KR100471830B1 - suspension system of car - Google Patents

suspension system of car Download PDF

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Publication number
KR100471830B1
KR100471830B1 KR10-2002-0021519A KR20020021519A KR100471830B1 KR 100471830 B1 KR100471830 B1 KR 100471830B1 KR 20020021519 A KR20020021519 A KR 20020021519A KR 100471830 B1 KR100471830 B1 KR 100471830B1
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KR
South Korea
Prior art keywords
stabilizer
vehicle
spring member
vehicle body
lower side
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KR10-2002-0021519A
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Korean (ko)
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KR20030083111A (en
Inventor
이용수
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현대자동차주식회사
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Priority to KR10-2002-0021519A priority Critical patent/KR100471830B1/en
Publication of KR20030083111A publication Critical patent/KR20030083111A/en
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Publication of KR100471830B1 publication Critical patent/KR100471830B1/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
    • B60G21/055—Stabiliser bars
    • B60G21/0551—Mounting means therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
    • B60G11/26—Resilient suspensions characterised by arrangement, location or kind of springs having fluid springs only, e.g. hydropneumatic springs
    • B60G11/27—Resilient suspensions characterised by arrangement, location or kind of springs having fluid springs only, e.g. hydropneumatic springs wherein the fluid is a gas
    • 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
    • B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/10—Type of spring
    • B60G2202/15—Fluid spring
    • B60G2202/152—Pneumatic spring
    • 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
    • B60G2206/40—Constructional features of dampers and/or springs
    • B60G2206/42—Springs
    • B60G2206/427—Stabiliser bars or tubes

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

Abstract

본 발명은 차량의 요철 주행시 스테빌라이저에 작용되는 리바운딩력을 탄성 복원력으로 제어할 수 있도록 한 차량의 현가장치에 관한 것으로, 그 구성은 차체 프레임의 하측에 설치되며 차체의 측면 흔들림을 억제하기 위한 스테빌라이저에 전달되는 리바운딩력에 대한 탄성 복원력을 갖는 스프링부재가 설치되고, 그 스프링부재의 타단부에 결합되고 스테빌라이저의 하측면과 면 접촉되는 지지대를 구비하여 된 것이다.The present invention relates to a suspension of a vehicle to control the rebounding force acting on the stabilizer during the uneven driving of the vehicle by the elastic restoring force, the configuration is installed on the lower side of the body frame and to stabilize the lateral shaking of the vehicle body A spring member having an elastic restoring force for the rebounding force transmitted to the riser is installed, and is provided with a support coupled to the other end of the spring member and in surface contact with the lower side of the stabilizer.

그 스프링부재는 일단부가 스테빌라이저의 축 외주면에 권회된 상태에서 차체 프레임에 고정 결합되고, 타단부는 지지대에 볼트가 관통 체결되어 결합되는 구조를 갖는다.The spring member has a structure in which one end is fixedly coupled to the vehicle body frame in a state in which the stabilizer is wound on the outer circumferential surface of the stabilizer, and the other end is coupled by penetrating and fastening the bolt to the support.

이에 따르면, 본 발명은 차량의 요철 주행시에도 하방향의 리바운딩력을 스프링부재의 탄성력으로 완충시켜 에어 스프링의 이탈을 방지할 수 있는 효과를 갖는다.According to this, the present invention has the effect of preventing the departure of the air spring by buffering the rebounding force of the downward direction with the elastic force of the spring member even during uneven driving of the vehicle.

Description

차량의 현가장치{suspension system of car}Suspension system of car

본 발명은 차량의 현가장치에 관한 것으로, 특히 에어 스프링이 채용된 버스등의 대형차량에서 리바운드시 에어스프링의 이탈을 방지하도록 개량된 차량의 현가장치에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a suspension of a vehicle, and more particularly to a suspension of a vehicle that is improved to prevent separation of the air spring upon rebound in a large vehicle such as a bus employing an air spring.

일반적으로, 차량의 현가장치에서 섀시 스프링은 차체와 차륜을 지지하고 있는 차축 사이에 설치되어, 주행중 노면으로부터 전달되는 충격과 타이어측의 진동을 흡수하여 차체로 전달되지 않도록 한 기계부품으로, 이 섀시 스프링은 크게 겹판스프링(leaf spring), 코일스프링, 및 에어스프링등으로 대별된다.In general, in a vehicle suspension system, the chassis spring is installed between the vehicle body and the axle supporting the wheels, and is a mechanical component that absorbs the shock transmitted from the road surface and the vibration on the tire side so as not to be transmitted to the vehicle body. Springs are roughly divided into leaf springs, coil springs, and air springs.

그중 버스등의 대형차량에서 사용되는 에어스프링은 차량의 진동을 댐핑해주는 기능을 갖는 것으로, 버스의 프레임 저부와 액슬축 상면 사이에 위치하며 그 사이에 스페이서등이 개재 설치되는 구조를 갖는다.Among them, the air spring used in a large vehicle such as a bus has a function of damping the vibration of the vehicle, and is located between the bottom of the frame of the bus and the upper surface of the axle shaft, and a spacer is interposed therebetween.

그 에어스프링은 그 형상에 따라 벨로즈형, 다이어프램형, 복합형등으로 대별되며, 그중 벨로즈형의 일예로는 도 4a에 도시된 바와 같이, 차체 프레임에 어퍼플레이트(12)가 체결 고정되고, 그 어퍼플레이트(12)의 하측에 에어 벨로우즈(14)가 결합되며, 그 에어 벨로우즈(14)의 하측에 범퍼스톱퍼(15) 및 피스톤(16)이 결합되는 구조로 되어 있다.The air spring is divided into a bellows type, a diaphragm type, a complex type, etc. according to the shape thereof, and as an example of the bellows type, the upper plate 12 is fastened and fixed to the vehicle body frame as shown in FIG. The air bellows 14 is coupled to the lower side of the upper plate 12, and the bumper stopper 15 and the piston 16 are coupled to the lower side of the air bellows 14.

그런데, 위의 에어스프링은 버스의 뒤부분에 엔진이 장착되어 앞부분보다 하중이 무거우므로, 속도방지턱등의 요철을 과속으로 통과할 때 리바운딩시 힘을 제어하지 못하여 자체 씰링되도록 연결된 부위(에어 벨로우즈(14)와의 결합부위)가 상호 이탈될 우려가 있다.However, the upper air spring is mounted on the rear part of the bus, so that the load is heavier than the front part. Therefore, the air spring does not control the force when rebounding when passing through unevenness such as speed bumps. There is a fear that the engagement with (14) may deviate from each other.

한편, 다이어프램형 에어스프링의 경우, 도 4b에 도시된 바와 같이, 에어 벨로우즈(14)와 어퍼플레이트(12)의 연결부위 형상이 내측으로 굴곡지게 말려진 컬링(curling)형상으로 형성되어 이탈이 방지되는 구조로 되어 있으나, 이 역시 장기간 사용하게 되면 충격에 의해 연결부위가 분리되며, 이때 에어 벨로우즈(14)만 교환이 불가하여 에어스프링 어셈블리 전체를 교환하여야 하는 단점이 있었다.On the other hand, in the case of the diaphragm-type air spring, as shown in Figure 4b, the shape of the connection portion of the air bellows 14 and the upper plate 12 is formed in a curling (curling) shape to be bent inward to prevent separation However, this is also a long time use, this is also a long-term use, the connection is separated by the impact, at this time there was a disadvantage that only the air bellows 14 can not be replaced, the entire air spring assembly must be replaced.

상기한 종래 에어스프링이 사용되는 차량의 뒤 현가장치는 주행중의 리바운딩시 에어스프링이 이탈되거나, 잦은 부품 교환으로 인한 비용 부담의 문제점이 있었다.The rear suspension of a vehicle in which the conventional air spring is used has a problem in that the air spring is released during rebounding while driving or a cost burden due to frequent parts replacement.

본 발명은 상기한 제반문제점을 감안하여 이를 해결하고자 안출된 것으로, 그 목적은 요철 주행중의 리바운딩시 좌,우 리바운딩력을 탄성 복원력으로 제어할 수 있도록 하여 에어 스프링의 이탈을 방지하기 위한 차량의 현가장치를 제공하는 데 있다.The present invention has been made in view of the above-mentioned problems, and its object is to allow the left and right rebounding force to be controlled by elastic restoring force during rebounding during uneven driving, thereby suspending the vehicle spring To provide a device.

상기한 목적을 달성하기 위한 본 발명은 차체의 하측에 설치되어 노면으로부터의 충격을 완화하기 위한 에어 스프링과, 상기 차체의 측면 요동을 방지하기 위한 스테빌라이저등을 구비하여 된 차량의 현가장치에 있어서, 상기 스테빌라이저의 외주면에 권회되도록 일단이 차체 프레임에 지지되는 스프링부재와, 상기 스프링부재의 타단에 결합되고 상기 스테빌라이저의 하측면에 면 접촉되도록 지지되는 지지대를 구비하여 된 것을 특징으로 한다.The present invention for achieving the above object is provided in the suspension of the vehicle provided with an air spring to be installed on the lower side of the vehicle body to mitigate the impact from the road surface, stabilizers, etc. to prevent side fluctuation of the vehicle body And a spring member whose one end is supported by the vehicle body frame so as to be wound around the outer circumferential surface of the stabilizer, and a support that is coupled to the other end of the spring member and is supported to be in surface contact with the lower side of the stabilizer.

본 발명의 다른 특징은 상기 지지대는 상기 스테빌라이저의 하측면과 면 접촉되는 부위에 완충패드가 설치된 것이다.Another feature of the present invention is that the support pad is provided with a buffer pad in the surface contacting the lower side of the stabilizer.

이하, 본 발명의 바람직한 실시예를 첨부된 도면을 참조하여 상세히 설명하면 다음과 같다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

본 발명에 따른 차량의 현가장치(100)는, 도 1 및 도 2를 참조, 차체 하측에 설치되며 차체의 측면 흔들림을 억제하기 위한 스테빌라이저(210)에 상,하 방향의 탄성 복원력을 갖는 스프링부재(110)가 설치되고, 그 스프링부재(110)의 타단부에 결합되고 스테빌라이저(210)의 하측면과 면 접촉되는 지지대(120)를 구비하여 된 것이다.Suspension device 100 of the vehicle according to the present invention, a spring having an elastic restoring force in the up and down direction on the stabilizer 210 for suppressing the side shake of the vehicle body is installed on the lower side of the vehicle, referring to FIGS. The member 110 is installed, and is provided with a support 120 coupled to the other end of the spring member 110 and in surface contact with the lower surface of the stabilizer 210.

더 자세히 설명하면, 스프링부재(110)는 일단부가 스테빌라이저(210)의 축 외주면에 적어도 1회이상 권회된 상태에서 차체 프레임(500)에 고정 결합되고, 타단부는 지지대(120)에 볼트(140)가 관통 체결되어 결합되는 구조를 갖는다.In more detail, the spring member 110 is fixedly coupled to the vehicle body frame 500 in a state where one end is wound at least once on the outer circumferential surface of the stabilizer 210, and the other end is bolt 140 to the support 120. ) Has a structure in which the through coupling is coupled.

즉, 스프링부재(110)의 일단부는 차체 프레임(500)에 브라켓(130)으로 고정 지지되는데, 그 브라켓(130)은 대략적인 형상이 "U"로서, 차체 프레임(500)에 용접등의 방법으로 일체 결합되며, 스프링부재(110)의 단부가 브라켓(130)과 프레임(500)과의 틈새 사이로 삽입되어 지지되는 구조를 갖는다.That is, one end of the spring member 110 is fixedly supported by the bracket 130 to the vehicle body frame 500, the bracket 130 has a rough shape of "U", such as welding to the vehicle body frame 500 It is integrally coupled to, the end of the spring member 110 has a structure that is inserted and supported between the gap between the bracket 130 and the frame 500.

그리고, 지지대(120)는 일측이 개구되고, 그 개구된 부위에 스프링부재(110)의 타단부가 삽입된 상태에서 볼트(140)가 관통되어 그 하측에서 너트(145)로 체결되는 구조를 갖는다.In addition, the support 120 has a structure in which one side is opened and the bolt 140 penetrates through the bolt 140 in a state where the other end of the spring member 110 is inserted into the opened portion. .

그 스프링부재(110)는 일단부가 평평하게 단조가공되고, 볼트(140)가 관통되도록 결합공(112)이 형성되어 있으며, 지지대(120)는 결합공(112)에 대응되는 체결공(122)이 각각 형성되어 있다.The spring member 110 is forged to one end flat, the coupling hole 112 is formed so that the bolt 140 is penetrated, the support 120 is a fastening hole 122 corresponding to the coupling hole 112 These are formed, respectively.

또한, 지지대(120)는 그 타측이 스테빌라이저(210)의 외경에 대응되도록 라운딩지도록 만곡 형성되어 있으며, 그 상면에 스테빌라이저(210)와의 접촉을 위해 고무재질의 완충패드(125)가 설치되어 있다.In addition, the support 120 is curved so that the other side is rounded so as to correspond to the outer diameter of the stabilizer 210, and a buffer pad 125 made of rubber material is installed on the upper surface thereof so as to contact the stabilizer 210. have.

미 설명부호 "310"은 상,하 레디어스 로드를 각각 나타낸 것이다.Unexplained reference numeral "310" indicates the upper and lower radial rods, respectively.

이러한 구성을 갖는 본 발명의 작용은 다음과 같다.The operation of the present invention having such a configuration is as follows.

차량이 요철 도로를 주행하여 스테빌라이저(210)에 리바운딩력이 작용하게 될 경우, 스테빌라이저(210)의 하측에 권회된 스프링부재(110)에 하중이 전달되며, 스프링부재(110)에 탄성 복원력이 작용하게 된다.When the vehicle travels on the uneven road and the rebounding force is applied to the stabilizer 210, the load is transmitted to the spring member 110 wound on the lower side of the stabilizer 210, and the elastic restoring force is applied to the spring member 110. This will work.

이때, 스프링부재(110)는 일단이 차체 프레임(500)에 고정 결합되고, 타단이 지지대(120)에 의해 스테빌라이저(210)의 하측면을 지지하고 있으므로, 스테빌라이저(210)에 작용하는 리바운딩력을 완충 및 감쇠시키게 된다.In this case, one end of the spring member 110 is fixedly coupled to the vehicle body frame 500, and the other end supports the lower side of the stabilizer 210 by the support 120, and thus, rebounding acting on the stabilizer 210. Force and damp the force.

스프링부재(110)의 단부에 고정된 지지대(120)는 범핑(BUMPING)시 스테빌라이저(210)의 하측면과 이격되고, 리바운딩(REBOUNDING)시에는 스테빌라이저(210)의 하측면에 밀착된다.The support 120 fixed to the end of the spring member 110 is spaced apart from the lower side of the stabilizer 210 during bumping, and in close contact with the lower side of the stabilizer 210 during rebound.

즉, 스프링부재(110)는 차체의 범핑시에는 아무런 기능을 갖지 못하며, 리바운딩시에만 스테빌라이저(210)에 작용하는 하중을 전달받아 탄성력으로 리바운딩력을 제어하게 된다.That is, the spring member 110 does not have any function during bumping of the vehicle body, and receives the load acting on the stabilizer 210 only when rebounding to control the rebounding force with elastic force.

즉, 차량의 리바운딩시 스테빌라이저(210)의 하 방향 이동량을 제한하는 것으로, 그 제한 정도는 스프링부재(110)의 강성, 탄성계수, 권회회수에 따라 가변될 수 있다.That is, by limiting the amount of downward movement of the stabilizer 210 during the rebounding of the vehicle, the degree of restriction may vary depending on the stiffness, elastic modulus, number of turns of the spring member 110.

이상 설명한 바와 같이 본 발명은, 리바운딩시 스테빌라이저의 하방향 거동을 탄성적으로 제한함으로써 에어 스프링의 이탈을 방지할 수 있게 되는 효과가 있다.As described above, the present invention has an effect of preventing the air spring from being separated by elastically restricting the downward behavior of the stabilizer during rebound.

도 1은 본 발명에 따른 차량의 현가장치를 나타낸 구성도.1 is a block diagram showing a suspension of a vehicle according to the present invention.

도 2는 도 1의 설치상태를 나타낸 평면도.2 is a plan view showing the installation state of FIG.

도 3은 본 발명의 사용상태를 나타낸 측면도로서,3 is a side view showing a state of use of the present invention,

도 3a,b는 범핑시와 리바운딩시의 상태를 각각 나타낸 것이다.3A and 3B show states during bumping and rebounding, respectively.

도 4a,b는 종래 차량의 현가장치의 에어스프링들을 각각 나타낸 단면도이다.4A and 4B are cross-sectional views illustrating air springs of a suspension of a conventional vehicle, respectively.

* 도면의 주요부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings

110 : 스프링부재 120 : 지지대110: spring member 120: support

125 : 완충패드 130 : 브라켓125: buffer pad 130: bracket

210 : 스테빌라이저 410 : 에어 스프링210: Stabilizer 410: Air Spring

500 : 차체 프레임500 bodywork frame

Claims (2)

차체 프레임(500)의 하측에 설치되어 노면으로부터의 충격을 완화하기 위한 에어 스프링과, 상기 차체 프레임(500)의 측면 요동을 방지하기 위한 스테빌라이저(210)등을 구비하여 된 차량의 현가장치에 있어서, On the suspension of the vehicle is provided on the lower side of the vehicle body frame 500 and provided with an air spring for mitigating the impact from the road surface, stabilizer 210, etc. to prevent the side swing of the vehicle body frame 500 In 상기 스테빌라이저(210)의 외주면에 권회되도록 일단이 차체 프레임(500)에 지지되는 스프링부재(110)와, A spring member 110 having one end supported by the vehicle body frame 500 so as to be wound around the outer circumferential surface of the stabilizer 210, 상기 스프링부재(110)의 타단에 결합되고 상기 스테빌라이저(210)의 하측면에 면 접촉되도록 지지되는 지지대(120)를 구비하여 된 것을 특징으로 하는 차량의 현가장치.Suspension device of the vehicle characterized in that it is provided with a support (120) is coupled to the other end of the spring member 110 and supported so as to be in surface contact with the lower side of the stabilizer (210). 제 1항에 있어서, 상기 지지대(120)는 상기 스테빌라이저(210)의 하측면과 면 접촉되는 부위에 완충패드(125)가 설치된 것을 특징으로 하는 차량의 현가장치.According to claim 1, wherein the support (120) is a suspension device of a vehicle, characterized in that the shock absorbing pad (125) is installed on the surface contacting the lower surface of the stabilizer (210).
KR10-2002-0021519A 2002-04-19 2002-04-19 suspension system of car KR100471830B1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020153681A2 (en) * 2019-01-26 2020-07-30 장순길 Stabilizer for vehicle
KR102213288B1 (en) * 2019-01-26 2021-02-05 장순길 Stabilizer for vehicle

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59179415A (en) * 1983-03-30 1984-10-12 Hino Motors Ltd Stabilizer employable for automobile
KR970028635U (en) * 1995-12-28 1997-07-24 Stabilizer
KR970061167U (en) * 1996-05-16 1997-12-10 Stabilizer structure
KR19980052266U (en) * 1996-12-31 1998-10-07 박병재 Variable Structure of Automobile Stabilizer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59179415A (en) * 1983-03-30 1984-10-12 Hino Motors Ltd Stabilizer employable for automobile
KR970028635U (en) * 1995-12-28 1997-07-24 Stabilizer
KR970061167U (en) * 1996-05-16 1997-12-10 Stabilizer structure
KR19980052266U (en) * 1996-12-31 1998-10-07 박병재 Variable Structure of Automobile Stabilizer

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