CN107757705A - Vehicular turn transmission mechanism, wheel steering system and vehicle - Google Patents
Vehicular turn transmission mechanism, wheel steering system and vehicle Download PDFInfo
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- CN107757705A CN107757705A CN201610673701.0A CN201610673701A CN107757705A CN 107757705 A CN107757705 A CN 107757705A CN 201610673701 A CN201610673701 A CN 201610673701A CN 107757705 A CN107757705 A CN 107757705A
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- knuckle
- main
- suspension
- transmission mechanism
- vehicular turn
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D7/00—Steering linkage; Stub axles or their mountings
- B62D7/18—Steering knuckles; King pins
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Abstract
Present disclose provides a kind of Vehicular turn transmission mechanism, wheel steering system and vehicle, the Vehicular turn transmission mechanism includes main knuckle (1), the main knuckle has virtual stub (11) and the installation portion for being connected in steering gear, main knuckle can surround virtual stub and rotate to adjust the first steering angle, Vehicular turn transmission mechanism is included with the wheel fixed part for fixing vehicle wheel to connect the secondary knuckle (2) of main knuckle and wheel, the secondary knuckle is rotatably arranged on main knuckle by the pivot stud (21), secondary knuckle is rotated around pivot stud can adjust the second steering angle relative to the main knuckle along the steering direction of the main knuckle.The Vehicular turn transmission mechanism of structure as described above by main knuckle rotatably arranged with secondary knuckle, so as to being rotatably assorted and with the effect for improving vehicle steering angle by main knuckle and secondary knuckle.
Description
Technical field
This disclosure relates to wheel steering system technical field, in particular it relates to which a kind of Vehicular turn transmission mechanism, vehicle turn
To system and vehicle.
Background technology
Important component of the wheel steering system as vehicle chassis, its function are to provide change for vehicle or keep row
Sail direction.Wheel steering system is divided into mechanical steering system and power steering system, by by the steering force of steering control mechanism
After steering gear proper transformation, the power and motion that are exported by steering gear are passed to the knuckle of vehicle both sides, driven with realizing
Motor car wheel turns to.Wherein for Pinion-and-rack steering system unite, due to design by vehicle space and suspension system etc. because
Element, therefore, knuckle, which drives the steering locking angle degree of wheel steering, to be 70 ° or so (such as lubrication groove corner is 40 °, foreign steamer corner
For 30 °) so that the radius of turn of wheel is larger, causes vehicle to have the problem of relative difficulty when turning or turning around.
The content of the invention
Disclosure problem to be solved is to provide a kind of Vehicular turn transmission mechanism, vehicle for improving steering angle of wheel
Steering and vehicle.
To achieve these goals, according to an aspect of this disclosure, there is provided a kind of Vehicular turn transmission mechanism, the vehicle
Steering gear includes main knuckle, and the main knuckle has virtual stub and the installation portion for being connected in steering gear,
The main knuckle can surround the virtual stub rotation to adjust the first steering angle, the Vehicular turn transmission mechanism bag
Include with the wheel fixed part for fixing vehicle wheel to connect the secondary knuckle of the main knuckle and the wheel, the pair turns
It is rotatably arranged in section by the pivot stud on the main knuckle, the secondary knuckle surrounds the pivot stud
Rotate so that the second steering angle relative to the main knuckle can be adjusted along the steering direction of the main knuckle.
Alternatively, the maximum of first steering angle and the second steering angle sum is not less than 140 °.
Alternatively, the secondary knuckle adjusts second steering angle by linear drive apparatus.
Alternatively, the linear drive apparatus includes linear electric motors, the housing being articulated with the main knuckle, is contained in
The drive mechanism that is connected in the housing and with the output end of the linear electric motors and the drive mechanism is connected to receive
The expansion link stated the power output of linear electric motors and can stretched relative to the housing, the external part ball pivot of the expansion link is in described
Secondary knuckle.
Alternatively, the drive mechanism includes having female sleeve and is connected in the output of the linear electric motors
End and the transmission belt of the sleeve outer peripheral face, the expansion link penetrate the sleeve and formed with outer with the screw-internal thread fit
Screw thread, along the side protrusion towards the expansion link formed with extension, the external part of the expansion link on the secondary knuckle
Ball pivot is in the extension.
Alternatively, axis of the telescopic direction of the expansion link perpendicular to the pivot stud.
Alternatively, the housing include be used for accommodate the transmission belt the first housing section and for accommodate the sleeve and
Second housing section of the expansion link, the linear electric motors and the output are installed on the side outer wall of first housing section
End is inserted into first housing section and had with the transmission band connection, one end of second housing section for described flexible
The flexible opening of bar, dashed forward along the retracted orientation of the expansion link on the outer wall corresponding with the expansion link of first housing section
Go out formed with relief portion, for avoiding being fully retracted into for the expansion link.
Alternatively, the diameter parallel of the axis and the pivot stud of the virtual stub.
Alternatively, installation base is provided with the main knuckle, is provided with the secondary knuckle convex with the installation
The installation otic placode that platform coordinates, the pivot stud insertion are inserted into the first mating holes and the mounting ear on the installation base
The second mating holes on plate is simultaneously fixed by fastener.
Alternatively, the wheel fixed part is hub bearing or hub spindle.
According to another aspect of the present disclosure, a kind of wheel steering system is also provided, the wheel steering system includes as above institute
The Vehicular turn transmission mechanism stated, the main knuckle are provided with steering drag link to connect the steering by the installation portion
Device.
According to the another aspect of the disclosure, a kind of vehicle is also provided, the vehicle includes wheel steering system as described above,
The vehicle includes suspension, and the main knuckle is connected by the suspension with vehicle frame or vehicle body.
Alternatively, the suspension includes the first suspension underarm and the second suspension underarm, and the lower end of the main knuckle is formed
There is the base for the both sides extension for being respectively facing the main knuckle, one end of the first suspension underarm and the second suspension underarm
Ball pivot is distinguished on the base in one end, and the other end of the other end of the first suspension underarm and the second suspension underarm distinguishes ball
Cut with scissors in vehicle frame, to cause the vehicle frame, the first suspension underarm, the second suspension underarm and the base to be formed as double leval jib machine
Structure.
Alternatively, the suspension also includes the suspension upper arm of A types, and one end ball pivot of the suspension upper arm is in the main knuckle
Upper end, and the other end difference ball pivot on vehicle body, the first suspension underarm formed with the damping for mounting shock absorber
Device installation portion.
Alternatively, the upper end of the main knuckle is installed on vehicle body by damper.
Pass through above-mentioned technical proposal, i.e. rotated by main knuckle around virtual stub the first steering angle can be adjusted
Degree, and the secondary knuckle by being rotatably arranged on main knuckle, the secondary knuckle rotate and energy around pivot stud
Enough steering direction adjustment along main knuckle relative to main knuckle the second steering angle, thus, by the car of said structure
When steering gear is applied to vehicle, increase wheel steering is realized by the mutual cooperation of main knuckle and secondary knuckle
Angle, thus there is the effect for improving and turning to efficiency and turning flexibility.
Other feature and advantage of the disclosure will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
Accompanying drawing is for providing further understanding of the disclosure, and a part for constitution instruction, with following tool
Body embodiment is used to explain the disclosure together, but does not form the limitation to the disclosure.In the accompanying drawings：
Fig. 1 is the front view according to the Vehicular turn transmission mechanism of disclosure embodiment；
Fig. 2 is Fig. 1 left view；
Fig. 3 is along the sectional view of line A-A cutting in Fig. 1；
Fig. 4 is Fig. 1 top view；
Fig. 5 is the sectional view according to the linear drive apparatus of the Vehicular turn transmission mechanism of disclosure embodiment；
Fig. 6 is to be shown according to the structure for showing Vehicular turn linkage section of the vehicle of disclosure embodiment
It is intended to；
Fig. 7 is the double leval jib machine shown between suspension and main knuckle according to the vehicle of disclosure embodiment
The schematic diagram of structure.
Description of reference numerals
1 main 2 secondary knuckle of knuckle
The fastener of 3 linear drive apparatus 4
The suspension of 5 steering drag link 6
The wheel of 7 steering gear 8
The 11 virtual installation bases of stub 12
The pivot stud of 13 base 21
The 22 installation hub bearings of otic placode 23
The linear electric motors of 24 extension 31
The expansion link of 32 housing 33
The transmission belt of 34 sleeve 35
The housing section of 36 first housing section 37 second
38 39 connecting portions of opening
The suspension underarm of 61 first suspension underarm 62 second
The damper installation portion of 63 suspension upper arm 64
Embodiment
The embodiment of the disclosure is described in detail below in conjunction with accompanying drawing.It should be appreciated that this place is retouched
The embodiment stated is merely to illustrate and explained the disclosure, is not limited to the disclosure.
According to an aspect of this disclosure, as shown in Figures 1 to 6, there is provided a kind of Vehicular turn transmission mechanism, the vehicle turn
Include main knuckle 1 to transmission mechanism, the main knuckle 1 has virtual stub 11 and the installation for being connected in steering gear
Portion, main knuckle 1 can be rotated around virtual stub 11 to adjust the first steering angle, and Vehicular turn transmission mechanism includes having
For the wheel fixed part of fixing vehicle wheel to connect the secondary knuckle 2 of main knuckle 1 and wheel, secondary knuckle 2 is led by turning to
Pin 21 is rotatably arranged on main knuckle 1, and secondary knuckle 2 is rotated with can be along main knuckle 1 around pivot stud 21
Steering direction adjusts the second steering angle relative to main knuckle 1.
By the way that main knuckle 1 is rotated to adjust the first steering angle, and by rotationally around virtual stub 11
The secondary knuckle 2 being arranged on main knuckle 1, the wherein secondary knuckle 2 rotate around pivot stud 21 and can be along main steerings
Thus the steering direction adjustment of section 1, passes relative to the second steering angle of main knuckle 1 by the Vehicular turn of said structure
When motivation structure is applied to vehicle, the steering angle of increase wheel is realized by the mutual cooperation of main knuckle 1 and secondary knuckle 2
Degree, thus there is the effect for improving and turning to efficiency and turning flexibility.
Wherein, secondary knuckle 2 can optionally be linked by the operation of operating personnel with main knuckle 1, or with master
Knuckle 1 operates independently from.When secondary knuckle 2 is limited on main knuckle 1, Vehicular turn transmission mechanism passes through main steering
Section 1 has and common steering gear identical turning function.When secondary 2 independent operating of knuckle, vehicle can be passed through
The control of steering control system and realize Function for Automatic Pilot.When secondary knuckle 2 and main knuckle 1 link, Vehicular turn passes
Motivation structure can realize the steering of wide-angle, and the orientation angles such as the toe-in angle of wheel can also be entered during turn inside diameter
Row compensating approach, so as to improve the handling of Vehicular turn transmission mechanism.
Alternatively, the maximum of the first steering angle and the second steering angle sum is not less than 140 °.That is, for example, main turn
The value of maximum angle and main knuckle 1 and secondary knuckle 2 are rotated to along left-hand rotation direction to section 1 and secondary knuckle 2 along right-hand rotation direction
The value sum for rotating to maximum angle is not less than 140 °.Thus, the Vehicular turn transmission mechanism of this structure is being applied to car
When, radius of turn can not only be reduced, and when suitable for particular vehicles such as four-wheel drives, additionally it is possible to realize pivot stud
Function, crab row turning function and with realize multi-function rotating to effect., can be according to reality but the disclosure is not limited to this
Need to design the maximum of the second steering angle of the first steering angle of main knuckle 1 and secondary knuckle 2.
Alternatively, secondary knuckle 2 adjusts the second steering angle by linear drive apparatus 3.Wherein, linear drive apparatus 3
Diversified forms can be reasonably arranged to, as long as can realize that linear drives pair knuckle 2 is rotated with energy around pivot stud 21
Enough steering directions along main knuckle 1 adjust the second steering angle, for example, the linear drive apparatus 3 can also be electricity
The devices such as dynamic cylinder, hydraulic cylinder or cylinder.More effectively drive pair knuckle 2 it can be moved by linear drive apparatus 3, as far as possible
Kinetic equation loss when drive pair knuckle 2 moves is minimized, improves the drive efficiency of linear drive apparatus.
Specifically alternatively, as shown in Figure 2 and Figure 4, linear drive apparatus 3 includes linear electric motors 31, is articulated with main knuckle 1
On housing 32, the drive mechanism that is contained in housing 32 and is connected with the output end of linear electric motors 31 and be connected to the transmission
Structure is with the expansion link 33 that receives the power output of linear electric motors 31 and can be stretched relative to housing 32, the stretching of the expansion link 33
Ball pivot is held in secondary knuckle 2.Wherein, housing 32 can be articulated with main knuckle 1 to adapt to main knuckle 1 and secondary knuckle 2
Between relative position change.In addition, drive mechanism can be for the rotary output force of linear electric motors 31 to be converted into straight line
The rational structure of any one of driving force, so as to carry out linear drives to expansion link 33 by drive mechanism, thus drive secondary
Knuckle 2 rotates around pivot stud 21.But the disclosure is not limited to this, as long as linear drive apparatus 3 can realize driving
Secondary knuckle 2 rotates around pivot stud 21, then can use any rational structure.For example, the drive mechanism can be
Worm gear structure, worm gear are connected to the output end of linear electric motors 31, and worm and wheel coordinates and the connection of the telescopic end of worm screw
There is the expansion link 33 that can be rotated along the axis of worm screw, the external part ball pivot of the expansion link 33 is in secondary knuckle 2.Here, worm screw
When receiving the revolving force of worm gear and rotating and move in the axial direction, expansion link 33 does not rotate with worm screw and only carries out flexible fortune
It is dynamic.Thus, the rotary power of linear electric motors 31 is converted into by the flexible of expansion link 33 by worm gear screw-rod structure as described above
Motion, so as to realize that drive pair knuckle 2 rotates around pivot stud 21.
Alternatively, as shown in Figure 4 and Figure 5, drive mechanism includes having female sleeve 34 and is connected in straight line
The output end of motor 31 and the transmission belt 35 of the outer peripheral face of sleeve 34, expansion link 33 penetrate sleeve 34 and formed with screw-internal thread fit
External screw thread, along the side protrusion towards expansion link 33 formed with extension 24, the external part ball of expansion link 33 on secondary knuckle 2
Cut with scissors in extension 24.Wherein, the external part of expansion link 33 could be formed with the connecting portion that can be swung relative to the external part
39, the external part of expansion link 33 by the ball pivot of connecting portion 39 in the extension 24 on secondary knuckle 2, thus when in secondary knuckle 2
Pivot stud 21 axis be arranged as with the axis of the virtual stub 11 of main knuckle 1 it is not parallel when, secondary knuckle 2 relative to
Change can be subjected to displacement in the main rotation process of knuckle 1 with main knuckle 1 in the horizontal direction, and become to adapt to this displacement
Change, the ball pivot of connecting portion 39 is also chosen as enabling connecting portion 39 by guiding parts in the extension 24 on secondary knuckle 2
Enough relative to the adjustment position of extension 24, so that expansion link 33 drives secondary knuckle 2 to rotate for greater flexibility.Here, by straight
The revolving force that line motor 31 exports is transferred on sleeve 34 by transmission belt 35 and sleeve 34 rotates, and is penetrated inside sleeve 34
And with the screw thread of sleeve 34 coordinate expansion link 33 relative to housing 32 without stretching motion is rotationally only carried out, from there through using this
Kind leading screw principle drives ball pivot to be moved in the extension 24 on the external part of the expansion link 33 so that secondary knuckle 2 is around steering
Steering direction of the stub 21 along main knuckle 1 adjusts the second steering angle.Thus, the linear drives electricity of structure as described above is passed through
Machine 31 carrys out the rotation of easily and efficiently drive pair knuckle 2, so as to improve the steering efficiency of secondary knuckle 2.
Alternatively, the telescopic direction of expansion link 33 is perpendicular to the axis of pivot stud 21, and specifically, expansion link 33 is by prolonging
Extending portion 24 and pivot stud 21 are connected such that the telescopic direction of expansion link 33 all the time perpendicular to the axis of pivot stud 21, by
This so that the steering direction of secondary knuckle 2 and the telescopic direction keeping parallelism of expansion link 33 and can further reduce expansion link
The loss of 33 passing power.Here, the virtual stub of the axis and main knuckle 1 when the pivot stud 21 in secondary knuckle 2
In the case of 11 diameter parallel, the effect of the loss of the passing power as described above for reducing expansion link 33 can be more preferable.But this
It is open to be not limited to this, even if the telescopic direction of expansion link 33 and the axis out of plumb of pivot stud 21, can also pass through it
He adjusts structure come the routing motion for adapting to change in location between the two to realize good, for example, adjustment structure can be can
The external part of expansion link 33 is adjusted relative to the stretching structure of the interval location of the extension 24 of secondary knuckle 2.
Alternatively, as shown in figure 5, housing 32 includes the first housing section 36 for accommodating transmission belt 35 and covered for accommodating
Second housing section 37 of cylinder 34 and expansion link 33, linear electric motors 31 and described defeated are installed on the side outer wall of first housing section 36
Go out end to be inserted into the first housing section 36 and be connected with transmission belt 35, one end of the second housing section 37 has stretches for expansion link 33
Opening 38, the first housing section 36 with 33 corresponding outer wall of expansion link along the retracted orientation protrusion of expansion link 33 formed with keeping away
Portion is allowed, for avoiding being fully retracted into for expansion link 33.Wherein, the first housing section 36 and the second housing section 37 are detachable knot
Structure, axial limiting can be played a part of to sleeve 34 by the cooperation of the first housing section 36 and the second housing section 37, and
The internal face of the relief portion of first housing section 36 coordinates with the gap of expansion link 33.In addition, the bottom of the second housing section 37 is provided with
For installation into the installation portion on main knuckle 1, wherein the second housing section 37 can be articulated with main knuckle 1, to adapt to stretch
Contracting bar 33 drives the relative position between main knuckle 1 and secondary knuckle 2 during the secondary rotation of knuckle 2 to change.It is as described above, logical
Cross the first housing section 36 and the second housing section 37 and sleeve 34, expansion link 33 and linear electric motors 31 be assembled into overall structure,
So that linear drive apparatus 3 is compact-sized and required installing space is small, so as to be arranged on main knuckle 1 and secondary knuckle 2
Between and to main knuckle 1 and secondary knuckle 2 without interferingly realizing that drive pair knuckle 2 rotates.
Alternatively, the diameter parallel of the axis of virtual stub 11 and pivot stud 21.As a result, secondary knuckle 2 turns
It is identical with the steering direction of main knuckle 1 all the time to direction, so as to easily and securely control the drive pair of linear drive motor 3 to turn
To the second steering angle of the rotation of section 2.But the disclosure is not limited to this, the orientation angle of the axis of pivot stud 21 can root
It is designed according to being actually needed, such as the axis of the axis of virtual stub 11 and pivot stud 21 can also be not parallel, specifically may be used
The angle for electing the axis of virtual stub 11 and the axis of pivot stud 21 as is not more than 5 °.
Alternatively, as shown in Figures 2 and 3, installation base 12 is provided with main knuckle 1, be provided with secondary knuckle 2 with
The installation otic placode 22 that installation base 12 coordinates, pivot stud 21 penetrate the first mating holes and the installation being inserted on installation base 12
The second mating holes on otic placode 22 is simultaneously fixed by fastener 4.Here, the disclosure is not limited to this, as long as can be by turning
Main knuckle 1 and secondary knuckle 2 are installed to stub 21, then secondary knuckle 2 can also be installed to main steering by other forms
On section 1, for example, setting installation otic placode on main knuckle 1, installation base or installation otic placode are set, so as to turn on secondary knuckle 2
Penetrated to stub 21 and be inserted into the installation otic placode of main knuckle 1 and the installation base of secondary knuckle 2 or installation otic placode and by tight
Firmware 4 is fixed.
Alternatively, wheel fixed part is hub bearing 23 or hub spindle, so as to pass through wheel fixed part on secondary knuckle 2
Installing wheel, and main knuckle 1 is indirectly connected by secondary knuckle 2 with wheel, thus, in secondary knuckle 2 relative to main steering
Section 1 fix and only main knuckle 1 turns to, or while main knuckle 1 turns to pair knuckle 2 relative to main knuckle 1
When also being turned to, wheel can all turn to therewith.
According to another aspect of the present disclosure, a kind of wheel steering system is also provided, the wheel steering system includes as above institute
The Vehicular turn transmission mechanism stated, main knuckle 1 are provided with steering drag link 5 to connect steering gear 7 by installation portion.Wherein,
During steering wheel operation in wheel steering system, the steering force of steering wheel passes through steering after carrying out proper transformation by steering gear 7
Drag link 5 passes to main knuckle 1 so that and main knuckle 1 rotates around virtual stub 11 and adjusts the first steering angle, this
When, secondary knuckle 2 can by the driving of linear drive apparatus 3 and rotated around pivot stud 21 and can be along main knuckle 1
Steering direction adjustment relative to main knuckle 1 the second steering angle, thus, pass through the phase of main knuckle 1 and secondary knuckle 2
Mutually coordinate and realize the steering angle of increase wheel, thus there is the steering efficiency for improving wheel steering system and turning flexibility
Effect.
According to the another aspect of the disclosure, as shown in Figures 1 to 7, a kind of vehicle is also provided, the vehicle includes as described above
Wheel steering system, vehicle includes suspension 6, and main knuckle 1 is connected by suspension 6 with vehicle frame or vehicle body.Wherein, suspension 6 can
Using independent suspension, multi-connecting-rod separated suspension can be more specifically used, so as to which wheelspan can be ensured in wheel hop
It is small with the change of toe-in, improve the handling and comfortableness and ride comfort of vehicle., can basis but the disclosure is not limited to this
It is actually needed the structure for carrying out specific design suspension 6.
Specifically alternatively, suspension 6 includes the first suspension underarm 61 and the second suspension underarm 62, the lower end shape of main knuckle 1
Into the base 13 for having the both sides extension for being respectively facing main knuckle 1, one end of the first suspension underarm 61 and the second suspension underarm 62
One end difference ball pivot on base 13, the other end difference ball of the other end of the first suspension underarm 61 and the second suspension underarm 62
Cut with scissors in vehicle frame, to cause vehicle frame, the first suspension underarm 61, the second suspension underarm 62 and base 13 to be formed as quadric chain.
Here, when steering gear 7 drives main knuckle 1 around the rotation of virtual stub 11, the first suspension underarm 61 and second
Suspension underarm 62 can deform with the rotary motion of main knuckle 1, now, due to the characteristic of quadric chain, under the first suspension
The suspension underarm 62 of arm 61 and second can carry out amoeboid movement towards the direction for avoiding wheel 8, turn so as to carry out big corner in vehicle
To when for wheel 8 provide avoiding space.For example, as shown in Figure 7, it is illustrated that in show main knuckle 1 turn left the first steering angle
Secondary knuckle 2 continues the state of the second steering angle of left-hand rotation with motor car wheel 8 on the basis of degree.Now, if using conventional suspension
Be possible to produce the phenomenon that wheel interferes with suspension during system, and in the disclosure as a result of respectively with vehicle frame and master
The the first suspension underarm 61 and the second suspension underarm 62 that knuckle 1 is connected in the form of ball pivot, therefore, when main knuckle 1 revolves
When turning, the suspension underarm 62 of first suspension underarm 61 and second corresponding with the main knuckle 1 also can correspondingly rotate deformation,
, thus will not be with using the suspension 6 of said structure and the direction of rotary motion is realized in this rotational deformation direction to avoid wheel 8
Wheel 8 produces interference, and wheel wide-angle turning function is realized without the engineer room space of extra increase car body.In addition,
When vehicle travels, secondary knuckle 2 can be used as auxiliary steering function to work, and pass through the drive pair knuckle 2 of linear drive apparatus 3
Rotate, the orientation angles such as the toe-in angle of wheel 8 can be compensated and corrected relative to main knuckle 1, thus improve the behaviour of vehicle
Control performance.In addition, when vehicle is four-wheel drive vehicle, by the mutual cooperation of main knuckle 1 and secondary knuckle 2 and can be real
Existing pivot stud function, crab row turning function, thus have realize multi-function rotating to effect.
Here, the suspension 6 of various reasonable structure can be used, alternatively, suspension 6 also includes the suspension upper arm 63 of A types, should
One end ball pivot of suspension upper arm 63 is in the upper end of main knuckle 1, and the other end distinguishes ball pivot in vehicle body, the first suspension underarm 61
On formed with the damper installation portion 64 for mounting shock absorber.Thus, vehicle is alleviated by suspension system as described above
Caused vibration in running, improve the ride performance, comfortableness and security of vehicle.
For another example, alternatively, the upper end of main knuckle 1 is installed on vehicle body by damper, here, McPherson can be used
The structure on suspension top, i.e. on the basis of McPherson suspension structure, the lower swing arm of A fonts is changed to difference as described above
Ball pivot is in the first suspension underarm 61 and the second suspension underarm 62 on main knuckle 1.But the disclosure is not limited to this, Ke Yigen
According to the attachment structure being actually needed between the upper end for designing main knuckle 1 and vehicle body.
As described above, main knuckle 1 is driven to be rotated around virtual stub 11 to adjust the first steering angle by steering gear 7
Degree, now secondary knuckle 2 can be fixed relative to main knuckle 1, can also pass through the drive pair knuckle 2 of linear drive apparatus 3
Around pivot stud 21 rotate and along main knuckle 1 steering direction adjustment relative to main knuckle 1 the second steering angle, by
This, has in the vehicle of Vehicular turn transmission mechanism of said structure, passes through the mutual cooperation of main knuckle 1 and secondary knuckle 2
And the steering angle of increase wheel 8 is realized, thus there is the effect for improving Vehicular turn efficiency and turning flexibility.In addition,
When vehicle travels, linked by secondary knuckle 2 and main knuckle 1, Vehicular turn transmission mechanism can realize wide-angle
Turn to, and the orientation angles such as the toe-in angle of wheel 8 can also be compensated and repaiied by secondary knuckle 2 during turn inside diameter
Just, so as to improve the handling of Vehicular turn transmission mechanism, and then the security performance of vehicle is improved.
The preferred embodiment of the disclosure is described in detail above in association with accompanying drawing, still, the disclosure is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out to the technical scheme of the disclosure
Monotropic type, these simple variants belong to the protection domain of the disclosure.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the disclosure to it is various can
The combination of energy no longer separately illustrates.
In addition, it can also be combined between a variety of embodiments of the disclosure, as long as it is without prejudice to originally
Disclosed thought, it should equally be considered as disclosure disclosure of that.
Claims (15)
1. a kind of Vehicular turn transmission mechanism, the Vehicular turn transmission mechanism includes main knuckle (1), main knuckle (1) tool
There are virtual stub (11) and the installation portion for being connected in steering gear, the main knuckle (1) can surround described virtual main
Pin (11) is rotated to adjust the first steering angle, it is characterised in that the Vehicular turn transmission mechanism, which includes having, to be used to fix
The wheel fixed part of wheel is to connect the secondary knuckle (2) of the main knuckle (1) and the wheel, the secondary knuckle (2)
It is rotatably arranged in by the pivot stud (21) on the main knuckle (1), the secondary knuckle (2) turns around described
Rotated to stub (21) with can be along the steering direction adjustment of the main knuckle (1) relative to the of the main knuckle (1)
Two steering angles.
2. Vehicular turn transmission mechanism according to claim 1, it is characterised in that first steering angle and second turn
It is not less than 140 ° to the maximum of angle sum.
3. Vehicular turn transmission mechanism according to claim 1, it is characterised in that the secondary knuckle (2) passes through straight line
Drive device (3) adjusts second steering angle.
4. Vehicular turn transmission mechanism according to claim 3, it is characterised in that the linear drive apparatus (3) includes
Linear electric motors (31), the housing (32) being articulated with the main knuckle (1), be contained in the housing (32) and with it is described straight
The drive mechanism and be connected to the drive mechanism to receive the linear electric motors (31) that the output end of line motor (31) connects
Power output and can relative to the housing (32) stretch expansion link (33), the external part ball pivot of the expansion link (33) is in described
Secondary knuckle (2).
5. Vehicular turn transmission mechanism according to claim 4, it is characterised in that the drive mechanism includes having interior spiral shell
The sleeve (34) of line and it is connected in the output end of the linear electric motors (31) and the transmission belt of the sleeve (34) outer peripheral face
(35), the expansion link (33) penetrates the sleeve (34) and turned formed with the external screw thread with the screw-internal thread fit, the pair
Along prominent formed with extension (24), the stretching of the expansion link (33) towards the side of the expansion link (33) on to section (2)
Ball pivot is held in the extension (24).
6. Vehicular turn transmission mechanism according to claim 5, it is characterised in that the telescopic direction of the expansion link (33)
Axis perpendicular to the pivot stud (21).
7. Vehicular turn transmission mechanism according to claim 5, it is characterised in that the housing (32) includes being used to accommodate
The first housing section (36) of the transmission belt (35) and the second shell for accommodating the sleeve (34) and the expansion link (33)
Body portion (37), the linear electric motors (31) are provided with the side outer wall of first housing section (36) and the output end is inserted
It is connected in first housing section (36) with the transmission belt (35), one end of second housing section (37), which has, supplies institute
State the flexible opening (38) of expansion link (33), edge on the outer wall corresponding with the expansion link (33) of first housing section (36)
The retracted orientation protrusion of the expansion link (33) is formed with relief portion, for avoiding being fully retracted into for expansion link (33).
8. Vehicular turn transmission mechanism according to claim 1, it is characterised in that the axis of the virtual stub (11) with
The diameter parallel of the pivot stud (21).
9. Vehicular turn transmission mechanism according to claim 1, it is characterised in that be provided with the main knuckle (1)
Installation base (12), the installation otic placode (22) coordinated with the installation base (12) is provided with the secondary knuckle (2), it is described
Pivot stud (21) insertion is inserted into the on the first mating holes on the installation base (12) and installation otic placode (22)
Two mating holes are simultaneously fixed by fastener (4).
10. Vehicular turn transmission mechanism according to claim 1, it is characterised in that the wheel fixed part is hub spindle
Hold (23) or hub spindle.
11. a kind of wheel steering system, it is characterised in that the wheel steering system is included according to any one of claim 1-10
Described Vehicular turn transmission mechanism, the main knuckle (1) are provided with steering drag link (5) to connect by the installation portion
The steering gear.
12. a kind of vehicle, it is characterised in that the vehicle includes wheel steering system according to claim 11, the car
Include suspension (6), the main knuckle (1) is connected by the suspension (6) with vehicle frame or vehicle body.
13. vehicle according to claim 12, it is characterised in that the suspension (6) include the first suspension underarm (61) and
Second suspension underarm (62), the lower end of the main knuckle (1) extend formed with the both sides for being respectively facing the main knuckle (1)
Base (13), ball pivot is distinguished in the bottom in one end of one end of the first suspension underarm (61) and the second suspension underarm (62)
On seat (13), the other end of the other end of the first suspension underarm (61) and the second suspension underarm (62) distinguishes ball pivot in car
Frame, to cause the vehicle frame, the first suspension underarm (61), the second suspension underarm (62) and the base (13) to be formed as four companies
Linkage.
14. vehicle according to claim 13, it is characterised in that the suspension (6) also includes the suspension upper arm of A types
(63), one end ball pivot of the suspension upper arm (63) is in the upper end of the main knuckle (1), and the other end distinguishes ball pivot in car
Body, formed with the damper installation portion (64) for mounting shock absorber on the first suspension underarm (61).
15. vehicle according to claim 13, it is characterised in that pacified by damper the upper end of the main knuckle (1)
It is attached on vehicle body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610673701.0A CN107757705B (en) | 2016-08-15 | 2016-08-15 | Vehicular turn transmission mechanism, wheel steering system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610673701.0A CN107757705B (en) | 2016-08-15 | 2016-08-15 | Vehicular turn transmission mechanism, wheel steering system and vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107757705A true CN107757705A (en) | 2018-03-06 |
| CN107757705B CN107757705B (en) | 2019-11-08 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610673701.0A Active CN107757705B (en) | 2016-08-15 | 2016-08-15 | Vehicular turn transmission mechanism, wheel steering system and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107757705B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113859351A (en) * | 2021-10-15 | 2021-12-31 | 深圳技术大学 | Vehicle double-king-pin differential independent steering system |
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|---|---|---|---|---|
| CN201753076U (en) * | 2010-05-19 | 2011-03-02 | 比亚迪股份有限公司 | Steering knuckle assembly |
| CN202641845U (en) * | 2012-05-28 | 2013-01-02 | 宁波华盛汽车部件有限公司 | Left-handed steering knuckle assembly |
| JP2013018422A (en) * | 2011-07-13 | 2013-01-31 | Najiko Supaisaa Kk | Drive steering axle device of vehicle |
| CN202953039U (en) * | 2012-12-20 | 2013-05-29 | 中联重科股份有限公司 | Multi-axle steering control system |
| CN205440531U (en) * | 2016-03-28 | 2016-08-10 | 长城汽车股份有限公司 | Knuckle assembly and vehicle |
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2016
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201753076U (en) * | 2010-05-19 | 2011-03-02 | 比亚迪股份有限公司 | Steering knuckle assembly |
| JP2013018422A (en) * | 2011-07-13 | 2013-01-31 | Najiko Supaisaa Kk | Drive steering axle device of vehicle |
| CN202641845U (en) * | 2012-05-28 | 2013-01-02 | 宁波华盛汽车部件有限公司 | Left-handed steering knuckle assembly |
| CN202953039U (en) * | 2012-12-20 | 2013-05-29 | 中联重科股份有限公司 | Multi-axle steering control system |
| CN205440531U (en) * | 2016-03-28 | 2016-08-10 | 长城汽车股份有限公司 | Knuckle assembly and vehicle |
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| CN113859351A (en) * | 2021-10-15 | 2021-12-31 | 深圳技术大学 | Vehicle double-king-pin differential independent steering system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107757705B (en) | 2019-11-08 |
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