KR20040099784A - Link type wishbone suspension for vehicles - Google Patents

Link type wishbone suspension for vehicles Download PDF

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Publication number
KR20040099784A
KR20040099784A KR1020030031887A KR20030031887A KR20040099784A KR 20040099784 A KR20040099784 A KR 20040099784A KR 1020030031887 A KR1020030031887 A KR 1020030031887A KR 20030031887 A KR20030031887 A KR 20030031887A KR 20040099784 A KR20040099784 A KR 20040099784A
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KR
South Korea
Prior art keywords
fastened
arm
vehicle
link
knuckle
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Application number
KR1020030031887A
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Korean (ko)
Inventor
최재석
Original Assignee
현대모비스 주식회사
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Priority to KR1020030031887A priority Critical patent/KR20040099784A/en
Publication of KR20040099784A publication Critical patent/KR20040099784A/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G3/00—Resilient suspensions for a single wheel
    • B60G3/18—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram
    • B60G3/20—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram all arms being rigid
    • 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
    • B60G2206/10—Constructional features of arms
    • B60G2206/124—Constructional features of arms the arm having triangular or Y-shape, e.g. wishbone

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

Abstract

PURPOSE: A link-type wishbone suspension is provided to reduce the weight of vehicle and to improve passenger's riding comfort and the quality of a vehicle, by applying two links to an upper arm and a lower arm. CONSTITUTION: A link-type wishbone suspension comprises an upper arm(100) and a lower arm(200). One side of the upper arm is fastened to the upper side of a knuckle(300) and the other side comprises tow upper links(110) fastened to a vehicle body. One side of the lower arm is fastened to the lower side of the knuckle and the other side comprises two lower links(210) fastened to the vehicle body. The upper and lower links of the upper and lower arms are formed as round bars having uniform diameter. The upper and lower links are fastened to the knuckle via ball joints(400).

Description

차량의 링크타입 위시본형 현가장치 {Link type wishbone suspension for vehicles}Link type wishbone suspension for vehicles}

본 발명은 차량의 링크타입 위시본형 현가장치에 관한 것으로서 특히, 차량의 전륜에 적용되는 위시본형 현가장치를 개선하여 어퍼암과 로어암에 단순 인장과압축만이 작용하도록 각각 두 개의 링크를 적용함으로써 차량의 중량을 저감시키는 동시에 승차감을 향상시키기 위한 장치로써, 단순 인장과 압축만이 작용하게 되어 단면적을 감소시켜 차량의 중량을 저감시킬 수 있는 동시에, 탑승객의 승차감과 차량의 상품성을 향상시킬 수 있는 장치에 관한 것이다.The present invention relates to a link type wishbone suspension of a vehicle, and in particular, by applying two links to the upper arm and the lower arm so that only simple tension and compression act on the upper wheel and the lower arm, respectively. As a device for reducing the weight of the vehicle and at the same time improving the riding comfort, only simple tension and compression can be applied to reduce the weight of the vehicle by reducing the cross-sectional area, and at the same time, improving the ride comfort of the passengers and the merchandise of the vehicle. Relates to a device.

일반적으로 차량의 현가장치는 서스펜션을 지칭하며, 차체와 차륜을 연결하는 장치로서 노면으로부터 차륜으로 전달된 충격을 흡수하여 차체에 전달하게 되는 것으로, 조종안정성을 확보하는 동시에 양호한 핸들링 특성을 살리고, 운전자의 안락한 승차감을 극대화하는 것을 주된 목적으로 하여 다양한 형태의 현가장치가 연구개발 및 적용되고 있는 실정이다.In general, the suspension of a vehicle refers to a suspension, and is a device that connects the vehicle body and the wheels and absorbs the shock transmitted from the road surface to the vehicle body, and delivers it to the vehicle body, ensuring steering stability and utilizing good handling characteristics. Various types of suspension systems have been researched and developed for the main purpose of maximizing comfortable ride comfort.

이러한 차량의 현가장치는 크게 충격을 흡수하는 스프링, 스프링의 작동을 조정하는 쇽업저버, 바퀴의 작동을 제어하는 암이나 링크 등으로 이루어진다.Suspension of such a vehicle is composed of a shock absorbing spring, a shock absorber for adjusting the operation of the spring, an arm or a link for controlling the operation of the wheel.

도 1은 종래의 차량의 위시본형 현가장치를 도시하는 사시도이다.1 is a perspective view showing a wishbone suspension of a conventional vehicle.

종래의 차량의 위시본형 현가장치는 도 1에 도시된 바와 같이, 일측이 너클(30)의 상측에 체결되고 타측이 양단으로 분리되어 차체에 체결된 어퍼암(10)과; 일측이 너클(30)의 하측에 체결되고 타측이 양단으로 분리되어 차체에 체결된 로어암(20)으로 구성된다.Wishbone suspension of the conventional vehicle, as shown in Figure 1, the upper arm 10 is fastened to the vehicle body, one side is fastened to the upper side of the knuckle 30 and the other side is separated at both ends; One side is fastened to the lower side of the knuckle 30 and the other side is divided into both ends is composed of a lower arm 20 is fastened to the vehicle body.

이때, 상기 어퍼암(10)과 로어암(20)은 차체에 마운팅부시(50)를 통하여 힌지 체결되어 있으며, 상기 로어암(20)에는 차체에 일측이 고정된 코일스프링(미도시)과 쇽업저버(미도시)의 타측이 체결될 수 있다.In this case, the upper arm 10 and the lower arm 20 are hinged to the vehicle body via a mounting bush 50, and the lower arm 20 has a coil spring (not shown) fixed to one side of the vehicle body. The other side of the absorber (not shown) may be fastened.

상기와 같은 구성된 종래의 차량의 위시본형 현가장치는 도 1에 도시된 바와같이, 너클(30)에 차륜이 회전 가능하도록 지지되어 있어, 차량 주행중 차륜으로부터 상하방향의 충격이 전달되면, 너클(30)의 위치가 상하로 이동하게 되면서, 상기 너클(30)에 연결된 어퍼암(10) 및 로어암(20)이 차체측에 체결된 마운팅부시(50)를 중심으로 일정각도 상하로 회동하게 되며, 이와 동시에, 상기 로어암(20)에 체결된 코일스프링과 쇽업저버도 함께 수축 또는 신장하면서 차륜으로부터 차체로 전달되는 충격을 완화시키게 되는 것이다.As shown in FIG. 1, the wishbone suspension of the conventional vehicle configured as described above is supported by the knuckle 30 so as to be rotatable, and when the up and down shock is transmitted from the wheel while driving the vehicle, the knuckle 30 ) Is moved up and down, the upper arm 10 and the lower arm 20 connected to the knuckle 30 is rotated up and down a predetermined angle around the mounting bush 50 is fastened to the vehicle body side, At the same time, while the coil spring and the shock absorber coupled to the lower arm 20 contract or expand together, the shock transmitted from the wheel to the vehicle body is alleviated.

그러나, 종래의 차량의 위시본형 현가장치는 어퍼암과 로어암의 형상이 대략 'A'자 형태를 이루고 있어 중량이 무겁기 때문에 승차감이 저하된다는 기술상의 문제점이 있었다.However, the wishbone suspension of the conventional vehicle has a technical problem that the shape of the upper arm and the lower arm is approximately 'A' shape, and thus the riding comfort is reduced because the weight is heavy.

본 발명은 상기의 문제점을 해소하기 위한 것으로, 차량의 위시본형 현가장치에 어퍼암과 로어암에 각각 두 개의 링크를 적용함으로써, 단순 인장과 압축만이 작용하게 되어 단면적을 감소시켜 차량의 중량을 저감시킬 수 있는 동시에, 탑승객의 승차감과 차량의 상품성을 향상시킬 수 있도록 하는 차량의 링크타입 위시본형 현가장치를 제공하고자 한다.The present invention is to solve the above problems, by applying two links to the upper arm and the lower arm to the wishbone suspension of the vehicle, respectively, only simple tension and compression acts to reduce the cross-sectional area to reduce the weight of the vehicle The present invention provides a link type wishbone suspension of a vehicle that can reduce the number of passengers and improve the ride comfort of the passengers and the merchandise of the vehicle.

이러한 본 발명은 일측이 너클의 상측에 체결되고 타측이 차체에 체결된 두 개의 상부링크로 이루어진 어퍼암과; 일측이 너클의 하측에 체결되고 타측이 차체에 체결된 두 개의 하부링크로 이루어진 로어암으로 구성함으로써 달성된다.This invention comprises an upper arm consisting of two upper links, one side of which is fastened to the upper side of the knuckle and the other side of which is fastened to the vehicle body; It is achieved by configuring a lower arm composed of two lower links, one of which is fastened to the lower side of the knuckle and the other of which is fastened to the vehicle body.

도 1은 종래의 차량의 위시본형 현가장치를 도시하는 사시도,1 is a perspective view showing a wishbone suspension of a conventional vehicle,

도 2는 본 발명의 차량의 링크타입 위시본형 현가장치를 도시하는 사시도.Figure 2 is a perspective view showing a link type wishbone suspension of the vehicle of the present invention.

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

100 : 어퍼암 110 : 상부링크100: upper arm 110: upper link

200 : 로어암 210 : 하부링크200: lower arm 210: lower link

300 : 너클 400 : 볼조인트300: knuckle 400: ball joint

500 : 마운팅부시500: mounting bush

본 발명의 실시예를 첨부 도면을 참조하여 상세히 설명하면 다음과 같다.An embodiment of the present invention will be described in detail with reference to the accompanying drawings.

도 2는 본 발명의 차량의 링크타입 위시본형 현가장치를 도시하는 사시도이다.Figure 2 is a perspective view showing a link type wishbone suspension of the vehicle of the present invention.

본 발명의 차량의 링크타입 위시본형 현가장치는 도 2에 도시된 바와 같이, 일측이 너클(300)의 상측에 체결되고 타측이 차체에 체결된 두 개의 상부링크(110)로 이루어진 어퍼암(100)과; 일측이 너클(300)의 하측에 체결되고 타측이 차체에 체결된 두 개의 하부링크(210)로 이루어진 로어암(200)으로 구성되는 것을 그 기술상의 기본 특징으로 한다.Link type wishbone suspension of the vehicle of the present invention, as shown in Figure 2, the upper arm 100 consisting of two upper links 110, one side is fastened to the upper side of the knuckle 300 and the other side is fastened to the vehicle body )and; One side is fastened to the lower side of the knuckle 300 and the other side is composed of a lower arm 200 consisting of two lower links 210 fastened to the vehicle body as a basic technical feature.

이때, 상기 어퍼암(100) 및 로어암(200)의 상부링크(110) 및 하부링크(210)는 직경이 균일한 환봉으로 이루어질 수 있으며, 상기 상부링크(110) 및 하부링크(210)는 너클(300)에 볼조인트(400)를 통하여 체결될 수 있다.At this time, the upper link 110 and the lower link 210 of the upper arm 100 and the lower arm 200 may be made of a round bar of uniform diameter, the upper link 110 and the lower link 210 The knuckle 300 may be fastened through the ball joint 400.

또한, 상기 어퍼암(100)의 상부링크(110) 및 로어암(200)의 하부링크(210)는 차체를 중심으로 상하 회동 가능하도록 마운팅부시(500)를 통하여 각각 힌지 체결되어 있다.In addition, the upper link 110 of the upper arm 100 and the lower link 210 of the lower arm 200 are hinged through mounting bushing 500 so as to be able to rotate up and down about the vehicle body.

이하, 도 2를 참조하여 본 발명의 작용을 설명하면 다음과 같다.Hereinafter, the operation of the present invention with reference to Figure 2 as follows.

상기와 같이 구성된 본 발명의 차량의 링크타입 위시본형 현가장치는 도 2에 도시된 바와 같이, 어퍼암(100)을 형성하는 두 개의 상부링크(110)와 로어암(200)을 형성하는 두 개의 하부링크(210) 일측이 차체측에 마운팅부시(500)를 통하여 일정각도 상하로 회동 가능하도록 체결되어 있는 동시에, 상기 어퍼암(100)의 상부링크(110) 및 상기 로어암(200)의 하부링크(210) 타측은 너클(300)의 상측과 하측에 각각 볼조인트(400)를 통하여 체결되어 있다.As shown in FIG. 2, the link type wishbone suspension of the vehicle of the present invention configured as described above has two upper links 110 and two lower arms 200 forming the upper arm 100. One side of the lower link 210 is fastened up and down at an angle through the mounting bush 500 on the vehicle body side, and the upper link 110 of the upper arm 100 and the lower portion of the lower arm 200. The other side of the link 210 is fastened through the ball joint 400 to the upper side and the lower side of the knuckle 300, respectively.

이때, 상기 볼조인트(400)는 세 개의 각기 다른 체결부위, 즉 두 개의 상부링크(110) 또는 하부링크(210)와 너클(300)의 상측 혹은 하측을 동시에 체결 가능한 동시에, 이러한 세 개의 체결부위를 동시에 상하 유동 가능하도록 연결하게 되는 것이다.At this time, the ball joint 400 is capable of simultaneously fastening the upper or lower sides of the three different fastening parts, that is, the two upper links 110 or lower links 210 and the knuckle 300, these three fastening parts Will be connected to be able to flow up and down at the same time.

즉, 도 2에 도시된 바와 같이, 상기 너클(300)의 상측에 마련된 볼조인트(400)는 두 개의 상부링크(110)와 너클(300)을 연결하게 되며, 상기 너클(300)의 하측에 마련된 볼조인트(400)는 두 개의 하부링크(210)와 너클(300)을 연결하게 됨으로써, 상기 볼조인트(400)는 상기 너클(300)의 상하 유동에 따라 상기 상부링크(110)와 하부링크(210)가 마운팅부시(500)를 중심으로 동시에 상하 회동 가능하도록 연결시키게 되는 것이다.That is, as shown in Figure 2, the ball joint 400 provided on the upper side of the knuckle 300 is connected to the two upper links 110 and knuckle 300, the lower side of the knuckle 300 The ball joint 400 is connected to the two lower links 210 and the knuckle 300, the ball joint 400 is the upper link 110 and the lower link in accordance with the vertical flow of the knuckle 300 The 210 is to be connected to the upper and lower pivots at the same time around the mounting bush (500).

또한, 상기 너클(300)에는 차륜이 회전 가능하도록 지지되어 있어, 차량 주행중 차륜으로부터 상기 너클(300)로 상하방향의 충격이 전달되면, 이에 따라, 너클(300)의 위치가 상하로 이동하게 되면서, 상기 너클(300)에 연결된 상기 어퍼암(100)의 두 상부링크(110) 및 상기 로어암(200)의 두 하부링크(210)가 차체측에 체결된 마운팅부시(500)를 중심으로 일정각도 상하로 회동하게 된다.In addition, the knuckle 300 is supported so that the wheel is rotatable, when the up-down impact is transmitted from the wheel to the knuckle 300 while the vehicle is running, accordingly, the position of the knuckle 300 is moved up and down In addition, the two upper links 110 of the upper arm 100 connected to the knuckle 300 and two lower links 210 of the lower arm 200 are fixed around the mounting bush 500 fastened to the vehicle body side. It rotates up and down angle.

즉, 차량 주행중 차륜으로부터 상기 너클(300)로 충격이 전달되면, 너클(300)의 위치가 상하로 이동하게 되면서, 상기 너클(300)에 연결된 어퍼암(100)의 상부링크(110) 및 로어암(200)의 하부링크(210)에는 단순하게 인장하중 또는 압축하중 만이 작용하게 되는 것이다.That is, when an impact is transmitted from the wheel to the knuckle 300 while driving the vehicle, the position of the knuckle 300 moves up and down, and the upper link 110 and the lower of the upper arm 100 connected to the knuckle 300 The lower link 210 of the arm 200 simply acts as a tensile load or a compressive load.

따라서, 본 발명의 차량의 링크타입 위시본형 현가장치는 종래의 차량의 위시본형 현가장치에 대략 'A'자 형태를 이루게 되어 중량이 무거운 어퍼암(10)과 로어암(20)이 적용되던 것을 개선하여, 단순한 환봉 형태의 상부링크(110) 및 하부링크(210)를 통하여 어퍼암(100)과 로어암(200)을 형성하게 됨으로써, 상기 어퍼암(100)의 상부링크(110)와 로어암(200)의 하부링크(210)에 단순히 인장하중과 압축하중 만이 작용하게 되어, 차량의 서스펜션에 작은 단면적을 갖는 환봉으로 대체 가능하기 때문에, 차량의 자중을 저감시켜 승차감을 향상시킬 수 있다는 이점이 있는 것이다.Therefore, the link type wishbone suspension of the vehicle of the present invention forms an approximately 'A' shape to the wishbone suspension of the conventional vehicle, so that the heavy arm upper arm 10 and the lower arm 20 are applied. By improving, the upper arm 110 and the lower arm 200 are formed through the upper link 110 and the lower link 210 in the form of a simple rod, thereby forming the upper link 110 and the lower of the upper arm 100. Since only the tensile load and the compressive load act on the lower link 210 of the arm 200, and can be replaced by a round bar having a small cross-sectional area in the suspension of the vehicle, the vehicle's own weight can be reduced to improve riding comfort. Is there.

이상과 같은 본 발명은 차량의 위시본형 현가장치에 어퍼암과 로어암에 각각 두 개의 링크를 적용함으로써, 단순 인장과 압축만이 작용하게 되어 단면적을 감소시켜 차량의 중량을 저감시킬 수 있는 동시에, 탑승객의 승차감과 차량의 상품성을 향상시킬 수 있는 발명인 것이다.In the present invention as described above, by applying two links to the upper arm and the lower arm to the wishbone suspension of the vehicle, respectively, only simple tension and compression can be applied to reduce the weight of the vehicle by reducing the cross-sectional area, It is an invention that can improve the ride comfort of the passengers and the merchandise of the vehicle.

Claims (3)

일측이 너클의 상측에 체결되고 타측이 차체에 체결된 두 개의 상부링크로 이루어진 어퍼암과;An upper arm formed of two upper links, one of which is fastened to an upper side of the knuckle and the other of which is fastened to the vehicle body; 일측이 너클의 하측에 체결되고 타측이 차체에 체결된 두 개의 하부링크로 이루어진 로어암으로 구성되는 것을 특징으로 하는 차량의 링크타입 위시본형 현가장치.Link-type wishbone suspension of the vehicle, characterized in that the lower arm is composed of two lower links one side is fastened to the lower side of the knuckle and the other side is fastened to the vehicle body. 제 1항에 있어서, 상기 어퍼암 및 로어암의 상부링크 및 하부링크는 직경이 균일한 환봉으로 이루어지는 것을 특징으로 하는 차량의 링크타입 위시본형 현가장치.The upper link and the lower link of the upper arm and the lower arm of claim 1, wherein the link type wishbone suspension of the vehicle, characterized in that made of a round bar of uniform diameter. 제 1항에 있어서, 상기 상부링크 및 하부링크는 너클에 볼조인트를 통하여 체결되는 것을 특징으로 하는 차량의 링크타입 위시본형 현가장치.2. The link type wishbone suspension of a vehicle according to claim 1, wherein the upper link and the lower link are fastened to a knuckle through a ball joint.
KR1020030031887A 2003-05-20 2003-05-20 Link type wishbone suspension for vehicles KR20040099784A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100794463B1 (en) * 2006-06-09 2008-01-16 위아 주식회사 Dual ball joint type lower arm link

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100794463B1 (en) * 2006-06-09 2008-01-16 위아 주식회사 Dual ball joint type lower arm link

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