JP2520121Y2 - Vehicle accelerator pedal - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of a vehicle accelerator pedal.

[0002]

2. Description of the Related Art For example, as shown in FIGS. 8 and 9, recent accelerator pedals of automobiles often employ a tilt structure for supporting a pad portion thereof.

When the tilt structure is adopted, since the pad portion is always properly aligned with the angle of the back surface of the foot, the action surface of the force when the accelerator pedal is depressed is widened, and stable depression operation is possible and the operation feeling is also provided. It will be good.

By the way, in the conventional accelerator pedal having the tilt structure, when constructing the tilt fulcrum, first, as a first example, as shown in FIG. 8, the rear end portion 1a of the accelerator pedal arm 1 and the accelerator pedal are shown. Holes 5, 6 and 6 are formed in both side walls of the pad 2, and a spring pin having a C-shaped cross section having elasticity, which is biased in the expanding direction, is inserted to be used as the tilt fulcrum pin 3. There is something.

Further, as a second example, as shown in FIG. 9, for example, a through hole for the tilt fulcrum pin 3 is also formed in the rear end portion 1a of the accelerator pedal arm 1 while the accelerator pedal pad 2 is provided. A regulation wall 4c for preventing the tilt fulcrum pin from coming off is provided in addition to the support walls 4a and 4b for fitting and supporting the solid tilt fulcrum pin 3, and the tilt fulcrum pin 3 is provided adjacent to the regulation wall 4c adjacent to the restriction wall 4c. For example, the tilt fulcrum pin 3 is prevented from coming off by fitting and locking a snap ring 7 such as an E ring.

[0006]

However, in the structure of the pad mounting portion of the first conventional example, first, the rear end portion 1a of the accelerator pedal arm 1 and the accelerator pedal pad 2 are each used for inserting the tilt fulcrum pin. Since it is necessary to form a through hole and the tilt fulcrum pin 3 must be formed by a spring pin, the number of processing steps for each part is large and the cost is high. Further, the assembling work of the accelerator pedal pad 2 with respect to the accelerator pedal arm 1 is considerably difficult because a spring pin having a C-shaped cross section which is urged to open is to be press-fitted into a small-diameter hole. Becomes Therefore, workability during assembly is poor. Further, since the tilt fulcrum pin 3 is only press-fitted, there is a problem that the tilt fulcrum pin 3 is likely to come off due to torsion.

On the other hand, in the configuration of the second conventional example, the restriction wall 4
Since the tilt fulcrum pin 3 is securely locked by the c and the snap ring 7, the tilt fulcrum pin 3 does not come off as in the first conventional example, and the pillar pin may be used, so that the assembling work is relatively easy. It's easy.

However, the accelerator pedal arm 1 itself needs to be formed with holes, and the extra work of fitting the snap ring 7 is required, and there is still room for improvement.

[0009]

The present invention has been made for the purpose of solving the above problems, and includes an accelerator pedal arm, a tilt fulcrum pin welded and fixed to the accelerator pedal arm, An accelerator pad having first and second engaging walls provided with first and second tilt fulcrum pin fitting holes respectively fitted to both ends of the tilt fulcrum pin, and wound around the tilt fulcrum pin. In the accelerator pedal of the vehicle, the first and second spring pieces are provided on the accelerator pedal arm, and the other end side spring piece is provided with a return spring locked to the back surface of the accelerator pedal pad. Each tilt fulcrum pin fitting hole of the engaging wall of is formed as a blind hole, and
One of the engaging walls, a tapered surface inclined toward the corresponding tilt fulcrum pin fitting hole is formed on the inner surface of the tip side of the engaging wall, and the engaging wall having the tapered surface is formed. Is configured to be elastically deformable in the axial direction of the tilt fulcrum pin.

[0010]

As described above, in the accelerator pedal of the vehicle of the present invention, the accelerator pedal arm, the tilt fulcrum pin welded and fixed to the accelerator pedal arm, and the both ends of the tilt fulcrum pin are fitted respectively. An accelerator pad having first and second engaging walls provided with first and second tilt fulcrum pin fitting holes; and a spring piece wound around the tilt fulcrum pin and having one end side spring piece on the accelerator pedal arm, In an accelerator pedal of a vehicle comprising a return spring in which a spring piece on the other end side is locked to the back surface of the accelerator pedal pad, the tilt fulcrum pin fitting holes of the first and second engaging walls are formed. In addition to forming a blind hole, a tapered surface inclined toward the corresponding tilt fulcrum pin fitting hole is formed on the inner surface at the tip end side of either one of the first and second engaging walls. The engaging wall having the tapered surface is elastically deformable in the axial direction of the tilt fulcrum pin, and the guide effect of the tapered surface and the bending effect of the elastic deformation of the engaging wall are utilized. As described above, the tilt fulcrum pin integrated with the accelerator pedal arm as described above can be operated with a single touch by the first and second engaging walls of the first and second engaging walls.
The tilt fulcrum pin fitting hole is surely fitted.

That is, according to the structure for mounting the accelerator pedal pad as described above, one end side of the tilt fulcrum pin fixed to the accelerator pedal arm is connected to either one side of the accelerator pedal pad as the first or second engagement. First, the tilt fulcrum pin fitting hole of the wall is first temporarily fitted, and then the other end side of the tilt fulcrum pin is used by utilizing the tapered surface of the engaging wall on the other side. By pushing it to the side, the taper side engagement wall is flexed by elastic deformation and the original shape is restored after the tilt fulcrum pin is fitted, and the accelerator pedal pad is tilted and tilted relative to the accelerator pedal arm with one touch. Can be installed as possible. Therefore, the workability of assembling is greatly improved.

Moreover, in this structure, since the tilt fulcrum pin is simply welded to the upper surface of the accelerator pedal arm, it is not necessary to make a hole for inserting the tilt fulcrum pin in the accelerator pedal arm itself. Further, the tilt fulcrum pin itself need only be a solid columnar body, and does not require a splitting process like a spring pin. Therefore, the number of man-hours for processing the component parts can be reduced and the product cost can be reduced.

[0013]

Therefore, according to the accelerator pedal for a vehicle of the present invention, it is possible to provide a vehicle accelerator pedal which has a small number of parts and processing steps, is low in cost, and is easy to assemble.

[0014]

1 to 7 show the structure of an accelerator pedal of a vehicle according to an embodiment of the present invention.

First, FIG. 6 and FIG. 7 show the accelerator pedal 3 of FIG.
0 shows the entire structure of 0, the accelerator pedal 30 is,
It is composed of an accelerator pedal arm 20 rotatably supported by a support shaft 31 at a substantially middle portion in the front-rear direction, and an accelerator pedal pad 21 mounted on a rear end portion 20a side of the accelerator pedal arm 20 as described later. ing. The tip portion 2 of the accelerator pedal arm 20
A connecting portion 20c with the accelerator wire is formed on the 0b side.

On the other hand, both ends of the support shaft 31 are supported by the left and right side walls 32a and 32b of the vehicle body mounting bracket 32. Then, the accelerator pedal arm 20 is wound by the coil spring 33 wound around the support shaft 31.
For example, as shown by the arrow in FIG. 7, the accelerator pedal pad 21 side is always urged to rotate in a direction away from the vehicle body side dash panel wall surface 34.

Further, in FIG. 1, reference numeral 20 is the accelerator pedal arm of FIGS. 6 and 7 to which the accelerator pedal pad 21 is attached as described below,
A tilt fulcrum pin 22 for attaching an accelerator pedal pad 21 is welded and fixed in a cross state on the upper surface side of the rear end portion 20a of the accelerator pedal arm 20. And
A return spring 23 is wound around and supported on one end of the tilt fulcrum pin 22, as shown in FIGS. 1 and 2, for example. The return spring 23 is configured such that a long piece 23a on one end side of the winding portion thereof comes out from the lower side and is locked to the upper surface side of the accelerator pedal arm rear end portion 20a (see FIG.
Also, the short piece 23b on the other end side of the same winding portion is brought into contact with the back surface side of the accelerator pedal pad 21, and the return elasticity is exerted between them, so that the attached accelerator pedal pad 21 is always shown in FIG. It acts so as to return to the upward direction in the arrow direction like the state of the solid line (tilt function).

On the other hand, the accelerator pedal pad 21 has, as shown in FIG. 2, for example, first and second outer portions on the back surface side.
And side walls 21a and 21b, and a vertical wall 21c located between them and adjacent to the second left side wall 21b. Then, the first side wall 21a and the vertical wall 2
Both ends 22 of the tilt fulcrum pin 22 are provided inside each of the 1c.
Fitting holes 24a and 24b, which are blind holes into which a and 22b are fitted, are formed to face each other on the same axis.

The vertical wall 21c is formed such that the wall thickness thereof is thinner than the first side wall 21a by a predetermined amount, and the upper side of the tilt fulcrum pin fitting hole 24b is tapered from the upper side to the lower side. As shown in FIG. 4, for example, as shown in FIG. 4, one end 22a side of the tilt fulcrum pin 22 that is temporarily fitted into the tilt fulcrum pin fitting hole 24a of the first side wall 21a is tapered at the other end 22b side. The surface 25 can be forcedly fitted into the tilt fulcrum pin fitting hole 24b. Further, as is clear from FIGS. 3 and 5, in the tilt fulcrum pin fitting hole 24b, front and rear locking wall surfaces 26a, 26b and engagement members for preventing the tilt fulcrum pin 22 from twisting out around the front and rear thereof. A mating recess 26c is formed. At this time, the flat surface portion 2 between the locking wall surfaces 26a, 26b and the edge portion of the engaging surface 26c
The widths L ₁ and L ₂ of the 7a and 27b are set to be smaller than the radius R of the tilt fulcrum pin 22 so that even if the tilt fulcrum pin 22 comes off, it is automatically dropped into the recess 26c.

At the position corresponding to the rear end of the accelerator pedal arm rear end 20a on the rear surface 21a of the accelerator pedal pad 21, the rear end of the accelerator pedal arm 20a is sandwiched from both sides. Positioning wall 2 for positioning accelerator pedal arm 20 by inserting
8a and 28b are provided.

According to the structure for mounting the accelerator pedal pad as described above, as shown in FIG. 4, one end 22a of the tilt fulcrum pin 22 fixed to the accelerator pedal arm 20 is connected to the first end of the accelerator pedal pad 21. Side wall 21a
First, the tilt fulcrum pin fitting hole 24a is first temporarily fitted, and then the other end 22b side is made into the tapered surface 2 of the vertical wall 21c.
5 is pushed toward the side of the tilt fulcrum pin fitting hole 24b, the elastic wall of the vertical wall 21c is flexibly deformed and the original shape is restored after the pin is fitted. 21
Can be mounted so that it can be tilted and tilted. Therefore, the workability of assembling is greatly improved.

Moreover, in this structure, the tilt fulcrum pin 2 is used.
Since 2 is only welded to the upper surface of the accelerator pedal arm 20, it is not necessary to make a hole for inserting the tilt fulcrum pin in the accelerator pedal arm 20 itself,
Further, the tilt fulcrum pin 22 itself need only be a solid columnar body, and does not require a splitting process like a spring pin. Therefore, the number of man-hours for processing the component parts can be reduced and the product cost can be reduced.

[Brief description of drawings]

FIG. 1 is a perspective view showing a structure of an accelerator pedal of a vehicle according to an embodiment of the present invention.

FIG. 2 is a sectional view of the accelerator pedal taken along the line AA of FIG. 1.

FIG. 3 is an enlarged perspective view showing a structure of a main part of the accelerator pedal.

FIG. 4 is an operation explanatory view when assembling the accelerator pedal by the structure of the main part.

FIG. 5 is an explanatory cross-sectional view showing an operation of a main part of the structure of the accelerator pedal after the assembly is completed.

FIG. 6 is a plan view showing an overall structure of the accelerator pedal.

FIG. 7 is a side view showing an overall structure of the accelerator pedal.

FIG. 8 is a perspective view showing a structure of a main part of an accelerator pedal according to a first conventional example.

FIG. 9 is a perspective view showing a structure of a main part of an accelerator pedal according to a second conventional example.

[Explanation of symbols]

20 is an accelerator pedal arm, 21 is an accelerator pedal pad, 21a is a first side wall, 21c is a vertical wall, 22 is a tilt fulcrum pin, 23 is a return spring, 24a is a first tilt fulcrum pin fitting hole, and 24b is a first hole. 2 is a tilt fulcrum pin fitting hole, and 25 is a tapered surface.

Claims (1)

(57) [Scope of utility model registration request] 1. An accelerator pedal arm, and a tilt fulcrum pin welded and fixed to the accelerator pedal arm,
An accelerator pad having first and second engaging walls provided with first and second tilt fulcrum pin fitting holes respectively fitted to both ends of the tilt fulcrum pin, and wound around the tilt fulcrum pin. In the accelerator pedal of the vehicle, the first and second spring pieces are provided on the accelerator pedal arm, and the other end side spring piece is provided with a return spring locked to the back surface of the accelerator pedal pad. Each tilt fulcrum pin fitting hole of the engaging wall is formed as a blind hole, and the corresponding tilt is formed on the inner surface at the tip end side of either one of the first and second engaging walls. An accelerator pedal for a vehicle, characterized in that a taper surface inclined toward the fulcrum pin fitting hole is formed, and an engagement wall having the taper surface is elastically deformable in the axial direction of the tilt fulcrum pin. .