KR20030072005A - Oil circulation structure of cylinder head for automobiles - Google Patents

Oil circulation structure of cylinder head for automobiles Download PDF

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Publication number
KR20030072005A
KR20030072005A KR1020020011523A KR20020011523A KR20030072005A KR 20030072005 A KR20030072005 A KR 20030072005A KR 1020020011523 A KR1020020011523 A KR 1020020011523A KR 20020011523 A KR20020011523 A KR 20020011523A KR 20030072005 A KR20030072005 A KR 20030072005A
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KR
South Korea
Prior art keywords
cylinder head
oil
shaft
rocker arm
cam shaft
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Application number
KR1020020011523A
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Korean (ko)
Inventor
오재욱
Original Assignee
지엠대우오토앤테크놀로지주식회사
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Priority to KR1020020011523A priority Critical patent/KR20030072005A/en
Publication of KR20030072005A publication Critical patent/KR20030072005A/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00Pressure lubrication
    • F01M1/06Lubricating systems characterised by the provision therein of crankshafts or connecting rods with lubricant passageways, e.g. bores
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00Pressure lubrication
    • F01M1/06Lubricating systems characterised by the provision therein of crankshafts or connecting rods with lubricant passageways, e.g. bores
    • F01M2001/064Camshaft with passageways
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02FCYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00Cylinders; Cylinder heads 
    • F02F1/24Cylinder heads

Abstract

PURPOSE: An oil circulating structure of a cylinder head for a vehicle is provided to simplify an oil lubricating structure of the cylinder head and to easily produce the cylinder head by directly moving oil to a cam shaft. CONSTITUTION: An axial slot(120) is installed in a cylinder head(100) to install a locker arm shaft(110). A loading portion(131) is installed to install a cam shaft. The axial slot and the loading portion are connected through a connecting passage(140). Oil to be moved to the locker arm shaft is directly moved toward the cam shaft through the connecting passage. Thereby, the efficient lubricating effect is obtained by improving the oil circulating structure. Moreover, the productivity of the cylinder head is improved by simplifying the composition of the cylinder head.

Description

자동차용 실린더헤드의 오일 순환구조{Oil circulation structure of cylinder head for automobiles}Oil circulation structure of cylinder head for automobiles

본 발명은 자동차용 실린더헤드의 오일 순환구조에 관한 것으로서, 더욱 상세히는 로커암샤프트로 이동된 오일 중 일부가 캠샤프트 및 그와 관련된 부품으로직접 이동될수 있도록 하므로서, 실린더헤드의 오일순환을 간단하면서 효과적으로 할 수 있도록 한 것이며, 아울러 실린더헤드의 제작 또한 용이하게 할 수 있도록 한 자동차용 실린더헤드의 오일 순환구조에 관한 것이다.The present invention relates to an oil circulation structure of a cylinder head for an automobile, and more particularly, to simplify the oil circulation of the cylinder head by allowing some of the oil moved to the rocker arm shaft to be directly moved to the cam shaft and its related parts. The present invention relates to an oil circulation structure of a cylinder head for an automobile that can be effectively made and also facilitates the manufacture of the cylinder head.

일반적으로 자동차는 많은 부품들로 구성되어 있으며, 이 부품들은 서로 기계적인 관계를 유지하면서 작동하기 때문에 각 부품의 원활한 작동과 마모 및 마찰열을 방지하기 위한 윤활장치가 함께 구비되어 있고, 이 윤활장치의 성능에 따라 각 부품의 작동성능과 수명이 좌우된다.In general, an automobile is composed of many parts, and since these parts operate in a mechanical relationship with each other, they are provided with a lubrication device for smooth operation of each part and to prevent wear and frictional heat. Performance determines the operational performance and life of each component.

이러한 자동차에 사용되는 오일은 엔진을 순환하는 오일과 트랜스미션을 윤활하는 오일 및 브레이크 오일과 동력 조향용 오일 등이 있으며, 각종 오일은 각기 오일 탱크에 저장되어 있다가 각각의 부품이 작동할 때 순환 공급되도록 구성되어 있다.The oils used in these automobiles include oils for circulating the engine, oils for lubricating transmissions, brake oils and power steering oils. It is configured to be.

여기서 상기한 엔진에 있어, 실린더헤드에는 오일이 이동되는 다수의 통로가 구비되어 있으며, 이중 도 1 에 예시한 바와 같이 실린더헤드(10)에는 로커암샤프트(20)가 설치되는 축공(11)으로 오일을 공급해주기 위한 오일통로(12)가 설치되어 있는데, 상기 오일통로(12)를 통해 상기 축공(11)으로 오일이 공급되면, 로커암샤프트(20)의 중공부(21)를 거쳐 로커암샤프트(20)에 형성된 다수의 구멍(22)을 통해 배출되면서 로커암샤프트(20)와 로커암(도면중 미도시) 및 그 외 각 연결부품으로 이동되어 윤활작용을 하게 되는 것이다.In the above-described engine, the cylinder head is provided with a plurality of passages through which oil moves, and as illustrated in FIG. 1, the cylinder head 10 has a shaft hole 11 in which a rocker arm shaft 20 is installed. An oil passage 12 is provided to supply oil. When oil is supplied to the shaft hole 11 through the oil passage 12, the rocker arm passes through the hollow portion 21 of the rocker arm shaft 20. As it is discharged through a plurality of holes 22 formed in the shaft 20, it is moved to the rocker arm shaft 20 and the rocker arm (not shown) and other connecting parts to be lubricated.

한편 상기 실린더헤드(10)에는 로커암샤프트(20)의 상측으로 캠샤프트(도면중 미도시)가 설치되는데, 이때 캠샤프트쪽의 윤활을 위하여 별도의 오일공급용 통로(도면중 미도시)를 구비하게 됨에 따라 오일순환구조가 복잡해지면서 실린더헤드 (10)의 구성 또한 복잡해지며, 특히 실린더헤드가 긴 경우에는 오일공급용 통로를 가늘고 길게 제작해야 하므로 실린더헤드의 제작성이 불량해지는 문제점이 있었다.On the other hand, the cylinder head 10 is installed on the upper side of the rocker arm shaft 20 camshaft (not shown in the figure), in which a separate oil supply passage (not shown in the figure) for lubrication of the cam shaft side As the oil circulation structure is complicated, the configuration of the cylinder head 10 is also complicated. In particular, when the cylinder head is long, the oil supply passage has to be made thin and long.

따라서 본 발명의 목적은 상기와 같은 문제점을 해결하기 위한 것으로서, 실린더헤드에 설치된 로커암샤프트로 이동된 오일이 캠샤프트쪽으로 직접 이동되어 캠샤프트와 그와 관련된 부품의 윤활을 도와줄수 있도록 하므로서, 실린더헤드의 오일 윤활구조를 단순화 시킬 수 있고 실린더헤드의 제작성 또한 용이해질 수 있도록 한 자동차용 실린더헤드의 오일 순환구조를 제공하는데 있다.Therefore, an object of the present invention is to solve the above problems, the oil moved to the rocker arm shaft installed in the cylinder head is moved directly to the cam shaft to help the lubrication of the cam shaft and related parts, the cylinder It is to provide an oil circulation structure of a cylinder head for an automobile that can simplify the oil lubrication structure of the head and facilitate the manufacture of the cylinder head.

이와 같은 본 발명의 목적은 로커암샤프트를 설치하기 위하여 실린더헤드에 형성되어 있는 축공과 캠샤프트가 설치되는 안착부를 연결통로로서 서로 관통시키므로서 달성되는 것이다.The object of the present invention as described above is achieved by penetrating each other as a connecting passage to the shaft hole formed in the cylinder head and the cam shaft is installed to install the rocker arm shaft.

이러한 본 발명은 캠샤프트 및 그 연결부품의 윤활을 위해 별도의 오일통로를 실린더헤드에 설치할 필요없이 로커암샤프트쪽의 오일이 캠샤프트로 직접 이동될 수 있도록 함에 따라 오일 순환구조를 향상에 의해 효과적인 윤활효과를 기대할 수 있는 것이며, 실린더헤드의 구성 또한 간단해져 실린더헤드의 제작성이 용이해질 수 있으므로 상기 목적을 달성할 수 있는 것이다.This invention is effective by improving the oil circulation structure by allowing oil on the rocker arm shaft to be moved directly to the cam shaft without the need to install a separate oil passage in the cylinder head for lubrication of the cam shaft and its connecting parts. The lubrication effect can be expected, and the configuration of the cylinder head can also be simplified, so that the manufacturing of the cylinder head can be easily achieved.

도 1 은 종래의 실린더헤드를 도시한 측단면도.1 is a side cross-sectional view showing a conventional cylinder head.

도 2 는 본 발명에 따른 실린더헤드를 예시한 분리 사시도.2 is an exploded perspective view illustrating a cylinder head according to the present invention;

도 3 은 본 발명에 따른 실린더헤드를 예시한 요부 측단면도.Figure 3 is a side sectional view of the main portion illustrating a cylinder head according to the present invention.

도 4 는 본 발명에 따른 실린더헤드를 예시한 요부 정단면도.4 is a main sectional front view illustrating the cylinder head according to the present invention;

도면의 주요 부분에 대한 부호의 설명Explanation of symbols for the main parts of the drawings

100 : 실린더헤드110 : 로커암샤프트100: cylinder head 110: rocker arm shaft

120 : 축공130 : 캠샤프트120: shaft ball 130: cam shaft

131 : 안착부140 : 연결통로131: seating portion 140: connecting passage

이하, 본 발명의 특징을 효과적으로 달성할 수 있는 바람직한 실시 예로서 그 기술구성 및 작용효과를 첨부된 도면에 의하여 상세히 설명하면 다음과 같다.Hereinafter, with reference to the accompanying drawings, the technical configuration and operational effects as a preferred embodiment that can effectively achieve the features of the present invention will be described.

즉, 도 2 은 본 발명에 따라 실린더블록과 로커암샤프트와 실린더헤드와 캠샤프트를 예시한 분리 사시도이며, 도 3 은 본 발명에 따른 실린더헤드의 측단면도이며, 도 4 는 본 발명에 따른 실린더헤드의 정단면도이다.That is, Figure 2 is an exploded perspective view illustrating a cylinder block, a rocker arm shaft, a cylinder head and a cam shaft according to the present invention, Figure 3 is a side cross-sectional view of the cylinder head according to the present invention, Figure 4 is a cylinder according to the present invention Front sectional view of the head.

이에 예시한 바와 같이 본 발명은 자동차 엔진의 실린더헤드에 설치되는 캠샤프트에 오일을 공급함에 있어서, 로커암샤프트(110)가 설치되는 실린더헤드(100)의 축공(120)과 캠샤프트(130)가 안착되는 안착부(131)를 서로 관통하는 오일용 연결통로(140)를 구성한 것을 특징으로 하는 것이다.As illustrated in the present invention, in supplying oil to a cam shaft installed in a cylinder head of an automobile engine, the shaft hole 120 and the cam shaft 130 of the cylinder head 100 in which the rocker arm shaft 110 is installed are provided. It is characterized in that the oil connection passage 140 penetrating each other through the seating portion 131 is seated.

도면중 미설명 부호(111)는 로커암샤프트(110)의 중공부이며, (112)은 로커암샤프트(110)의 구멍이고, (150)은 실린더블럭(200)으로부터 로커암샤프트(110)쪽으로 이동되는 오일통로이다.In the drawings, reference numeral 111 is a hollow portion of the rocker arm shaft 110, 112 is a hole of the rocker arm shaft 110, and 150 is a rocker arm shaft 110 from the cylinder block 200. The oil passage is moved to the side.

이러한 본 발명은 실린더블럭(200)을 통해 실린더헤드(100)의 로커암샤프트 (110)로 이동된 오일이 캠샤프트(130)의 안착부(131)로 이동되면서 캠샤프트(130)및 연결부품의 윤활작용을 도와줄 수 있도록 함에 따라 캠샤프트(130)와 베어링과 같은 연결부품의 윤활을 위해 별도의 오일통로를 구성할 필요없이 간단하고 효과적으로 캠샤프트(130) 및 연결부품의 윤활작용을 도와줄 수 있는 것이며, 아울러 실린더헤드(100)의 제작성 또한 용이해질 수 있는 것이다.In the present invention, the oil moved to the rocker arm shaft 110 of the cylinder head 100 through the cylinder block 200 is moved to the seating portion 131 of the cam shaft 130, the cam shaft 130 and the connecting parts It helps to lubricate the camshaft 130 and the connecting parts simply and effectively without the need to construct a separate oil passage for lubrication of the connecting parts such as the camshaft 130 and the bearing. In addition, it is also possible to facilitate the manufacture of the cylinder head 100.

즉, 도 2 및 도 3 을 통해 본 발명의 특징을 상세히 살펴보면 실린더헤드 (100)의 하부에는 실린더블(200)럭과 연결된 오일통로(150)가 구비되어 있으며, 상기 오일통로는 로커암샤프트(110)가 설치되는 실린더헤드(100)의 축공(120)과 연결되어 있으므로 실린더블럭(200)을 통해 오일통로(150)로 이동된 오일이 로커암샤프트(110)의 축공(120)으로 이동되는 것이며, 이때 상기 로커암샤프트(110)의 내부에는 중공부(111)가 형성되어 있고 표면에는 중공부(111)와 통하는 다수의 관통된 구멍(112)이 형성되어 있다.That is, looking at the features of the present invention in detail with reference to Figures 2 and 3 is provided in the lower portion of the cylinder head 100 is provided with an oil passage 150 connected to the cylinder 200, the oil passage is a rocker arm shaft ( Since the 110 is connected to the shaft hole 120 of the cylinder head 100 is installed, the oil moved to the oil passage 150 through the cylinder block 200 is moved to the shaft hole 120 of the rocker arm shaft 110 At this time, the hollow portion 111 is formed inside the rocker arm shaft 110 and a plurality of through holes 112 communicating with the hollow portion 111 are formed on the surface thereof.

따라서 로커암샤프트(110)의 축공(120)으로 이동된 오일은 일측 구멍(112)을 통해 로커암샤프트(110)의 중공부(111)로 이동된 후 다시 타측 구멍으로 이동되는 순환과정을 거치면서 로커암샤프트(110)에 설치된 로커암(113)을 비롯하여 연결부품의 윤활작용을 도와주게 되는 것이다.Therefore, the oil moved to the shaft hole 120 of the rocker arm shaft 110 is moved to the hollow portion 111 of the rocker arm shaft 110 through one hole 112 and then undergoes a circulation process of being moved to the other hole again. While helping rocker arm 113, including the rocker arm 113 installed on the rocker arm shaft 110 to help the lubrication of the connecting parts.

또한 로커암샤프트(110)가 설치되는 축공(120)의 상측으로는 캠샤프트(130)의 안착부(131)가 연결통로(140)로 연결되어 있으므로 로커암샤프트(110)의 축공 (120) 및 로커암샤프트(110)의 중공부(111)로 이동되었던 오일 중 일부는 연결통로 (140)를 거쳐 캠샤프트(130)의 안착부(131)로 이동됨에 따라 캠샤프트(130)의 윤활이나 캠샤프트(130)와 연결된 타부품의 윤활을 도와주게 되는 것이다.In addition, since the seating portion 131 of the cam shaft 130 is connected to the connection passage 140 on the upper side of the shaft hole 120 in which the rocker arm shaft 110 is installed, the shaft hole 120 of the rocker arm shaft 110 is formed. And some of the oil that has been moved to the hollow portion 111 of the rocker arm shaft 110 is moved to the seating portion 131 of the cam shaft 130 through the connection passage 140, so that the lubrication of the cam shaft 130 may be reduced. Help the lubrication of other parts connected to the cam shaft 130.

따라서 캠샤프트(130) 및 그 연결부품을 위한 별도의 오일통로를 실린더헤드 (110)에 설치할 필요없이 연결통로(140)의 구성에 의해 캠샤프트(130) 및 그 연결부품에 오일이 공급될 수 있으므로 오일 순환구조의 향상에 의해 효과적인 윤활효과를 기대할 수 있는 것이며, 실린더헤드(100)의 구성 또한 간단해져 실린더헤드 (110)의 제작성이 용이해질 수 있는 것이다.Therefore, the oil can be supplied to the camshaft 130 and its connecting parts by the configuration of the connecting passage 140 without the need to install a separate oil passage for the cam shaft 130 and its connecting parts to the cylinder head 110. Therefore, an effective lubrication effect can be expected by the improvement of the oil circulation structure, and the configuration of the cylinder head 100 is also simplified, so that the manufacturing of the cylinder head 110 can be facilitated.

이상에서 상술한 바와 같이 본 발명은 캠샤프트 및 그 연결부품의 윤활을 위하여 실린더헤드에 별도의 오일통로를 형성하지 않고, 로커암샤프트가 설치되는 축공과 캠이 안착되는 안착부를 서로 연결해주는 연결통로를 형성하여 로커암샤프트로 이동된 오일 중 일부가 안착부로 이동되어 캠샤프트 및 그 연결부품에 공급될 수 있도록 함에 따라 오일순환구조의 개선에 의한 윤활효과의 향상과 실린더헤드의 제작성을 용이하게 할 수 있는 것이다.As described above, the present invention does not form a separate oil passage in the cylinder head for lubrication of the cam shaft and its connecting parts, and a connecting passage connecting the shaft hole where the rocker arm shaft is installed and the seating portion where the cam is seated. As part of the oil moved to the rocker arm shaft is moved to the seating part to be supplied to the cam shaft and its connecting parts, the lubrication effect is improved and the manufacturability of the cylinder head is easily improved. You can do it.

Claims (1)

실린더헤드에 설치된 캠샤프트와 그 관련부품에 오일을 공급함에 있어서,In supplying oil to the camshaft and its related parts installed on the cylinder head, 로커암샤프트(110)가 설치되는 실린더헤드(100)의 축공(120)과 캠샤프트 (130)가 안착되는 안착부(131)를 서로 관통하는 오일 순환용 연결통로(140)를 형성하여 된 것을 특징으로 하는 자동차용 실린더헤드의 오일 순환구조.The oil circulation connection passage 140 is formed to pass through the shaft hole 120 of the cylinder head 100 and the cam shaft 130 on which the rocker arm shaft 110 is installed. An oil circulation structure of a cylinder head for an automobile.
KR1020020011523A 2002-03-05 2002-03-05 Oil circulation structure of cylinder head for automobiles KR20030072005A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59229014A (en) * 1983-06-08 1984-12-22 Nissan Motor Co Ltd Lubricating oil feeder of valve operating mechanism
JPH03286111A (en) * 1990-03-31 1991-12-17 Suzuki Motor Corp Valve system of four-cycle engine
KR950019235U (en) * 1993-12-31 1995-07-24 Camshaft Lubricator of Engine
KR19980050516A (en) * 1996-12-21 1998-09-15 김영귀 Rocker arm structure of car
KR20000014132U (en) * 1998-12-29 2000-07-25 추호석 Oil supply structure of rocker arm assembly

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59229014A (en) * 1983-06-08 1984-12-22 Nissan Motor Co Ltd Lubricating oil feeder of valve operating mechanism
JPH03286111A (en) * 1990-03-31 1991-12-17 Suzuki Motor Corp Valve system of four-cycle engine
KR950019235U (en) * 1993-12-31 1995-07-24 Camshaft Lubricator of Engine
KR19980050516A (en) * 1996-12-21 1998-09-15 김영귀 Rocker arm structure of car
KR20000014132U (en) * 1998-12-29 2000-07-25 추호석 Oil supply structure of rocker arm assembly

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