KR20210029484A - Pedal apparatus for electronic clutch - Google Patents

Abstract

In the present invention, the clutch pedal provides a positional restoring force and the operation force of the clutch pedal is adjusted to improve the operator's operation convenience, and the clutch is intercepted through forced manipulation of the clutch pedal according to various driving conditions, thereby ensuring driving stability. The pedal system for the system is introduced.

Description

Pedal device for electronic clutch system {PEDAL APPARATUS FOR ELECTRONIC CLUTCH}

The present invention relates to a pedal device for an electronic clutch system, which provides a positional restoring force of the clutch pedal, varies the operation force of the clutch pedal, and allows the clutch to be intermitted through forced manipulation of the clutch pedal according to various driving conditions. It relates to the device.

A typical manual transmission vehicle includes a clutch device, and the clutch device is installed between the flywheel and the input shaft of the transmission to perform a function of intercepting the engine power transmitted to the transmission as necessary.

When performing shifting, the driver first steps on the clutch pedal and disconnects the clutch device provided in the vehicle, then operates the shift lever to shift to the desired gear level, and releases the clutch pedal that was being stepped on. Accordingly, the shift is completed by reconnecting the clutch.

A hydraulic clutch system with a clutch master cylinder and a clutch release cylinder between the clutch pedal and the clutch device is generated by the spring force provided on the clutch pedal and the clutch master cylinder and the clutch release cylinder when the driver operates by stepping on the clutch pedal. The combined hydraulic pressure becomes the pedal effort (reaction force).

On the other hand, the electronic clutch system has the advantage of significantly reducing weight and cost compared to the hydraulic clutch system as it does not use a mechanical configuration that uses hydraulic pressure. , The pedal sensor provided in the clutch pedal detects the degree of stepping on the clutch pedal (rotation angle), and transmits the detected value as an electrical signal to the control unit (clutch controller, an electronic control device for operating the clutch), and the control unit pedal Controls the operation of actuators (devices that operate to regulate clutches, DC motors, etc.) by automatically calculating the optimal clutch operation time that is most suitable for the vehicle condition by receiving various signals such as sensor signals and engine speed, etc. It is a configuration that operates so that the clutch device is connected or disconnected by the operation of.

Therefore, compared to the hydraulic clutch system, the electronic clutch system does not use the clutch master cylinder and the clutch release cylinder that generate hydraulic pressure. Therefore, only the spring force provided in the clutch pedal is used when the driver steps on the clutch pedal to operate it. It acts as a final pedaling force (reaction force), and for this reason, when the driver operates the clutch pedal of the electronic clutch system, the operation is lighter compared to the hydraulic type, which has a disadvantage of feeling a sense of difference.

In addition, the clutch pedal has a limitation in that it is not possible to adjust the operating sensitivity of the clutch pedal as the operating force is determined by the spring force. In addition, in the case of the clutch pedal, there is a problem in that the clutch pedal cannot be used in a complex manner as it simply performs the clutch control function by the driver's operation.

The matters described as the background art are only for enhancing an understanding of the background of the present invention, and should not be taken as acknowledging that they correspond to the prior art already known to those of ordinary skill in the art.

KR 10-2006-0079685 A (2006.07.06.)

The present invention has been proposed to solve this problem, and in addition to providing the positional restoring force of the clutch pedal, the operation force of the clutch pedal is adjusted to improve the operator's operation convenience. It is an object of the present invention to provide a pedal device for a clutch system that allows the clutch to be intermitted to ensure driving stability.

A pedal device for a clutch system of a vehicle according to the present invention for achieving the above object comprises: a clutch pedal rotatably installed on a pedal member; An elastic body that elastically supports rotation of the clutch pedal for clutch control and generates an operating force as it is compressed when the clutch pedal is rotated; And a driving mechanism that is rotatably connected to the pedal member and the clutch pedal, and compresses the elastic body when driving and changes the operating force of the clutch pedal.

The drive mechanism is characterized by comprising an actuator rotatably installed in a pedal member, and a rod provided to be movable inside the actuator and rotatably connected to a clutch pedal, and drawn in when the actuator is driven.

The elastic body is characterized in that it is provided to elastically support the rod inside the actuator.

An installation space in which a rod and an elastic body are provided is formed inside the actuator, an elastic body is located above the installation space, and a rod is located below the elastic body.

The rod is connected to the clutch pedal with the upper part inserted into the actuator and the lower part passing through the through hole formed in the lower part of the actuator, and the lower part of the rod is fixed to the actuator to limit the withdrawal of the rod when the actuator is driven at its maximum. It is characterized in that it is installed.

The limiting member is made of a leaf spring capable of elastic deformation, and as the actuator is driven to the maximum, the rod is inserted into the actuator through a through hole when the actuator is pulled into the actuator to be caught in the lower portion of the actuator.

The width of the limiting member is characterized in that it is formed longer than the width of the through hole.

The lower portion of the rod is characterized in that a recessed portion is formed so as to provide a limiting member, a limiting member is disposed above the recessed portion, and a support portion extending from the lower side of the limiting member toward the limiting member is formed to gradually decrease in width.

The limiting member is characterized in that, as the actuator is driven to the maximum, the rod is engaged and fixed to the lower portion of the actuator when the rod is inserted into the actuator.

A locking groove is formed on the outer circumferential surface of the actuator, and the limiting member is extended toward the actuator to form a hook portion that is inserted into the locking groove when the rod is inserted into the actuator as the actuator is driven to the maximum.

The drive mechanism is driven by a control unit, and the control unit controls the drive mechanism to vary an operating force of the clutch pedal or to generate vibration in the clutch pedal.

The control unit receives collision information of the vehicle, and allows the driving mechanism to be driven to the maximum when the vehicle is in a collision situation.

The control unit is characterized in that the control unit receives a command signal according to the operation force of the clutch pedal and adjusts a driving amount of the driving mechanism according to the command signal to increase or decrease the operation force of the clutch pedal.

The control unit is characterized in that the control unit receives input whether the power of the clutch is cut off, and when the power of the clutch is cut off, controls a driving mechanism to generate vibration in the clutch pedal.

The control unit is characterized in that the control unit receives input on whether or not the brake is operated, and adjusts the driving amount of the driving mechanism according to the operation strength of the brake to change the operation force of the clutch pedal.

The clutch system pedal device having the structure as described above provides the positional restoring force of the clutch pedal, and the operation force of the clutch pedal is adjusted to improve the operator's operation convenience. The driving stability is secured by being intercepted.

1 is a view showing a pedal device for a clutch system according to an embodiment of the present invention.
2 to 3 are views showing the operating state of the pedal device for the clutch system shown in FIG.
4 to 6 are views for explaining a first embodiment of a limiting member according to an operation of a driving mechanism of the pedal device for a clutch system shown in FIG. 1;
7 to 8 are views for explaining a second embodiment of the limiting member according to the operation of the driving mechanism of the pedal device for the clutch system shown in FIG.

Hereinafter, a pedal device for a clutch system according to a preferred embodiment of the present invention will be described with reference to the accompanying drawings.

1 is a view showing a pedal device for a clutch system according to an embodiment of the present invention, Figures 2 to 3 are views showing the operating state of the clutch system pedal device shown in Figure 1, Figures 4 to 6 are A diagram for explaining a first embodiment of the limiting member according to the operation of the driving mechanism of the pedal device for the clutch system shown in FIG. 1, and FIGS. 7 to 8 are diagrams according to the operation of the driving mechanism of the pedal device for the clutch system shown in FIG. It is a view for explaining the second embodiment of the limiting member.

The pedal device for a clutch system according to the present invention includes a clutch pedal 20 rotatably installed on the pedal member 10, as shown in FIGS. 1 to 3; An elastic body 30 that elastically supports rotation of the clutch pedal 20 for clutch control and generates an operating force as it is compressed when the clutch pedal 20 rotates; And a driving mechanism 40 which is rotatably connected to the pedal member 10 and the clutch pedal 20 and compresses the elastic body 30 during operation and changes the operating force of the clutch pedal 20.

Here, the pedal member 10 may be fixed to the vehicle body panel (dash panel), the clutch pedal 20 is rotatably coupled through the hinge shaft H, and the pedal member 10 has a clutch pedal 20 ) May be provided with a pedal sensor (S) for detecting the rotation angle. In addition, the clutch pedal 20 may be provided with a sense of saving spring (C1), and the pedal member 10 is in contact with the sense of saving spring (C1), and a sense of saving (C2) having an inclined surface is provided. It is formed so that the operating force of the clutch pedal 20 is generated.

The present invention is to vary the operating force of the clutch pedal 20 through the elastic body 30 and the drive mechanism 40, the clutch pedal 20 is due to the elastic force due to the compression of the elastic body 30 when rotating for clutch control It is configured to generate an operating force, and the operating force of the clutch pedal 20 is varied by compressing the elastic body 30 according to whether or not the driving mechanism 40 is operated.

That is, when the clutch pedal 20 is operated while the driving mechanism 40 is not operated, an operating force is generated as the elastic force of the elastic body 30 is applied to the clutch pedal 20, and the driving mechanism 40 is operated. When the clutch pedal 20 is operated in the state, as the elastic body 30 is compressed by the driving mechanism 40, the operating force of the clutch pedal 20 is reduced.

In this way, the operating force of the clutch pedal 20 is adjusted according to whether or not the driving mechanism 40 is operated, thereby improving the operator's convenience in operating the clutch pedal 20.

Detailed description of the present invention described above, as shown in Figs. 2 and 4, the drive mechanism 40 is an actuator 41 rotatably installed on the pedal member 10, and the inside of the actuator 41 It is provided to be movable, is rotatably connected to the clutch pedal 20, and may be composed of a rod 42 that is drawn in when the actuator 41 is driven to compress the elastic body 30.

Here, the actuator 41 may be composed of a motor or a solenoid, and the rod 42 is drawn into the actuator 41 according to whether the actuator 41 is driven. In addition, the actuator 41 is positioned so as to face the operation direction of the clutch pedal 20 in the pedal member 10 so as to be rotatably installed, and the rod 42 is rotatably connected to the clutch pedal 20, so that the actuator Depending on whether or not the drive 41 is driven, the rod 42 is inserted so that the operating force of the clutch pedal 20 is varied.

Meanwhile, the elastic body 30 is provided to elastically support the rod 42 in the actuator 41. This elastic body 30 may be composed of a coil spring, and by providing an elastic force in the direction in which the rod 42 is withdrawn from the inside of the actuator 41, the clutch pedal 20 connected to the rod 42 can be operated with a feeling of operation. do.

That is, an installation space 41-1 in which the rod 42 and the elastic body 30 are provided is formed inside the actuator 41, and the elastic body 30 is positioned above the installation space 41-1, and the elastic body ( The rod 42 may be positioned below 30). Accordingly, as shown in FIG. 2, when the clutch pedal 20 is not rotated, the elastic body 30 is maintained in a tensioned state, and when the clutch pedal 20 is rotated, as shown in FIG. As the rod 42 is moved together with the 20 to pressurize the elastic body 30, a feeling of operation may be generated in the clutch pedal 20. At this time, when the actuator 41 of the drive mechanism 40 is driven, the elastic body 30 is compressed as the rod 42 is inserted, so that the operating force of the clutch pedal 20 is reduced.

Meanwhile, in the rod 42, the upper portion 42a is inserted into the actuator 41, and the lower portion 42b penetrates the through hole 41-2 formed in the lower portion 41a of the actuator 41, and the clutch pedal 20 ), the lower portion 42b of the rod 42 may be provided with a limiting member 43 that is fixed to the actuator 41 and restricts withdrawal of the rod 42 when the actuator 41 is maximally driven. .

In this way, the rod 42 receives an elastic force through the elastic body 30 while the upper portion 42a is inserted into the actuator 41, and the lower portion 42b receives the through hole 41-2 of the actuator 41. It is connected to the clutch pedal 20 by passing through. Due to this, the rod 42 may be drawn in or withdrawn from the actuator 41 while compressing the elastic body 30 when the clutch pedal 20 rotates.

In particular, the lower portion 42b of the rod 42 is provided with a limiting member 43 that is fixed to the actuator 41 when the actuator 41 is driven at its maximum, so as to limit the withdrawal of the rod 42. That is, the limiting member 43 is fixed to the actuator 41 so that the withdrawal of the rod 42 is limited when the rod 42 is inserted into the actuator 41 and is inserted at the maximum as the actuator 41 is driven to the maximum. By doing so, the clutch pedal 20 is prevented from returning to its original position by the elastic force of the elastic body 30.

Here, whether or not the actuator 41 is maximally driven may be determined by the control unit to be described below, and the limiting member 43 may be applied as various embodiments.

When an embodiment of the above-described limiting member 43 is described in detail, as shown in FIGS. 4 to 6, the limiting member 43 is made of a plate spring capable of elastically deforming, and the actuator 41 is driven to the maximum. Accordingly, the rod 42 may be inserted into the actuator 41 through the through hole 41-2 and caught on the lower portion 41a of the actuator 41 when the rod 42 is inserted into the actuator 41.

In this way, the limiting member 43 is composed of a leaf spring, and is not inserted into the actuator 41 except in a situation in which the actuator 41 is driven to the maximum, and the rod 42 is driven to the maximum. When is introduced into the inside of the actuator 41, it passes through the through hole 41-2 together with the rod 42 and is inserted into the actuator 41.

That is, the limiting member 43 is made to be elastically deformed, and in a situation where the actuator 41 is not driven to the maximum, the lower side of the actuator 41 according to the behavior of the rod 42 as the clutch pedal 20 is rotated. Is moved in. In this state, when the actuator 41 is driven at its maximum, it is in contact with the lower portion 41a of the actuator 41, and the through hole 41-2 is used to follow the lead of the rod 42 into the actuator 41. It is deformed so that it can pass through and enters into the actuator 41. Thereafter, as the limiting member 43 is restored to its original shape, the rod 42 is not pulled out together with the limiting member 43 by being caught by the lower part 41a of the actuator 41 inside the actuator 41 and fixing the position. . For this reason, the intermittent state of the clutch is maintained.

Here, the width of the limiting member 43 is formed longer than the width of the through hole 41-2, so that the rod 42 is driven into the inside of the actuator 41 as the actuator 41 is driven to the maximum. 43) must be deformed to pass through the through-hole 41-2, and after the limiting member 43 passes through the through-hole 41-2, the lower portion of the actuator 41 within the actuator 41 by restoring its shape ( It is possible to prevent the rod 42 from being pulled out by being caught in 41a).

In addition, as shown in Figure 4, the lower portion (42b) of the rod (42) is formed with a recessed portion (42-1) to be provided with a limiting member (43), the upper side of the recessed portion (42-1) The limiting member 43 is disposed thereon, and a support portion 42-2 extending from the lower side of the limiting member 43 toward the limiting member 43 to gradually decrease in width may be formed.

That is, in the recessed portion 42-1 formed in the lower portion 42b of the rod 42, the restriction member 43 is fixed in position by the support portion 42-2, and the support portion 42-2 is a restriction member ( The deformation of the limiting member 43 is induced by extending the width toward 43) to gradually decrease.

As a result, as shown in FIG. 5, when the rod 42 is inserted into the actuator 41 as the actuator 41 is driven to the maximum, the support portion 42-2 is formed through the through hole 41. As it is inserted into -2), the limiting member 43 is guided by the support part 42-2 to allow it to pass through the through hole 41-2.

In this way, when the limiting member 43 passes through the through hole 41-2 and is inserted into the actuator 41, the shape is restored and positioned together with the rod 42 as it is caught in the lower portion 41a of the actuator 41. Is fixed. In addition, the limiting member 43 may maintain an unfolded shape that does not pass through the through hole 41-2 as it is caught by the stepped portion T formed by the recessed portion 42-1.

Meanwhile, as another embodiment of the limiting member 43, as shown in FIGS. 7 to 8, the limiting member 43 moves the rod 42 into the inside of the actuator 41 as the actuator 41 is maximally driven. When retracted, it may be connected to and fixed to the lower portion 41a of the actuator 41.

In this way, the limiting member 43 may be configured in the form of a bracket that is coupled to the lower portion 42b of the rod 42, and is not fixed by the actuator 41 except for a situation in which the actuator 41 is driven to the maximum. , As the actuator 41 is driven to the maximum, when the rod 42 is completely inserted into the interior of the actuator 41, the rod 42 is engaged and fixed to the lower portion 41a of the actuator 41.

Specifically, a locking groove (41-3) is formed on the outer circumferential surface of the actuator (41), and the limit member (43) extends toward the actuator (41) so that the rod (42) is driven to the maximum. (41) A hook portion 43-1 inserted into the locking groove 41-3 may be formed when being inserted into the interior.

That is, the limiting member 43 is configured such that the position is fixed by being caught in the engaging groove 41-3 of the actuator 41 through the hook portion 43-1. For this reason, as shown in FIG. 7, in a situation in which the actuator 41 is not driven to the maximum, it is moved from the lower side of the actuator 41 according to the behavior of the rod 42 as the clutch pedal 20 is rotated, and FIG. 8 When the actuator 41 is driven to the maximum, as shown in FIG. 1, the hook portion 43-1 of the limiting member 43 is inserted into the engaging groove 41-3 formed in the actuator 41, and the limiting member ( 43) and the position of the rod 42 is fixed. Due to this, the intermittent state of the clutch can be maintained.

The above-described limiting member 43 may be applied in various embodiments, and the maximum driving of the actuator 41 is a situation in which the clutch is required to be regulated, and may be interlocked with the following control.

Control of the pedal device for a clutch system according to the present invention can be performed as follows.

That is, the actuator 41 of the drive mechanism 40 is driven by the control unit 50, and the control unit 50 controls the actuator 41 to change the operation force of the clutch pedal 20 or the clutch pedal 20 Vibration can be generated.

The control unit 50 according to an exemplary embodiment of the present invention includes an algorithm configured to control the operation of various components of a vehicle or a nonvolatile memory (not shown) configured to store data related to a software command for reproducing the algorithm, and It may be implemented through a processor (not shown) configured to perform an operation described below using data stored in the corresponding memory. Here, the memory and the processor may be implemented as individual chips. Alternatively, the memory and processor may be implemented as a single chip integrated with each other. The processor may take the form of one or more processors.

The control unit 50 controls the operation of the actuator 41 by receiving various signals such as a signal from the pedal sensor S and the engine speed, and automatically calculates the optimum clutch operation time most suitable for the vehicle condition, and controls the operation of the actuator 41. The clutch device is operated to be connected or disconnected by the operation of 41).

In detail, the control unit 50 may receive collision information of the vehicle and allow the driving mechanism 40 to be driven to the maximum when the vehicle crashes. To this end, the control unit 50 may collect information according to the driving situation, such as a laser sensor, a radar sensor, and an ultrasonic sensor, to check whether a collision has occurred, and before or when a vehicle collision occurs, the actuator 41 of the driving mechanism 40 ) To be driven to the maximum, thereby causing the clutch to be interrupted. This control unit 50 may be interlocked with Electronic Controlled Suspension (ECS).

That is, braking is performed by the control of ESC in the event of a vehicle collision, and the controller 50 allows the drive mechanism 40 to be driven to the maximum in the event of a vehicle collision, thereby intercepting the clutch, thereby reducing the braking distance as the power is cut off. To be secured. In addition, when power is cut off by the clutch interruption according to the operation of the drive mechanism 40 during sudden braking in a collision situation, braking by the engine brake is generated, thereby preventing the driver from being bounced forward due to inertia due to the sudden braking.

Meanwhile, the control unit 50 receives a command signal according to the operation force of the clutch pedal 20 and adjusts the driving amount of the driving mechanism 40 according to the command signal so that the operation force of the clutch pedal 20 is increased or decreased. I can.

Here, the command signal according to the operation force of the clutch pedal 20 may be transmitted by a separate switch operation, and the control unit 50 responds to a command signal to increase or decrease the operation force of the clutch pedal 20 through the switch operation. Accordingly, the driving amount of the driving mechanism 40 is adjusted.

That is, in the case of an elderly person or a female driver, the operation force of the clutch pedal 20 may be felt large. When a command reflecting the intention to reduce the operation force of the clutch pedal 20 is input, the control unit 50 is the clutch pedal 20 When the actuator 41 of the driving mechanism 40 is driven together, the operating force of the clutch pedal 20 can be reduced.

In this way, by adjusting the operating force of the clutch pedal 20 as desired by the driver, the operator's convenience of operating the clutch pedal 20 is improved.

On the other hand, the control unit 50 may receive input whether the power of the clutch is cut off, and when the power of the clutch is cut off, control the driving mechanism 40 to cause the clutch pedal 20 to vibrate.

According to the present invention, vibration may be generated in the clutch pedal 20 as the driving mechanism 40 is repeatedly driven and not driven. Using this, the control unit 50 controls the driving mechanism 40 to generate vibration in the clutch pedal 20 when the clutch pedal 20 is manipulated, and thus the power is cut off to the driver. I can tell you.

In addition, as the clutch pedal 20 returns to its original position, the power of the clutch is reconnected?瑛? Vibration may be generated even at the time, and a message may be transmitted to the driver through the clutch pedal 20 even in various situations such as an approach situation of a nearby vehicle or a failure situation of a vehicle.

On the other hand, the control unit 50 may receive input whether the brake is operated or not, and adjust the driving amount of the driving mechanism 40 according to the operation strength of the brake to change the operating force of the clutch pedal 20.

The control unit 50 may receive input of whether or not the brake is operated through the brake sensor, and may adjust the driving amount of the driving mechanism 40 according to the operation strength of the brake so that smooth braking is performed.

In detail, the control unit 50 allows the braking according to the operation of the ECS to be performed when braking in a low-speed driving condition, and drives the drive mechanism 40 when braking in a sudden braking or high-speed driving condition in a low-speed driving condition to induce slip of the clutch The braking force is increased accordingly.

If a risk of an accident such as sudden braking occurs in a high-speed driving condition, the driving mechanism 40 is driven to the maximum and the clutch is intercepted, so that the braking force according to the operation and the braking force according to the clutch intermittent are added to the brake to secure the braking force.

In this way, the control unit 50 controls the driving mechanism 40 according to various driving conditions to add a braking force according to the clutch intermittent or adjust the operation force of the clutch pedal 20, thereby ensuring driving stability and driving convenience.

The clutch system pedal device having the structure as described above provides the positional restoring force of the clutch pedal 20, and the operation force of the clutch pedal 20 is adjusted to improve the operator's operation convenience. Driving stability is ensured by allowing the clutch to be intermitted through the forcible operation of the pedal 20.

Although the present invention has been shown and described in connection with specific embodiments, it is in the art that the present invention can be variously improved and changed within the scope of the technical spirit of the present invention provided by the following claims. It will be obvious to those of ordinary skill.

10: pedal member 20: clutch pedal
30: elastic body 40: drive mechanism
41: actuator 41-1: installation space
41-2: through hole 41-3: locking groove
42: rod 42-1: depression
42-2: support portion 43: limiting member
43-1: hook part 50: control part

Claims (15)

A clutch pedal rotatably installed on the pedal member;
An elastic body that elastically supports rotation of the clutch pedal for clutch control and generates an operating force as it is compressed when the clutch pedal is rotated; And
A pedal device for a clutch system comprising: a driving mechanism that is rotatably connected to the pedal member and the clutch pedal and compresses the elastic body when driving and changes the operating force of the clutch pedal. The method according to claim 1,
The drive mechanism is a pedal device for a clutch system, characterized in that consisting of an actuator rotatably installed on a pedal member, and a rod provided to be movable inside the actuator and rotatably connected to the clutch pedal and drawn in when the actuator is driven. The method according to claim 2,
The pedal device for a clutch system, wherein the elastic body is provided to elastically support the rod in the actuator. The method of claim 3,
A pedal device for a clutch system, characterized in that an installation space in which a rod and an elastic body are provided is formed inside the actuator, an elastic body is located above the installation space, and a rod is located below the elastic body. The method of claim 3,
The rod is connected to the clutch pedal with the upper part inserted into the actuator and the lower part passing through a through hole formed in the lower part of the actuator,
A pedal device for a clutch system, characterized in that a limiting member is installed at a lower portion of the rod to limit the withdrawal of the rod by being fixed to the actuator during maximum driving of the actuator. The method of claim 5,
A pedal for a clutch system, characterized in that the limiting member is made of a leaf spring that can be elastically deformed, and is inserted into the actuator through a through hole when the rod is pulled into the inside of the actuator as the actuator is driven to the maximum and is caught under the actuator. Device. The method of claim 6,
A pedal device for a clutch system, characterized in that the width of the limiting member is formed longer than the width of the through hole. The method of claim 6,
Clutch system, characterized in that a recessed portion is formed in the lower portion of the rod to provide a limiting member, a limiting member is disposed on the upper side of the recessed portion, and a support portion extending from the lower side of the limiting member toward the limiting member is formed. Pedal device. The method of claim 5,
The limiting member is a pedal device for a clutch system, characterized in that when the rod is drawn into the inside of the actuator as the actuator is driven to the maximum, it is engaged and fixed to the lower portion of the actuator. The method of claim 9,
A locking groove is formed on the outer circumferential surface of the actuator,
The limiting member is extended toward the actuator, the pedal device for a clutch system, characterized in that the hook portion is inserted into the engaging groove when the rod is inserted into the actuator as the actuator is driven to the maximum. The method according to claim 1,
The drive mechanism is driven by the control unit,
The control unit controls the driving mechanism to vary the operating force of the clutch pedal or to generate vibration in the clutch pedal. The method of claim 11,
The control unit receives the collision information of the vehicle, and the pedal device for a clutch system, characterized in that the driving mechanism is driven to the maximum when the vehicle is in a collision situation. The method of claim 11,
The control unit receives a command signal according to the operation force of the clutch pedal, and adjusts the driving amount of the driving mechanism according to the command signal to increase or decrease the operation force of the clutch pedal. The method of claim 11,
The control unit receives the input of whether the power of the clutch is cut off, and when the power of the clutch is cut off, the control unit controls a driving mechanism to generate vibration in the clutch pedal. The method of claim 11,
The control unit receives input of whether or not the brake is operated, and adjusts the driving amount of the driving mechanism according to the operation strength of the brake to change the operation force of the clutch pedal.

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