KR20040025389A - preventing vibration structure of clutch pedal for an automobile - Google Patents

Abstract

PURPOSE: Vibration-preventing structure of a clutch pedal for a vehicle is provided to improve riding comfort and reduce driver's fatigue by arranging a cable, connected to the clutch pedal, perpendicularly to a transmitting direction of vibration, operate a clutch with a small effort, and improve the operability of the clutch. CONSTITUTION: Vibration-preventing structure of a clutch pedal(120) for a vehicle comprises a pressing plate pressing a clutch disk(112) to transmit the rotational force of an engine to a transmission; a release fork(124) of which one side is connected to the pressing plate; a release cable(133) of which one end is connected to the end of the release fork and the other end is fixed to a side of the transmission; and a connecting member(135) of which one end is vertically connected to a clutch cable(122) and the other end is connected to the clutch pedal by the clutch cable. The connecting member pulls the release cable when pedal effort is given to the clutch pedal.

Description

Vibration suppression structure of clutch pedal for automobile

The present invention relates to an anti-vibration structure of a clutch for an automobile, and more particularly, the riding comfort is prevented by stepping on the clutch pedal for shifting the transmission or blocking transmission of vibration or noise due to the operation of the engine during idling of the transmission. The dustproof structure of the automobile clutch which improves and clutch operability improves.

In general, the clutch of the manual transmission is installed between the flywheel 10 and the input shaft 1 of the transmission, as shown in FIG. 1, to regulate the rotational force of the engine transmitted to the transmission, if necessary, and idle the engine. When shifting or shifting the gear of the transmission, it temporarily blocks the transmission of the engine's rotational force to the transmission.

The clutch is connected to a clutch pedal 20 to transmit a driver's pedal force with a clutch cable 22, and the clutch cable 22 is connected to one end and disposed in the clutch housing 16, so that the clutch cable 22 The release fork 24 which is pivotally arranged in accordance with the amount of movement of the < RTI ID = 0.0 >), < / RTI > And a release lever 28 having one end connected to the release bearing 26 and supported by the clutch cover 32 and connected to the other end of the release lever 28 to rotate the release fork 24. Therefore, the clutch disk 12 is configured to include a pressure plate 30 for crimping or spaced apart from the flywheel 10 to control the transmission of power.

In this clutch, the clutch cable 22 is pulled by the stepping force generated when the driver presses the clutch pedal 20, and the release fork 24 is pivoted by the pull of the clutch cable 22, so that the other side is a release bearing. Will be pushed. Therefore, the release bearing blocks the rotational force of the engine by removing the pressing force transmitted to the clutch disc 12 by separating the pressure plate 30 by the rotation of the release fork 24.

However, the clutch configured as described above is transmitted to the clutch pedal 20 by vibration or noise due to the operation of the engine when stepping on the clutch pedal 20 or the idling of the transmission to reduce the ride comfort as well as increase the fatigue of the driver. And the clutch operability is reduced, there is a problem for safe operation, the clutch pedal 20 dustproof structure of the following car has been developed.

2 is a configuration diagram of an embodiment of the clutch pedal dustproof structure of a vehicle according to the prior art, the clutch cable 52 is installed between the clutch pedal 50 and the release fork 54 to transmit the driver's effort A stopper 52a is formed at an end portion of the clutch cable 52 connected to the release fork 54, and a rubber pad 56 for damping vibration is installed between the stopper 52a and the release fork 54. do.

In addition, Figure 3 is a configuration diagram of another embodiment of the clutch pedal dustproof structure of the vehicle according to the prior art, one end is connected to the clutch pedal 70, the release fork 74 is penetrated and the other end is fixed to one side of the transmission The clutch cable 72 and a cable shell 73 arranged to surround the clutch cable 72 and connected to the release fork 74 to transmit the pedal force of the clutch pedal 70, wherein the clutch cable A stopper 72a is formed at the end of the 72, and a rubber pad 76 is installed between the stopper 72a and the transmission to develop a structure in which vibration or noise can be dampened. The vibration damping structure of the pedal has the same direction as the installation direction of the clutch cable and the transmission direction of vibration, so the vibration or noise transmitted in the longitudinal direction is not completely blocked, which is a fundamental problem. No determination was made.

The present invention has been made to solve the above-mentioned problems of the prior art, that the noise and vibration due to the transmission of the vibration generated during the contact and separation of the clutch plate during acceleration and deceleration driving of the engine is transmitted to the vehicle through the clutch cable. The cable connected to the clutch pedal so as to be cut off perpendicularly to the transmission direction of the vibration can improve the riding comfort, reduce the fatigue of the driver, operate the clutch with little force, and improve the operation of the clutch. To provide a clutch pedal dustproof structure of the purpose.

1 is a configuration diagram showing a typical automotive clutch,

2 is a configuration diagram of an embodiment in which the clutch pedal dustproof structure of a vehicle according to the prior art is shown;

3 is a configuration diagram of another embodiment in which the clutch pedal dustproof structure of a vehicle according to the prior art is shown;

4 is a block diagram showing the dustproof structure of the vehicle clutch pedal according to the present invention;

5 is an enlarged cross-sectional view of portion A of FIG. 4;

6 is an operation view shown the spaced apart clutch for the vehicle according to the invention,

7 is a cross-sectional view of another embodiment in which the main portion of the clutch pedal for automobiles according to the present invention is enlarged.

<Explanation of symbols on main parts of the drawings>

101: input shaft 112: clutch disc

116: clutch housing 119: protruding member

120: clutch pedal 122: clutch cable

124: release fork 126: release bearing

130: pressure plate 132: clutch cover

133: release cable 134: rubber pad

135: connecting member 137: rubber damper

140: roller

The dustproof structure of the automobile clutch pedal according to the present invention for solving the above problems is a pressure plate for compressing the clutch pad so that the rotational force of the engine is transmitted to the transmission, a release fork connected to one side of the pressure plate, and the end of the release fork One end is fixed to one end of the transmission and the other end is fixed to the release cable, one end is vertically connected to the release cable and the other end is connected to the clutch pedal by a clutch cable to remove the pressing force of the pressure plate when the stepping force on the clutch pedal It is configured to include a connecting member for pulling the release cable as possible.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

4 is a configuration diagram showing the dustproof structure of the vehicle clutch pedal 70 according to the present invention, Figure 5 is a cross-sectional view showing an enlarged portion A of FIG.

4 and 5, the dustproof structure of the vehicle clutch pedal according to the present invention is disposed inside the clutch housing 116 and rotatably disposed on the outer circumferential surface of the transmission input shaft 101 so that the rotational force of the engine is transmitted to the transmission. Pressure plate 130 for pressing the clutch disk 112 to be transmitted, one end of the pressure plate 130 is connected to one end of the release fork 124 rotatably installed on the clutch cover 132, the release fork 124 A release bearing 126 connected to the other end of the transmission shaft so as to be linearly movable on the input shaft 101 of the transmission, a release fork 124 connected to the release bearing 126 to be pivotally disposed, and the release fork ( One end is fixed to the end of the 124 and the other end is fixed to one side of the transmission 118, one end is vertically connected to the release cable 133, the other end is clutched to the clutch pedal 120 Is connected to the tooth cable 122 is configured to include a connecting member 135 for pulling the release cable 133 so that the pressing force of the pressure plate 130 is removed when the stepping force on the clutch pedal 120.

Here, one end of the release cable 133 is connected to the release fork 124 and the other end is fastened to one side of the transmission 118, for this purpose, one side of the transmission 118 is formed with a hook groove (protrusion member ( 119 is protruded so that the release cable 133 penetrates, and an end portion of the release cable 133 is formed with a first stopper 133a to prevent it from being pulled out.

In addition, a rubber pad 134 is installed between the protruding member 119 and the first stopper 133a to reduce vibrations transmitted through the release fork 124 when the engine is driven.

Meanwhile, as shown in FIG. 5, the connection member 135 has a hollow hole in which the clutch cable 122 penetrates so that one end of the clutch cable 122 may be coupled to an upper surface thereof. The second cable stopper 122a is formed at an end of the clutch cable 122 penetrating the cable hole 135a to prevent the cable from being pulled out.

In addition, the connection member 135 is a buffer member for cushioning the vibration is inserted between the connection member 135 and the second stopper (122a) so that the clutch cable 122 can be elastically connected.

In particular, in the present invention, the shock absorbing member is composed of a rubber damper 137, so that the vibration transmitted by the release cable 133 is buffered.

In addition, the connection member 135 includes a roller 140 rotatably installed at a lower end connected to the release cable 133, and the roller 140 during vibration generated horizontally in the release cable 133. Due to the rotation is made to block the vibration is transmitted to the connecting member 135.

Looking at the operation of the present invention configured as described above are as follows.

FIG. 6 is an operation diagram of the vehicle clutch spaced apart according to the present invention. When the driver steps on the clutch pedal 120 to shift gears or idle the engine during operation, the clutch pedal 120 rotates and the clutch Pulling the cable 122, thereby moving the connection member 135 connected to the end of the clutch cable 122.

At this time, the connecting member 135 is vertically connected to the release cable 133 connected between one side of the transmission 118 and the release fork 124, the release cable 133 according to the movement amount of the connecting member 135 ) Is pulled, which causes the release fork 124 to pivot and push the release bearing 126.

Accordingly, the release bearing 126 is linearly moved along the rotational axis of the transmission 118 and pushes the release lever. The release lever is supported on one side of the clutch cover 132 to seesaw and press the pressure plate 130 to the clutch disc. Spacing 112 to block the transmission of the engine's rotational force.

On the other hand, the spaced clutch as described above is transmitted to the release bearing 126, the noise and vibration due to the transmission of the vibration generated when the clutch plate contact and detachment during the acceleration and deceleration driving of the engine, to the release bearing 126 The transmitted vibration is transmitted to the release cable 133 through the release fork 124 to cause vibration in the longitudinal direction, and the vibration is not transmitted to the connection member 135 vertically connected to the release cable 133. .

Moreover, even if the release cable 133 is moved by the vibration transmitted to the release cable 133, the roller 140 installed at the lower end of the connection member 135 is rotated to absorb the vibration.

As described above, the dustproof structure of the clutch pedal for automobiles according to the present invention has been described with reference to the illustrated drawings. However, the present invention is not limited by the embodiments and drawings disclosed herein, and the skilled person within the technical scope of the present invention. Of course, various modifications can be made, including materials.

For example, FIG. 7 is a cross-sectional view of another embodiment in which the main portion of the clutch pedal for a vehicle according to the present invention is shown in an enlarged scale, wherein the same reference numerals as in the above-described drawing indicate the same members.

According to another exemplary embodiment of the anti-vibration structure of the automobile clutch pedal, the connecting member 155 may be clutched so that one end of the clutch cable 152 may be coupled to the upper surface of the coupling member 155 as shown in FIG. 7. A cable hole 155a through which the cable 152 penetrates is formed, and a second stopper 152a is formed at an end of the clutch cable 152 so that the clutch cable 152 does not fall out of the cable hole 155a. On the other hand, between the connecting member 155 and the second stopper 152a may be arranged a spring 157 to damp the vibration so that the clutch cable 152 is elastically connected.

The dustproof structure of the vehicle clutch pedal according to the present invention configured as described above has one end connected to the clutch cable vertically and the other end connected to the clutch pedal with a clutch cable, so that the clutch member pulls the release cable when a stepping force occurs in the clutch pedal. It is configured to include, the noise and vibration by the transmission of vibration generated when the clutch plate contact and detachment during the acceleration and deceleration driving of the engine is blocked, so that the riding comfort can be improved, the driver's fatigue can be reduced, the clutch operability This improvement, as well as the noise is reduced has the advantage of quiet and safe driving.

In addition, since the connecting member is always vertically connected to the release cable by a roller installed at the bottom, there is an advantage that the clutch can be operated with a small force.

Claims (5)

A pressure plate for compressing the clutch disc so that the rotational force of the engine is transmitted to the transmission; A release fork having one side connected to the pressure plate, A release cable having one end fixed to an end of the release fork and the other end fixed to one side of the transmission, One end is vertically connected to the clutch cable and the other end is connected to the clutch pedal with a clutch cable comprising a connecting member for pulling the release cable when the stepping force occurs in the clutch pedal. The method of claim 1, The connecting member is a dustproof structure of a vehicle clutch pedal characterized in that it further comprises a roller rotatably installed on one end of the connection. The method of claim 1, The connecting member is a dustproof structure of a vehicle clutch pedal characterized in that it further comprises a shock absorbing member installed to cushion the vibration in the other end of the connection. The method of claim 3, The shock absorbing member is a dustproof structure of a clutch pedal for a vehicle, characterized in that the rubber damper. The method of claim 3, The shock absorbing member is a dustproof structure of a clutch pedal for a vehicle, characterized in that the spring.