KR100764211B1 - Rack stopper of steering device for vehicle - Google Patents

Rack stopper of steering device for vehicle Download PDF

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Publication number
KR100764211B1
KR100764211B1 KR1020010065996A KR20010065996A KR100764211B1 KR 100764211 B1 KR100764211 B1 KR 100764211B1 KR 1020010065996 A KR1020010065996 A KR 1020010065996A KR 20010065996 A KR20010065996 A KR 20010065996A KR 100764211 B1 KR100764211 B1 KR 100764211B1
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South Korea
Prior art keywords
rack
housing
stopper
ball housing
rack stopper
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KR1020010065996A
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Korean (ko)
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KR20030033837A (en
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이영규
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주식회사 만도
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    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
    • B62D5/20—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle specially adapted for particular type of steering gear or particular application
    • B62D5/22—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle specially adapted for particular type of steering gear or particular application for rack-and-pinion type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2306/00—Other features of vehicle sub-units
    • B60Y2306/09—Reducing noise

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

Abstract

본 발명은 차량용 조향장치의 랙스톱퍼에 관한 것으로서, 그 목적은 랙스톱퍼와 이에 밀착되는 볼하우징의 사이에 충격음을 방지함과 더불어 설치가 용이하도록 간단한 구조의 완충부재를 마련한 차량용 조향장치의 랙스톱퍼를 제공하는 것이며, 중공으로 마련된 랙하우징(10)의 내부에 축방향으로 이동 가능하게 설치되되 양단은 상기 랙하우징(10)의 외부로 연장된 랙바(20), 상기 랙바(20)의 외부면과 상기 랙하우징(10)의 양단측 내부면 사이에 마련된 랙스톱퍼(40), 상기 랙바(20)의 양단에 결합되며 개구형성된 일측으로는 볼부(52)가 삽입되는 볼하우징(51)이 구비된 차량용 조향장치에 있어서, 상기 랙스톱퍼(40)와 볼하우징(51)이 밀착되어 발생되는 충격음을 저감시킬 수 있도록 상기 랙스톱퍼(40)와 볼하우징(51)의 사이에는 고무재질의 완충부재(70)가 구비되는 구성이다. The present invention relates to a rack stopper for a vehicle steering apparatus, and an object thereof is to provide a rack stopper for a vehicle steering apparatus provided with a shock absorbing member having a simple structure to prevent an impact sound between the rack stopper and a ball housing closely attached thereto and to facilitate installation. It is to provide, and is installed to be movable in the axial direction in the interior of the rack housing 10 provided in a hollow, both ends of the rack bar 20 extending to the outside of the rack housing 10, the outer surface of the rack bar 20 And a rack stopper 40 provided between the inner end surfaces of both ends of the rack housing 10 and a ball housing 51 coupled to both ends of the rack bar 20 and having an opening formed at one side thereof. In the vehicular steering device, a rubber buffer member is provided between the rack stopper 40 and the ball housing 51 so as to reduce the impact sound generated by the rack stopper 40 and the ball housing 51 in close contact. 70 Furniture A configuration.

랙스톱퍼, 볼하우징, 완충부재, 돌기부, 설치부Rack stopper, ball housing, shock absorbing member, protrusion, mounting part

Description

차량용 조향장치의 랙스톱퍼{RACK STOPPER OF STEERING DEVICE FOR VEHICLE}RACK STOPPER OF STEERING DEVICE FOR VEHICLE}

도 1은 종래 랙스톱퍼의 설치상태를 보인 단면도이다. 1 is a cross-sectional view showing an installation state of a conventional rack stopper.

도 2는 본 발명에 따른 랙스톱퍼의 설치상태를 보인 단면도이다. 2 is a cross-sectional view showing an installation state of a rack stopper according to the present invention.

도 3은 본 발명에 따른 랙스톱퍼의 분해사시도이다. 3 is an exploded perspective view of the rack stopper according to the present invention.

〈도면의 주요 부분에 대한 부호의 설명〉<Explanation of symbols for main parts of drawing>

10:랙하우징 11:유압제어밸브10: rack housing 11: hydraulic control valve

20:랙바 21:피스톤20: rack bar 21: piston

30:랙부시 40:랙스톱퍼30: rack bush 40: rack stopper

41:설치홈 50:이너볼 조인트41: mounting groove 50: inner ball joint

51:볼하우징 52:볼부51: ball housing 52: ball part

60:타이로드 70:완충부재60: tie rod 70: buffer member

71:돌기부 72:설치부71: projection portion 72: mounting portion

본 발명은 차량용 조향장치의 랙스톱퍼에 관한 것으로, 더욱 상세하게는 랙하우징의 양단에 설치된 랙스톱퍼와, 이에 밀착되도록 랙바에 연결된 볼하우징 사 이에 완충부재를 마련한 차량용 조향장치의 랙스톱퍼에 관한 것이다. The present invention relates to a rack stopper of a vehicle steering apparatus, and more particularly, to a rack stopper of a vehicle steering apparatus provided with a shock absorbing member between a rack stopper provided at both ends of a rack housing and a ball housing connected to a rack bar to closely contact the rack stopper. .

일반적으로 차량용 조향장치는 조향휠에서 발생되는 회전력을 조향륜에 전달할 수 있도록 그 사이에 마련되는 것으로서, 조향휠에 연결되는 조향축과, 이 조향축에 연결된 기어박스, 그리고 기어박스의 양측에 이너볼 조인트로서 연결된 타이로드 등을 구비하여 마련된다. In general, a vehicle steering device is provided between the steering wheels so as to transmit the rotational force generated from the steering wheels to the steering wheels, and a steering shaft connected to the steering wheel, a gear box connected to the steering wheel, and inner sides of the gear box are provided. It is provided with a tie rod etc. connected as a ball joint.

도 1은 종래 랙스톱퍼의 설치상태를 보인 단면도이다. 이에 도시된 바와 같이, 좌, 우측으로 길게 중공으로 마련되어 내부에 랙바(2)가 설치되고 중간 일측에는 랙바(2)와 교차하는 방향으로 유압제어밸브(1a)가 설치된 랙하우징(1)이 마련된다. 1 is a cross-sectional view showing an installation state of a conventional rack stopper. As shown in the figure, the rack bar 2 is provided in the hollow to the left, the right side is installed inside the rack housing 1 is provided with a hydraulic control valve (1a) in the direction intersecting the rack bar (2) on one side of the middle. do.

이 랙하우징(1)의 내부에 설치되는 랙바(2)는 미도시된 중간 일측에 랙이 형성되고, 중간 타측에는 피스톤(2a)이 마련되어 유압제어밸브(1a)의 중심측에 마련된 피니언과 랙이 치합되어 동력을 전달받음과 동시에 유압제어밸브(1a)에서 공급되는 유압으로 인해 좌, 우측으로 동작된다. The rack bar 2 installed inside the rack housing 1 has a rack formed on one side of a middle portion (not shown), and a piston 2a is provided on the other side of the rack housing, and a pinion and a rack provided on the center side of the hydraulic control valve 1a. The gear is operated to the left and the right due to the hydraulic pressure supplied from the hydraulic control valve 1a while receiving power.

한편, 랙하우징(1)의 개구된 양측 내부에는 랙바(2)를 지지할 수 있도록 랙하우징(1)과 랙바(2) 사이에 밀착되는 랙부시(3)와, 이 랙부시(3)의 외측으로 마련되어 랙바(2)의 이동을 제한할 수 있도록 중공으로 형성된 금속재의 랙스톱퍼(4)가 설치된다. On the other hand, inside the open both sides of the rack housing 1, the rack bush (3) in close contact between the rack housing (1) and the rack bar (2) so as to support the rack bar (2) of the rack bush (3) It is provided with a rack stopper (4) made of a metal material formed in the outer side to limit the movement of the rack bar (2).

또한, 랙하우징(1)의 외부 양측으로 연장되는 랙바(2)의 양측 선단에는 타이로드(6)가 연결 설치되는데, 이때 타이로드(6)와 랙바(2)는 이너볼 조인트(5)로서 연결된다. In addition, tie rods 6 are installed at both ends of the rack bar 2 extending to the outer both sides of the rack housing 1, wherein the tie rods 6 and the rack bar 2 are inner ball joints 5, respectively. Connected.                         

즉, 이너볼 조인트(5)는 랙바(2)의 양측 선단에 결합되며 일측이 개구된 볼하우징(5a)과, 이에 대응되도록 양측에 마련된 타이로드(6)의 일단에 형성되어 볼하우징(5a)의 내부에 삽입 결합되는 볼부(5b)로서 이루어진다. That is, the inner ball joint 5 is coupled to both front ends of the rack bar 2 and has a ball housing 5a open at one side thereof, and is formed at one end of the tie rod 6 provided at both sides so as to correspond to the ball housing 5a. It is made as a ball portion 5b inserted into the inside of the).

이때, 볼하우징(5a)은 금속재로 마련되며 랙바(2)가 좌, 우측으로 동작될 때 랙스톱퍼(4)의 외부측에서 이와 함께 연동되고, 최대한 일측으로 이동되었을 때에는 랙스톱퍼(4)의 축방향 외부면과 밀착되어 랙바(2)의 이동을 제한하게 된다. At this time, the ball housing (5a) is provided with a metal material and when the rack bar (2) is operated to the left and right interlocked with it at the outside of the rack stopper (4), when moved to one side of the rack stopper (4) Close contact with the axial outer surface limits the movement of the rack bar (2).

아울러, 랙스톱퍼(4)와 밀착되는 볼하우징(5a)의 외부에는 이들의 밀착시 발생되는 충격음을 저감시킬 수 있도록 탭와셔(7)가 마련되는데, 이 탭와셔(7)는 중공 원판의 내부측과 외부측을 서로 다른 방향으로 절곡형성하여 외부측은 볼하우징(5a)을 감싸고 내부측은 랙바(2)와 볼하우징(5a)의 사이에 배치된다. In addition, the tap washer (7) is provided on the outside of the ball housing (5a) in close contact with the rack stopper (4) so as to reduce the impact sound generated during the close contact with the rack stopper (4), the tab washer (7) is inside the hollow disc The side and the outer side are bent in different directions so that the outer side surrounds the ball housing 5a and the inner side is disposed between the rack bar 2 and the ball housing 5a.

그러나, 이와 같이 구성된 종래의 차량용 조향장치는, 충격음을 저감시키기 위해 설치하는 탭와셔의 설치공정이 복잡하므로, 작업공수의 증가와 이로 인한 공정 누락 및 작업성이 저하되는 문제점이 있었다. However, the conventional vehicle steering apparatus configured as described above has a problem in that the installation process of the tap washer installed in order to reduce the impact sound is complicated, resulting in an increase in the number of labors and a drop in process and workability.

또, 탭와셔 역시 금속재로 마련되므로, 별다른 충격음 저감효과를 얻을 수 없으므로, 충격음으로 인한 운전자의 불안감을 초래하고, 더 나아가 차량의 신뢰성 까지 저하시키는 문제점이 있었다. In addition, since the tap washer is also made of a metal material, it is not possible to obtain a different impact sound reduction effect, causing anxiety of the driver due to the impact sound, and further reduced the reliability of the vehicle.

본 발명은 이와 같은 종래의 문제점을 해결하기 위한 것으로서, 본 발명의 목적은 랙스톱퍼와 이에 밀착되는 볼하우징의 사이에 충격음을 방지함과 더불어 설치가 용이하도록 간단한 구조의 완충부재를 마련한 차량용 조향장치의 랙스톱퍼를 제공하는 것이다. The present invention is to solve such a conventional problem, an object of the present invention is a steering device for a vehicle provided with a shock absorbing member of a simple structure to prevent the impact sound between the rack stopper and the ball housing in close contact therewith and to facilitate installation. To provide a rack stopper.

이와 같은 목적을 달성하기 위한 본 발명 차량용 조향장치의 랙스톱퍼는, 중공으로 마련된 랙하우징의 내부에 축방향으로 이동 가능하게 설치되되 양단은 상기 랙하우징의 외부로 연장된 랙바, 상기 랙바의 외부면과 상기 랙하우징의 양단측 내부면 사이에 마련된 랙스톱퍼, 상기 랙바의 양단에 결합되며 개구형성된 일측으로는 볼부가 삽입되는 볼하우징이 구비된 차량용 조향장치에 있어서, 상기 랙스톱퍼와 볼하우징이 밀착되어 발생되는 충격음을 저감시킬 수 있도록 상기 랙스톱퍼와 볼하우징의 사이에는 고무재질의 완충부재가 마련된 것을 특징으로 한다. Rack stopper of the vehicle steering apparatus of the present invention for achieving the above object is installed to be movable in the axial direction inside the rack housing provided in a hollow, both ends of the rack bar extending to the outside of the rack housing, the outer surface of the rack bar And a rack stopper provided between an inner surface of both ends of the rack housing, and a ball housing coupled to both ends of the rack bar and having a ball housing inserted into one side of the rack bar, wherein the rack stopper and the ball housing closely contact each other. It is characterized in that the cushioning member of the rubber material is provided between the rack stopper and the ball housing to reduce the impact sound generated.

이하에서는 첨부한 도면을 참조하여 본 발명에 따른 차량용 조향장치의 랙스톱퍼의 바람직한 일실시예를 상세히 설명한다. Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the rack stopper of the vehicle steering apparatus according to the present invention.

도 2는 본 발명에 따른 랙스톱퍼의 설치상태를 보인 단면도이다. 이에 도시된 바와 같이, 좌, 우측으로 길게 중공으로 마련되어 중간 일측에는 교축되는 방향으로 유압제어밸브(11)가 설치된 랙하우징(10)이 마련된다. 2 is a cross-sectional view showing an installation state of a rack stopper according to the present invention. As shown in the figure, a rack housing 10 provided with a hydraulic control valve 11 in a throttled direction is provided in a hollow in a long side to the left and right.

그리고 랙하우징(10)의 내부에는 미도시된 중간 일측에 랙이 형성되고, 중간 타측에는 피스톤(21)이 마련된 랙바(20)가 설치된다. And inside the rack housing 10, a rack is formed on one side of the middle not shown, and the rack bar 20 provided with a piston 21 is installed on the other middle side.

또, 랙하우징(10)의 개구된 양단에는 랙바(20)를 지지할 수 있도록 외주면은 랙하우징(10)에 밀착되고 내주면은 랙바(20)에 밀착되는 랙부시(30)가 설치된다. In addition, both ends of the rack housing 10 are provided with a rack bush 30 in which an outer circumferential surface is in close contact with the rack housing 10 and an inner circumferential surface is in close contact with the rack bar 20 so as to support the rack bar 20.

아울러, 랙부시(30)의 외측으로는 랙바(20)의 이동을 제한할 수 있도록 중공의 랙스톱퍼(40)가 설치된다. In addition, a hollow rack stopper 40 is installed outside the rack bush 30 so as to limit the movement of the rack bar 20.                     

또, 랙하우징(10)의 외부 양측으로 연장되는 랙바(20)의 양측 선단에는 타이로드(60)가 연결 설치되는데, 이때 타이로드(60)와 랙바(20)는 이너볼 조인트(50)로서 연결된다. In addition, tie rods 60 are installed at both ends of the rack bar 20 extending to the outer both sides of the rack housing 10, wherein the tie rod 60 and the rack bar 20 are inner ball joints 50. Connected.

이 이너볼 조인트(50)는 랙바(20)의 양측에 나사 결합되며 일측이 개구형성된 볼하우징(51)과, 타이로드(60)의 일단에 형성되어 볼하우징(51)에 결합되는 볼부(52)로서 이루어진다. The inner ball joint 50 is screwed to both sides of the rack bar 20, one side of the ball housing 51 opening is formed, the ball portion 52 is formed on one end of the tie rod 60 is coupled to the ball housing 51 )

이때, 볼하우징(51)은 랙스톱퍼(40)의 내부면 지름에 비해 크게 마련되어 랙바(20)와 연동되며 최대한 일측으로 이동되었을 때에는 랙스톱퍼(40)와 밀착된다. At this time, the ball housing 51 is provided with a larger than the inner diameter of the rack stopper 40 is interlocked with the rack bar 20, when closely moved to one side close to the rack stopper 40.

한편, 본 발명에서는 랙스톱퍼(40)와 이에 밀착되는 볼하우징(51)의 사이에 충격음을 방지함과 더불어 설치가 용이하도록 간단한 구조의 완충부재(70)가 마련된다. On the other hand, in the present invention, a shock absorbing member 70 having a simple structure is provided between the rack stopper 40 and the ball housing 51 in close contact therewith to prevent impact sound and to facilitate installation.

이 완충부재(70)는 외부 충격에 대해 흡수력이 뛰어난 연성의 고무재질로 마련되는 것으로서, 랙스톱퍼(40)에 고정될 수 있도록 다수개가 마련된다. The shock absorbing member 70 is provided with a soft rubber material having excellent absorption ability against external impact, and is provided in plural so as to be fixed to the rack stopper 40.

도 3에 도시된 바와 같이, 완충부재(70)는 볼하우징(51)과 마주하도록 랙스톱퍼(40)의 외부측에 배치되며 중심측과 외주측이 볼하우징(51)측으로 돌출 형성되는 원판형상의 돌기부(71)와, 이 돌기부(71)의 배면측 중심에서 이보다 작은 지름으로 연장되되 선단측으로 점차 지름이 커지도록 테이퍼 형성된 설치부(72)로 이루어진다. As shown in FIG. 3, the shock absorbing member 70 is disposed on the outer side of the rack stopper 40 so as to face the ball housing 51, and the center side and the outer circumferential side protrude toward the ball housing 51. Of the projections 71 and the installation portion 72 is tapered so as to extend to a smaller diameter from the center of the back side of the projections 71 and gradually increase toward the tip side.

또한, 완충부재(70)를 설치할 수 있도록 랙스톱퍼(40)에는 축방향으로 관통 형성되며 완충부재(70)의 설치부(72)와 대응되도록 테이퍼 형성된 설치홀(41)이 마 련된다. In addition, the rack stopper 40 penetrates in the axial direction so as to install the shock absorbing member 70, and a tapered mounting hole 41 is formed to correspond to the mounting portion 72 of the shock absorbing member 70.

이 설치홀(41)은 완충부재(70)가 진입되는 외부측의 지름이 작고 그 반대측의 지름이 이보다 크게 형성되는 것으로서, 고무재질의 완충부재(70) 선단측이 압착되어 억지 삽입된 후 그 내부로 진입되어 고정되도록 마련된다. The installation hole 41 has a smaller diameter on the outer side to which the shock absorbing member 70 enters and a larger diameter on the opposite side, and the front end side of the shock absorbing member 70 of the rubber material is pressed and pressed. It is provided to be fixed to enter the inside.

이로써, 완충부재(70)는 볼하우징(51)과 마주하는 랙스톱퍼(40)의 축방향 외측면에 다수개가 고정되어 볼하우징(51)이 랙스톱퍼(40)에 밀착되어 충격음을 발생시키는 것을 방지하도록 설치되는 것이다. Thus, the buffer member 70 is fixed to the axial outer surface of the rack stopper 40 facing the ball housing 51 is fixed to the ball housing 51 is in close contact with the rack stopper 40 to generate a shock sound It is installed to prevent.

이와 같이 구성된 본 발명 차량용 조향장치는, 운전자가 조향휠을 회전시킴에 따라 이와 연결된 유압제어밸브(11)가 동작되고, 이로 인해 랙하우징(10)의 내부에서 랙바(20)가 좌, 우측으로 슬라이딩 이동하게 되며, 이너볼 조인트(50)로서 연결되는 타이로드(60)가 랙바(20)와 함께 연동된다. In the vehicle steering apparatus of the present invention configured as described above, as the driver rotates the steering wheel, the hydraulic control valve 11 connected thereto is operated, whereby the rack bar 20 moves left and right in the rack housing 10. The sliding rod, the tie rod 60 is connected with the rack bar 20 is connected as the inner ball joint (50).

한편, 주차시나 운전시 조향휠을 일측으로 최대한 회전시키게 되면, 일측의 랙스톱퍼(40)와 이에 대응되는 볼하우징(51)이 밀접하게되는데, 이때 본 발명에서는 랙스톱퍼(40)에 완충부재(70)를 마련되므로, 볼하우징(51)은 고무재질의 완충부재(70)와 밀착된다. On the other hand, when the steering wheel is rotated to one side as much as possible during parking or driving, the rack stopper 40 on one side and the ball housing 51 corresponding thereto are in close contact with each other. Since 70 is provided, the ball housing 51 is in close contact with the cushioning member 70 of rubber material.

즉, 볼하우징(51)이 랙스톱퍼(40)와 직접 밀착되지 않고, 고무재질인 완충부재(70)와 밀착되므로 그 사이의 충격음을 저감시키게되는 것이다. That is, the ball housing 51 is not directly in close contact with the rack stopper 40, but is in close contact with the buffer member 70 made of rubber material, thereby reducing the impact sound therebetween.

특히, 완충부재(70)의 돌기부(71)는 중심측과 외주측이 돌출 형성되고 그 사이는 이들에 비해 함몰형성되므로 보다 큰 충격음을 저감하게 된다. In particular, the protrusion part 71 of the shock absorbing member 70 is formed to protrude from the center side and the outer circumferential side between the depressions therebetween, thereby reducing a greater impact sound.

이상에서 상세히 설명한 바와 같이, 본 발명에 따른 차량용 조향장치의 랙스톱퍼는, 랙스톱퍼에 견고히 결합되는 단순한 구조의 완충부재로 인해 설치공정이 용이해지고, 작업성이 향상되며, 랙스톱퍼와 이에 밀착되는 볼하우징의 사이에 충격음을 저감시켜 운전자가 느끼는 불안감을 해소할 수 있으며, 더 나아가 차량의 신뢰성을 향상시키는 이점이 있다. As described in detail above, the rack stopper of the vehicle steering apparatus according to the present invention, the installation process is facilitated, the workability is improved due to the simple structure of the shock absorbing member is firmly coupled to the rack stopper, the rack stopper is in close contact with The impact noise between the ball housing can be reduced to solve the anxiety felt by the driver, and further, there is an advantage of improving the reliability of the vehicle.

Claims (3)

중공으로 마련된 랙하우징의 내부에 축방향으로 이동 가능하게 설치되되 양단은 상기 랙하우징의 외부로 연장된 랙바, 상기 랙바의 외부면과 상기 랙하우징의 양단측 내부면 사이에 마련된 랙스톱퍼, 상기 랙바의 양단에 결합되며 개구형성된 일측으로는 볼부가 삽입되는 볼하우징이 구비된 차량용 조향장치에 있어서, The rack bar is installed to be movable in the axial direction inside the rack housing provided in a hollow, both ends of the rack bar extending to the outside of the rack housing, the rack stopper provided between the outer surface of the rack bar and the inner surface of both ends of the rack housing, the rack bar In the vehicle steering apparatus is provided with a ball housing coupled to both ends of the ball housing is inserted into one side of the opening, 상기 랙스톱퍼(40)와 볼하우징(51)이 밀착되어 발생되는 충격음을 저감시킬 수 있도록 상기 랙스톱퍼(40)와 볼하우징(51)의 사이에는 고무재질의 완충부재(70)가 마련되고, 상기 완충부재(70)는 상기 볼하우징(51)과 마주하는 상기 랙스톱퍼(40)의 일측면으로 다수개가 돌출 형성된 것을 특징으로 하는 차량용 조향장치의 랙스톱퍼. A rubber cushioning member 70 is provided between the rack stopper 40 and the ball housing 51 to reduce the impact sound generated by the rack stopper 40 and the ball housing 51 being in close contact. The shock absorbing member (70) is a rack stopper for a steering device for a vehicle, characterized in that a plurality of protrusions formed on one side of the rack stopper (40) facing the ball housing (51). 삭제delete 제 1항에 있어서, 상기 완충부재(70)는 상기 볼하우징(51)과 마주하는 측으로 배치되는 원판형의 돌기부(71)와 이 돌기부(71)의 중심측에서 연장되되 선단측으로 점차 지름이 커지도록 테이퍼 형성된 설치부(72)로 이루어지고, 상기 랙스톱퍼(40)에는 축방향으로 관통 형성되되 상기 설치부(72)와 대응되도록 테이퍼진 설치홀(41)이 마련된 것을 특징으로 하는 차량용 조향장치의 랙스톱퍼. 2. The shock absorbing member (70) according to claim 1, wherein the shock absorbing member (70) extends from the center side of the disc-shaped protrusion (71) disposed on the side facing the ball housing (51) and gradually increases toward the tip side. And a mounting portion 72 tapered so that the rack stopper 40 penetrates in the axial direction and has a tapered installation hole 41 so as to correspond to the installation portion 72. Rack stopper.
KR1020010065996A 2001-10-25 2001-10-25 Rack stopper of steering device for vehicle KR100764211B1 (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6268872U (en) * 1985-10-22 1987-04-30
JPH0495882U (en) * 1991-01-17 1992-08-19
JPH08133102A (en) * 1994-11-07 1996-05-28 Honda Motor Co Ltd Stroke end shock absorber for steering mechanism
KR970041068A (en) * 1995-12-27 1997-07-24 한승준 Shock absorbing structure between rack housing of steering gear and ball joint of tie rod end
KR970041068U (en) * 1995-12-19 1997-07-29 Oil drain prevention structure of cylinder

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6268872U (en) * 1985-10-22 1987-04-30
JPH0495882U (en) * 1991-01-17 1992-08-19
JPH08133102A (en) * 1994-11-07 1996-05-28 Honda Motor Co Ltd Stroke end shock absorber for steering mechanism
KR970041068U (en) * 1995-12-19 1997-07-29 Oil drain prevention structure of cylinder
KR970041068A (en) * 1995-12-27 1997-07-24 한승준 Shock absorbing structure between rack housing of steering gear and ball joint of tie rod end

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