KR100452188B1 - The Module structure of a Trailing Arm in vehicle - Google Patents

The Module structure of a Trailing Arm in vehicle Download PDF

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Publication number
KR100452188B1
KR100452188B1 KR10-2002-0028163A KR20020028163A KR100452188B1 KR 100452188 B1 KR100452188 B1 KR 100452188B1 KR 20020028163 A KR20020028163 A KR 20020028163A KR 100452188 B1 KR100452188 B1 KR 100452188B1
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KR
South Korea
Prior art keywords
trailing arm
vehicle
bushing
coupled
longitudinal direction
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KR10-2002-0028163A
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Korean (ko)
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KR20030090162A (en
Inventor
조영건
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현대자동차주식회사
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Priority to KR10-2002-0028163A priority Critical patent/KR100452188B1/en
Publication of KR20030090162A publication Critical patent/KR20030090162A/en
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Publication of KR100452188B1 publication Critical patent/KR100452188B1/en

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    • 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
    • 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
    • B60G2204/43—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
    • B60G2206/10—Constructional features of arms
    • 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
    • B60G2206/8207—Joining by screwing

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

Abstract

본 발명은 차량의 후륜 현가장치를 이루는 트레일링 암(100)이 종방향으로 탄력적인 특성을 가질 수 있도록 형성하여 차량의 승차감을 향상하도록 함에 그 목적이 있다.An object of the present invention is to improve the riding comfort of the vehicle by forming the trailing arm 100 constituting the rear wheel suspension of the vehicle to have a flexible characteristic in the longitudinal direction.

이와 같은 목적을 달성하기 위한 본 발명은, 너클(20)과 볼트 결합된 트레일링 암(100)이 횡방향(Y)의 벤딩변형이 가능한 플레이트(100b)와 리어액슬(40)에 장착할 수 있도록 된 마운팅부(100c)로 구성되되, 상기 마운팅부(100c)의 반대쪽 일단의 부싱(100a)을 매개로 결합되면서 타단이 부싱(200a)을 매개로 차체에 장착되는 제1부재(200)가 구비된 것을 특징으로 한다.In order to achieve the above object, the present invention can mount the trailing arm 100 coupled with the knuckle 20 to the plate 100b and the rear axle 40 capable of bending deformation in the lateral direction (Y). The first member 200, which is configured as a mounting part 100c, is coupled to the vehicle body via the bushing 200a while the other end is coupled via the bushing 100a of the opposite end of the mounting part 100c. Characterized in that provided.

Description

차량의 후륜 트레일링 암 구조{The Module structure of a Trailing Arm in vehicle}The Module structure of a Trailing Arm in vehicle

본 발명은 주행중인 차량의 차륜에 노면으로부터 전해지는 충격을 차체에 직접 전달되지 않도록 완충하고 진동을 흡수하여 차량의 승차감을 좋게하는 현가장치에 관한 것으로, 보다 상세하게는 차량의 후륜 현가장치에 구성되는 트레일링 암의 구조에 관한 것이다.The present invention relates to a suspension device that cushions shocks transmitted from a road surface to a vehicle's wheels so as not to be directly transmitted to the vehicle body and absorbs vibrations to improve ride comfort of the vehicle, and more particularly, to a rear suspension of a vehicle. It relates to the structure of the trailing arm being.

일반적으로 차량의 현가장치는 차축현가식과 독립현가식이 있으며, 차량의 설치위치에 따라 앞 현가장치와 뒤 현가장치 나누어지는데 뒤 현가장치는 좌우의 차륜이 1개의 차축으로 연결된 차축 현가형식을 많이 사용하고 있으나 승용차량에서는 승차감과 안전성을 높이기 위해 독립현가식의 트레일링 암형(Trailing Arm)을 주로 사용하고 있다.Generally, the suspension system of the vehicle has axle suspension and independent suspension type, and according to the installation position of the vehicle, the front suspension system and the rear suspension system are divided. The rear suspension system uses many axle suspension types in which left and right wheels are connected to one axle. However, passenger cars mainly use independent suspension trailing arms to enhance ride comfort and safety.

상기의 트레일링 암형은 도 1에 도시된 바와 같이, 트레일링 암(100)은 너클(20)과 트레일링 암(100)을 볼트로 마운팅하며, 트레일링 암(100)의 부싱(100a)을 통해 차체에 마운팅한다.As shown in FIG. 1, the trailing arm 100 bolts the knuckle 20 and the trailing arm 100 to the bushing 100a of the trailing arm 100. To the body.

이러한 트레일링 암은 차체에 장착하도록 구비된 부싱(100a)과 횡방향(Y)의 충격에 따라 벤딩변형이 가능한 플레이트(100b) 그리고 리어액슬(40)에 장착할 수 있도록 된 마운팅부(100c)로 구성되어 구조가 간단하고 휠 얼라인먼트의 변화나 타이어의 마모가 적은 장점이 있으며 전륜구동 차량의 뒤 현가장치로 많이 사용된다.The trailing arm is mounted to the bushing 100a provided to be mounted to the vehicle body and the mounting portion 100c which can be mounted on the plate 100b and the rear axle 40 which are capable of bending deformation according to the impact in the transverse direction Y. It is composed of simple structure, less wheel alignment change and less tire wear, and it is widely used as rear suspension of front wheel drive vehicle.

그러나, 이와 같은 트레일링 암을 이용한 현가장치는 트레일링 암이 현가장치를 지나치게 구속하게 되기 때문에 차륜이 뒤로 밀리는 양이 적게되어 현가장치의 종방향(X) 강성이 큰 특징을 가지고 있으므로 현가장치의 자유도가 0이 되고, 차륜의 움직임은 부싱의 변형을 통해서만 가능하도록 형성된 구조적인 관계를 갖게되는 단점이 있게된다.However, the suspension system using the trailing arm has a characteristic that the longitudinal direction (X) stiffness of the suspension system is large because the trailing arm excessively restrains the suspension, so that the amount of wheel push back is small. There is a disadvantage that the degree of freedom is zero, and the wheel movement has a structural relationship that is formed only through deformation of the bushing.

따라서, 둔턱 통과와 같은 돌기물 통과시에 차륜이 뒤로 밀리는 특성이 크지 않기 때문에 차륜의 종방향으로 충격이 가해질 때 트레일링 암의 충격흡수 및 변형정도가 적게되므로 승차감이 좋지 않게 되는 문제가 있다.Therefore, since the wheel is not pushed back when passing through a projection such as a barrier, there is a problem that the riding comfort is not good because the impact absorption and deformation of the trailing arm are reduced when the impact is applied in the longitudinal direction of the wheel.

이에 본 발명은 상기와 같은 문제점을 해결하기 위하여 발명된 것으로서, 차량의 후륜 현가장치의 트레일링 암의 구조를 종방향으로 탄력적인 특성을 가질 수 있도록 형성하여 차량의 승차감을 향상하도록 함에 그 목적이 있다.Accordingly, the present invention has been invented to solve the above problems, and the object of the present invention is to improve the riding comfort of the vehicle by forming the trailing arm structure of the rear suspension of the vehicle to have elastic characteristics in the longitudinal direction. have.

이와 같은 목적을 달성하기 위한 본 발명은, 너클(20)과 볼트 결합된 트레일링 암(100)이 횡방향(Y)의 벤딩변형이 가능한 플레이트(100b)와 리어액슬(40)에 장착할 수 있도록 된 마운팅부(100c)로 구성되되, 상기 마운팅부(100c)의 반대쪽 일단의 부싱(100a)을 매개로 결합되면서 타단이 부싱(200a)을 매개로 차체에 장착되는 제1부재(200)가 구비된 것을 특징으로 한다.In order to achieve the above object, the present invention can mount the trailing arm 100 coupled with the knuckle 20 to the plate 100b and the rear axle 40 capable of bending deformation in the lateral direction (Y). The first member 200, which is configured as a mounting part 100c, is coupled to the vehicle body via the bushing 200a while the other end is coupled via the bushing 100a of the opposite end of the mounting part 100c. Characterized in that provided.

도 1은 일반적인 차량의 후륜 트레일링 암이 장착된 사시도1 is a perspective view of the rear wheel trailing arm mounted in a typical vehicle

도 2은 도 1의 트레일링 암의 확대사시도2 is an enlarged perspective view of the trailing arm of FIG.

도 3는 도 본 발명에 따른 트레일링 암의 사시도3 is a perspective view of the trailing arm according to the invention

도 4는 도 3에 따른 트레일링 암의 작용 상태도4 is an operational state diagram of the trailing arm according to FIG.

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

10 : 차륜 20 : 너클10: wheel 20: knuckle

30 : 쇽 업소버 40 : 리어액슬30: shock absorber 40: rear axle

100 : 트레일링 암 100a,200a : 부싱100: trailing arm 100a, 200a: bushing

100b : 플레이트 100c : 마운팅부100b: plate 100c: mounting portion

200 : 제1부재 200b : 패널200: first member 200b: panel

200c : 체결부 A : 회전 모멘트200c: fastening part A: rotation moment

X : 후방향 Y : 횡방향X: rearward Y: transverse

Z : 수직방향.Z: Vertical direction.

이하 본 발명을 첨부된 도면을 참조로 상세히 설명한다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

도 3에 도시된 바와 같이, 본 발명은 자동차의 뒤 현가장치를 이루는 트레일링 암(100)에 관한 것으로, 너클(20)과 볼트 결합된 트레일링 암(100)의 부싱(100a)에 제1부재(200)를 결합하고 제1부재의 부싱(200a)을 통해 차체에 장착되도록 하여 "ㄴ"자 형상으로 꺽어진 모양을 이루도록 구성한다.As shown in FIG. 3, the present invention relates to a trailing arm 100 constituting a rear suspension of an automobile, and includes a first bushing 100a of a trailing arm 100 bolted to a knuckle 20. Combining the member 200 and to be mounted to the vehicle body through the bushing (200a) of the first member is configured to form a shape bent in the "b" shape.

즉, 상기의 트레일링 암(100)은 제1부재(200)와 체결할 수 있도록 된 부싱(100a)과 횡방향(Y)의 벤딩변형이 가능한 플레이트(100b) 그리고 리어액슬(40)에 장착할 수 있도록 된 마운팅부(100c)로 구성됨은 물론이다.That is, the trailing arm 100 is mounted on the bushing 100a which can be fastened with the first member 200, the plate 100b capable of bending deformation in the transverse direction Y, and the rear axle 40. Of course, it is composed of a mounting portion (100c) that can be.

또한, 제1부재(200)는 차체에 결합할 수 있도록 된 부싱(200a)과 종방향(X)의 벤딩변형이 가능한 패널(200b) 그리고 트레일링 암(100)의 부싱(100a)을 관통하여 결합할 수 있도록 이루어진 체결부(200c)로 구성되어 트레일링 암(100)의 부싱(100a)에 수직 결합됨은 물론이다.In addition, the first member 200 penetrates through the bushing 200a which can be coupled to the vehicle body, the panel 200b capable of bending deformation in the longitudinal direction X, and the bushing 100a of the trailing arm 100. Composed of a fastening portion (200c) made to be coupled is of course vertically coupled to the bushing (100a) of the trailing arm (100).

여기서, 상기 제1부재의 패널(200b)은 휨 탄성을 갖는 탄력적인 재질로 이루어짐은 물론이다.Here, the panel 200b of the first member is made of an elastic material having bending elasticity.

한편, 도 4는 도 3의 구성에 따른 본 발명의 트레일링 암(100)과 제1부재(200)의 결합된 측면 개략도를 나타낸 것으로써, 차체와 결합하는 부싱(200a)을 중심점으로 회전 모멘트(A)가 발생되는 현상을 도시한 것이다.On the other hand, Figure 4 is a schematic side view of the trailing arm 100 and the first member 200 of the present invention according to the configuration of Figure 3, the moment of rotation about the center point of the bushing (200a) coupled to the vehicle body The phenomenon which (A) occurs is shown.

미설명 도면부호 X는 종방향, Y는 횡방향, Z는 수직방향을 나타낸다.Reference numeral X denotes a longitudinal direction, Y denotes a transverse direction, and Z denotes a vertical direction.

이하 본발명의 작동을 첨부된 도면을 참고로 상세히 설명한다.Hereinafter, the operation of the present invention will be described in detail with reference to the accompanying drawings.

상기 트레일링 암(100)은 제1부재(200)와 하나의 어셈블리를 이루고 있으면서 종방향(X)의 충격에는 제1부재(200)만 벤딩변형하게 형성되고 횡방향(Y)의 충격에는 트레일링 암(100)이 벤딩변형하게 형성되는 구조를 갖게되므로 각각 독립적인 벤딩변형을 통해 효율적인 충격흡수 및 완충작용을 하도록 된다.The trailing arm 100 forms one assembly with the first member 200 and is formed to bend and deform only the first member 200 in the impact in the longitudinal direction X, and the trail in the impact in the lateral direction Y. Since the ring arm 100 has a structure that is formed to bend deformation, it is effective to absorb and buffer effectively through independent bending deformations.

즉, 종방향으로 탄력적인 휨 특성을 가질 수 있도록 트레일링 암(100)의 부싱(100a)에 제1부재를 결합하여 "ㄴ"자 형상을 이루도록 함으로써 플레이트(100b)의 횡방향(Y) 충격에 따른 탄력적인 벤딩변형으로 충격흡수 및 완화뿐만 아니라 수직으로 붙여진 제1부재(200)의 패널(200b) 역시 종방향(X)의 탄력적인 벤딩변형이 가능하게 되므로 종방향(X)에서 가해지는 충격을 완화 및 흡수하여 승차감을 향상시켜 주게된다.That is, the transverse direction (Y) impact of the plate (100b) by coupling the first member to the bushing (100a) of the trailing arm (100) to form a "b" shaped to have a flexible bending characteristics in the longitudinal direction In addition to the shock absorbing and mitigation by the elastic bending deformation according to the vertically pasted panel 200b of the first member 200 is also applied in the longitudinal direction (X) because the elastic bending deformation in the longitudinal direction (X) is possible By cushioning and absorbing shock, it will improve the ride comfort.

또한, 차륜의 전방에서 종방향(X)으로 충격을 받게되면 제1부재(200)의 부싱(200a)을 중심축으로하는 회전 모멘트(A)가 작용하게 되므로 부싱(100a)을 매개로하는 회전변형을 이끌어 낼 수 있으므로 트레일링 암(100)이 종방향(X)으로 밀리면서 변형하게 되어 더욱 탄력적인 충격흡수 및 완충효과를 얻게된다.In addition, when the impact in the longitudinal direction (X) in front of the wheel is a rotation moment (A) centering on the bushing (200a) of the first member (200) acts to rotate through the bushing (100a) Deformation can be induced, so the trailing arm 100 deforms while pushing in the longitudinal direction (X), thereby obtaining a more elastic shock absorbing and cushioning effect.

이와 같이 본 발명은, 차륜에 가해지는 외력에 의해 트레일링 암(100)의 부싱(100a)을 매개로 제1부재와 결합된 상태에서 종방향(X)으로 밀려나가는 길이가 대폭 확대되는 특성을 갖게되는 것이다.As described above, the present invention provides a characteristic in which the length pushed in the longitudinal direction X in the state coupled with the first member through the bushing 100a of the trailing arm 100 by the external force applied to the wheel is greatly expanded. Will have.

이상 설명한 바와 같이, 트레일링 암 부싱의 중심점을 기준으로 종방향 충격에 따라 대응할 수 있도록 된 탄력적인 탄성의 제1부재가 장착되는 구조를 이루도록 형성하여 차륜의 종방향에서 가해지는 충격을 흡수 및 완충할 수 있게 됨에 따라 경직된 현가장치를 보다 탄력적인 현가장치로 그 특성을 개선하는 효과가 있게 된다.As described above, the shock absorbing and cushioning in the longitudinal direction of the wheel is absorbed and formed to form a structure in which a resilient first member is mounted so as to cope with the longitudinal impact based on the center point of the trailing arm bushing. As it becomes possible to have the effect of improving the characteristics of the rigid suspension to a more flexible suspension.

Claims (1)

일단이 차축에 장착되도록 마운팅부(100c)를 형성하면서 타단에 부싱(100a)을 구비하되, 이 부싱(100a)에는 차체에 장착되는 제1부재(200)가 결합되어, 차륜에 가해지는 외력에 대해 각각 독립된 벤딩변형 및 회전 모멘트(A) 기능을 갖추며 충격흡수 및 완충작용을 할 수 있도록 된 차량의 후륜 트레일링 암의 구조.Bushing (100a) is provided at the other end while forming a mounting portion (100c) so that one end is mounted to the axle, the first member (200) mounted to the vehicle body is coupled to the bushing (100a), the external force applied to the wheel The structure of the rear trailing arm of the vehicle, which has independent bending deformation and rotation moment (A) functions, and is capable of absorbing shock and cushioning.
KR10-2002-0028163A 2002-05-21 2002-05-21 The Module structure of a Trailing Arm in vehicle KR100452188B1 (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6029309A (en) * 1983-07-27 1985-02-14 Mazda Motor Corp Rear suspension system for automobile
JPH01278812A (en) * 1988-05-02 1989-11-09 Mazda Motor Corp Vehicle suspension device
WO1997002189A1 (en) * 1995-07-01 1997-01-23 Creanova Ag Spring-effect hinge arrangement, for example for one-piece injected plastic closures
KR19990020428A (en) * 1997-08-30 1999-03-25 정몽규 Rear suspension of car

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6029309A (en) * 1983-07-27 1985-02-14 Mazda Motor Corp Rear suspension system for automobile
JPH01278812A (en) * 1988-05-02 1989-11-09 Mazda Motor Corp Vehicle suspension device
WO1997002189A1 (en) * 1995-07-01 1997-01-23 Creanova Ag Spring-effect hinge arrangement, for example for one-piece injected plastic closures
KR19990020428A (en) * 1997-08-30 1999-03-25 정몽규 Rear suspension of car

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