KR100391595B1 - an oil reservoir of power streeing system in a car - Google Patents

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

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Publication number
KR100391595B1
KR100391595B1 KR10-2000-0063007A KR20000063007A KR100391595B1 KR 100391595 B1 KR100391595 B1 KR 100391595B1 KR 20000063007 A KR20000063007 A KR 20000063007A KR 100391595 B1 KR100391595 B1 KR 100391595B1
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South Korea
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oil
oil reservoir
vortex preventing
cap
preventing plate
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KR10-2000-0063007A
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Korean (ko)
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KR20020032108A (en
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류동조
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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

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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

본 발명은 자동차의 파워스티어링장치의 오일리저버에 관한 것으로, 몸체(1)의 내벽 상부에 설치된 수직 와류방지판(7)들의 하부에 홈(7a)이 형성되어, 이 홈에 원판형 수평 와류방지판(8)이 끼워져 장착된 구조로 이루어져 있다.The present invention relates to an oil reservoir of a power steering apparatus of a vehicle, wherein a groove (7a) is formed in the lower portion of the vertical vortex preventing plates (7) provided on the inner wall of the body (1), so that the disk-shaped horizontal vortex prevention The plate 8 is fitted and fitted.

따라서, 상기 수평 와류방지판(8)에 의하여 오일의 상하방향 유동이 억제되어 오일주입구(4)에 씌워진 캡(5)을 통하여 오일이 누설되는 현상이 더욱 개선된다.Therefore, the phenomenon in which oil flows through the cap 5 covered by the oil inlet 4 is further improved by the horizontal vortex preventing plate 8 being suppressed.

Description

자동차의 파워스티어링장치의 오일리저버{an oil reservoir of power streeing system in a car}An oil reservoir of power streeing system in a car}

본 발명은 자동차의 파워스티어링장치의 오일리저버에 관한 것으로, 특히 캡을 통하여 오일이 누설되지 않도록 된 자동차의 파워스티어링장치의 오일리저버에 관한 것이다.The present invention relates to an oil reservoir of a power steering apparatus of a motor vehicle, and more particularly, to an oil reservoir of a power steering apparatus of a vehicle such that oil does not leak through a cap.

일반적으로 자동차의 파워스티어링장치는 스티어링휠의 조향 조작력을 오일펌프에서 발생한 유압으로 보조하여 조향조작이 보다 용이하게 이루어질 수 있도록 된 것이며, 오일리저버에 저장되어 있는 오일이 오일펌프를 통하여 가압되어 컨트롤밸브로 공급되며, 조향방향에 따라 컨트롤밸브에서 유로가 조절되어 동력실린더의 파워피스톤의 이동방향이 제어되며, 동력실린더내 파워피스톤의 위치에 따른 두 챔버내의 오일량 변화를 수용하기 위하여 상기 컨트롤밸브에는 오일리저버로 오일이 리턴될 수 있는 관로가 연결되어 있다.In general, the power steering device of the vehicle assists steering operation of the steering wheel with the hydraulic pressure generated from the oil pump so that steering operation can be easily performed. The oil stored in the oil reservoir is pressurized through the oil pump to control the valve. The flow path is controlled in the control valve according to the steering direction to control the movement direction of the power piston of the power cylinder, and to control the amount of oil in the two chambers according to the position of the power piston in the power cylinder. There is a conduit for oil return to the oil reservoir.

한편, 종래 파워스티어링장치의 오일리저버는 도 1에 도시된 바와 같이, 통형 몸체(1)의 측면에 기어박스(인테그럴타입의 파워스팅어링장치에서는 조향 기어박스내에 컨트롤밸브와 동력실린더가 일체로 설치되어 있어서, 컨트롤밸브나 동력실린더를 구체적으로 지칭하지 않고, 이들과 순수한 조향기어부분을 통칭하여 기어박스라고 부르는 것이 일반적이다.)에 연결된 유입관(2)과 오일펌프(3)에 연결되는 배출관(3)이 형성되고, 상기 몸체(1)의 상부에는 오일을 주입하기 위한 오일주입구(4)가 형성되며, 이 오일주입구(4)에 캡(5)이 장착되며, 상기 배출관(3) 이전부분에 불순물을 걸러 주기 위한 오일필터(6)가 구비되는 한편, 오일의 안정적인 공급을 위해 오일리저버 내에서 와류가 발생되지 않도록 몸체(1)의 내벽 상부에 수직 와류방지판(7)이 일정간격으로 설치된 구조로 이루어져 있다(도 2참조).On the other hand, the oil reservoir of the conventional power steering device, as shown in Figure 1, the side of the cylindrical body (1) in the gear box (integral type power steering gear in the steering gear box, the control valve and the power cylinder integrally Is connected to the inlet pipe (2) and the oil pump (3), which are connected to the oil pump (3). A discharge pipe 3 is formed, and an oil inlet 4 for injecting oil is formed in an upper portion of the body 1, and a cap 5 is mounted on the oil inlet 4, and the discharge pipe 3 is provided. An oil filter 6 is provided in the previous part to filter out impurities, while a vertical vortex preventing plate 7 is fixed on the inner wall of the body 1 to prevent vortices from occurring in the oil reservoir for stable supply of oil. At intervals It consists of a structure installed (see Fig. 2).

따라서, 오일주입구(4)를 통하여 오일의 최초 주입이나 누설등에 의한 부족분을 보충할 수 있고, 배출관(3) 및 유입관(2)을 통해 오일이 오일펌프와 기어박스를 거치면서 조향배력작용을 할 수 있게 되어 있다.Therefore, it is possible to make up for the shortage due to the initial injection or leakage of oil through the oil inlet (4), the oil through the discharge pipe (3) and the inlet pipe (2) through the oil pump and gear box to operate the steering force action. I can do it.

한편, 상기 오일리저버내의 오일에는 자동차의 상태(가속,감속,정지등의 속도변동 및 노면에 따른 차량 기울어짐)에 따라 유동이 발생하게 되는데, 이에 따라 오일이 몸체(1)의 내부 벽면과 수직 와류방지판(7)을 타고 올라가 오일주입구(4)와 캡(5)의 사이로 누설되는 문제점이 있었다.On the other hand, the oil in the oil reservoir generates a flow in accordance with the state of the vehicle (speed change of acceleration, deceleration, stop, etc. and the vehicle tilted according to the road surface), so that the oil is perpendicular to the inner wall of the body (1) There was a problem that the ride up the vortex prevention plate (7) to leak between the oil inlet (4) and the cap (5).

따라서, 상기 캡(5)의 구조나 캡(5)과 오일주입구(4) 사이의 구조를 개선하거나 시일링을 보강함으로써 오일 누설방지를 꾀하였으나, 상기 기어박스로부터 유입관(2)을 통하여 오일리저버내로 들어오는 오일의 압력이 고압(30∼80bar)이기 때문에 그 효과가 미비하였다.Therefore, the oil leakage is prevented by improving the structure of the cap 5 or the structure between the cap 5 and the oil inlet 4 or by reinforcing the sealing, but the oil through the inlet pipe 2 from the gear box. The effect was insignificant because the pressure of the oil entering the reservoir was high pressure (30 to 80 bar).

이에 본 발명은 상기와 같은 캡을 통한 오일 누설문제를 개선하고자 안출된 것으로, 리저버내 오일의 상하유동을 억제하여 오일이 오일리저버의 상면에 닿게 되는 경우를 적게 함으로써 캡을 통해 오일이 누설되는 현상을 개선할 수 있도록 된 자동차의 파워스티어링장치의 오일리저버를 제공함에 그 목적이 있다.Therefore, the present invention is devised to improve the oil leakage problem through the cap as described above, the phenomenon that the oil leaks through the cap by suppressing the up and down flow of the oil in the reservoir to reduce the case that the oil is in contact with the upper surface of the oil reservoir. It is an object of the present invention to provide an oil reservoir of a power steering apparatus of a vehicle that can be improved.

도 1은 종래 기술에 따른 파워스티어링장치의 오일리저버 단면도,1 is a cross-sectional view of an oil reservoir of a power steering apparatus according to the prior art,

도 2는 도 1의 평단면도,2 is a plan sectional view of FIG. 1;

도 3은 본 발명에 따른 파워스티어링장치의 오일리저버 단면도,3 is a cross-sectional view of an oil reservoir of the power steering apparatus according to the present invention;

도 4는 도 3의 평단면도,4 is a plan sectional view of FIG. 3;

도 5는 수직 와류방지판과 수평 와류방지판의 결합상태도이다.5 is a state diagram of the combination of the vertical vortex preventing plate and the horizontal vortex preventing plate.

*도면의 주요부분에 대한 부호의 설명** Description of the symbols for the main parts of the drawings *

1 : 몸체, 2 : 유입관,1: body, 2: inlet pipe,

3 : 배출관, 4 : 오일주입구,3: discharge pipe, 4: oil inlet,

5 : 캡, 6 : 오일필터,5: cap, 6: oil filter,

7 : 수직 와류방지판, 7a : 홈,7: vertical vortex breaker, 7a: groove,

8 : 수평 와류방지판, 8a : 구멍.8: Horizontal Vortex Block, 8a: Hole.

상기와 같은 목적을 달성하기 위한 본 발명은, 오일리저버의 몸체 내에 설치된 수직 와류방지판에 수평 와류방지판이 설치되어 수직 와류방지판을 매개로 몸체내부 공간영역의 많은 부분을 가리는 구조로 이루어져 있다.The present invention for achieving the above object, the horizontal vortex preventing plate is installed in the vertical vortex preventing plate installed in the body of the oil reservoir consists of a structure covering a large portion of the inner space area of the body via the vertical vortex blocking plate.

즉, 상기 수평 와류방지판에 의하여 오일의 상하유동이 억제되도록 된 것이다.That is, the up and down flow of oil is suppressed by the horizontal vortex preventing plate.

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

도 3은 본 발명에 따른 자동차의 파워스티어링장치의 오일리저버의 단면도로서, 본 발명은 원통형 몸체(1)와, 이 몸체(1)의 측면에 형성되어 기어박스로부터 오일이 유입되어 들어오는 통로가 되는 유입관(2)과, 역시 상기 몸체(1)의 측면에 형성되되 오일펌프로 오일을 공급하는 통로인 배출관(3)과, 상기 몸체(1)의 상부에 형성되어 오일의 초기 주입과 사용시 부족량 보충을 할 수 있도록 된 오일주입구(4)와, 이 오일주입구(4)에 장착되는 캡(5)과, 상기 몸체(1)내에 배출관(3)의 이전부분(오일이동경로의 측면에서)에 수평으로 장착된 오일필터(6)와, 상기 몸체(1)의 내벽 상부에 설치된 수직 와류방지판(7)으로 이루어진 오일리저버에 있어서, 상기 수직 와류방지판(7)들에 수평 와류방지판(8)이 설치되는 구조로 이루어져 있다.Figure 3 is a cross-sectional view of the oil reservoir of the power steering apparatus of the vehicle according to the present invention, the present invention is formed in the cylindrical body (1), the side of the body (1) is a passage through which oil is introduced from the gearbox Inlet pipe (2), and also formed on the side of the body (1), discharge pipe (3) which is a passage for supplying oil to the oil pump, and formed in the upper portion of the body (1) insufficient amount during the initial injection and use of oil The oil inlet (4), which is able to be replenished, a cap (5) attached to the oil inlet (4), and a previous portion (in the side of the oil movement path) of the discharge pipe (3) in the body (1). In the oil reservoir consisting of a horizontally mounted oil filter (6) and a vertical vortex preventing plate (7) installed on the inner wall of the body (1), the horizontal vortex preventing plate (7) 8) consists of a structure that is installed.

즉, 상기 수평 와류방지판(8)은 도 4와 도 5에 도시된 바와 같이, 다수의 원형 구멍(8a)이 불규칙적으로 형성된 원판형상으로 이루어져 상기 몸체(1)의 4분선상에 고정되어 있는 수직와류방지판(7)들의 하부부위로 형성된 홈(7a)에 끼워져 장착된다.That is, as shown in FIGS. 4 and 5, the horizontal vortex preventing plate 8 is formed in a disc shape in which a plurality of circular holes 8a are irregularly fixed and fixed on a quadrant of the body 1. It is fitted into the groove (7a) formed by the lower portion of the vertical swirl prevention plate (7).

따라서, 상기 수평 와류방지판(8)은 수직와류방지판(7)에 끼워짐으로 인해 몸체(1)의 내면 공간부위를 많은 부분 가리면서 오일리저버에 채워진 오일에 수평상태로 잠겨 있게 되므로, 일종의 차단판 역할을 하여 오일에 수직방향으로 유동이 발생하였을 때 이를 억제해주게 된다.Therefore, the horizontal vortex preventing plate 8 is locked to the oil filled in the oil reservoir in a horizontal state by covering a large portion of the inner surface space of the body 1 due to being fitted to the vertical vortex preventing plate 7, It acts as a blocking plate to suppress when the flow occurs in the vertical direction to the oil.

그러므로, 상기 오일이 캡(5)부위까지 닿게 되는 경우가 줄어들어 캡(5)과 오일주입구(4)의 사이로 오일이 새는 현상이 개선된다.Therefore, the case where the oil reaches the portion of the cap 5 is reduced, so that oil leaks between the cap 5 and the oil inlet 4 is improved.

이상 설명한 바와 같이 본 발명에 따르면, 수직 와류방지판들에 형성된 홈에 끼워져 수평 와류방지판이 설치되므로, 오일의 수평방향 유동을 억제할 수 있게 됨으로써 캡으로의 오일 누설이 한층 개선되며, 이와 같이 오일 누설이 개선되면 엔진룸이 오일에 의해 오염되지 않게 되고, 또한 오일 누설로 인해 파워스티어링장치가 작동 불능이 되는 상태가 발생되지 않으므로 차량의 상품성과 신뢰성이 향상되는 효과가 있다.As described above, according to the present invention, since the horizontal vortex preventing plate is installed by being inserted into the grooves formed in the vertical vortex preventing plates, the oil leakage to the cap can be further improved by suppressing the horizontal flow of oil. If the leakage is improved, the engine room is not contaminated by oil, and the oil leakage does not cause the power steering device to become inoperable, thereby improving the merchandise and reliability of the vehicle.

Claims (2)

몸체(1)의 측부에 유입관(2)과 배출관(3)이 형성되고 상부에는 오일주입구(4)가 형성되며, 이 오일주입구(4)에는 캡(5)이 장착되고, 상기 몸체(1)의 내부에는 오일필터(6)가 구비되고 내벽 상부에 수직 와류방지판(7)들이 장착된 구조로 이루어진 자동차의 파워스티어링장치의 오일리저버에 있어서,An inlet pipe 2 and an outlet pipe 3 are formed at the side of the body 1, and an oil inlet 4 is formed at an upper portion thereof. The oil inlet 4 is equipped with a cap 5, and the body 1 In the oil reservoir of the power steering apparatus of a vehicle having an oil filter (6) inside the structure and the vertical vortex preventing plate (7) is mounted on the inner wall, 상기 수직 와류방지판(7)들에 형성된 홈(7a)에 끼워져 몸체(1)내부의 공간영역을 많은 부분 가릴 수 있도록 수평 와류방지판(8)이 설치된 것을 특징으로 하는 자동차의 파워스티어링장치의 오일리저버.The horizontal vortex preventing plate 8 is installed in the groove 7a formed in the vertical vortex preventing plates 7 so as to cover a large part of the space area inside the body 1. Oil reservoir. 제 1항에 있어서, 상기 수평 와류방지판(8)에는 다수의 구멍(8a)이 형성되는 것을 특징으로 하는 자동차의 파워스티어링장치의 오일리저버.2. The oil reservoir of claim 1, wherein a plurality of holes (8a) are formed in the horizontal vortex preventing plate (8).
KR10-2000-0063007A 2000-10-25 2000-10-25 an oil reservoir of power streeing system in a car KR100391595B1 (en)

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