KR20020081965A - Body Mount bush for the suspension system in a vehicle - Google Patents

Body Mount bush for the suspension system in a vehicle Download PDF

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Publication number
KR20020081965A
KR20020081965A KR1020010021614A KR20010021614A KR20020081965A KR 20020081965 A KR20020081965 A KR 20020081965A KR 1020010021614 A KR1020010021614 A KR 1020010021614A KR 20010021614 A KR20010021614 A KR 20010021614A KR 20020081965 A KR20020081965 A KR 20020081965A
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KR
South Korea
Prior art keywords
rubber
vehicle
upper rubber
frame
mounting bush
Prior art date
Application number
KR1020010021614A
Other languages
Korean (ko)
Inventor
임세빈
Original Assignee
기아자동차주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 기아자동차주식회사 filed Critical 기아자동차주식회사
Priority to KR1020010021614A priority Critical patent/KR20020081965A/en
Publication of KR20020081965A publication Critical patent/KR20020081965A/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G7/00—Pivoted suspension arms; Accessories thereof
    • B60G7/04—Buffer means for limiting movement of arms
    • 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
    • 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
    • B60G2206/80—Manufacturing procedures
    • B60G2206/82—Joining
    • B60G2206/8207—Joining by screwing

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Springs (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

PURPOSE: A mounting bush of a suspension for a vehicle is provided to improve safety and traveling performance of a vehicle, with keeping vibration insulation performance of the vertical direction of a usual mounting bush and improving stiffness to the horizontal external force transmitted to a vehicle body. CONSTITUTION: A mounting bush comprises a through hole(21) formed in the middle part of the body(20), a spacer(22) covering the outer peripheral surface of the through hole, an upper rubber(23), a lower rubber(24), a frame(25), and a plate(26) adhered closely to the upper surface of the upper rubber. A mounting bolt(28) is inserted in the through hole and coupled by a washer(29) and a locking nut(30), and the body is fixed to the lower part of a vehicle body(27). The outer peripheral end of the plate installed to the upper side of the upper rubber is extended and bent downward, and covered to the outer peripheral surface of the upper rubber. The frame body interposed between the upper and lower rubber is bent in a stepped shape and adhered closely to the outer peripheral surface of the upper rubber, and therefore clearance between the upper rubber and the frame is prevented. The end portion of the frame body facing the center of the body is extended and bent downward and a projection for fitting is formed. Therefore, the buffer action to the vibration and impact of the mounting bush is smoothly performed.

Description

차량용 현가장치의 마운팅부쉬{Body Mount bush for the suspension system in a vehicle}Body Mount Bush for the Suspension System in a vehicle

본 발명은 차량용 현가장치의 마운팅 부시에 관한 것으로, 더욱 상세하게는 기존의 마운팅 부시의 상하방향의 진동절연 성능을 계속 유지시키며 동시에 전후및 좌우의 강성도 함께 증가시킬 수 있는 마운팅 부시에 관한 것이다.The present invention relates to a mounting bush of a vehicle suspension device, and more particularly, to a mounting bush that can maintain the vibration isolation performance of the existing mounting bush in the vertical direction and at the same time increase the stiffness of the front and rear and left and right.

일반적으로 자동차의 현가장치는 차체와 차축 사이에 연결되어 주행시 노면의 기복으로 인한 상하진동이나 선회시 또는 급제동시의 차체 좌우 흔들림을 허용하며 차체의 충격완화와 함께 자동차 탑승자에게 좋은 승차감을 제공하는 역할을 담당한다.In general, the suspension of the vehicle is connected between the vehicle body and the axle to allow the vehicle to swing up and down due to the ups and downs of the road surface, when the vehicle is turning, or to shake the vehicle left and right during turning or sudden braking. In charge of.

특히, 이러한 자동차의 현가장치에는 이에 연결되어 사용되는 각 로드의 양단부에 마운팅 부시를 설치하여 주행시 차륜으로부터 전달되는 진동 및 충격을 완화시킴으로써 비포장 도로에서의 주행성을 향상시키고 있다.In particular, the suspension of the vehicle is provided with mounting bushings at both ends of each rod used in connection with it to improve the driving performance on the unpaved road by mitigating the vibration and shock transmitted from the wheel during driving.

첨부된 도1은 이와 같은 마운팅 부시의 개략적인 구조를 나타낸 것으로, 원통형의 본체(1) 중앙에 상하로 관통되는 관통홀(2)이 형성되고, 본체(1) 내부에서 상기 관통홀(2)의 외주부를 둘러싸는 스페이서(3)와 상기 스페이서(3)의 외주부에 구비되는 상부러버(4) 및 하부러버(5), 그리고 상기 상/하부러버(4,5) 사이에 개재되는 프레임(6)과, 상기 상부러버(4)의 상면에 밀착되며 구비되는 플레이트(7)로 구성되어 상기 본체(1)의 관통홀(2)에 마운팅볼트(8)를 삽입하여 와셔(9) 및 록킹너트(10)로 차체(11)하부에 고정시켜 사용한다.Attached Figure 1 shows a schematic structure of such a mounting bush, the through-hole 2 is formed in the center of the cylindrical body (1) vertically penetrating, the through hole (2) inside the body (1) A frame 6 interposed between the spacer 3 surrounding the outer circumferential portion of the spacer 3 and the upper rubber 4 and the lower rubber 5 provided at the outer circumferential portion of the spacer 3, and the upper and lower rubbers 4 and 5. ) And a plate (7) which is provided in close contact with the upper surface of the upper rubber (4), and the mounting bolt (8) is inserted into the through hole (2) of the main body (1) by the washer (9) and the locking nut It is used to fix it to the lower part of the vehicle body 11 by (10).

따라서, 본체(1) 내부에 구비되는 상/하부러버(4,5)의 탄력적인 물성을 이용하여 주행시 노면의 기복에 의해 차륜의 상,하방향으로 가해지는 외력에 따른 급격한 진동을 완화시키게 된다.Therefore, by using the elastic properties of the upper / lower rubber (4, 5) provided in the main body 1 to reduce the sudden vibration due to the external force applied to the up and down of the wheel by the ups and downs of the road surface when driving. .

그러나, 상술한 구조의 마운팅 부시는 자동차의 주행시 외력에 의해 차체(11)에 전달되는 상/하진동 및 충격을 저감시켜 승객에게 좋은 자동차 승차감을 제공할 수는 있지만, 차체의 전후좌우 방향, 즉, 횡방향으로 가해지는 외력에 대응되는 구조는 매우 취약하여 자동차의 주행 안정성 향상에 큰 한계가 있었다.However, the mounting bush of the above-described structure can reduce the up / down vibration and impact transmitted to the vehicle body 11 by the external force when the vehicle is driven, thereby providing a good vehicle riding comfort to the passengers. Therefore, the structure corresponding to the external force applied in the lateral direction is very weak, and there is a big limitation in improving the driving stability of the vehicle.

이에, 본 발명은 상기한 문제점을 해결하기 위하여 안출된 것으로서, 본 발명의 목적은 기존의 마운팅 부시의 상하방향의 진동절연 성능을 계속 유지시키며, 동시에 차체에 전달되는 횡방향 외력에 대한 강성도 증가시켜 차량의 안정성과 주행성능을 더욱 향상시킬 수 있는 차량용 현가장치의 마운팅 부시를 제공하는 것이다.Accordingly, the present invention has been made to solve the above problems, the object of the present invention is to maintain the vibration insulation performance of the existing mounting bush in the vertical direction, and at the same time increase the stiffness to the lateral external force transmitted to the vehicle body It is to provide a mounting bush of a vehicle suspension that can further improve the stability and running performance of the vehicle.

도 1 은 종래의 차량용 현가장치의 마운팅부시의 구조를 나타낸 개략 단면도.1 is a schematic cross-sectional view showing the structure of a mounting bush of a conventional vehicle suspension device.

도 2 는 본 발명에 따른 차량용 현가장치의 마운팅부시의 구조를 도시한 개략 단면도.Figure 2 is a schematic cross-sectional view showing the structure of the mounting bush of the vehicle suspension according to the present invention.

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

20 : (마운팅 부시의)본체 21 : 관통홀20: main body 21 of the mounting bush

22 : 스페이서 23 : 상부러버22: spacer 23: upper rubber

24 : 하부러버25 : 프레임24: lower rubber 25: frame

26 : 플레이트27 : 차체26 plate 27 body

28 : 마운팅 볼트30 : 록킹너트28: mounting bolt 30: locking nut

본 발명은 상기와 같은 목적을 달성하기 위해서 다음과 같이 구성된다. 즉, 본 발명은 원통형의 본체 내부에 상/하부러버, 프레임, 플레이트, 스페이서를 구비하며 차체의 하부에서 마운팅볼트와 와셔 및 록킹너트에 의해 상기 차체에 고정되는 마운팅 부시에 있어서, 상기 플레이트의 외주단을 일정길이 연장, 하부로 절곡하여 상부러버의 외주면에 밀착하도록 형성하고, 상/하부러버 사이에 개재되는 상기 프레임의 몸체를 계단식으로 절곡하여 상부러버의 외주면에 견고하게 밀착되도록 형성하며, 상기 몸체의 내측 단부를 일정길이 연장, 하부로 절곡 형성한 것을 특징으로 한다.The present invention is configured as follows to achieve the above object. That is, the present invention is a mounting bush having an upper / lower rubber, a frame, a plate, and a spacer in a cylindrical body and fixed to the vehicle body by a mounting bolt, a washer, and a locking nut at a lower portion of the vehicle body. It is formed to be in close contact with the outer circumferential surface of the upper rubber by bending the end to a predetermined length, bent downward, and to be stepwise bent the body of the frame interposed between the upper / lower rubber to form a tight contact with the outer circumferential surface of the upper rubber, It is characterized in that the inner end of the body is formed to be extended to a certain length, bent downward.

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

첨부된 도 2 는 본 발명에 따른 차량용 현가장치의 마운팅 부시 구조를 도시한 도면으로, 원통형의 본체(20) 중앙부에 상하로 관통 형성되는 관통홀(21)과, 상기 본체(20) 내부에서 일정두께를 가지며 상기 관통홀(21)의 외주면을 둘러싸며 형성된 스페이서(22)와, 상기 스페이서(22)의 외주면을 감싸며 설치되는 고무재의 상부러버(23) 및 하부러버(24)와, 이들 사이에 개재되며 하부로 연결되는 프레임(25) 및, 본체(20) 내에서 상기 상부러버(23)의 상면에 밀착되며 설치되는 플레이트(26)로 구성되어 상기 관통홀(21)에 마운팅볼트(28)를 삽입하고 와셔(29) 및 록킹너트(30)로 체결하여 본체(20)를 차체(27)하부에 고정시켜 사용되는 공지의 마운팅 부시에 있어서, 상기 상부러버(23) 상측에 구비되는 플레이트(26)의 외주단을 소정의 길이로 연장하고 이를 하부로 절곡하여 상부러버(26)의 외주면에 견고하게 밀착 감싸도록 구성하고(A), 또한 상기 상/하부러버(23,24) 사이에 개재되는 프레임(25) 몸체를 계단식으로 절곡하여 상부러버(23)의 외주면에 견고하게 밀착하며 감싸도록 하여 상부러버(23)와 프레임(25) 사이에 이격공간이 존재하지 않도록 구성하며(B), 본체(20)의 중심으로 향하는 상기 프레임(25) 몸체의 단부를 소정길이 연장하고 이를 하부로 절곡하여 길이 연장, 하부로 절곡시켜 걸림턱을 형성한다(C).2 is a view illustrating a mounting bush structure of the suspension device for a vehicle according to the present invention. The through hole 21 is formed to penetrate up and down in a central portion of the cylindrical body 20, and the inside of the body 20 is fixed. A spacer 22 having a thickness and formed to surround the outer circumferential surface of the through hole 21, an upper rubber 23 and a lower rubber 24 of rubber material installed to surround the outer circumferential surface of the spacer 22, and therebetween Interposed and connected to the lower frame 25 and the plate 26 is installed in close contact with the upper surface of the upper rubber 23 in the main body 20 is mounted to the through-hole 21 mounting bolt 28 In the well-known mounting bush used to fix the main body 20 to the lower part of the vehicle body 27 by inserting the washer 29 and the locking nut 30, the plate provided above the upper rubber 23 ( 26) extend the outer circumferential end to a predetermined length and bend it downward; It is configured to tightly wrap around the outer circumferential surface of the upper rubber 26 (A), and also bend the frame 25 body interposed between the upper / lower rubber (23, 24) step by step of the upper rubber (23) It is configured to be tightly wrapped around the outer circumferential surface so that there is no space between the upper rubber 23 and the frame 25 (B), the end of the body of the frame 25 toward the center of the body 20 It extends a predetermined length and is bent downward to extend the length, bent downward to form a locking step (C).

상기와 같이 구조를 갖는 본 발명은 플레이트(26)의 하부 절곡부가 상부러버(23)의 횡방향의 이동을 차단함과 동시에 프레임(25)이 상/하부러버(23,24)에 견고하게 밀착하여 이를 지지할 수 있기 때문에, 자동차 주행시 마운팅 부시에 상하방향 및 전후좌우 방향의 외력이 인가되어도 상기 상/하부러버(23,24)의 탄성적 물성에 의해 마운팅 부시의 원활한 진동 및 충격 완충작용이이루어지게 된다.According to the present invention having the structure as described above, the lower bent portion of the plate 26 blocks the transverse movement of the upper rubber 23 and at the same time, the frame 25 is firmly adhered to the upper / lower rubbers 23 and 24. Since it can support this, even when an external force is applied to the mounting bush in the up-down direction, front-rear, left-right direction while driving a vehicle, smooth vibration and shock buffering action of the mounting bush is achieved by the elastic properties of the upper / lower rubbers 23 and 24. Will be done.

본 발명은 전술한 실시 예에 국한되지 않고 본 발명의 기술 사상이 허용하는 범위 내에서 다양하게 변형하여 실시할 수가 있다.The present invention is not limited to the above embodiments, and various modifications can be made within the scope of the technical idea of the present invention.

상기한 구성의 본 발명에 따르면, 본체 내에 장착되는 플레이트 및 프레임이 전후좌우의 흔들림 없이 러버에 견고하게 밀착되며 횡방향 강성을 보완해주기 때문에 횡방향의 외력으로 인한 충격 완충작용이 더욱 증가되어 차량의 직진 안정성과 핸들링 성능을 향상시킬 수 있을 뿐만 아니라 차량의 비포장 도로에서의 주행성능도 향상시킬 수 있는 효과가 있다.According to the present invention of the above configuration, the plate and the frame mounted in the main body is firmly adhered to the rubber without shaking back and forth and left and right, and compensates the stiffness in the lateral direction further increases the shock buffering effect due to the external force in the lateral direction of the vehicle In addition to improving straight-line stability and handling performance, the driving performance of the vehicle on the off-road can be improved.

Claims (1)

원통형의 본체 중앙부에 상하로 관통 형성되는 관통홀과, 상기 본체 내부에서 일정두께를 가지며 상기 관통홀의 외주면을 둘러싸며 형성된 스페이서와, 상기 스페이서의 외주면을 감싸며 설치되는 고무재의 상부러버 및 하부러버와, 이들 사이에 개재되며 하부로 연결되는 프레임 및, 본체 내에서 상기 상부러버의 상면에 밀착되며 설치되는 플레이트로 구성되어 상기 관통홀에 마운팅볼트를 삽입하고 와셔 및 록킹너트로 체결하여 본체를 차체하부에 고정시켜 사용되는 공지의 마운팅 부시에 있어서,A through hole penetrating up and down in a central portion of the cylindrical body, a spacer having a predetermined thickness inside the body and surrounding the outer circumferential surface of the through hole, an upper rubber and a lower rubber of the rubber material being installed to surround the outer circumferential surface of the spacer; It is composed of a frame interposed therebetween and connected to the bottom, and a plate which is installed in close contact with the upper surface of the upper rubber in the main body, inserting a mounting bolt into the through hole and fastening with a washer and a locking nut to fasten the main body to the lower part of the vehicle body. In the known mounting bush used to be fixed, 상기 상부러버 상측에 구비되는 플레이트의 외주단을 소정의 길이로 연장하고 이를 하부로 절곡하여 상부러버의 외주면에 견고하게 밀착 감싸도록 구성하고, 또한 상기 상/하부러버 사이에 개재되는 프레임 몸체를 계단식으로 절곡하여 상부러버의 외주면에 견고하게 밀착하며 감싸도록 하여 상부러버와 프레임 사이에 이격공간이 존재하지 않도록 구성하며, 본체의 중심으로 향하는 상기 프레임 몸체의 단부를 소정길이 연장하고 이를 하부로 절곡하여 걸림턱을 형성시킨 것을 특징으로 하는 차량용 현가장치의 마운팅 부시.The outer circumferential end of the plate provided on the upper rubber upper side is extended to a predetermined length and bent downward so as to be tightly wrapped around the outer circumferential surface of the upper rubber, and the frame body interposed between the upper and lower rubbers is stepped. It is bent so as to tightly adhere to the outer circumferential surface of the upper rubber and wrapped so that there is no space between the upper rubber and the frame, and extends the end of the frame body toward the center of the main body by a predetermined length and bends it downward. Mounting bush of the vehicle suspension, characterized in that the locking jaw is formed.
KR1020010021614A 2001-04-21 2001-04-21 Body Mount bush for the suspension system in a vehicle KR20020081965A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020088917A (en) * 2001-05-22 2002-11-29 기아자동차주식회사 Body-Mount in Vehicle
KR100578177B1 (en) * 2004-04-21 2006-05-12 주식회사 대우일렉트로닉스 Rotor bracket for outer rotor type motor

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Publication number Priority date Publication date Assignee Title
JPS5780748U (en) * 1980-11-05 1982-05-19
JPH0241878U (en) * 1988-09-16 1990-03-22
JPH0885318A (en) * 1994-09-16 1996-04-02 Nissan Diesel Motor Co Ltd Mounting structure for shock absorber
JPH10132013A (en) * 1996-10-31 1998-05-22 Honda Motor Co Ltd Damper mount for suspension of vehicle
KR19980018148U (en) * 1996-09-25 1998-07-06 양재신 Suspension Damper Unit Mounting Bush Structure
JPH10306838A (en) * 1997-05-06 1998-11-17 Toyota Motor Corp Upper support structure of shock absorber

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5780748U (en) * 1980-11-05 1982-05-19
JPH0241878U (en) * 1988-09-16 1990-03-22
JPH0885318A (en) * 1994-09-16 1996-04-02 Nissan Diesel Motor Co Ltd Mounting structure for shock absorber
KR19980018148U (en) * 1996-09-25 1998-07-06 양재신 Suspension Damper Unit Mounting Bush Structure
JPH10132013A (en) * 1996-10-31 1998-05-22 Honda Motor Co Ltd Damper mount for suspension of vehicle
JPH10306838A (en) * 1997-05-06 1998-11-17 Toyota Motor Corp Upper support structure of shock absorber

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020088917A (en) * 2001-05-22 2002-11-29 기아자동차주식회사 Body-Mount in Vehicle
KR100578177B1 (en) * 2004-04-21 2006-05-12 주식회사 대우일렉트로닉스 Rotor bracket for outer rotor type motor

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