KR100792917B1 - Adjusting device for camber angle of vehicle - Google Patents

Adjusting device for camber angle of vehicle Download PDF

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Publication number
KR100792917B1
KR100792917B1 KR1020060126705A KR20060126705A KR100792917B1 KR 100792917 B1 KR100792917 B1 KR 100792917B1 KR 1020060126705 A KR1020060126705 A KR 1020060126705A KR 20060126705 A KR20060126705 A KR 20060126705A KR 100792917 B1 KR100792917 B1 KR 100792917B1
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KR
South Korea
Prior art keywords
vehicle
camber angle
bush
stabilizer bar
connecting link
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KR1020060126705A
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Korean (ko)
Inventor
임동민
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현대자동차주식회사
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D17/00—Means on vehicles for adjusting camber, castor, or toe-in
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
    • B60G17/016—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input
    • B60G17/0162—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input mainly during a motion involving steering operation, e.g. cornering, overtaking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
    • B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
    • B60G21/04—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
    • B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
    • B60G21/04—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically
    • B60G21/05—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected
    • B60G21/055—Stabiliser bars
    • B60G21/0551—Mounting means therefor
    • B60G21/0553—Mounting means therefor adjustable

Abstract

An apparatus for adjusting a camber angle of a vehicle is provided to perform the adjustment of the camber angle based on the displacement of a stabilizer bar caused by the change of the movement attitude of a vehicle according to the rolling of the vehicle. An apparatus for adjusting a camber angle of a vehicle includes a stabilizer bar(10), an assistant link(22), and a cam. The stabilizer bar(10) fixes two opposite ends of right and left lower arms by links(14). The assistant link(22) is installed toward a bush(26) of an upper arm between the stabilizer bar(10) and the link(14). The cam(24) is hinged to the bush(26) at the front end of the assistant link(22). The cam(24) pressurizes the bush(26) outward the chamber of a vehicle through a driving force delivered to the assistant link(22) when the vehicle rolls.

Description

차량의 캠버각 조절장치{adjusting device for camber angle of vehicle}Adjusting device for camber angle of vehicle

도 1은 종래 스테빌라이져 바아의 설치상태를 개략적으로 도시한 도면.1 is a view schematically showing an installation state of a conventional stabilizer bar.

도 2는 본 발명에 따른 차량의 캠버각 조절장치의 구성을 도시한 도면.2 is a view showing the configuration of a camber angle adjusting device of a vehicle according to the present invention.

도 3과 도 4는 각각 본 발명의 작동 전/후의 동작상태를 부분적으로 도시한 도면.Figures 3 and 4 partially show the operating states before and after the operation of the present invention, respectively.

본 발명은 주행중 선회시 차체의 롤링에 따른 거동 자세의 변화로부터 차륜의 캠버각을 조절하여 언더스티어 구배의 정도를 최적의 상태로 설정할 수 있도록 하는 차량의 캠버각 조절장치에 관한 것이다.The present invention relates to an apparatus for adjusting the camber angle of the vehicle to adjust the camber angle of the wheel from the change of the behavior posture according to the rolling of the vehicle body during the turning to set the optimal degree of the understeer gradient to an optimal state.

일반적으로 차량의 현가장치는 선회시 언더스티어 경향을 나타내도록 설계되는 데, 차량이 선회시 롤운동을 하게 되면, 차륜의 캠버각 변화로 인해 언더스티어의 정도가 변화될 수 있다.In general, the suspension of the vehicle is designed to exhibit an understeer tendency when turning. When the vehicle makes a roll movement during turning, the degree of understeer may change due to the camber angle change of the wheel.

즉, 차량이 선회시에는 롤운동을 하기 때문에 캠버각에 의한 언더스티어 구 배는 롤 각에 종속적으로 변화된다. 부연하자면 선회시 차량에는 롤운동으로 인한 캠버각의 변화로 언더스티어 구배의 변화가 발생하게 되는 것이다. In other words, the understeer gradient due to the camber angle changes depending on the roll angle because the vehicle makes a roll movement when the vehicle turns. In other words, when the vehicle turns, changes in the understeer gradient occur due to the change of the camber angle due to the roll motion.

이와 같이 선회시 차량이 롤운동을 할 때, 스테빌라이져 바아는 내/외측 차륜에 대한 위상 차이에 따라 롤 저항을 야기하게 된다.As such, when the vehicle rolls when turning, the stabilizer bar causes roll resistance according to the phase difference with respect to the inner / outer wheels.

도 1은 종래 스테빌라이져 바아의 설치상태를 도시하고 있는 바, 상기 스테빌라이져 바아(10)는 이의 양단부가 좌/우측 로어아암(12)에 각각 연결링크(14)를 매개로 고정되고, 상기 로어아암(12)은 어퍼아암(16)과 함께 너클아암(18)의 상/하단부를 지지하도록 결합되며, 상기 너클아암(18)의 스핀들(18a)에는 차륜(20)이 설치된다.Figure 1 shows the installation state of the conventional stabilizer bar, the stabilizer bar 10, both ends thereof are fixed to the left and right lower arm 12, respectively, through the link link 14, the lower arm ( 12 is coupled to the upper arm 16 so as to support the upper and lower ends of the knuckle arm 18, and the wheel 20 is installed on the spindle 18a of the knuckle arm 18.

즉, 상기 스테빌라이져 바아(10)는 차체의 횡방향으로 배치되도록 장착되어, 주행중 좌/우측 현가장치의 상대적인 거동자세의 변화에 따라 발생되는 차체의 롤링을 자체적으로 갖고 있는 롤 강성을 매개로 완화시킴으로써, 차체의 거동자세를 보다 더 안정화시키는 기능을 수행하게 된다.That is, the stabilizer bar 10 is mounted so as to be disposed in the transverse direction of the vehicle body, thereby mitigating the rolling rigidity which itself has the rolling of the vehicle body generated by the change in the relative attitude of the left and right suspensions while driving. As a result, the vehicle's body posture becomes more stable.

그런데, 상기와 같은 종래 스테빌라이져 바아(10)에서는 주행중 차량의 롤링시 차륜(20)의 캠버각을 조절하여 언더스티어 구배의 정도를 최적의 상태로 변화시킬 수 없는 구조이므로, 이에 대한 개선의 대책이 요구되고 있는 실정이다.However, in the conventional stabilizer bar 10 as described above, the structure of the understeer gradient cannot be changed to an optimal state by adjusting the camber angle of the wheel 20 when the vehicle is rolling while driving. It is a required situation.

이에 본 발명은 본 발명은 상기와 같은 제반 사안을 감안하여 안출된 것으로, 주행중 차체의 롤링에 따른 거동 자세의 변화로부터 수반되는 스테빌라이져 바 아의 변위를 매개로 차륜의 캠버각을 조절함으로써, 언더스티어 구배의 정도를 최적화시켜 차체의 거동 자세를 안정화시킬 수 있도록 하는 데 그 목적이 있다.Accordingly, the present invention is conceived in view of the above-mentioned issues, by adjusting the camber angle of the wheel through the displacement of the stabilizer bar accompanying the change in the behavior posture according to the rolling of the vehicle body, the understeer The purpose is to optimize the degree of gradient to stabilize the behavior of the body.

상기와 같은 목적을 달성하기 위한 본 발명은, 좌/우측 로어아암에 양단부가 각각 연결링크를 매개로 고정된 스테빌라이져 바아와; The present invention for achieving the above object, Stabilizer bar is fixed to the left / right lower arm via both ends of the link link;

상기 스테빌라이져 바아와 상기 연결링크 사이의 결합부위에서 어퍼아암의 차체측 부시를 향해 설치된 보조 연결링크 및; An auxiliary connection link provided toward the vehicle body side bush of the upper arm at an engagement portion between the stabilizer bar and the connection link;

상기 보조 연결링크의 선단부에서 상기 부시에 접촉하도록 힌지결합되고, 차체의 롤 발생시 상기 보조 연결링크를 통해 전달되는 작동력을 매개로 상기 부시를 차실외측으로 가압하는 캠을 포함하여 구성된 것을 특징으로 한다.The cam is hinged to contact the bush at the distal end of the auxiliary connecting link, and pressurizes the bush to the outside of the vehicle through the operating force transmitted through the auxiliary connecting link when a roll of the vehicle is generated.

이하 본 발명의 실시예를 첨부된 예시도면을 참조로 상세히 설명한다.Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도면에 도시된 바와 같이, 스테빌라이져 바아(10)의 양단부는 좌/우측 로어아암(12)에 각각 연결링크(14)를 매개로 고정되고, 상기 로어아암(12)은 어퍼아암(16)과 함께 너클아암(18)의 상/하단부를 지지하도록 결합되며, 상기 너클아암(18)의 스핀들(18a)에는 차륜(20)이 설치된다.As shown in the figure, both ends of the stabilizer bar 10 are fixed to the left and right lower arms 12 via connecting links 14, respectively, the lower arms 12 together with the upper arms 16. It is coupled to support the upper and lower ends of the knuckle arm 18, the wheel 20 is installed on the spindle (18a) of the knuckle arm (18).

또한, 상기 스테빌라이져 바아(10)의 양단부는 보조 연결링크(22)를 매개로 캠(24)과 연결되고, 상기 캠(24)은 상기 어퍼아암(16)의 차체측 마운팅 부위에 해당하는 부시(26)와 접촉되도록 설치된다.In addition, both ends of the stabilizer bar 10 is connected to the cam 24 via the auxiliary connecting link 22, the cam 24 is a bush (corresponding to the vehicle body side mounting portion of the upper arm 16) 26) to be in contact with.

이 경우, 상기 캠(24)은 상기 힌지점(24a)을 매개로 차체에 회동가능하게 설 치되고, 상기 캠(24)은 상기 힌지점(24a)으로부터 편심된 위치에서 상기 보조 연결링크(22)와 핀(22a)을 매개로 힌지결합된다.In this case, the cam 24 is rotatably installed on the vehicle body via the hinge point 24a, and the cam 24 is the auxiliary connecting link 22 at a position eccentric from the hinge point 24a. ) And the pin 22a is hinged.

그리고, 상기 어퍼아암(16)의 차체측 마운팅 부위에 해당하는 부시(26)는 상기 어퍼아암(16)과 결합되는 외통(26a)과, 상기 외통(26a)의 내주면에 가류접합된 고무류의 완충부재(26b) 및, 상기 완충부재(26b)의 중앙에서 상기 부시(26)를 차체측에 결합시켜 주는 체결핀(26c)을 갖추고 있다.In addition, the bush 26 corresponding to the vehicle body side mounting portion of the upper arm 16 has an outer cylinder 26a coupled to the upper arm 16 and a buffer of rubbers vulcanized to the inner circumferential surface of the outer cylinder 26a. The member 26b and the fastening pin 26c which couples the said bush 26 to the vehicle body side in the center of the said shock absorbing member 26b are provided.

따라서, 주행중 선회시 차체에 롤링이 발생되면, 선회 내측에 위치한 로어아암(12)은 범프하게 되고, 이로 인해 상기 스테빌라이져 바아(10)의 양단부와 결합된 보조 연결링크(22)도 범프운동을 하게 된다.Therefore, if rolling occurs in the vehicle body during turning while driving, the lower arm 12 located inside the turning bumps, thereby causing the auxiliary connecting link 22 coupled to both ends of the stabilizer bar 10 to also make a bump movement. do.

이 결과, 상기 보조 연결링크(22)가 상방향으로 밀리게 되면, 상기 캠(24)은 힌지점(24a)을 매개로 반시계방향으로 회동하게 되고, 상기 캠(24)의 회동에 따라 이에 접촉된 상기 부시(26)는 차실외측으로 가압되며, 이에 따라 상기 부시(26)에서는 완충부재(26b)의 변형으로 인해 상기 어퍼아암(16)은 차실외측을 향해 밀리게 되고, 이로 인해 차륜(20)의 캠버각에는 변화가 일어나게 된다.As a result, when the auxiliary connection link 22 is pushed upward, the cam 24 is rotated counterclockwise through the hinge point 24a, and accordingly the cam 24 is rotated. The bush 26 that is in contact is pressed to the outside of the vehicle, and thus the upper arm 16 is pushed toward the outside of the vehicle due to the deformation of the shock absorbing member 26b in the bush 26. A change occurs in the camber angle of 20).

즉, 본 발명에서와 같이 주행중 차체에 롤운동이 수반될 경우, 상기 스테빌라이져 바아(10)의 연결링크(14)와 결합된 상기 보조 연결링크(22)의 변위에 따른 캠(24)의 회동을 매개로 차륜(20)의 캠버각을 변화시킬 수 있게 되면, 차량의 목적과 용도에 맞도록 선회시 언더스티어 구배를 유도하여 더 나은 조종감을 얻을 수 있게 된다.That is, when the vehicle body is accompanied by a roll movement as in the present invention, the rotation of the cam 24 according to the displacement of the auxiliary link link 22 coupled to the link link 14 of the stabilizer bar 10 When the camber angle of the wheels 20 can be changed as a medium, a better steering feeling can be obtained by inducing an understeer gradient during turning to suit the purpose and purpose of the vehicle.

물론, 이는 상기 캠(24)의 형상이나 상기 부시(26)의 완충부재(26b)에 대한 강성 조절 등이 선행되어야 함은 조건으로 한다.Of course, this is a condition that the shape of the cam 24 or the rigidity adjustment to the buffer member 26b of the bush 26 must be preceded.

이상 설명한 바와 같이 본 발명에 따른 차량의 캠버각 조절장치에 의하면, 주행중 차체의 롤링에 따른 거동 자세의 변화로부터 수반되는 스테빌라이져 바아의 변위를 매개로 어퍼아암의 부시를 차실외측으로 가압하도록 보조 연결링크를 매개로 캠을 연동시켜 차륜의 캠버각을 조절함으로써, 언더스티어 구배의 정도를 최적화시켜 차체의 거동 자세를 안정화시킬 수 있게 된다.As described above, according to the camber angle adjusting device of the vehicle, the auxiliary connection link to press the bush of the upper arm to the outside of the vehicle through the displacement of the stabilizer bar accompanying the change of the behavior posture due to the rolling of the vehicle body while driving. By adjusting the camber angle of the wheel by interlocking the cam via the medium, it is possible to optimize the degree of the understeer gradient to stabilize the behavior of the vehicle body.

Claims (3)

좌/우측 로어아암(12)에 양단부가 각각 연결링크(14)를 매개로 고정된 스테빌라이져 바아(10)와; A stabilizer bar 10 having both ends fixed to the left and right lower arms 12 via a connecting link 14; 상기 스테빌라이져 바아(10)와 상기 연결링크(14) 사이의 결합부위에서 어퍼아암(16)의 차체측 부시(26)를 향해 설치된 보조 연결링크(22) 및; An auxiliary connecting link 22 installed toward the vehicle body side bush 26 of the upper arm 16 at an engagement portion between the stabilizer bar 10 and the connecting link 14; 상기 보조 연결링크(22)의 선단부에서 상기 부시(26)에 접촉하도록 힌지결합되고, 차체의 롤 발생시 상기 보조 연결링크(22)를 통해 전달되는 작동력을 매개로 상기 부시(26)를 차실외측으로 가압하는 캠(24)을 포함하여 구성된 것을 특징으로 하는 차량의 캠버각 조절장치.The bush 26 is hinged to contact the bush 26 at the distal end of the auxiliary connecting link 22 and is transferred to the outside of the vehicle through an operating force transmitted through the auxiliary connecting link 22 when a roll of the vehicle body is generated. Camber angle control device for a vehicle, characterized in that it comprises a pressurizing cam (24). 청구항 1에 있어서, The method according to claim 1, 상기 캠(24)은 상기 힌지점(24a)을 매개로 차체에 회동가능하게 설치됨과 더불어 상기 힌지점(24a)으로부터 편심된 위치에서 상기 보조 연결링크(22)와 핀(22a)을 매개로 힌지결합되는 것을 특징으로 하는 차량의 캠버각 조절장치.The cam 24 is rotatably installed on the vehicle body via the hinge point 24a and hinged via the auxiliary connecting link 22 and the pin 22a at a position eccentric from the hinge point 24a. The camber angle control device of the vehicle, characterized in that coupled. 청구항 1에 있어서, The method according to claim 1, 상기 부시(26)는 상기 어퍼아암(16)과 결합되는 외통(26a)과, 상기 외통(26a)의 내주면에 가류접합된 고무류의 완충부재(26b) 및, 상기 완충부재(26b)의 중앙에서 차체에 결합되는 체결핀(26c)을 갖춘 것을 특징으로 하는 차량의 캠버각 조절장치.The bush 26 has an outer cylinder 26a coupled to the upper arm 16, a rubber shock absorbing member 26b vulcanized and bonded to an inner circumferential surface of the outer cylinder 26a, and a center of the shock absorbing member 26b. Camber angle control device for a vehicle, characterized in that it has a fastening pin (26c) coupled to the vehicle body.
KR1020060126705A 2006-12-13 2006-12-13 Adjusting device for camber angle of vehicle KR100792917B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100916793B1 (en) * 2008-05-02 2009-09-14 현대자동차주식회사 Stabilizer unit for camber control of suspension system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5046753A (en) 1989-12-26 1991-09-10 John Giovanni Rear suspension system adjustable to make the rear wheels assume a predetermined toe alignment during cornering without effecting the wheels camber angle setting
JP2001062590A (en) * 1999-08-25 2001-03-13 Japan Steel & Tube Constr Co Ltd Pressing jig and welding method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5046753A (en) 1989-12-26 1991-09-10 John Giovanni Rear suspension system adjustable to make the rear wheels assume a predetermined toe alignment during cornering without effecting the wheels camber angle setting
JP2001062590A (en) * 1999-08-25 2001-03-13 Japan Steel & Tube Constr Co Ltd Pressing jig and welding method

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* Cited by examiner, † Cited by third party
Title
등록실용신안공보 제20-0162590호

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100916793B1 (en) * 2008-05-02 2009-09-14 현대자동차주식회사 Stabilizer unit for camber control of suspension system

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