CN110001755A - Telescopic steering column and automobile including the telescopic steering column - Google Patents
Telescopic steering column and automobile including the telescopic steering column Download PDFInfo
- Publication number
- CN110001755A CN110001755A CN201811408853.3A CN201811408853A CN110001755A CN 110001755 A CN110001755 A CN 110001755A CN 201811408853 A CN201811408853 A CN 201811408853A CN 110001755 A CN110001755 A CN 110001755A
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- Prior art keywords
- column tube
- shaft
- column
- steering column
- rotating shaft
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- 230000005611 electricity Effects 0.000 claims description 4
- 239000007787 solid Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000035807 sensation Effects 0.000 description 2
- 238000013473 artificial intelligence Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000004904 shortening Methods 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
- B62D1/187—Steering columns yieldable or adjustable, e.g. tiltable with tilt adjustment; with tilt and axial adjustment
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Steering Controls (AREA)
Abstract
The invention belongs to auto parts fields, specifically provide a kind of telescopic steering column and the automobile including the telescopic steering column.Present invention seek to address that the problem of steering wheel height of existing automobile is not adjustable.For this purpose, steering column of the invention includes first rotating shaft, the second shaft, the first column tube and the second column tube of coaxial arrangement, the first column tube is rotatably sleeved in first rotating shaft, and the first column tube and first rotating shaft are axially fixed connection；Second column tube is rotatably sleeved in the second shaft, and the second column tube and the second shaft are axially fixed connection；First rotating shaft is circumferentially fixed with the second shaft and axially slidably connects together；First column tube and the second column tube axially slidably connect together.Automobile with the above-mentioned steering column of the present invention can realize the raising and lowering of steering wheel by the sliding between first rotating shaft and the second shaft, optimize the riding experience of driver.
Description
Technical field
The invention belongs to auto parts fields, specifically provide a kind of telescopic steering column and turn including the extension type
To the automobile of tubing string.
Background technique
With the continuous development of automatic Pilot technology, more and more vehicle enterprises start as configuration of automobiles Function for Automatic Pilot.
Autonomous driving vehicle relies on artificial intelligence, vision calculating, radar, monitoring device and global positioning system cooperative cooperating, allows vehicle-mounted
Computer can operate motor vehicles to automatic safe in the case where nobody is active operation.
The automobile for being commonly configured with Function for Automatic Pilot can also be switched under manual drive mode.When automobile is switched to
When under manual drive mode, driver can control the traveling of automobile by steer direction disk, gas pedal and brake pedal.
When automobile is switched under automatic driving mode, automobile can carry out automatic Pilot according to road conditions after having planned path.
But existing automobile, when opening automatic driving mode, the height of steering wheel is not adjustable, and affects driver
Comfort.
Correspondingly, this field needs a kind of new telescopic steering column and the vapour including the telescopic steering column
Vehicle solves the above problems.
Summary of the invention
In order to solve the above problem in the prior art, it is not adjustable in order to solving the steering wheel height of existing automobile
Problem, the present invention provides a kind of telescopic steering column, the steering column includes the first rotating shaft of coaxial arrangement, second
Shaft, the first column tube and the second column tube, first column tube are rotatably sleeved in the first rotating shaft, and described first
Column tube and the first rotating shaft are axially fixed connection；Second column tube is rotatably sleeved in second shaft, and
And second column tube and second shaft are axially fixed connection；The first rotating shaft and second shaft are circumferentially solid
Determine and axially slidably connects together；First column tube and second column tube are axially slidably connected to
Together.
In the optimal technical scheme of above-mentioned telescopic steering column, the steering column further includes first bearing, institute
The outer ring for stating first bearing abuts respectively radially and axially with first column tube, the inner ring of the first bearing and described the
One shaft abuts respectively radially and axially, so that first column tube and the first rotating shaft are rotationally axially fixed to
Together；And/or the steering column further includes second bearing, the outer ring of the second bearing and second column tube edge
Radial and axial to abut respectively, the inner ring of the second bearing abuts respectively radially and axially with second shaft, so that
Second column tube and second shaft are rotationally axially fixed to together.
In the optimal technical scheme of above-mentioned telescopic steering column, the steering column further includes and first column
The third column tube of pipe coaxial arrangement, one end of the third column tube and first column tube are close to one end edge of second column tube
Axially slidable to connect together, the other end of the third column tube and second column tube are close to one end of first column tube
It is connected together along axially slidable.
In the optimal technical scheme of above-mentioned telescopic steering column, the third column tube is set in first column tube
Outside, second column tube is set in the outside of the third column tube.
In the optimal technical scheme of above-mentioned telescopic steering column, the steering column further includes and described first turn
The third shaft of axis coaxial arrangement, one end of the third shaft and the first rotating shaft are close to one end edge of second shaft
Circumferentially fixed and connect together along axially slidable, the other end of the third shaft and second shaft are close to described
One end of first rotating shaft is circumferentially fixed and connects together along axially slidable.
In the optimal technical scheme of above-mentioned telescopic steering column, the first rotating shaft and the third shaft are pipe
Shape structure, the third shaft are set in the outside of second shaft, and the first rotating shaft is set in the third shaft
Outside.
In the optimal technical scheme of above-mentioned telescopic steering column, the steering column further includes the first driving dress
It sets, the first driving device is for driving first column tube and second column tube close to each other or separate.
In the optimal technical scheme of above-mentioned telescopic steering column, the first driving device include first motor,
First lead screw and the first sliding block engaged with first threads of lead screw, the casing of the first motor and second column tube are solid
One end of fixed connection, the shaft of the first motor and first lead screw is drivingly connected, first sliding block and described first
Column tube is fixedly connected；When the first motor drives first lead screw rotation, can make first sliding block close to or far from
The first motor, and therefore make first column tube and second column tube close to each other or separate.
In the optimal technical scheme of above-mentioned telescopic steering column, the steering column further includes for described in fixation
The bracket component of second column tube.
In the optimal technical scheme of above-mentioned telescopic steering column, the bracket component includes fixed bracket, installation
Bracket and crumple energy absorbing members, the fixed bracket are connected with second column tube, the mounting bracket and the fixed branch
Frame is slidably connected, and one end of the crumple energy absorbing members is fixedly connected with the fixed bracket, the crumple energy absorbing members it is another
One end is fixedly connected with the mounting bracket.
In the optimal technical scheme of above-mentioned telescopic steering column, the crumple energy absorbing members are plate structures, institute
The crumple groove for being provided on plate structure and being divided into inner end and outboard end is stated, the inner end and the fixed bracket are solid
Fixed connection, the outboard end are fixedly connected with the mounting bracket；In the fixed bracket and the mounting bracket by outer masterpiece
When with opposite sliding occurs, the plate structure can be torn along the extending direction of the crumple groove.
In the optimal technical scheme of above-mentioned telescopic steering column, described support bracket fastened one end and second column
It manages and is pivotally connected far from one end of first column tube, and the steering column further includes the second driving device, described second
Driving device is for driving second column tube relative to the fixed holder pivots.
In the optimal technical scheme of above-mentioned telescopic steering column, second driving device include the second motor,
Second lead screw and the second sliding block engaged with second threads of lead screw, the casing of second motor and second column tube are solid
One end of fixed connection, the shaft of second motor and second lead screw is drivingly connected, second sliding block and the fixation
Bracket is pivotally connected, and the pivotal axis of second sliding block is vertical with the axis of second lead screw；Second motor drives
When moving second lead screw rotation, second sliding block can be made close to or far from second motor, and therefore make described the
Two column tubes are relative to the fixed holder pivots.
In addition, the automobile includes described in any one of above-mentioned preferred embodiment the present invention also provides a kind of automobile
Telescopic steering column.
It will be appreciated to those of skill in the art that in the preferred technical solution of the present invention, by making the first column tube can
It is rotationally set in first rotating shaft, and the first column tube and first rotating shaft is made to be axially fixed connection；Turn the second column tube can
It is set in the second shaft dynamicly, and the second column tube and the second shaft is made to be axially fixed connection；And make first rotating shaft and
Second shaft is circumferentially fixed and axially slidably connects together, and slide the first column tube and the second column tube can along axial
It connects together dynamicly, enables first rotating shaft and the second shaft close to each other or separate.When extension type of the invention turns
When being applied on automobile to tubing string, first rotating shaft is fixedly connected far from one end of the second shaft with steering wheel, and the second shaft is separate
One end of first rotating shaft is connect with diverter, and steering wheel can be high by the slidable adjustment between first rotating shaft and the second shaft
Degree, improves the driving experience of driver.The present invention is also by the first column tube and the second column tube to first rotating shaft and second simultaneously
Shaft plays protective action, prevents being slidably connected by dust pollution between first rotating shaft and the second shaft.
In a feasible embodiment of the invention, third column tube is additionally provided between the first column tube and the second column tube, the
Third shaft is additionally provided between one shaft and the second shaft.Wherein, third column tube is set in the outside of the first column tube, the second column
Pipe sleeve is located at the outside of third column tube；Third shaft is set in the outside of the second shaft, and first rotating shaft is set in third shaft
Outside.Also, the first column tube, the second column tube and third column tube axially opposed can slide each other, first rotating shaft, the
It is circumferentially fixed and axially opposed can slide between two shafts and third shaft.Turned by three column tubes and three
The setting of axis can make steering column, and interior telescopic length is bigger in a limited space, optimizes the riding experience of driver.
Those skilled in the art can according to need, and the card slot for accommodating steering wheel is arranged on the console of automobile,
So as to steering wheel as the contraction of steering column can drop in the card slot, so that automobile driver be made to provide more
Activity space.
Further, it is drivingly connected the invention also includes the first motor being fixedly connected with the second column tube, with first motor
First lead screw and the first sliding block engaged with the first threads of lead screw, first sliding block are fixedly connected with the first column tube.First electricity
When machine drives first lead screw rotation, first sliding block can be made close to or far from the first motor, and therefore make institute
It states the first column tube and second column tube is close to each other or separate, to realize raising and reducing automatically for steering wheel.
Scheme 1, a kind of telescopic steering column, which is characterized in that the steering column include coaxial arrangement first rotating shaft,
Second shaft, the first column tube and the second column tube,
First column tube is rotatably sleeved in the first rotating shaft, and first column tube and the first rotating shaft edge
Axial restraint connection；
Second column tube is rotatably sleeved in second shaft, and second column tube and second shaft edge
Axial restraint connection；
The first rotating shaft is circumferentially fixed with second shaft and axially slidably connects together；
First column tube is axially slidably connected together with second column tube.
Scheme 2, telescopic steering column according to scheme 1, which is characterized in that the steering column further includes first axle
Hold, the outer ring of the first bearing abuts respectively radially and axially with first column tube, the inner ring of the first bearing with
The first rotating shaft abuts respectively radially and axially, so that first column tube and the first rotating shaft are rotationally along axial direction
It is secured together；
And/or the steering column further includes second bearing, and the outer ring of the second bearing and second column tube are along diameter
It is abutted respectively to axial, the inner ring of the second bearing abuts respectively radially and axially with second shaft, so that institute
It states the second column tube and second shaft is rotationally axially fixed to together.
Scheme 3, telescopic steering column according to scheme 1, which is characterized in that the steering column further include with it is described
The third column tube of first column tube coaxial arrangement,
One end of the third column tube is connected to close to one end of second column tube along axially slidable with first column tube
Together,
The other end of the third column tube is with second column tube close to one end of first column tube along axially slidable connection
To together.
Scheme 4, telescopic steering column according to scheme 3, which is characterized in that the third column tube is set in described
The outside of one column tube, second column tube are set in the outside of the third column tube.
Scheme 5, telescopic steering column according to scheme 4, which is characterized in that the steering column further include with it is described
The third shaft of first rotating shaft coaxial arrangement,
One end of the third shaft and the first rotating shaft are circumferentially fixed close to one end of second shaft and along axis
To being slidably connected to together,
The other end of the third shaft is circumferentially fixed with second shaft close to one end of the first rotating shaft and edge
It is axially slidable to connect together.
Scheme 6, the telescopic steering column according to scheme 5, which is characterized in that the first rotating shaft and the third turn
Axis is tubular structure,
The third shaft is set in the outside of second shaft, and the first rotating shaft is set in the outer of the third shaft
Side.
Scheme 7, the telescopic steering column according to any one of scheme 1 to 6, which is characterized in that the steering column
It further include first driving device, the first driving device is for driving first column tube and second column tube close to each other
Or it is separate.
Scheme 8, telescopic steering column according to scheme 7, which is characterized in that the first driving device includes first
Motor, the first lead screw and the first sliding block engaged with first threads of lead screw,
The casing of the first motor is fixedly connected with second column tube, the shaft of the first motor and first lead screw
One end be drivingly connected, first sliding block is fixedly connected with first column tube；
When the first motor drives first lead screw rotation, first sliding block can be made close to or far from first electricity
Machine, and therefore make first column tube and second column tube close to each other or separate.
Scheme 9, the telescopic steering column according to any one of scheme 1 to 6, which is characterized in that the steering column
It further include the bracket component for fixing second column tube.
Scheme 10, telescopic steering column according to scheme 9, which is characterized in that the bracket component includes fixed branch
Frame, mounting bracket and crumple energy absorbing members,
The fixed bracket is connected with second column tube,
The mounting bracket is connect with the fixed bracket slide,
One end of the crumple energy absorbing members is fixedly connected with the fixed bracket, the other end of the crumple energy absorbing members and institute
Mounting bracket is stated to be fixedly connected.
Scheme 11, telescopic steering column according to scheme 10, which is characterized in that the crumple energy absorbing members are plates
Structure, is provided with the crumple groove for being divided into inner end and outboard end on the plate structure, the inner end with it is described solid
Fixed rack is fixedly connected, and the outboard end is fixedly connected with the mounting bracket；
When by external force opposite sliding is occurred for the fixed bracket and the mounting bracket, the plate structure can be along institute
State the extending direction tearing of crumple groove.
Scheme 12, telescopic steering column according to scheme 10, which is characterized in that described support bracket fastened one end and institute
It states the second column tube to be pivotally connected far from one end of first column tube, and the steering column further includes the second driving device,
Second driving device is for driving second column tube relative to the fixed holder pivots.
Scheme 13, telescopic steering column according to scheme 12, which is characterized in that second driving device includes the
Two motors, the second lead screw and the second sliding block engaged with second threads of lead screw,
The casing of second motor is fixedly connected with second column tube, the shaft of second motor and second lead screw
One end be drivingly connected, second sliding block is pivotally connected with the fixed bracket, and the pivotal axis of second sliding block and
The axis of second lead screw is vertical；
When second lead screw described in second motor driven rotates, second sliding block can be made close to or far from second electricity
Machine, and therefore make second column tube relative to the fixed holder pivots.
Scheme 14, a kind of automobile, which is characterized in that the automobile includes extension type described in benefit requires any one of 1 to 13
Steering column.
Detailed description of the invention
The preferred embodiment of the present invention described with reference to the accompanying drawings, in attached drawing:
Fig. 1 is the side view of telescopic steering column of the invention；
Fig. 2 is the top view of telescopic steering column of the invention；
Fig. 3 is the main view of telescopic steering column of the invention；
Fig. 4 is the bottom view of telescopic steering column of the invention；
Along the cross-sectional view in the direction A-A in Fig. 5 Fig. 4.
Reference signs list:
1, rotating assembly；11, first rotating shaft；12, the second shaft；13, third shaft；2, column tube component；21, the first column
Pipe；22, the second column tube；23, third column tube；3, first bearing；4, second bearing；5, first driving device；51, first motor；
52, the first lead screw；53, the first sliding block；6, bracket component；61, fixed bracket；62, mounting bracket；63, crumple energy absorbing members；7,
Second driving device；71, the second motor；72, the second lead screw；73, the second sliding block.
Specific embodiment
It will be apparent to a skilled person that this section embodiment is used only for explaining technical principle of the invention,
It is not intended to limit protection scope of the present invention.It, can be with for example, rotating assembly of the invention is not limited only to two and three
It is other any more, such as four, five, the six roots of sensation etc., column tube component of the invention is not limited only to two and three, may be used also
To be other any more, such as four, five, the six roots of sensation etc., those skilled in the art, which can according to need, makes adjustment to it,
To adapt to specific application, technical solution adjusted will fall into protection scope of the present invention.
It should be noted that in the description of the present invention, term " center ", "upper", "lower", "left", "right", "vertical",
"horizontal", "inner", "outside" etc. indicate that the term of direction or positional relationship is direction based on the figure or positional relationship, this is only
It is merely for convenience of describing, rather than indication or suggestion described device or element must have a particular orientation, with specific side
Position construction and operation, therefore be not considered as limiting the invention.In addition, term " first ", " second ", " third " are only used for
Purpose is described, relative importance is not understood to indicate or imply.
In addition it is also necessary to explanation, in the description of the present invention unless specifically defined or limited otherwise, term " peace
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be directly connected, the connection inside two elements can also be can be indirectly connected through an intermediary.For
For those skilled in the art, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
As shown in Figures 1 to 4, telescopic steering column of the invention mainly includes rotating assembly 1, column tube component 2,
One driving device 5, bracket component 6 and the second driving device 7.Wherein, rotating assembly 1 includes the shaft of more coaxial arrangements, should
It is circumferentially fixed between more shafts, and can slide axially each other.Column tube component 2 includes the column of more coaxial arrangements
Pipe, the more column tubes can slide axially each other.Column tube component 2 is set in the outside of rotating assembly 1, first driving device 5
For driving column tube component 2 to elongate or shorten.And it will drive rotating assembly 1 when column tube component 2 extends also to extend, work as column tube
Component 2, which will drive rotating assembly 1 when shortening, also to be shortened.Bracket component 6 is used to for column tube component 2 being fixed to the car body of automobile.
Second driving device 7 is for driving column tube component 2 to swing relative to bracket component 6, to be connected at the both ends of rotating assembly 1
When steering wheel and diverter, the second driving device 7 can driving direction disk relative to driver be moved forward and backward.
It will be appreciated to those of skill in the art that rotating assembly 1 may include any more shafts, for example, two, three
Root, four etc..Similarly, column tube component 2 also may include any more column tubes, for example, two, three, four etc..
As shown in figure 5, telescopic steering column of the invention further includes in preferred implementation embodiment of the invention
One bearing 3 and second bearing 4.
With continued reference to Fig. 5, rotating assembly 1 includes first rotating shaft 11, the second shaft 12 and third shaft in tubular construction
13.Wherein, first rotating shaft 11 is used to connect the steering wheel of automobile, and the second shaft 12 is used to connect the diverter of automobile.Column tube group
Part 2 includes the first column tube 21, the second column tube 22 and third column tube 23 in tubular construction.
With continued reference to Fig. 5, the first column tube 21 is rotatably sleeved in first rotating shaft 11, and the first column tube 21 and first
Shaft 11 is axially fixed connection.Specifically, the inside of the first column tube 21 is provided with the shaft shoulder and jump-ring slot, first rotating shaft 11 it is outer
Wall is provided with the shaft shoulder and jump-ring slot.Inner wall of the outer ring of first bearing 3 radially with the first column tube 21 offsets；First bearing 3
Outer ring offsets along axial with the convex shoulder on the first column tube 21, and be embedded into the circlip phase on the first column tube 21 in jump-ring slot
It supports.Outer wall of the inner ring of first bearing 3 radially with first rotating shaft 11 offsets；The inner ring of first bearing 3 is along axial direction and first turn
Convex shoulder on axis 11 offsets, and be embedded into first rotating shaft 11 jump-ring slot in circlip offset.
With continued reference to Fig. 5, the second column tube 22 is rotatably sleeved in the second shaft 12, and the second column tube 22 and second
Shaft 12 is axially fixed connection.Specifically, the inside of the second column tube 22 is provided with the shaft shoulder and jump-ring slot, the second shaft 12 it is outer
Wall is provided with the shaft shoulder and jump-ring slot.Inner wall of the outer ring of second bearing 4 radially with the second column tube 22 offsets；Second bearing 4
Outer ring offsets along axial with the convex shoulder on the second column tube 22, and be embedded into the circlip phase on the second column tube 22 in jump-ring slot
It supports.Outer wall of the inner ring of second bearing 4 radially with the second shaft 12 offsets；The inner ring of second bearing 4 is along axial direction and second turn
Convex shoulder on axis 12 offsets, and offsets with the circlip for being embedded into the second shaft 12 in jump-ring slot.
With continued reference to Fig. 5, the right end of third shaft 13 is slidably connected with first rotating shaft 11 in Fig. 5, third shaft 13 in Fig. 5
Left end be slidably connected with the second shaft 12.Specifically, third shaft 13 is set in the outside of the second shaft 12, first rotating shaft 11
It is set in the outside of third shaft 13.Further, the inside of first rotating shaft 11 is provided with internal spline, and the outside of the second shaft 12 is set
It is equipped with external splines, the inside of third shaft 13 is provided with internal spline, and the outside of third shaft 13 is provided with external splines.First rotating shaft
The external splines grafting of internal spline and third shaft 13 on 11, and axially opposed can slide.It is outer in second shaft 12
The internal spline grafting of spline and third shaft 13, and axially opposed can slide.
With continued reference to Fig. 5, the right end of third column tube 23 is slidably connected with the first column tube 21 in Fig. 5, third column tube 23 in Fig. 5
Left end be slidably connected with the second column tube 22.Specifically, third column tube 23 is set in the outside of the first column tube 21, the second column tube 22
It is set in the outside of third column tube 23.Further, the outside of the first column tube 21 is provided with external splines, and the inside of the second column tube 22 is set
It is equipped with internal spline, the inside of third column tube 23 is provided with internal spline, and the outside of third column tube 23 is provided with external splines.First column tube
The internal spline grafting of external splines and third column tube 23 on 21, and axially opposed can slide.It is interior on second column tube 22
The external splines grafting of spline and third column tube 23, and axially opposed can slide.In addition, another is feasible in the present invention
In embodiment, those skilled in the art also be can according to need, not on the first column tube 21, the second column tube 22 and third column tube 23
Spline is set, the first column tube 21, the second column tube 22 and third column tube 23 are relatively rotated.
As shown in Figures 1 to 4, first driving device 5 mainly includes first motor 51, the first lead screw 52 and with described first
First sliding block 53 of 52 screw thread of lead screw engagement.Wherein, the casing of first motor 51 is fixedly connected with the second column tube 22, first motor
One end of 51 shaft and the first lead screw 52 is drivingly connected, and the first sliding block 53 is fixedly connected with the first column tube 21.
It will be appreciated to those of skill in the art that the drive connection between first motor 51 and the first lead screw 52 can be
The shaft of first motor 51 is fixedly and coaxially connected with the first lead screw 52, is also possible to the shaft and the first lead screw 52 of first motor 51
It is drivingly connected to together by retarder.
Those skilled in the art are also understood that, when first motor 51 drives the rotation of the first lead screw 52, can make the
Therefore one sliding block 53 makes the first column tube 21 and the second column tube 22 close to each other or separate close to or far from first motor 51.By
It being connect in first rotating shaft 11 with 21 axial restraint of the first column tube, the second shaft 12 is connect with 22 axial restraint of the second column tube, so
First rotating shaft 11 and the second shaft 12 also can be close/separate and close/separate with the first column tube 21 and the second column tube 22.
As shown in Figure 1 and Figure 5, bracket component 6 of the invention mainly includes that fixed bracket 61, mounting bracket 62 and crumple are inhaled
It can component 63.
With continued reference to Fig. 1 and Fig. 5, one end of fixed bracket 61 and the second column tube 22 are pivoted far from one end of the first column tube 21
Connection, fixed bracket 61 is also connected by the second driving device 7 with the second column tube 22, so that the second driving device 7 can drive
Dynamic second column tube 22 pivots about end rotation.
As shown in Figure 1, mounting bracket 61 is slidably connected with fixed bracket 62, specifically, cunning is provided in mounting bracket 61
Slot is fixed on bracket 62 and is provided with the sliding rail to match with the sliding slot, and mounting bracket 61 and fixed bracket 62 pass through the cunning
Slot and the sliding rail are slidably connected.Preferably, the axis of the extending direction and the second column tube 22 of the sliding slot and the sliding rail it
Between have lesser angle.
With continued reference to Fig. 1, crumple energy absorbing members 63 are plate structure, are provided with and are divided on crumple energy absorbing members 63
The crumple groove (not indicated in figure) of inner end and outboard end.The inner end of crumple energy absorbing members 63 and the fixed company of fixed bracket 61
It connects, the outboard end of crumple energy absorbing members 63 is fixedly connected with mounting bracket 62.When fixed bracket 61 and mounting bracket 62 are by external force
When opposite sliding occurs for effect while colliding (such as automobile), crumple energy absorbing members 63 are torn along the extending direction of crumple groove
It splits, absorbs collision energy, prevent steering wheel from hurting driver.In addition, those skilled in the art also can according to need, will burst
Contracting energy absorbing members 63 are arranged to the feasible structure of other staff, for example, spring, cylinder, hydraulic cylinder etc..
As shown in Figures 2 and 3, the second driving device 7 mainly includes the second motor 71, the second lead screw 72 and with described second
Second sliding block 73 of 72 screw thread of lead screw engagement.Wherein, the casing of the second motor 71 is fixedly connected with the second column tube 22, the second motor
One end of 71 shaft and the second lead screw 72 is drivingly connected, and the second sliding block 73 is pivotally connected with fixed bracket 61.This is pivotally connected
Refer to the radial rotating to enable the second sliding block 73 around the second lead screw 72, the i.e. pivotal axis and second of the second sliding block 73
The axis of lead screw 72 is vertical.
It will be appreciated to those of skill in the art that the drive connection between the second motor 71 and the second lead screw 72 can be
The shaft of second motor 71 is fixedly and coaxially connected with the second lead screw 72, is also possible to the shaft and the second lead screw 72 of the second motor 71
It is drivingly connected to together by retarder.
As shown in figure 3, the second sliding block 73 can be made close to or far from the when the second motor 71 drives the rotation of the second lead screw 72
Two motors 71, and rotate the second column tube 22 relative to fixed bracket 61.
In another feasible embodiment of the invention, unlike above preferred embodiment, the second driving dress is saved
7 setting is set, and is fixedly connected with fixed bracket 61 with the second column tube 22.
In another feasible embodiment of the invention, unlike above preferred embodiment, those skilled in the art
It can according to need, save third shaft 13 and third column tube 23, be directly connected to first rotating shaft 11 and the second shaft 12, make
One column tube 21 and the second column tube 22 are directly connected to.
Furthermore, while do not showed that in figure, but the present invention also provides a kind of automobile, which includes above-mentioned any one
A telescopic steering column as described in the examples.Also, telescopic steering column is solid by mounting bracket 62 and vehicle body
Fixed connection, telescopic steering column are connected by first rotating shaft 11 with steering wheel, and telescopic steering column passes through second
Shaft 12 is connected with diverter.Preferably, be provided with the card slot for accommodating steering wheel on the console of automobile, steering wheel with
The contraction of steering column can drop in the card slot, so that automobile driver be made to provide more activity spaces.
Based on description above, it will be appreciated to those of skill in the art that passing through in a preferred embodiment of the invention
It is arranged three along the axial shaft that can be slided relative to one another and three along the axial column tube that can be slided relative to one another, so that of the invention
The telescopic effective travel of steering column it is longer.To enable the steering wheel of automobile to operate when rising for driver, with
And can be embedded into the card slot of console when falling, more activity spaces are provided for driver.Further, the present invention is gone back
Enable steering column automatic lifting by first driving device 5, before keeping steering column automatic by the second driving device 7
After move, optimize the driving experience of driver.
So far, it has been combined preferred embodiment shown in the drawings and describes technical solution of the present invention, still, this field
Technical staff is it is easily understood that protection scope of the present invention is expressly not limited to these specific embodiments.Without departing from this
Under the premise of the principle of invention, those skilled in the art can make equivalent change or replacement to the relevant technologies feature, these
Technical solution after change or replacement will fall within the scope of protection of the present invention.
Claims (10)
1. a kind of telescopic steering column, which is characterized in that the steering column includes the first rotating shaft of coaxial arrangement, second
Shaft, the first column tube and the second column tube,
First column tube is rotatably sleeved in the first rotating shaft, and first column tube and the first rotating shaft edge
Axial restraint connection；
Second column tube is rotatably sleeved in second shaft, and second column tube and second shaft edge
Axial restraint connection；
The first rotating shaft is circumferentially fixed with second shaft and axially slidably connects together；
First column tube is axially slidably connected together with second column tube.
2. telescopic steering column according to claim 1, which is characterized in that the steering column further includes first axle
Hold, the outer ring of the first bearing abuts respectively radially and axially with first column tube, the inner ring of the first bearing with
The first rotating shaft abuts respectively radially and axially, so that first column tube and the first rotating shaft are rotationally along axial direction
It is secured together；
And/or the steering column further includes second bearing, and the outer ring of the second bearing and second column tube are along diameter
It is abutted respectively to axial, the inner ring of the second bearing abuts respectively radially and axially with second shaft, so that institute
It states the second column tube and second shaft is rotationally axially fixed to together.
3. telescopic steering column according to claim 1, which is characterized in that the steering column further include with it is described
The third column tube of first column tube coaxial arrangement,
One end of the third column tube is connected to close to one end of second column tube along axially slidable with first column tube
Together,
The other end of the third column tube is with second column tube close to one end of first column tube along axially slidable connection
To together.
4. telescopic steering column according to claim 3, which is characterized in that the third column tube is set in described
The outside of one column tube, second column tube are set in the outside of the third column tube.
5. telescopic steering column according to claim 4, which is characterized in that the steering column further include with it is described
The third shaft of first rotating shaft coaxial arrangement,
One end of the third shaft and the first rotating shaft are circumferentially fixed close to one end of second shaft and along axis
To being slidably connected to together,
The other end of the third shaft is circumferentially fixed with second shaft close to one end of the first rotating shaft and edge
It is axially slidable to connect together.
6. telescopic steering column according to claim 5, which is characterized in that the first rotating shaft and the third turn
Axis is tubular structure,
The third shaft is set in the outside of second shaft, and the first rotating shaft is set in the outer of the third shaft
Side.
7. telescopic steering column according to any one of claim 1 to 6, which is characterized in that the steering column
It further include first driving device, the first driving device is for driving first column tube and second column tube close to each other
Or it is separate.
8. telescopic steering column according to claim 7, which is characterized in that the first driving device includes first
Motor, the first lead screw and the first sliding block engaged with first threads of lead screw,
The casing of the first motor is fixedly connected with second column tube, the shaft of the first motor and first lead screw
One end be drivingly connected, first sliding block is fixedly connected with first column tube；
When the first motor drives first lead screw rotation, first sliding block can be made close to or far from first electricity
Machine, and therefore make first column tube and second column tube close to each other or separate.
9. telescopic steering column according to any one of claim 1 to 6, which is characterized in that the steering column
It further include the bracket component for fixing second column tube.
10. telescopic steering column according to claim 9, which is characterized in that the bracket component includes fixed branch
Frame, mounting bracket and crumple energy absorbing members,
The fixed bracket is connected with second column tube,
The mounting bracket is connect with the fixed bracket slide,
One end of the crumple energy absorbing members is fixedly connected with the fixed bracket, the other end of the crumple energy absorbing members and institute
Mounting bracket is stated to be fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811408853.3A CN110001755A (en) | 2018-11-23 | 2018-11-23 | Telescopic steering column and automobile including the telescopic steering column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811408853.3A CN110001755A (en) | 2018-11-23 | 2018-11-23 | Telescopic steering column and automobile including the telescopic steering column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110001755A true CN110001755A (en) | 2019-07-12 |
Family
ID=67164988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811408853.3A Pending CN110001755A (en) | 2018-11-23 | 2018-11-23 | Telescopic steering column and automobile including the telescopic steering column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110001755A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11498603B2 (en) * | 2018-05-31 | 2022-11-15 | Byd Company Limited | Steering column and vehicle |
| US20230182802A1 (en) * | 2020-05-07 | 2023-06-15 | Thyssenkrupp Presta Ag | Steering column for a motor vehicle |
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Effective date of registration: 20200924 Address after: Susong Road West and Shenzhen Road North, Hefei Economic and Technological Development Zone, Anhui Province Applicant after: Weilai (Anhui) Holding Co.,Ltd. Address before: 30 Floor of Yihe Building, No. 1 Kangle Plaza, Central, Hong Kong, China Applicant before: NIO NEXTEV Ltd. |
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Application publication date: 20190712 |
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