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KR100968170B1 - A suspension apparatus for vehicle - Google Patents

A suspension apparatus for vehicle Download PDF

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Publication number
KR100968170B1
KR100968170B1 KR1020090116095A KR20090116095A KR100968170B1 KR 100968170 B1 KR100968170 B1 KR 100968170B1 KR 1020090116095 A KR1020090116095 A KR 1020090116095A KR 20090116095 A KR20090116095 A KR 20090116095A KR 100968170 B1 KR100968170 B1 KR 100968170B1
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KR
South Korea
Prior art keywords
vehicle
link
wheel
driving
suspension
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Expired - Fee Related
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KR1020090116095A
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Korean (ko)
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류창열
장현식
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에코그린모터스(주)
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Priority to KR1020090116095A priority Critical patent/KR100968170B1/en
Priority to PCT/KR2009/007610 priority patent/WO2011065620A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G9/00—Resilient suspensions of a rigid axle or axle housing for two or more wheels
    • B60G9/02—Resilient suspensions of a rigid axle or axle housing for two or more wheels the axle or housing being pivotally mounted on the vehicle, e.g. the pivotal axis being parallel to the longitudinal axis of the vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
    • B60G17/016—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input
    • B60G17/0165—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input to an external condition, e.g. rough road surface, side wind
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2200/00—Indexing codes relating to suspension types
    • B60G2200/30—Rigid axle suspensions
    • B60G2200/32—Rigid axle suspensions pivoted
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/10—Type of spring
    • B60G2202/12—Wound spring
    • 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
    • B60G2204/418—Bearings, e.g. ball or roller bearings
    • 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
    • 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
    • F16C2326/00—Articles relating to transporting
    • F16C2326/01—Parts of vehicles in general
    • F16C2326/05—Vehicle suspensions, e.g. bearings, pivots or connecting rods used therein

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

Abstract

본 발명은 자동차용 현가장치에 관한 것으로서, 더욱 상세하게는 자동차의 뒷바퀴가 독립적으로 구동되도록하여 자동차의 주행중 급선회시나 방향전환시 또는 표면이 고르지 못한 도로주행시 자동차의 상, 하 요동이나 좌, 우 요동에 의한 진동 및 충격이 차체 및 운전자와 승차자 그리고, 화물 등에 직접적으로 전달되지 않도록 함으로써 자동차의 승차감은 물론 안전운전이 될 수 있도록 하기 위한 자동차용 현가장치에 관한 것이다.The present invention relates to a suspension device for a vehicle, and more particularly, to allow the rear wheel of an automobile to be driven independently, when the vehicle is in a sharp turn or when changing directions, or when driving on a road with an uneven surface. The present invention relates to a suspension device for a vehicle to allow safe driving as well as ride comfort of a vehicle by not directly transmitting vibrations and shocks to a vehicle body, a driver, a rider, and a cargo.

즉, 본 발명은 자동차의 뒷바퀴에 연결되는 한 쌍의 링크축이 각각 일측은 상기 자동차의 뒷바퀴에 연결되고, 타측은 체결구에 의해 링크부싱이 설치된 링크프레임에 일체로 결합되며, 상기 링크축에는 상기 자동차 몸체와 연결된 서스펜션이 고정 설치되고, 상기 링크프레임 하부면에는 일측과 타측에 상기 자동차 몸체에 연결된 베어링에 고정 결합된 회전축이 일체로 구성되는 것이다.That is, in the present invention, a pair of link shafts connected to the rear wheel of the vehicle, respectively, one side is connected to the rear wheel of the vehicle, and the other side is integrally coupled to the link frame in which the link bushing is installed by a fastener. Suspension connected to the vehicle body is fixedly installed, the lower surface of the link frame is composed of a rotary shaft fixedly coupled to the bearing connected to the vehicle body on one side and the other side.

이로 인하여, 자동차가 표면이 고르지 못한 도로나 비포장도를 주행할 때 또는 급선회시 및 방향전환시 뒷바퀴가 상, 하 및 좌, 우로 각각 독립적으로 구동됨으로써 한 쪽 바퀴가 지면으로부터 들리게되는 쏠림현상을 방지할 수 있는 효과가 있는 것이다.As a result, when the car is driving on uneven roads or unpaved roads, or when turning and turning sharply, the rear wheels are independently driven up, down, left, and right to prevent one wheel from being lifted from the ground. There is an effect that can be done.

더불어, 자동차 주행시 주행하는 노면의 불규칙한 경사에 대해 뒷바퀴의 독립적인 구동에 의해 자동차 몸체가 전반적으로 평행 또는 수평이 유지됨으로써 자동차의 주행시 노면으로부터 받는 진동이나 충격이 차체에 직접 전달되지 않게 됨 으로써 차량의 승차감과 안정성을 확보할 수 있는 효과가 있는 것이다.In addition, the vehicle body is generally parallel or horizontally driven by the independent driving of the rear wheels against the irregular inclination of the road surface that is driven while driving, so that vibrations or shocks received from the road surface of the vehicle are not transmitted directly to the vehicle body. It is effective to secure ride comfort and stability.

Description

자동차용 현가장치{A suspension apparatus for vehicle}Suspension device for automobiles {A suspension apparatus for vehicle}

본 발명은 자동차용 현가장치에 관한 것으로서, 더욱 상세하게는 자동차의 뒷바퀴가 독립적으로 구동되도록하여 자동차의 주행중 급선회시나 방향전환시 또는 표면이 고르지 못한 도로주행시 자동차의 상, 하 요동이나 좌, 우 요동에 의한 진동 및 충격이 차체 및 운전자와 승차자 그리고, 화물 등에 직접적으로 전달되지 않도록 함은 물론 자동차 주행시 주행하는 노면의 불규칙한 경사에 대해 뒷바퀴의 독립적인 구동에 의해 자동차의 몸체가 평행 또는 수평이 유지되도록하여 자동차의 승차감 및 안정성을 향상시키기 위한 자동차용 현가장치에 관한 것이다.The present invention relates to a suspension device for a vehicle, and more particularly, to allow the rear wheel of an automobile to be driven independently, when the vehicle is in a sharp turn or when changing directions, or when driving on a road with an uneven surface. Vibration and shock are not transmitted directly to the body, driver, rider, cargo, etc., as well as to maintain the body of the car in parallel or horizontal by independent driving of the rear wheel against the irregular inclination of the road surface running during driving The present invention relates to a vehicle suspension for improving ride comfort and stability of a vehicle.

일반적으로 이륜자동차는 전, 후방에 바퀴를 가지며 우리 일상생활에서 가장많이 이용하는 이동수단으로 활용되지만, 현재로선 전방으로 한개의 바퀴에 후방으로 두개의 바퀴를 가지는 소형 삼륜자동차나 전, 후방에 각각 두개씩 바퀴를 가지는 사륜자동차가 안전성을 고려하여 널리 이용되고 있는 추세에 있다.Generally, two-wheeled vehicles have wheels at the front and rear and are used as the most used means of transportation in our daily life, but at present, they are small three-wheeled vehicles with two wheels at the front and two at the front, or two at the front and rear. Four-wheeled vehicles with wheels have been widely used in consideration of safety.

특히, 시골에서 소형 사륜자동차를 많이 이용하고 있지만, 이와는 반대로 방향전환시 중심을 잃거나 미끄러지는 일이 많이 발생되고 있으나 그에 대한 해결책은 개발이 미진한 상태이다.In particular, although many small four-wheeled vehicles are used in the countryside, on the contrary, a lot of slipping or slipping occurs during the change of direction, but a solution for the situation is underdeveloped.

일반적으로 자동차의 현가장치는 자동차의 주행 중에 노면으로부터 받는 진 동이나 충격을 자동차의 차체에 직접적으로 전달되지 않도록 제어하여 차체, 승객, 화물 등에 손상을 주지 않도록 함으로써 자동차의 승차감을 좋게 만드는 장치로서, 뒷바퀴가 비독립적으로 구성되는 것이 통상적이다.In general, the suspension of the vehicle is a device that improves the ride quality of the vehicle by controlling the vibrations or shocks received from the road surface not to be directly transmitted to the vehicle body while driving the vehicle so as not to damage the vehicle body, passengers, cargo, etc. It is common for the rear wheels to be configured independently.

이로 인하여 자동차가 표면이 고르지 못한 도로나 비포장도를 주행할 때 상, 하 요동 및 좌, 우 요동에 의해 자동차의 차체에 진동이나 충격이 직접적으로 전달됨으로써 차량의 고장이 빈번하게 발생됨은 물론 운전자와 승차자의 신체에 충격이 전해짐으로써 목과 허리에 통증을 유발시키는 문제점이 있었다.As a result, when the vehicle is traveling on uneven roads or unpaved roads, vibrations or shocks are directly transmitted to the vehicle's body by up, down, left, and right swings. The shock is transmitted to the body of the passengers there was a problem causing pain in the neck and back.

더불어, 자동차 주행중 급선회시 또는 방향전환시 한 쪽 바퀴가 지면으로부터 들리게되는 쏠림현상이 발생됨으로써 운전자 및 승차자가 불안정된 승차감을 느끼게 됨은 물론 자동차가 자칫 미끄러지게 됨으로써 안전운전을 방해하는 원인으로 작용되고 있다.In addition, when a car turns or turns, one wheel is pulled out of the ground, causing the driver and the rider to feel unstable, and the vehicle slips easily, thereby preventing the safe driving. .

한편, 일반적으로 이륜자동차는 전, 후방에 바퀴를 가지며 우리 일상생활에서 가장 많이 이용하는 이동수단으로 활용되지만, 현재로선 전방으로 한개의 바퀴에 후방으로 두개의 바퀴를 가지는 소형 삼륜자동차나 전, 후방에 각각 두개씩 바퀴를 가지는 소형의 사륜자동차가 안전성을 고려하여 널리 이용되고 있는 추세에 있다.On the other hand, two-wheeled vehicles generally have front and rear wheels and are used as the most used means of transportation in our daily life, but currently they are small three-wheeled vehicles that have one wheel at the front and two wheels at the rear. Small four-wheeled vehicles having two wheels each have a tendency to be widely used in consideration of safety.

그러나, 소형의 삼륜, 사륜자동차의 경우 방향전환시 한쪽 바퀴가 지면으로부터 들리게되는 쏠림현상으로 중심을 잃거나 미끄러지는 등의 원인으로 사고율이 높은 반면, 그에 대한 해결책은 개발이 미진한 상태이다.However, in the case of small three- and four-wheeled vehicles, the accident rate is high due to the distraction or slipping caused by one wheel being lifted from the ground when the direction is changed, but the solution for the three-wheeled and four-wheeled vehicle is underdeveloped.

본 발명은 상술한 문제점을 해결하기 위해 창안된 것으로서, 본 발명의 목적은 자동차의 뒷바퀴가 독립적으로 구동되도록하여 자동차의 주행중 급선회시나 방향전환시 또는 표면이 고르지 못한 도로주행시 자동차의 상, 하 요동이나 좌, 우 요동에 의한 진동 및 충격이 차체 및 운전자와 승차자 그리고, 화물 등에 직접적으로 전달되지 않도록 함은 물론 자동차 주행시 주행하는 노면의 불규칙한 경사에 대해 뒷바퀴의 독립적인 구동에 의해 자동차의 몸체가 평행 또는 수평이 유지되도록하여 자동차의 승차감 및 안정성을 향상시키기 위한 자동차용 현가장치를 제공하는 것이다.The present invention has been made to solve the above-described problems, the object of the present invention is to drive the rear wheel of the vehicle independently so that when driving or turning sharply during the driving of the car or when the surface of the road uneven road, It is possible to prevent the vibration and shock caused by left and right swings from being transmitted directly to the body, the driver, the rider and the cargo. It is to provide a vehicle suspension for improving the ride comfort and stability of the vehicle by maintaining the level.

상술한 목적을 달성하기 위하여, 본 발명은 자동차용 현가장치에 있어서,In order to achieve the above object, the present invention provides a suspension for automobiles,

상기 자동차용 현가장치는 자동차의 후륜에 연결되는 한 쌍의 링크축과; 일측은 상기 링크축 상부에 연결되고 타측은 상기 자동차 몸체에 연결되는 서스펜션과; 상부면에 링크브라켓이 설치되고, 상기 링크브라켓 상부에 상기 링크축의 끝단부가 고정되는 링크부싱이 설치되어 체결구에 의해 상기 링크축과 일체로 결합되는 링크프레임으로 구성되는 것을 특징으로 하는 자동차용 현가장치를 제공한다.The vehicle suspension includes a pair of link shafts connected to the rear wheel of the vehicle; One side of which is connected to the upper link shaft and the other side of which is connected to the vehicle body; Link suspension is installed on the upper surface, the link bushing is installed on the upper end of the link shaft is fixed to the link frame which is composed of a link frame which is integrally coupled with the link shaft by a fastener Provide a device.

이때, 상기 링크축의 양측 끝단부가 각각 상기 링크부싱에 고정되고, 상기 링크축의 정 중앙부가 상기 자동차의 후륜에 연결되어 구성되는 것을 특징으로 한다.At this time, both ends of the link shaft is fixed to the link bushing, respectively, characterized in that the central portion of the link shaft is configured to be connected to the rear wheel of the vehicle.

특히, 상기 링크프레임 하부면에는 양측 끝단부가 상기 자동차의 몸체와 연결된 베어링에 결합되는 회전축이 일체로 구성되는 것을 특징으로 한다.In particular, the lower surface of the link frame is characterized in that the rotating shaft coupled to the bearing connected to both ends of the vehicle body is integrally configured.

이때, 상기 링크프레임의 전면과 후면에는 양측 끝단부가 상기 자동차의 몸체와 연결된 베어링에 결합되는 회전축이 각각 구성되는 것을 특징으로 한다.At this time, the front and rear of the link frame is characterized in that the rotating shaft coupled to the bearing connected to both ends of the body of the vehicle, respectively.

본 발명에 따르면, 자동차의 뒷바퀴가 독립적으로 구동되도록하여 자동차의 주행중 급선회시나 방향전환시 또는 표면이 고르지 못한 도로주행시 자동차의 상, 하 요동 및 좌, 우 요동에 의한 진동 및 충격이 차체 및 운전자와 승차자와 그리고, 화물 등에 직접적으로 전달되지 않도록 함으로써 자동차의 승차감은 물론 한 쪽 바퀴가 지면으로부터 들리게되는 쏠림현상을 방지함으로써 안전운전을 할 수 있는 효과가 있는 것이다.According to the present invention, the rear wheels of the vehicle are driven independently so that vibrations and impacts caused by the up, down and left and right swings of the vehicle during rapid turning or turning direction of the vehicle or when driving on uneven roads are affected by the body and the driver. By not being directly transmitted to the rider and the cargo, it is possible to drive safely as well as to prevent the ride of the car and the tendency of one wheel to be lifted from the ground.

더불어, 자동차 주행시 주행하는 노면의 불규칙한 경사에 대해 뒷바퀴의 독립적인 구동에 의해 자동차가 전반적으로 평행 또는 수평이 유지됨으로써 차량의 승차감과 안정성을 확보할 수 있는 효과가 있는 것이다.In addition, the vehicle is generally parallel or horizontally maintained by the independent driving of the rear wheels against the irregular inclination of the road surface running during the vehicle driving, thereby ensuring the riding comfort and stability of the vehicle.

이하, 첨부된 도면에 의하여 본 발명의 바람직한 실시예를 보다 상세하게 설명한다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 1a, 1b는 본 발명에 따른 자동차용 현가장치에 대한 제 1실시예를 도시한 사시도 및 정면도이고, 도 2는 본 발명에 따른 자동차용 현가장치에 대한 제 1실시예의 방향전환시 작동상태를 도시한 사용 상태도이며, 도 3은 본 발명에 따른 자동 차용 현가장치에 대한 제 1실시예의 고르지 못한 노면에서의 작동상태를 도시한 사용 상태도이다.Figure 1a, 1b is a perspective view and a front view showing a first embodiment of a suspension device for a vehicle according to the invention, Figure 2 is an operating state when switching the direction of the first embodiment for a vehicle suspension device according to the invention Fig. 3 is a use state diagram showing an operating state on an uneven road surface of the first embodiment of the vehicle suspension apparatus according to the present invention.

도 1a 내지 도 3을 참조하여 보면, 자동차용 현가장치(3)는 상기 자동차(1)의 뒷바퀴(2)에 연결되는 한 쌍의 링크축(10)과, 일측은 상기 링크축(10) 상부에 연결되고 타측은 상기 자동차(1) 몸체에 연결되는 한 쌍의 서스펜션(20)과, 상부면에 링크브라켓(11)이 설치되고, 상기 링크브라켓(11) 상부에 상기 링크축(10)의 끝단부가 고정되는 한 쌍의 링크부싱(12)이 설치되어 체결구(13)에 의해 상기 링크축(10)과 일체로 결합되는 링크프레임(14)으로 구성된다.1A to 3, the vehicle suspension device 3 includes a pair of link shafts 10 connected to the rear wheel 2 of the vehicle 1, and one side of the link shaft 10 is upper. A pair of suspensions 20 connected to the other side and connected to the body of the vehicle 1, and a link bracket 11 is installed on an upper surface of the link shaft 11. A pair of link bushings 12 having end portions fixed thereto are installed, and the link frame 14 is integrally coupled to the link shaft 10 by a fastener 13.

이때, 상기 링크부싱(12)은 상기 한 쌍의 링크축(10) 끝단부를 각각 고정시킬 수 있도록 한 쌍으로 설치되거나 내측이 개구된 일체형으로 설치될 수 있으며, 상기 링크부싱(12) 표면에는 상기 링크축(10)이 상기 체결구에 의해 결합될 수 있도록 체결공이 형성되는 것이 바람직하다.In this case, the link bushing 12 may be installed in pairs or fixedly installed in one piece so as to fix the ends of the pair of link shafts 10, respectively, on the surface of the link bushing 12 It is preferable that a fastening hole is formed so that the link shaft 10 can be coupled by the fastener.

더불어, 상기 뒷바퀴(2)에 고정되는 상기 링크축(10)의 일측에는 상기 뒷바퀴(2)가 고정될 수 있도록 하기 위한 결합부재(15)가 설치되는 것이 더 바람직하다.In addition, it is more preferable that a coupling member 15 is installed at one side of the link shaft 10 fixed to the rear wheel 2 so that the rear wheel 2 can be fixed.

이로 인하여 상기 뒷바퀴(2)와 상기 링크축(10)이 안정적으로 결합될 수 있는 것이다.For this reason, the rear wheel 2 and the link shaft 10 can be stably coupled.

즉, 상기 자동차(1)의 뒷바퀴(2)에 연결되는 한 쌍의 링크축(10)이 각각 일측은 상기 자동차(1)의 뒷바퀴(2)인 제1바퀴(2a)와 제2바퀴(2b)에 각각 연결되고, 타측은 체결구(13)에 의해 링크부싱(12)이 설치된 링크프레임(14)에 일체로 결합되 며, 상기 링크축(10)에는 상기 자동차(1) 몸체와 연결된 서스펜션(20)이 고정 설치되는 것이다.That is, a pair of link shafts 10 connected to the rear wheels 2 of the vehicle 1, respectively, one side of the first wheel 2a and the second wheel 2b which are the rear wheels 2 of the vehicle 1, respectively. Are respectively connected to the link frame 14 provided with the link bushing 12 by a fastener 13, and the link shaft 10 has a suspension connected to the vehicle 1 body. 20 is fixedly installed.

이때, 상기 링크축(10)의 일측과 타측은 수평으로 형성되고, 상기 링크축(10)의 일측과 타측 사이는 경사지게 형성되는 것이 바람직하다.At this time, one side and the other side of the link shaft 10 is formed horizontally, it is preferable that the one side and the other side of the link shaft 10 is formed to be inclined.

이로 인하여 상기 링크프레임(14)과 상기 링크축(10)이 벌어지게 형성됨으로써 상기 서스펜션(20)에 의한 신축(storke)이 일어날 경우 상기 링크축(10)이 상기 서스펜션(20)의 신축(storke)에 의해 하강하게 되더라도 상기 링크프레임(14)과 맞닿지 않게 되는 것이다.As a result, when the link frame 14 and the link shaft 10 are formed to expand, when the stretch occurs due to the suspension 20, the link shaft 10 expands and contracts the suspension 20. Even if it is lowered by) will not be in contact with the link frame (14).

또한, 상기 제1바퀴(2a)와 상기 제2바퀴(2b)가 상기 서스펜션(20)이 연결된 각각의 링크축(10)에 독립적으로 고정 설치됨으로써 상기 자동차(1)가 방향전환시 또는 급선회시에 상기 제1바퀴(2a)와 상기 제2바퀴(2b)에 연결된 상기 서스펜션(20)이 각각 독립적으로 신축(stroke)되게 되는 것이다.In addition, the first wheel 2a and the second wheel 2b are independently fixed to each link shaft 10 to which the suspension 20 is connected, so that the vehicle 1 changes direction or suddenly turns. In this case, the suspension 20 connected to the first wheel 2a and the second wheel 2b are each independently stroked.

즉, 상기 도 2에 도시된 바와 같이 상기 자동차(1)가 주행중 상기 제1바퀴(2a)가 위치하는 방향으로 선회할 경우 상기 제1바퀴(2a)에 연결된 상기 서스펜션(20)이 신축(stroke)되게 되지만, 이와 반대로 상기 제2바퀴(2b)에 연결된 상기 서스펜션(20)은 신축(stroke)되지 않고 독립적으로 구동되게 됨으로써 상기 제2바퀴(2b)가 지면으로부터 들리게되는 쏠림현상을 방지할 수 있게 되는 것이다.That is, as shown in FIG. 2, when the vehicle 1 turns in the direction in which the first wheel 2a is located while driving, the suspension 20 connected to the first wheel 2a is stretched. On the contrary, the suspension 20 connected to the second wheel 2b is driven independently without being stretched to prevent the second wheel 2b from being lifted from the ground. Will be.

한편, 상기 링크프레임(14) 하부면에는 양측 끝단부가 상기 자동차(1)의 몸체와 연결된 베어링(30)에 결합되는 회전축(40)이 일체로 구성되거나 상기 링크프 레임(14)의 전면과 후면에 양측 끝단부가 상기 자동차(1)의 몸체와 연결된 베어링(30)에 결합되는 회전축(40)이 각각 구성되는 것이 바람직하다.On the other hand, the lower surface of the link frame 14 is composed of a rotary shaft 40, the both ends of which are coupled to the bearing 30 connected to the body of the vehicle 1 is integrally formed or the front and rear of the link frame 14 It is preferable that both ends of the rotary shaft 40 is coupled to the bearing 30 is connected to the body of the vehicle 1, respectively.

즉, 상기 제1바퀴(2a)와 상기 제2바퀴(2b)가 고정된 상기 링크축(10)의 끝단부가 표면에 상기 링크부싱(12)이 설치된 상기 링크프레임(14)과 체결구(13)에 의해 일체로 형성됨으로써 상기 링크프레임(14) 하부면에 일체로 형성된 회전축이 상기 자동차(1)의 몸체에 고정된 베어링(30)에 결합되어 상기 자동차(1)가 고르지 못한 노면에서의 주행시 상기 링크프레임(14)이 좌, 우로 유동될 수 있게 되는 것이다.That is, the link frame 14 and the fastener 13 in which the link bushing 12 is installed on the surface of the end of the link shaft 10 on which the first wheel 2a and the second wheel 2b are fixed. When the vehicle 1 is driven on an uneven road because the rotating shaft integrally formed with the lower surface of the link frame 14 is coupled to the bearing 30 fixed to the body of the vehicle 1 by being integrally formed by The link frame 14 will be able to flow left and right.

이로 인하여 상기 자동차(1)가 고르지 못한 노면에서의 주행시 상기 링크프레임(14)이 좌, 우로 구동됨과 동시에 상기 제1바퀴(2a)와 상기 제2바퀴(2b)에 각각 연결된 상기 서스펜션(20)이 독립적으로 상, 하 신축(stroke)되게 되는 것이다.As a result, when the vehicle 1 is driven on an uneven road, the link frame 14 is driven left and right, and the suspension 20 connected to the first wheel 2a and the second wheel 2b, respectively. This independently strokes up and down.

즉, 상기 도 3에 도시된 바와 같이 상기 자동차(1)가 고르지 못한 노면에서의 주행시 제2바퀴(2b)가 위치하는 부분의 노면이 불규칙하게 돌출된 경우 상기 링크프레임(14) 하부면에 일체로 형성된 회전축(40)이 우측으로 회전됨과 동시에 상기 제1바퀴(2a)와 상기 제2바퀴(2b)에 연결된 각각의 링크축(10)이 독립적으로 고정 설치됨으로써 상기 제2바퀴(2b)에 연결된 상기 서스펜션(20)만이 신축(stroke)되게 되는 것이다. That is, as shown in FIG. 3, when the road surface of the portion where the second wheel 2b is located is irregularly protruded when the vehicle 1 runs on an uneven road surface, the link frame 14 is integrally formed on the lower surface of the link frame 14. Rotating shaft 40 is formed to rotate to the right and at the same time each link shaft 10 connected to the first wheel (2a) and the second wheel (2b) is independently fixed to the second wheel (2b) Only the connected suspension 20 is to be stretched.

이와 반대로 상기 제1바퀴(2a)의 노면이 불규칙하게 돌출된 경우 상기 링크프레임(14) 하부면에 일체로 형성된 회전축(40)이 좌측으로 회전됨과 동시에 상기 제1바퀴(2a)와 상기 제2바퀴(2b)에 연결된 각각의 링크축(10)이 독립적으로 고정 설치됨으로써 상기 제1바퀴(2a)에 연결된 상기 서스펜션(20)만이 신축(stroke)되게 되는 것이다.On the contrary, when the road surface of the first wheel 2a is irregularly protruded, the rotating shaft 40 integrally formed on the lower surface of the link frame 14 is rotated to the left and the first wheel 2a and the second wheel are rotated to the left. Each link shaft 10 connected to the wheel 2b is fixedly installed so that only the suspension 20 connected to the first wheel 2a is stroked.

이로 인하여 상기 자동차(1)는 평행 또는 수평이 유지됨으로써 차량의 승차감과 안정성을 확보할 수 있음은 물론 상기 자동차(1)의 좌, 우 요동 및 상, 하 요동에 의한 진동 및 충격이 자동차 및 운전자와 승차자 그리고, 화물 등에 직접적으로 전달되지 않음으로써 안전운전을 지속할 수 있게 되는 것이다.As a result, the vehicle 1 may be maintained in parallel or horizontally to ensure a ride comfort and stability of the vehicle, as well as vibrations and shocks caused by the left, right, and up and down swings of the vehicle 1. By not being delivered directly to passengers, passengers, and cargo, safe driving can be continued.

이때, 상기 회전축(40)이 결합되는 상기 베어링(30)은 상기 회전축(40)이 일정 각도 이상을 벋어나지 않도록 제한된 범위내에서의 회전이 될 수 있도록 구성되는 것이 바람직하다.In this case, the bearing 30 to which the rotary shaft 40 is coupled is preferably configured to be a rotation within a limited range so that the rotary shaft 40 does not deviate more than a predetermined angle.

도 4는 본 발명에 따른 자동차용 현가장치에 대한 제 2실시예를 도시한 사시도이다.4 is a perspective view showing a second embodiment of a suspension device for a vehicle according to the present invention.

도 4를 참조하여 보면, 자동차의 현가장치(3)는 링크축(10)의 양측 끝단부가 각각 링크부싱(12)에 고정되고, 상기 링크축(10)의 정 중앙부가 뒷바퀴(2)에 각각 연결되도록 구성된다.Referring to FIG. 4, both ends of the link shaft 10 are fixed to the link bushing 12, and the center portion of the link shaft 10 is fixed to the rear wheel 2, respectively. It is configured to be connected.

이때, 상기 링크축(10)은 "ㄷ"자 형상의 모양으로 형성되되, 상기 링크축(10)의 양 끝단부와 상기 뒷바퀴(2)가 연결되는 정 중앙부는 수평이 되도록 하여 상기 링크축(10)의 정 중앙부와 상기 링크축(10)의 끝단부 사이가 경사지게 형성되는 것이 바람직하다.At this time, the link shaft 10 is formed in the shape of the "c" shape, the center portion where both ends of the link shaft 10 and the rear wheel 2 is connected so that the link shaft ( It is preferable that the center between the center of the 10 and the end of the link shaft 10 is formed to be inclined.

특히, 상기 링크축(10)의 정 중앙부에는 상기 뒷바퀴(2)가 결합될 수 있도록 하기 위한 결합부재(15)가 설치되는 것이 더 바람직하다.In particular, it is more preferred that the coupling member 15 is installed at the center of the link shaft 10 to allow the rear wheel 2 to be coupled thereto.

이로 인하여 상기 뒷바퀴(2)와 상기 링크축(10)이 안정적으로 결합될 수 있음은 물론 상기 자동차(1)가 주행중 급선회시나 방향전환시 또는 표면이 고르지 못한 도로주행시 자동차의 상, 하 요동 및 좌, 우 요동에 의한 진동 및 충격이 상기 링크축(10)의 양 끝단부로 나뉘어 분산될 수 있게 되는 것이다.As a result, the rear wheel 2 and the link shaft 10 can be stably coupled, as well as when the vehicle 1 is in a sharp turn or a change of direction while driving or when driving on an uneven road surface. Vibration and impact due to the right swing may be divided into both ends of the link shaft 10 to be dispersed.

이상에서 설명한 것은 본 발명에 따른 자동차용 현가장치를 실시하기 위한 실시예에 불과한 것으로서, 본 발명은 상기한 실시예에 한정되지 않고, 이하의 특허청구범위에서 청구하는 바와 같이 본 발명의 요지를 벗어남이 없이 당해 발명이 속하는 분야에서 통상의 지식을 가진 자라면 누구든지 다양한 변경 실시가 가능한 범위까지 본 발명의 기술적 정신이 있다고 할 것이다.What has been described above is merely an embodiment for implementing the vehicle suspension apparatus according to the present invention, the present invention is not limited to the above-described embodiment, it departs from the gist of the present invention as claimed in the following claims Without this, anyone skilled in the art to which the present invention pertains will have the technical spirit of the present invention to the extent that various modifications can be made.

도 1a, 1b는 본 발명에 따른 자동차용 현가장치에 대한 제 1실시예를 도시한 사시도 및 정면도이다.1A and 1B are a perspective view and a front view showing a first embodiment of a suspension device for a vehicle according to the present invention.

도 2 및 도 3은 본 발명에 따른 자동차용 현가장치에 대한 제 1실시예의 작동상태를 도시한 사용 상태도이다.2 and 3 is a state diagram showing the operating state of the first embodiment of the suspension device for a vehicle according to the present invention.

도 4는 본 발명에 따른 자동차용 현가장치에 대한 제 2실시예를 도시한 사시도이다.4 is a perspective view showing a second embodiment of a suspension device for a vehicle according to the present invention.

*도면의 주요 부분에 대한 부호의 설명** Description of the symbols for the main parts of the drawings *

1 : 자동차 2 : 뒷바퀴1: car 2: rear wheel

2a : 제1바퀴 2b : 제2바퀴2a: first wheel 2b: second wheel

3 : 현가장치 10 : 링크축3: suspension 10: link axis

11 : 링크브라켓 12 : 링크부싱11: link bracket 12: link bushing

13 : 체결구 14 : 링크프레임 13: fastener 14: link frame

20 : 서스펜션 30 : 베어링 20: suspension 30: bearing

40 : 회전축40: rotation axis

Claims (4)

자동차용 현가장치에 있어서,In the automobile suspension system, 상기 자동차용 현가장치(3)는 자동차(1)의 뒷바퀴에 고정 설치되는 한 쌍의 링크축(10)과;The vehicle suspension device 3 includes a pair of link shafts 10 fixed to the rear wheel of the vehicle 1; 일측은 상기 링크축(10) 상부에 고정되고 타측은 상기 자동차(1) 몸체에 고정되는 한 쌍의 서스펜션(20)과;A pair of suspensions 20, one side of which is fixed to the link shaft 10 and the other side of which is fixed to the body of the vehicle 1; 상부면에 링크브라켓(11)이 설치되고, 상기 링크브라켓(11) 상부에 상기 링크축(10)의 끝단부가 고정되는 한 쌍의 링크부싱(12)이 설치되어 체결구(13)에 의해 상기 링크축(10)과 일체로 결합되는 링크프레임(14)으로 구성되되;The link bracket 11 is installed on the upper surface, and a pair of link bushings 12 are installed on the link bracket 11 to fix the end portions of the link shafts 10 to the fasteners 13. Composed of a link frame 14 integrally coupled with the link shaft 10; 상기 링크축(10)의 일측과 타측은 수평으로 형성되고, 상기 링크축(10)의 일측과 타측 사이에는 경사지게 형성되는 것을 특징으로 하는 자동차용 현가장치.One side and the other side of the link shaft 10 is formed horizontally, the suspension device for automobiles, characterized in that formed inclined between one side and the other side of the link shaft (10). 자동차용 현가장치에 있어서,In the automobile suspension system, 상기 자동차용 현가장치(3)는 양측 끝단부가 각각 링크부싱(12)에 고정되고 정 중앙부가 상기 자동차(1)의 뒷바퀴(2)에 연결되는 한 쌍의 링크축(10)과;The vehicle suspension device (3) includes a pair of link shafts (10) having both ends fixed to the link bushings (12) and a central portion thereof connected to the rear wheels (2) of the vehicle (1); 일측은 상기 링크축(10) 상부에 고정되고 타측은 상기 자동차(1) 몸체에 고정되는 한 쌍의 서스펜션(20)과;A pair of suspensions 20, one side of which is fixed to the link shaft 10 and the other side of which is fixed to the body of the vehicle 1; 상부면에 링크브라켓(11)이 설치되고, 상기 링크브라켓(11) 전후면 상부에 상기 링크축(10)의 끝단부가 고정되는 한 쌍의 링크부싱(12)이 설치되어 체결구(13)에 의해 상기 링크축(10)과 일체로 결합되는 링크프레임(14)으로 구성되되;A link bracket 11 is installed on the upper surface, and a pair of link bushings 12 are installed on the front and rear surfaces of the link bracket 11 to fix the end portions of the link shafts 10 to the fasteners 13. Consists of a link frame 14 is integrally coupled with the link shaft 10; 상기 링크축(10)의 일측과 타측은 수평으로 형성되고, 상기 링크축(10)의 일측과 타측 사이에는 경사지게 형성되는 것을 특징으로 하는 자동차용 현가장치.One side and the other side of the link shaft 10 is formed horizontally, the suspension device for automobiles, characterized in that formed inclined between one side and the other side of the link shaft (10). 제 1항에 또는 제 2항에 있어서,The method according to claim 1 or 2, 상기 링크프레임(14) 하부면에는 양측 끝단부가 상기 자동차(1)의 몸체와 연결된 베어링(30)에 결합되는 회전축(40)이 일체로 구성되는 것을 특징으로 하는 자동차용 현가장치.Suspension device for a vehicle, characterized in that the lower end of the link frame 14, the rotating shaft 40 is coupled to both ends are coupled to the bearing 30 is connected to the body of the vehicle (1). 제 1항 또는 제 2항에 있어서,The method according to claim 1 or 2, 상기 링크프레임(14)의 전면과 후면에는 양측 끝단부가 상기 자동차(1)의 몸체와 연결된 베어링(30)에 결합되는 회전축(40)이 각각 구성되는 것을 특징으로 하는 자동차용 현가장치.Suspension device for the vehicle, characterized in that the front and rear of the link frame 14 is configured with a rotating shaft 40, both ends are coupled to the bearing 30 is connected to the body of the vehicle (1).
KR1020090116095A 2009-11-27 2009-11-27 A suspension apparatus for vehicle Expired - Fee Related KR100968170B1 (en)

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KR1020090116095A KR100968170B1 (en) 2009-11-27 2009-11-27 A suspension apparatus for vehicle
PCT/KR2009/007610 WO2011065620A1 (en) 2009-11-27 2009-12-18 Vehicle suspension device

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KR101244535B1 (en) 2011-01-19 2013-03-18 대흥중공업 주식회사 Independence type suspention system of cargo vehicles for load

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KR20030097764A (en) * 2003-12-03 2003-12-31 허은성 Photo Balloon
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