JP2006001399A - Impact absorbing pedal - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an impact absorbing pedal, capable of properly absorbing impact energy inputted to a foot of an occupant even where the seated position or the size of physique is varied. <P>SOLUTION: An accelerator pedal 3 is provided around a foot place for the occupant in a vehicle room to rotate forward and rearward of the vehicle around a rotation shaft 9. A resistance means 19 is provided to provide the rotation shaft 9 of the accelerator pedal 3 with resistance to a collision load from the forward side of the vehicle. Rotation of the accelerator pedal 3 rearward due to the collision load is thus stopped at a prescribed position by the resistance means 19 in this impact absorbing pedal. Resistance for the rotation shaft 9 by the resistance means 19 is regulated in accordance with the seated position of the occupant. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to an impact absorbing pedal, and more particularly to an impact absorbing pedal capable of adjusting the magnitude of a reaction force received from the pedal at the time of a vehicle collision according to the occupant's physique.

  Conventionally, pedals such as a brake pedal and an accelerator pedal have been provided near the feet of passengers in the vehicle compartment (see, for example, Patent Document 1).

In this pedal, an airbag is sandwiched between the first plate and the second plate, and when the vehicle collides, the airbag is inflated to absorb and reduce the impact force on the sole of the occupant. ing.
JP 2001-63510 A

  However, in the conventional example, even if there is a difference in the seating position and the size of the occupant, since the thickness and pressure at which the airbag is inflated are constant, it is difficult to appropriately absorb the impact energy. There was a fear.

  Accordingly, an object of the present invention is to provide an impact-absorbing pedal that can appropriately absorb impact energy input to the occupant's feet even when there is a difference in the seating position or physique size of the occupant. .

  In order to achieve the above object, the shock absorbing pedal according to the present invention is provided with a pedal that rotates in the vehicle front-rear direction around the rotation shaft portion in the vicinity of the foot of an occupant in the vehicle cabin, A shock absorbing pedal that is provided with a resistance means for applying a resistance force to the pivot shaft portion of the pedal, and stops the rearward rotation of the pedal by a collision load at a predetermined position by the resistance means. The resistance force to the rotation shaft portion by the means is configured to be adjusted according to the seating position of the occupant.

  According to the shock absorbing pedal of the present invention, the magnitude of the reaction force input to the pedal at the time of a vehicle collision can be appropriately adjusted according to the size of the occupant's physique.

  In other words, the front / rear position of the seat changes according to the size of the occupant's physique. The applied backward turning force can be appropriately changed. For example, when the small woman is an occupant, the reaction force of the pedal can be weakened by disposing the seat relatively on the front side and reducing the resistance force applied to the rotating shaft portion.

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

  FIG. 1 is a sectional view showing an accelerator pedal according to an embodiment of the present invention from the side.

  As shown in FIG. 1, a dash panel 1 is disposed at the front of the interior of the automobile, and an accelerator pedal 3 that is a pedal is pivotally supported at the lower portion of the dash panel 1. . The accelerator pedal 3 includes a lower step portion 5, an upper arm portion 7, and a rotation shaft portion 9 provided at the upper end of the arm portion 7. The rotation shaft portion 9 is attached to the accelerator pedal 3. It is accommodated inside the bracket 11. The mounting bracket 11 extends from the vertical wall portion 13 provided at the lower end portion of the dash panel 1 toward the rear of the vehicle (in the room direction).

  2 is a front view of the accelerator pedal of FIG. 1 as viewed from the rear of the vehicle, and FIG. 3 is a cross-sectional view taken along line AA of FIG.

  As shown in FIGS. 2 and 3, the pivot shaft 9 of the accelerator pedal 3 is supported by a support 15. Further, a resistance means 19 is rotatably supported at a predetermined interval in the vehicle width direction from the rotation shaft portion 9 inside the mounting bracket 11, and between the resistance means 19 and the rotation shaft portion 9. Is provided with a stopper 17 for preventing the resistance means 19 from rotating.

  FIG. 4 is a perspective view showing resistance means according to an embodiment of the present invention.

  The resistance means 19 includes a bottomed rectangular tubular housing 21 whose lower side is open, a friction piece 23 housed inside the housing 21, and an elastic rubber 25 attached to the lower part of the upper surface of the housing 21. It has. Cylindrical rotating shafts 27 and 29 project from both side surfaces of the housing 21, and springs 31 and 33 are disposed inside the rotating shafts 27 and 29. A spring 31 provided on the rotating shaft 27 on the rear side of the vehicle is attached to one side surface of the friction piece 23, and the spring 31 attaches the friction piece 23 to the right in FIG. 4 in the housing 21. It is fast. Further, a sheet-side wire 35 is connected to the other side surface of the friction piece 23, and the sheet-side wire 35 is connected to a sheet 53 (see FIG. 6) as will be described later. The seat side wire 35 and the airbag side wire 37 are both movably disposed inside the pipe 36 having flexibility.

  Further, a winding spring 33 as an urging means is accommodated inside the rotating shaft 29 on the vehicle front side, and the winding spring 33 is fixed to the housing 21. This winding spring 33 has a resistance means 19 in the rotational direction indicated by the arrow in FIG. 4, that is, in the direction in which the resistance means 19 rotates and the lower end portion of the friction piece 23 contacts the rotation shaft portion 9 of the accelerator pedal 3. Is energized. An airbag side wire 37 is connected to the front side surface of the housing 21, and the rotation of the resistance means 19 is prevented by the tension of the airbag side wire 37 in a normal state.

  FIG. 5 is a cross-sectional view showing the inside of the steering wheel.

  An airbag 41 is housed inside the steering wheel 39 in a folded state, and an upper side and a side of the airbag 41 are covered by a case 43. Further, a steering housing 45 is accommodated from the bottom surface to the upper portion of the steering wheel 39. A locking hole 47 is formed on the side of the case 43 and the steering housing 45, and a pin 49 is inserted and locked in the locking hole 47. The pin 49 is connected to the airbag 41 through a short wire. Further, a locking piece 51 is detachably locked to the pin 49, and the locking piece 51 is connected to the housing 21 of the resistance means 19 through the airbag side wire 37. .

  FIG. 6 is a side view of a sheet according to an embodiment of the present invention.

  A pinion 57 is pivotally supported on the side portion of the seat cushion 55 constituting the seat 53, and a rack 61 that meshes with the pinion 57 extends along the vehicle longitudinal direction on the floor panel 59. It is installed. Further, the seat-side wire 35 is attached to the pinion 57, and when the seat 53 is moved to the front side of the vehicle, the pinion 57 rotates counterclockwise so that the seat-side wire 35 is rewound to the rear of the vehicle. It is configured.

  FIG. 7 is a side view of the accelerator pedal showing the position of the friction piece at the normal seat position, and FIG. 8 is a side view of the accelerator pedal showing the position of the friction piece when the seat is set at the front position.

  As shown in FIG. 7, when the seat 53 is set to the rear position and no tension is applied to the seat-side wire 35, the friction piece 23 is disposed in the housing 21 on the rearmost side of the vehicle. However, when the seat 53 is moved forward as shown in FIG. 6, tension is applied to the seat-side wire 35, and the friction piece 23 moves in the housing 21 to the front side of the vehicle most. 7 and 8 are compared, the state of FIG. 7 has a larger contact area between the friction piece 23 and the rotating shaft portion 9 of the accelerator pedal 3, and the state of FIG. 8 has a smaller contact area. ing.

  Below, the operation | movement procedure of the impact-absorbing pedal by this embodiment is demonstrated easily.

  First, as shown in FIG. 9, when the vehicle collides, the airbag 41 is deployed, and the pin 49 attached to the airbag 41 is pulled out. Then, the locking piece 51 locked to the pin 49 is removed from the locking hole 47 and moves downward, whereby the tension of the sheet-side wire 35 is rapidly reduced.

  Next, the urging force of the winding spring 33 inside the rotating shaft 29 shown in FIG. 4 is released due to a decrease in the tension of the seat side wire 35, and the resistance means 19 is applied to the rotating shaft portion 9 of the accelerator pedal 3 in FIG. As shown in FIGS. 10 and 11, the lower end portion of the friction piece 23 is in sliding contact with the side surface of the rotation shaft portion 9. Here, since the resistance means 19 is provided with the rubber 25, the friction piece 23 receives the reaction force from the rubber 25 and is pressed against the rotating shaft portion 9. As a result, a resistance force is applied to the rotation of the accelerator pedal 3, and the rotation of the accelerator pedal 3 is stopped at a predetermined angle.

  The present invention is not limited to the above-described embodiments, and various changes and modifications can be made based on the technical idea of the present invention.

  For example, in the above-described embodiment, the accelerator pedal 3 is described as an example of the pedal disposed at the foot of the occupant, but the present invention can also be applied to a brake pedal, a clutch pedal, or the like.

  The present invention has the following effects.

  An accelerator pedal (pedal) 3 that rotates in the vehicle front-rear direction around the rotation shaft portion 9 is provided in the vicinity of a passenger's foot in the vehicle compartment, and the rotation shaft portion 9 of the pedal 3 against a collision load from the front of the vehicle. There is provided an impact absorbing pedal which is provided with a resistance means 19 for applying a resistance force and stops the rearward rotation of the pedal 3 due to a collision load by a resistance means 19 at a predetermined position. The resistance force to the portion 9 is configured to be adjusted according to the seating position of the occupant.

  For this reason, although the front-rear position of the seat 53 changes according to the size of the occupant's physique, the resistance force to the rotating shaft portion 9 can be changed with respect to the front-rear position of the seat 53. The backward turning force applied to the pedal 3 at the time of a collision can be appropriately changed.

  Moreover, in this embodiment, it applies to the accelerator pedal 3 as an impact-absorbing pedal. The accelerator pedal 3 can be actuated at an early stage, provides a reaction force continuously, and has a large actuating stroke, so that it is possible to obtain an effect that a larger collision energy can be absorbed.

  Since the resistance means 19 is configured to apply a frictional resistance to the rotating shaft portion 9 by contacting the rotating shaft portion 9 at the time of a vehicle collision, the vehicle collision can be achieved with a simple structure and at a low cost. Sometimes the backward turning force applied to the pedal 3 can be appropriately changed.

  Since the friction means 23 whose contact area with the rotating shaft portion 9 changes according to the front and rear position of the seat 53 is provided in the resistance means 19, the resistance force to the rotating shaft portion 9 is surely and easily achieved. Can be adjusted.

  Since the winding spring (biasing means) 33 for urging the resistance means 19 in the rotation direction is provided, it is possible to quickly apply the resistance force to the rotation shaft portion 9 when the vehicle collides.

  Since the accelerator pedal 3 stops while slightly rotating at the time of a vehicle collision, the occupant can maintain a normal posture without the feet falling off the accelerator pedal 3. In addition, excessive load input to the shin is prevented, and the influence on the behavior of the knee and thigh is reduced.

It is sectional drawing which shows the accelerator pedal by embodiment of this invention from the side. It is the front view which looked at the accelerator pedal of Drawing 1 from the vehicles back. It is sectional drawing by the AA line of FIG. It is a perspective view which shows the resistance means by embodiment of this invention. It is sectional drawing which shows the inside of a steering wheel. It is a side view of the sheet | seat by embodiment of this invention. It is a side view of the accelerator pedal which shows the position of the friction piece in a normal seat position. It is a side view of the accelerator pedal showing the position of the friction piece when the seat is set at the front position. It is sectional drawing which shows the inside of the steering wheel which the airbag expand | deployed at the time of a vehicle collision. It is a front view corresponding to FIG. 2 at the time of a vehicle collision. It is sectional drawing corresponding to FIG. 3 at the time of a vehicle collision.

Explanation of symbols

3 ... Accelerator pedal (pedal)
DESCRIPTION OF SYMBOLS 9 ... Rotating shaft part 19 ... Resistance means 23 ... Friction piece 33 ... Winding spring (biasing means)
53 ... Sheet

Claims (4)

A resistance means that provides a pedal that rotates in the vehicle front-rear direction around the rotation shaft portion in the vicinity of a passenger's foot in the vehicle compartment, and applies resistance to the rotation shaft portion of the pedal against a collision load from the front of the vehicle A shock absorbing pedal that stops the pivoting of the pedal backward due to a collision load at a predetermined position by the resistance means,
An impact-absorbing pedal configured to adjust a resistance force to the rotating shaft portion by the resistance means in accordance with a seating position of an occupant.   2. The shock absorbing pedal according to claim 1, wherein the resistance means is configured to apply a frictional resistance to the rotating shaft portion by contacting the rotating shaft portion at the time of a vehicle collision.   The shock absorbing pedal according to claim 2, wherein a friction piece whose contact area with the rotating shaft portion changes according to the front-rear position of the seat is provided on the resistance means. The impact absorbing pedal according to claim 1, further comprising an urging unit that urges the resistance unit in a rotating direction.

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