KR960008550Y1 - Valve apparatus having cooling equipment - Google Patents

Valve apparatus having cooling equipment Download PDF

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Publication number
KR960008550Y1
KR960008550Y1 KR92020945U KR920020945U KR960008550Y1 KR 960008550 Y1 KR960008550 Y1 KR 960008550Y1 KR 92020945 U KR92020945 U KR 92020945U KR 920020945 U KR920020945 U KR 920020945U KR 960008550 Y1 KR960008550 Y1 KR 960008550Y1
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South Korea
Prior art keywords
oil
valve
tappet
diaphragm
valve mechanism
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KR92020945U
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Korean (ko)
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KR940010264U (en
Inventor
권남철
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전성원
현대자동차 주식회사
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Priority to KR92020945U priority Critical patent/KR960008550Y1/en
Publication of KR940010264U publication Critical patent/KR940010264U/en
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Publication of KR960008550Y1 publication Critical patent/KR960008550Y1/en

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L3/00Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
    • F01L3/12Cooling of valves
    • F01L3/16Cooling of valves by means of a fluid flowing through or along valve, e.g. air
    • F01L3/18Liquid cooling of valve
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P3/00Liquid cooling
    • F01P2003/006Liquid cooling the liquid being oil

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)

Abstract

내용 없음.No content.

Description

냉각장치가 설치된 밸브기구Valve mechanism with cooling device

제1도는 자동차 밸브장치의 밸브기구에 대한 구성도.1 is a block diagram of a valve mechanism of the automobile valve device.

제2도는 본 고안에 따른 냉각장치가 설치된 밸브기구의 구성도.2 is a block diagram of a valve mechanism is installed cooling device according to the present invention.

제3도는 본 고안에 따른 리드밸브의 설치구성도.3 is an installation configuration of the reed valve according to the present invention.

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

10 : 실린더 블록 11 : 밸브기구10 cylinder block 11: valve mechanism

12 : 캠 13 : 태핏12: Cam 13: Tappet

14 : 리테이너 15 : 스프링14: retainer 15: spring

16 : 가이드 17 : 밸브스템16: guide 17: valve stem

18 : 밸브 19 : 헤드18: valve 19: head

20 : 격판 20' : 리드밸브20: diaphragm 20 ': reed valve

21 : 스프링 22 : 하우징21: spring 22: housing

23 : 오일압송부 24 : 오일이송관23: oil conveying unit 24: oil conveying pipe

25 : 오일회수관 26 : 안착요홈부25: oil recovery pipe 26: seating recess groove

27 : 걸림홈 28 : 외주선단27: hanging groove 28: outer periphery

29 : 후면부 30 : 유출구29: rear portion 30: outlet

31 : 개구부 32 : 오일유입공31: opening 32: oil inlet hole

33 : 가이드 34 : 개폐단33: guide 34: opening and closing end

본 고안의 냉각장치가 설치된 밸브기구에 관한 것으로서, 보다 상세하게는 밸브기구의 태핏(TAPPET)에는 오일압송부를 형성하고 밸브스템(VALVE STEM)의 내측에는 오일이송관을 설치함으로써, 오일의 순환을 이용하여 밸브기구의 냉각효과를 얻을 수 있는 냉각장치가 설치된 밸브기구에 관한 것이다.The present invention relates to a valve mechanism provided with a cooling device of the present invention. More specifically, the oil pump is formed on the tappet of the valve mechanism, and an oil transfer pipe is installed inside the valve stem to prevent the circulation of oil. The present invention relates to a valve mechanism provided with a cooling device capable of obtaining the cooling effect of the valve mechanism.

일반적으로 자동차 엔진부의 실린더 블록에는 밸브기구가 설치되고, 이 밸브기구는 밸브를 개폐하여 연소실 내.외로 흡.배기 출입을 단속하도록 되어 있으며, 제1도에 도시된 바와 같이, 상기 실린더 블록(10)에 설치되는 밸브기구(11)는 캠(12), 태핏(13), 리테이너(14) 스프링(15), 가이드(16), 밸브스템(17) 및 밸브(18)로 구성되어서, 크랭크축(도시되지 않음)의 회전이 캠(12)으로 전달되고 캠(12)의 회전으로 태핏(13)이 이동되며, 이 운동은 리테이너(14), 밸스스템(17)으로 전달되어 밸브(18)의 개폐가 이루어지는 것이다.Generally, a valve mechanism is installed in a cylinder block of an automobile engine unit, and the valve mechanism opens and closes a valve to control intake and exhaust of gas in and out of the combustion chamber. As shown in FIG. 1, the cylinder block 10 The valve mechanism 11 installed in the crankshaft comprises a cam 12, a tappet 13, a retainer 14, a spring 15, a guide 16, a valve stem 17 and a valve 18. Rotation of (not shown) is transmitted to the cam 12 and the tappet 13 is moved by the rotation of the cam 12, which movement is transmitted to the retainer 14, the balance stem 17 to the valve 18. Will be opened and closed.

이러한 밸브기구(11)에서 상기 밸브(18)의 헤드(19)는 고온, 고압의 개스에 노출되어 적열화 되어지고 이때의 열은 밸브스템(17)과 가이드(16)를 통하여 실린더 블록(10)으로 전달되어진다.In the valve mechanism 11, the head 19 of the valve 18 is exposed to high temperature and high pressure gas to be reddened. At this time, the heat is transferred to the cylinder block 10 through the valve stem 17 and the guide 16. Is delivered.

특히, 배기밸브인 경우 열적부하를 많이 받게 되고 이 고온이 밸브(특히, 배기밸브)의 여러 가지 고장의 원인이 되기 때문에 실린더 블록(10)내의 냉각수 순환이나 나트륨 냉각밸브의 이용등으로 밸브(18)를 냉각시켜 왔으나 이는 오늘날 엔진의 고속화 추세로 그다지 큰 냉각효과를 기대하기가 어려웠다.Particularly, in the case of the exhaust valve, a large load is applied to the exhaust valve, and the high temperature causes various failures of the valve (especially the exhaust valve). ), But it is difficult to expect a great cooling effect due to the high speed of the engine today.

본 고안은 이와같은 점을 감안하여 안출한 것으로서, 밸브기구의 태핏에 오일압송부를 구성하여 캠의 작용력으로 유압이 형성되도록 하고, 밸브의 열이 전달되어지는 밸브스템의 내측으로는 오일 이송관과 오일회수관을 형성하여 상기 오일압송부로 부터의 오일이 오일이송관을 거쳐 오일회수관으로 순환하면서 밸브스템을 냉각시킴으로써, 밸브의 냉각작용이 보다 효과적으로 이루어질 수 있도록 한 냉각장치가 설치된 밸브기구를 제공하는데 그 목적이 있는 것이다.The present invention has been devised in view of such a point, and the oil pump is formed on the tappet of the valve mechanism so that the hydraulic pressure is formed by the action of the cam, and the oil conveying pipe and the inner side of the valve stem through which the heat of the valve is transmitted. By providing an oil return pipe to cool the valve stem while the oil from the oil return part circulates through the oil transport pipe to the oil return pipe, there is provided a valve mechanism with a cooling device for more effective cooling of the valve. The purpose is to.

이하, 첨부도면을 참고로 하여 본 고안을 상세히 설명하면 다음과 같다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

본 고안은 자동차 밸브장치의 밸브기구(11)에 있어서, 상기 밸브기구(11)의 태핏(13)에는 리드밸브(20')를 가지는 격판(20), 스프링(21)및 하우징(22)으로 구성된 오일압송부(23)가 형성되고, 태핏(13)과 연접되어 있는 밸브스템(17)의 내측으로 오일이송관(24)이 수직 형성되어지되 상기 오일압송부(23)에 연통되도록 형성되는 동시에 오일이송관(24)의 외주부를 따라 오일회수관(25)이 형성되어서 이루어진 것이다.The present invention is a valve mechanism (11) of the automobile valve device, the tappet (13) of the valve mechanism (11) with a diaphragm (20) having a reed valve (20 '), a spring (21) and a housing (22) The oil conveying unit 23 is formed, and the oil conveying tube 24 is vertically formed inside the valve stem 17 which is in contact with the tappet 13, but is formed to communicate with the oil conveying unit 23. At the same time, the oil return pipe 25 is formed along the outer circumference of the oil transfer pipe 24.

특히, 상기 오일압송부(23)의 작동은 캠(12)에 의한 태핏(13)의 작동과 일체로 이루어짐에 따라 오일압송을 위한 별도의 장치가 필요없게 된다.In particular, since the operation of the oil pressure unit 23 is made integral with the operation of the tappet 13 by the cam 12, there is no need for a separate device for oil pressure.

이를 좀더 상세히 설명하면, 제2도는 본 고안에 따른 냉각장치가 설치된 밸브기구의 구성도로서, 밸브기구(11)의 태핏(13)에는 오일압송부(23) 설치를 위한 안착요흠부(26)를 형성하여 이 안착요흠부(26)에 하우징(22), 스프링(21) 및 격판(20)으로 구성된 오일압송부(23)를 설치하되, 안착요흠부(26)의 저부에는 오일저장 및 스프링(21)의 일측이 지지되는 하우징(22)을 설치하는 동시에 상부에는 캠(12)의 작동에 의해 상하작동(상하이동)이 이루어지는 격판(20)을 설치하고, 격판(20)과 하우징(22)의 사이에는 스프링(21)을 내설하여 상기 격판(20)이 탄력지지를 받아 상하이동 자재되도록 하고, 이때 격판(20)의 작동에 의한 압출력으로 오일의 압송이 이루어지도록 한다.To explain this in more detail, FIG. 2 is a configuration diagram of a valve mechanism having a cooling apparatus according to the present invention, and a seating recess 26 for installing an oil pressure transmission unit 23 on the tappet 13 of the valve mechanism 11 is illustrated. To form a mounting recess 26, the oil feeding portion 23 consisting of the housing 22, the spring 21 and the diaphragm 20 is installed, the bottom of the mounting recess 26, the oil storage and spring While installing a housing 22 on which one side of the support 21 is supported, a diaphragm 20 is formed on the upper portion of which a vertical movement (up and down movement) is performed by the operation of the cam 12, and the diaphragm 20 and the housing 22 are provided. Between the inside of the spring (21) by the diaphragm 20 to receive the elastic support so that the shangdong material, at this time, the pressure of the oil is made by the extrusion force by the operation of the diaphragm (20).

또한, 상기 격판(20)에는 상기 하우징(22) 내측으로 오일을 공급하기 위한 역류방지 리드밸브(20')를 설치하되, 격판(20)의 일측(예컨대, 캠(12)의 작동범위에 간섭받지 않는 부위)에 개구부(31)를 형성하고, 이 개구부(31)의 저면에는 오일유입공(32)이 형성된 가이드(33)를 형성하며, 가이드(33)의 내측에는 개폐판(34)을 설치하여 이 개폐판(34)의 상하유동으로 상기 오일유입공(32)이 개폐되도록 설치한다.In addition, the diaphragm 20 is provided with a non-return reed valve 20 'for supplying oil into the housing 22, but interferes with one side of the diaphragm 20 (for example, an operating range of the cam 12). An opening 31 is formed in a portion not received), and a bottom surface of the opening 31 is formed with a guide 33 having an oil inlet hole 32 formed therein, and an opening and closing plate 34 is formed inside the guide 33. It is installed so that the oil inlet hole 32 is opened and closed by the vertical flow of the opening and closing plate 34.

여기서, 상기 안착요흠부(26)의 상단내주부에는 걸림홈(27)을 형성하여 상기 격판(20)의 외주단(28)을 이 걸림홈(27)에 결합시킴으로써 격판(20)의 상하작동을 제한할 수 있는 것이다.Here, up and down operation of the diaphragm 20 by engaging the outer peripheral end 28 of the diaphragm 20 to the engaging groove 27 by forming a locking groove 27 in the upper inner peripheral portion of the seating recess 26 This can be limited.

한편, 상기 태핏(13)과 연접 설치되어서 상호 연관작동을 이루는 밸브스템(17)에는 상기 오일압송부(23)로 부터의 오일이동을 위해 오일이송관(24)과 오일회수관(25)을 설치하는데, 밸브스템(17)의 내측으로 오일이송관(24)을 수직 설치하되, 상하단을 상기 오일압송부(23)의 하우징(22)과 밸브(18)의 후면부(29)에 각각 연통 및 접하도록 설치하고, 오일이송관(24)의 외주부위에는 또하나의 관을 설치하되 오일이송관(24)을 통과한 오일이 이 관을 거쳐서 엔진내부의 오일계통으로 회수되어지도록 하는 오일회수관(25)을 설치한다.On the other hand, the valve stem 17 is installed in connection with the tappet (13) to make an interrelated operation, the oil transfer pipe 24 and the oil recovery pipe 25 for the oil movement from the oil pressure delivery unit 23 The oil transfer pipe 24 is vertically installed inside the valve stem 17, and the upper and lower ends thereof communicate with the housing 22 of the oil pressure sending part 23 and the rear part 29 of the valve 18, respectively. It is installed so as to be in contact with each other, and another pipe is installed on the outer periphery of the oil transfer pipe (24), but the oil passing through the oil transfer pipe (24) is passed through this tube to recover the oil return pipe inside the engine system ( 25) Install.

이때, 상기 오일회수관(25)을 오일이송관(24)의 외주부를 따라 설치하되, 상기 밸브 스템(17)의 내측구간에만 설치하여 밸브 스템(17)의 상부에는 오일회수관(25)을 통하여 회수되어지는 오일이 밸브 스템(17)의 외측으로 유출되어질 수 있도록 유출구(30)를 형성하는 동시에 하부에서는 상기 오일이송관(24)을 통과한 오일이 밸브(18) 및 헤드(19)를 냉각 시킨 후 하단부에서 직접 연결된 오일회수관(25)으로 이어져 유동되어지도록 할 수 있는 것이다.At this time, the oil return pipe 25 is installed along the outer periphery of the oil transfer pipe 24, but only the inner section of the valve stem 17 is installed on the upper portion of the valve stem 17 oil recovery pipe 25 The outlet 30 is formed to allow oil to be recovered through the valve stem 17 to flow out of the valve stem 17, and at the bottom, the oil passing through the oil conveying pipe 24 passes through the valve 18 and the head 19. After cooling it will be able to flow to the oil recovery pipe 25 connected directly from the lower end.

상기와 같은 본 고안의 작용효과를 설명하면, 밸브기구(11)는 캠(12)의 구동(회전)으로 태핏(13)의 상,하운동이 이루어지고 이작동으로 밸브 스템(17) 및 밸브(18)의 작동이 이루어지는 것인데, 상기 캠(12)의 회전으로 이 캠(12)과 접촉 설치되어 있는 오일압송부(23)의 격판(20)이 눌려지고, 격판(20)은 스프링(21)을 압축하면서 하향 이동되는 동시에 하우징(22)내에 저장되어 있는 오일에 유압을 발생시키면 하우징(23)내의 오일은 오일이송관(24)을 따라 밸브 스템(17)의 내측을 통과하면서 밸브(18)으로부터 열전도가 이루어져 고온상태에 있는 밸브 스템(17)을 1차 냉각시킨다.Referring to the operation and effect of the present invention as described above, the valve mechanism 11 is the up and down movement of the tappet 13 is made by the drive (rotation) of the cam 12 and the valve stem 17 and the valve by this operation The operation of 18 is performed, and the diaphragm 20 of the oil conveying part 23 which is installed in contact with the cam 12 is pressed by the rotation of the cam 12, and the diaphragm 20 is a spring 21. ), While moving downward while compressing the hydraulic pressure to generate oil in the oil stored in the housing 22, the oil in the housing 23 passes through the inside of the valve stem 17 along the oil transfer pipe 24 and passes the valve 18. The heat conduction is generated from the valve 1) to first cool the valve stem 17 in a high temperature state.

이때, 상기 격판(20)이 하강하면 상기 오일압송부(23)의 압력변화에 의해 리드밸브(20')의 개폐판(34)은 상향이동되어 격판(20)의 개구부(31)를 차단하므로써 하우징(22)으로의 오일유입을 단속할 수 있으며 이와는 반대로 격판(20)이 상승하면 상기 개폐판(34)은 하향이동되어 오일을 하우징(22)으로 보충할 수 있는 것이다.At this time, when the diaphragm 20 is lowered, the opening and closing plate 34 of the reed valve 20 'is moved upward by the pressure change of the oil pressure feeding part 23, thereby blocking the opening 31 of the diaphragm 20. The oil inflow into the housing 22 may be interrupted. On the contrary, when the diaphragm 20 rises, the opening and closing plate 34 may move downward to replenish oil to the housing 22.

또한, 1차 냉각작용을 마친 오일은 오일회수관(25)을 거쳐 또한번 밸브 스템(17)의 내측을 통과하면서 밸브 스템(17)에 대한 2차 냉각작용을 행한 후 밸브 스템(17)의 상단부인 오일회수관(25)이 유출구(30)를 통하여 상기 오일압송부(23)의 하우징(22) 내부로 순환하므로 상기와 같은 작용이 반복적으로 이루어질 수 있는 것이다.In addition, the oil having completed the primary cooling action passes through the oil return pipe 25 and also passes through the inside of the valve stem 17 to perform the secondary cooling action on the valve stem 17, and then Since the upper end of the oil return pipe 25 circulates through the outlet port 30 into the housing 22 of the oil pressure sending unit 23, the above-described operation may be repeatedly performed.

상기 캠(12)에 의한 오일압송부(23)의 격판(20)작동시, 격판(20)의 하향이동과 일체로 태핏(13)의 작동이 이루어지는데 즉, 격판(20)이 이동을 시작하여 어느정도의 위치까지는 스프링(21)과 오일을 가압하여 오일을 압송시키고, 격판(20)의 외주선단(28)이 태핏(13)의 걸림홈(27) 하단에 저지되면 이때부터 태핏(13)이 작동하여 밸브(18)의 개폐가 이루어질 수 있는 것이다.During operation of the diaphragm 20 of the oil pressure sending unit 23 by the cam 12, the tappet 13 is operated integrally with the downward movement of the diaphragm 20, that is, the diaphragm 20 starts to move. To press the spring 21 and oil to a certain position to pressurize the oil, and when the outer circumferential end 28 of the diaphragm 20 is blocked at the lower end of the locking groove 27 of the tappet 13, the tappet 13 from this time This operation is to open and close the valve 18.

이상에서와 같이 본 고안은 태핏과 밸브스템에 오일압송부와 오일이송관 및 회수관을 설치하여 오일을 순환시킴으로써 밸브스템의 효과적인 냉각에 따른 밸브의 냉각효율을 향상하여 밸브기구의 기능향상과 수면연장의 장점을 갖는 것이다.As described above, the present invention improves the function of the valve mechanism and water surface by improving the cooling efficiency of the valve according to the effective cooling of the valve stem by installing the oil pumping part, the oil transfer pipe and the recovery pipe on the tappet and the valve stem. It has the advantage of extension.

Claims (2)

자동차 밸브장치의 밸브기구(11)에 있어서, 상기 밸브기구(11)의 태핏(13)에는 리브밸브(20')를 가지는 격판(20), 스프링(21) 및 하우징(22)으로 구성된 오일압송부(23)가 형성되고, 태핏(13)과 연접되어 있는 밸브 스템(17)의 내측으로는 오일이송관(24)이 수직 형성되어지되 상기 오일압송부(23)에 연통되도록 형성되는 동시에 오일이송관(24)의 외주부를 따라 오일회수관(25)이 형성되어서 이루어진 것을 특징으로 하는 냉각장치가 설치된 밸브기구.In the valve mechanism 11 of the automobile valve apparatus, the tappet 13 of the valve mechanism 11 is oil-feeding composed of a diaphragm 20 having a rib valve 20 ', a spring 21 and a housing 22. A portion 23 is formed, and the oil conveying pipe 24 is vertically formed inside the valve stem 17 which is in contact with the tappet 13, but is formed to communicate with the oil conveying part 23. A valve mechanism with a cooling device, characterized in that the oil return pipe (25) is formed along the outer circumference of the transfer pipe (24). 제1항에 있어서, 상기 오일압송부(23)의 작동은 캠(12)에 의한 태핏(13)의 작동과 일체로 이루어지는 것을 특징으로 하는 냉각장치가 설치된 밸브기구.2. The valve mechanism according to claim 1, wherein the operation of the oil pressure sending section (23) is integral with the operation of the tappet (13) by the cam (12).
KR92020945U 1992-10-29 1992-10-29 Valve apparatus having cooling equipment KR960008550Y1 (en)

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KR92020945U KR960008550Y1 (en) 1992-10-29 1992-10-29 Valve apparatus having cooling equipment

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KR92020945U KR960008550Y1 (en) 1992-10-29 1992-10-29 Valve apparatus having cooling equipment

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KR940010264U KR940010264U (en) 1994-05-23
KR960008550Y1 true KR960008550Y1 (en) 1996-10-04

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