KR100461608B1 - Structure for preventing roll suspension system of shaft of vehicle - Google Patents

Structure for preventing roll suspension system of shaft of vehicle Download PDF

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Publication number
KR100461608B1
KR100461608B1 KR10-2002-0067364A KR20020067364A KR100461608B1 KR 100461608 B1 KR100461608 B1 KR 100461608B1 KR 20020067364 A KR20020067364 A KR 20020067364A KR 100461608 B1 KR100461608 B1 KR 100461608B1
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KR
South Korea
Prior art keywords
vehicle
roll
axle housing
axle
vehicle body
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KR10-2002-0067364A
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Korean (ko)
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KR20040038429A (en
Inventor
김진욱
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기아자동차주식회사
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Priority to KR10-2002-0067364A priority Critical patent/KR100461608B1/en
Publication of KR20040038429A publication Critical patent/KR20040038429A/en
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Publication of KR100461608B1 publication Critical patent/KR100461608B1/en

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Classifications

    • 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
    • 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
    • B60G9/04—Resilient suspensions of a rigid axle or axle housing for two or more wheels the axle or housing not being pivotally mounted on the vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2600/00—Indexing codes relating to particular elements, systems or processes used on suspension systems or suspension control systems
    • B60G2600/07—Inhibiting means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2800/00—Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
    • B60G2800/01—Attitude or posture control
    • B60G2800/012—Rolling condition
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts

Abstract

차량의 차축 현가장치에서 단순한 구조의 비틀림 부재를 결합하여 차체 측과 스프링 하부의 상대적인 롤 회전량이 직접적으로 비틀림 부재를 비틀리게 하여 롤 현상을 억제하도록 된 차량용 차축 현가장치의 롤 방지 구조가 개시된다.A roll preventing structure of a vehicle axle suspension device is disclosed in which a torsional member of a simple structure is coupled in a vehicle axle suspension device so that a relative roll rotation amount of the vehicle body side and the lower part of a spring directly twists the torsional member to suppress a roll phenomenon.

종래의 차축 현가장치에서 차축 하우징 및 차체에 결합되는 스테이빌라이저가 구비됨에 따라 롤링의 억제량이 미미하여 승차감이 저하되고, 형상이 복잡하고 선경이 크게되어 내구성이 저하되고 코스트가 상승되는 등의 문제점들을 해결하기 위하여, 차축 하우징을 갖는 차량에 있어서, 상기 차축 하우징(20)에는 유니버셜 조인트(42)를 갖는 결합 부재(40)가 장착되고, 상기 결합 부재(40)에는 타단이 차체에 고정되는 스플라인부(31)를 갖는 비틀림 부재(30)가 스플라인 결합된 것을 특징으로 하는 차량용 차축 현가장치의 롤 방지구조가 제공된다.As a stabilizer coupled to the axle housing and the vehicle body is provided in the conventional axle suspension device, problems such as reduced riding comfort due to a small amount of rolling suppression, a complicated shape and a large diameter are reduced, durability and cost increase, etc. To this end, in a vehicle having an axle housing, the axle housing 20 is equipped with a coupling member 40 having a universal joint 42, and the coupling member 40 has a spline portion whose other end is fixed to the vehicle body ( A roll preventing structure for a vehicle axle suspension, which is characterized in that the torsion member 30 having the splice 31 is splined.

따라서, 차량의 롤 회전현상이 직접적으로 비틀림 부재에 전달되어 효율이 높아 승차감이 더욱 향상되고, 형상이 단순하고 비교적 작은 선경을 적용하여 취부구조에서 내구성이 향상됨과 아울러 코스트가 현저하게 절감되며 차량의 경량화가 가능하며, 설치에 제약을 받지 않으므로 설치가 용이하게 된다.Therefore, the roll rotation phenomenon of the vehicle is directly transmitted to the torsion member so that the efficiency is higher due to the high efficiency, and the shape is simple and a relatively small wire diameter is applied to improve the durability in the mounting structure and to significantly reduce the cost. It is possible to reduce the weight and installation is easy because the installation is not restricted.

Description

차량용 차축 현가장치의 롤 방지구조{Structure for preventing roll suspension system of shaft of vehicle}Structure for preventing roll suspension system of shaft of vehicle

본 발명은 차량용 차축 현가장치의 롤 방지구조에 관한 것으로서, 보다 상세하게는 차축에 비틀림 부재를 스플라인 결합하여 롤 현상을 억제함으로써 더욱 향상된 승차감을 얻을 수 있도록 하는 차량용 차축 현가장치의 롤 방지구조에 관한 것이다.The present invention relates to a roll preventing structure of a vehicle axle suspension device, and more particularly, to a roll preventing structure of a vehicle axle suspension device to obtain a more comfortable ride by suppressing a roll phenomenon by spline coupling a torsion member to the axle. will be.

일반적으로 차량용 현가장치는 차체 사이에 스프링을 두고 연결하여 주행할 때 차축이 노면에서 받는 진동이나 충격을 차체에 직접 전달되지 않도록 하여 차체나 화물의 손상을 방지하고 승차감을 향상시키기 위한 장치로서, 노면에서 받는 충격을 완화하는 섀시 스프링과 섀시 스프링의 자유 진동을 억제하여 승차감을 좋게 하는 쇽 업소버 및 자동차가 옆으로 흔들리는 것을 방지하는 스테이빌라이저 등으로 구성된다.In general, a vehicle suspension device is a device for preventing damage to the vehicle body or cargo and improving riding comfort by preventing the axle from directly transmitting the vibration or shock received from the road surface when the vehicle is connected with a spring between the vehicle bodies. It consists of a chassis spring that mitigates the shock from the shock absorber, a shock absorber that suppresses free vibration of the chassis spring to improve ride quality, and a stabilizer that prevents the vehicle from shaking sideways.

또한, 현가장치는 구동 바퀴에 발생하는 구동력이나 제동할 때에 각 바퀴의 제동력을 차체에 전달함과 동시에 선회할 때의 원심력에도 견디고, 각 바퀴를 차체에 대해 바른 위치로 지지하며, 이러한 역할을 수행하기 위하여 노면에서 받는 충격을 완화하기 위하여 상하 방향으로 움직일 수 있는 상태의 결합이 필요하고, 바퀴에 발생하는 구동력, 제동력 및 선회할 때의 원심력 등에 견딜 수 있도록 수평 방향으로 강한 결합이 필요하게 된다.In addition, the suspension system transmits the driving force generated on the driving wheels or the braking force of each wheel to the vehicle body at the time of braking, and withstands the centrifugal force when turning, and supports each wheel in the correct position with respect to the vehicle body, and performs this role. In order to alleviate the impact received from the road surface is required to be coupled in a state capable of moving in the up and down direction, a strong coupling in the horizontal direction is required to withstand the driving force, braking force and centrifugal force generated when turning.

종래의 현가장치에서 특히 차축 현가식은 차량의 앞 또는 뒤에 적용되는데, 이는 도 1에 도시한 바와 같이 차축 하우징(10)의 양측에 바퀴(11)(12)가 결합되고, 상기 차축 하우징(10)에는 동력을 전달하는 프로펠러 샤프트(13)가 결합되고, 상기 차축 하우징(10)에는 차량의 롤링을 억제하기 위한 "ㄷ"자 형상의 스테이빌라이저(14)가 고정되고, 상기 스테이빌라이저(14)의 양단은 차체에 고정되도록 구성된다.In conventional suspensions, in particular, the axle suspension is applied to the front or the rear of the vehicle, which is coupled with wheels 11 and 12 on both sides of the axle housing 10 as shown in FIG. A propeller shaft 13 for transmitting power is coupled to the axle housing 10, and a stabilizer 14 having a “c” shape for suppressing rolling of the vehicle is fixed to the axle housing 10, and the stabilizer 14 is fixed to the axle housing 10. Both ends of the) are configured to be fixed to the vehicle body.

그러나 이와 같은 종래의 차축 현가장치는 스테이빌라이저가 차축 하우징 및 차체에 고정됨에 따라 차량의 주행중 바퀴의 상하방향 이동량에 대해 차축과 연동되는 스테이빌라이저의 이동량이 미미하여 차량의 롤링을 억제하는 효과가 적을 뿐만 아니라 이를 개선하기 위해서 스테이빌라이저의 선경을 크게 하여야 함으로써 취부구조에서 내구성이 저하되고 코스트가 상승되는 문제점이 있다.However, the conventional axle suspension device has a small amount of movement of the stabilizer linked with the axle with respect to the vertical movement amount of the wheels while the vehicle is being driven, since the stabilizer is fixed to the axle housing and the vehicle body. In order to improve this problem, however, the diameter of the stabilizer must be increased, resulting in a decrease in durability and a cost increase in the mounting structure.

따라서, 본 발명은 상술한 종래 기술의 문제점들을 해결하기 위하여 안출된 것으로서, 본 발명의 목적은 상대적으로 작은 선경의 비틀림 부재를 차축 하우징의 상측 또는 하측에 스플라인 결합함으로써 취부구조의 내구성을 향상시킴과 아울러 코스트를 절감하고, 공간적으로 비틀림 부재의 배치에 제약을 받지 않으며 차량을 경량화시킬 수 있는 차량용 차축 현가장치의 롤 방지구조를 제공하는데 있다.Accordingly, the present invention has been made to solve the above-mentioned problems of the prior art, the object of the present invention is to improve the durability of the mounting structure by spline coupling a relatively small twisting member of the wire diameter to the upper or lower side of the axle housing and In addition, the present invention provides a roll preventing structure of a vehicle axle suspension device that can reduce cost and is not restricted by the arrangement of the torsional member in space, and can reduce the weight of the vehicle.

도 1 은 종래 차량용 차축 현가장치를 도시한 사시도이다.1 is a perspective view showing a conventional vehicle axle suspension.

도 2 는 본 발명에 의한 차량용 차축 현가장치의 롤 방지구조를 사시도이다.Figure 2 is a perspective view of a roll preventing structure of a vehicle axle suspension according to the present invention.

도 3 은 본 발명에 의한 차량용 차축 현가장치의 롤 방지구조에서 비틀림 부재의 결합 상태를 도시한 분해 사시도이다.3 is an exploded perspective view showing a coupling state of the torsion member in the roll prevention structure of the vehicle axle suspension according to the present invention.

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

20: 차축 하우징 23: 감속부20: axle housing 23: reduction gear

30: 비틀림 부재 31: 스플라인부30: torsional member 31: spline portion

40: 결합부재 42: 유니버셜 조인트40: coupling member 42: universal joint

이와 같은 목적을 달성하기 위한 본 발명에 따른 차량용 차축 현가장치의 롤 방지구조는, 차축 하우징을 갖는 차량에 있어서, 상기 차축 하우징에는 유니버셜 조인트를 갖는 결합 부재가 장착되고, 상기 결합 부재에는 타단이 차체에 고정되는 스플라인부를 갖는 비틀림 부재가 스플라인 결합된 것을 특징으로 한다.The roll preventing structure of the vehicle axle suspension device according to the present invention for achieving the above object, in the vehicle having an axle housing, the axle housing is equipped with a coupling member having a universal joint, the other end is coupled to the vehicle body A torsion member having a spline portion fixed to the spline is characterized in that the splined.

따라서 본 발명에 의하면, 차량의 롤 회전현상이 직접적으로 비틀림 부재에 전달되어 효율이 높아 승차감이 더욱 향상되고, 형상이 단순하고 비교적 작은 선경을 적용하여 취부구조에서 내구성이 향상됨과 아울러 코스트가 현저하게 절감되며 차량의 경량화가 가능하며, 설치에 제약을 받지 않으므로 설치가 용이하게 되는 것이다.Therefore, according to the present invention, the roll rotation phenomenon of the vehicle is directly transmitted to the torsion member so that the efficiency is high, and the riding comfort is further improved. It is possible to reduce the weight of the vehicle and to be easy to install since it is not restricted by the installation.

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

도 2 는 본 발명에 의한 차량용 차축 현가장치의 롤 방지구조를 도시한 일부 사시도로서, 차축 하우징(20)의 양단에는 바퀴(21)(22)가 결합되어 있고, 상기 차축 하우징(20)의 감속부(23)에는 동력을 전달하는 프로펠러 샤프트(24)가 결합되어 있다.2 is a partial perspective view showing a roll preventing structure of the vehicle axle suspension according to the present invention, wherein wheels 21 and 22 are coupled to both ends of the axle housing 20, and the deceleration of the axle housing 20 is performed. Part 23 is coupled to the propeller shaft 24 for transmitting power.

그리고, 상기 감속부(23)에는 선단이 도시하지 않은 크로스 멤버 등의 차체에 고정되는 비틀림 부재(30)가 결합 부재(40)를 개재하여 결합되는데, 이는 도 3 에 도시한 바와 같이 비틀림 부재(30)의 일단에는 스플라인부(31)가 형성되어 있고, 상기 결합 부재(40)는 상기 차축 하우징(20)에 장착되는 고정부(41)와, 유니버셜 조인트(42) 그리고 상기 비틀림 부재(30)의 스플라인부(31)가 스플라인 결합으로 삽입되는 결합부(43)가 각각 형성되어 있다.In addition, a torsion member 30 fixed to a vehicle body such as a cross member (not shown) is coupled to the reduction unit 23 via a coupling member 40, which is illustrated in FIG. 3. A spline portion 31 is formed at one end of the 30, and the coupling member 40 includes a fixing portion 41 mounted to the axle housing 20, a universal joint 42, and the torsion member 30. Coupling portions 43 into which spline portions 31 are inserted by spline coupling are formed, respectively.

물론, 상기 비틀림 부재(3)의 타단은 크로스 멤버 등의 차체측에 취부되는데, 그 구조는 원하는 기구학적인 자유도를 구현하기 위하여 상기 결합부재(40)와 동일한 구성, 예컨대 고정부, 유니버셜 조인트 그리고 스플라인 결합으로 결합되는 결합부가 동일한 구성으로 이루어진다.Of course, the other end of the torsion member 3 is mounted on the side of the vehicle body such as a cross member, the structure of which is the same configuration as the coupling member 40, for example, a fixing part, a universal joint and a spline, in order to realize a desired kinematic degree of freedom. Coupling portions coupled by coupling are made of the same configuration.

유니버셜 조인트는 롤회전방향 이외의 회전방향에 대한 자유도를 부여합니다. 롤회전 방향을 억제하는 것이 기본 목적으로 스플라인 결합에 의해 롤회전방향은 자유도가 구속됩니다.Universal joints provide degrees of freedom for rotational directions other than the direction of roll rotation. The primary purpose of suppressing the direction of roll rotation is to restrict the degree of freedom in the direction of roll rotation by spline coupling.

이와 같이 구성된 본 발명에 의한 차량용 차축 현가장치의 롤 방지구조는 차축 하우징(20)의 감속부(23)에 결합 부재(40)의 고정부(41)를 체결 고정하고, 상기결합 부재(40)의 결합부(43)에 비틀림 부재(30)의 스플라인부(31)를 스플라인 결합한 후 상기 비틀림 부재(30)의 타단을 크로스 멤버 등의 차체에 고정시키면 장착이 완료된다.The roll preventing structure of the vehicle axle suspension according to the present invention configured as described above is fastened and fixed to the fixing portion 41 of the coupling member 40 to the deceleration portion 23 of the axle housing 20, the coupling member 40 The spline portion 31 of the torsion member 30 is splined to the coupling portion 43 of the torsion member 30, and then fixing the other end of the torsion member 30 to a vehicle body such as a cross member is completed.

이때, 상기 비틀림 부재(30)는 프로펠러 샤프트(24)의 상측 또는 하측에 장착할 수 있다.In this case, the torsion member 30 may be mounted on the upper side or the lower side of the propeller shaft 24.

따라서, 차량의 주행시 상하 방향으로의 롤링이 발생하면 비틀림 부재(30)가 차체 측과 스프링 하부의 상대적인 롤 회전량에 의해 직접적으로 비틀리게 됨으로써 롤 현상이 억제되는 것이다.Therefore, when rolling in the up-down direction occurs when the vehicle is running, the torsion member 30 is directly twisted by the relative roll rotation amount of the vehicle body side and the spring lower portion, thereby suppressing the roll phenomenon.

그리고, 상기 비틀림 부재(30)가 유니버셜 조인트(42)를 갖는 결합 부재(40)에 결합됨에 따라 차체 측과 차축 하우징(20)의 상대적인 운동에 의해 병진방향과 롤 회전방향 이외의 회전방향에도 기구학적인 자유도가 부여되어 그 작동이 원활하게 이루어지게 된다.In addition, as the torsion member 30 is coupled to the coupling member 40 having the universal joint 42, the kinematics is also improved in the rotational direction other than the translation direction and the roll rotation direction by the relative movement of the vehicle body side and the axle housing 20. Freedom is given so that the operation is smooth.

또한, 상기 비틀림 부재(30)는 단순한 형상으로 변형되지 않는 불필요한 부분이 없고, 그 형상이 단순화되어 비용이 더욱 절감되는 것이다.In addition, the torsion member 30 has no unnecessary part that does not deform into a simple shape, and the shape thereof is simplified to further reduce cost.

상술한 바와 같이 본 발명에 의하면, 차량의 롤 회전현상이 직접적으로 비틀림 부재에 전달되어 효율이 높아 승차감이 더욱 향상되고, 형상이 단순하고 비교적 작은 선경을 적용하여 취부구조에서 내구성이 향상됨과 아울러 코스트가 현저하게 절감되며 차량의 경량화가 가능하며, 설치에 제약을 받지 않으므로 설치가 용이하게 되는 등의 여러 가지 효과가 있다.As described above, according to the present invention, the roll rotation phenomenon of the vehicle is directly transmitted to the torsion member, so that the riding efficiency is further improved due to the high efficiency, and the shape is simple and relatively small diameter is applied to improve the durability in the mounting structure and the cost. Is remarkably reduced and the weight of the vehicle can be reduced, and there are various effects such as being easy to install because it is not restricted by the installation.

Claims (2)

차축 하우징을 갖는 차량에 있어서,In a vehicle having an axle housing, 상기 차축 하우징(20)에는 유니버셜 조인트(42)를 갖는 결합 부재(40)가 장착되고, 상기 결합 부재(40)에는 타단이 차체에 고정되는 스플라인부(31)를 갖는 비틀림 부재(30)가 스플라인 결합된 것을 특징으로 하는 차량용 차축 현가장치의 롤 방지구조.A coupling member 40 having a universal joint 42 is mounted to the axle housing 20, and a torsion member 30 having a spline portion 31 having the other end fixed to the vehicle body is splined to the coupling member 40. Roll prevention structure of a vehicle axle suspension characterized in that coupled. 제 1 항에 있어서, 상기 비틀림 부재(30)는 차축 하우징(20)의 감속부(23)에 장착된 것을 특징으로 하는 차량용 차축 현가장치의 롤 방지구조.The roll preventing structure of claim 1, wherein the torsion member is mounted to the reduction unit 23 of the axle housing.
KR10-2002-0067364A 2002-11-01 2002-11-01 Structure for preventing roll suspension system of shaft of vehicle KR100461608B1 (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH025310U (en) * 1988-06-21 1990-01-12
JPH0399915A (en) * 1989-09-13 1991-04-25 Suzuki Motor Corp Axle suspension device
KR19980023520U (en) * 1996-10-31 1998-07-25 양재신 End structure of car rear stabilizer
JPH1178473A (en) * 1997-09-10 1999-03-23 Hino Motors Ltd Rear axle suspension device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH025310U (en) * 1988-06-21 1990-01-12
JPH0399915A (en) * 1989-09-13 1991-04-25 Suzuki Motor Corp Axle suspension device
KR19980023520U (en) * 1996-10-31 1998-07-25 양재신 End structure of car rear stabilizer
JPH1178473A (en) * 1997-09-10 1999-03-23 Hino Motors Ltd Rear axle suspension device

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