KR20090007107A - Housing of steering gear by means of hydraulic pressure - Google Patents

Housing of steering gear by means of hydraulic pressure Download PDF

Info

Publication number
KR20090007107A
KR20090007107A KR1020070070753A KR20070070753A KR20090007107A KR 20090007107 A KR20090007107 A KR 20090007107A KR 1020070070753 A KR1020070070753 A KR 1020070070753A KR 20070070753 A KR20070070753 A KR 20070070753A KR 20090007107 A KR20090007107 A KR 20090007107A
Authority
KR
South Korea
Prior art keywords
hydraulic
housing
hydraulic cylinder
valve
steering gear
Prior art date
Application number
KR1020070070753A
Other languages
Korean (ko)
Inventor
김상용
Original Assignee
현대모비스 주식회사
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.)
Filing date
Publication date
Application filed by 현대모비스 주식회사 filed Critical 현대모비스 주식회사
Priority to KR1020070070753A priority Critical patent/KR20090007107A/en
Publication of KR20090007107A publication Critical patent/KR20090007107A/en

Links

Images

Classifications

    • 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
    • B62D5/065—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle characterised by specially adapted means for varying pressurised fluid supply based on need, e.g. on-demand, variable assist
    • 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
    • B62D5/07—Supply of pressurised fluid for steering also supplying other consumers ; control thereof
    • 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
    • B62D5/08—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle characterised by type of steering valve used
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein

Landscapes

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

Abstract

A hydraulic steering gear box is provided that the valve housing, gear housing and hydraulic cylinder are manufactured through the drawing processing. A hydraulic steering gear box comprises a valve housing(50) in which the oil pressure valve is input, a gear housing(52) in which pinion and rack are equipped, a hydraulic cylinder(54) assisting the cornering force with the fluid pressure. The valve housing, gear housing and hydraulic cylinder are manufactured by the drawing processing.

Description

유압식 조향기어 박스{Housing of steering gear by means of hydraulic pressure}Hydraulic steering gear box {Housing of steering gear by means of hydraulic pressure}

본 발명은 유압식 조향기어 박스에 관한 것으로서, 보다 상세하게는 조립성 및 기밀성을 향상시킴과 아울러 비용이 절감될 수 있는 유압식 조향기어 박스에 관한 것이다. The present invention relates to a hydraulic steering gear box, and more particularly, to a hydraulic steering gear box which can improve cost as well as improve assembly and airtightness.

일반적으로 차량의 조향장치는 운전자가 조향휠의 돌려서 차륜의 방향을 바꿀 수 있도록 하는 장치인 바, 상기 조향장치는 조향휠과 차륜사이에 구비되어 운전자에 의한 조향 조작력을 유압에 의해 전달하는 유압식 조향기어 박스를 포함한다. In general, a steering device of a vehicle is a device that allows a driver to change a direction of a wheel by turning a steering wheel. The steering device is provided between a steering wheel and a wheel to provide hydraulic steering to transmit a steering operation force by the hydraulic pressure. Includes a gear box.

도 1은 종래 기술에 따른 유압식 조향기어 박스가 도시된 사시도이다.1 is a perspective view showing a hydraulic steering gear box according to the prior art.

종래 기술에 따른 유압식 조향기어 박스는 조향축(미도시)과 차륜(미도시) 사이에 구비되는 바, 도 1을 참조하면, 조향시 작동유체의 흐름을 제어하는 유압밸브가 구비된 밸브 하우징(2)과, 피니언과 랙이 구비되는 기어 하우징(4)과, 조향력 을 보조하는 유압 실린더(6)를 포함한다.Hydraulic steering gear box according to the prior art is provided between the steering shaft (not shown) and the wheel (not shown), referring to Figure 1, a valve housing having a hydraulic valve for controlling the flow of the working fluid during steering ( 2), a gear housing (4) with pinions and racks, and a hydraulic cylinder (6) for assisting steering forces.

상기 유압실린더(6)에는 조향력을 차륜에 전달하는 타이로드(8)가 연결된다.The hydraulic cylinder 6 is connected to a tie rod 8 for transmitting steering force to the wheel.

상기 밸브 하우징(2)과 상기 유압 실린더(6)는 유압관(10)에 의해 연결된다.The valve housing 2 and the hydraulic cylinder 6 are connected by a hydraulic tube 10.

여기서, 상기 밸브 하우징(2)과 상기 기어하우징(4), 그리고 상기 유압실린더(6)는 각각 주조 등에 의해 제작된 후, 볼트(12) 등의 체결부재에 의해 상호 결합된다. Here, the valve housing (2), the gear housing (4), and the hydraulic cylinder (6) are each manufactured by casting or the like, and then are mutually coupled by fastening members such as bolts (12).

그러나, 종래 기술에 따른 유압식 조향기어 박스는 상기 밸브 하우징(2)과, 상기 기어하우징(4), 상기 유압실린더(6)를 각각 주조에 의해 제작되어 볼트(12) 등의 체결부재에 의해 결합시키기 때문에, 조립시간 및 비용이 많이 드는 문제점이 있다.However, the hydraulic steering gear box according to the prior art is manufactured by casting the valve housing 2, the gear housing 4, and the hydraulic cylinder 6, respectively, and are joined by fastening members such as bolts 12 and the like. In order to achieve this, there is a problem that assembly time and cost are high.

본 발명은 조립시간 및 비용을 절감할 수 있는 유압식 조향기어 박스를 제공하는데 그 목적이 있다.It is an object of the present invention to provide a hydraulic steering gear box that can reduce assembly time and cost.

본 발명은 유압밸브가 내재되는 밸브 하우징과, 피니언과 랙이 구비되는 기어 하우징과, 유압에 의해 조향력을 보조하는 유압 실린더를 포함하고, 상기 밸브 하우징과 상기 기어 하우징, 그리고 상기 유압 실린더는 인발 가공에 의해 각각 제작되는 유압식 조향기어 박스를 제공한다.The present invention includes a valve housing in which a hydraulic valve is embedded, a gear housing provided with a pinion and a rack, and a hydraulic cylinder for assisting steering force by hydraulic pressure, wherein the valve housing, the gear housing, and the hydraulic cylinder are drawn out. It provides a hydraulic steering gear box each manufactured by the.

상기 밸브 하우징과 기어 하우징, 유압 실린더는 용접에 의해 상호 결합될 수 있다.The valve housing, gear housing and hydraulic cylinder may be coupled to each other by welding.

상기 유압식 조향기어 박스는 상기 유압밸브와 상기 유압실린더 사이에 연결되는 유압관을 더 포함하고, 상기 유압관의 양단은 용접에 의해 상기 밸브 하우징과 상기 유압실린더에 결합될 수 있다. The hydraulic steering gear box further includes a hydraulic tube connected between the hydraulic valve and the hydraulic cylinder, and both ends of the hydraulic tube may be coupled to the valve housing and the hydraulic cylinder by welding.

상기 밸브 하우징과 상기 기어 하우징, 그리고 상기 유압 실린더는 각각 스테인레스 스틸재질로 이루어진다. The valve housing, the gear housing, and the hydraulic cylinder are each made of stainless steel.

상기 유압식 조향기어 박스는 상기 랙을 지지하는 서포트 요크가 내재되는 요크 하우징을 더 포함하고, 상기 요크 하우징은 인발 가공된 후, 상기 기어 하우징에 용접에 의해 결합될 수 있다.The hydraulic steering gear box further includes a yoke housing in which a support yoke for supporting the rack is embedded, and the yoke housing may be coupled to the gear housing by welding after being pulled out.

본 발명에 따른 유압식 조향기어 박스는 밸브 하우징과 기어하우징, 그리고 유압실린더가 인발가공에 의해 제작된 후, 용접에 의해 결합되기 때문에, 조립성 및 기밀성이 향상될 수 있을 뿐만 아니라, 별도의 내경부 가공이 삭제될 수 있으므로 비용이 절감될 수 있는 효과가 있다. Hydraulic steering gear box according to the present invention, since the valve housing, the gear housing, and the hydraulic cylinder is manufactured by drawing, and then coupled by welding, not only the assembly and the airtightness can be improved, but also a separate inner diameter part. Since the processing can be eliminated, the cost can be reduced.

이하, 첨부된 도면을 참조하여 본 발명의 실시 예를 설명하면 다음과 같다. Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings.

도 2는 본 발명의 실시예에 따른 유압식 조향기어 박스가 도시된 측면도이고, 도 3은 도 2의 A방향에서 본 평면도이다.FIG. 2 is a side view of a hydraulic steering gear box according to an exemplary embodiment of the present invention, and FIG. 3 is a plan view seen from the direction A of FIG.

도 2 및 도 3를 참조하면, 본 발명의 실시예에 따른 유압식 조향기어 박스는 유압밸브가 내재되는 밸브 하우징(50)과, 피니언과 랙이 구비되는 기어 하우징(52)과, 유압에 의해 조향력을 보조하는 유압 실린더(54)를 포함한다.2 and 3, the hydraulic steering gear box according to the embodiment of the present invention is a valve housing 50, a hydraulic valve is embedded, a gear housing 52 is provided with a pinion and a rack, the steering force by hydraulic pressure It includes a hydraulic cylinder (54) to assist.

상기 밸브 하우징(50)과 상기 기어 하우징(52), 그리고 상기 유압 실린더(54)는 각각 스테인레스 스틸재질로 이루어질 수 있다. The valve housing 50, the gear housing 52, and the hydraulic cylinder 54 may each be made of stainless steel.

그리고, 상기 밸브 하우징(50)과 상기 기어 하우징(52), 그리고 상기 유압 실린더(54)는 금속가공법 중의 하나인 인발가공에 의해 각각 제작된다.In addition, the valve housing 50, the gear housing 52, and the hydraulic cylinder 54 are manufactured by drawing, which is one of metal processing methods.

상기 밸브 하우징(50)과 기어 하우징(52), 유압 실린더(54)는 용접에 의해 상호 결합될 수 있다.The valve housing 50, the gear housing 52, and the hydraulic cylinder 54 may be coupled to each other by welding.

또한, 상기 유압식 조향기어 박스는 상기 유압밸브(미도시)와 상기 유압 실린더(54)사이에 구비되어 작동유를 안내하는 유압관(56)을 더 포함한다.In addition, the hydraulic steering gear box further includes a hydraulic pipe 56 provided between the hydraulic valve (not shown) and the hydraulic cylinder 54 to guide hydraulic oil.

상기 유압관(56)은 스테인레스 스틸재질로 이루어지며, 양단은 상기 밸브 하우징(50)과 상기 유압실린더(54)에 각각 용접에 의해 결합된다. The hydraulic pipe 56 is made of stainless steel, and both ends are welded to the valve housing 50 and the hydraulic cylinder 54 by welding.

또한, 상기 유압식 조향기어 박스는 상기 랙(미도시)을 지지하는 서포트 요크가 내재되는 요크 하우징(58)을 더 포함한다.In addition, the hydraulic steering gear box further includes a yoke housing 58 in which a support yoke for supporting the rack (not shown) is embedded.

상기 요크 하우징(58)도 스테인레스 스틸재질로 이루어지며, 인발 가공된 후 상기 기어 하우징(52)에 용접에 의해 결합될 수 있다. The yoke housing 58 may also be made of stainless steel, and may be coupled to the gear housing 52 by welding after being drawn out.

따라서, 상기와 같이 구성된 본 발명에 따른 유압식 조향기어 박스는 상기 밸브 하우징(50)과 상기 기어 하우징(52), 그리고 상기 유압실린더(54)는 인발가공에 의해 제작되기 때문에, 별도의 내경부 가공공정이 필요없게 된다. Therefore, since the hydraulic steering gear box according to the present invention configured as described above is manufactured by drawing the valve housing 50, the gear housing 52, and the hydraulic cylinder 54, the separate inner diameter processing No process is required.

또한, 상기 유압관(56)이 용접에 의해 결합되기 때문에, 별도의 기밀유지 구조가 삭제될 수 있다. In addition, since the hydraulic pipe 56 is coupled by welding, a separate hermetic holding structure can be eliminated.

도 1은 종래 기술에 따른 유압식 조향기어 박스가 도시된 사시도,1 is a perspective view of a hydraulic steering gear box according to the prior art,

도 2는 본 발명의 실시예에 따른 유압식 조향기어 박스가 도시된 측면도,2 is a side view of a hydraulic steering gear box according to an embodiment of the present invention;

도 3은 도 2의 A방향에서 본 평면도.3 is a plan view seen from the direction A of FIG.

<도면의 주요 부분에 관한 부호의 간단한 설명><Simple description of the code for the main part of the drawing>

50: 밸브 하우징 52: 기어 하우징50: valve housing 52: gear housing

54: 유압 실린더 56: 유압관54: hydraulic cylinder 56: hydraulic tube

58: 요크 하우징58: yoke housing

Claims (5)

유압밸브가 내재되는 밸브 하우징과;A valve housing in which the hydraulic valve is embedded; 피니언과 랙이 구비되는 기어 하우징과;A gear housing having a pinion and a rack; 유압에 의해 조향력을 보조하는 유압 실린더를 포함하고, Including a hydraulic cylinder for assisting the steering force by the hydraulic pressure, 상기 밸브 하우징과 상기 기어 하우징, 그리고 상기 유압 실린더는 인발 가공에 의해 각각 제작되는 유압식 조향기어 박스. And the valve housing, the gear housing, and the hydraulic cylinder are each manufactured by drawing. 청구항 1에 있어서,The method according to claim 1, 상기 밸브 하우징과 기어 하우징, 유압 실린더는 용접에 의해 상호 결합된 유압식 조향기어 박스.The valve housing, the gear housing, the hydraulic cylinder is a hydraulic steering gear box coupled to each other by welding. 청구항 1에 있어서,The method according to claim 1, 상기 유압식 조향기어 박스는 상기 유압밸브와 상기 유압실린더 사이에 연결되는 유압관을 더 포함하고,The hydraulic steering gear box further includes a hydraulic pipe connected between the hydraulic valve and the hydraulic cylinder, 상기 유압관의 양단은 용접에 의해 상기 밸브 하우징과 상기 유압실린더에 결합된 유압식 조향기어 박스. Both ends of the hydraulic pipe is a hydraulic steering gear box coupled to the valve housing and the hydraulic cylinder by welding. 청구항 1에 있어서,The method according to claim 1, 상기 밸브 하우징과 상기 기어 하우징, 그리고 상기 유압 실린더는 각각 스 테인레스 스틸재질로 이루어진 유압식 조향기어 박스. And the valve housing, the gear housing, and the hydraulic cylinder are each made of stainless steel. 청구항 1에 있어서,The method according to claim 1, 상기 유압식 조향기어 박스는 상기 랙을 지지하는 서포트 요크가 내재되는 요크 하우징을 더 포함하고,The hydraulic steering gear box further includes a yoke housing in which a support yoke for supporting the rack is embedded, 상기 요크 하우징은 인발 가공된 후, 상기 기어 하우징에 용접에 의해 결합된 유압식 조향기어 박스.And the yoke housing is drawn and then joined to the gear housing by welding.
KR1020070070753A 2007-07-13 2007-07-13 Housing of steering gear by means of hydraulic pressure KR20090007107A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020070070753A KR20090007107A (en) 2007-07-13 2007-07-13 Housing of steering gear by means of hydraulic pressure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020070070753A KR20090007107A (en) 2007-07-13 2007-07-13 Housing of steering gear by means of hydraulic pressure

Publications (1)

Publication Number Publication Date
KR20090007107A true KR20090007107A (en) 2009-01-16

Family

ID=40488094

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020070070753A KR20090007107A (en) 2007-07-13 2007-07-13 Housing of steering gear by means of hydraulic pressure

Country Status (1)

Country Link
KR (1) KR20090007107A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103161782A (en) * 2013-03-13 2013-06-19 徐州徐工液压件有限公司 Steering cylinder for crane
US10054463B2 (en) 2013-09-26 2018-08-21 Google Llc Systems and methods for providing navigation data to a vehicle

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103161782A (en) * 2013-03-13 2013-06-19 徐州徐工液压件有限公司 Steering cylinder for crane
US10054463B2 (en) 2013-09-26 2018-08-21 Google Llc Systems and methods for providing navigation data to a vehicle
US10288442B2 (en) 2013-09-26 2019-05-14 Google Llc Systems and methods for providing navigation data to a vehicle

Similar Documents

Publication Publication Date Title
KR20090007107A (en) Housing of steering gear by means of hydraulic pressure
KR20110075149A (en) Gear box for rack bush noise decreasing in power steering device
EP1854702A3 (en) Sealing part structure of hydraulic power steering apparatus
JP2006315428A (en) Power steering device
JP2006335303A (en) Power steering device
JP2006103671A (en) Mounting structure of differential gear
JP4738272B2 (en) Clamping device for hydraulic piping of construction machinery
KR100692534B1 (en) Monolithic steering frame structure
CN104097685B (en) A kind of automobile steering device device
CN114083467A (en) Linkage system of gearbox tool
CN109131546B (en) Steering system of heavy-duty car
CN201023104Y (en) Automobile deformation correction machine
JP4782584B2 (en) Steering device
JP2003207083A (en) Reinforcing structure of pipe penetrating part
US6931981B2 (en) Hydraulic fluid control device for a hydraulic power-assisted steering system
JP4801467B2 (en) Power steering device
KR20130052447A (en) Gear box connecting device of subframe for vehicle
US20070175287A1 (en) Power steering apparatus
JP5144726B2 (en) Mounting method of support member
JP2020045076A (en) Front pillar and manufacturing method of the same
KR101135854B1 (en) Steering Apparatus Equipped with Pinion Housing having Reinforcing Member
KR20060030260A (en) Rack bar structure of power steering system
KR100931046B1 (en) Steering gearbox
JP2008254589A (en) Pipe fitting structure of power cylinder, and vehicular steering device using the same
KR20090006192U (en) Weld-stud of steering apparatus for reductiong noise

Legal Events

Date Code Title Description
WITN Withdrawal due to no request for examination