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KR20080052758A - Stabilizer bar bush structure of vehicle - Google Patents

Stabilizer bar bush structure of vehicle Download PDF

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Publication number
KR20080052758A
KR20080052758A KR1020060124335A KR20060124335A KR20080052758A KR 20080052758 A KR20080052758 A KR 20080052758A KR 1020060124335 A KR1020060124335 A KR 1020060124335A KR 20060124335 A KR20060124335 A KR 20060124335A KR 20080052758 A KR20080052758 A KR 20080052758A
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KR
South Korea
Prior art keywords
bush
stabilizer bar
layer
vehicle
bush structure
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KR1020060124335A
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Korean (ko)
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KR101231516B1 (en
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김용일
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현대자동차주식회사
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Priority to KR1020060124335A priority Critical patent/KR101231516B1/en
Publication of KR20080052758A publication Critical patent/KR20080052758A/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
    • 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
    • B60G2206/40—Constructional features of dampers and/or springs
    • B60G2206/42—Springs
    • B60G2206/427—Stabiliser bars or tubes
    • 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
    • B60G2206/71—Light weight materials
    • B60G2206/7102—Aluminium alloys
    • 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
    • B60G2206/72—Steel
    • 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

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

Abstract

A bush structure of a stabilizer bar for a vehicle is provided to minimize variation in characteristics of a suspension apparatus by stably supporting the stabilizer bar such that rolling of the vehicle is effectively restricted. A bush structure of a stabilizer bar for a vehicle comprises a steel layer(2) formed at the outermost portion of the bush(1), an aluminum layer(3) prepared in a region lower than the steel layer, and a rubber layer(4) formed at the innermost portion of the bush. The bush is provided with an incised hole(1a), which extends in the axis direction to improve the assembly ability of the bush. Left and right leading edges centered on the incised hole of the aluminum layer are bent upward such that the steel layer bonded with the aluminum layer is prevented from being separated in the circumferential direction of the steel layer. The rubber layer is provided at an inner peripheral surface thereof with a plurality of beads(4a) spaced apart from each other by a certain interval while extending in the axis direction.

Description

차량의 스태빌라이저바아 부시구조{Bush structure of stabilizer bar in vehicle}Bush structure of stabilizer bar in vehicle

도 1은 종래 기술에 따른 스태빌라이저바아 고무부시의 사시도,1 is a perspective view of a stabilizer bar rubber bush according to the prior art,

도 2는 종래 기술에 따른 고무부시와 브라켓을 매개로 스태빌라이저바아가 장착된 상태의 사시도,Figure 2 is a perspective view of the stabilizer bar is mounted via the rubber bush and the bracket according to the prior art,

도 3은 본 발명에 따른 스태빌라이저바아 부시의 사시도,3 is a perspective view of a stabilizer bar bush according to the present invention;

도 4는 본 발명에 따른 스태빌라이저바아 부시로 커버케이스로 스태빌라이저바아가 장착된 상태의 사시도이다.Figure 4 is a perspective view of the stabilizer bar is mounted on the stabilizer bar bush as a cover case according to the present invention.

< 도면의 주요 부분에 대한 부호의 설명 ><Description of Symbols for Main Parts of Drawings>

1-부시 2-스틸재 층1-Bush 2-Steel Layer

3-알루미늄 층 4-고무재 층3-aluminum layer 4-rubber material layer

5-스태빌라이저 바아 6-서포터 빔5-stabilizer bar 6-support beam

7-커버케이스7-cover case

본 발명은 차량의 스태빌라이저바아를 차체에 장착하는 데에 사용되는 부시 에 관한 것으로, 특히 스틸재 층과 알루미늄재 층 및 고무재 층의 3층 구조로 이루어진 차량의 스태빌라이저바아 부시구조에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bush used for mounting a stabilizer bar of a vehicle to a vehicle body, and more particularly, to a stabilizer bar bush structure of a vehicle having a three-layer structure of a steel layer, an aluminum layer, and a rubber layer.

일반적으로 차량의 현가장치는 차체와 차축을 연결하여 주행중에 차축이 노면으로부터 받는 진동이나 충격을 차체에 직접적으로 전달되지 않도록 제어해서 차체와 화물의 손상을 방지하고 승차감을 좋게 만드는 장치로서 노면으로부터의 충격을 완화시키는 섀시스프링과, 이 섀시스프링의 자유진동을 제어하여 승차감을 좋게 하는 쇽 업소버 및, 차량의 롤링을 방지하는 스태빌라이저 등으로 구성된다.In general, the suspension system of a vehicle connects the vehicle body and the axle to prevent vibrations or shocks received from the road surface from being transmitted directly to the vehicle body, thereby preventing damage to the vehicle body and cargo and improving ride comfort. A chassis spring for mitigating impact, a shock absorber for controlling the free vibration of the chassis spring to improve ride comfort, a stabilizer for preventing rolling of the vehicle, and the like.

상기 스태빌라이저바아는 차체에 부시를 매개로 장착되어 지지되는 데, 도 1에는 종래 기술에 따른 부시의 구조가 도시되어 있다. 상기 부시(10)는 통상적으로 고무 재질로 만들어지면서 양측면이 개구된 원통형상을 하고 있고, 조립성을 향상시키기 위해 2개로 분할되어 성형된다.The stabilizer bar is mounted to and supported by a bush on a vehicle body, and FIG. 1 illustrates a structure of a bush according to the prior art. The bush 10 is generally made of a rubber material and has a cylindrical shape with both sides opened, and is divided into two parts to improve assemblability.

도 2에는 상기와 같은 고무부시(10)를 매개로 스태빌라이저바아가 장착된 상태가 도시되어 있는 바, 즉 도시되지 않은 차체에는 브라켓(11)이 고정되게 장착되고, 상기 브라켓(11)에 고무부시(10)가 압입되어 설치되며, 스태빌라이저바아(12)는 상기 고무부시(10)를 관통하여 삽입되어서 회전가능하게 지지된다.2 shows a state in which the stabilizer bar is mounted via the rubber bush 10 as described above, that is, the bracket 11 is fixedly mounted to a vehicle body (not shown), and the rubber bush is mounted on the bracket 11. 10 is press-fitted and the stabilizer bar 12 is inserted through the rubber bush 10 to be rotatably supported.

그런데 상기와 같은 종래의 고무부시를 사용한 스태빌라이저바아 장착구조에서는 부시(10)가 단순히 고무재질로 만들어지면서 브라켓(11)이 복잡한 형상으로 제작되어 부시의 기능 저하가 발생할 염려가 있었고, 스태빌라이저바아에 큰 모멘트가 걸릴 경우에는 부시가 횡방향으로 이탈될 염려가 있었으며, 부시의 고무층의 두께가 과도하게 두꺼워서 노화에 따른 특성 변화가 야기될 우려가 있었다.However, in the stabilizer bar mounting structure using the conventional rubber bush as described above, the bush 10 is simply made of a rubber material, and the bracket 11 is manufactured in a complicated shape, which may cause deterioration of the function of the bush. When the moment is applied, there is a concern that the bush is separated in the lateral direction, and the thickness of the rubber layer of the bush is excessively thick, which may cause a characteristic change due to aging.

이에 본 발명은 상기한 사정을 감안하여 안출된 것으로, 스태빌라이저바아를 안정되게 지지하여 현가장치의 특성변화를 최소화시키고, 교체작업이 용이하며, 부시의 이탈을 방지할 수 있을 뿐만 아니라 스태빌라이저바아의 슬립도 예방해서 차량의 롤링 억제효과를 향상시키도록 한 제공함에 그 목적이 있다.Accordingly, the present invention has been made in view of the above circumstances, and it is possible to stably support the stabilizer bar to minimize the change of the characteristics of the suspension device, to facilitate replacement work, and to prevent the detachment of the bush, as well as the slip of the stabilizer bar. It is also an object of the present invention to provide a system for preventing a rolling suppression effect of a vehicle by preventing it.

상기와 같은 목적을 달성하기 위한 본 발명은, 스태빌라이저바아를 관통시켜 지지할 수 있는 조립구멍과 절개홀이 형성된 링 형상을 하고서 외층과 내측의 고무재 층으로 된 2단층 구조로 이루어져 있다.The present invention for achieving the above object has a two-layer structure consisting of an outer layer and an inner rubber material layer in the form of a ring formed with an assembling hole and an incision hole capable of penetrating and supporting the stabilizer bar.

바람직하기로는 상기 고무재 층의 내주면에는 다수개의 비드가 원주방향으로 일정 간격을 두고서 축방향으로 돌출하도록 형성된 것을 특징으로 한다.Preferably, the inner circumferential surface of the rubber layer is characterized in that a plurality of beads are formed to protrude in the axial direction at regular intervals in the circumferential direction.

그리고 차체의 서포터 빔에는 원호형상의 부시좌면이 형성되고, 상기 부시좌면과 형합하여 부시를 감싸서 지지하는 커버케이스가 상기 서포터 빔에 체결되며, 상기 커버케이스의 내주면에는 걸림홈이 형성되고, 상기 외층은 외측의 스틸재 층과 가운데의 알루미늄 층으로 이루어지며, 상기 스틸재 층에는 상기 걸림홈에 끼워져 걸리는 다수개의 걸림돌기가 형성된 것을 특징으로 한다.And the supporter beam of the vehicle body is formed with an arc-shaped bush seating surface, a cover case for engaging the bush seating surface to support the bush is fastened to the supporter beam, a locking groove is formed on the inner peripheral surface of the cover case, the outer layer Is made of an outer steel material layer and the center of the aluminum layer, characterized in that the steel material layer is formed with a plurality of locking projections to be fitted to the locking groove.

이하 본 발명을 첨부된 예시도면에 의거 상세히 설명한다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

도 3에는 본 발명에 따른 스태빌라이저바아 부시의 구조가 사시도로 자세히 도시되어 있는 바, 즉 부시(1)는 스태빌라이저바아(2)를 끼워서 지지하기 위해 가운데에 조립구멍이 형성된 전체적으로 링 형상을 하고서 소정 부위에는 조립성의 향상을 위해 축방향으로 잘려진 절개홀(1a)이 형성되어 있다.Figure 3 shows the structure of the stabilizer bar bush according to the present invention in detail in a perspective view, that is, the bush (1) has a ring-shaped as a whole assembling hole formed in the center to support the stabilizer bar (2) by a predetermined portion The cutting hole 1a cut in the axial direction is formed in order to improve the assemblability.

상기 부시(1)는 제일 외측에 위치된 스틸재 층(2)과, 이 보다 아래에 위치한 알루미늄재 층(3) 및 제일 안쪽에 위치한 고무재 층(4)으로 된 3층 구조로 이루어지고, 상기 가운데에 위치한 알루미늄재 층(3)이 제일 두껍게 형성되어 있는 반면에 상기 고무재 층(4)은 상대적으로 두께가 얇게 형성되어 고무의 초기 및 내구후의 특성 변화를 최소화시키게 된다.The bush 1 is composed of a three-layer structure consisting of a steel material layer 2 located on the outermost side, an aluminum material layer 3 located below and a rubber material layer 4 located on the innermost side, While the aluminum material layer 3 located in the middle is formed thickest, the rubber material layer 4 is formed to be relatively thin, thereby minimizing the change in the characteristics of rubber at the initial and endurance.

상기 알루미늄재 층(3)의 상기 절개홀을 중심으로 한 좌우 선단부는 상방향으로 절곡되어 알루미늄재 층에 접합되는 상기 스틸재 층(2)의 원주방향 이탈을 방지하도록 되어 있다.The left and right front ends of the aluminum material layer 3 around the cutting hole are bent upward to prevent circumferential deviation of the steel material layer 2 bonded to the aluminum material layer.

그리고 상기 고무재 층(4)의 내주면에는 원주방향으로 일정 간격을 두고 축방향으로 돌출하는 다수개의 비드(4a)가 형성되어, 상기 고무재 층을 통해 스태빌라이저바아가 관통해서 조립될 때에 고무재 층(4)과 스태빌라이저바아의 외주면 사이의 미끄럼을 방지해서 그립력을 향상시키게 된다.In addition, a plurality of beads 4a protruding in the axial direction at regular intervals in the circumferential direction are formed on the inner circumferential surface of the rubber material layer 4, and when the stabilizer bar is assembled through the rubber material layer, the rubber material layer The grip force is improved by preventing slippage between (4) and the outer circumferential surface of the stabilizer bar.

또한 도 4에 도시한 바와 같이 차체의 서포터 빔(6)에는 부시의 외곽 형상에 상응하는 반원호 형상의 부시좌면이 형성되고, 상기 부시좌면과 형합하여 부시를 감싸도록 커버케이스(7)가 상기 서포터 빔에 볼트로 체결되며, 상기 부시를 관통해서 스태빌라이저바아가 조립되어 지지된다.In addition, as shown in FIG. 4, the supporter beam 6 of the vehicle body is formed with a semicircular arc shaped bushing surface corresponding to the outer shape of the bush, and the cover case 7 is formed so as to surround the bush in combination with the bushing seating surface. Bolted to the supporter beam, the stabilizer bar is assembled and supported through the bush.

상기 커버케이스(7)는 반원호 형상을 하고서 그 내주면에는 걸림홈(7a)이 형성되고, 상기 스틸재 층(2)에는 상기 걸림홈(7a)에 삽입되어 걸리는 다수개의 걸림돌기(2a)가 형성되어, 부시의 축방향 이탈이 상기 걸림홈과 걸림돌기의 사호작용으 로 방지되게 된다.The cover case 7 has a semicircular arc shape, and a locking groove 7a is formed at an inner circumferential surface thereof, and a plurality of locking protrusions 2a are inserted into the locking groove 7a at the steel layer 2. Is formed, the axial separation of the bush is prevented by the interaction between the locking groove and the locking projection.

상기 커버케이스는 상기 서포터 빔에 볼트로 체결되어 있어서, 부시의 내구성 저하로 인해 부시의 교체작업을 할 때에 상기 커버케이스를 제거한 후에 부시를 교체하면 되므로, 부시의 교체작업성도 향상되게 된다.Since the cover case is fastened to the supporter beam by bolts, the bush may be replaced after removing the cover case when the bush is replaced due to the durability of the bush, thereby improving the workability of the bush.

이상 설명한 바와 같이 본 발명에 따른 차량의 스태빌라이저바아 부시구조에 의하면, 스틸재 층과 알루미늄재 층 및 고무재 층의 3층 구조로 이루어지면서 고무재 층의 두께가 상대적으로 얇게 형성되어 스태빌라이저바아를 안정되게 지지할 수 있을 뿐만 아니라 고무재 층으로 인한 롤지지강성의 특성변화를 최소화시킬 수 있고, 교체작업이 용이해지며, 부시의 축방향 이탈이 방지될 뿐만 아니라 스태빌라이저바아와의 사이에 그립력을 증대시켜 스태빌라이저바아로 인한 차체의 롤링 억제효과를 향상시킬 수 있는 등의 효과가 있다.As described above, according to the stabilizer bar bush structure of the vehicle according to the present invention, the stabilizer bar is stabilized by forming a relatively thin thickness of the rubber layer while having a three-layer structure of a steel layer, an aluminum layer, and a rubber layer. Not only can it be supported, but also it can minimize the change in the characteristics of the roll support stiffness due to the rubber material layer, make it easier to replace, prevent axial detachment of the bush, and increase the grip between the stabilizer bar. It is possible to improve the effect of suppressing the rolling of the vehicle due to the stabilizer bar.

Claims (5)

스태빌라이저바아를 관통시켜 지지할 수 있는 조립구멍과 절개홀이 형성된 링 형상을 하고서 외층과 내측의 고무재 층으로 된 2단층 구조로 이루어진 차량의 스태빌라이저바아 부시구조.The stabilizer bar bush structure of a vehicle having a two-layer structure consisting of an outer layer and an inner rubber layer having a ring shape with an assembly hole and an incision hole capable of penetrating and supporting the stabilizer bar. 제 1항에 있어서, 상기 고무재 층의 내주면에는 다수개의 비드가 원주방향으로 일정 간격을 두고서 축방향으로 돌출하도록 형성된 것을 특징으로 하는 차량의 스태빌라이저바아 부시구조. The stabilizer bar bush structure of claim 1, wherein a plurality of beads are formed on the inner circumferential surface of the rubber material layer so as to protrude in the axial direction at regular intervals in the circumferential direction. 제 1항에 있어서, 차체의 서포터 빔에는 원호형상의 부시좌면이 형성되고, 상기 부시좌면과 형합하여 부시를 감싸서 지지하는 커버케이스가 상기 서포터 빔에 체결된 것을 특징으로 하는 차량의 스태빌라이저바아 부시구조.2. The stabilizer bar bush structure of claim 1, wherein the supporter beam of the vehicle body is formed with an arc-shaped bush seating surface, and a cover case for joining with the bushing seating surface to surround and support the bush is fastened to the supporter beam. . 제 3항에 있어서, 상기 외층은 외측의 스틸재 층과 가운데의 알루미늄재 층으로 이루어진 것을 특징으로 하는 차량의 스태빌라이저바아 부시구조.4. The stabilizer bar bush structure of claim 3, wherein the outer layer is formed of an outer steel layer and an aluminum layer in the middle. 제 4항에 있어서, 상기 커버케이스의 내주면에는 걸림홈이 형성되고, 상기 스틸재 층에는 상기 걸림홈에 끼워져 걸리는 다수개의 걸림돌기가 형성된 것을 특징으로 하는 차량의 스태빌라이저바아 부시구조.5. The stabilizer bar bush structure according to claim 4, wherein a locking groove is formed on an inner circumferential surface of the cover case, and a plurality of locking protrusions are formed on the locking groove and are caught by the locking groove.
KR1020060124335A 2006-12-08 2006-12-08 Bush structure of stabilizer bar in vehicle Active KR101231516B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106042817A (en) * 2015-04-16 2016-10-26 丰田自动车株式会社 Stabilizer bushing and stabilizer bar mounting device
CN108656886A (en) * 2017-03-31 2018-10-16 十堰精密新动力科技有限公司 Balance shaft bushing of automobile balance suspension

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990019861A (en) * 1997-08-30 1999-03-25 양재신 Stabilizer bar fixing structure of car
JP4118257B2 (en) * 2004-06-23 2008-07-16 東海ゴム工業株式会社 Elastic support device for stabilizer bar

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106042817A (en) * 2015-04-16 2016-10-26 丰田自动车株式会社 Stabilizer bushing and stabilizer bar mounting device
CN108656886A (en) * 2017-03-31 2018-10-16 十堰精密新动力科技有限公司 Balance shaft bushing of automobile balance suspension

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