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KR100293670B1 - Front wheel suspension of vehicle - Google Patents

Front wheel suspension of vehicle Download PDF

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Publication number
KR100293670B1
KR100293670B1 KR1019970057957A KR19970057957A KR100293670B1 KR 100293670 B1 KR100293670 B1 KR 100293670B1 KR 1019970057957 A KR1019970057957 A KR 1019970057957A KR 19970057957 A KR19970057957 A KR 19970057957A KR 100293670 B1 KR100293670 B1 KR 100293670B1
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South Korea
Prior art keywords
lower arm
shock absorber
wheel suspension
front wheel
vehicle
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KR19990038294A (en
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류준성
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이계안
현대자동차주식회사
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G13/00Resilient suspensions characterised by arrangement, location or type of vibration dampers
    • B60G13/001Arrangements for attachment of dampers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G7/00Pivoted suspension arms; Accessories thereof
    • B60G7/008Attaching arms to unsprung part of vehicle
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/43Fittings, brackets or knuckles

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

Abstract

전,후 좌,우 방향으로 차륜을 통해 전달받는 외력에 의한 충격을 흡수할 수 있게 하기 위하여 차체 프레임에 마련된 지지축에 슬라이드 회동 가능하게 설치되면서 차륜에 연결 설치되는 로워아암과,A lower arm connected to the wheel while being slidably installed on a support shaft provided in the body frame to absorb shocks from external forces transmitted through the wheel in the left and right directions before and after;

상기 로워아암에 기립 설치되면서 차체에 마련된 가이드 레일을 미끄러지게 조립된 제1 쇽 업소오버와,A first shock absorber over which the guide rail provided in the vehicle body is slidably installed while standing on the lower arm,

상기 로워아암과 전방 차체 사이에 수평으로 위치하여 힌지 결합 설치되는 제2 쇽 업소오버와,A second shock absorber positioned horizontally between the lower arm and the front vehicle body and hingedly installed;

상기 로워아암과 후방 차체 사이에 수평으로 위치하여 힌지 결합 설치되는 제3 쇽 업소오버로 구성되어 이루어지는 차량의 전륜 현가장치를 제공하는데 있다.It is to provide a front wheel suspension of a vehicle consisting of a third shock absorber which is horizontally located between the lower arm and the rear vehicle body is hingedly installed.

Description

차량의 전륜 현가장치Vehicle front wheel suspension

본 발명은 차량의 전륜 현가장치에 관한 것으로, 더욱 상세하게는 전,후 좌,우 방향으로 차륜을 통해 전달받는 외력에 의한 충격을 흡수할 수 있게 구조를 개선한 차량의 전륜 현가장치에 관한 것이다.The present invention relates to a front wheel suspension of a vehicle, and more particularly, to a front wheel suspension of a vehicle having an improved structure so as to absorb an impact caused by an external force transmitted through a wheel in front, rear, and right directions. .

자동차에 있어서의 현가장치는 차체와 차륜사이에 존재하면서 이 2개의 강체를 하나 혹은 다수의 컨트롤 아암으로 연결하여 상하 방향으로는 스프링과 쇽 업소오버에 의하여 지지되고, 기타방향으로 높은 강성과 유연성을 적절히 조화시킴으로써, 차체와 차륜사이의 상대운동을 기계적으로 적절히 조화시켜 주행중 노면으로 받는 진동과 충격을 흡수하여 승차감과 선회안정성을 향상시키는 장치이다.Suspensions in automobiles exist between the body and the wheels and are connected by one or more control arms, supported by springs and shock absorbers in the up and down directions, and high rigidity and flexibility in the other directions. By appropriately harmonizing, the relative motion between the vehicle body and the wheels is mechanically balanced to absorb vibrations and shocks received on the road surface while driving, thereby improving ride comfort and turning stability.

이러한 현가장치는 노면으로부터의 입력에 대한 여러부문의 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 노면에 대하여 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 의동하는 방향 및 순간 외에는 외부 입력에 의한 어떠한 거동도 허용하면 안된다.First, for the stability of adjustment, the tire should maintain the ideal posture on the road surface to maximize the grip force on the road, and the body should maintain the best posture in its own way to enable the desired vehicle movement state. In addition, it must not have any momentary force to get the next motion at all times and at the same time allow any action by external input except the direction and moment of driver's movement.

둘째, 안락감을 위하여 어떠한 충격도 준민하게 흡수할 수 있도록 하여 차내에 있는 탑승자들로 하여금 불쾌감을 느끼지 못하도록 하여야 한다.Secondly, for comfort, the passengers should be able to absorb any shocks sensitively so that passengers in the car will not feel uncomfortable.

셋째, 충돌시 이의 충돌 에너지의 흡수에 기여토록 하여 충돌 안전성을 증대시킬 수 있도록 하여야 한다.Third, it is necessary to contribute to the absorption of the collision energy in the collision to increase the collision safety.

상기와 같은 현가장치의 요구조건에 있어서, 이제까지의 첫째와 둘째 조건을 충족시키기 위한 개발이 중점적으로 이루어지고 이에 설계된 현가장치가 양산 차량에 적용되고 있으나, 최근에는 안전도에 대한 규제가 점차적으로 까다로워 짐으로써, 기존 현가장치의 설계개념만으로는 이를 충족시키기에는 역부족이었다.In the above requirements of the suspension system, development to meet the first and second conditions so far has been intensively and the suspension system designed for this has been applied to mass production vehicles, but in recent years, the regulations on safety have become increasingly difficult. As a result, the design concept of the existing suspension system was not sufficient to satisfy this.

이에 따라 최근에는 차체 구조에 악영향을 미치지 않는 조건에서 전면 및 오프셋 충돌시 이의 충돌에너지를 효과적으로 흡수하여 충돌 안전성을 향상시킬 수 있는 현가장치가 초보단계로서 개발되고 있는 실정이다.Accordingly, in recent years, suspension systems that can effectively absorb collision energy in front and offset collisions and improve collision safety under conditions that do not adversely affect the vehicle body structure have been developed as a starter stage.

이러한 점을 고려하여 전륜에 적용되고 있는 종래의 스트러트형 현가장치를 살펴보면, 도5에서와 같이 스프링(102)과 쇽 업소오버(104)가 일체로 형성되어 그 상측에 인슐레이터(106)를 개재시켜 차체에 현가 지지되며, 하측에는 휠을 회전 가능하게 지지하는 휠 캐리어(108)의 하측 부분을 차체 또는 프레임(112)과 연결하여 주는 로워 컨트롤 아암(114)를 포함하여 이루어진다.Considering the above, the conventional strut-type suspension device applied to the front wheels will be described. As shown in FIG. 5, the spring 102 and the shock absorber 104 are integrally formed, and the insulator 106 is interposed therebetween. Suspended on the vehicle body, the lower side includes a lower control arm 114 that connects the lower portion of the wheel carrier 108 for rotatably supporting the wheel with the vehicle body or the frame 112.

종래에는 쇽 업소오버에 의해 차륜의 상,하 운동에 의한 진동만을 흡수하게 되어 제동력이나 구동력에 의해 발생하는 전,후력에 의한 진동은 흡수할 수 없어 승차감 향상을 저해하는 문제점이 있다.Conventionally, only the vibration caused by the up and down movement of the wheel is absorbed by shock absorber, and the vibration caused by the front and rear forces generated by the braking force and the driving force cannot be absorbed.

상기한 바와 같이 이루어지는 종래기술의 문제점을 해소하기 위하여 안출된 본 발명의 목적은 전,후 좌,우 방향으로 차륜을 통해 전달받는 외력에 의한 충격을 흡수할 수 있게 구조를 개선한 차량의 전륜 현가장치를 제공하는데 있다.An object of the present invention devised to solve the problems of the prior art made as described above is a front wheel suspension of a vehicle having an improved structure to absorb the impact of external force transmitted through the wheel in the front, rear, left and right directions To provide a device.

이를 실현하기 위한 본 발명은 차체 프레임에 마련된 지지축에 슬라이드 회동 가능하게 설치되면서 차륜에 연결 설치되는 로워아암과,The present invention for realizing this is provided with a lower arm connected to the wheel while being installed to be rotatable slide on the support shaft provided in the body frame,

상기 로워아암에 기립 설치되면서 차체에 마련된 가이드 레일을 미끄러지게 조립된 제1 쇽 업소오버와,A first shock absorber over which the guide rail provided in the vehicle body is slidably installed while standing on the lower arm,

상기 로워아암과 전방 차체 사이에 수평으로 위치하여 힌지 결합 설치되는 제2 쇽 업소오버와,A second shock absorber positioned horizontally between the lower arm and the front vehicle body and hingedly installed;

상기 로워아암과 후방 차체 사이에 수평으로 위치하여 힌지 결합 설치되는 제3 쇽 업소오버로 구성되어 이루어지는 차량의 전륜 현가장치를 제공하는데 있다.It is to provide a front wheel suspension of a vehicle consisting of a third shock absorber which is horizontally located between the lower arm and the rear vehicle body is hingedly installed.

도1은 본 발명에 따른 전륜 현가장치를 도시한 사시도.1 is a perspective view showing a front wheel suspension according to the present invention.

도2는 본 발명에 따른 전륜 현가장치의 상,하 운동 작동 상태를 도시한 정면도.Figure 2 is a front view showing the up, down movement operation state of the front wheel suspension according to the invention.

도3은 본 발명에 따른 전륜 현가장치의 상,하 운동 작동 상태를 도시한 측면도.Figure 3 is a side view showing the up, down movement operation state of the front wheel suspension according to the invention.

도4는 본 발명에 따른 전륜 현가장치의 전,후력 작용 작동 상태도.Figure 4 is a front, rear action action state of the front wheel suspension according to the invention.

도5는 종래 기술에 따른 전륜 현가장치를 도시한 도면.Figure 5 shows a front wheel suspension according to the prior art.

이하, 본 발명의 바람직한 일 실시예를 첨부한 도면에 의하여 더욱 상세하게 설명한다.Hereinafter, with reference to the accompanying drawings a preferred embodiment of the present invention will be described in more detail.

도1은 본 발명에 따른 전륜 현가장치를 도시한 도면으로, 로워아암(2)은 차체 프레임(4)에 마련된 지지축(6)에 슬라이드 회동 가능하게 설치하면서 차륜(8)에 연결 설치하여 이루어지고 있다.1 is a view showing the front wheel suspension according to the present invention, the lower arm (2) is made by connecting to the wheel (8) while being installed slideably rotatable on the support shaft (6) provided in the body frame (4) ought.

또, 상기 로워아암(2)에 기립 설치되면서 차체에 마련된 가이드 레일(10)을 미끄러지게 제1 쇽 업소오버(12)를 조립 설치하고 있다.Moreover, the 1st shock absorber 12 is assembled and installed so that the guide rail 10 provided in the vehicle body may slide, while standing by the lower arm 2. As shown in FIG.

그리고 로워아암(2)과 전방측 차체 사이에 제2 쇽 업소오버(14)를 수평으로 위치시켜 힌지 결합으로 설치하고 있다.Then, the second shock absorber 14 is horizontally positioned between the lower arm 2 and the front vehicle body, and is installed in a hinged manner.

상기 로워아암(2)과 후방측 차체 사이에 제3 쇽 업소오버(16)를 수평으로 위치시켜 힌지 결합으로 설치하여 이루어지고 있다.The third shock absorber 16 is positioned horizontally between the lower arm 2 and the rear side vehicle body and is installed by hinge coupling.

상기한 로워아암(2)은 차륜(8)에 일 끝단이 연결되고, 타측 끝단은 힌지 연결부(18)를 형성하여 지지축(6)에 설치하고 있다.One end of the lower arm 2 is connected to the wheel 8, and the other end thereof is formed on the support shaft 6 by forming a hinge connection portion 18.

상기한 지지축(6)은 전후력에 의해 힌지 연결부(18)가 일정 범위에서만 미끄러지게 양측에 스톱퍼(20)를 형성하고 있다.The support shaft 6 has a stopper 20 formed at both sides such that the hinge connecting portion 18 slides only in a predetermined range by the front and rear force.

그리고 제1 쇽 업소오버(12)는 제동시나 구동력시 발생하는 전후력에 의해 가이드 레일(10)을 슬라이드 하게 로드(22)의 상단에 롤러(24)를 설치하고 있다.The first shock absorber 12 is provided with a roller 24 on the upper end of the rod 22 to slide the guide rail 10 by the front and rear forces generated during braking or driving force.

또, 가이드 레일(10)은 제1 쇽 업소오버(12)의 상측에 전,후 길이 방향으로 장착되고, 롤러(24)의 이탈방지와 이동을 가능하게 하기 위하여 가이드홈(26)을 형성하고 있다.In addition, the guide rail 10 is mounted in the longitudinal direction in the front and rear on the upper side of the first shock absorber 12, and forms a guide groove 26 to enable the separation and movement of the roller 24, have.

상기 로워아암(2)의 전후에 설치되는 제2,3쇽 업소오버(14)(16)는 로워아암(2)과 차체측에 장착된 힌지 브라켓트(28)에 힌지부(30)로 연결 설치하여 이루어지고 있다.The second and third shock absorbers 14 and 16 installed before and after the lower arm 2 are connected to the lower arm 2 and the hinge bracket 28 mounted on the vehicle body by the hinge portion 30. Is done.

상기한 바와 같이 이루어지는 본 발명의 작동을 도2,3,4에 의하여 설명하면 주행중 차륜을 통해 노면의 굴곡에 의한 외력을 전달받아 차륜(8)이 상,하로 변위를 일으켰을 경우 로워아암(2)은 지지축(6)을 중심으로 회전하여 a점 b점으로 변위를 일으킨다.2, 3, and 4 illustrate the operation of the present invention as described above, when the wheel 8 is displaced up and down by receiving an external force due to the curvature of the road through the wheel while driving, the lower arm 2 Rotates around the support shaft 6 to cause displacement at point a and b.

이에 제1쇽 업소오버(12)는 외력을 흡수하여 감쇄시킨다.Accordingly, the first shock absorber 12 absorbs and attenuates an external force.

그리고 이때 로워아암(2)과 차체측에 힌지 설치된 제2,3 쇽 업소오버(14)(16)는 차체측의 힌지부(30)를 중심으로 회동하여 상,하 운동시 c점 d점으로 변위를 일으켜 제1 쇽 업소오버(12)와 더불어 외력을 흡수 감쇄작용을 한다.At this time, the lower arm 2 and the second and third shock absorbers 14 and 16 which are hinged to the vehicle body side rotate about the hinge portion 30 of the vehicle body and move to c point d during the up and down movement. It causes displacement and absorbs and attenuates external forces with the first shock absorber 12.

그리고 차량의 제동력이나 구동력에 의해 전,후력이 발생할 경우에는 제1쇽 업소오버(12)는 작동하지 않고 가이드 레일(10)의 가이드홈(26)을 따라 이동할 뿐이고, 제2,3 쇽 업소오버(14)(16)에 전달된 외력을 댐핑하여 감쇄시킴으로서 차체의 자세를 안정시킨다.When the front and rear forces are generated by the braking force or the driving force of the vehicle, the first shock absorber 12 does not operate but only moves along the guide groove 26 of the guide rail 10, and the second, third shock absorber is over. (14) (16) Stabilizes the body position by damping and damping the external force transmitted to (16).

본 발명은 상,하 좌,우방향으로 전달되는 외력을 흡수 감쇄하여 승차감을 증대하는 효과가 있다.The present invention has the effect of absorbing and attenuating the external force transmitted in the up, down, left and right directions to increase the riding comfort.

Claims (6)

차체 프레임에 마련된 지지축에 슬라이드 회동 가능하게 설치되면서 차륜에 연결 설치되는 로워아암과,A lower arm connected to the wheel while being slidably installed on a support shaft provided in the body frame, 상기 로워아암에 기립 설치되면서 차체에 마련된 가이드 레일을 미끄러지게 조립된 제1 쇽 업소오버와,A first shock absorber over which the guide rail provided in the vehicle body is slidably installed while standing on the lower arm, 상기 로워아암과 전방 차체 사이에 수평으로 위치하여 힌지 결합 설치되는 제2 쇽 업소오버와,A second shock absorber positioned horizontally between the lower arm and the front vehicle body and hingedly installed; 상기 로워아암과 후방 차체 사이에 수평으로 위치하여 힌지 결합 설치되는 제3 쇽 업소오버로 구성되어 이루어짐을 특징으로 하는 차량의 전륜 현가장치.And a third shock absorber which is horizontally positioned between the lower arm and the rear body to be hingedly installed. 청구항 1에 있어서, 로워아암은 차륜에 일 끝단이 연결되고, 타측 끝단은 힌지 연결부를 형성하여 지지축에 설치하여 이루어지는 차량의 전륜 현가장치.The vehicle front wheel suspension according to claim 1, wherein one end of the lower arm is connected to the wheel, and the other end of the lower arm forms a hinge connection and is installed on the support shaft. 청구항 1에 있어서, 지지축은 전후력에 의해 로워아암의 힌지 연결부가 일정 범위에서만 미끄러지게 양측에 스톱퍼를 형성하여 이루어지는 차량의 전륜 현가장치.The front wheel suspension of a vehicle according to claim 1, wherein the support shaft is provided with stoppers on both sides such that the hinge arm of the lower arm slides only within a predetermined range by the front and rear force. 청구항 1에 있어서, 제1 쇽 업소오버는 제동시나 구동력시 발생하는 전후력에 의해 가이드 레일을 슬라이드 하게 로드의 상단에 롤러를 설치하여 이루어지는 차량의 전륜 현가장치.The front wheel suspension of a vehicle according to claim 1, wherein the first shock absorber is provided with a roller at an upper end of the rod to slide the guide rail by the front and rear forces generated during braking or driving force. 청구항 1에 있어서, 가이드 레일은 제1 쇽 업소오버의 상측에 전,후 길이 방향으로 장착되고, 롤러의 이탈방지와 이동을 가능하게 하기 위하여 가이드홈을 형성하여 이루어지는 차량의 전륜 현가장치.The front wheel suspension of a vehicle according to claim 1, wherein the guide rails are mounted in the front and rear longitudinal directions on the upper side of the first shock absorber and formed with guide grooves to prevent the rollers from being separated and moved. 청구항 1에 있어서, 제2,3쇽 업소오버는 로워아암에 장착된 힌지 브라켓트에 힌지 연결되고, 타측은 차체에 힌지부로 연결 설치하여 이루어지는 차량의 전륜 현가장치.The front wheel suspension of a vehicle according to claim 1, wherein the second and third shock absorbers are hingedly connected to a hinge bracket mounted to the lower arm, and the other side is connected to the vehicle body by a hinge portion.
KR1019970057957A 1997-11-04 1997-11-04 Front wheel suspension of vehicle Expired - Fee Related KR100293670B1 (en)

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CN111016569A (en) * 2019-12-30 2020-04-17 江苏大学 An in-wheel motor-driven vehicle and its suspension interconnection structure
CN111391957A (en) * 2020-05-05 2020-07-10 杨小冬 Front suspension device of tiltable cross-country vehicle
CN115230418A (en) * 2022-08-17 2022-10-25 北京汽车集团越野车有限公司 Vehicle shock-absorbing suspension and vehicle having the same

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