KR20030006341A - an improving structure for return force of clutch pedal of vehicles - Google Patents

an improving structure for return force of clutch pedal of vehicles Download PDF

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Publication number
KR20030006341A
KR20030006341A KR1020010042054A KR20010042054A KR20030006341A KR 20030006341 A KR20030006341 A KR 20030006341A KR 1020010042054 A KR1020010042054 A KR 1020010042054A KR 20010042054 A KR20010042054 A KR 20010042054A KR 20030006341 A KR20030006341 A KR 20030006341A
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South Korea
Prior art keywords
pedal
clutch pedal
return spring
clutch
force
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KR1020010042054A
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Korean (ko)
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김덕기
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현대자동차주식회사
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Priority to KR1020010042054A priority Critical patent/KR20030006341A/en
Publication of KR20030006341A publication Critical patent/KR20030006341A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K23/00—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for
    • B60K23/02—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for main transmission clutches
    • 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
    • F16D65/00—Parts or details
    • F16D65/38—Slack adjusters
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
    • G05G1/30—Controlling members actuated by foot
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2400/00—Special features of vehicle units
    • B60Y2400/42—Clutches or brakes

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Arrangement And Mounting Of Devices That Control Transmission Of Motive Force (AREA)
  • Mechanical Control Devices (AREA)

Abstract

PURPOSE: Structure for improving the restorative force of a clutch pedal of a vehicle is provided to improve the operation feeling of the clutch pedal by offering the return force at the early stage of returning and maintaining the maximum pedal effort of the clutch pedal. CONSTITUTION: An auxiliary return spring(6) has a lower end(6b) fixed on a hinge shaft of a pedal arm(1) and an upper end(6a) fixed on a pedal member(2). The upper end moves in a guide hole(2a) of the pedal member. The guide hole is formed in the position between the point of the upper end of the auxiliary return spring while a clutch pedal is released and the point of the maximum pedal effort of the clutch pedal. Thus, the return force is supplied when a return spring(5) does not provides the return force.

Description

자동차의 클러치페달 복귀력 향상구조{an improving structure for return force of clutch pedal of vehicles}An improving structure for return force of clutch pedal of vehicles}

본 발명은 자동차의 클러치페달에 관한 것으로, 특히 클러치페달의 리턴 반력감을 개선키 위한 자동차의 클러치페달 복귀력 향상구조에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a clutch pedal of an automobile, and more particularly, to a structure for improving a clutch pedal return force of an automobile for improving the return reaction force of the clutch pedal.

일반적으로 수동변속기 탑재 차량에서는 엔진의 동력전달이 클러치를 통해 이루어지며, 이 클러치의 단속(斷續)조작은 운전석의 앞쪽에 설치된 클러치페달을 조작함으로써 이루어진다.In general, in a vehicle equipped with a manual transmission, power transmission of the engine is performed through a clutch, and an intermittent operation of the clutch is performed by operating a clutch pedal installed in front of a driver's seat.

상기 클러치페달은 도 1에 도시된 바와 같이, 페달아암(1)의 상단이 대쉬패널에 장착된 페달멤버(2)에 힌지고정되고, 역시 상기 대쉬패널의 외측에 장착된 마스터실린더(3)의 푸시로드(4)가 상기 페달아암(1)에 연결되는 구조로 설치된다.As shown in FIG. 1, the clutch pedal has a top end of the pedal arm 1 hinged to the pedal member 2 mounted on the dash panel, and is also mounted on the outside of the dash panel. Push rod 4 is installed in a structure that is connected to the pedal arm (1).

따라서, 운전자가 페달아암(1) 하단의 발판을 밟으면 페달아암(1)의 회동에 의하여 푸시로드(4)가 눌려짐으로써 마스터실린더(3)에서 유압이 발생하여 릴리스실린더에 전달되고, 이에 의해 릴리스실린더의 푸시로드가 릴리스포크를 밀어주어 클러치디스크와 압력판의 이격작용이 이루어지도록 되어 있다.Therefore, when the driver presses the foot plate at the lower end of the pedal arm 1, the push rod 4 is pressed by the rotation of the pedal arm 1, so that hydraulic pressure is generated in the master cylinder 3 and transmitted to the release cylinder. The push rod of the release cylinder pushes the release fork so that the clutch disc and the pressure plate are separated.

한편, 클러치페달의 원활한 복귀를 위하여 리턴스프링(5)이 설치되는바, 이 리턴스프링(5)의 양단은 상기 페달멤버(2)에 고정되고, 중앙부분은 페달아암(1)에 일체로 형성된 회동브라켓(1a)에 지지된다.On the other hand, the return spring (5) is provided for smooth return of the clutch pedal, both ends of the return spring (5) is fixed to the pedal member (2), the central portion formed integrally with the pedal arm (1) It is supported by the rotation bracket 1a.

상기 리턴스프링(5)은 도 2에 도시된 바와 같이, 작동중 턴오버포인트(turn over point)를 가지는 턴오버스프링(turn over spring)으로서, 작동중 상기 턴오버포인트를 지난 후에는 스프링의 반력방향이 전환되어 페달아암(1)을 당겨줌으로써 클러치페달을 밟을 때 힘이 덜 소모되도록 되어 있다.The return spring 5 is a turn over spring having a turn over point during operation, as shown in FIG. 2, and a reaction force of a spring after passing the turn over point during operation. The direction is switched so that the force is consumed less when the pedal pedal is pressed by pulling the pedal arm 1.

그런데, 상기와 같은 리턴스프링(5)은 턴오버현상에 의하여 클러치페달의 최대답력은 저감시켜 줄 수 있었으나, 클러치 분리 후에는 오히려 클러치페달의 복귀를 방해하는 힘으로 작용하게 됨으로써 클러치페달의 리턴반력감을 저하시키는 요인이 되었다.By the way, the return spring (5) as described above could reduce the maximum response of the clutch pedal due to the turnover phenomenon, but after the separation of the clutch acts as a force that hinders the return of the clutch pedal, the return reaction of the clutch pedal It became the factor which lowered sense.

상기와 같이 클러치페달의 리턴반력감이 저하될 경우 운전자의 조작에 대한 페달의 응답성이 떨어지므로 페달조작감이 좋지 못하다는 문제점이 있었다.When the return reaction feeling of the clutch pedal is reduced as described above, there is a problem that the pedal operation feeling is not good because the response of the pedal to the driver's operation falls.

이에 본 발명은 상기와 같은 문제점을 해결하기 위하여 안출된 것으로, 클러치페달의 최대답력은 증가시키지 않으면서도 클러치페달의 리턴 초기 반력을 증가시킬 수 있게 되어, 클러치페달의 조작감을 향상시킬 수 있도록 된 자동차의 클러치페달 복귀력 향상구조를 제공함에 그 목적이 있다.Accordingly, the present invention has been made to solve the above problems, it is possible to increase the initial response of the return of the clutch pedal without increasing the maximum response of the clutch pedal, it is possible to improve the operation of the clutch pedal Its purpose is to provide a clutch pedal return force improving structure.

도 1은 클러치페달의 복귀를 위한 종래구조가 적용된 클러치페달의 설치상태 측면도,1 is a side view of an installation state of a clutch pedal to which a conventional structure for returning a clutch pedal is applied;

도 2는 클러치페달 답력선도와 턴오버스프링의 반력선도,2 is a response diagram of the clutch pedal effort diagram and the turnover spring,

도 3은 본 발명에 따른 클러치페달 복귀력 향상구조가 적용된 클러치페달의 설치상태 요부확대도,3 is an enlarged view of an essential part of an installed state of a clutch pedal to which a clutch pedal return force improving structure according to the present invention is applied;

도 4는 도 3의 평단면도이다.4 is a plan sectional view of FIG.

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

1 : 페달아암,1a : 회동브라켓,1: Pedal Arm, 1a: Rotating Bracket,

1b : 힌지축,2 : 페달멤버,1b: hinge shaft, 2: pedal member,

2a : 가이드홀,3 : 마스터실린더,2a: guide hole, 3: master cylinder,

4 : 푸시로드,5 : 리턴스프링,4: push rod, 5: return spring,

6 : 보조리턴스프링,7 : 로울러.6: auxiliary return spring, 7: roller.

상기와 같은 목적을 달성하기 위한 본 발명은, 페달아암의 힌지축에 하단은 페달아암에 걸려지고 상단은 페달멤버에 고정되되, 이 상단은 상기 페달멤버에 형성된 가이드홀에서 이동될 수 있도록 되어 있으며, 상기 가이드홀은 보조리턴스프링이 클러치페달의 최대답력 발생시점 이후에 리턴반력을 발생시키도록 된 범위에 형성되는 구조로 이루어진다.The present invention for achieving the above object, the lower end is hinged to the pedal arm and the upper end is fixed to the pedal member, the upper end is to be moved in the guide hole formed in the pedal member The guide hole has a structure in which the auxiliary return spring is formed so as to generate a return reaction after the maximum response time of the clutch pedal is generated.

따라서, 상기 리턴스프링이 클러치페달의 리턴반력을 제공하지 못하는 리턴 초기에 상기 보조리턴스프링이 리턴반력을 제공할 수 있게 됨으로써 최대답력을 증가시키지 않으면서도 클러치페달의 리턴반력감을 향상시킬 수 있도록 된 것이다.Therefore, the auxiliary return spring can provide the return reaction in the early stage of return in which the return spring does not provide the return force of the clutch pedal, thereby improving the return reaction feeling of the clutch pedal without increasing the maximum response force. .

이하, 본 발명을 첨부된 예시도면을 참조하여 상세히 설명한다.Hereinafter, with reference to the accompanying drawings, the present invention will be described in detail.

도 3은 본 발명에 따른 클러치페달 복귀력 향상구조가 적용된 클러치페달의 설치상태 요부확대도이고, 도 4는 도 3의 평단면도로서, 본 발명은 페달아암(1)의 상단이 대쉬패널에 장착된 페달멤버(2)에 힌지고정되고, 역시 상기 대쉬패널의 외측에 장착된 마스터실린더(3)의 푸시로드(4)가 상기 페달아암(1)에 연결되는 한편, 양단은 상기 페달멤버(2)의 양측면에 고정되고 중앙부분은 페달아암(1)에 일체로 형성된 회동브라켓(1a)에 지지되는 리턴스프링(5)이 설치되는 구조로 이루어진 클러치페달에 있어서, 상기 페달아암(1)의 상단 힌지축(1b)에 보조리턴스프링(6)이 추가설치되는 구조로 이루어진다.3 is an enlarged view of an essential part of an installed state of a clutch pedal to which a clutch pedal return force improving structure according to the present invention is applied, and FIG. 4 is a plan sectional view of FIG. 3. The push rod 4 of the master cylinder 3, which is hinged to the pedal member 2, which is also mounted to the outside of the dash panel, is connected to the pedal arm 1, while both ends of the pedal member 2 are connected to the pedal arm 1. In the clutch pedal which is fixed to both sides of the center and the center portion is provided with a return spring (5) is supported on the rotating bracket (1a) integrally formed on the pedal arm (1), the upper end of the pedal arm (1) The auxiliary return spring 6 is additionally installed on the hinge shaft 1b.

상기 보조리턴스프링(6)의 상단(6a)은 페달멤버(2)의 한 측면부에 형성된 가이드홀(2a)에 끼워지고, 하단(6b)은 페달아암(1)의 측면에 걸려진다.The upper end 6a of the auxiliary return spring 6 is fitted into the guide hole 2a formed at one side of the pedal member 2, and the lower end 6b is caught by the side of the pedal arm 1.

상기 가이드홀(2a)은 클러치페달을 밟지 않은 초기상태일 때 보조리턴스프링(6)의 상단(6a)이 위치하는 지점부터 클러치페달을 밟아 최대답력이 발생하는 위치에서 상기 보조리턴스프링(6)의 상단(6a)이 위치하는 지점까지의 범위에서 상기 페달아암(1)의 회전중심축인 힌지축(1b)을 중심으로 하는 원호상에 형성된다.When the guide hole 2a is in an initial state without stepping on the clutch pedal, the auxiliary return spring 6 is positioned at the position where the maximum pedal force is generated by stepping on the clutch pedal from the point where the upper end 6a of the auxiliary return spring 6 is located. It is formed on an arc around the hinge axis (1b), which is the center of rotation of the pedal arm (1) in the range up to the point where the upper end (6a) of the position.

또한, 상기 보조리턴스프링(6)의 상단(6a)에는 로울러(7)가 구비되어 있어서, 상기 가이드홀(2a)의 내부에서의 이동이 자유롭도록 되어 있다.Moreover, the roller 7 is provided in the upper end 6a of the said auxiliary return spring 6, and the movement inside the guide hole 2a is made free.

이하, 본 발명의 작용 및 효과를 설명하기로 한다.Hereinafter, the operation and effects of the present invention will be described.

운전자가 발판을 밟아 페달아암(1)이 회전되면, 상기 리턴스프링(5)에 의한 반력이 발생하며, 이 반력은 이후 페달아암(1)이 원위치로 복귀할 때 복귀력으로작용하게 된다.When the pedal arm 1 is rotated by the driver stepping on the footrest, reaction force is generated by the return spring 5, and this reaction force acts as a return force when the pedal arm 1 returns to its original position.

또한, 상기 리턴스프링(5)은 턴오버스프링이므로 턴오버포인트를 지난후에는 반력의 방향이 전환되어 페달아암(1)을 당겨줌으로써 클러치페달의 최대답력을 저감시켜주게 된다.In addition, since the return spring 5 is a turnover spring, the direction of reaction force is changed after the turnover point is passed, thereby reducing the maximum response force of the clutch pedal by pulling the pedal arm 1.

한편, 클러치가 이격되는 최대답력발생 시점까지 상기 보조리턴스프링(6)에서는 하단(6b)이 페달아암(1)에 의해 밀려짐에도 불구하고 상단(6a)이 고정되어 있지 않고 가이드홀(2a)의 뒤쪽으로 이동하게 되므로 반력이 발생되지 않는다.On the other hand, even though the lower end 6b is pushed by the pedal arm 1, the upper end 6a is not fixed in the auxiliary return spring 6 until the maximum response time at which the clutch is spaced apart, and the guide hole 2a. The reaction force does not occur because it moves to the back of the.

따라서, 이 보조리턴스프링(6)에 의하여 클러치페달을 밟을 때의 최대답력은 증가하지 않으므로 조작에 필요한 힘은 증가하지 않는다.Therefore, since the maximum response force when stepping on the clutch pedal by this auxiliary return spring 6 does not increase, the force required for operation does not increase.

상기와 같은 상태에서 클러치가 이격되는 최대답력발생 시점 이후에는 보조리턴스프링(6)의 상단(6a)이 가이드홀(2a)의 단부에 걸려지므로 페달아암(1)이 회동함에 따라 보조리턴스프링(6)에서 페달아암(1)을 원위치시키려는 반력이 발생하게 된다.In the above state, since the upper end 6a of the auxiliary return spring 6 is caught by the end of the guide hole 2a after the maximum response time at which the clutch is spaced apart, the auxiliary return spring is rotated as the pedal arm 1 rotates. In 6), a reaction force is generated to return the pedal arm 1 to its original position.

따라서, 클러치페달을 밟고 있는 발에서 힘을 빼면서 클러치를 재접속시키고자 할때 상기 리턴스프링(5)이 다시 턴오버포인트를 지나 페달아암(1)을 복귀시키는 힘을 발생시키지 전까지 상기 보조리턴스프링(6)에서 발생된 스프링반력이 페달아암(1)의 리턴반력으로서 작용하게 되며, 이 힘에 의하여 클러치페달을 놓는 초기에 리턴 반력감이 향상된다.Therefore, when the clutch spring is to be reconnected while depressing the foot on the clutch pedal, the auxiliary return spring may not be generated until the return spring 5 again generates a force for returning the pedal arm 1 through the turnover point. The spring reaction force generated in 6) acts as a return reaction force of the pedal arm 1, and this force improves the return reaction force at the initial release of the clutch pedal.

따라서, 상기 리턴스프링(5)과 보조리턴스프링(6)의 상호작용에 의하여 최대답력을 감소시킬 수 있으면서도, 리턴스프링으로서 턴오버스프링을 적용하였을 경우 발생하는 문제점인 클러치페달 복귀시 초기 리턴반력감 저하문제가 해결됨으로써 클러치페달 조작의 전체과정에 있어서 항상 적당한 반력이 작용하게 되어 클러치페달의 조작감이 향상된다.Therefore, while the maximum response force can be reduced by the interaction of the return spring 5 and the auxiliary return spring 6, the initial return reaction feeling when the clutch pedal is returned, which is a problem that occurs when the turnover spring is applied as the return spring. As the degradation problem is solved, a proper reaction force is always applied in the entire process of the clutch pedal operation, thereby improving the operation feeling of the clutch pedal.

이상 설명한 바와 같이 본 발명에 따르면, 리턴스프링이 턴오버상태에 있어서 페달아암에 리턴반력을 가하지 못하고 있는 상태에서 리턴반력을 제공할 수 있는 보조리턴스프링이 구비됨으로써 클러치페달의 초기 리턴시에 반력감이 향상되어 클러치페달 조작감이 향상되는 효과가 있다.As described above, according to the present invention, the return spring is provided with an auxiliary return spring capable of providing a return reaction in a state in which the return arm is not applied to the pedal arm. This improves the clutch pedal operation feeling is improved.

또한, 상기 보조리턴스프링은 클러치페달을 밟는 상태에서는 최대답력발생시점까지 반력을 발생하지 않으므로 최대답력을 향상시키지 않는 장점이 있다.In addition, the auxiliary return spring has the advantage that does not improve the maximum response since the reaction force does not occur until the maximum response occurs when the clutch pedal is pressed.

Claims (4)

양단은 상기 페달멤버(2)의 양측면에 고정되고 중앙부분은 페달아암(1)에 일체로 형성된 회동브라켓(1a)에 지지되며 턴오버작용에 의해 최대답력을 저감시키는 리턴스프링(5)을 구비한 클러치페달에 있어서,Both ends are fixed to both sides of the pedal member 2 and the center portion is supported by the rotation bracket 1a integrally formed on the pedal arm 1, and has a return spring 5 for reducing the maximum response by a turnover action. In one clutch pedal, 상기 페달아암(1)의 상단 힌지축(1b)에 클러치가 이격되는 최대답력발생 시점 이후부터 반력을 발생하는 보조리턴스프링(6)이 설치되는 구조로 이루어진 자동차의 클러치페달 복귀력 향상구조.Clutch pedal return force improvement structure of the vehicle consisting of a structure in which the auxiliary return spring (6) for generating a reaction force after the maximum response occurs when the clutch is spaced apart from the upper hinge shaft (1b) of the pedal arm (1). 제 1항에 있어서, 상기 보조리턴스프링(6)의 상단(6a)은 페달멤버(1)에 형성된 가이드홀(2a)에 삽입되며, 하단(6b)은 페달아암(1)의 측면에 걸려지는 것을 특징으로 하는 자동차의 클러치페달 복귀력 향상구조.2. The upper end 6a of the auxiliary return spring 6 is inserted into the guide hole 2a formed in the pedal member 1, and the lower end 6b is caught by the side of the pedal arm 1. Clutch pedal return force improving structure of the vehicle, characterized in that. 제 2항에 있어서, 상기 가이드홀(2a)은 상기 보조리턴스프링(6)의 상단(6a)이 클러치페달을 밟지 않은 초기상태와 클러치페달을 밟아 최대답력이 발생하는 상태에서 각각 위치하는 지점을 양단으로 하는 범위에서 상기 페달아암(1)의 회전중심축인 힌지축(1b)을 중심으로 하는 원호상에 형성되는 것을 특징으로 하는 자동차의 클러치페달 복귀력 향상구조.The guide hole (2a) is located at an initial state where the upper end (6a) of the auxiliary return spring (6) does not step on the clutch pedal and the position where the maximum pedal force is generated by stepping on the clutch pedal respectively. A clutch pedal return force improving structure for an automobile, characterized in that formed on an arc centered on a hinge axis (1b), which is a center of rotation of the pedal arm (1), in a range of both ends. 제 2항에 있어서, 상기 보조리턴스프링(6)의 상단(6a)에는 로울러(7)가 구비되는 것을 특징으로 하는 자동차의 클러치페달 복귀력 향상구조.3. The clutch pedal return force improving structure of claim 2, wherein a roller (7) is provided at an upper end (6a) of the auxiliary return spring (6).
KR1020010042054A 2001-07-12 2001-07-12 an improving structure for return force of clutch pedal of vehicles KR20030006341A (en)

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