JP3703729B2 - Pedal unit assembly structure - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a pedal unit assembly structure for application to an automobile.
[0002]
[Prior art]
Conventionally, in the manufacture of automobiles, in order to facilitate assembly work on an assembly line and reduce work man-hours, a plurality of related parts have been unitized and assembled as one assembly. In Europe and the like, a pedal unit is configured by attaching pedals such as a brake pedal and related parts to a bracket, and the pedal unit is already assembled to a dash panel.
[0003]
Here, when assembling this type of pedal unit to the dash panel, the pedal unit is fitted into the opening formed in the dash panel from the outdoor side, and the outer edge of the opening is framed. A steering support having a frame structure that follows is directed from the indoor side to the dash panel, and the bracket of the pedal unit and the steering support are fastened with the outer edge portion of the opening of the dash panel interposed therebetween. .
[0004]
[Problems to be solved by the invention]
However, in the past, since both the pedal unit and the steering support were fastened to each other and assembled at the required height position of the dash panel, the pedal unit and the steering support were fixed only to the dash panel, The dash panel must be strengthened by increasing the thickness of the dash panel to obtain sufficient strength and rigidity against the steering load and vibration input from the steering support, which increases the vehicle weight. There was a problem of being over.
[0005]
Further, when the pedal unit is removed for maintenance or the like, the steering support is also removed together, so that there is a problem that it takes much time to attach and detach the pedal unit to and from the dash panel.
[0006]
The present invention has been made in view of the above circumstances, and can obtain sufficient strength and rigidity against steering load and vibration of the steering without increasing the vehicle weight, and the pedal unit can be attached to and detached from the dash panel. An object of the present invention is to provide an easy pedal unit assembly structure.
[0007]
[Means for Solving the Problems]
According to the present invention, a pedal unit is configured by attaching pedals and related parts to a bracket, the pedal unit is fitted into the opening of the dash panel from the outdoor side, and the outer edge of the opening follows a frame shape. A steering support having a frame structure is directed from the indoor side to the dash panel, and the bracket of the pedal unit and the steering support are fastened with the outer edge portion of the opening of the dash panel interposed therebetween, and the lower end of the steering support Is extended to the floor panel, fastened to the front cross under the floor panel, and the upper end of the steering support is fastened to the instrument panel reinforcement.
[0008]
Thus, in this way, the steering support that is the fastening partner sandwiching the dash panel of the pedal unit functions as a framework member that vertically connects the lower floor panel and the upper instrument panel reinforcement. This greatly enhances the body rigidity and steering rigidity, so that the steering load and vibrations of the steering input from the steering support can be shared with the floor panel and instrument panel reinforcement without increasing the thickness of the dash panel. Will be allowed.
[0009]
Also, even if the pedal unit is removed for maintenance, etc., the steering support is maintained in a state where it is fastened to the floor panel and the floor panel and keeps standing at a predetermined position, so that the pedal unit can be easily attached to and detached from the dash panel. Thus, the labor required for the attaching / detaching operation of the pedal unit is greatly reduced.
[0010]
When the present invention is specifically implemented, for example, a brake pedal, a brake valve, a clutch pedal, and a clutch master cylinder are attached to a bracket of a pedal unit, and an accelerator pedal and its link mechanism are attached to a steering support. good.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the drawings.
[0012]
1 to 5 show an example of an embodiment for carrying out the present invention. In the figure, reference numeral 1 denotes a pedal unit configured by attaching pedals and related parts to a bracket 2, and an example shown here. In particular, as shown in FIG. 1, a brake pedal 3, a brake valve 4 that is operated by the brake pedal 3, a clutch pedal 5, and a clutch master cylinder 6 that is operated by the clutch pedal 5 are attached.
[0013]
Here, the bracket 2 of the pedal unit 1 has a front surface having a substantially rectangular shape (see FIG. 1) and has a plurality of bolt holes 7 with the outer edge portion being a substantially flat fastening flange portion, In addition, three shaft support portions 8, 9, and 10 project from the upper portion, and brake against left and right tilt shafts 11 and 12 that are rotatably supported by the shaft support portions 8, 9, and 10, respectively. The base ends of the pedal 3 and the clutch pedal 5 are integrally attached to each other.
[0014]
Further, the right side portion of the bracket 2 in FIG. 1 is formed with a valve accommodating portion 13 in which a side surface shape as shown in FIG. 2 projects in a triangular shape from the outdoor side A to the indoor side B. A cylinder housing portion 14 is formed on the left side portion of the bracket 2 such that the side surface shape projects from the outdoor side A toward the indoor side B in a triangular shape smaller than the valve housing portion 13 as shown in FIG.
[0015]
As shown in FIGS. 1 and 3, the brake valve 4 is attached from the outdoor side A to the former valve housing portion 13, and the brake valve is formed through a hole 15 formed in the slope on the upper side of the valve housing portion 13. 4 is connected to the tilting shaft 11 of the brake pedal 3 via a lever mechanism so that the upper end portion of 4 protrudes toward the indoor side B and can be operated by the tilting operation of the brake pedal 3.
[0016]
Further, the clutch master cylinder 6 is attached to the latter cylinder housing portion 14 from the outdoor side A, and an upper end portion of the clutch master cylinder 6 is formed through a hole 16 formed in the slope on the cylinder housing portion 14 upper side. Is connected to the base end side portion of the brake pedal 3 so as to protrude toward the indoor side B and to be actuated by a tilting operation of the brake pedal 3.
[0017]
Of course, the valve housing portion 13 and the cylinder housing portion 14 having the triangular side surfaces as described above also function as reinforcing members for increasing the strength of the bracket 2 of the pedal unit 1. is there.
[0018]
3 and FIG. 4, the pedal unit 1 configured as described above has a chamber with respect to an opening 18 opened on the driver's seat side of the dash panel 17 that divides the indoor side B with respect to the outdoor side A. On the other hand, a steering support 19 having a frame structure extending along the frame shape with respect to the outer edge portion of the opening 18 of the dash panel 17 is directed from the indoor side B to the dash panel 17. In addition, the outer edge portion of the opening 18 of the dash panel 17 is sandwiched between the bracket 2 of the pedal unit 1 and the bolts and nuts 20 so as to be fastened to each other.
[0019]
For convenience of explanation, the pedal unit 1 in FIG. 3 is shown in a state in which it is not broken (a state corresponding to II-II in FIG. 1), but actually, the pedal unit 1 in FIG. The outer edge portion of the bracket 2 extends along the outer edge portion of the opening 18 of the dash panel 17 over the entire circumference.
[0020]
Here, in the case of the conventional normal steering support, it is attached only to the dash panel 17, but in the steering support 19 in this embodiment, the lower end portion 21 of the steering support 19 is extended to the floor panel 22. The lower end 21 along the floor panel 22 extends in the vehicle width direction below the floor panel 22 and reinforces the dash panel 17 with bolts. The nut 24 is used for fastening.
[0021]
Moreover, a pair of protrusions 26, 26 extending upward are formed on the post support 25 for supporting a steering post (not shown) at the upper end of the steering support 19, and each of the protrusions 26, 26 is formed. The instrument panel reinforcement 27 (instrument panel reinforcement) for fixing the meters and audio is fastened by a bolt / nut 29 via a connector 28.
[0022]
Further, in this embodiment, as shown in FIG. 5, the accelerator pedal 30 is unitized together with the link mechanism 31 on the right side surface portion of the steering support 19 as viewed from the indoor side B, and is attached via a fixture 32. The above-described link mechanism 31 of the accelerator pedal 30 refers to a conventionally known mechanism for converting the tilting operation of the accelerator pedal 30 to the operation of a governor via an accelerator cable (not shown). Yes.
[0023]
Thus, if such a configuration is adopted, the steering support 19 that is the fastening partner sandwiching the dash panel 17 of the pedal unit 1 moves vertically between the lower floor panel 22 and the upper instrument panel reinforcement 27. Since the body rigidity and the steering rigidity are greatly enhanced, the steering load and vibration of the steering wheel input from the steering support 19 can be obtained without increasing the thickness of the dash panel 17. Is satisfactorily shared by the floor panel 22 and the instrument panel reinforcement 27 and allowed.
[0024]
Further, even if the pedal unit 1 is removed for maintenance or the like, the steering support 19 is maintained in a state of being fastened to the floor panel 22 and the floor panel 22 and continues to stand at a predetermined position. The unit 1 can be easily attached and detached, and the labor required for attaching and detaching the pedal unit 1 can be greatly reduced.
[0025]
Therefore, according to the above-described embodiment, sufficient strength and rigidity can be obtained with respect to the steering load and vibration of the steering without increasing the vehicle weight by increasing the thickness of the dash panel 17 or the like. The pedal unit 1 can be easily detached from the dash panel 17 alone, and the labor required to remove and install the pedal unit 1 can be greatly reduced, so that the maintenance and the like of the pedal unit 1 can be performed extremely easily. be able to.
[0026]
Note that the pedal unit assembly structure of the present invention is not limited to the above-described embodiment, and the structure related to unitization of the pedal unit is not limited to the illustrated example, and otherwise departs from the gist of the present invention. Of course, various modifications can be made within the range not to be performed.
[0027]
【The invention's effect】
According to the above-described pedal unit assembly structure of the present invention, the following various excellent effects can be obtained.
[0028]
(I) By making the steering support function as a framework member, the body rigidity and the steering rigidity can be greatly enhanced, so that sufficient strength against steering load and vibration of the steering can be obtained without increasing the vehicle weight. Stiffness can be obtained.
[0029]
(II) The pedal unit can be easily attached to and detached from the dash panel, and the labor required for attaching and detaching the pedal unit can be greatly reduced, so that the maintenance of the pedal unit can be performed extremely easily. it can.
[Brief description of the drawings]
FIG. 1 is a front view of a pedal unit used in an example of an embodiment of the present invention.
2 is an arrow view showing only a bracket as viewed from the II-II direction in FIG.
FIG. 3 is a cross-sectional view showing an example of an embodiment of the present invention without breaking a pedal unit.
4 is an exploded perspective view for explaining a fastening structure of the steering support of FIG. 3. FIG.
FIG. 5 is a front view showing only the steering support of FIG. 4 alone.
[Explanation of symbols]
1 Pedal unit 2 Bracket 3 Brake pedal (Pedals)
4 Brake valve (related parts)
5 Clutch pedal (Pedals)
6 Clutch master cylinder (Related parts)
17 Dash panel 18 Opening 19 Steering support 21 Lower end 22 Floor panel 23 Front cross 26 Projection 27 Instrument panel reinforcement 30 Accelerator pedal 31 Link mechanism A Outdoor side B Indoor side

Claims (2)

A pedal unit is configured by attaching pedals and related parts to the bracket, and has a framework structure in which the pedal unit is fitted into the opening of the dash panel from the outside of the door and along the frame shape with respect to the outer edge of the opening. Steering support is directed from the indoor side to the dash panel, the bracket of the pedal unit and the steering support are fastened with the outer edge of the opening of the dash panel in between, and the lower end of the steering support is extended to the floor panel A pedal unit assembly structure, wherein the pedal unit assembly is extended and fastened to a front cross under the floor panel, and an upper end portion of the steering support is fastened to an instrument panel reinforcement. The pedal unit assembly structure according to claim 1, wherein a brake pedal, a brake valve, a clutch pedal, and a clutch master cylinder are attached to a bracket of the pedal unit, and an accelerator pedal and a link mechanism thereof are attached to a steering support.

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