KR20020047986A - Lubrication structure of clutch - Google Patents

Lubrication structure of clutch Download PDF

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Publication number
KR20020047986A
KR20020047986A KR1020000077228A KR20000077228A KR20020047986A KR 20020047986 A KR20020047986 A KR 20020047986A KR 1020000077228 A KR1020000077228 A KR 1020000077228A KR 20000077228 A KR20000077228 A KR 20000077228A KR 20020047986 A KR20020047986 A KR 20020047986A
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KR
South Korea
Prior art keywords
clutch
lubricating oil
input shaft
lubricant
storage groove
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KR1020000077228A
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Korean (ko)
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KR100379630B1 (en
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서진범
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이계안
현대자동차주식회사
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Priority to KR10-2000-0077228A priority Critical patent/KR100379630B1/en
Publication of KR20020047986A publication Critical patent/KR20020047986A/en
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Publication of KR100379630B1 publication Critical patent/KR100379630B1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D13/00—Friction clutches
    • F16D13/58—Details
    • F16D13/74—Features relating to lubrication
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D13/00—Friction clutches
    • F16D13/58—Details
    • F16D13/583—Diaphragm-springs, e.g. Belleville
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D13/00—Friction clutches
    • F16D13/58—Details
    • F16D13/70—Pressure members, e.g. pressure plates, for clutch-plates or lamellae; Guiding arrangements for pressure members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
    • F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Operated Clutches (AREA)

Abstract

PURPOSE: Lubricating structure of a clutch for a vehicle is provided to increase power transmission efficiency by lubricating a spline between a clutch disk and an input shaft continuously, and to improve shift quality and extend replacement cycle of the clutch by enhancing endurance of the clutch disk. CONSTITUTION: A clutch of a vehicle is composed of a clutch disk(6) frictionized with a flywheel(2), and spline-connected to an input shaft(4) of a manual transmission; a pressure plate(8) contacting to the flywheel by pressing the clutch disk; a diaphragm spring(10) having elastic force for pressurizing the pressure plate; a release bearing(12) pushing the diaphragm spring with moving linearly according to operation of the clutch pedal; and a lubricant supply part supplying lubricant to a spline connection part(16) between the input shaft and the clutch disk. A lubricant storage groove(20) is formed in the lubricant supply part to store lubricant, and plural supply ports(22) are formed around the lubricant storage groove. Lubricant is supplied from the lubricant storage groove through supply ports to the spine connection part. Noise is reduced, and the life span of the clutch is extended with preventing wear.

Description

차량용 클러치 윤활구조 { Lubrication structure of clutch }Lubrication structure of clutch

본 발명은 차량용 클러치 윤활구조에 관한 것으로서, 보다 상세하게는 클러치 디스크와 입력축 사이 스플라인 연결부의 윤활구조를 개선하여 기어 변속성을 향상시키고 클러치의 내구성을 향상시킬 수 있는 차량용 클러치 윤활구조에 관한 것이다.The present invention relates to a clutch lubrication structure for a vehicle, and more particularly, to a clutch lubrication structure for a vehicle that can improve gear shifting performance and improve durability of a clutch by improving a lubrication structure of a spline connection portion between a clutch disk and an input shaft.

일반적으로 차량의 내연 기관은 부하를 건 상태에서 시동할 수가 없다. 또한 변속기의 기어 변환시에도 무부하로 할 필요가 있으며, 발진시에는 엔진의 동력을 서서히 구동바퀴에 전달해야 하는 등의 일을 할 수 있는 장치가 필요하다.In general, an internal combustion engine in a vehicle cannot start with a load applied. In addition, it is necessary to make no load when shifting the gear of the transmission, and a device capable of performing tasks such as transmitting power of the engine to the driving wheel gradually when starting the engine is required.

이러한 필요에 의해 클러치가 사용되는데, 클러치는 엔진의 플라이 휘일과 변속기의 입력축 사이에 설치되어 차량의 시동시나, 변속기의 기어 변환시에 엔진의 동력을 구동 바퀴에 대하여 임의로 단속하는 역할을 한다.The clutch is used by this need, and the clutch is installed between the flywheel of the engine and the input shaft of the transmission to arbitrately control the power of the engine with respect to the driving wheels when the vehicle is started or when the gear is shifted.

도 1은 종래 기술에 따른 수동변속기용 클러치의 단면도이다.1 is a cross-sectional view of a clutch for a manual transmission according to the prior art.

종래의 클러치는 엔진의 크랭크 샤프트와 연결되어 같이 회전되는 플라이 휠(102)의 측면에 위치되고 수동변속기의 입력축(104)과 스플라인 연결되는 클러치 디스크(106)와, 이 클러치 디스크(106)를 가압하여 플라이 휠(102)의 측면에 밀착시키는 압력판(108)과, 이 압력판(108)에 가압력을 부여하는 일정 탄성력을 갖는 다이어프램 스프링(110)과, 클러치 패달의 답력에 따라 다이어프램 스프링(110)을 밀어주는 릴리이스 베어링(112) 등으로 구성된다.The conventional clutch is located on the side of the flywheel 102 which is connected with the crankshaft of the engine and rotated together, and the clutch disc 106 which is splined with the input shaft 104 of the manual transmission, and pressurizes the clutch disc 106. The diaphragm spring 110 having a constant elastic force for applying a pressing force to the pressure plate 108, the diaphragm spring 110 according to the pedal pedal force of the clutch pedal. And a release bearing 112 for pushing.

여기에서, 상기 입력축(102)의 끝부분 외주면에 클러치 디스크(106)의 내주면이 스플라인 연결되어 클러치 디스크(106)의 회전력이 입력축(102)으로 전달된다.Here, the inner circumferential surface of the clutch disk 106 is splined to the outer peripheral surface of the end portion of the input shaft 102 so that the rotational force of the clutch disk 106 is transmitted to the input shaft 102.

이러한 클러치는 클러치 패달을 밟으면 유압에 의해 릴리이스 포크(116)가 직선 이동되면서 다이어프램 스프링(110)을 밀어 압력판(108)과 클러치 디스크(106) 사이를 분리하여 동력을 차단하고, 클러치 패달을 놓으면 다이어프램 스프링(110)의 탄성력에 의해 플라이 휠(102)과 클러치 디스크(106)가 마찰되어 클러치 디스크(106)가 회전되고, 클러치 디스크(106)와 스플라인(120) 결합된 입력축(104)으로 동력이 전달된다.When the clutch presses the clutch pedal, the release fork 116 is linearly moved by hydraulic pressure, and the diaphragm spring 110 is pushed to separate the pressure plate 108 and the clutch disc 106 to cut off power, and the clutch pedal is released. The flywheel 102 and the clutch disc 106 are rubbed by the elastic force of the diaphragm spring 110, so that the clutch disc 106 rotates, and is driven by the input shaft 104 coupled with the clutch disc 106 and the spline 120. Is passed.

그러나, 상기한 바와 같은 종래의 클러치는 클러치 디스크와 입력축 사이의 스플라인 연결부에는 초기 도포된 그리이스에 의한 윤활이 이루어지기 때문에 시간이 경과함에 따라 윤활성능이 저하되어 스플라인 연결부에 마찰로 인한 마모가 발생되고 클러치의 내구성이 저하되는 문제점이 있다.However, in the conventional clutch as described above, since the spline connection between the clutch disc and the input shaft is lubricated by the initially applied grease, the lubrication performance is deteriorated with time, and wear due to friction occurs at the spline connection. There is a problem that the durability of the clutch is reduced.

본 발명은 상기한 문제점을 해결하기 위하여 창출된 것으로서, 본 발명의 목적은 클러치 디스크와 입력축 사이의 스플라인에 지속적으로 윤활이 이루어지도록 하여 윤활 성능을 향상시켜 동력전달 효율을 향상시키고 클러치 디스크의 내구성을 향상시켜 클러치 교환주기를 연장할 수 있고 기어 변속성을 향상시킬 수 있는 차량용 클러치 윤활구조를 제공하는 데 있다.The present invention has been made to solve the above problems, an object of the present invention is to continuously lubricate the spline between the clutch disk and the input shaft to improve the lubrication performance to improve the power transmission efficiency and durability of the clutch disk It is to provide a clutch lubrication structure for a vehicle that can be improved by extending the clutch replacement cycle and improving gear shifting.

도 1은 종래 기술에 따른 클러치 윤활구조를 나타낸 단면도이고,1 is a cross-sectional view showing a clutch lubrication structure according to the prior art,

도 2는 본 발명에 따른 클러치 윤활구조를 나타낸 단면도이다.2 is a cross-sectional view showing a clutch lubrication structure according to the present invention.

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

2 : 플라이 휠 4 : 입력축2: flywheel 4: input shaft

6 : 클러치 디스크 16 : 스플라인 연결부6: clutch disc 16: spline connection

20 : 윤활유 공급홈 22 : 공급구20: Lube oil supply groove 22: Supply port

24 : 실링 캡24: sealing cap

상기한 과제를 실현하기 위한 본 발명에 따른 차량용 클러치 윤활구조는 플라이 휠과 마찰되고 수동변속기의 입력축 상에 스플라인 연결되는 클러치 디스크와, 상기 클러치 디스크를 가압하여 플라이 휠에 밀착시키는 압력판과, 상기 압력판에 가압력을 부여하도록 일정 탄성력을 갖는 다이어프램 스프링을 포함하여 구성되는 클러치에 있어서, 상기 입력축에는 클러치 디스크와 입력축 사이의 스플라인연결부에 윤활유를 공급하는 윤활유 공급부가 형성되어짐을 특징으로 한다.A clutch lubrication structure for a vehicle according to the present invention for realizing the above object includes a clutch disk friction with a fly wheel and splined on an input shaft of a manual transmission, a pressure plate for pressing the clutch disk to be in close contact with the fly wheel, and the pressure plate. A clutch comprising a diaphragm spring having a predetermined elastic force to impart a pressing force to the clutch, wherein the input shaft is provided with a lubricating oil supply unit for supplying lubricating oil to a spline connecting portion between the clutch disk and the input shaft.

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

도 2는 본 발명에 따른 차량용 클러치 윤활구조를 나타낸 단면도이다.2 is a cross-sectional view showing a clutch lubrication structure for a vehicle according to the present invention.

본 발명의 클러치는 엔진의 크랭크 샤프트(미도시)와 연결되어 같이 회전되는 플라이 휠(2)과 마찰되고 수동변속기의 입력축(4) 상에 연결되어 클러치 디스크(6)와, 이 클러치 디스크(6)를 가압하여 플라이 휠(2)에 밀착시키는 압력판(8)과, 이 압력판(8)에 가압력을 부여하도록 일정 탄성력을 갖는 다이어프램 스프링(10)과, 클러치 패달의 조작에 따라 직선 이동되면서 다이어프램 스프링(10)을 밀어주는 릴리이스 베어링(12) 등으로 구성되고, 상기 입력축(4)과 클러치 디스크(6) 사이의 스플라인 연결부(16)에 윤활유를 공급하는 윤활유 공급부가 형성된다.The clutch of the present invention is connected to the crankshaft (not shown) of the engine, friction with the flywheel 2 which is rotated together, and connected to the input shaft 4 of the manual transmission, the clutch disc 6 and the clutch disc 6 Pressure plate 8 which presses) to be in close contact with the fly wheel 2, the diaphragm spring 10 having a constant elastic force to apply a pressing force to the pressure plate 8, and the diaphragm spring while being linearly moved according to the operation of the clutch pedal. And a lubricating oil supply portion for supplying lubricating oil to the spline connecting portion 16 between the input shaft 4 and the clutch disk 6, which is composed of a release bearing 12 for pushing the 10 and the like.

상기 윤활유 공급부는 입력축(4)의 끝부분에서 내측방향으로 일정량의 윤활유가 충진되는 윤활유 저장홈(20)이 형성되고, 상기 윤활유 저장홈(20)의 둘레방향으로 상기 스플라인 연결부(16)까지 관통되는 다수개의 공급구(22)가 형성되어, 윤활유 저장홈(20)에 저장된 윤활유가 공급구(22)를 통해 스플라인 연결부로 공급되도록 이루어진다.The lubricating oil supply part is formed with a lubricating oil storage groove 20 in which a predetermined amount of lubricating oil is filled inward from the end of the input shaft 4, and passes through the spline connecting portion 16 in the circumferential direction of the lubricating oil storage groove 20. A plurality of supply ports 22 are formed, so that the lubricating oil stored in the lubricating oil storage groove 20 is supplied to the spline connection through the supply opening 22.

그리고, 상기 윤활유 저장홈(20)의 전방측에는 입력축 회전시 윤활유 저장홈(20)에 충진된 윤활유가 외부로 누출되는 것을 방지하는 실링 캡(24)이 장착된다.In addition, a sealing cap 24 is mounted on the front side of the lubricating oil storage groove 20 to prevent leakage of lubricating oil filled in the lubricating oil storage groove 20 when the input shaft rotates.

상기 실링 캡(24)은 입력축(4)의 개방된 전방측에 형성된 끼움홈(26)에 실링가능하게 끼움 결합되는 외측 둘레방향으로 일정 폭만큼 돌출된 원판 형태로 형성된다.The sealing cap 24 is formed in the shape of a disc protruding by a predetermined width in the outer circumferential direction to be sealably fitted to the fitting groove 26 formed on the open front side of the input shaft (4).

상기에서, 윤활유는 윤활유 저장홈(20)에 충진된 상태로 스플라인 연결부의 윤활작용이 용이한 그리스(grease)로 형성되어짐이 바람직하다.In the above, the lubricating oil is preferably formed of grease (grease) easy to lubricate the spline connection in the state filled in the lubricating oil storage groove (20).

이와 같이 이루어진 본 발명에 따른 차량용 클러치의 작용을 다음에서 설명한다The operation of the vehicle clutch according to the present invention thus made will be described below.

클러치 패달을 밟으면 릴리이스 베어링(12)이 직선 이동되면서 다이어프램 스프링(10)을 밀어주고, 이 미는 힘에 의해 압력판(8)이 이동되어 클러치 디스크(6)와 플라이 휠(2) 사이가 떨어지면서 동력 차단작용이 이루어진다.When the clutch pedal is pressed, the release bearing 12 moves linearly and pushes the diaphragm spring 10. The pressure plate 8 is moved by the pushing force, and the clutch disc 6 and the flywheel 2 fall apart. Power shutoff is achieved.

그리고, 클러치 패달을 놓으면 다이어프램 스프링(10)의 압력에 의해 클러치 디스크(6)와 플라이 휠(2) 사이의 마찰력에 의해 클러치 디스크(6)가 회전되고, 클러치 디스크(6)와 스플라인 연결부(16)에 의해 연결된 입력축(4)으로 전달된다.When the clutch pedal is released, the clutch disc 6 is rotated by the friction force between the clutch disc 6 and the flywheel 2 by the pressure of the diaphragm spring 10, and the clutch disc 6 and the spline connecting portion 16 are rotated. It is transmitted to the input shaft 4 connected by).

이때, 입력축의 윤활유 저장홈(20)에 저장된 윤활유가 공급구(22)를 통해 스플라인 연결부(16)로 공급되어 윤활 작용을 수행한다.At this time, the lubricating oil stored in the lubricating oil storage groove 20 of the input shaft is supplied to the spline connecting portion 16 through the supply port 22 to perform a lubricating action.

따라서, 상기와 같이 구성되고 작용되는 본 발명에 따른 차량용 클러치 윤활구조는 입력축에 윤활유가 저장되는 윤활유 저장홈을 형성하고, 클러치 디스크와 입력축 사이의 스플라인 연결부와 윤활유 저장홈 사이에 공급구를 형성하여 윤활유 저장홈에서 저장된 윤활유가 스플라인 연결부로 공급될 수 있도록 함으로써, 동력전달 계통의 소음을 저감시키고 마모를 방지하여 클러치의 수명을 연장할 수 있으며, 동력 전달효율을 향상시킬 수 있는 이점이 있다.Therefore, the clutch lubrication structure for a vehicle according to the present invention constructed and operated as described above forms a lubricating oil storage groove for storing lubricating oil in the input shaft, and forms a supply port between the spline connection portion and the lubricating oil storage groove between the clutch disk and the input shaft. By allowing the lubricating oil stored in the lubricating oil storage groove to be supplied to the spline connection, the noise of the power transmission system can be reduced and the abrasion can be prevented to extend the life of the clutch, and the power transmission efficiency can be improved.

Claims (4)

플라이 휠과 마찰되고 수동변속기의 입력축 상에 스플라인 연결되는 클러치 디스크와, 상기 클러치 디스크를 가압하여 플라이 휠에 밀착시키는 압력판과, 상기 압력판에 가압력을 부여하도록 일정 탄성력을 갖는 다이어프램 스프링을 포함하여 구성되는 클러치에 있어서,A clutch disk friction with the fly wheel and splined on the input shaft of the manual transmission, a pressure plate pressurizing the clutch disk to be in close contact with the fly wheel, and a diaphragm spring having a predetermined elastic force to impart a pressing force to the pressure plate. In the clutch, 상기 입력축에는 클러치 디스크와 입력축 사이의 스플라인 연결부에 윤활유를 공급하는 윤활유 공급부가 형성되어짐을 특징으로 하는 차량용 클러치 윤활구조.And a lubricating oil supply unit for supplying lubricating oil to a spline connection portion between the clutch disk and the input shaft. 제 1 항에 있어서,The method of claim 1, 상기 윤활유 공급부는 상기 입력축의 끝부분에서 내측방향으로 일정량의 윤활유가 충진되는 윤활유 저장홈이 형성되고, 상기 윤활유 저장홈의 둘레방향으로 상기 스플라인 연결부까지 관통되는 다수개의 공급구가 형성되어, 윤활유 저장홈에 저장된 윤활유가 공급구를 통해 스플라인 연결부로 공급되도록 이루어짐을 특징으로 하는 차량용 클러치 윤활구조.The lubricating oil supply part is formed with a lubricating oil storage groove in which a predetermined amount of lubricating oil is filled inward from the end of the input shaft, and a plurality of supply holes are formed to penetrate to the spline connection part in the circumferential direction of the lubricating oil storage groove, thereby storing the lubricating oil. Clutch lubrication structure for a vehicle, characterized in that the lubricating oil stored in the groove is supplied to the spline connection through the supply port. 제 1 항 또는 제 2 항에 있어서,The method according to claim 1 or 2, 상기 입력축에 형성된 윤활유 저장홈의 전방측에는 상기 입력축 회전시 윤활유 저장홈에 충진된 윤활유가 외부로 누출되는 것을 방지하는 실링 캡이 장착되어짐을 특징으로 하는 차량용 클러치 윤활구조.Clutch lubrication structure for a vehicle, characterized in that the front side of the lubricating oil storage groove formed in the input shaft is mounted with a sealing cap to prevent the lubricating oil filled in the lubricating oil storage groove when the input shaft is rotated to the outside. 제 1 항 내지 제 3 항에 있어서,The method of claim 1, wherein 상기 윤활유는 그리스(grease)로 형성되어짐을 특징으로 하는 차량용 클러치 윤활구조.The lubricating oil for a vehicle, characterized in that the lubricant is formed of grease (grease).
KR10-2000-0077228A 2000-12-15 2000-12-15 Lubrication structure of clutch KR100379630B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012091426A2 (en) 2010-12-28 2012-07-05 주식회사 포스코 Nanoplatelet-type zirconium phosphate and method for preparing same
KR20200034186A (en) 2018-09-21 2020-03-31 현대트랜시스 주식회사 Lubrication structure of clutch pack

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Publication number Priority date Publication date Assignee Title
KR101889849B1 (en) * 2016-10-21 2018-08-21 현대삼호중공업 주식회사 Apparatus for transfering a ship

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012091426A2 (en) 2010-12-28 2012-07-05 주식회사 포스코 Nanoplatelet-type zirconium phosphate and method for preparing same
KR20200034186A (en) 2018-09-21 2020-03-31 현대트랜시스 주식회사 Lubrication structure of clutch pack

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