KR20000008087A - Steering column tilting apparatus of steering device for vehicle - Google Patents

Steering column tilting apparatus of steering device for vehicle Download PDF

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Publication number
KR20000008087A
KR20000008087A KR1019980027755A KR19980027755A KR20000008087A KR 20000008087 A KR20000008087 A KR 20000008087A KR 1019980027755 A KR1019980027755 A KR 1019980027755A KR 19980027755 A KR19980027755 A KR 19980027755A KR 20000008087 A KR20000008087 A KR 20000008087A
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KR
South Korea
Prior art keywords
worm
bevel gear
upper column
rack
steering
Prior art date
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KR1019980027755A
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Korean (ko)
Inventor
정영석
Original Assignee
오상수
만도기계 주식회사
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Publication date
Application filed by 오상수, 만도기계 주식회사 filed Critical 오상수
Priority to KR1019980027755A priority Critical patent/KR20000008087A/en
Publication of KR20000008087A publication Critical patent/KR20000008087A/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
    • B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
    • B62D1/16—Steering columns
    • B62D1/18—Steering columns yieldable or adjustable, e.g. tiltable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2410/00—Constructional features of vehicle sub-units
    • B60Y2410/102—Shaft arrangements; Shaft supports, e.g. bearings

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Power Steering Mechanism (AREA)

Abstract

PURPOSE: A steering column tilting apparatus is provided to tilt the upper column of a steering device, to enhance the productivity, and to reduce the weight of the products and the manufacturing cost. CONSTITUTION: A steering column tilting apparatus comprises:an upper column(1) able to rotate centering a hinge shaft(3) penetrated into a connection part(11); a worm(7) having its middle section interlocked with the passive worm gear(12), and having its upper section fixed with a slave bevel gear(71); a motive bevel gear(41) interlocked with the slave bevel gear of the worm; and a drive motor(4) having the motive bevel gear attached on a motor shaft.

Description

자동차용 조향장치의 스티어링 칼럼 틸팅 장치Steering column tilting device for automotive steering

본 발명은 자동차용 조향장치에 대한 것으로서 더 자세히 말하자면 스티어링 칼럼의 중단을 틸팅하기 위한 틸팅 장치를 워엄과 워엄기어, 또는 래크와 피니언으로 간략화 한 것이다.The present invention relates to a steering device for a vehicle, and more specifically, to a tilting device for tilting a suspension of a steering column with a worm and a worm gear, or a rack and a pinion.

일반적으로 자동차의 조향장치에서는 상부 칼럼을 틸팅시킬 필요가 있는 바, 종래의 틸팅 장치는 도 1에서 보는 바와 같다.In general, it is necessary to tilt the upper column in a steering apparatus of a vehicle, and a conventional tilting apparatus is as shown in FIG. 1.

즉, 상부 칼럼(1)과 하부 칼럼(2)을 힌지(3)로 연결하고, 일측 연결부(21)의 상측에 설치한 모터(4)의 동력으로 회전하는 원동 베벨기어(41)와, 타측 연결부(11)의 상측에 고정한 암나사(5)와, 이 암나사에 끼워진 채 피동 베벨기어(61)를 가지는 나사봉(6)을 형성하여 상기 모터(4)의 회전력에 의해 회전하는 원동 베벨기어(41)가 피동 베벨기어(61)를 회전 시키고, 피동 베벨기어(61)의 회전으로 나사봉(6)이 회전하였을 때, 상기한 암나사(5)가 이동하여 상부 칼럼(1)의 각도가 힌지(3)를 중심으로 화살표 방향으로 회동될 수 있도록 한 것이다.In other words, the upper column 1 and the lower column 2 are connected to each other by a hinge 3, and the motive bevel gear 41 rotates with the power of the motor 4 installed above the one side connecting portion 21, the other side, A motive bevel gear that rotates by the rotational force of the motor 4 by forming a threaded rod 6 having a female screw 5 fixed to an upper side of the connecting portion 11 and a driven bevel gear 61 fitted to the female screw. 41 rotates the driven bevel gear 61, and when the screw rod 6 is rotated by the rotation of the driven bevel gear 61, the above-described female screw 5 is moved so that the angle of the upper column 1 is hinged. It is to be able to rotate in the direction of the arrow around (3).

그러나 상기와 같은 종래의 틸팅장치는 구조가 복잡하기 때문에 부품수가 많고, 부품수가 많기 때문에 무게가 무거울 뿐만 아니라 가격이 비싸다.However, such a conventional tilting device has a large number of parts because of its complicated structure, and is not only heavy, but expensive.

본 발명은 상기와 같은 종래의 제반 문제점을 해결 보완하기 위해 안출한 것으로 발명의 주된 목적은 자동차의 조향장치에 사용하는 틸팅 장치를 구성하되, 그 구조를 보다 간단히 하므로서 제조가 쉽고, 무게가 가벼우며, 생산원가가 절감될 수 있도록 하는데 있는 것이다.The present invention has been made to solve and solve the above-mentioned conventional problems, the main object of the invention is to configure a tilting device for use in the steering device of the vehicle, making the structure simpler, easier to manufacture, lighter weight In other words, production costs can be reduced.

이를 위한 특징적인 수단은 하단에 마련한 연결부와, 이 연결부에 관통된 힌지축을 지점으로 회동 가능한 상부 칼럼, 상기한 상부 칼럼의 연결부 끝단을 반원형으로 형성한 후, 치차를 형성하여 이루어진 피동 워엄기어, 상기한 피동 워엄기어에 중단이 치합되고, 그 상단에 종동 베벨기어가 고정된 워엄, 상기한 워엄의 종동 베벨기어에 치합된 원동 베벨기어 및 상기한 원동 베벨기어가 모터축에 축착되어진 구동모터로 구성하여 상기한 구동모터의 동력이 워엄과 워엄기어에 전달 되었을 때, 상부 칼럼이 틸팅될 수 있도록 하는데 있다.A characteristic means for this is a driven worm gear formed by forming a gear after forming a connecting portion provided at a lower end, an upper column rotatable with a hinge axis penetrated through the connecting portion, and a connecting end of the upper column having a semicircular shape, and forming a gear. The worm is composed of a worm which is engaged with a driven worm gear, a worm with a driven bevel gear fixed to its upper end, a motive bevel gear that is engaged with a driven bevel gear of the worm, and a drive motor in which the motive bevel gear is condensed on a motor shaft. Thus, when the power of the drive motor is transmitted to the worm and the worm gear, the upper column is to be tilted.

도 1은 종래의 구성을 보인 요부 측면도Figure 1 is a side view of the main portion showing a conventional configuration

도 2는 본 발명의 실시예를 보인 요부 측면도Figure 2 is a side view of the main portion showing an embodiment of the present invention

도 3은 본 발명의 또 다른 실시예를 보인 측면도Figure 3 is a side view showing another embodiment of the present invention

<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for the main parts of the drawings>

1 : 상부 칼럼 2 : 하부 칼럼1: upper column 2: lower column

3 : 힌지축 4 : 모터3: hinge shaft 4: motor

7 : 워엄 8 : 래크부재7: worm 8: rack member

11 : 연결부 12 : 워엄기어11: connection part 12: worm gear

13 : 반원형 피니언 41 : 원동 베벨기어13: semi-circle pinion 41: circular bevel gear

42 : 원동 피니언 71 : 종동 베벨기어42: driven pinion 71: driven bevel gear

81 : 제1래크 82 : 제2래크81: first rack 82: second rack

이하 본 발명의 실시예를 첨부 도면에 따라 더욱 상세히 설명하면 다음과 같다.Hereinafter, an embodiment of the present invention will be described in more detail with reference to the accompanying drawings.

도 2는 본 발명의 실시예에 따른 측면도로서 상부 칼럼(1)과 상부 칼럼을 틸팅시킬 수 있는 워엄기구를 볼 수 있다.Figure 2 is a side view according to an embodiment of the present invention can see a worm mechanism that can tilt the upper column (1) and the upper column.

상부 칼럼(1)은 그 연결부(11)에 힌지축(3)을 관통시키므로써 회동이 가능한 것이며, 상기한 연결부(11)의 끝단은 반원형으로 형성하여 치차 즉, 워엄기어(12)를 형성한 것이다.The upper column 1 can be rotated by penetrating the hinge shaft 3 through the connecting portion 11, and the end of the connecting portion 11 is formed in a semicircular shape to form a gear, that is, a worm gear 12. will be.

또, 상기한 워엄 기어(12)에는 워엄(7)의 중단이 치접되어 있으며, 상기 워엄(7)은 그 상단에 종동 베벨기어(71)가 일체로 형성되어 있고, 상기한 종동 베벨기어(71)는 구동모터(4)의 모터축에 축착된 원동 베벨기어(41)와 치합되어 있다.In addition, the worm gear 12 is in contact with the suspension of the worm (7), the worm (7) has a driven bevel gear (71) integrally formed on the upper end, the driven bevel gear (71) described above ) Is meshed with the motive bevel gear 41 fixed on the motor shaft of the drive motor 4.

이상과 같이 구성된 본 발명의 실시예에 따르면 구동모터(4)가 구동되었을 때 원동 베벨기어(41)의 회전으로 종동 베벨기어(71)가 회전하고, 종동 베벨기어(71)의 회전은 워엄(7)의 회전을 의미하므로 워엄(7)과 치접된 워웜기어(12)가 회동하여 결국 상부 칼럼(1)이 힌지축(3)을 지점으로 틸팅할 수 있게 되는 것이다.According to the exemplary embodiment of the present invention configured as described above, when the driving motor 4 is driven, the driven bevel gear 71 rotates by the rotation of the driven bevel gear 41, and the rotation of the driven bevel gear 71 is worm ( Since the rotation of 7) means that the worm 7 and the worm gear 12 in contact with each other is rotated, the upper column 1 is able to tilt the hinge shaft 3 to the point.

이와 같이 작동함에 있어서, 틸팅속도와 틸팅각도 등은 워엄 및 워엄 기어의 치차를 달리하므로서 적당히 조절할 수 있는 것이다.In this operation, the tilting speed and the tilting angle can be appropriately adjusted by varying the gear of the worm and the worm gear.

도 3은 본 발명의 또 다른 실시예에 따른 측면도로서 역시 상부 칼럼(1)과 상부 칼럼(1)을 틸팅 시킬 수 있는 래크와 피니언을 볼 수 있다.Figure 3 is a side view according to another embodiment of the present invention can also see the rack and pinion that can tilt the upper column (1) and the upper column (1).

상부 칼럼(1)은 그 연결부(11)에 힌지축(3)을 관통시키므로써 회동이 가능한 것이며, 상기한 연결부(11)의 끝단은 반원형으로 형성하여 치차 즉, 반원형 피니언(13)을 형성한 것이다.The upper column 1 can be rotated by penetrating the hinge shaft 3 through the connecting portion 11, and the end of the connecting portion 11 is formed in a semicircle to form a tooth, that is, a semi-circular pinion 13 will be.

상기한 반원형 피니언(13)에는 제1래크(81)의 중단이 치합되고, 제1래크의 위로는 제2래크(82)를 구비하여 래크부재(8)가 된다.Interruption of the first rack 81 is engaged with the semi-circular pinion 13, and a second rack 82 is provided above the first rack to form the rack member 8.

또, 상기한 제2레크(82)에는 구동모터(4)의 모터축에 축착된 원동 피니언(42)이 치접되어 있다.In addition, the second pin 82 is abutted with a driven pinion 42 which is affixed to the motor shaft of the drive motor 4.

이상과 같이 구성된 본 발명의 또 다른 실시예에 따르면 구동모터(4)가 구동되었을 때 원동 피니언(42)의 회전으로 제2레크(82)가 이동하여 래크부재(8)가 승강한다.According to another embodiment of the present invention configured as described above, when the drive motor 4 is driven, the second member 82 is moved by the rotation of the motive pinion 42 so that the rack member 8 is elevated.

래크부재(8)의 승강은 제1래크(81)로 인하여 반원형 피니언(13)을 회동시키고, 결국 상부 칼럼(1)은 힌지점(3)을 축으로 틸팅될 수 있는 것이다.Lifting of the rack member 8 rotates the semicircular pinion 13 due to the first rack 81, so that the upper column 1 can be tilted about the hinge point 3.

이상에서 자세히 설명한 바와 같은 본 발명은 워엄과 워엄기어를 이용하는 실시예, 혹은 래크와 피니언을 이용하는 또 다른 실시예에서 보듯이 매우 간단한 기구요소로 조향장치의 상부칼럼을 틸팅시킬 수 있게 되는 것이며, 이는 부품이 적어 생산성이 우수할 뿐만 아니라 무게가 가볍고 제조 원가가 저렴해지는 장점이 있다.As described in detail above, the present invention is capable of tilting the upper column of the steering apparatus with a very simple mechanism element, as shown in the embodiment using the worm and the worm gear, or another embodiment using the rack and the pinion. There are fewer parts, so it is not only excellent in productivity but also light in weight and low in manufacturing cost.

Claims (2)

하단에 마련한 연결부(11)와, 이 연결부에 관통된 힌지축(3)을 지점으로 회동 가능한 상부 칼럼(1);An upper column (1) rotatable to a connecting portion (11) provided at the lower end and a hinge shaft (3) penetrating the connecting portion to a point; 상기한 상부 칼럼(1)의 연결부(11) 끝단을 반원형으로 형성한 후, 치차를 형성하여 이루어진 피동 워엄기어(12);A driven worm gear 12 formed by forming a tooth in a semicircular shape after the end of the connection part 11 of the upper column 1; 상기한 피동 워엄기어(12)에 중단이 치합되고, 그 상단에 종동 베벨기어(71)가 고정된 워엄(7);A worm 7 in which an interruption is engaged with the driven worm gear 12, and a driven bevel gear 71 is fixed at an upper end thereof; 상기한 워엄(7)의 종동 베벨기어(71)에 치합된 원동 베벨기어(41); 및A prime bevel gear 41 engaged with the driven bevel gear 71 of the worm 7; And 상기한 원동 베벨기어(41)가 모터축에 축착된 구동모터(4);로A drive motor 4 in which the above-mentioned prime bevel gear 41 is fixed to the motor shaft; 구성하여 상기한 구동모터의 동력이 워엄과 워엄기어(12)에 전달 되었을 때, 상부 칼럼이 틸팅될 수 있도록 하여서 됨을 특징으로 하는 자동차용 조향장치의 스티어링 칼럼 틸팅 장치.When the power of the drive motor is configured to be transmitted to the worm and the worm gear 12, the steering column tilting device of the steering device for a vehicle, characterized in that the upper column to be able to tilt. 하단에 마련한 연결부(11)와, 이 연결부에 관통된 힌지축(3)을 지점으로 회동 가능한 상부 칼럼(1);An upper column (1) rotatable to a connecting portion (11) provided at the lower end and a hinge shaft (3) penetrating the connecting portion to a point; 상기한 상부 칼럼(1)의 연결부(11) 끝단을 반원형으로 형성한 후, 치차를 형성하여 이루어진 반원형 피니언(13);A semi-circular pinion (13) formed by forming a tooth after the end of the connecting portion (11) of the upper column (1); 상기한 반원형 피니언(13)에 중단의 제1래크(81)가 치합되고, 그 상단에 제2래크(82)를 가지는 래크부재(8);A rack member (8) having the first rack (81) of the suspension engaged with the semi-circular pinion (13) and having a second rack (82) at its upper end; 상기한 래크부재(8)의 제2래크(82)에 치합된 원동 피니언(42);A motive pinion 42 engaged with the second rack 82 of the rack member 8; 상기의 원동 피니언(42)이 모터축에 축착된 구동모터(4);로A drive motor 4 in which the prime pinion 42 is fixed to the motor shaft; 구성하여 상기한 구동모터의 동력이 래크와 피니언에 전달 되었을 때, 상부 칼럼이 틸팅될 수 있도록 하여서 됨을 특징으로 하는 자동차용 조향장치의 스티어링 칼럼 틸팅 장치.The steering column tilting device of the steering apparatus for a vehicle, characterized in that the upper column is to be tilted when the power of the drive motor is transmitted to the rack and pinion.
KR1019980027755A 1998-07-10 1998-07-10 Steering column tilting apparatus of steering device for vehicle KR20000008087A (en)

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KR1019980027755A KR20000008087A (en) 1998-07-10 1998-07-10 Steering column tilting apparatus of steering device for vehicle

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KR1019980027755A KR20000008087A (en) 1998-07-10 1998-07-10 Steering column tilting apparatus of steering device for vehicle

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5467436U (en) * 1977-10-21 1979-05-14
JPS63269779A (en) * 1987-04-27 1988-11-08 Mazda Motor Corp Automatic tilt steering device for vehicle
JPH01154971U (en) * 1987-12-21 1989-10-25

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5467436U (en) * 1977-10-21 1979-05-14
JPS63269779A (en) * 1987-04-27 1988-11-08 Mazda Motor Corp Automatic tilt steering device for vehicle
JPH01154971U (en) * 1987-12-21 1989-10-25

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