JPH09301010A - Operating pedal position adjusting device for car - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a device capable of adjusting the positions of operating pedals of a car. SOLUTION: A movable frame 20 is slidably mounted along parallel bars 12a, 12b supported by frames 11a, 11b fixed to a car body, one end of each of levers 31a, 32a, 33a is rotatably mounted to the frame 20, and on the other ends of the levers 31a, 32a, 33a, a clutch pedal 31, a brake pedal 32, an accelerator pedal 33 are provided respectively. A clutch master cylinder 41 and a brake master cylinder 42 are mounted to the movable frame 20 so that they can opertate by depressing the pedals 31, 32. The cylinders 41, 42 and a piping plate fixed to the car body are connected by a flexible tube having the length capable of following the movement of the movable frame 20. A flexible wire 43 for opening and closing a throttle valve are connected to the accelerator pedal 33, and the wire 43 is also designed to be able to follow the movement of the movable frame 20.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for adjusting the positions of a brake pedal, an accelerator pedal and a clutch pedal of an automobile.

[0002]

2. Description of the Related Art A conventional operation pedal has a fixed position, and a method of moving a driver's seat back and forth is adopted in order to adjust the position to an easy-to-operate position according to the length of a body, especially a leg. However, when the position of the seat is changed, the distance between the dashboard and the body is changed, and various inconveniences are caused even if the seat is too close to or far from the dashboard.

[0003]

SUMMARY OF THE INVENTION An object of the present invention is to make the position of an operating pedal adjustable.

[0004]

In order to solve the above-mentioned problems, a position adjusting device of the present invention comprises a movable frame mounted movably in the front-back direction of a vehicle body, a clutch pedal at one end,
A clutch lever having a brake pedal and an accelerator pedal, the other end of which is rotatably attached to the movable frame,
A brake lever, an accelerator lever, and a clutch master cylinder and a brake master cylinder that are attached to the movable frame and that are actuated by the rotation of the clutch lever and the brake lever, and that are connected to the accelerator lever and are towed by the rotation of the accelerator lever. A flexible wire for opening and closing the throttle valve, and a flexible tube connecting the piping plate fixed to the vehicle body and the respective master cylinders, and having a sufficient length to allow the flexible wire and flexible tube to follow the movement of the movable frame. I did.

In an automobile having an automatic clutch system, the clutch lever and the clutch master cylinder can be omitted.

Further, a screw shaft extending in the moving direction of the movable frame can be screw-engaged with a nut fixed to the movable frame, and the movable frame can be moved by rotating the screw shaft.

[0007]

Embodiments of the present invention will be described below with reference to the accompanying drawings.

As shown in FIGS. 1 and 2, parallel bars 12a and 12b are supported by fixed frames 11a and 11b (fixed to a vehicle body (not shown)). Pipes 21a and 21b provided at the lower end of the U-shaped movable frame 20 are slidably fitted, and the frame 20 is movable back and forth along the bars 12a and 12b.

The front and rear pipes 21a and 21b are provided with support plates 2
Both ends of 2 are fixed, and the nut member 23 is attached to the support plate 22.
Is stuck. The nut member 23 has a screw shaft 2
4 is screw-engaged, and the outer end of the screw shaft 24 is attached to the fixed frame 11a so as to be rotatable and fixed in the axial direction. The frame 20 is adapted to move back and forth.

The means for rotating the screw shaft 24 may be a motor, such as an electric motor, or may be manually operated. FIG.
Attaches a worm wheel and a worm gear 26 via a universal joint 25, connects a flexible shaft 27 to the worm gear, and
7 shows a method of driving 7 by a motor (not shown).

The method of moving the movable frame 20 is not limited to the above. The rack may be fixed to the movable frame, the pinion may be engaged with the rack, and the movable frame may be moved by the rotation of the pinion. In addition, a cylinder or an electromagnetic solenoid with a long stroke can be used, but each of them requires a stop mechanism for holding the movable frame at a fixed position.

A shaft 28 is fixed to the upper portion of the movable frame 20, and one end of levers 31a, 32a, 33a of a clutch pedal 31, a brake pedal 32, and an accelerator pedal 33 is rotatably supported by the shaft 28. ing.

As shown in FIG. 3, the connecting fork 3 is located below the shaft 28, which is the pivot of the lever 31a.
1b is rotatably attached by a pin 31c, and a piston rod 41a of a clutch master cylinder 41 is connected to the other end of the connecting fork 31b. Therefore, when the clutch pedal 31 is stepped on, the cylinder 41 performs the pressurizing operation. In FIG. 3, reference numeral 41b is an oil reservoir attached to the cylinder 41. The cylinder 41 is fixed to the movable frame 20.

Similarly to the lever 31a of the clutch pedal 31, a connecting fork 32b is rotatably attached to the lever 32a of the brake pedal 32, and the fork 32b is connected to the piston rod 42a of the brake master cylinder 42. When the brake pedal 32 is depressed, the cylinder 42 is activated to increase the hydraulic pressure. In FIG. 1, reference numeral 42 b is an oil reservoir attached to the cylinder 42.

As shown in FIG. 4, the accelerator pedal 3
3 is adjacent to the lever 33a of FIG.
4 is rotatably attached to the shaft 28, the lower end of this arm 34 is connected to the lever 33a by a pin 35, and the connecting fork 33b is rotatably connected to the upper end of the arm 34 by a pin 33c. One end of the flexible wire 43 is connected to the connecting fork 33b. The other end of the wire 43 is connected to an operating arm of a throttle valve (not shown). Therefore, when the accelerator pedal 33 is depressed, the inverted L-shaped arm 34 rotates in the direction of the arrow in FIG. 4 and pulls the wire 43 via the connecting fork 33b, so that the throttle valve is opened. In addition, in FIG. 4, reference numeral 43 a is a flexible tube through which the wire 43 is passed, and one end thereof is fixed to the frame 20. Of course, the wire 43 has a sufficient length to operate the throttle valve regardless of the movement of the movable frame 20. Further, in the case of FIG. 4, the operating arm 34 is separate from the lever 33a, but it may be integrated.

Next, the piping of the cylinders 41 and 42 will be described. As shown in FIG. 5, a piping plate 50 is fixed to the vehicle body adjacent to the movable frame 20. The piping plate 50 and the side surface of the movable frame 20 are connected by flexible tubes 51, 52 and 53. This tube 5
1, 52 and 53 are provided with a margin of a length sufficient to follow the forward and backward movement of the movable frame 20.

The output port of the clutch master cylinder 42 fixed to the movable frame 20 and the piping plate 50 are
It is connected by a flexible tube 54. The tube 54 also has a margin of a length that can follow the movement of the movable frame 20.

The two output ports of the brake master cylinder 42 fixed to the movable frame 20 are piped to the side surfaces of the movable frame 20 by copper pipes 42c and 42d, respectively, which communicate with the flexible tubes 51 and 52. . The last output port of the master cylinder 42 is piped to the side surface of the movable frame 20 by a copper pipe 42e via a proportional pressure reducing valve 44, and the pipe 42e communicates with a flexible tube 53. These tubes 5
1, 52 supply the brake pressure to the front wheels, and the tube 53
Is designed to supply brake pressure to the rear wheels. FIG. 6 shows an example of piping. In the figure, reference numerals 60L and 60
R is a brake caliper or a wheel cylinder for the left and right front wheels, respectively, and reference symbols 61L and 61R are brake calipers or a wheel cylinder for the left and right rear wheels, respectively. The front wheel has two systems, and the rear wheel has one system. One wheel may be used for both wheels. In that case, the pipe 42c or 42d
Either, and either tube 51 or 52 can be omitted. Further, it is possible to arrange solenoid valves in the middle of the piping and control these solenoid valves by the hydraulic control device.

The proportional pressure reducing valve 44 does not necessarily have to be attached to the movable frame 20, and may be arranged in the middle of piping to the rear wheel. Further, the proportional pressure reducing valve 44 may be omitted.

A copper pipe is usually used as the hydraulic pipe from the pipe plate 50, but of course the material is not limited.

FIG. 7 shows the relationship between the clutch master cylinder 41 and the clutch 70. As shown, the hydraulic pressure generated in the cylinder 41 actuates the cylinder 72 connected to the release fork 71.

Next, in the case of the automatic clutch system, the clutch pedal 31 becomes unnecessary. FIG. 8 shows an example in which the clutch pedal is omitted. In the figure, the same parts as those in FIG. 1 are designated by the same reference numerals.

[0023]

According to the present invention, as described above, the movable frame movable in the front-rear direction of the vehicle body is provided, and the lever having the clutch pedal, the brake pedal, and the accelerator pedal is attached to the frame, and the clutch pedal and the brake are further provided. A master cylinder that operates by stepping on the pedal is attached, and the master cylinder and a piping plate fixed to the vehicle body are connected by a flexible tube of a length sufficient to follow the movement of the movable frame, and the lever of the accelerator pedal is connected. Since a flexible wire that opens and closes the throttle valve is connected to, even if the movable frame is moved to adjust the position of the operation pedal, the operation of the operation pedal is transmitted to each device without any obstacle by the flexible tube and flexible wire. Therefore, you can drive the car without any problems. No need to change the distance between the dashboard, can be carried out operating in a comfortable position.

[Brief description of drawings]

FIG. 1 is a plan view showing an example of a position adjusting device of the present invention.

FIG. 2 is a perspective view of the above.

FIG. 3 is a vertical sectional view showing a clutch pedal portion.

FIG. 4 is a vertical sectional view showing an accelerator pedal portion.

FIG. 5 is a schematic plan view showing a piping state between a movable frame and a piping plate.

FIG. 6 is a schematic diagram showing a relationship between a brake master cylinder and calipers and the like.

FIG. 7 is a schematic diagram showing a relationship between a clutch master cylinder and a clutch.

FIG. 8 is a plan view showing another example of the position adjusting device.

[Explanation of symbols]

 11a, 11b Fixed frame 12a, 12b Bar 20 Movable frame 21a, 21b Pipe 22 Support plate 23 Nut member 24 Screw shaft 28 Shaft 31 Clutch pedal 32 Brake pedal 33 Accelerator pedal 31a, 32a, 33a Lever 31b, 32b, 33b Connection fork 33c Pin 34 Operation arm 35 Pin 41 Clutch master cylinder 41a Piston rod 41b Reservoir 42 Brake master cylinder 42a Piston rod 42b Reservoir 42c, 42d, 42e Copper pipe 43 Flexible wire 43a Flexible tube 50 Piping plate 51, 52, 53, 54 Flexible tube 60L , 60R Front wheel caliper or wheel cylinder 61L, 61R Rear wheel caliper or wheel cylinder 70 Clutch 7 Release fork 72 cylinder

Claims (3)

[Claims] 1. A movable frame mounted movably in the front-rear direction of a vehicle body, and a clutch lever having a clutch pedal, a brake pedal, and an accelerator pedal at one end, and the other end rotatably mounted on the movable frame. A brake lever, an accelerator lever, a clutch master cylinder and a brake master cylinder which are attached to the movable frame and are operated by rotation of the clutch lever and brake lever, and which are connected to the accelerator lever and towed by rotation of the accelerator lever. A flexible wire that opens and closes the throttle valve and a flexible tube that connects the piping plate fixed to the vehicle body and each of the master cylinders, and the flexible wire and flexible tube are long enough to follow the movement of the movable frame. Position adjusting device of the operating pedal of a motor vehicle having. 2. A movable frame mounted movably in the front-rear direction of the vehicle body, a brake lever and an accelerator pedal respectively at one end, and a brake lever and an accelerator rotatably mounted at the other end on the movable frame. A lever, a brake master cylinder attached to the movable frame and actuated by turning of the brake lever, a flexible wire connected to the accelerator lever to open and close a throttle valve pulled by turning of the accelerator lever, A position adjusting device for an operating pedal of an automobile, comprising a flexible tube connecting a fixed piping plate and the master cylinder, and having a sufficient length such that the flexible wire and the flexible tube can follow the movement of the movable frame. 3. A screw shaft extending in the moving direction of the movable frame is screw-engaged with a nut fixed to the movable frame,
The position adjusting device for an operation pedal of an automobile according to claim 1 or 2, wherein the movable frame is made movable by rotation of a screw shaft.