KR101163695B1 - Coupled torsion beam axle suspension of a vehicle - Google Patents

Coupled torsion beam axle suspension of a vehicle Download PDF

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Publication number
KR101163695B1
KR101163695B1 KR1020060124101A KR20060124101A KR101163695B1 KR 101163695 B1 KR101163695 B1 KR 101163695B1 KR 1020060124101 A KR1020060124101 A KR 1020060124101A KR 20060124101 A KR20060124101 A KR 20060124101A KR 101163695 B1 KR101163695 B1 KR 101163695B1
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South Korea
Prior art keywords
torsion beam
vehicle
beam axle
stabilizer bar
coupled
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KR1020060124101A
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Korean (ko)
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KR20080052078A (en
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임상민
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현대자동차주식회사
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Priority to KR1020060124101A priority Critical patent/KR101163695B1/en
Publication of KR20080052078A publication Critical patent/KR20080052078A/en
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    • 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
    • B60G21/051—Trailing arm twist beam axles
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G7/00—Pivoted suspension arms; Accessories thereof
    • B60G7/005—Ball joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/41—Elastic mounts, e.g. bushings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/416—Ball or spherical joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/422—Links for mounting suspension elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/43—Fittings, brackets or knuckles
    • 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
    • B60G2206/40—Constructional features of dampers and/or springs
    • B60G2206/42—Springs
    • B60G2206/427—Stabiliser bars or tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

본 발명은 스테빌라이저 바를 토션 빔과 트레일링 암의 내측으로 배치하여 스트럿 어셈블리의 쇽 업소버와 연결링크를 통하여 연결하여 설치함으로써 토션 빔의 과도한 비틀림 토크를 흡수함과 동시에, 롤 강성을 높일 수 있도록 하여 그 내구성을 향상시킬 수 있도록 하는 차량용 커플드 토션 빔 액슬을 제공한다. The present invention arranges the stabilizer bar to the inside of the torsion beam and the trailing arm to be connected to the shock absorber of the strut assembly and installed through the connecting link, thereby absorbing the excessive torsional torque of the torsion beam and increasing roll stiffness. Provided is a vehicle coupled torsion beam axle that can improve its durability.

커플드 토션 빔 액슬, 트레일링 암, CTBA, 스테빌라이저 바 Coupled torsion beam axle, trailing arm, CTBA, stabilizer bar

Description

차량용 커플드 토션 빔 액슬{COUPLED TORSION BEAM AXLE SUSPENSION OF A VEHICLE}Automotive Coupled Torsion Beam Axle {COUPLED TORSION BEAM AXLE SUSPENSION OF A VEHICLE}

도 1은 일반적인 커플드 토션 빔 액슬 타입의 후륜 현가장치의 사시도이다. 1 is a perspective view of a rear suspension of a general coupled torsion beam axle type.

도 2는 본 발명의 실시예에 따른 커플드 토션 빔 액슬 타입의 후륜 현가장치의 사시도이다. Figure 2 is a perspective view of the rear suspension of the coupled torsion beam axle type according to an embodiment of the present invention.

도 3은 본 발명의 실시예에 따른 커플드 토션 빔 액슬의 저면도이다.3 is a bottom view of the coupled torsion beam axle in accordance with an embodiment of the present invention.

본 발명은 차량용 커플드 토션 빔 액슬에 관한 것으로서, 보다 상세하게는 기존의 토션 바 대신 스테빌라이저 바를 적용하여 토션 빔의 과도한 비틀림 토크를 흡수함과 동시에 롤 강성을 높일 수 있도록 하여 그 내구성을 향상시킬 수 있도록 하는 차량용 커플드 토션 빔 액슬에 관한 것이다.The present invention relates to a vehicle coupled torsion beam axle, and more particularly, by applying a stabilizer bar instead of the conventional torsion bar to absorb excessive torsional torque of the torsion beam and at the same time increase the roll rigidity to improve its durability. A vehicle coupled torsion beam axle is provided.

통상적으로, 커플드 토션 빔 액슬(CTBA; Coupled Torsion Beam Axle) 타입의 현가장치는 단순한 부품으로 인하여 설계 성능 영역이 높지 않음에도 불구하고, 낮은 생산 단가와 작은 질량에 비해 상대적으로 높은 주행 안정성으로 주로 경차 및 준 중형차의 후륜 현가장치로 적용되어져 왔다.In general, the coupled torsion beam axle (CTBA) type suspension is mainly due to its low production cost and relatively high running stability compared to the small mass, although the design performance range is not high due to the simple components. It has been applied to the rear suspension of light and semi-medium cars.

이러한 커플드 토션 빔 액슬(CTBA) 타입의 현가장치의 구성은, 도 1에 도시된 바와 같이, 토션 빔(1)과 토션 바(미도시)가 구비되고, 상기 토션 빔(1)의 양단에는 타이어와 휠을 장착하기 위한 캐리어(3)를 일측에 장착한 트레일링 암(5)이 용접 고정된다. As shown in FIG. 1, the coupled torsion beam axle (CTBA) type suspension system includes a torsion beam 1 and a torsion bar (not shown), and is provided at both ends of the torsion beam 1. The trailing arm 5 having the carrier 3 for mounting the tire and the wheel on one side is welded and fixed.

상기 각 트레일링 암(5)의 일측은 차체(미도시)와 연결하기 위한 쇽 업소버(7)와 부시(9)가 구성되고, 스프링 시트(11)를 통하여 차체와의 사이에 스프링(13)이 설치된다.One side of each trailing arm 5 is configured with a shock absorber 7 and a bush 9 for connecting with a vehicle body (not shown), and a spring 13 between the vehicle body through the spring seat 11. This is installed.

이러한 커플드 토션 빔 액슬은 그 중앙에 위치한 토션 빔(1)의 토션 변형 특성으로 인하여 휠(Wheel)의 변형이 이루어지는 특징이 있으며, 토션 변형 및 트레일링 암(5; Trailing Arm)의 위치 및 부시(9) 특성에 의해서 범프(Bump)시에 토우인(Toe-In)으로 유도가 가능한 특징이 있다.The coupled torsion beam axle is characterized by the deformation of the wheel (Wheel) due to the torsional deformation characteristics of the torsion beam (1) located in the center, the position and the bushing of the torsion deformation and the trailing arm (5) (9) It is characteristic that can lead to Toe-In at the time of bump.

그러나 상기한 종래의 커플드 토션 빔 액슬은 적절한 롤 강성을 얻기 위하여 토션 빔과 토션 바의 단면을 증대하는 방법이 있으나, 이는 비용과 연비적인 측면에서 불리하다. 또한, 별도의 스테빌라이저 바를 부착하는 경우도 있으나, 후륜 현가장치의 구조 상, 공간이 부족하여 별도의 스테빌라이저 바를 부착하는 것이 어렵다는 단점이 있다.However, the conventional coupled torsion beam axle has a method of increasing the cross section of the torsion beam and the torsion bar in order to obtain proper roll rigidity, but this is disadvantageous in terms of cost and fuel efficiency. In addition, although a separate stabilizer bar may be attached, it is difficult to attach a separate stabilizer bar due to lack of space due to the structure of the rear suspension.

따라서 본 발명은 상기와 같은 종래 기술의 문제점을 해소하기 위하여 발명된 것으로서, 본 발명의 목적은 스테빌라이저 바를 토션 빔과 트레일링 암의 내측으로 배치하여 스트럿 어셈블리의 쇽 업소버와 연결링크를 통하여 연결하여 설치함 으로써 토션 빔의 과도한 비틀림 토크를 흡수함과 동시에, 롤 강성을 높일 수 있도록 하여 그 내구성을 향상시킬 수 있도록 하는 차량용 커플드 토션 빔 액슬을 제공하는 것이다. Therefore, the present invention has been invented to solve the problems of the prior art as described above, the object of the present invention is to arrange the stabilizer bar to the inside of the torsion beam and the trailing arm to connect through the shock absorber and connecting link of the strut assembly By providing the torsional beam axle for the vehicle to absorb the excessive torsional torque of the torsion beam, and to increase the rigidity of the roll to improve its durability.

상기와 같은 목적을 달성하기 위한 본 발명의 차량용 커플드 토션 빔 액슬은 토션 빔의 양단에 좌우측의 트레일링 암을 상호 연결하며, 상기 좌우측 트레일링 암에는 그 선단에 차체와의 장착을 위한 부시를 구성하고, 그 후방 내측에는 에는 스프링을 장착하기 위한 스프링 시트와 쇽 업소버 핀을 구성하며, 그 후방 외측에는 캐리어를 장착하기 위한 스핀들 브라켓을 구성하는 차량의 커플드 토션 빔 액슬에 있어서, Vehicle coupled torsion beam axle of the present invention for achieving the above object is interconnected to the left and right trailing arms on both ends of the torsion beam, the left and right trailing arms are provided with a bush for mounting with the vehicle body at the front end thereof. In the rear inner side, a spring seat for mounting the spring and the shock absorber pin, and the rear outer side of the coupled torsion beam axle of the vehicle constituting the spindle bracket for mounting the carrier,

상기 토션 빔의 배면 내측과 양측 트레일링 암의 내부를 따라 배치되어 양단부가 상기 양측 트레일링 암의 후방으로 돌출되어 위치되며, 상기 토션 빔의 양단부에 대응하는 양측은 마운팅 부시를 통하여 상기 토션 빔의 양단부에 장착되는 스테빌라이저 바; 상기 스테빌라이저 바의 양단부와 상기 양측 쇽 업소버의 일측에 형성되는 브라켓 사이에 각각 연결되는 양측 연결링크를 포함하는 것을 특징으로 한다.Both sides of the torsion beam are disposed along the inside of the rear side of the torsion beam and protruded to the rear of the both trailing arms, and both sides corresponding to both ends of the torsion beam are mounted through a mounting bush. A stabilizer bar mounted at both ends; It characterized in that it comprises a two-side connecting link connected between both ends of the stabilizer bar and the bracket formed on one side of the shock absorber on both sides.

상기 연결링크의 양단부는 상기 브라켓과 스테빌라이저 바의 단부에 볼 조인트를 통하여 연결되는 것을 특징으로 한다.Both ends of the connecting link is characterized in that connected to the end of the bracket and stabilizer bar through a ball joint.

이하 본 발명의 바람직한 실시예를 첨부한 도면을 참조하여 상세히 설명한다. Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 2는 본 발명의 실시예에 따른 커플드 토션 빔 액슬 타입의 후륜 현가장치의 사시도이고, 도 3은 본 발명의 실시예에 따른 커플드 토션 빔 액슬의 저면도이다.2 is a perspective view of a rear wheel suspension of a coupled torsion beam axle type according to an embodiment of the present invention, and FIG. 3 is a bottom view of the coupled torsion beam axle according to an embodiment of the present invention.

단, 본 발명의 구성을 설명함에 있어서, 종래 기술의 구성과 동일한 구성요소에 대해서는 동일한 도면부호를 적용하여 설명한다.However, in describing the configuration of the present invention, the same components as those in the prior art will be described with the same reference numerals.

본 발명의 실시예에 따른 차량용 커플드 토션 빔 액슬은, 도 2에서 도시된 바와 같이, 차체 횡방향으로 토션 빔(1)이 구비되고, 상기 토션 빔(1)의 양단에는 타이어와 휠을 장착하기 위한 캐리어(3)를 일측에 장착한 트레일링 암(5)이 용접 고정된다. In the vehicle coupled torsion beam axle according to the embodiment of the present invention, as shown in Figure 2, the torsion beam (1) is provided in the vehicle body transverse direction, both ends of the torsion beam (1) is equipped with tires and wheels The trailing arm 5 which mounted the carrier 3 to one side is welded and fixed.

상기 각 트레일링 암(5)의 일측은 차체(미도시)와 연결하기 위한 쇽 업소버(7)와 부시(9)가 구성되고, 스프링 시트(11)를 통하여 차체와의 사이에 스프링(13)이 설치된다.One side of each trailing arm 5 is configured with a shock absorber 7 and a bush 9 for connecting with a vehicle body (not shown), and a spring 13 between the vehicle body through the spring seat 11. This is installed.

이러한 구성의 커플드 토션 빔 액슬에서, 상기 토션 빔(1)의 배면 내측과 양측 트레일링 암(5)의 내부를 따라서는 스테빌라이저 바(21)가 배치된다. In the coupled torsion beam axle of this configuration, a stabilizer bar 21 is arranged inside the rear side of the torsion beam 1 and inside the two trailing arms 5.

상기 스테빌라이저 바(21)의 양단부는 상기 양측 트레일링 암(5)의 후방으로 돌출되어 위치되며, 상기 토션 빔(1)의 양단부에 대응하는 스테빌라이저 바(21)의 양측은 마운팅 부시(22)를 통하여 상기 토션 빔(1)의 양단부에 회전 가능하게 장착된다. Both ends of the stabilizer bar 21 are protruded to the rear of the both trailing arms 5, and both sides of the stabilizer bar 21 corresponding to both ends of the torsion beam 1 are mounted bushes 22. It is rotatably mounted on both ends of the torsion beam (1) through.

여기서, 상기 마운팅 부시(22)는 고무부시로 이루어지는 것이 바람직하다.Here, the mounting bush 22 is preferably made of a rubber bush.

그리고 상기 스테빌라이저 바(21)의 양단부는 상기 양측 쇽 업소버(7)의 일 측에 형성되는 브라켓(27)과의 사이에 각각 연결링크(23)를 통하여 연결된다. And both ends of the stabilizer bar 21 is connected via a connecting link 23 between the bracket 27 formed on one side of the shock absorber (7).

여기서, 상기 연결링크(23)의 양단부는 상기 브라켓(27)과 스테빌라이저 바(21)의 단부에 볼 조인트(25)를 통하여 연결된다. Here, both ends of the connecting link 23 is connected to the ends of the bracket 27 and the stabilizer bar 21 through the ball joint 25.

따라서 상기한 바와 같은 구성을 갖는 차량용 커플드 토션 빔 액슬은 그 중앙에 위치한 토션 빔(1)과 함께 스테빌라이저 바(21)의 토션 변형 특성으로 인하여 휠(Wheel)의 변형이 이루어지게 되며, 종래의 커플드 토션 빔 액슬에 비하여 토션 빔(1)의 단면 확대 없이도 적절한 롤 강성을 얻기 수 있으며, 별도의 스테빌라이저 바를 공간이 부족한 외측에 부착하지 않아도 됨으로 현가계의 설계 자유도를 높일 수 있게 된다. Therefore, the vehicle coupled torsion beam axle having the configuration as described above is deformed of the wheel (Wheel) due to the torsional deformation characteristics of the stabilizer bar 21 together with the torsion beam 1 located in the center thereof, Compared to the coupled torsion beam axle of the torsion beam (1) can be obtained without proper cross-sectional expansion of the roll rigidity, it is possible to increase the design freedom of the suspension system by not having to attach a separate stabilizer bar to the outside of the lack of space.

상술한 바와 같이, 본 발명의 차량용 커플드 토션 빔 액슬에 의하면, 스테빌라이저 바를 토션 빔과 트레일링 암의 내측으로 배치하여 스트럿 어셈블리의 쇽 업소버와 연결링크를 통하여 연결하여 설치함으로써 토션 빔의 과도한 비틀림 토크를 흡수함과 동시에, 롤 강성을 높일 수 있도록 하여 그 내구성을 향상시킬 수 있도록 하는 효과가 있다.As described above, according to the vehicle coupled torsion beam axle of the present invention, by placing the stabilizer bar inside the torsion beam and the trailing arm and connecting the shock absorber of the strut assembly through the coupling link to install the torsion beam excessive twisting At the same time absorbing torque, it is possible to increase the rigidity of the roll to improve the durability.

Claims (3)

토션 빔의 양단에 좌우측의 트레일링 암을 상호 연결하며, 상기 좌우측 트레일링 암에는 그 선단에 차체와의 장착을 위한 부시를 구성하고, 그 후방 내측에는 에는 스프링을 장착하기 위한 스프링 시트와 쇽 업소버 핀을 구성하며, 그 후방 외측에는 캐리어를 장착하기 위한 스핀들 브라켓을 구성하는 차량의 커플드 토션 빔 액슬에 있어서, The left and right trailing arms are interconnected at both ends of the torsion beam, and the left and right trailing arms comprise a bush for mounting the vehicle body at the tip thereof, and a spring seat and shock absorber for mounting springs at the rear side thereof. In the coupled torsion beam axle of the vehicle, which constitutes a pin, and on its rear outer side, a spindle bracket for mounting a carrier, 상기 토션 빔의 배면 내측과 양측 트레일링 암의 내부를 따라 배치되어 양단부가 상기 양측 트레일링 암의 후방으로 돌출되어 위치되며, 상기 토션 빔의 양단부에 대응하는 양측은 마운팅 부시를 통하여 상기 토션 빔의 양단부에 장착되는 스테빌라이저 바;Both sides of the torsion beam are disposed along the inside of the rear side of the torsion beam and protruded to the rear of the both trailing arms, and both sides corresponding to both ends of the torsion beam are mounted through a mounting bush. A stabilizer bar mounted at both ends; 상기 스테빌라이저 바의 양단부와 상기 양측 쇽 업소버의 일측에 형성되는 브라켓 사이에 각각 연결되는 양측 연결링크를 포함하는 것을 특징으로 하는 차량용 커플드 토션 빔 액슬.Coupled torsion beam axle for the vehicle, characterized in that it comprises a connecting link between both ends of each of the stabilizer bar and the bracket formed on one side of the shock absorber. 제1항에 있어서, The method of claim 1, 상기 연결링크의 양단부는 상기 브라켓과 스테빌라이저 바의 단부에 볼 조인트를 통하여 연결되는 것을 특징으로 하는 차량용 커플드 토션 빔 액슬.Both ends of the connecting link is coupled to the end of the bracket and stabilizer bar via a vehicle joint to the torsion beam axle. 제1항에 있어서, The method of claim 1, 상기 마운팅 부시는 고무부시로 이루어지는 것을 특징으로 하는 차량용 커플드 토션 빔 액슬.The mounting bushing torsion beam axle for the vehicle, characterized in that made of a rubber bush.
KR1020060124101A 2006-12-07 2006-12-07 Coupled torsion beam axle suspension of a vehicle KR101163695B1 (en)

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KR101101405B1 (en) * 2009-10-21 2012-01-02 주식회사화신 Method for calculation roll stiffness of tubular torsion beam in suspension system
KR101101409B1 (en) * 2010-07-20 2012-01-02 주식회사화신 Method for calculation single side spring stiffness of tubular torsion beam in suspension system
CN105291751A (en) * 2015-11-02 2016-02-03 北汽银翔汽车有限公司 Novel torsion beam assembly
CN110027381A (en) * 2019-03-15 2019-07-19 宁波可挺汽车零部件有限公司 A kind of torsion beam rear axle assembly

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Publication number Priority date Publication date Assignee Title
US20010004149A1 (en) 1999-12-17 2001-06-21 Hiroyuki Fujiki Torsion beam type suspension
JP2005119363A (en) 2003-10-14 2005-05-12 Honda Motor Co Ltd Torsion beam type suspension

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Publication number Priority date Publication date Assignee Title
US20010004149A1 (en) 1999-12-17 2001-06-21 Hiroyuki Fujiki Torsion beam type suspension
JP2005119363A (en) 2003-10-14 2005-05-12 Honda Motor Co Ltd Torsion beam type suspension

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