KR20080009802A - Device of decreasing steering wheel shimmy for an automobile - Google Patents

Device of decreasing steering wheel shimmy for an automobile Download PDF

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Publication number
KR20080009802A
KR20080009802A KR1020060069453A KR20060069453A KR20080009802A KR 20080009802 A KR20080009802 A KR 20080009802A KR 1020060069453 A KR1020060069453 A KR 1020060069453A KR 20060069453 A KR20060069453 A KR 20060069453A KR 20080009802 A KR20080009802 A KR 20080009802A
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South Korea
Prior art keywords
vibration
tie rod
steering wheel
suspension
vehicle
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KR1020060069453A
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Korean (ko)
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배경일
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기아자동차주식회사
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Priority to KR1020060069453A priority Critical patent/KR20080009802A/en
Publication of KR20080009802A publication Critical patent/KR20080009802A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D7/00—Steering linkage; Stub axles or their mountings
    • B62D7/22—Arrangements for reducing or eliminating reaction, e.g. vibration, from parts, e.g. wheels, of the steering system
    • B62D7/228—Arrangements for reducing or eliminating reaction, e.g. vibration, from parts, e.g. wheels, of the steering system acting between the steering gear and the road wheels, e.g. on tie-rod
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D3/00—Steering gears
    • B62D3/02—Steering gears mechanical
    • B62D3/12—Steering gears mechanical of rack-and-pinion type
    • B62D3/126—Steering gears mechanical of rack-and-pinion type characterised by the rack
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C25/00—Alighting gear
    • B64C25/32—Alighting gear characterised by elements which contact the ground or similar surface 
    • B64C25/50—Steerable undercarriages; Shimmy-damping
    • B64C25/505—Shimmy damping

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)

Abstract

An apparatus for reducing shimmy of a steering wheel for a vehicle is provided to reduce vibration transferred to a steering system when driving the vehicle at a high speed by absorbing proper vibration of a suspension. A shimmy reducing apparatus comprises as follows. A tie rod(100), in which one end of the tie rod(100) is coupled to a rack bar(200) and the other end of the tie rod(100) is coupled to a knuckle(600). A coupling section makes contact with a lower surface of the tie rod. A vibration section extends from one side of the coupling section. A weight body is installed at a lower part of the vibration section so that the vibration section vibrates according to vibration generated from a suspension system. The vibration section has a natural frequency identical to a natural frequency generated when the suspension vibrates.

Description

자동차용 스티어링휠의 시미 저감장치{Device of Decreasing Steering Wheel Shimmy for an Automobile}Device of Decreasing Steering Wheel Shimmy for an Automobile}

도 1은 일반적인 자동차용 스티어링휠의 구성도1 is a configuration diagram of a general automotive steering wheel

도 2는 본 발명인 자동차용 스티어링휠의 시미 저감장치가 장착된 상태를 보인 스티어링휠의 구성도Figure 2 is a configuration of the steering wheel showing a state in which the device for reducing the taste of the present invention steering wheel for the vehicle

도 3은 본 발명의 스티어링휠의 시미 저감장치가 장착된 상태를 보인 정면도Figure 3 is a front view showing a state equipped with a shimi reduction device of the steering wheel of the present invention

도 4는 본 발명인 스티어링휠의 시미 저감장치가 장착된 상태를 보인 측면도Figure 4 is a side view showing a state equipped with a rice taste reducing device of the present invention steering wheel

도 5는 본 발명인 스티어링휠의 시미 저감장치가 작동되는 상태를 보인 작동상태도Figure 5 is an operating state showing the state in which the taste reduction device of the present invention steering wheel operating

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

100 : 타이로드 200 : 랙바100: tie rod 200: rack bar

600 : 너클 700 : 시미저감 장치600: knuckle 700: taste reduction device

710 : 결합부 720 : 떨림부710: coupling portion 720: shaking portion

730 : 중량체730: weight

본 발명은 자동차의 스티어링휠 시미(shimmy) 즉, 스티어링휠 방향으로의 진동을 저감시키는 장치에 관한 것으로서, 더욱 더 상세하게는 차량을 고속 주행 시에도 바퀴로부터 역입력되는 진동이 감소되도록 하는 자동차용 스티어링휠의 시미 저감장치에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for reducing vibration in a steering wheel shimmy, that is, in a steering wheel direction, and more particularly, for a vehicle for reducing vibration inputted from a wheel even when the vehicle is driven at high speed. It relates to a device for reducing the taste of a steering wheel.

일반적으로 자동차를 운행시에는 노면 조건 이외에도 차체의 구조는 물론, 마운팅계의 구조 및 바퀴와 휠의 언바란스 및 자체의 불균일 등으로 인하여 바퀴에 회전 방향 및 반경 방향으로 다양한 진동이 발생하며, 이러한 바퀴의 진동은 도 1에서와 같이 스티어링계를 이루는 타이로드(100)와 랙바(200) 및 상기 랙바(200)에 연결된 컬럼 샤프트(300)를 통하여 스티어링 휠(400)로 전달되는 바, 이는 운전자에게 불쾌감을 유발시킬 뿐만 아니라 피로가 누적되어 스티어링 계의 내구성에도 악영향을미치게 된다.In general, when driving a car, in addition to the road surface conditions, as well as the structure of the vehicle body, as well as the structure of the mounting system and the unbalance of wheels and wheels and their own unevenness, various vibrations occur in the rotational direction and the radial direction of the wheels. Vibration is transmitted to the steering wheel 400 through the tie rod 100 forming the steering system and the rack bar 200 and the column shaft 300 connected to the rack bar 200 as shown in FIG. 1, which is unpleasant to the driver. In addition to causing fatigue, fatigue accumulates and adversely affects the durability of the steering system.

특히, 도 1에서와 같이 고속주행 중 타이어(500)와 휠과의 언바란스에 의하여 타이어(500)가 구를 때 언바란스 질량에 의한 원심력으로 인하여 서스펜션이 전후로 진동하게 된다.In particular, when the tire 500 is rolled due to unbalance between the tire 500 and the wheel during high-speed driving, the suspension vibrates back and forth due to the centrifugal force caused by the unbalanced mass.

이때, 타이어(500)의 구름속도가 서스펜션의 고유진동수와 일치하게되면 그 움직임이 심하게되고, 그 진동이 타이로드(100)를 통하여 랙바(200)로 전달되고, 상기 랙바(200)로 전달된 진동은 스티어링 휠(400)로 전달되는 시미현상이 발생하게 됨으로써, 차량을 운행시 운전자의 조향 안정성이 저해된다.At this time, if the rolling speed of the tire 500 coincides with the natural frequency of the suspension, the movement becomes severe, and the vibration is transmitted to the rack bar 200 through the tie rod 100 and transmitted to the rack bar 200. Vibration is a taste phenomenon that is transmitted to the steering wheel 400, the steering stability of the driver when driving the vehicle is impaired.

이로 인해 운전자가 불안감을 느끼게 됨으로써, 안전 운행을 제대로 수행할 수 없게 되는 문제점이 있었다.This causes the driver to feel anxiety, there was a problem that can not perform a safe driving properly.

본 발명의 목적은 차량을 고속 운행시 서스펜션의 고유진동을 흡수하여 스티어링계로 전달되는 진동이 저감되도록 함으로써, 운전자의 조정안정성을 향상시켜, 안전 운행을 수행할 수 있도록 하는 자동차용 스티어링휠의 시미 저감장치를 제공하는 데 있다.An object of the present invention is to absorb the intrinsic vibration of the suspension when driving the vehicle to reduce the vibration transmitted to the steering system, thereby improving the coordination stability of the driver, to reduce the taste of the steering wheel for automobiles to perform safe driving To provide a device.

이러한 본 발명의 목적은 스티어링을 구성하는 랙바(200)에 일측단부가 결합되고 타측단부는 너클(600)에 결합되는 서스펜션의 타이로드(100)의 저면에 시미저감 장치(700)가 설치되는 것에 의해 달성된다.An object of the present invention is that the taste reduction device 700 is installed on the bottom surface of the tie rod 100 of the suspension coupled to one end and the other end is coupled to the knuckle 600 to the rack bar 200 constituting the steering Is achieved.

한편, 상기 시미 저감장치(700)는 타이로드(100)의 저면에 상부면이 접촉된 상태로 볼트(740)체결되는 결합부(710)가 상부에 형성되고, 상기 결합부(710)의 일측에는 떨림부(720)가 하부로 돌출되게 절곡 연장되어 형성되며, 상기 떨림부(720)의 하부에는 서스펜션계에서 발생하는 진동양만큼 떨림부(720)가 진동되도록 하는 중량체(730)가 설치됨을 밝혀 둔다.On the other hand, the taste reduction device 700 has a coupling portion 710 which is fastened to the bolt 740 in the state in which the upper surface is in contact with the bottom surface of the tie rod 100 is formed on the upper side, one side of the coupling portion 710 The shaking part 720 is formed to be bent and extended to protrude downward, the weight body 730 is installed in the lower portion of the shaking part 720 to vibrate the shaking part 720 by the amount of vibration generated in the suspension system. Leave it on.

이러한 본 발명에 따르면 차량을 고속으로 운행하는 것에 의해 서스펜션에 진동이 발생하면 타이로드(100)의 저면에 결합부(710)의 상부면이 접촉되도록 볼트(740)체결되어 있는 시미저감 장치(700)의 떨림부(720)가 중량체(730)에 의해 좌 우로 이동되면서 진동을 흡수하게 된다.According to the present invention, when the vibration occurs in the suspension by driving the vehicle at high speed, the taste reduction device 700 is fastened to the bolt 740 such that the upper surface of the coupling portion 710 is in contact with the bottom of the tie rod 100. The vibration portion 720 of the) is moved to the left and right by the weight body 730 to absorb the vibration.

이하, 첨부된 도면에 의하여 본 발명의 그 기술적 구성을 상세히 설명하면 다음과 같다. Hereinafter, the technical configuration of the present invention with reference to the accompanying drawings in detail as follows.

도 2는 본 발명인 자동차용 스티어링휠의 시미 저감장치가 장착된 상태를 보인 스티어링휠의 구성도 이고, 도 3은 본 발명의 스티어링휠의 시미 저감장치가 장착된 상태를 보인 정면도 이며, 도 4는 본 발명인 스티어링휠의 시미 저감장치가 장착된 상태를 보인 측면도 이고, 도 5는 본 발명인 스티어링휠의 시미 저감장치가 작동되는 상태를 보인 작동상태도 이다.Figure 2 is a configuration of the steering wheel showing a state in which the shimi reduction device of the present invention steering wheel is mounted, Figure 3 is a front view showing a state where the shimi reduction device of the steering wheel of the present invention is mounted, Figure 4 Figure 2 is a side view showing the state of the present invention is equipped with a shimi reduction device of the steering wheel, Figure 5 is an operating state diagram showing a state in which the shimi reduction device of the present invention steering wheel is operated.

본 발명의 자동차용 스티어링휠의 시미 저감장치는 도 2와 도 3및 도 4와 도 5에 도시하고 있는 바와 같이, 스티어링계를 형성하고 랙바(200)에 일측단부가 결합되고 타측단부는 너클(600)에 결합되는 서스펜션의 타이로드(100)의 저면에 시미 저감장치(700)의 결합부(710)를 밀착시킨 상태로 볼트(740)체결 시키게되면, 상기 결합부(710)의 일측 하부로 돌출형성된 떨림부(720)가 중량체(730)에 의해 좌우로 이동되면서 서스펜션에서 발생된 진동을 진동을 흡수하게 된다.As shown in FIGS. 2 and 3 and 4 and 5, the apparatus for reducing the taste of the steering wheel for a vehicle of the present invention forms a steering system, and one end is coupled to the rack bar 200, and the other end is knuckle ( When the bolt 740 is fastened in a state in which the coupling part 710 of the shimi reduction device 700 is closely attached to the bottom surface of the tie rod 100 of the suspension coupled to 600, one side of the coupling part 710 is lowered. The protruding trembling portion 720 is moved to the left and right by the weight body 730 to absorb the vibration generated in the suspension.

이때, 상기 떨림부(720)는 서스펜션의 전후진동시 발생되는 고유진동수와 일치되는 고유진동수를 갖도록 형성됨을 밝혀 둔다.At this time, the vibration unit 720 is found to be formed to have a natural frequency that matches the natural frequency generated during the front and rear vibration of the suspension.

이와 같이 구성되는 본 발명은 고속주행 중 타이어(500)와 휠과의 언바란스에 의하여 타이어(500)가 구를 때 언바란스 질량에 의한 원심력으로 인하여 서스펜션이 전후로 진동하고, 그 진동이 타이로드(100)로 전달되어지게 된다. According to the present invention configured as described above, when the tire 500 is rolled due to unbalance of the tire 500 and the wheel during high-speed driving, the suspension vibrates back and forth due to the centrifugal force due to the unbalanced mass, and the vibration is the tie rod 100. To be delivered.

상기 타이로드(100)로 전달된 진동은 시미 저감장치(700)의 결합부(710)를 통해 떨림부(720)로 전달되고, 상기 떨림부(720)로 전달된 진동은 중량체(730)로 전달을 하면서 좌우로 이동되면서 진동을 흡수하게 된다.The vibration transmitted to the tie rod 100 is transmitted to the trembling unit 720 through the coupling portion 710 of the taste reduction device 700, and the vibration transmitted to the trembling unit 720 is the weight body 730 While moving to the left and right to absorb vibrations.

이로인해 서스펜션에서 발생된 진동이 타이로드(100) 및 랙바(200)를 거쳐 컬럼 샤프트(300)로 전달되는 것이 저감되고, 상기 컬럼 샤프트(300)로 전달되는 진동이 저감되는 것에 의해 스티어링휠(400)로 전달되는 진동도 역시 저감되어지게 된다.As a result, the vibration generated in the suspension is reduced from being transmitted to the column shaft 300 via the tie rod 100 and the rack bar 200, and the vibration transmitted to the column shaft 300 is reduced, thereby reducing the steering wheel ( The vibration transmitted to 400 is also reduced.

따라서 이러한 본 발명은 차량을 고속 운행시 서스펜션에서 발생된 고유진동이 타이로드의 저면에 설치된 시미 저감장치에 의해 저감되어지게 됨으로써, 차량을 고속으로 운행시에[도 운전자의 조정안정성을 향상되어지게 됨은 물론, 상기 차량을 운행하는 운전자가 안전 운행을 수행할 수 있도록 하는 효과가 있는 매우 유용한 발명이다.Therefore, the present invention is to reduce the natural vibration generated in the suspension when the vehicle is running at a high speed by the shimi reduction device installed on the bottom of the tie rod, thereby improving the coordination stability of the vehicle when driving the vehicle at high speed ( Of course, it is a very useful invention that has the effect of enabling the driver to drive the vehicle to perform a safe driving.

Claims (3)

스티어링을 구성하는 랙바(200)에 일측단부가 결합되고 타측단부는 너클(600)에 결합되는 서스펜션의 타이로드(100)의 저면에 시미저감 장치(700)가 설치되는 것을 특징으로 하는 자동차용 스티어링휠의 시미 저감장치.One end is coupled to the rack bar 200 constituting the steering, the other end is a steering device for automobiles characterized in that the taste reducing device 700 is installed on the bottom of the tie rod 100 of the suspension is coupled to the knuckle 600 Desizing device of wheels. 청구항 1에 있어서, 상기 시미 저감장치(700)는 타이로드(100)의 저면에 상부면이 접촉된 상태로체결되는 결합부(710)가 상부에 형성되고, 상기 결합부(710)의 일측에는 떨림부(720)가 하부로 돌출되게 절곡 연장되어 형성되며, 상기 떨림부(720)의 하부에는 서스펜션계에서 발생하는 진동양만큼 떨림부(720)가 진동되도록 하는 중량체(730)가 설치됨을 특징으로 하는 자동차용 스티어링휠의 시미 저감장치.The method of claim 1, wherein the shimi reduction device 700 is formed in the upper coupling portion 710 is fastened in a state in which the upper surface is in contact with the bottom of the tie rod 100, the one side of the coupling portion 710 The shaking part 720 is formed to be bent and extended to protrude downward, and the lower body of the shaking part 720 is provided with a weight body 730 for vibrating the shaking part 720 by the amount of vibration generated in the suspension system. Simi reduction device of the steering wheel for cars characterized in that. 청구항 2에 있어서, 상기 떨림부(720)는 서스펜션의 전후진동시 발생되는 고유진동수와 일치되는 고유진동수를 갖도록 형성됨을 특징으로 하는 자동차용 스티어링휠의 시미 저감장치.The apparatus of claim 2, wherein the shaking part 720 is formed to have a natural frequency that matches the natural frequency generated when the suspension is moved back and forth.
KR1020060069453A 2006-07-25 2006-07-25 Device of decreasing steering wheel shimmy for an automobile KR20080009802A (en)

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KR1020060069453A KR20080009802A (en) 2006-07-25 2006-07-25 Device of decreasing steering wheel shimmy for an automobile

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KR1020060069453A KR20080009802A (en) 2006-07-25 2006-07-25 Device of decreasing steering wheel shimmy for an automobile

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102344784B1 (en) 2020-12-14 2022-01-18 주식회사 청람자동차 Shimi phenomenon reduction device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102344784B1 (en) 2020-12-14 2022-01-18 주식회사 청람자동차 Shimi phenomenon reduction device

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