KR20100096843A - Tortion beam axle for vehicle - Google Patents

Tortion beam axle for vehicle Download PDF

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Publication number
KR20100096843A
KR20100096843A KR1020090015905A KR20090015905A KR20100096843A KR 20100096843 A KR20100096843 A KR 20100096843A KR 1020090015905 A KR1020090015905 A KR 1020090015905A KR 20090015905 A KR20090015905 A KR 20090015905A KR 20100096843 A KR20100096843 A KR 20100096843A
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KR
South Korea
Prior art keywords
torsion beam
wheel
vehicle
beam axle
joint
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KR1020090015905A
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Korean (ko)
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KR101121898B1 (en
Inventor
전진화
홍승택
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현대제철 주식회사
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Priority to KR1020090015905A priority Critical patent/KR101121898B1/en
Publication of KR20100096843A publication Critical patent/KR20100096843A/en
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Publication of KR101121898B1 publication Critical patent/KR101121898B1/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
    • 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
    • B60G7/00—Pivoted suspension arms; Accessories thereof
    • B60G7/001—Suspension arms, e.g. constructional features
    • 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
    • B60G2204/416—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
    • B60G2206/70—Materials used in suspensions
    • B60G2206/72—Steel
    • B60G2206/722—Plates
    • 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
    • B60G2206/80—Manufacturing procedures
    • B60G2206/82—Joining
    • B60G2206/8201—Joining by welding
    • 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

PURPOSE: A torsion beam axle for a vehicle is provided to reducing manufacturing costs of a vehicle by applying the torsion beam axle to a four-wheel steering system. CONSTITUTION: A torsion beam axle(1) for a vehicle comprises a torsion beam(10), trailing arms(20), and a wheel joint member(30). The torsion beam is installed crossing a vehicle body. The trailing arms are arranged in both ends of the torsion beam in a longitudinal direction. A wheel is installed in the wheel joint member, and the wheel joint member steers the wheel.

Description

자동차용 토션 빔 액슬{Tortion Beam Axle for Vehicle}Torsion Beam Axle for Vehicles

본 발명은 자동차용 토션 빔 액슬에 관한 것으로 더 상세하게는 뒷 바퀴의 토우 각을 조절할 수 있도록 발명된 것이다.The present invention relates to a torsion beam axle for automobiles, and more particularly, to adjust the toe angle of the rear wheels.

일반적으로 자동차의 현가장치(suspension system)는 차축과 차체를 연결하여 주행할 때 차축이 노면에서 받는 진동이나 충격을 차체에 직접 전달되지 않도록 하여 차체나 화물의 손상을 방지하고 승차감을 좋게 하는 장치이다.In general, a suspension system of a vehicle is a device that prevents damage to a vehicle body or a cargo and improves ride comfort by preventing the axle from directly transmitting vibrations or shocks received from the road surface when the axle is connected to the vehicle body. .

이 현가장치는 노면으로 오는 진동을 흡수하며 각종 부품들이 받는 충격을 완충시켜 차량의 승차감을 결정하고, 차체의 선회 시 쏠림을 방지하고 차체의 평형을 유지하는 기능을 하는 것이다.The suspension system absorbs vibrations coming from the road surface and buffers the shocks from various parts to determine the ride quality of the vehicle, and prevents the vehicle from turning and maintains the vehicle's equilibrium.

상기한 자동차의 후륜 현가 장치에 적용되는 토션 빔 액슬은 도 1에서 도시한 바와 같이 차체를 가로질러 설치되는 토션 빔(10) 및 상기 토션 빔(10)의 양 단부에 차체 길이 방향으로 배치되는 트레일링 암(20)을 포함한다.The torsion beam axle applied to the rear suspension of the vehicle is a torsion beam 10 installed across the vehicle body as shown in FIG. 1 and trails disposed at both ends of the torsion beam 10 in the vehicle body length direction. Ring arm 20.

상기 트레일링 암(20)은 일 단에 구비되는 부시(21)를 통해 차체에 장착되고, 타단에 쇽 업쇼바가 장착되는 것이다.The trailing arm 20 is mounted to the vehicle body through a bush 21 provided at one end, and the shock absorber is mounted at the other end.

또 상기 트레일링 암(20)에는 뒷 바퀴가 장착되는 스핀들 브라켓트(20a)가 용접되어 장착된다.In addition, the trailing arm 20 is welded to the spindle bracket 20a to which the rear wheel is mounted.

상기 토션 빔 액슬(1)은 다른 독립 현가 장치에 사용되는 차 축(멀티 링크, 듀얼 링크 등)보다 구조가 간단하여 제조 원가 절감에 유리한 구조물인 것이다.The torsion beam axle 1 is a structure that is simpler than the axle (multi-link, dual-link, etc.) used in other independent suspension devices, which is advantageous in reducing manufacturing costs.

그러나 종래의 토션 빔 액슬(1)은 뒷 바퀴가 장착되는 스핀들 브라켓트(20a)가 용접되어 고정되므로 뒷 바퀴의 토우 앵글이 구속되어 주행 중 뒷 바퀴의 토우 각 변화 및 조향이 불가능한 문제점이 있었던 것이다.However, in the conventional torsion beam axle 1, the spindle bracket 20a on which the rear wheel is mounted is welded and fixed, so that the toe angle of the rear wheel is constrained so that the toe angle change and steering of the rear wheel during driving are impossible.

상기한 문제점으로 종래 토션 빔 액슬(1)은 제조 원가 절감에 유리한 구조물임에도 앞 바퀴 및 뒷 바퀴의 조향 및 토우 각 조절이 가능하여 능동형 현가 장치(Active Drive System)를 위한 4륜 조향(4 Wheel Steering ; 4WS) 시스템에 적용이 불가능한 것이다.Due to the above problems, the conventional torsion beam axle 1 is capable of steering and towing angle adjustment of the front and rear wheels, even though the structure is advantageous for manufacturing cost reduction, so that the four-wheel steering for the active drive system (4 Wheel Steering) is possible. 4WS) not applicable to the system.

따라서 능동형 현가 장치가 적용되는 차량의 제조 원가가 증대되었던 것이다. Therefore, the manufacturing cost of the vehicle to which the active suspension system is applied has increased.

본 발명의 목적은 트레일링 암에 장착되는 뒷 바퀴의 토우 각 조절이 가능하여 능동형 현가 장치를 위한 4륜 조향 (4 Wheel Steering ; 4WS) 시스템에 적용할 수 있는 자동차용 토션 빔 액슬을 제공하는 데 있다.SUMMARY OF THE INVENTION An object of the present invention is to provide a torsion beam axle for automobiles that can be applied to a four-wheel steering (4WS) system for an active suspension by enabling toe angle adjustment of a rear wheel mounted on a trailing arm. have.

이러한 본 발명의 목적은 차체를 가로 질러 설치되는 토션 빔과;The object of the present invention is a torsion beam installed across the vehicle body;

상기 토션 빔의 양 단부에 차체 길이 방향으로 배치되는 트레일링 암과;Trailing arms disposed at both ends of the torsion beam in a vehicle body length direction;

바퀴가 장착되며 장착된 바퀴를 조향할 수 있게 상기 트레일링 암에 회동 가능하게 장착되는 휠 관절부재를 포함한 자동차용 토션 빔 액슬을 제공함으로써 해결되는 것이다. It is solved by providing a torsion beam axle for an automobile including a wheel joint member that is wheel mounted and rotatably mounted to the trailing arm to steer the mounted wheel.

본 발명은 능동형 현가 장치를 위한 4륜 조향 (4 Wheel Steering ; 4WS) 시스템에 적용할 수 있어 능동형 현가 장치를 적용한 차량의 제조 원가를 절감하고, 차량의 상품성을 증대시키는 효과가 있는 것이다. The present invention can be applied to a 4 Wheel Steering (4WS) system for an active suspension system, which reduces the manufacturing cost of the vehicle to which the active suspension system is applied and increases the merchandise of the vehicle.

본 발명의 바람직한 실시 예를 첨부된 도면에 의하여 상세히 설명하면 다음과 같다.When described in detail with reference to the accompanying drawings a preferred embodiment of the present invention.

도 2는 본 발명인 자동차용 토션 빔 액슬을 도시한 사시도로서, 트레일링 암의 일 단부에 바퀴가 장착되는 휠 관절부재가 구비된 예를 나타내고 있다.FIG. 2 is a perspective view illustrating a torsion beam axle for a vehicle according to the present invention, and illustrates an example in which a wheel joint member in which a wheel is mounted is provided at one end of the trailing arm.

도 3은 본 발명인 자동차용 토션 빔 액슬의 요부 확대 사시도로서, 휠 관절부재의 상, 하부에 각각 트레일링 암에 연결되는 조인트부가 구비되어 트레일링 암에 장착된 예를 나타내고 있다.Figure 3 is an enlarged perspective view of the main portion of the torsion beam axle for automobiles of the present invention, the joint portion is connected to the trailing arm on the upper and lower portions of the wheel joint member is shown an example mounted on the trailing arm.

도 4는 도 3의 A-A'단면도로서, 휠 관절부재의 조인트부의 연결 구조를 나타내고 있다.4 is a cross-sectional view taken along line AA ′ of FIG. 3, illustrating a connection structure of the joint portion of the wheel joint member.

도 5는 본 발명의 작동 상태를 도시한 개략도로서, 휠 관절부재가 볼 조인트를 중심으로 회전하여 뒷 바퀴의 토우각이 조절되는 예를 나타내고 있다.Figure 5 is a schematic diagram showing the operating state of the present invention, the wheel joint member rotates about the ball joint shows an example where the toe angle of the rear wheel is adjusted.

이하, 도 2 내지 도 3에서 도시한 바와 같이 본 발명인 토션 빔 액슬(1)의 토션 빔(10)은 양 단에 차체의 양 측에 차체의 길이 방향으로 배치되어 양 측 뒷 바퀴(2)가 각각 장착되는 트레일링 암(20)이 장착되도록 차체를 가로지르는 빔 형상을 가지는 것이다.2 to 3, the torsion beam 10 of the torsion beam axle 1 of the present invention is disposed at both ends of the vehicle body at both ends in the longitudinal direction of the vehicle body so that both rear wheels 2 Each of the trailing arms 20 to be mounted has a beam shape that traverses the vehicle body.

또 상기 트레일링 암(20)은 일단에 바퀴(2)가 장착되는 휠 관절부재(30)가 구비되며, 타단에 차체에 연결되는 부시(21)가 구비된다.In addition, the trailing arm 20 is provided with a wheel joint member 30 to which the wheel 2 is mounted at one end thereof, and a bush 21 connected to the vehicle body at the other end thereof.

상기 휠 관절부재(30)는 뒷 바퀴(2)가 장착되는 바퀴 장착부(31)를 구비하며 일 측에 능동형 현가 장치에 연결되는 링크부(32)가 돌출된다.The wheel joint member 30 has a wheel mounting portion 31 on which the rear wheels 2 are mounted, and a link portion 32 connected to the active suspension device protrudes on one side thereof.

그리고 상기 휠 관절부재(30)는 상, 하부에 이격되게 구비되는 복수의 조인트부(40)로 상기 트레일링 암(20)에 회동 가능하게 연결되어 바퀴(2)의 조향 및 토우 각을 조절할 수 있게 하는 것이 바람직하다.In addition, the wheel joint member 30 is pivotally connected to the trailing arm 20 by a plurality of joint parts 40 provided on upper and lower parts so as to adjust steering and toe angles of the wheel 2. It is desirable to have.

상기 복수의 조인트부(40)는 휠 관절부재(30)의 상, 하부에 각각 구비되는 것을 기본으로 하며, 바퀴(2)에 걸리는 하중을 분산 지지함으로써, 연결부분의 내 구성을 증대시키고 토우 각 조절 시 작동이 원활하도록 하는 것이다.The plurality of joint parts 40 are based on the upper and lower parts of the wheel joint member 30, respectively, and by distributing and supporting the load applied to the wheels 2, the durability of the connection part is increased and the toe angle is increased. It is to make the operation smooth when adjusting.

또 상기 조인트부(40)는 트레일링 암(20)에 이격되게 돌출된 측면부를 구비하며 측면부 사이로 휠 관절부재(30)의 몸체가 개재되는 한 쌍의 조인트 브라켓트(41)와;In addition, the joint part 40 includes a pair of joint brackets 41 having a side part protruding from the trailing arm 20 and having a body of the wheel joint member 30 interposed between the side parts;

상기 휠 관절부재(30)의 몸체에 결합하여 장착되며 내부에 구름 운동하는 볼(42a)이 삽입된 볼 조인트(42)와;A ball joint 42 coupled to the body of the wheel joint member 30 and having a ball 42a inserted therein to move therein;

상기 볼 조인트(42)의 볼(42a)을 관통하여 결합하며 양 단부가 각각 상기 조인트 브라켓트(41)의 양 측면부에 각각 고정되는 고정 축(43)을 포함한다.It includes a fixing shaft 43 is coupled through the ball 42a of the ball joint 42 and both ends are respectively fixed to both side portions of the joint bracket 41.

즉, 상기 휠 관절부재(30)는 볼 조인트(42)의 볼(42a)을 중심으로 양 측 방향으로 회전되어 장착된 바퀴(2)의 토우 각을 조절할 수 있는 것이다.That is, the wheel joint member 30 may adjust the toe angle of the wheel 2 mounted to be rotated in both directions about the ball 42a of the ball joint 42.

한편, 상기 조인트 브라켓트(41)는 상, 하부에 상기 조인트부(40)가 결합하는 관통공이 형성되며, 트레일링 암(20)의 상, 하부에 각각 용접되어 장착되는 것으로 고장력 강판의 한 종류인 2상 조직강판(DP590;Dual Phase)으로 제조되는 것이 바람직하다.On the other hand, the joint bracket 41 is formed in the upper and lower through-holes to which the joint portion 40 is coupled, and is welded to and mounted on the upper and lower portions of the trailing arm 20, which is a kind of high tensile steel sheet. It is preferred to be made of a two-phase tissue steel sheet (DP590; Dual Phase).

상기 2상 조직강판은 두 개의 상이 공존하는 강판으로 본 발명에서는 페라이트상과 마르텐사이트 상이 공존하는 것을 사용하며, 상기한 2상 조직강은 마르텐사이트상에 인접하는 폐라이트 상의 입계에 인접하는 가동 전위에 의해 항복비가 낮아지게 된다.The two-phase structured steel sheet is a steel plate in which two phases coexist, and in the present invention, a ferrite phase and a martensite phase coexist, and the two-phase tissue steel has a movable potential adjacent to a grain boundary of a wasteite phase adjacent to the martensite phase. Yield ratio is lowered by.

이러한 이유로 2상 조직강판은 인하여 가공 시 탄성 회복량이 작아서 형상 돌결성이 우수하고, 연신이 커 가공 성 및 피로 내구성이 우수한데, 이러한 이상 조직 강판 중 인장강도 590Mpa급 소재를 이용하여 상기 조인트 브라켓트(41)를 제조함으로써 휠 관절부재(30)에 가해지는 하중을 견고하게 지지하고, 장기간 안정적으로 사용이 가능한 것이다.For this reason, the two-phase tissue steel sheet has excellent elasticity during processing due to its small amount of elastic recovery, and has excellent elongation and excellent workability and fatigue durability. Among the abnormal tissue steel sheets, the joint bracket ( 41) to firmly support the load applied to the wheel joint member 30, it is possible to use for a long time stable.

한편, 상기한 본 발명인 토션 빔 액슬(1)은 후륜 현가 장치에 적용되는 구조물로써, 휠 관절부재(30)의 일 측에 구비되는 링크부(32)에 앞 바퀴 및 뒷 바퀴의 토우 각을 조절하는 능동형 현가 장치가 연결되어 사용되는 것이다.On the other hand, the torsion beam axle 1 of the present invention is a structure applied to the rear wheel suspension device, and adjusts the toe angle of the front wheel and the rear wheel to the link portion 32 provided on one side of the wheel joint member 30. Active suspension device is used in connection.

상기 능동형 현가 장치는 각각의 바퀴를 유압 실린더의 피스톤 작동으로 완충시키는 것으로 자동차의 주행 시 자동차의 주행 상태, 즉, 노면 상태에 따른 차체 진동, 선회 및 제동 시 관성에 의한 진동 등을 각종 센서에 의해 감지하여 각 유압 실린더의 유압을 전자적으로 제어하는 것으로 이 외의 구성은 공지된 것으로 더 상세한 설명은 생략함을 밝혀둔다.The active suspension cushions each wheel by the operation of the piston of the hydraulic cylinder, and the driving state of the vehicle when the vehicle is driven, that is, the vibration of the vehicle body due to the road condition, the vibration due to inertia during turning and braking, etc. by various sensors. By sensing and electronically controlling the hydraulic pressure of each hydraulic cylinder, other configurations are well known and more detailed description will be omitted.

또 도 5에서 도시한 바와 같이 본 발명인 토션 빔 액슬(1)의 양 측에서 각각의 휠 관절부재(30)에 장착된 뒷 바퀴(2)는 휠 관절부재(30)의 회동에 의해 각각 조향이 가능하여 조향 및 토우 각 조절이 가능한 것이다.In addition, as shown in FIG. 5, the rear wheels 2 mounted on the respective wheel joint members 30 at both sides of the torsion beam axle 1 of the present invention are respectively steered by the rotation of the wheel joint members 30. It is possible to adjust the steering and toe angle.

따라서 본 발명인 토션 빔 액슬(1)은 양 측 뒷 바퀴(2)를 각각 선회시킬 수 있어 능동형 현가 장치를 위한 4륜 조향 시스템(4 Wheel Steering System)에 적용이 가능한 것이다. Accordingly, the torsion beam axle 1 of the present invention can pivot both rear wheels 2 so that the torsion beam axle 1 can be applied to a four wheel steering system for an active suspension system.

그리고 본 발명인 토션 빔 액슬(1)은 양 측 바퀴의 조향을 가능하게 하는 다른 독립 현가 장치에 사용되는 차축(멀티 링크, 듀얼 링크 등)보다 구조가 간단하여 4륜 조향 시스템에 적용되는 차량의 제조 원가를 절감할 수 있는 것이다.In addition, the torsion beam axle 1 of the present invention has a simpler structure than axles (multi-link, dual-link, etc.) used in other independent suspension devices that enable steering of both wheels, and thus is applied to a four-wheel steering system. The cost can be reduced.

본 발명은 상기한 실시 예에 한정되는 것이 아니라, 본 발명의 요지에 벗어나지 않는 범위에서 다양하게 변경하여 실시할 수 있으며 이는 본 발명의 구성에 포함됨을 밝혀둔다.The present invention is not limited to the above-described embodiments, and various changes can be made without departing from the gist of the present invention, which is understood to be included in the configuration of the present invention.

도 1은 종래 자동차용 토션 빔 액슬을 도시한 사시도1 is a perspective view showing a conventional torsion beam axle for a vehicle

도 2는 본 발명인 자동차용 토션 빔 액슬을 도시한 사시도Figure 2 is a perspective view of the torsion beam axle for the present inventors

도 3은 본 발명인 자동차용 토션 빔 액슬의 요부 확대 사시도Figure 3 is an enlarged perspective view of the main portion of the torsion beam axle for the present inventors

도 4는 도 3의 A-A'단면도4 is a cross-sectional view taken along the line A-A 'of FIG.

도 5는 본 발명의 작동 상태를 도시한 개략도5 is a schematic diagram showing an operating state of the present invention.

*도면 중 주요 부호에 대한 설명** Description of the major symbols in the drawings *

1 : 토션 빔 액슬 10 : 토션 빔1: torsion beam axle 10: torsion beam

20 : 트레일링 암 30 : 휠 관절부재20: trailing arm 30: wheel joint member

40 : 조인트부 41 : 조인트 브라켓트40: joint part 41: joint bracket

42 : 볼 조인트 43 : 고정 축42: ball joint 43: fixed shaft

Claims (6)

차체를 가로 질러 설치되는 토션 빔과;A torsion beam installed across the vehicle body; 상기 토션 빔의 양 단부에 차체 길이 방향으로 배치되는 트레일링 암과;Trailing arms disposed at both ends of the torsion beam in a vehicle body length direction; 바퀴가 장착되며 장착된 바퀴를 조향할 수 있게 상기 트레일링 암에 회동 가능하게 장착되는 휠 관절부재를 포함한 것을 특징으로 하는 자동차용 토션 빔 액슬.A torsion beam axle for a vehicle, comprising a wheel joint member mounted to the trailing arm to be wheeled and capable of steering the mounted wheel. 청구항 1에 있어서,The method according to claim 1, 상기 휠 관절부재는 일 측에 능동형 현가 장치에 연결되는 링크부가 돌출된 것을 특징으로 하는 자동차용 토션 빔 액슬.The wheel joint member is a torsion beam axle for a vehicle, characterized in that the protruding link portion connected to the active suspension on one side. 청구항 1에 있어서,The method according to claim 1, 상기 휠 관절부재는 상, 하부에 이격되게 구비되는 복수의 조인트부로 상기 트레일링 암에 회동 가능하게 연결되는 것을 특징으로 하는 자동차용 토션 빔 액슬.The wheel joint member is a torsion beam axle for a vehicle, characterized in that rotatably connected to the trailing arm by a plurality of joints provided on the bottom, spaced apart. 청구항 3에 있어서,The method according to claim 3, 상기 조인트부는 트레일링 암에 이격되게 돌출된 측면부를 구비하며 측면부 사이로 휠 관절부재의 몸체가 개재되는 한 쌍의 조인트 브라켓트와;The joint part includes a pair of joint brackets having a side part protruding from the trailing arm and interposing a body of the wheel joint member between the side parts; 상기 휠 관절부재의 몸체에 결합하여 장착되며 내부에 구름 운동하는 볼이 삽입된 볼 조인트와;A ball joint coupled to the body of the wheel joint member and having a ball inserted therein in a rolling motion; 상기 볼 조인트의 볼을 관통하여 결합하며 양 단부가 각각 상기 조인트 브라켓트에 각각 고정되는 고정 축을 포함한 것을 특징으로 하는 자동차용 토션 빔 액슬.A torsion beam axle for automobiles, comprising a fixed shaft coupled through the ball of the ball joint and fixed at both ends of the joint bracket, respectively. 청구항 4에 있어서,The method according to claim 4, 상기 조인트 브라켓트는 트레일링 암의 단부 상, 하부에 각각 용접되어 장착되고, 2상 조직강판으로 형성된 것을 특징으로 하는 자동차용 토션 빔 액슬.The joint bracket is welded and mounted on the lower end and the lower end of the trailing arm, respectively, characterized in that the torsion beam axle for a vehicle formed of a two-phase tissue steel sheet. 청구항 5에 있어서,The method according to claim 5, 상기 2상 조직강판은 페라이트상과 마르텐사이트 상이 공존하는 것을 특징으로 하는 자동차용 토션 빔 액슬.The two-phase tissue steel plate is a torsion beam axle for automobiles, characterized in that the ferrite phase and martensite phase coexist.
KR1020090015905A 2009-02-25 2009-02-25 Tortion Beam Axle for Vehicle KR101121898B1 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102350927A (en) * 2011-07-18 2012-02-15 奇瑞汽车股份有限公司 Automobile towing-arm mounting seat structure of independent suspension and production method thereof
KR101356179B1 (en) * 2011-11-23 2014-01-24 현대자동차주식회사 Rear wheel steering for vehicel with torsion beam axle
CN106828000A (en) * 2015-12-03 2017-06-13 北汽福田汽车股份有限公司 Torsion beam, torsion beam suspension and vehicle

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002012015A (en) * 2000-04-27 2002-01-15 Nissan Motor Co Ltd Suspension device
KR20030017668A (en) * 2001-08-21 2003-03-04 현대자동차주식회사 Rear suspension system for veicles

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102350927A (en) * 2011-07-18 2012-02-15 奇瑞汽车股份有限公司 Automobile towing-arm mounting seat structure of independent suspension and production method thereof
KR101356179B1 (en) * 2011-11-23 2014-01-24 현대자동차주식회사 Rear wheel steering for vehicel with torsion beam axle
CN106828000A (en) * 2015-12-03 2017-06-13 北汽福田汽车股份有限公司 Torsion beam, torsion beam suspension and vehicle

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