KR100273520B1 - Induction system of vehicle - Google Patents

Induction system of vehicle Download PDF

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Publication number
KR100273520B1
KR100273520B1 KR1019970059979A KR19970059979A KR100273520B1 KR 100273520 B1 KR100273520 B1 KR 100273520B1 KR 1019970059979 A KR1019970059979 A KR 1019970059979A KR 19970059979 A KR19970059979 A KR 19970059979A KR 100273520 B1 KR100273520 B1 KR 100273520B1
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South Korea
Prior art keywords
air
bobbin
air chamber
throttle body
throttle
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KR1019970059979A
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Korean (ko)
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KR19990039775A (en
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이종섭
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정몽규
현대자동차주식회사
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Priority to KR1019970059979A priority Critical patent/KR100273520B1/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/0002—Controlling intake air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/0002—Controlling intake air
    • F02D2041/001—Controlling intake air for engines with variable valve actuation

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)

Abstract

PURPOSE: An intake device is provided to prevent a failure of a starting and shock of an engine by preventing a rapid closing of a throttle valve. CONSTITUTION: An intake device for a vehicle comprises a throttle valve installed inside a throttle body(4) to control an amount of air; a bobbin connected with an accelerating pedal through a cable to rotate the throttle valve; an air chamber(18) having an air room(26) to be connected with an orifice(28) by forming in the throttle body(4); and a rod(22) contacted with the bobbin by embedding in the air chamber(18) lengthwise and to have an elastic member(20) between the air chamber(18). In instantaneously releasing the accelerating pedal, the bobbin is contacted with the rod(22). Reducing force is acted on the bobbin by flowing out the air of the air room(26) through the orifice(28). Thereby, the throttle body is closed slowly.

Description

차량용 흡기장치Intake Device for Vehicle

본 발명은 차량용 흡기장치에 관한 것으로서, 보다 상세하게는 스로틀 밸브의 급격한 닫힘현상을 방지하여, 엔진시동 꺼짐현상 및 엔진 쇼크를 방지할 수 있는 차량용 흡기장치에 관한 것이다.The present invention relates to an intake apparatus for a vehicle, and more particularly, to an intake apparatus for a vehicle capable of preventing a sudden closing phenomenon of a throttle valve and preventing an engine start-off phenomenon and an engine shock.

일반적으로 차량용 흡기장치는 외부의 공기를 흡입하여 연료분사장치인 인젝터를 통하여 분사되는 연료와 함께 혼합하여 연소실에 인입시켜 연소가 이루어질수 있도록 연소실내에 외기를 인입하기 위한 것이다.In general, the intake device for a vehicle is to draw outside air into the combustion chamber so that the combustion can be made by mixing with the fuel injected through the injector that is the fuel injection device by sucking the outside air.

상기한 흡기장치는 흡기를 에어크리너에서 정화시키고, 스로틀바디에서 가속페달의 작동에 의해 스로틀밸브가 흡기량을 조정하여 서지탱크로 일시 저장되고, 각 실린더로 공급된다.The above intake apparatus purifies the intake air in the air cleaner, and the throttle valve adjusts the intake amount by the operation of the accelerator pedal in the throttle body, and is temporarily stored in the surge tank and supplied to each cylinder.

그러나 상기한 바와 같은 흡기장치는 엔진 아이들시나 갑작스런 브레이크작동시 스로틀 밸브의 급격한 닫힘으로 인하여 순간적인 공기량 부족현상이 일어나, 엔진의 시동이 꺼지거나, 엔진 쇼크가 발생하는 문제점이 있다.However, the intake apparatus as described above has a problem in that an instantaneous shortage of air occurs due to a sudden closing of the throttle valve during engine idle or sudden brake operation, so that the engine is turned off or an engine shock occurs.

따라서 본 발명은 상기한 문제점을 해결하기 위하여 안출된 것으로서, 본 발명의 목적은 스로틀밸브의 급격한 닫힘동작을 방지함으로서, 엔진의 시동꺼짐 및 엔진 쇼크를 방지할 수 있는 차량용 흡기장치를 제공하는데 있다.Accordingly, the present invention has been made to solve the above problems, and an object of the present invention is to provide a vehicle intake apparatus that can prevent the engine off and engine shock by preventing a sudden closing operation of the throttle valve.

상기의 목적을 달성하기 위하여 본 발명은, 에어 크리너와 서지탱크 사이에 설치되는 스로틀바디의 내측에서 공기량을 조정할 수 있도록 개재되는 스로틀 밸브; 상기 스로틀밸브를 회동시킬 수 있도록 가속패달에 케이블로 연결되는 보빈과;상기 스로틀바디의 일측에 설치되어, 상기 보빈의 리턴을 지연시켜 감쇠작용을 할 수 있도록 하는 제진수단을 포함하는 차량용 흡기장치를 제공한다.In order to achieve the above object, the present invention, a throttle valve which is interposed so as to adjust the air amount inside the throttle body installed between the air cleaner and the surge tank; A bobbin connected to a cable by an acceleration pedal to rotate the throttle valve; a vehicle intake apparatus installed on one side of the throttle body and including vibration damping means for delaying the return of the bobbin to perform a damping action. to provide.

상기한 제진수단은 내측으로 대기와 접하는 오리피스가 연결되는 공기실을 갖고, 상기 스로틀바디의 일측에 형성된 공기챔버와; 상기 공기챔버에 길이방향으로 밀착 내장되어 일단이 상기 보빈과 접촉하고, 타단으로 공기챔버와의 사이에 탄성부재가 개재되는 재진로드로 이루어진다.The damping means has an air chamber to which the orifice in contact with the atmosphere inwardly, an air chamber formed on one side of the throttle body; It is built in close contact with the air chamber in the longitudinal direction, one end of the contact with the bobbin, the other end is composed of a resilient rod interposed between the air chamber and the air chamber.

도 1은 본 발명에 따른 차량용 흡기장치의 구성도.1 is a block diagram of a vehicle intake apparatus according to the present invention.

도 2는 본 발명에 따른 스로틀 바디를 도시한 측면도.Figure 2 is a side view of the throttle body according to the present invention.

도 3은 본 발명에 따른 스로틀바디에 장착된 데시포트의 단면도.Figure 3 is a cross-sectional view of the desipot mounted on the throttle body according to the present invention.

도 4는 본 발명에 따른 데시포트의 사용상태를 도시한 요부 단면도.Figure 4 is a sectional view of the main portion showing the state of use of the desipot according to the present invention.

이하, 첨부 도면을 참조하여 본 발명의 바람직한 일실시예를 상세하게 설명한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 발명에 의한 차량용 흡기장치의 구성도로서, 외기를 정화하는 에어 크리너(2)와, 이 에어 크리너(2)와 연결되어 유입되는 흡기량을 조정하는 스로틀바디(4)와, 이 스로틀 바디(4)에서 유입되는 흡기를 일시 저장하여 각 실린더(6)로 공급하는 서지탱크(8)와, 이 서지탱크(8)와 각 연소실(6)을 연결하는 흡기 매니폴더(10)를 포함하여 구성된다.1 is a configuration diagram of an intake apparatus for a vehicle according to the present invention, which includes an air cleaner 2 for purifying outside air, a throttle body 4 for adjusting an intake air amount connected to the air cleaner 2, and a throttle And a surge tank 8 for temporarily storing the intake air flowing from the body 4 and supplying it to each cylinder 6, and an intake manifold 10 connecting the surge tank 8 and each combustion chamber 6. It is configured by.

상기 스로틀 바디(4)는 에어 크리너(2)와 서지탱크(8) 사이에 위치하여, 가속패달(미도시)의 작동에 따라 개폐되어 흡기량을 조정하는 스로틀밸브(12)가 내장되고, 스로틀 바디(4)의 일측에 장착되어 엔진 아이들 및 갑작스런 브레이크 작동등으로 스로틀밸브의 급격한 닫힘현상을 방지하기 위한 데시포트가 장착된다.The throttle body 4 is located between the air cleaner 2 and the surge tank 8, the throttle valve 12 for opening and closing according to the operation of the acceleration pedal (not shown) to adjust the intake air amount, the throttle body It is mounted on one side of (4) and is equipped with a desipot for preventing sudden closing of the throttle valve due to engine idle and sudden brake operation.

도 2는 본 발명에 의한 스로틀 바디(4)의 측면도로서, 스로틀 바디(4)의 일측에 장착되고, 스로틀밸브(12)와 연결되는 보빈(14)과, 스로틀바디(4)의 일측에 장착되어, 상기 보빈(14)과 접촉하는 데시포트(16)으로 구성된다.2 is a side view of the throttle body 4 according to the present invention, which is mounted on one side of the throttle body 4 and is mounted on one side of the bobbin 14 and the throttle body 4 connected to the throttle valve 12. And a desiccation port 16 in contact with the bobbin 14.

상기한 보빈(14)은 스로틀바디(4)의 외측면에 회전가능하게 장착되고, 일단은 가속패달과 케이블(미도시)에 의해 연결되고, 스로틀바디(4)에 내장되는 스로틀밸브(12)와 연결 고정되어 가속패달의 작동에 의해 같이 회전하고 타단은 데시포트(16)와 접촉한다.The bobbin 14 is rotatably mounted on the outer surface of the throttle body 4, one end is connected by an acceleration pedal and a cable (not shown), the throttle valve 12 is built in the throttle body (4) It is fixed in connection with the rotation by the operation of the acceleration pedal and the other end is in contact with the desipot (16).

도 3은 상기 데시포트(16)의 구조를 도시한 단면도로서, 스로틀바디(4)의 측면에 외기가 유입되는 공기챔버(18)가 형성되고, 이 공기챔버(18)에 내장되고, 일단은 상기 보빈(14)과 접촉하고, 타단은 탄성부재(20)가 개재되는 재진로드(22)를 포함하여 구성된다.3 is a cross-sectional view showing the structure of the desipot 16, in which an air chamber 18 into which outside air flows is formed on a side surface of the throttle body 4, and is embedded in the air chamber 18. The bobbin 14 is in contact with the other end, and includes an earthing rod 22 having an elastic member 20 interposed therebetween.

상기한 공기챔버(18)는 일단으로 상기 재진로드(22)가 삽입되어 이탈을 방지하는 스톱퍼(24)가 끼움 결합되고, 타단으로 재진로드(22)의 일단과의 사이에 공기실(26)이 형성된다. 이 공기실(26)의 일측으로 오리피스(28)가 형성되어 대기의 흡입 및 배출될 수 있도록 이루어진다.The air chamber 18 is fitted with a stopper 24 to which the jammed rod 22 is inserted into one end to prevent separation, and an air chamber 26 between one end of the jammed rod 22 and the other end. Is formed. An orifice 28 is formed at one side of the air chamber 26 so that the air can be sucked and discharged.

상기한 재진로드(22)는 상기 공기챔버(4)에 길이방향으로 이동 가능하도록 내장되고, 보빈(14)과의 접촉을 위해 일단이 공기챔버의 오리피스공(28)이 형성된 측과 반대측 단으로 돌출되고, 일측 외주연으로 상기 스톱퍼(24)에 걸림되어 이탈을 방지하는 걸림턱(30)이 형성되고, 타단은 상기 공기챔버(18)의 내측과의 사이에 개제된 탄성부재(20)에 의해 감쇠 작용후 원위치로 복귀된다.The vibration rod 22 is embedded in the air chamber 4 so as to be movable in the longitudinal direction, and one end thereof is opposite to the side where the orifice hole 28 of the air chamber is formed for contact with the bobbin 14. Protruding and engaging with the stopper 24 at one side of the outer periphery is formed locking jaw 30 to prevent separation, the other end is formed in the elastic member 20 interposed between the inside of the air chamber 18 By the damping action to return to its original position

이러한 데시포트의 사용상태를 도 4에서 도시하고 있다.The use state of the desipot is shown in FIG.

가속패달을 순간적으로 놓을 경우 리턴되는 보빈(14)이 재진로드(22)의 상단에 접촉되면 공기실(26)의 공기가 오리피스(28)를 통해 유출되는 공기의 유동저항에 의해 보빈(14)에 감쇠력이 작용한다. 그러므로 상기 보빈과 같이 회전하는 스로틀바디의 닫힘이 서서히 이루어진다.If the bobbin 14 returned when the accelerator pedal is momentarily released is in contact with the upper end of the reloading rod 22, the air in the air chamber 26 is moved by the flow resistance of the air flowing out through the orifice 28. Damping force acts on. Therefore, the closing of the throttle body rotating with the bobbin is made slowly.

또한 가속패달을 밟으면 보빈(14)은 상기 재진로드(22)와 떨어지게 되고, 공기실(26)에 개재된 탄성부재(20)에 의해 재진로드(22)는 원위치로 복귀되고, 공기실에 대기의 공기가 유입된다.In addition, when the accelerator pedal is pressed, the bobbin 14 is separated from the ashing rod 22, and the ashing rod 22 is returned to its original position by the elastic member 20 interposed in the air chamber 26. Air is introduced.

상기한 바와 같은 본 발명에 의한 흡기장치는 스로틀바디의 일단에 설치된 제진수단이 스로틀밸브의 닫힘작동시 감쇠작용을 하여 엔진 시동꺼짐 및 엔진의 쇼크를 방지할 수 있다.In the intake apparatus according to the present invention as described above, the vibration damping means installed at one end of the throttle body has a damping effect during the closing operation of the throttle valve to prevent the engine starting off and the shock of the engine.

Claims (1)

에어 크리너(2)와 서지탱크(8) 사이에 설치되는 스로틀 바디(4)의 내측에서 공기량을 조정할 수 있도록 개재되는 스로틀 밸브(12)와; 상기 스로틀 밸브(12)를 희동시킬 수 있도록 가속페달에 케이블로 연결되는 보빈(14)과; 상기 스로틀 바디(4)의 일측에 설치되어, 상기 보빈(14)의 리턴을 지연시켜 감쇠 작용을 할 수 있도록 내측으로 대기와 접하는 오리피스(28)가 연결되는 공기실(26)을 갖고, 상기 스로틀 바디(4)의 일측에 형성된 공기 챔버(18)와; 상기 공기 챔버(18)에 길이방향으로 밀착 내장되어 일단이 상기 보빈(14)과 접촉하고, 타단으로 공기챔버(18)와의 사이에 탄성부재(20)가 개재되는 재진 로드(22)를 포함한 재진수단을 구성하여 이루어짐을 특징으로 하는 차량용 흡기장치.A throttle valve 12 interposed to adjust the amount of air inside the throttle body 4 provided between the air cleaner 2 and the surge tank 8; A bobbin (14) connected to the accelerator pedal with a cable to move the throttle valve (12); The throttle is provided on one side of the throttle body 4, and has an air chamber 26 to which an orifice 28 in contact with the atmosphere is connected to the inside so as to delay the return of the bobbin 14 to perform a damping action. An air chamber 18 formed at one side of the body 4; It is built in close contact with the air chamber 18 in the longitudinal direction, one end is in contact with the bobbin (14), and the other end of the ash including a resilient rod (22) with an elastic member 20 interposed between the air chamber 18 Intake apparatus for a vehicle, characterized in that consisting of means.
KR1019970059979A 1997-11-14 1997-11-14 Induction system of vehicle KR100273520B1 (en)

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KR1019970059979A KR100273520B1 (en) 1997-11-14 1997-11-14 Induction system of vehicle

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KR1019970059979A KR100273520B1 (en) 1997-11-14 1997-11-14 Induction system of vehicle

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KR100273520B1 true KR100273520B1 (en) 2000-12-15

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