)
1. a kind of steering column of vehicle characterized by comprising
Output shaft, one end of the output shaft are suitable for connecting with diverter, and the output shaft includes first segment and with described first
The second segment of section connection；
Input shaft, the input shaft are suitable for connecting with steering wheel, and the input shaft has cushion chamber, and the first segment is located at described
In cushion chamber, the second segment is located at outside the cushion chamber, and the input shaft and the output shaft synchronous rotate, the input shaft
Removable along the axis direction of the input shaft relative to the output shaft, the input shaft includes third section, the third section
It is coated at the first segment；
Crumple component, the crumple component are connected to the output shaft, and the output shaft can turn relative to the crumple component
Dynamic, the crumple component internal has cavity, and the crumple component includes piston, and the piston is set in the cavity, will
The cavity is divided into the first crumple chamber and the second crumple chamber, and the first crumple chamber and second crumple are intracavitary filled with slow
Medium is rushed, the piston is with the input axis connection and the piston is moved synchronously with the input shaft, to adjust described first
The volumetric ratio of crumple chamber and the second crumple chamber.
2. the steering column of vehicle according to claim 1, which is characterized in that the crumple component further includes casing,
One sealing element, second seal and communicating pipe, the piston clip is set between the output shaft and described sleeve pipe, and the piston
It is sheathed on the periphery wall of the output shaft,
The piston is connect with the end of the input shaft；
Described sleeve pipe is coated at the third section and the second segment, and the first seal is sheathed on the periphery of the input shaft
Wall, and axis direction of the first seal with the piston along the input shaft is spaced apart, the periphery wall of the third section,
The first crumple chamber is limited between the first seal, the piston and the inside peripheral wall of described sleeve pipe,
The second seal is sheathed on the periphery wall of the output shaft, and the second seal with the piston along described defeated
The axis direction of shaft is spaced apart, the periphery wall of the second segment, the second seal, the piston and described sleeve pipe it is interior
The second crumple chamber is limited between peripheral wall, the communicating pipe is for being connected to the first crumple chamber and second crumple
Chamber, and it is suitable for adjusting the volumetric ratio of the first crumple chamber and the second crumple chamber.
3. the steering column of vehicle according to claim 2, which is characterized in that the crumple component further includes solenoid valve,
The solenoid valve is set to the communicating pipe, with the flow for controlling the buffer medium passed through in the communicating pipe.
4. the steering column of vehicle according to claim 3, which is characterized in that the crumple component further includes liquid reserve tank,
The liquid reserve tank is set to the middle part of the communicating pipe,
The solenoid valve is two, one of them described solenoid valve is located between one end and the liquid reserve tank of the communicating pipe,
Solenoid valve described in another one is located between the other end and the liquid reserve tank of the communicating pipe.
5. the steering column of vehicle according to claim 2, which is characterized in that the crumple component further include kicker magnet and
Electrode plate, the kicker magnet and the electrode plate are set to the internal perisporium of described sleeve pipe, and the kicker magnet and the electrode plate
It is arranged along the circumferential direction interval of described sleeve pipe.
6. the steering column of vehicle according to claim 5, which is characterized in that the kicker magnet is two, described in two
Kicker magnet is oppositely arranged along the radial direction of described sleeve pipe；
The electrode plate is two, and two electrode plates are oppositely arranged along the radial direction of described sleeve pipe, and two electricity
Pole plate is interspersed with two kicker magnets along the circumferential direction of described sleeve pipe.
7. the steering column of vehicle according to claim 2, which is characterized in that the internal perisporium of described sleeve pipe is exhausted with first
Edge layer.
8. the steering column of vehicle according to claim 2, which is characterized in that it further include first bearing, the first axle
The inner ring held is coated at the input shaft, and described sleeve pipe is placed in the outer ring of the first bearing, the first bearing and institute
The axis direction that first seal is stated along the input shaft is spaced apart.
9. the steering column of vehicle according to claim 2, which is characterized in that it further include second bearing and bearing block,
Described sleeve pipe is placed in the bearing block, the inner ring of the second bearing is coated at the output shaft, the second bearing
Outer ring connect with the bearing block.
10. the steering column of vehicle according to claim 1, which is characterized in that the periphery wall of the input shaft and described
At least one of periphery wall of output shaft is equipped with second insulating layer.
11. the steering column of vehicle according to claim 1, which is characterized in that the buffer medium be conducting liquid or
Magnetic fluid liquid.
12. the steering column of vehicle according to claim 1, which is characterized in that further include lock ring, the lock ring is coated at
The input shaft, with the movement for limiting the input shaft.
13. a kind of vehicle characterized by comprising
Electronic control unit；
Steering column, the steering column and the electronic control unit communication connection, the steering column are according to claim 1-
The steering column of vehicle described in any one of 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910707961.9A CN110386184A (en) | 2019-08-01 | 2019-08-01 | The steering column and vehicle of vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910707961.9A CN110386184A (en) | 2019-08-01 | 2019-08-01 | The steering column and vehicle of vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110386184A true CN110386184A (en) | 2019-10-29 |
Family
ID=68288282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910707961.9A Pending CN110386184A (en) | 2019-08-01 | 2019-08-01 | The steering column and vehicle of vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110386184A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113859134A (en) * | 2021-03-26 | 2021-12-31 | 友达光电股份有限公司 | Vehicle display and control system thereof |
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