JPH09226542A - Pedal device - Google Patents

Abstract

(57) Abstract: [PROBLEMS] To provide a pedal device capable of reducing the number of parts and improving workability of mounting a nut for mounting a pedal bracket. SOLUTION: A switch support cylinder 23 is screwed into a welding nut 17 fixed to an upper wall 6 of a pedal bracket 1 to attach a stop lamp switch 19 to an upper surface side of the upper wall 6, and an operating shaft 24 is attached to a brake pedal 9. The operating shaft abutting plate 27 with which the abutting is provided. The stop lamp switch bracket and the stop lamp switch stay, which are required in the prior art, can be eliminated, the number of parts can be reduced, and the cost of the device can be reduced. Since the stop lamp switch bracket existing near the axis G of the mounting nut 3 in the prior art is abolished, the impact socket is not interfered with and the workability of tightening the mounting nut 3 can be improved.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pedal device used in a vehicle.

[0002]

2. Description of the Related Art An example of a conventional pedal device is shown in FIGS. 6 and 8, the pedal bracket 1 is roughly composed of a support plate 4 attached to the dash panel 2 using the attachment nuts 3 and a bracket body 5 fixed to the support plate 4 by welding or the like. . The bracket body 5 is composed of a plate-shaped upper wall 6 and a pair of flanges 7, 7 that are bent and formed on both sides of the upper wall 6 so as to face each other, and have a substantially U-shape in cross section. .

A brake pedal 9 is attached to the pedal bracket 1 via a support shaft 8 attached to a pair of flanges 7, 7.
Are rotatably supported. The brake pedal 9 is composed of a plate-shaped arm 10 that is curved on the distal end side and holds the support shaft 8 on the proximal end side, and a tread plate 12 that is provided on the distal end portion of the arm 10 and on which a pad 11 is mounted, as shown in FIG. 7. ing.
The brake pedal 9 is in a predetermined position (see FIG. 6) by the spring force of the pedal spring 13 in a steady state (when the pedal is not depressed).
Is indicated by a chain double-dashed line). An output rod 15 for operating the master cylinder 14 is connected to the brake pedal 9 in the vicinity of the support shaft 8.
When the brake pedal 9 is stepped on and the brake pedal 9 rotates, for example, as shown by the alternate long and short dash line in FIG. 6, a braking force is exerted on a brake mechanism (not shown) via the master cylinder 14.

A stop lamp switch bracket 16 is attached to the pedal bracket 1. A welding nut 17 is fixed to the stop lamp switch bracket 16. A stop lamp switch 19 is attached to the stop lamp switch bracket 16 using the welding nut 17 and the lock nut 18. On the other hand, a stop lamp switch stay 20 corresponding to the stop lamp switch 19 is attached to the brake pedal 9.

As shown in FIG. 8, the stop lamp switch 19 includes a switch main body 21 having a contact mechanism and a spring (not shown) built therein, and a switch nut 21 attached to the switch main body 21 on the outer peripheral side thereof.
A cylindrical switch support cylinder 23 formed with a male screw 22 that is screwed to the operating shaft 2 that has one end connected to the contact mechanism and the other end inserted into the switch support cylinder 23 and protruding outward.
4, and the spring urges the actuating shaft 24 outward.

The stop lamp switch 19 is turned off when the actuating shaft 24 is pushed by a predetermined amount against the spring, and is turned on when it is advanced by the urging force of the spring to turn on a stop lamp (not shown). It is designed to be turned on. And the brake pedal 9
However, when the stop lamp switch stay 20 presses the actuating shaft 24 and the stop lamp switch 19 is turned off when it is in the steady state (non-depressed state), the tread 12 of the brake pedal 9 is stepped on. When the brake pedal 9 is rotated, the pressing of the operating shaft 24 by the stop lamp switch stay 20 is released and the operating shaft 24 is released.
The respective members are arranged so that the stop lamp switch 19 is turned on by moving forward by the biasing force of the spring.

[0007]

By the way, in the above-mentioned pedal device, in order to reduce the weight and reduce the cost of the device,
It is desired to reduce the number of parts. Further, in the pedal device described above, when the mounting nut 3 is tightened using the impact socket 25 as shown in FIG. 8 for mounting the pedal bracket 1 on the dash panel 2, the axis line of the impact socket 25 (the axis line of the mounting nut 3). G
Since the stop lamp switch bracket 16 was provided in the vicinity, it was difficult to perform the tightening work.

The present invention has been made in view of the above circumstances, and an object thereof is to provide a pedal device which can reduce the number of parts and improve the workability of mounting a nut for mounting a pedal bracket. And

[0009]

SUMMARY OF THE INVENTION The present invention provides a pedal device in which a brake pedal is rotatably supported by a support shaft provided in a pedal bracket, and an operating shaft of a stop lamp switch is provided in a hole formed in an upper wall of the pedal bracket. And the stop lamp switch is attached to the upper surface of the upper wall of the pedal bracket, and the operating shaft is pressed and released in the vicinity of the support shaft of the brake pedal when the brake pedal is not depressed and when it is depressed. It is characterized in that an operating shaft contact portion is formed.
In this case, the stop lamp switch mounting portion of the pedal bracket may be recessed so as to be recessed toward the support shaft side.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION A pedal device according to an embodiment of the present invention will be described below with reference to FIGS. In addition,
Members and portions equivalent to those shown in FIGS. 6 to 8 are indicated by the same reference numerals, and the description thereof will be omitted as appropriate.

The pedal system shown in FIGS. 1 to 4 is shown in FIG.
As compared with the pedal device shown in FIG. 8, the stop lamp switch bracket 16 and the stop lamp switch stay 20 are eliminated. As shown in FIGS. 1 and 3, a hole 26 through which the switch support cylinder 23 of the stop lamp switch 19 is inserted is formed in the upper wall 6 of the pedal bracket 1 in the vicinity of the support shaft 8. Hole 2 in top wall 6
On the inner side (lower surface side) of the portion where 6 is formed, the welding nut 1
7 is fixed. The switch support cylinder 23 is screwed into the welding nut 17 and the stop lamp switch 19 is attached to the upper surface of the upper wall 6 of the pedal bracket 1. In addition, the switch support cylinder 23 has a lock nut 1 arranged on the outer side (upper surface side) of the upper wall 6 of the pedal bracket 1.
8 is screwed, and the stop lamp switch 19 is securely fixed together with the welding nut 17.

By attaching the switch support cylinder 23 to the welding nut 17 fixed to the lower surface side of the upper wall 6 of the pedal bracket 1 and attaching the stop lamp switch 19 to the upper surface side of the upper wall 6 of the pedal bracket 1. As shown in FIGS. 2 and 4, the operating shaft 24 is adapted to move forward and backward toward the lower side of the upper wall 6. On the other hand, the brake pedal 9
A part of the arm 10 in the vicinity of the support shaft 8 is bent, and an actuating shaft contact plate (actuating shaft contact part) 27 is formed at this bent portion so that the tip of the actuating shaft 24 abuts. There is. The actuating shaft contact plate 27 presses the actuating shaft 24 when the brake pedal 9 is not depressed, and when the brake pedal 9 is depressed, the actuating shaft abutment plate 27 separates from the actuating shaft 24 as the brake pedal 9 rotates. Axis 24
Is released.

In the pedal device constructed as described above,
Since the stop lamp switch 19 is directly attached to the upper wall 6 of the pedal bracket 1, the stop lamp switch bracket 16 required in the prior art (FIGS. 6 to 8) can be eliminated. Moreover, since the brake pedal 9 is provided with the operating shaft contact plate 27, the prior art (FIGS. 6 to 8)
The stay 20 for the stop lamp switch, which is required in the above, can be eliminated. Therefore, since the stop lamp switch bracket 16 and the stop lamp switch stay 20 are eliminated, the number of parts is reduced, and the cost of the device can be reduced.

In the prior art (FIGS. 6 to 8), when the mounting nut 3 is tightened with the impact socket 25, the stop lamp switch bracket 16 is provided near the axis line (axis line of the mounting nut 3) G of the impact socket 25. However, in the device of the present invention, the impact socket 25 has been removed due to the elimination of the stop lamp switch bracket 16.
It is possible to improve the workability of tightening the mounting nut 3 without being interfered with.

Bracket 16 for stop lamp switch
Since the stay 20 for the stop lamp switch is eliminated, the space for moving the driver's foot is expanded accordingly, and the pedal operability is improved accordingly. Furthermore, welding nut 1
By screwing the switch support cylinder 23 to 7 and attaching the stop lamp switch 19 to the upper surface side of the upper wall 6 of the pedal bracket 1, the operating shaft 24 moves forward and backward toward the lower side of the upper wall 6 to operate. The moving region of the shaft 24 is the upper wall 6
And a pair of flanges 7, 7. Therefore, it is possible to prevent dust from being accumulated in the moving region of the operating shaft 24, and it is possible to maintain good operation without causing defective operation of the operating shaft 24.

Since the stop lamp switch 19 is attached to the upper wall 6 of the pedal bracket 1, the wiring for the stop lamp switch 19 is connected to the upper wall 6 of the pedal bracket 1.
It is possible to prevent the wiring of the stop lamp switch 19 from sagging.

Further, as shown in FIG. 5, a recess 28 recessed in the lower space S of the upper wall 6 is formed in the upper wall 6 of the pedal bracket 1, and the stop lamp switch 19 may be mounted in this recess 28. Good. In this case, the concave portion 28 constitutes the stop lamp switch mounting portion. By mounting the stop lamp switch 19 in the recess 28 in this manner, the position of the switch main body 21 becomes lower than in the case shown in FIGS. 1 to 4, and the stop lamp switch 19 moves to the upper space T of the upper wall 6. The amount of protrusion can be suppressed to a necessary minimum and interference with surrounding members can be reduced.

[0018]

According to the present invention, since the stop lamp switch is directly attached to the upper wall of the pedal bracket and the operating shaft contact portion is provided on the brake pedal, the bracket for the stop lamp switch and the stop lamp switch required in the prior art. The use stay can be eliminated, the number of parts can be reduced, and the cost of the device can be reduced.

With the elimination of the stop lamp switch bracket, the impact socket is not interfered with, and the pedal bracket mounting nut can be tightened more easily.

By eliminating the bracket for the stop lamp switch and the stay for the stop lamp switch, the movement space of the driver's foot is expanded correspondingly, and the pedal operability is improved accordingly. Furthermore, since the movement area of the operating shaft of the stop lamp switch is on the lower side of the upper wall, dust does not accumulate in the movement area of the operating shaft, which in turn prevents the operation shaft from malfunctioning and maintains good operation. it can.

[Brief description of drawings]

FIG. 1 is a partially cutaway front view showing a pedal device according to an embodiment of the present invention.

FIG. 2 is a partially cutaway front view showing an operating state of a brake pedal of the pedal system.

FIG. 3 is an enlarged view of a portion A in FIG. 1;

FIG. 4 is a side view schematically showing the vicinity of a support shaft of the pedal device of FIG.

FIG. 5 is a cross-sectional view showing an example in which a recess is provided in the pedal bracket.

FIG. 6 is a partially cut front view showing an example of a conventional pedal device.

FIG. 7 is an exploded perspective view showing the pedal device.

FIG. 8 is a diagram schematically showing a state in which a mounting nut of the pedal device is tightened.

[Explanation of symbols]

 1 Pedal Bracket 6 Upper Wall 8 Support Shaft 9 Brake Pedal 16 Stop Lamp Switch 24 Actuating Shaft 26 Hole 28 Recess

Claims (2)

[Claims] 1. A pedal device in which a brake pedal is rotatably supported by a support shaft provided in a pedal bracket,
While inserting the operation shaft of the stop lamp switch into the hole formed in the upper wall of the pedal bracket and attaching the stop lamp switch to the upper surface side of the upper wall of the pedal bracket, in the portion near the support shaft in the brake pedal,
A pedal device, wherein an actuating shaft contact portion is formed to press and release the actuating shaft when the brake pedal is not depressed and when the brake pedal is depressed. 2. The pedal device according to claim 1, wherein the stop lamp switch mounting portion of the pedal bracket is a recess so as to be recessed toward the support shaft side.