KR20070024162A - Throttle valve of automobile - Google Patents

Throttle valve of automobile Download PDF

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Publication number
KR20070024162A
KR20070024162A KR1020050078802A KR20050078802A KR20070024162A KR 20070024162 A KR20070024162 A KR 20070024162A KR 1020050078802 A KR1020050078802 A KR 1020050078802A KR 20050078802 A KR20050078802 A KR 20050078802A KR 20070024162 A KR20070024162 A KR 20070024162A
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KR
South Korea
Prior art keywords
return spring
throttle valve
guide
throttle
valve plate
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KR1020050078802A
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Korean (ko)
Inventor
유재웅
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현대자동차주식회사
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Priority to KR1020050078802A priority Critical patent/KR20070024162A/en
Publication of KR20070024162A publication Critical patent/KR20070024162A/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
    • F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/02—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits concerning induction conduits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
    • F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/02—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits concerning induction conduits
    • F02D2009/0201—Arrangements; Control features; Details thereof

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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

A throttle valve of a vehicle is provided to prevent accidents caused due to freezing of a return spring, by removing snow or foreign substances from the return spring when the return spring is compressed. A throttle valve of a vehicle comprises a throttle body connected to an intake pipe; a valve plate arranged in the throttle body so that the valve plate is rotatable; a throttle valve lever(24) connected to the valve plate so as to rotate the valve plate; a return spring(26) coupled to the throttle valve lever; and a foreign substance removing guide(30) fitted to the return spring so that the foreign substance removing guide removes foreign substances from the return spring when the return spring is compressed. The foreign substance removing guide includes a guide ring(32) arranged in the return spring; and a guide rod(34) protruded from the guide ring and fitted between the return springs.

Description

자동차의 트로틀 밸브{THROTTLE VALVE OF AUTOMOBILE}THROTTLE VALVE OF AUTOMOBILE

도 1은 종래 기술에 따른 자동차의 트로틀 밸브가 도시된 사시도이다.1 is a perspective view showing a throttle valve of a vehicle according to the prior art.

도 2는 본 발명에 따른 자동차의 트로틀 밸브가 도시된 사시도이다.2 is a perspective view showing a throttle valve of a vehicle according to the present invention.

도 3은 도 2의 A-A선에 따른 단면도이다.3 is a cross-sectional view taken along the line A-A of FIG.

도 4는 도 3의 B-B선에 따른 단면도이다. 4 is a cross-sectional view taken along line B-B of FIG. 3.

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

20 : 트로틀 바디 22 : 밸브 플레이트20: throttle body 22: valve plate

24 : 트로틀 밸브 레버 26 : 리턴 스프링24: throttle valve lever 26: return spring

30 : 이물질 제거용 가이드 32 : 가이드 링30: guide for removing foreign matter 32: guide ring

34 : 가이드 로드34: guide rod

본 발명은 자동차의 트로틀 밸브에 관한 것으로서, 보다 상세하게는 리턴 스 프링의 압축 변형시 상기 리턴 스프링에 붙은 결빙 등 이물질을 제거할 수 있는 자동차의 트로틀 밸브에 관한 것이다.The present invention relates to a vehicle throttle valve, and more particularly, to a vehicle throttle valve that can remove foreign substances, such as freezing adhered to the return spring during compression deformation of the return spring.

일반적으로 자동차에는 외부 공기를 엔진으로 안내하는 흡기관에, 상기 흡기 관에 흡입된 공기를 엔진에 필요한 만큼만 공급되도록 흡입 공기량을 조절하는 트로틀 밸브가 설치된다.In general, a vehicle is provided with a throttle valve for adjusting the amount of intake air so as to supply only the amount of air sucked into the intake pipe to the engine.

도 1은 종래 기술에 따른 자동차의 트로틀 밸브가 도시된 사시도이다.1 is a perspective view showing a throttle valve of a vehicle according to the prior art.

종래 기술에 따른 자동차의 트로틀 밸브는 트로틀 바디 레버(2)의 조작에 의해 흡기관과 연결된 트로틀 바디(4) 내 밸브 플레이트(6)를 회전시켜 상기 트로틀 바디(4)를 개방시키고, 상기 트로틀 밸브 레버(2)의 조작을 해제하여 상기 트로틀 바디(4) 외부에 설치된 리턴 스프링(8)의 탄성력에 의해 상기 트로틀 바디(4)를 폐쇄시킴으로써 흡입 공기량을 조절한다.The vehicle throttle valve according to the prior art rotates the valve plate 6 in the throttle body 4 connected to the intake pipe by the operation of the throttle body lever 2 to open the throttle body 4, and the throttle valve The amount of intake air is adjusted by releasing the operation of the lever 2 to close the throttle body 4 by the elastic force of the return spring 8 provided outside the throttle body 4.

그러나 상기한 바와 같이 구성된 종래 기술에 따른 자동차의 트로틀 밸브는 혹한기에 녹은 눈 등에 의해 상기 리턴 스프링(8)이 결빙되어 정상적으로 밸브작용을 하지 못하고, 상기 리턴 스프링(8)의 결빙으로 인해 사고를 유발하는 문제점이 있다.However, the throttle valve of a vehicle according to the related art, which is configured as described above, does not operate normally due to the freezing of the return spring 8 due to snow melted in cold weather, and causes an accident due to freezing of the return spring 8. There is a problem.

본 발명은 상기한 문제점을 해결하기 위하여 안출된 것으로서, 본 발명의 목적은 리턴 스프링의 압축시 상기 리턴 스프링에 붙은 결빙 등 이물질을 밀어서 제 거함으로써, 상기 리턴 스프링의 결빙 등으로 인해 비정상적으로 작동되는 것을 방지할 수 있는 자동차의 트로틀 밸브를 제공하는 데 있다.The present invention has been made to solve the above problems, an object of the present invention is to operate abnormally due to the freezing of the return spring by removing foreign matter, such as freezing adhered to the return spring during compression of the return spring. To provide a vehicle throttle valve that can be prevented.

상기한 과제를 실현하기 위한 본 발명의 자동차의 트로틀 밸브는 흡기관과 연결된 트로틀 바디와; 상기 트로틀 바디 내부에 회전 가능토록 설치된 밸브 플레이트와; 상기 트로틀 바디 외부에서 상기 밸브 플레이트와 연결되어 상기 밸브 플레이트를 회전시키는 트로틀 밸브 레버와; 상기 트로틀 밸브 레버에 결합된 리턴 스프링과; 상기 리턴 스프링에 끼워져 상기 리턴 스프링의 압축 변형시 상기 리턴 스프링에 붙은 이물질을 털어내는 이물질 제거용 가이드를 포함하여 구성된 것을 특징으로 한다.The throttle valve of the automobile of the present invention for realizing the above object is a throttle body connected to the intake pipe; A valve plate rotatably installed in the throttle body; A throttle valve lever connected to the valve plate outside the throttle body to rotate the valve plate; A return spring coupled to the throttle valve lever; It is characterized in that it comprises a foreign material removal guide is inserted into the return spring to shake off the foreign matter attached to the return spring when the compression deformation of the return spring.

상기 이물질 제거용 가이드는 상기 리턴 스프링 내부에 위치된 가이드 링과, 상기 가이드 링에서 돌출되어 상기 리턴 스프링 사이에 끼워진 가이드 로드로 이루어진 것을 특징으로 한다.The foreign material removal guide is characterized by consisting of a guide ring located inside the return spring, and a guide rod protruding from the guide ring is sandwiched between the return spring.

상기 가이드 로드는 상기 리턴 스프링의 미 변형시 상기 이물질 제거용 가이드의 외경이 상기 리턴 스프링의 외경과 동일하도록 구비된 것을 특징으로 한다.The guide rod is characterized in that the outer diameter of the guide for removing foreign matters is not the same as the outer diameter of the return spring when the deformation of the return spring.

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

도 2는 본 발명에 따른 자동차의 트로틀 밸브가 도시된 사시도이고, 도 3은 도 2의 A-A선에 따른 단면도이고, 도 4는 도 3의 B-B선에 따른 단면도이다.2 is a perspective view showing a throttle valve of a vehicle according to the present invention, Figure 3 is a cross-sectional view taken along the line A-A of Figure 2, Figure 4 is a cross-sectional view taken along the line B-B of FIG.

본 발명에 따른 자동차의 트로틀 밸브는 엔진으로 흡입 공기가 흡입되는 흡기관과 연결된 트로틀 바디(20)와, 상기 트로틀 바디(20) 내부에 회전 가능토록 설치되어 상기 트로틀 바디(20)를 개폐하는 밸브 플레이트(22)와, 상기 트로틀 바디 (20)외부에서 상기 밸브 플레이트(22)와 연결되어 상기 밸브 플레이트(22)를 회전시키는 트로틀 밸브 레버(24)와, 상기 트로틀 밸브 레버(24)에 결합된 리턴 스프링(26)과, 상기 리턴 스프링(26)에 끼워져 상기 리턴 스프링(26)의 압축 변형시 상기 리턴 스프링(26)에 붙은 이물질을 털어서 밀어내는 이물질 제거용 가이드(30)로 구성된다.The throttle valve of the vehicle according to the present invention is provided with a throttle body 20 connected to an intake pipe through which intake air is sucked into the engine, and a valve which is rotatably installed in the throttle body 20 to open and close the throttle body 20. A plate 22, a throttle valve lever 24 connected to the valve plate 22 outside the throttle body 20 to rotate the valve plate 22, and coupled to the throttle valve lever 24. It is composed of a return spring 26 and a foreign material removal guide 30 inserted into the return spring 26 to push off the foreign matter attached to the return spring 26 when the return spring 26 is compressed and deformed.

상기 리턴 스프링(26)은 상기 트로틀 밸브 레버(24)의 외측에 상기 트로틀 밸브 레버(24)의 길이방향을 따라 다수번 권선된 비틀림 코일 스프링이다.The return spring 26 is a torsion coil spring wound a plurality of times along the longitudinal direction of the throttle valve lever 24 on the outside of the throttle valve lever 24.

이와 같이 구비된 리턴 스프링(26)은 일단이 상기 트로틀 바디(20) 외측에 고정되고, 타단이 상기 트로틀 밸브 레버(24)와 연동될 수 있도록 연결된다.One end of the return spring 26 is fixed to the outside of the throttle body 20, and the other end of the return spring 26 is connected to the throttle valve lever 24.

상기 이물질 제거용 가이드(30)는 상기 리턴 스프링(26) 내부에 위치된 가이드 링(32)과, 상기 가이드 링(32)에서 반경 외측방향으로 돌출되어 상기 리턴 스프링(26) 사이에 끼워진 가이드 로드(34)로 이루어진다.The foreign material removal guide 30 may include a guide ring 32 located inside the return spring 26, and a guide rod protruded radially outward from the guide ring 32 and inserted between the return springs 26. It consists of 34.

상기 가이드 로드(34)는 상기 가이드 링(32)의 길이방향을 따라 상기 가이드 링(32)의 외측에 다수개가 일렬 배열된다.A plurality of the guide rods 34 are arranged in a line outside the guide ring 32 along the length of the guide ring 32.

상기 가이드 로드(34)는 링형으로 형성되거나 상기 가이드 링(32)의 둘레를 따라 다수개가 일렬 배열된다.The guide rods 34 are formed in a ring shape or a plurality of guide rods 34 are arranged in a line along the circumference of the guide ring 32.

상기 가이드 로드(34)는 상기 리턴 스프링(26)의 미 변형시 상기 이물질 제거용 가이드(30)의 외경이 상기 리턴 스프링(26)의 외경과 동일하도록 일정 길이로 구비된다.The guide rod 34 is provided with a predetermined length such that the outer diameter of the foreign material removal guide 30 is the same as the outer diameter of the return spring 26 when the return spring 26 is not deformed.

상기와 같이 구성되는 본 발명에 따른 자동차의 트로틀 밸브의 작용을 살펴보면, 다음과 같다.Looking at the action of the vehicle throttle valve according to the present invention configured as described above, as follows.

상기 트로틀 밸브 레버(24)를 당기면 상기 밸브 플레이트(22)가 회전되면서 상기 트로틀 바디(20)가 개방된다. 이 때 상기 트로틀 밸브 레버(24)가 당겨짐에 따라 상기 리턴 스프링(26)이 압축 변형되고, 상기 이물질 제거용 가이드(30)가 상기 리턴 스프링(26) 외측으로 돌출되면서 상기 리턴 스프링(26)에 붙은 눈 등의 이물질을 털어서 밀어냄으로써 결빙 등의 인해 상기 리턴 스프링(26)이 고착되지 않게 한다.Pulling the throttle valve lever 24 rotates the valve plate 22 to open the throttle body 20. At this time, as the throttle valve lever 24 is pulled, the return spring 26 is deformed and deformed, and the foreign material removal guide 30 protrudes out of the return spring 26 to the return spring 26. The return spring 26 is prevented from sticking due to freezing or the like by shaking off foreign matter such as stuck eyes.

한편 상기 트로틀 밸브 레버(24)를 더 이상 당기지 않으면 상기 리턴 스프링(26)의 탄성력에 의해 상기 트로틀 밸브 레버(24)가 원래 위치로 복귀되고, 상기 밸브 플레이트(22)가 역으로 회전되면서 상기 트로틀 바디(20)가 닫혀진다. 물론, 상기 리턴 스프링(26)은 원 상태로 복원되고, 상기 이물질 제거용 가이드(30)가 상기 리턴 스프링(26) 외측으로 돌출되지 않은 상태가 된다. Meanwhile, when the throttle valve lever 24 is not pulled anymore, the throttle valve lever 24 is returned to its original position by the elastic force of the return spring 26, and the valve plate 22 is rotated in reverse to the throttle. The body 20 is closed. Of course, the return spring 26 is restored to its original state, and the foreign material removal guide 30 is not protruded to the outside of the return spring 26.

상기와 같이 구성되고 작용되는 본 발명에 따른 자동차의 트로틀 밸브는 트로틀 밸브 레버에 결합된 리턴 스프링에 이물질 제거용 가이드가 설치됨으로써, 상 기 리턴 스프링의 압축 변형시 상기 이물질 제거용 가이드가 상기 리턴 스프링 외측으로 돌출되면서 상기 리턴 스프링에 붙은 눈 등의 이물질을 털어서 밀어내기 때문에 상기 리턴 스프링이 결빙 등으로 인해 고착되어 오작동되는 것을 방지할 수 있는 이점이 있다.The throttle valve of the vehicle according to the present invention configured and operated as described above is provided with a guide for removing foreign matters on the return spring coupled to the throttle valve lever, so that the guide for removing foreign matters when the return spring is compressed and deformed is returned to the return spring. Since it protrudes outward, the foreign material such as snow attached to the return spring is pushed out to push the return spring, thereby preventing the return spring from being stuck and malfunctioning.

Claims (3)

흡기관과 연결된 트로틀 바디와;A throttle body connected to the intake pipe; 상기 트로틀 바디 내부에 회전 가능토록 설치된 밸브 플레이트와;A valve plate rotatably installed in the throttle body; 상기 트로틀 바디 외부에서 상기 밸브 플레이트와 연결되어 상기 밸브 플레이트를 회전시키는 트로틀 밸브 레버와;A throttle valve lever connected to the valve plate outside the throttle body to rotate the valve plate; 상기 트로틀 밸브 레버에 결합된 리턴 스프링과;A return spring coupled to the throttle valve lever; 상기 리턴 스프링에 끼워져 상기 리턴 스프링의 압축 변형시 상기 리턴 스프링에 붙은 이물질을 털어내는 이물질 제거용 가이드를 포함하여 구성된 것을 특징으로 하는 자동차의 트로틀 밸브.The throttle valve of the vehicle, characterized in that it comprises a guide for removing the foreign matter is inserted into the return spring to shake off the foreign matter attached to the return spring when the compression deformation of the return spring. 제 1 항에 있어서,The method of claim 1, 상기 이물질 제거용 가이드는 상기 리턴 스프링 내부에 위치된 가이드 링과, 상기 가이드 링에서 돌출되어 상기 리턴 스프링 사이에 끼워진 가이드 로드로 이루어진 것을 특징으로 하는 자동차의 트로틀 밸브.The foreign material removal guide is a throttle valve of a vehicle, characterized in that consisting of a guide ring located in the return spring and a guide rod protruding from the guide ring and sandwiched between the return spring. 제 2 항에 있어서,The method of claim 2, 상기 가이드 로드는 상기 리턴 스프링의 미 변형시 상기 이물질 제거용 가이 드의 외경이 상기 리턴 스프링의 외경과 동일하도록 구비된 것을 특징으로 하는 자동차의 트로틀 밸브.The guide rod is a vehicle throttle valve, characterized in that the outer diameter of the foreign material removal guide is provided with the same as the outer diameter of the return spring when the deformation of the return spring is not deformed.
KR1020050078802A 2005-08-26 2005-08-26 Throttle valve of automobile KR20070024162A (en)

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