CN102975578B - There is the manifold type torsion beam axle of swivel joint - Google Patents
There is the manifold type torsion beam axle of swivel joint Download PDFInfo
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- CN102975578B CN102975578B CN201110430538.2A CN201110430538A CN102975578B CN 102975578 B CN102975578 B CN 102975578B CN 201110430538 A CN201110430538 A CN 201110430538A CN 102975578 B CN102975578 B CN 102975578B
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- mounting bracket
- wheel mounting
- swivel joint
- wheel
- towing arm
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- 238000000034 method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 210000003371 Toes Anatomy 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000006011 modification reaction Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 210000001503 Joints Anatomy 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 230000001105 regulatory Effects 0.000 description 1
Abstract
The invention discloses a kind of manifold type torsion beam axle with swivel joint, it can include torsion beam；Towing arm, this towing arm is located on two ends of described torsion beam；And wheel mounting bracket, this wheel mounting bracket is located at the end of described towing arm and is adapted in this wheel mounting bracket install rear wheel, wherein the front end of the described wheel mounting bracket in the travel direction of vehicle utilizes and is plugged on the rubber bushing between described wheel mounting bracket and towing arm and may be hingedly attached to the front portion of described towing arm, and swivel joint can be further provided with between the rear end and the rear portion of described towing arm of described wheel mounting bracket, and the rear end of described wheel mounting bracket is pivotally connected to the rear end of described towing arm by this swivel joint.
Description
Cross-Reference to Related Applications
This application claims the priority of the korean patent application No.10-2011-0088966 of JIUYUE in 2011 submission on the 2nd, should
The full content of application is hereby incorporated by, for all purposes quoted by this.
Technical field
The present invention relates to a kind of manifold type torsion beam axle (CTBA), it is the suspension of a kind of vehicle, more specifically,
The present invention relates to a kind of CTBA with swivel joint, it utilizes swivel joint to change the geometrical property of CTBA, thus carries
High turn to or brake during stability.
Background technology
Compared with the CTBA being arranged on usually used as suspension in dilly hangs with other, there is relatively simple knot
Structure and small number of parts, and it is less to hang, than other, the weight manufactured.
Fig. 1 and Fig. 2 show schematically show the structure of the CTBA according to correlation technique.As depicted in figs. 1 and 2, CTBA bag
The towing arm 112 of two ends include the torsion beam 111 arranged in a width direction of the vehicle, being located at torsion beam 111 and tool
Having the wheel mounting bracket 114 of trailing wheel RW, this wheel mounting bracket 114 is arranged on the end of towing arm 112.
The architectural characteristic that CTBA according to correlation technique has is: during turning to or braking, outside described trailing wheel is carried out
Open (toe out), thus reduce steering stability or insensitivity.
As it is shown in figure 1, when vehicle is as shown by arrows towards the right hand steering of Fig. 1, left rear wheel and off hind wheel turn towards right side
To, and in particular, what the travel direction of outside backgear ratio vehicle turned to lacks.Therefore, trailing wheel is opened outward.
During braking as shown in Figure 2, compared with the power that is braked with trailing wheel is braked, vehicle body becomes due to inertia effects
To in being continuously advanced.Therefore, torsion beam towards vehicle travel direction and slight deformation becomes outer gibbosity.Therefore, trailing wheel is towards outside
Opening and open outward, this may damage insensitivity.
Meanwhile, in order to prevent from CTBA opens outside the inevitable trailing wheel occurred, it has been proposed that various methods.
Such as, Korean Patent Laid No.10-2006-0006797 has disclosed the skill of the beam angle value for controlling trailing wheel
Art.In the art, being provided with actuator and link component in CTBA, it can regulate the beam angle value of trailing wheel, and controls
Device operates actuator according to driving conditions and controls the beam angle value of trailing wheel.
But, the technology of the beam angle value being regulated trailing wheel by Electronic Control needs the highest cost.Therefore, the system of vehicle
Cause this increase, and its structure becomes complicated.
The information being disclosed in this background of invention technology segment is merely intended to deepen the reason of the general background technology to the present invention
Solve, and be not construed as recognizing or imply in any form the most known to those skilled in the art existing of this information structure
Technology.
Summary of the invention
Various aspects of the invention are devoted to provide a kind of manifold type torsion beam axle with swivel joint, and it is turning to
Or change the geometrical property of wheel mounting bracket during Zhi Dong, so that trailing wheel carries out internal beam (toe in), thus improve
Stability.
In the middle of in one aspect of the invention, a kind of manifold type torsion beam axle (CTBA) device, may include that torsion
Beam；Towing arm, this towing arm is located on two ends of described torsion beam；And wheel mounting bracket, this wheel mounting bracket
It is located at the end of described towing arm and is adapted in this wheel mounting bracket rear wheel is installed, wherein in the traveling of vehicle
The front end of the described wheel mounting bracket on direction utilizes the rubber lining being plugged between described wheel mounting bracket and towing arm
Overlap and be hinged to the front portion of described towing arm, and between the rear end and the rear portion of described towing arm of described wheel mounting bracket
It is further provided with swivel joint, and the rear end of described wheel mounting bracket is pivotally connected to described towing arm by this swivel joint
Rear end.
Described towing arm can include the end frame being formed at its end, and this end frame includes being respectively formed at this end
The front connecting portion of the front and rear of portion's support and rear connecting portion, thus it is projected into the outside of described torsion beam, described wheel is pacified
By connecting pin, pivot joint is connected to described front connecting portion in the front end of dress support, thus described lining is plugged on described wheel and installs
Between front end and the described connecting pin of support, the rear end of described wheel mounting bracket is hinged to one end of described swivel joint, and
And the rear connecting portion of described end frame is hinged to the other end of described swivel joint.
When turn inside diameter thus when apply side force, described wheel mounted thereto for outside trailing wheel is installed
The front end of frame is moved to vehicle interior side, thus described trailing wheel carries out internal beam.
When car braking thus when apply brake force, the front end of described wheel mounting bracket moves to vehicle interior side also
And the rear end of described wheel mounting bracket moves to vehicle outside, thus trailing wheel carries out internal beam.
Described end frame can include swivel joint stop part, and this swivel joint stop part is in described front connecting portion and institute
State and between rear connecting portion, can have the front end adjoined inside described swivel joint, and this swivel joint stop part is formed court
The inner side described rear connecting portion highlights.
Described swivel joint is connected to multiple terminal parts of the rear end of described wheel mounting bracket.
The manifold type torsion beam axle with swivel joint according to exemplary embodiment of the invention has simple knot
Structure, which compensates the geometry value of CTBA during turning to or braking, thus trailing wheel carries out internal beam.
It is to say, turning to period to be applied to trailing wheel when side force when, the front end of wheel mounting bracket moves to
Inner side, thus the trailing wheel receiving this side force carries out internal beam.During braking, when wheel mounting bracket is pushed to the same of rear side
Time, the front portion of wheel mounting bracket moves to inner side, and the rear portion of wheel mounting bracket moves to outside, thus trailing wheel is carried out
Internal beam.
As it has been described above, the geometry value during turning to or braking can be compensated, thus trailing wheel is by internal beam.Therefore, may be used
To improve steering stability and insensitivity.
By include in accompanying drawing herein and subsequently together with accompanying drawing for the concrete real of some principle of the present invention is described
Executing mode, further feature and advantage that methods and apparatus of the present invention is had will be clear from or more specifically be explained
Bright.
Accompanying drawing explanation
Fig. 1 is the plane graph of the CTBA according to correlation technique, which show and is turning to the state opened outside period trailing wheel.
Fig. 2 is the plane graph of the CTBA according to correlation technique, which show the state opened outside trailing wheel during braking.
Fig. 3 is the amplification stereogram of the CTBA with swivel joint according to exemplary embodiment of the invention.
Fig. 4 is the three-dimensional exploded view of the CTBA in Fig. 3.
Fig. 5 and Fig. 6 is plane graph and the display of the CTBA with swivel joint according to exemplary embodiment of the invention
View in the state turning to period trailing wheel generation internal beam.
Fig. 7 and Fig. 8 is plane graph and the display of the CTBA with swivel joint according to exemplary embodiment of the invention
The view of the state of trailing wheel generation internal beam during braking.
It is to be appreciated that appended accompanying drawing shows the exemplifying various features of the ultimate principle of the present invention with being not drawn to
The technique of painting slightly simplified.The specific design feature of invention disclosed herein include such as concrete size, direction, position and
Profile will partly be determined by the environment specifically applied and to use.
In these figures, running through several figures of accompanying drawing, reference quotes the same of the present invention or the portion being equal to
Point.
Detailed description of the invention
Quoting making each embodiment of the present invention in detail now, the example of these embodiments is displayed on
In accompanying drawing and be described as follows.Although the present invention will combine with illustrative embodiments and be described, it will be appreciated that this
Description is not intended to limit the invention to those illustrative embodiments.On the contrary, it is contemplated that not only cover these and show
Example embodiment, and within covering can be included in the spirit and scope of the present invention being defined by the appended claims
Various selection forms, modification, the equivalent form of value and other embodiment.
Hereinafter, connect describing the rotation that has according to exemplary embodiment of the invention in detail with reference to appended accompanying drawing
The manifold type torsion beam axle of head.
The manifold type torsion beam axle with swivel joint according to exemplary embodiment of the invention includes that vehicle is installed
Support 14 and swivel joint 17.The front end of the wheel mounting bracket 14 in the travel direction of vehicle utilizes and is plugged on wheel installation
Rubber bushing 15 between support 14 and towing arm 12 and be hinged to the front portion of towing arm 12, and swivel joint 17 is set thus
The rear end of wheel mounting bracket 14 is hinged to the rear portion of towing arm 12.
On the end of the towing arm 12 that end frame 13 is located at two ends being connected to torsion beam 11.End frame 13 exists
It is set to flat type on the end of towing arm 12, thus is connected to easily on part explained below.End frame 13
It is arranged in parallel to the travel direction of vehicle.
Front connecting portion 13a that end frame 13 includes being formed at its front and rear and rear connecting portion 13b, thus extend to
Outside, its purpose is to hinged wheel mounting bracket 14 and swivel joint 17, and this will be described herein below.Wheel is installed
Support 14 and swivel joint 17 are connected to end frame 13 by front connecting portion 13a and rear connecting portion 13b.
Wheel mounting bracket 14 is located on the end of towing arm 12, thus is installed in the trailing wheel of vehicle.Wheel is installed and is propped up
Frame 14 is hinged to the end of towing arm 12, that is, it is hinged to end frame 13.
In this case, the front end of wheel mounting bracket 14 is directly hinged to end frame by front connecting portion 13a
13, and the rear end of wheel mounting bracket 14 is connected to end frame 13 by swivel joint 17, and this will be carried out following
Describe.
The front connecting portion 13a of wheel mounting bracket 14 and end frame 13 carries out the structure of hinged part and can describe such as
Under.Wheel mounting bracket 14 is by front connecting portion 13a and the connecting pin 16 of wheel mounting bracket 14 through end frame 13
It is hinged to the front connecting portion 13a of end frame 13.In this case, the front end of wheel mounting bracket 14 and connecting pin 16 it
Between be provided with rubber bushing 15.
When lining 15 is plugged between wheel mounting bracket 14 and connecting pin 16, when such as side force Fs or
The when that the external force of brake force Fb being applied to wheel mounting bracket 14, the front end of wheel mounting bracket 14 is compressed at lining 15
In the range of move.When removing external force when, wheel mounting bracket 14 can be back to initial position.
Two ends of swivel joint 17 are difference pivot by the first swivel joint pin 17a and the second swivel joint pin 17b
Receive rear connecting portion 13b and the rear end of wheel mounting bracket 14 of end frame 13.Swivel joint 17 is by wheel mounting bracket 14
Rear end be connected to end frame 13 and define bar linkage structure so that when Vehicular turn or braking when wheel peace
Dress support 14 moves.That is, when make wheel mounting bracket 14 move owing to turning to or brake when, wheel is pacified
Dress support 14 can rotate, so that swivel joint 17 supports the rear end of wheel mounting bracket 14 in the least scope.
Therefore, the rear end of wheel mounting bracket 14 by two rotary shafts of swivel joint 17 (that is, the first swivel joint
Pin 17a and the second swivel joint pin 17b) and it is connected to end frame 13, thus when Vehicular turn or braking when, trailing wheel
Internal beam (toe in) is there is due to wheel mounting bracket 14 and the deformation of the geometry of end frame 13.
In such a case, it is possible to arrange two upper swivel joints and lower swivel 17, thus it is connected respectively to wheel
The upper and lower of the rear end of mounting bracket 14.
Swivel joint stop part 18 be formed from end frame 13 surface prominent and for prevent swivel joint 17 around
The first swivel joint pin 17a inwardly to rotate.Swivel joint stop part 18 is formed on end frame 13, thus at rear connecting portion
The inner side of 13b highlights, so that the front end of swivel joint stop part 18 is positioned at the inner side adjoining swivel joint 17.Owing to rotating
Swivel joint 17 is adjoined in the front end of joint stop part 18, and therefore swivel joint stop part 18 prevents swivel joint 17 around first
Swivel joint pin 17a inwardly rotates.When swivel joint 17 the most inwardly rotates around the first swivel joint pin 17a, trailing wheel RW
May open outward.Swivel joint stop part 18 supports swivel joint 17 to prevent from opening outside trailing wheel RW.
Reference marker 19 represents the spring base accommodating spring.
Hereinafter, with reference to appended accompanying drawing, the swivel joint that has according to exemplary embodiment of the invention will be described
The operation of CTBA.
Fig. 5 and Fig. 6 shows that vehicle carries out situation about turning to.As shown in Figure 5 and Figure 6, the front end of wheel mounting bracket 14
Move to inner side, thus trailing wheel carries out internal beam.
Turning to period at vehicle, the lateral along outside trailing wheel RW is applied with side force Fs.When side force Fs from
The when that outside being applied to trailing wheel RW, the front portion of wheel mounting bracket 14 moves to inner side, and trailing wheel RW occurs internal beam.Also
That is, install when side force Fs is applied to wheel when the front end of wheel mounting bracket 14 carries out hinged by lining 15
The when of support 14, the side of lining 15 is compressed due to side force (namely external force) Fs.Further, wheel is installed and is propped up
Junction point A between front end and the front connecting portion 13a of frame 14 moves to an A ', and the rear end of wheel mounting bracket 14 and rotation
Junction point B between joint 17 moves to a B '.
Therefore, as shown in Figure 4 and Figure 5, when cause side force Fs to be applied to trailing wheel RW owing to turning to when, wheel
The front end of mounting bracket 14 (outside trailing wheel is arranged in this wheel mounting bracket 14) moves to inner side, and swivel joint 17 by
Rotate in moving of wheel mounting bracket 14.Therefore, the geometry of CTBA changes, and after turning to period
Wheel carries out internal beam.Correspondingly, improve the steering stability of vehicle.
Fig. 7 and Fig. 8 shows when car braking, is connected to two wheel mounting brackets 14 of trailing wheel RW from initial position
Move to the process of rear side.As shown in Figure 7 and Figure 8, when the front portion of respective wheel mounting bracket 14 move to inner side and its
The when that rear portion moving to outside, wheel mounting bracket 14 is as entirety towards medial movement, thus trailing wheel RW carries out internal beam.
When vehicle stops or braking will pass through deceleration strip (speed bump) when, towards the braking of vehicle rear
Power Fb is applied to trailing wheel RW.
When brake force Fb is applied to wheel mounting bracket 14 when, wheel mounting bracket while lining 15 is by compression
The front portion of 14 is promoted to rear side, and the connecting portion between swivel joint 17 and wheel mounting bracket 14 and wheel mounting bracket
14 rearward rotating up at vehicle together.Swivel joint 17 rotate while, the rear portion of wheel mounting bracket 14 towards
The outside of vehicle is promoted.Further, the front portion of wheel mounting bracket 14 is oppositely oriented to vehicle interior side, and wheel is installed and propped up
The rear portion of frame 14 is oppositely oriented to vehicle outside.It is to say, the shifting gears so that wheel mounting bracket 14 of geometry
With the junction point A between front connecting portion 13a moves to an A ", and the connection between wheel mounting bracket 14 and swivel joint 17
Point B moves to a B " while, the front portion of wheel mounting bracket 14 moves to inner side, and the rear portion of wheel mounting bracket is moved
To outside.
Therefore, during braking, owing to the rear portion of wheel mounting bracket 14 moves to outside, therefore trailing wheel carries out internal beam.
Correspondingly, when car braking or by deceleration strip when, insensitivity and ride comfort can be improved.
For the ease of in the following claims explain and explication, term " on ", D score, " interior ", " outward ", " front " and
" afterwards " is for being described these features with reference to the position of the feature of illustrative embodiments shown in the figure.
The description that above embodiment specific illustrative to the present invention is presented is in order at the purpose of illustration and description.Above
Description be not intended to become milli the most exhaustively, be not intended to limit the invention to disclosed precise forms, it is clear that root
It is all possible for much changing according to above-mentioned teaching and changing.Select illustrative embodiments and to be described be to explain this
Bright certain principles and actual application thereof, so that others skilled in the art are capable of and utilize that the present invention's is each
Plant illustrative embodiments and various selection form thereof and modification.The scope of the present invention be intended to by appended claims and
Its equivalents is limited.
Claims (5)
1. a manifold type torsion beam axle device, including:
Torsion beam；
Towing arm, this towing arm is located on two ends of described torsion beam；And
Wheel mounting bracket, this wheel mounting bracket is located at the end of described towing arm and is adapted to install at this wheel prop up
Rear wheel is installed on frame；
Wherein, the front end of the described wheel mounting bracket in the travel direction of vehicle utilizes and is plugged on described wheel mounting bracket
And rubber bushing between towing arm and be hinged to the front portion of described towing arm,
Being further provided with swivel joint between the rear end and the rear portion of described towing arm of described wheel mounting bracket, this rotation connects
The rear end of described wheel mounting bracket is pivotally connected to the rear portion of described towing arm by head,
Described towing arm includes the end frame being formed at its end, and this end frame includes being respectively formed at this end frame
The front connecting portion of front and rear and rear connecting portion, thus it is projected into the outside of described torsion beam,
By connecting pin, pivot joint is connected to described front connecting portion in the front end of described wheel mounting bracket, thus described lining is planted
Between the front end and described connecting pin of described wheel mounting bracket,
The rear end of described wheel mounting bracket is hinged to one end of described swivel joint,
The rear connecting portion of described end frame is hinged to the other end of described swivel joint.
Manifold type torsion beam axle device the most according to claim 1, wherein when turn inside diameter thus apply side force
Time,
The front end of described wheel mounting bracket mounted thereto for outside trailing wheel is moved to vehicle interior side, thus described after
Wheel carries out internal beam.
Manifold type torsion beam axle device the most according to claim 1, wherein when car braking thus apply brake force
Time,
The front end of described wheel mounting bracket moves to the rear end of vehicle interior side and described wheel mounting bracket and moves to vehicle
Outside, thus trailing wheel carries out internal beam.
Manifold type torsion beam axle device the most according to claim 1, wherein said end frame includes that swivel joint is only
Block piece, this swivel joint stop part has between described front connecting portion and described rear connecting portion and adjoins inside described swivel joint
Front end, and this swivel joint stop part be formed towards described rear connecting portion inner side highlight.
Manifold type torsion beam axle device the most according to claim 1, wherein said swivel joint is connected to described wheel
The terminal part of the rear end of mounting bracket.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020110088966A KR101283231B1 (en) | 2011-09-02 | 2011-09-02 | CTBA having swing joint |
| KR10-2011-0088966 | 2011-09-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102975578A CN102975578A (en) | 2013-03-20 |
| CN102975578B true CN102975578B (en) | 2016-12-14 |
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