KR100364280B1 - an oil reservoir of power streeing system in a vehicle - Google Patents

an oil reservoir of power streeing system in a vehicle Download PDF

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Publication number
KR100364280B1
KR100364280B1 KR1020000074235A KR20000074235A KR100364280B1 KR 100364280 B1 KR100364280 B1 KR 100364280B1 KR 1020000074235 A KR1020000074235 A KR 1020000074235A KR 20000074235 A KR20000074235 A KR 20000074235A KR 100364280 B1 KR100364280 B1 KR 100364280B1
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South Korea
Prior art keywords
oil
reservoir
flow preventing
oil reservoir
stopper
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KR1020000074235A
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Korean (ko)
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KR20020044965A (en
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김대중
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현대자동차주식회사
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D5/00Power-assisted or power-driven steering
    • B62D5/06Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
    • B62D5/062Details, component parts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00Conjoint control of vehicle sub-units of different type or different function
    • B60W10/30Conjoint control of vehicle sub-units of different type or different function including control of auxiliary equipment, e.g. air-conditioning compressors or oil pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B41/00Pumping installations or systems specially adapted for elastic fluids
    • F04B41/02Pumping installations or systems specially adapted for elastic fluids having reservoirs

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  • 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)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)

Abstract

본 발명은 자동차 파워스티어링장치의 오일 리저버에 관한 것으로, 주몸체(1)의 상부를 막는 상부몸체(4)의 오일보충구 하방으로 유동방지관(7)이 형성되는 한편, 상기 오일보충구에 씌워지는 마개(5)의 내측면에 오일고임홈(5a)이 형성된 구조로 이루어져 있다.The present invention relates to an oil reservoir of a vehicle power steering apparatus, wherein a flow preventing tube (7) is formed below the oil filling opening of the upper body (4) which blocks the upper portion of the main body (1), The inner surface of the cap 5 to be covered is made of a structure in which the oil gutter groove 5a is formed.

따라서, 유동방지판(6)에 더하여 유동방지관(7)의 작용으로 리저버내의 오일 출렁거림이 감소됨은 물론, 상기 오일고임홈(5a)에 오일이 고여서 외부로 흘러나가는 것이 억제됨으로써, 오일 리저버와 그 주변부가 오일에 의해 오염되는 것이 방지되고, 오일의 감소량이 줄어들게 되는 효과가 있다.Accordingly, in addition to the flow preventing plate 6, the oil slump in the reservoir is reduced by the action of the flow preventing tube 7, and the oil is accumulated in the oil pool groove 5a to be suppressed from flowing out. The reservoir and its periphery are prevented from being contaminated by oil, and the amount of reduction of oil is reduced.

Description

자동차 파워스티어링장치의 오일 리저버{an oil reservoir of power streeing system in a vehicle}An oil reservoir of power streeing system in a vehicle

본 발명은 자동차 파워스티어링장치의 오일 리저버에 관한 것으로, 특히 리저버내의 오일유동을 감소시켜 리저버 외부로 오일이 누출되는 것을 방지할 수 있도록 된 자동차 파워스티어링장치의 오일 리저버에 관한 것이다.The present invention relates to an oil reservoir of an automotive power steering apparatus, and more particularly, to an oil reservoir of an automotive power steering apparatus that can reduce oil flow in a reservoir to prevent oil from leaking out of the reservoir.

주지된 바와 같이 파워스티어링장치는 엔진에 의해 구동되는 오일펌프의 유압으로 스티어링휠의 조작력을 보조하여 조향조작을 용이하게 할 수 있도록 하는 장치로서, 오일펌프로 깨끗한 오일을 끊이지 않고 안정적으로 공급하며, 또한 유압라인을 순환한 오일이 되돌아와 저장되도록 하기 위하여 라인상에 오일 리저버가 설치되어 있다.As is well known, the power steering device is a device that assists the steering force of the steering wheel by the hydraulic pressure of the oil pump driven by the engine to facilitate steering operation. In addition, an oil reservoir is installed on the line so that the oil circulating in the hydraulic line is returned and stored.

상기 오일 리저버는 도 1 내지 도 3에 도시된 바와 같이, 주몸체(1)의 측면에 유입관(2)과 유출관(3)이 각각 형성되고, 주몸체(1)의 개구된 상부를 폐쇄하는 상부몸체(4)가 구비되며, 이 상부몸체(4)에 형성된 오일 보충구에는 마개(5)가 씌워진 구조로 이루어진다.As shown in FIGS. 1 to 3, the oil reservoir has an inlet tube 2 and an outlet tube 3 formed on the side of the main body 1, and closes the opened upper portion of the main body 1. The upper body 4 is provided, the oil refill formed in the upper body 4 is made of a structure covered with a stopper (5).

그런데, 자동차 주행중 파워스티어링장치가 작동되면 상기 유입관(2)으로 고압의 오일이 유입되고 또한 유출관(3)으로는 오일이 빠져 나가게 됨으로써 급격한 압력변동이 발생되며, 이 압력변동을 감쇠시켜 오일공급의 안정을 기하기 위하여 상기 마개(5)에는 공기가 출입할 수 있는 약간의 틈을 형성하고 있다.However, when the power steering device is operated while driving a vehicle, a high pressure oil flows into the inflow pipe 2 and oil flows out of the outflow pipe 3 so that a sudden pressure fluctuation occurs and attenuates the pressure fluctuation. In order to stabilize the supply, the stopper 5 is provided with a slight gap through which air can enter and exit.

한편, 유입관(2)으로 고압의 오일이 되돌아오기 때문에 리저버의 내부에는 와류가 발생하고 차량의 주행중 진동과 기울어짐에 의하여 오일에 출렁임이 발생하므로, 이에 의해 오일이 상기 마개(5)의 틈을 통해 외부로 새어나가 리저버와 주변을 오염시키며 오일량 감소의 원인이 되고 있다.On the other hand, since the high-pressure oil is returned to the inlet pipe (2), the vortex is generated inside the reservoir, and the oil slumps due to the vibration and the tilting of the vehicle while driving, whereby the oil is the gap of the stopper (5). It leaks to the outside and contaminates the reservoir and surroundings, causing the oil to decrease.

따라서, 리저버내 오일의 출렁임을 저감시키고자 상부몸체(4)로부터주몸체(1)의 내부하방으로 연장성형되는 4개의 유동방지판(6)을 형성하였으나, 모세관현상등에 의해 여전히 마개(5)를 통하여 오일이 누출되는 현상이 발생하였다.Therefore, four flow preventing plates 6 are formed extending from the upper body 4 to the lower side of the main body 1 in order to reduce the fluctuation of the oil in the reservoir. However, the cap 5 still remains by capillary action. Oil leakage through the phenomenon occurred.

이에 본 발명은 상기와 같은 문제점을 해결하기 위하여 발명된 것으로, 리저버내 오일의 출렁거림을 더욱 억제하여 마개의 틈새를 통해 오일이 흘러 나가는 것을 방지할 수 있도록 된 자동차 파워스티어링장치의 오일 리저버를 제공함에 그 목적이 있다.Accordingly, the present invention has been invented to solve the above problems, and further provides an oil reservoir of an automotive power steering device that can further prevent the oil from flowing through the gap of the stopper by further suppressing the swelling of the oil in the reservoir. Has its purpose.

도 1은 오일 리저버의 정면도,1 is a front view of an oil reservoir,

도 2는 종래 기술에 따른 오일 리저버의 정단면도,2 is a front sectional view of an oil reservoir according to the prior art,

도 3은 종래 기술에 따른 오일 리저버의 평단면도,3 is a plan sectional view of an oil reservoir according to the prior art,

도 4는 본 발명에 따른 오일 리저버의 정단면도,4 is a front sectional view of an oil reservoir according to the present invention;

도 5는 본 발명에 따른 오일 리저버의 평단면도이다.5 is a plan sectional view of an oil reservoir according to the present invention.

*도면의 주요부분에 따른 부호의 설명** Description of the symbols according to the main parts of the drawings *

1 : 주몸체, 2 : 유입관,1: main body, 2: inlet pipe,

3 : 유출관, 4 : 상부몸체,3: outlet pipe, 4: upper body,

5 : 마개, 5a : 오일고임홈,5: stopper, 5a: oil gutter groove,

6 : 유동방지판, 7 : 유동방지관,6: flow preventing plate, 7: flow preventing tube,

7a : 구멍.7a: hole.

상기와 같은 목적을 달성하기 위한 본 발명은, 유입관과 유출관이 형성된 주몸체의 상부에 유동방지판이 형성된 상부몸체가 장착되고, 이 상부몸체에 형성된 오일 보충구에 마개가 씌워진 구조로 이루어진 오일 리저버에 있어서, 상기 상부몸체에 유동방지관이 형성되고, 상기 마개에 오일고임홈이 형성된 것을 특징으로 한다.The present invention for achieving the above object, the upper body is formed with a flow preventing plate is formed on the upper portion of the main body formed with the inlet pipe and the outlet pipe, the oil made of a structure covered with a stopper on the oil refill formed on the upper body In the reservoir, the flow prevention tube is formed in the upper body, characterized in that the oil gutter groove is formed in the stopper.

이하, 본 발명을 첨부된 예시도면을 참조하여 상세히 설명한다.Hereinafter, with reference to the accompanying drawings, the present invention will be described in detail.

도 4와 도 5는 본 발명에 따른 오일 리저버의 정단면도와 평단면도로서, 본 발명은 상부가 개구된 둥근 원통형상의 주몸체(1) 측면에 오일이 되돌아오는 유입관과 오일이 빠져 나가는 유출관이 형성되고, 상기 주몸체(1)의 개구된 상부에는 상부몸체(4)가 장착되되, 이 상부몸체(4)에는 평단면상의 4분할선상에 수직하방으로 연장성형된 유동방지판(6)들이 형성되며, 상기 상부몸체(4)의 상부에 형성된 오일 보충구에는 마개(5)가 씌워져 있는 오일 리저버에 있어서, 상기 상부몸체(4)에유동방지관(7)이 형성되고, 상기 마개(5)에는 오일고임홈(5a)이 형성되는 구조로 이루어진다.4 and 5 are a front cross-sectional view and a planar cross-sectional view of the oil reservoir according to the present invention, the present invention is the inlet pipe and the oil outlet pipe oil return to the round cylindrical main body (1) side of the upper opening Is formed, the upper body 4 is mounted on the open upper portion of the main body (1), the upper body (4) is a flow preventing plate (6) formed to extend vertically down on a four-divided line on a flat cross section Is formed, the oil refill formed on the upper portion of the upper body (4) in the oil reservoir is covered with a stopper (5), the flow prevention tube (7) is formed on the upper body (4), the stopper ( 5) is made of a structure in which the oil gutter groove (5a) is formed.

상기 유동방지관(7)은 원형의 관으로서 네 유동방지판(6)들의 중앙에 위치되며 상기 상부몸체(4)의 오일보충구로부터 하방으로 연장성형되고, 측면에는 원형의 구멍(7a)들이 다수 형성된다.The flow preventing tube (7) is a circular tube located in the center of the four flow preventing plates (6) and extends downward from the oil filling port of the upper body (4), the circular holes (7a) on the side Many are formed.

또한, 상기 오일고임홈(5a)은 마개의 상부 내측면 표면에 상방으로 오목하게 형성된 것으로서 상기 오일보충구의 상부에 위치한다.In addition, the oil gutter groove (5a) is formed on the upper inner surface of the stopper to be concave upwards and is located at the top of the oil filler.

따라서, 리저버내 오일의 와류와 차체의 진동 및 기울어짐 등에 의해 오일에 출렁거림이 발생할 때 상기 유동방지판(6)들과 유동방지관(7)에 의하여 오일의 출렁거림이 감소된다.Therefore, the oil fluctuation is reduced by the flow preventing plates 6 and the flow preventing tube 7 when the oil is shaken by the vortex of the oil in the reservoir and the vibration and tilt of the vehicle body.

즉, 유동방지판(6)들에 의해 오일의 와류발생과 출렁임이 억제되던 리저버내 주변공간과는 달리, 비어 있던 공간인 리저버내 중앙부위에 오일의 유동을 차단할 수 있는 유동방지관(7)이 위치됨으로써 오일의 출렁거림량을 한층 더 감소시킬 수 있도록 된 것이다.That is, unlike the surrounding space in the reservoir, in which the vortex generation and the sway of the oil are suppressed by the flow preventing plates 6, the flow preventing pipe 7 which can block the flow of oil in the central part of the reservoir, which is an empty space. By this position, the amount of slack in the oil can be further reduced.

또한, 상기 마개(5)의 윗면에 오일 출렁거림에 의해 튀거나 벽면을 타고 올라간 오일이 묻더라도 오일고임홈(5a)에서 점성에 의해 서로 모여 있다가 외부로 흘러가기전 일정량 이상이 되면 다시 아래쪽으로 떨어지게 됨으로써 마개(5)의 외부로 오일이 흘러나가지 않게 된다.In addition, even if the oil splashed on the top surface of the stopper (5) or the oil rises on the wall, even if the oil is gathered by the viscous grooves (5a) from each other by the viscous before going to the outside of the predetermined amount before going back down again By falling off the oil does not flow out of the stopper (5).

이상 설명한 바와 같이 본 발명에 따르면, 리저버의 중간부에도 오일의 출렁거림을 감소시키는 유동방지관이 형성되고, 마개에는 오일이 고일 수 있는 오일고임홈이 형성되어, 리저버 내 오일의 출렁임이 줄어들고 마개의 내면을 타고 외부로 오일이 흘러나가지 못하게 됨으로써 리저버 외측면과 주변의 오염을 방지하고, 오일의 감소량을 줄일 수 있게 되는 효과가 있다.As described above, according to the present invention, a flow preventing tube for reducing the swelling of the oil is formed in the middle of the reservoir, and the stopper is formed with an oil swelling groove in which the oil can accumulate, thereby reducing the swelling of the oil in the reservoir. By preventing the oil from flowing out through the inner surface of the reservoir, it is possible to prevent contamination of the outer surface of the reservoir and surroundings, and to reduce the amount of reduction of oil.

Claims (2)

주몸체(1)에 유입관(2)과 유출관(3)이 형성되고, 이 주몸체(1)의 개구된 상부에 장착되는 상부몸체(4)에는 주몸체(1)의 내부에서 하방으로 연장성형된 유동방지판(6)들이 형성되며, 상기 상부몸체(4)에 형성된 오일보충구를 막는 마개(5)가 구비된 자동차 파워스티어링장치의 오일 리저버에 있어서,An inlet tube 2 and an outlet tube 3 are formed in the main body 1, and the upper body 4 mounted on the opened upper portion of the main body 1 is downward from the inside of the main body 1. In the oil reservoir of the automotive power steering apparatus, in which an extended molded flow preventing plate (6) is formed and a stopper (5) for blocking an oil filling hole formed in the upper body (4), 상기 상부몸체(4)에는 오일보충구의 하방으로 연장성형되며 측면에 다수의 구멍(7a)이 형성된 원형의 유동방지관(7)이 형성된 것을 특징으로 하는 자동차 파워스티어링장치의 오일 리저버.The oil reservoir of the vehicle power steering device, characterized in that the upper body (4) is formed to extend downward of the oil filling port and a circular flow preventing tube (7) having a plurality of holes (7a) formed on the side. 제 1항에 있어서, 상기 마개(5)에는 오일보충구의 위쪽부분에 오일고임홈(5a)이 형성된 것을 특징으로 하는 자동차 파워스티어링장치의 오일 리저버.The oil reservoir of claim 1, wherein the stopper (5) has an oil gutter groove (5a) formed at an upper portion of the oil filler.
KR1020000074235A 2000-12-07 2000-12-07 an oil reservoir of power streeing system in a vehicle KR100364280B1 (en)

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KR100364280B1 true KR100364280B1 (en) 2002-12-11

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KR1020000074235A KR100364280B1 (en) 2000-12-07 2000-12-07 an oil reservoir of power streeing system in a vehicle

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