KR200227333Y1 - Double Damping Bush - Google Patents

Double Damping Bush Download PDF

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Publication number
KR200227333Y1
KR200227333Y1 KR2019970042270U KR19970042270U KR200227333Y1 KR 200227333 Y1 KR200227333 Y1 KR 200227333Y1 KR 2019970042270 U KR2019970042270 U KR 2019970042270U KR 19970042270 U KR19970042270 U KR 19970042270U KR 200227333 Y1 KR200227333 Y1 KR 200227333Y1
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KR
South Korea
Prior art keywords
vehicle
elastic member
damping bush
rear axle
damping
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KR2019970042270U
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Korean (ko)
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KR19990029605U (en
Inventor
김화진
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정주호
대우자동차 주식회사
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Priority to KR2019970042270U priority Critical patent/KR200227333Y1/en
Publication of KR19990029605U publication Critical patent/KR19990029605U/en
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Publication of KR200227333Y1 publication Critical patent/KR200227333Y1/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
    • B60G21/051—Trailing arm twist beam axles
    • B60G21/052—Mounting means therefor
    • 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
    • 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
    • B60G2206/70—Materials used in suspensions
    • B60G2206/73—Rubber; Elastomers
    • 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
    • B60G2800/24—Steering, cornering

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

Abstract

본 고안은 더블댐핑부시에 관한 것으로서, 내측가이드와 외측가이드의 사이에 개재되는 탄성부재를 포함하는 댐핑부시에 있어서, 상기 탄성부재의 내경부와 외경부사이에는 일측을 향하여 부피가 점진적으로 확장되는 홀리 형성되고; 상기 외측가이드의 외주면에 장착되어 상기 댐핑부시를 좌우대칭으로 결합시키는 가이더를 더 포함하는 것을 특징으로 한다.The present invention relates to a double damping bush, wherein in the damping portion including an elastic member interposed between the inner guide and the outer guide, the volume gradually extends toward one side between the inner diameter and the outer diameter of the elastic member. Holly formed; And a guider mounted on an outer circumferential surface of the outer guide to couple the damping bush in left-right symmetry.

이와 같이 함으로서, 차량이 직선주행 상태에서는 완충효과가 극대화 되도록 하면서, 차량이 코너링시는 코너링방향의 외측방향으로 가해지는 집중적인 힘에 대해서는 강한 버팀력이 작용하고, 그 외의 부분에서는 완만한 상태로 수축이 이루어져 리어액슬의 진행방향이 틀어져 차량의 조정안정성이 나빠지는 것을 저감시키도록 한 것이다.By doing so, the cushioning effect is maximized when the vehicle is in a linear driving state, while a strong support force is applied to the concentrated force exerted in the outward direction of the cornering direction when the vehicle is cornered, and is smooth in other parts. The contraction is made so that the direction of travel of the rear axle is shifted to reduce the deterioration of the adjustment stability of the vehicle.

Description

더블댐핑부시Double Damping Bush

본 고안은 차량의 리어액슬을 차체에 고정할 때 리어액슬과 차체의 사이에서 방진역할을 하는 댐핑부시에 관한 것으로 특히, 댐핑부시에 구성되는 탄성부재의 단면부에 점진적으로 확장되는 홀을 형성하여 댐핑부시를 구성하고, 이 댐핑부시를 좌우 대칭으로 복수개 구성하여 차체와 리어액슬의 사이에서 완충역할을 하도록 한 것이다.The present invention relates to a damping bush that plays a dustproof role between the rear axle and the vehicle body when the rear axle of the vehicle is fixed to the vehicle body. In particular, a hole gradually extending to the end face of the elastic member constituted by the damping bush is formed. A damping bush is constructed, and a plurality of damping bushes are formed symmetrically to play a buffer role between the vehicle body and the rear axle.

이와 같이 함으로서, 차량이 직선주행 상태에서는 완충효과가 극대화 되도록 하면서, 차량이 코니링시는 코너링방향의 외측방향으로 가해지는 집중적인 힘에 대해서는 강한 버팀력이 작용하고, 그 외의 부분에서는 완만한 상태로 수축이 이루어져 리어액슬의 진행방향이 틀어져 차량의 조정안정성이 나빠지는 것을 저감시키도록 하는데 그 목적이 있다.By doing so, the cushioning effect is maximized when the vehicle is in a linear driving state, while the strong bracing force is applied to the concentrated force exerted in the outward direction of the cornering direction when the vehicle is coneyed, and the other state is gentle. The purpose of the present invention is to reduce the adjustment stability of the vehicle due to the contraction of the furnace and the rear axle traveling direction.

전륜구동방식을 채용하는 차량에 있어서, 리어액슬은 엔진으로부터 전달된 동력을 직접 전달받아 앞바퀴가 회전되면서 차량이 주행될 때 차량에 이끌려 회전하는 뒷바퀴가 고정되고, 현가장치, 제동장치등의 부속장치가 장치되는 기본 골격이다.In a vehicle employing a front wheel drive system, the rear axle receives power directly from the engine and the rear wheels are fixed by the vehicle when the vehicle is driven while the front wheel is rotated and the rear axle is fixed. It is the basic skeleton that is installed.

종래 리어액슬의 구성은 도 1과 같이 일단에 체결관(1)이 부착되고, 그 인접부위가 소정의 각도로 절곡된 튜브(2)와, 상기 튜브(2)의 측부에 부착된 토션빔(3)과의 모서리에 밀착 부착시켜 현가장치의 스프링이 안착되는 로워시트(4)와, 상기 튜브(2) 일단 외주에 부착되어 뒷바퀴가 고정되는 휠캐리어(5)와, 상기 토션빔(3)의 내부 공간에 구성되어 차량의 기울어짐을 줄이는 스테빌라이저(6)가 구성된다.In the conventional rear axle, as shown in FIG. 1, a fastening tube 1 is attached to one end, a tube 2 having an adjacent portion bent at a predetermined angle, and a torsion beam attached to a side of the tube 2. 3) the lower seat 4, which is closely attached to the corner of the suspension seat, on which the spring of the suspension device is seated, the wheel carrier 5 attached to the outer periphery of the tube 2, and fixed to the rear wheel, and the torsion beam 3; Stabilizer 6 is configured to reduce the inclination of the vehicle is configured in the interior space of the.

그리고, 이와 같은 구성을 갖은 리어액슬을 차체에 고정하는 과정에서 진동완화를 위한 수단으로 내/외부가이드(7,8)가 밀착 구성된 탄성부재(9)로 이루어진 댐핑부시(10)가 상기 체결관(1)에 결합된다.In addition, the damping bush 10 made of an elastic member 9 having inner / external guides 7 and 8 in close contact with each other as a means for vibration dampening in the process of fixing the rear axle having such a configuration to the vehicle body. Is coupled to (1).

미설명 부호 11은 쇽업소버를 고정하는 쇽업소버브라켓이다.Reference numeral 11 is a shock absorber bracket for fixing the shock absorber.

이와 같이 구성되어 리어액슬을 차체에 고정될 때 댐핑부시(10)가 체결관(1)에 결합되어 차체와 리어액슬 사이의 완충작용을 하게 된다.In this way, when the rear axle is fixed to the vehicle body, the damping bush 10 is coupled to the fastening tube 1 to provide a buffering function between the vehicle body and the rear axle.

그러나, 리어액슬과 차체의 사이에서 완충작용을 하는 종래의 댐핑부시(10)의 탄성부재(9)는 단순히 직선의 관형 형태로 제작되고 있기 때문에 차량코너링시 코너링의 외측을 향해 집중적으로 힘을 받으면 균일한 단면하에서 힘을 받는 외측부분은 집중적으로 수축되지만 타부분은 상대적으로 수축되는 정도가 미약하게 된다.However, since the elastic member 9 of the conventional damping bush 10, which cushions the rear axle and the vehicle body, is simply manufactured in a straight tubular form, when the vehicle is cornered, it is concentrated on the outside of the cornering. Under a uniform cross section, the outer portion of the force is contracted intensively, but the other portion is relatively insignificant.

이와 같은 작용으로 도 3과 같이 리어액슬의 진행방향이 틀어져 코너링방향의 내측으로 향하게 되는 오버스티어현상이 발생되어 차량의 주행상태가 불안정해지면서 조정성이 나빠지는 문제점이 있었다.In this manner, as shown in FIG. 3, an oversteer phenomenon occurs in which the rear axle travels in the opposite direction and is turned inward in the cornering direction, resulting in unstable driving conditions and deterioration of adjustment.

본 고안은 상기한 문제점을 감안하여 고안한 것으로 차량의 코너링방향에 따라 탄성부재에 집중적으로 힘이 가해지는 부분에서는 강한 버팀력이 작용되고, 다소 약한 힘이 가해지는 부분에서는 수축이 잘 이루어질 수 있도록 점진적인 크기로 홀을 형성한 탄성러버로 댐핑부시를 제작하고, 이 댐핑부시를 좌우대칭으로 복수개 구성하여 차체와 리어액슬 사이에서 완충작용 하도록 하는데 있다.The present invention was devised in view of the above-described problems, so that a strong propulsion force is applied at the portion where the force is intensively applied to the elastic member according to the cornering direction of the vehicle, so that the contraction can be made well at the portion where the weak force is applied. The damping bush is made of elastic rubber with a progressive sized hole, and the damping bush is composed of a plurality of damping bushes symmetrically so as to buffer the vehicle body and the rear axle.

도 1은 종래 리어액슬의 구성사시도.1 is a perspective view of a conventional rear axle.

도 2는 종래 댐핑부시를 발췌한 단면도.Figure 2 is a cross-sectional view of the conventional damping bush.

도 3은 종래 코너링 하는 차량의 뒷바퀴가 틀어지는 것을 보인 예시도.3 is an exemplary view showing that the rear wheel of a conventional cornering vehicle is twisted.

도 4는 본 고안 단일 댐핑부시의 구성단면도.Figure 4 is a cross-sectional view of the present invention single damping bush.

도 5는 본 고안 단일 댐핑부시와 가이더를 발췌한 분해사시도.Figure 5 is an exploded perspective view of the present invention single damping bush and guider.

도 6은 본 고안으로 단일 댐핑부시를 가이더에 좌우대칭을 결합한 상태의 단면도.Figure 6 is a cross-sectional view of a state in which the left and right symmetry coupled to the guider with a single damping bush according to the present invention.

*** 도면의 주요부분에 대한 부호의 설명 ****** Explanation of symbols for main parts of drawing ***

101 : 댐핑부시 102 : 내측가이드101: damping bush 102: inner guide

103 : 외측가이드 104 : 탄성부재103: outer guide 104: elastic member

105 : 홀 106 : 가이더105: hole 106: guider

상기 목적을 달성하기 위하여, 본 고안은 내측가이드와 외측가이드의 사이에 개재되는 탄성부재를 포함하는 대핑부시에 있어서, 상기 탄성부재의 내경부와 외경부사이에는 일측을 향하여 부피가 점진적으로 확장되는 홀이 형성되고; 상기 외측 가이드의 외주면에 장착되어 상기 댐핑부시를 좌우대칭으로 결합시키는 가이더를 더 포함하는 것을 특징으로 한다.In order to achieve the above object, the present invention in the anti-ping part including an elastic member interposed between the inner guide and the outer guide, the volume is gradually expanded toward one side between the inner diameter and the outer diameter of the elastic member. Holes are formed; And a guider mounted on an outer circumferential surface of the outer guide to couple the damping bush in left-right symmetry.

본 고안인 "더블댐핑부시"를 첨부한 도면을 참고로 이하에서 설명한다.The present invention will be described below with reference to the accompanying drawings "double damping bush".

본 고안에서 예시하고 있는 리어액슬의 구성은 종래와 동일하므로 본 고안에서는 본 고안을 적용하고 있는 댐핑부시를 발췌하여 상세하게 설명하기로 한다.Since the configuration of the rear axle illustrated in the present invention is the same as in the prior art, the present invention will be described in detail by extracting a damping bush to which the present invention is applied.

도 4내지 도 6과 같이, 내측가이드(102)와 외측가이드(103)의 사이에 개재되는 탄성부재(104)를 포함하며 차체에 리어액슬을 장착하는 댐핑부시(101)에 있어서, 더블댐핑부시는 상기 탄성부재(104)의 내경부와 외경부사이에는 일측을 향하여 부피가 점진적으로 확장되는 홀(105)이 형성되고; 상기 외측가이드(103)의 외주면에 장착되어 상기 댐핑부시(101)를 좌우대칭으로 결합시키는 가이더(106)를 더 포함한다.4 to 6, in the damping bush 101 including an elastic member 104 interposed between the inner guide 102 and the outer guide 103 and mounting the rear axle to the vehicle body, the double damping bush. Is formed between the inner diameter portion and the outer diameter portion of the elastic member 104, the hole 105 is gradually expanded in volume toward one side; It further includes a guider (106) mounted on an outer circumferential surface of the outer guide (103) to couple the damping bush (101) symmetrically.

이와 같이 구성한 본 고안은 차량의 코너링방향에 따라 댐핑부시(101)에 가해지는 힘으로 탄성부재(104)가 수축되는 정도가 달라지기 때문에 리어액슬의 진향방향이 틀어지는 것이 저감된다.According to the present invention configured as described above, since the degree of contraction of the elastic member 104 is changed by the force applied to the damping bush 101 according to the cornering direction of the vehicle, the direction in which the rear axle is directed is reduced.

즉, 본 고안에서 실시하고 있는 구성의 특성을 자세히 살펴보면 다음과 같다.That is, looking at the characteristics of the configuration carried out in the present invention in detail as follows.

본 고안에서 실시하고자 하는 것은 전륜구동차량의 경우 엔진의 동력으로 앞바퀴가 구동될 때 주행하는 차량에 이끌려서 함께 회전하게 되는 뒷바퀴를 고정하면서 현가장치, 제동장치 등의 부속장치가 장치되는 기본 골격인 리어액슬에 있어서, 이 리어액슬을 차체에 고정할 때 리어액슬과 차체의 사이에서 완충역할을 하는 댐핑부시(101)의 취약성을 보강하여 차량 코너링시 리어액슬의 진행방향이 틀어져 차량이 코너링 내측방향으로 진행되어 나가려는 오버스티어현상이 발생되는 것을 저감시켜 차량의 조정성을 향상시키도록 하는 것이다.In the present invention, in the case of a front wheel drive vehicle, a basic skeleton rear in which an accessory device such as a suspension device and a braking device is installed while fixing a rear wheel which is driven by a driving vehicle and driven together when the front wheel is driven by engine power. In the axle, when the rear axle is fixed to the vehicle body, the damping bushing 101, which acts as a buffer between the rear axle and the vehicle body, is reinforced, and the traveling direction of the rear axle in the cornering of the vehicle is shifted so that the vehicle moves in the cornering inward direction. It is to reduce the occurrence of oversteering phenomena to proceed to improve the controllability of the vehicle.

이를 구현하기 위한 수단으로 본 고안에서는 내/외측가이드(102,103)의 사이에서 충격을 흡수하는 탄성부재(104)에 점진적으로 확장되는 형태로 홀(105)을 형성하여 댐핑부시(101)를 제작하고, 이렇게 제작된 댐핑부시(101)를 가이더(106)를 이용하여 좌우대칭으로 복수개 구성하여 완충작용하도록 한 것이다.In the present invention as a means for implementing this to form a damping bush 101 by forming a hole 105 in the form of gradually expanding in the elastic member 104 absorbing the impact between the inner / outer guides (102, 103) In this way, the damping bush 101 manufactured in this way is configured to have a plurality of symmetrical symmetry using the guider 106 to buffer.

여기서, 탄성부재(104)는 종래의 탄성부재와 비교적 동일한 외형으로 형성되고 있지만 도 4에서 보이고 있는 바와 같이 단면부에 점진적으로 확장되어 나가는 형태로 홀(105)을 형성하였다.Here, the elastic member 104 is formed in a relatively same shape as the conventional elastic member, but as shown in Figure 4 formed a hole 105 in the form of gradually expanding out of the cross-section.

이 홀(105)은 차량이 코너링시 집중적인 힘을 받아 탄성부재(104)가 변형될 때 여유공간이 비교적 넓게 확보된 부분에서는 수축 정도가 심화되고, 여유공간이 비교적 협소한 부분에서는 수축이 위축되어 비교적 강한 버팀력이 작용될 수 있도록 한 것이다.In the hole 105, when the vehicle is subjected to intensive force when cornering, the elastic member 104 is deformed when the elastic member 104 is deformed, and the contraction degree is increased, and the contraction is contracted at the part where the clearance is relatively narrow. Thus, a relatively strong support force can be applied.

한편, 내/외측가이드(102,103)는 탄성부재(104)가 손상되는 되는 것을 방지하기 위해 탄성부재(104)의 내/외측면에 밀착시킨 것으로 내측가이드(102)는 직선의 관형으로 제작하고, 외측가이드(103)는 탄성부재의 형상에 맞추어 플랜지부를 형성하여 제작하였다.On the other hand, the inner / outer guides 102 and 103 are in close contact with the inner / outer surface of the elastic member 104 in order to prevent the elastic member 104 is damaged, the inner guide 102 is made of a straight tubular, The outer guide 103 was manufactured by forming a flange portion in accordance with the shape of the elastic member.

그리고, 가이더(106)는 탄성부재(104), 내/외측가이드(102,103)로 구성된 단일 댐핑부시를 좌우대칭으로 복수개를 결합시키는 것을 안내하는 부품으로 스틸 재질로 제작하여 각 댐핑부시(101)가 손상되는 것을 방지하거나, 우레탄과 같이 탄성을 갖는 재질로 제작하여 댐핑부시(101)의 완충기능을 높이도록 할 수 있다.In addition, the guider 106 is a component for guiding a plurality of single damping bushes composed of the elastic member 104 and the inner / outer guides 102 and 103 in left and right symmetry, and each damping bush 101 is made of steel. It may be prevented from being damaged or made of a material having elasticity such as urethane to increase the buffering function of the damping bush 101.

이상과 같은 특성으로 구성한 본 고안의 조립 및 작용은 도 5와 같이 탄성부재(104), 내/외측가이드(102,103)로 구성된 단일 댐핑부시(101)를 가이더(106)에 좌우대칭이 되도록 결합하여 도 6과 같이 하나의 완전한 댐핑부시가 되도록 한다.The assembly and action of the present invention configured as described above by combining the single damping bush 101 composed of the elastic member 104, the inner / outer guides (102, 103) as shown in Figure 5 to the left and right symmetry guider 106 As shown in FIG. 6, there is one complete damping bush.

이와 같은 댐핑부시를 이용하여 리어액슬을 차체에 고정하고, 차량이 주행되면 차량이 직선주로를 주행할 경우는 탄성부재(104)에 형성한 홀(105)이 탄성부재(104)가 추축될 수 있는 여유공간이 되기 때문에 수축이 원할하게 이루어져 뛰어난 완충효과를 발휘하고, 차량이 코너를 주행할때는 집중적인 힘을 받는 외측부분은 수축정도가 미미하여 강한 버팀력이 발생되고, 이외의 부분에서는 수축정도가 심화되기 때문에 리어액슬의 방향이 틀어지는 것을 억제시켜 안전된 주행상태를 유지하게 된다.By using the damping bush, the rear axle is fixed to the vehicle body, and when the vehicle travels, when the vehicle travels on a straight line, the hole 105 formed in the elastic member 104 may be compressed in the elastic member 104. Because it is a free space, the contraction is smooth and shows excellent cushioning effect. When the vehicle is driving a corner, the outer part that receives the concentrated force has a slight contraction force, and a strong support force is generated. As it is deepened, the rear axle can be prevented from shifting to maintain a safe driving state.

이상에서 설명한 바와 같이 본 고안에 의하면 코너링시 리어액슬이 코너링방향의 내측으로 방향이 틀어지는 것이 억제되기 때문에 때문에 차량의 조정안정성을 향상시키는 잇점이 있다.As described above, according to the present invention, since the rear axle is prevented from turning inward in the cornering direction during cornering, there is an advantage of improving the adjustment stability of the vehicle.

Claims (1)

내측가이드(102)와 외측가이드(103)의 사이에 개재되는 탄성부재(104)를 포함하는 댐핑부시(101)에 있어서,In the damping bush (101) comprising an elastic member (104) interposed between the inner guide (102) and the outer guide (103), 상기 탄성부재(104)의 내경부와 외경부사이에는 일측을 향하여 부피가 점진적으로 확장되는 홀(105)이 형성되고;A hole 105 is formed between the inner diameter portion and the outer diameter portion of the elastic member 104 to gradually expand in volume toward one side; 상기 외측가이드(103)의 외주면에 장착되어 상기 댐핑부시(101)를 좌우대칭으로 결합시키는 가이더(106)를 더 포함하는 것을 특징으로 하는 더블댐핑부시.And a guider (106) mounted on an outer circumferential surface of the outer guide (103) to couple the damping bushing (101) symmetrically.
KR2019970042270U 1997-12-29 1997-12-29 Double Damping Bush KR200227333Y1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101092362B1 (en) * 2009-09-04 2011-12-09 현대자동차주식회사 Radius rod

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101092362B1 (en) * 2009-09-04 2011-12-09 현대자동차주식회사 Radius rod

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