KR20030055382A - Semi multi support torsion beam rear suspension - Google Patents

Semi multi support torsion beam rear suspension Download PDF

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Publication number
KR20030055382A
KR20030055382A KR1020010084089A KR20010084089A KR20030055382A KR 20030055382 A KR20030055382 A KR 20030055382A KR 1020010084089 A KR1020010084089 A KR 1020010084089A KR 20010084089 A KR20010084089 A KR 20010084089A KR 20030055382 A KR20030055382 A KR 20030055382A
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KR
South Korea
Prior art keywords
torsion beam
semi
suspension
rear wheel
damper
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KR1020010084089A
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Korean (ko)
Inventor
이광호
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기아자동차주식회사
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Priority to KR1020010084089A priority Critical patent/KR20030055382A/en
Publication of KR20030055382A publication Critical patent/KR20030055382A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
    • B60G11/18—Resilient suspensions characterised by arrangement, location or kind of springs having torsion-bar springs only
    • 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
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/20—Constructional features of semi-rigid axles, e.g. twist beam type axles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2500/00—Indexing codes relating to the regulated action or device
    • B60G2500/10—Damping action or damper

Abstract

PURPOSE: A semi multipoint support rear wheel torsion beam suspension is provided to improve riding comfort without changing a structure by reducing and absorbing shock and vibration. CONSTITUTION: A semi multipoint support rear wheel torsion beam suspension has a damper(2) to a middle portion of a torsion beam(1). An upper end of the damper is connected to a lower portion of a vehicle body and a lower end of the damper is installed to the middle portion of the torsion beam. A stopper, a combination of the stopper and a weight are used instead of the damper. Thereby, shock and vibration are reduced and absorbed by a damping member installed to the middle portion of the torsion beam.

Description

세미 다점 지지 후륜 토션 빔 서스펜션{Semi multi support torsion beam rear suspension}Semi multi support torsion beam rear suspension

본 발명은 토션 빔 리어 서스펜션에 관한 것이고, 보다 상세하게는 토션 빔 리어 서스펜션의 중앙에 충격을 흡수할 수 있는 부재가 제공되는 세미 다점 지지 후륜 토션 빔 서스펜션에 관한 것이다.The present invention relates to torsion beam rear suspension, and more particularly to a semi-multipoint support rear wheel torsion beam suspension provided with a member capable of absorbing shock at the center of the torsion beam rear suspension.

일반적으로, 자동차에 있어서의 서스펜션 시스템은 차체와 차륜사이에 존재하면서 이 2개의 강체를 하나 혹은 다수의 컨트롤아암으로 연결하여 상항 방향으로는 스프링과 쇽 업소오버에 의하여 지지되고, 기타 방향으로는 높은 강성과 유연성을 적절히 조화시킴으로써, 차체와 차륜사이의 상대운동을 기계적으로 적절히 조화시켜 주행중 노면으로부터 받는 진동과 충격을 흡수하여 승차감과 선회 안정성을 향상시키는 장치이다.In general, a suspension system in a vehicle exists between a body and a wheel, and connects the two rigid bodies with one or more control arms and is supported by springs and shock absorbers in the upward direction, and high in the other directions. By harmonizing rigidity and flexibility properly, the relative movement between the vehicle body and the wheel is mechanically balanced to absorb vibrations and shocks received from the road surface while driving, thereby improving ride comfort and turning stability.

이러한 현가장치는 노면으로부터의 입력에 대한 여러 부문의 성능을 만족시키기 위하여 다음의 3가지 조건이 요구되고 있다.In order to satisfy the performance of various sectors for the input from the road surface, the following three conditions are required.

첫째, 조정 안정성을 위하여 타이어는 이상적인 자세를 유지케 하여 노면에 대한 그립(grip)력을 극대화하고, 차체는 나름대로 최상의 자세를 유지하여 목적하는 차량 운동상태를 가능케 하여야 하며, 특히 어떠한 상태에서도 항상 다음 동작을 얻을 수 있는 순간력을 지님과 동시에 운전자의 의도하는 방향 및 순간 외에는 외부 입력에 의한 어떠한 거동도 허용하면 안 된다.First, the tire should maintain the ideal posture to maximize the grip force on the road, and the body should maintain the best posture in order to enable the desired vehicle movement state, especially in any condition At the same time, it must not have any momentary power to gain motion and allow any action by external inputs other than the driver's intended direction and moment.

둘째, 안락감을 위하여 어떠한 충격도 민첩하게 흡수할 수 있도록 하여 차내에 있는 탑승자들로 하여금 불쾌감을 느끼지 못하도록 하여야 한다.Secondly, for comfort, it should be possible to absorb any shock quickly so that passengers in the car may not feel uncomfortable.

셋째 충돌시 이의 충돌에너지의 흡수에 기여하도록 하여 충돌 안정성을 증대시킬 수 있도록 하여야 한다.Third, in case of collision, it should contribute to the absorption of its collision energy so that collision stability can be increased.

이러한 요구조건을 충족시킬 수 있는 서스펜션 시스템은 그 종류가 매우 다양하며, 그들 나름대로 꾸준한 발전이 거듭되고 있는데, 특히 최근에는 고출력 엔진의 등장과 더블어 소비자의 '주행의 재미(fun to drive)'에 대한 선호도가 급격히증가하기 시작함에 따라 운전자의 의지를 유쾌하게 표현할 수 있는 고성능 서스펜션의 시스템의 출현이 강력히 요구되고있다.There are many types of suspension systems that can meet these requirements, and their development is steadily growing, especially in recent years with the emergence of high-power engines and the 'fun to drive' of double-ear consumers. As preferences begin to increase rapidly, the emergence of a system of high-performance suspension that can express the driver's will pleasantly is strongly required.

그러나, 현재까지의 개발되어 사용되고 있는 트레일링 아암 타입, 토션 빔 액슬 타입, 스트러트 타입, 더블 위쉬본 타입과같은 리어 서스펜션 시스템으로는 상기 요구를 충분히 수용하기에는 불충분하다.However, rear suspension systems such as the trailing arm type, the torsion beam axle type, the strut type, and the double wishbone type, which have been developed and used to date, are insufficient to sufficiently satisfy the above requirements.

이에 따라 최근에는 적어도 3개 이상의 링크를 사용하여 노면으로부터 입력되는 충격 및 진동과, 차체의 진동을 이상적인 기구학적 운동으로 이들을 효과적으로 수용할 수 있는 멀티 링크 타입 서스펜션 시스템이 개발되어 양산차량에 적용되고있는 추세이다.Recently, a multi-link suspension system has been developed that can effectively accommodate shocks and vibrations input from the road surface using at least three links and vibrations of the vehicle body with ideal kinematic movements. It is a trend.

도 1은 종래의 토션 빔 리어 서스펜션의 구조를 개략적으로 도시한 도면이다. 도 1에 도시된 바와 같은 토션 빔 리어 서스펜션은 비교적 소형의 승용차 후륜에 사용된다.1 is a view schematically showing the structure of a conventional torsion beam rear suspension. The torsion beam rear suspension as shown in FIG. 1 is used for a relatively small passenger car rear wheel.

그러나, 상기된 바와 같은 종래의 토션 빔 리어 서스펜션은 가격은 저렴하고 구조가 간단하다는 장점은 있으나, 중대형 승용차에 사용되는 독립 현가식 서스펜셔에 비하여 승차감을 향상시키는데는 한계가 있다는 문제점이 있었다.However, the conventional torsion beam rear suspension as described above has the advantage of low cost and simple structure, but there is a problem in that the ride comfort is limited compared to the independent suspension suspension used for medium and large passenger cars.

따라서, 본 발명의 목적은 간단한 구조의 추가로 승차감을 향상시킬 수 있는 구조를 가지는 세미 다점 지지 후륜 토션 빔 서스펜션을 제공하는데 있다.Accordingly, it is an object of the present invention to provide a semi-multipoint supporting rear wheel torsion beam suspension having a structure which can further improve the riding comfort with the addition of a simple structure.

도 1은 종래의 토션 빔 리어 서스펜션의 구조를 개략적으로 도시한 도면.1 schematically illustrates the structure of a conventional torsion beam rear suspension;

도 2는 본 발명에 따른 세미 다점 지지 후륜 토션 빔 서스펜션의 구조의 일 예를 개략적으로 도시한 도면.2 is a view schematically showing an example of the structure of a semi-multipoint supporting rear wheel torsion beam suspension according to the present invention;

도 3은 본 발명에 따른 세미 다점 지지 후륜 토션 빔 서스펜션의 구조의 다른 예를 개략적으로 도시한 도면.3 schematically illustrates another example of the structure of a semi-multipoint supporting rear wheel torsion beam suspension according to the present invention;

도 4는 본 발명에 따른 세미 다점 지지 후륜 토션 빔 서스펜션의 구조의 또 다른 예를 개략적으로 도시한 도면.Figure 4 schematically shows another example of the structure of the semi-multipoint supporting rear wheel torsion beam suspension according to the present invention.

<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for the main parts of the drawings>

1 : 토션 빔2, 2', 2" : 진동 감쇠 부재1: torsion beam 2, 2 ', 2 ": vibration damping member

상기된 바와 같은 목적은, 엔진의 동력을 구동바퀴에 전달하는 토션 액슬과,상기 토션 액슬에 진자 운동을 하는 토션 빔과, 상기 토션 액슬에 설치되어 차체의 상하 진동을 감쇠시키는 댐퍼를 포함하는 자동차용 토션 빔 리어 서스펜션에 있어서, 상기 토션 빔의 중앙에 진동 감쇠 부재가 제공되고, 상기 진동 감쇠 부재의 상단은 차체 하부에 연결되며, 하단은 상기 토션 빔의 중앙에 설치되는 것을 특징으로 하는 본 발명에 따른 세미 다점 지지 후륜 토션 빔 서스펜션에 의하여 달성될 수 있다.An object as described above, a vehicle including a torsion axle for transmitting the power of the engine to the drive wheel, a torsion beam for pendulum movement to the torsion axle, and a damper installed in the torsion axle to damp the up and down vibration of the vehicle body In the torsion beam rear suspension for vibration, a vibration damping member is provided at the center of the torsion beam, an upper end of the vibration damping member is connected to a lower part of the vehicle body, and a lower end is installed at the center of the torsion beam. It can be achieved by a semi multi-point support rear wheel torsion beam suspension according to.

상기 진동 감쇠 부재는 댐퍼, 스토퍼 또는 스토퍼와 웨이트의 조합물로 구성될 수 있다.The vibration damping member may be composed of a damper, a stopper or a combination of stoppers and weights.

이하, 본 발명의 바람직한 실시예를 명세서에 첨부된 도면을 참조하여 보다 상세하게 설명한다.Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings.

도 2는 본 발명에 따른 세미 다점 지지 후륜 토션 빔 서스펜션의 구조를 개략적으로 도시한 도면이다.2 is a view schematically showing the structure of a semi-multipoint supporting rear wheel torsion beam suspension according to the present invention.

도 2에 도시된 바와 같이, 본 발명에 따른 세미 다점 지지 후륜 토션 빔 서스펜션은 토션 빔(1)의 중앙에 진동 감쇄 부재로서 댐퍼(2)가 제공된다. 댐퍼(2)는 상단이 차체 하부(도시되지 않음)에 연결되며, 하단이 토션 빔(1)의 중앙에 설치된다. 대안적으로 진동 감쇄 부재는 댐퍼 대신 도 3 및 도 4에 각각 도시된 바와 같이, 스토퍼(2') 또는 스토퍼(2')와 웨이트(2")의 조합으로 이루어질 수도 있다.As shown in Fig. 2, the semi-multipoint supporting rear wheel torsion beam suspension according to the present invention is provided with a damper 2 as a vibration damping member in the center of the torsion beam 1. The damper 2 has an upper end connected to a lower portion of the vehicle body (not shown), and a lower end is installed at the center of the torsion beam 1. Alternatively, the vibration damping member may be made of a stopper 2 'or a combination of the stopper 2' and the weight 2 ", as shown in FIGS. 3 and 4, respectively, instead of the damper.

진동 감쇠 부재로 사용되는 댐퍼(2), 스토퍼(2') 또는 웨이트(2")는 종래의 서스펜션에 사용되는 사양과 동일하지만, 그 특성이 적절하게 조절될 수 있다.The damper 2, stopper 2 'or weight 2 "used as the vibration damping member is the same as the specification used for the conventional suspension, but the characteristics thereof can be appropriately adjusted.

본 발명에 따라서, 토션 빔(1)의 중앙에 설치되는 진동 감쇠 부재에 의하여종래의 서스펜션에서 한계에 도달하여 향상시키기 어려운 임펙트시의 충격 및 진동을 감쇠, 흡수함으로써, 승차감이 향상될 수 있다.According to the present invention, the riding comfort can be improved by attenuating and absorbing the shock and vibration during impact that are difficult to reach and improve in the conventional suspension by the vibration damping member provided in the center of the torsion beam 1.

상기된 바와 같은 구조를 가지는 본 발명에 따른 세미 다점 지지 후륜 토션 빔 서스펜션에 의하면, 구조의 변경이 없으므로 용이하게 적용하여 차량의 승차감을 향상시킬 수 있어, 상품성을 크게 향상시킬 수 있다.According to the semi-multi-point supporting rear wheel torsion beam suspension according to the present invention having the structure as described above, since there is no change in the structure, it can be easily applied to improve the riding comfort of the vehicle, thereby greatly improving the merchandise.

Claims (4)

엔진의 동력을 구동바퀴에 전달하는 토션 액슬과,A torsion axle that delivers power from the engine to the drive wheels, 상기 토션 액슬에 진자 운동을 하는 토션 빔과,A torsion beam for pendulum motion to the torsion axle, 상기 토션 액슬에 설치되어 차체의 상하 진동을 감쇠시키는 댐퍼를 포함하는 자동차용 토션 빔 리어 서스펜션에 있어서,In the torsion axle rear suspension for automobiles comprising a damper installed on the torsion axle to damp the up and down vibration of the vehicle body, 상기 토션 빔의 중앙에 진동 감쇠 부재가 제공되고, 상기 진동 감쇠 부재의 상단은 차체 하부에 연결되며, 하단은 상기 토션 빔의 중앙에 설치되는 것을 특징으로 하는 세미 다점 지지 후륜 토션 빔 서스펜션.Semi-multipoint support rear wheel torsion beam suspension, characterized in that the vibration damping member is provided in the center of the torsion beam, the upper end of the vibration damping member is connected to the lower portion of the vehicle body, the lower end is installed in the center of the torsion beam. 제 1 항에 있어서, 상기 진동 감쇠 부재는 댐퍼인 것을 특징으로 하는 세미 다점 지지 후륜 토션 빔 서스펜션.The semi-multipoint support rear wheel torsion beam suspension according to claim 1, wherein the vibration damping member is a damper. 제 1 항에 있어서, 상기 진동 감쇠 부재는 스토퍼인 것을 특징으로 하는 세미 다점 지지 후륜 토션 빔 서스펜션.The semi-multipoint support rear wheel torsion beam suspension according to claim 1, wherein the vibration damping member is a stopper. 제 1 항에 있어서, 상기 진동 감쇠 부재는 스토퍼 및 웨이트의 조합물인 것을 특징으로 하는 세미 다점 지지 후륜 토션 빔 서스펜션.The semi-multipoint support rear wheel torsion beam suspension according to claim 1, wherein the vibration damping member is a combination of a stopper and a weight.
KR1020010084089A 2001-12-24 2001-12-24 Semi multi support torsion beam rear suspension KR20030055382A (en)

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KR101361246B1 (en) * 2012-12-06 2014-02-11 현대자동차주식회사 Coupled torsion beam axle for vehicle

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