JPH06219326A - How to assemble the front body of a car - Google Patents

Abstract

(57) [Summary] [Purpose] Attach the pedal unit sub-assembly to the dash panel without reducing the effective cross-sectional area of the cowl. [Structure] Most of the parts near the dash panel 11 assembled to the front part 10A of the vehicle body 10 of the automobile are a pedal unit sub-assembly 12, an air conditioner unit sub-assembly 14, and an instrument panel unit sub-assembly 16. The sub-assemblies are divided into two sub-assemblies, and the sub-assemblies are assembled in advance and then assembled to the vehicle body 10 for each sub-assembly. Further, the dash panel 11 is provided with a pedal unit sub-assembly mounting hole 74. The pedal unit sub-assembly 12 is mounted on the outer peripheral portion of the pedal unit sub-assembly mounting hole 74 from the front of the vehicle body, and the pedal unit sub-assembly 12 is attached with a bolt from the front of the vehicle body. It is tightened and fixed with a nut.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of assembling a vehicle body in a front portion of a vehicle, and more particularly to a method of assembling a vehicle body portion in a front portion of a vehicle in which a pedal unit sub-assembly is attached to a dash panel that separates an engine room and a vehicle compartment.

[0002]

2. Description of the Related Art Conventionally, as a method of assembling a vehicle body in a front part of a vehicle, there is known a method of mounting a pedal unit sub-assembly to a pedal unit sub-assembly mounting portion of a dash panel from the vehicle interior side, one example of which is US Pat. 4,
353, 430.

[0003]

However, in the method of assembling the vehicle body in the front part of the vehicle, as shown in FIG. 12, the floor pan is provided below the pedal 102 fixed to the base plate 101 of the pedal unit sub-assembly 100 in advance. 104 are arranged close to each other. Therefore, the pedal unit sub-assembly 100 has a pedal unit sub-assembly mounting hole 104 formed in the dash panel 103.
When the pedal unit sub-assembly 100 is attached to the outer peripheral part of the vehicle, avoid the interference between the pedal 102 and the floor pan 104, and move the pedal unit sub-assembly 100 substantially horizontally from the rear of the vehicle body to the front as shown by an arrow T in FIG. It will be attached and fixed with the bolt 106 and the nut 108.

Therefore, the pedal unit sub-assembly 10
The upper end portion (reservoir portion) 110A of the master cylinder 110, which is previously attached to 0, is attached to the lower portion 112 of the cowl 112.
In order to prevent the interference with A, it is necessary to reduce the cross-sectional area of the cowl 112 only by the hatched portion in FIG. Therefore, the effective cross-sectional area of the cowl 112 is reduced, which causes a problem that the dynamic pressure ventilation is reduced.

In view of the above facts, the present invention has an object to provide a method for assembling a vehicle body in a front part of a vehicle capable of assembling a pedal unit sub-assembly to a dash panel without reducing a ventilation effective sectional area of a cowl. And

[0006]

According to a first aspect of the present invention, there is provided a method for assembling a vehicle body in a front portion of a vehicle, wherein a pedal unit sub-assembly having at least a pedal, a pedal bracket, and a master cylinder mounted on a base panel is dashed. A method of assembling a vehicle body in a front part of a vehicle, which is assembled to a pedal unit sub-assembly mounting portion of a panel, wherein the pedal unit sub-assembly is mounted to the pedal unit sub-assembly mounting portion from the front of the vehicle body, and the pedal unit sub-assembly is It is characterized in that the fixing means for fixing to the pedal unit sub-assembly mounting portion is tightened from the front of the vehicle body.

[0007]

In the method for assembling the vehicle body of the front part of the vehicle according to the first aspect of the present invention, the pedal unit sub-assembly is mounted to the pedal unit sub-assembly mounting portion of the dash panel from the front of the vehicle body. The master cylinder pre-mounted on the front side of the panel does not interfere with the cowl on the rear side of the dash panel. Therefore, the pedal unit sub-assembly can be assembled to the dash panel without reducing the effective cross-sectional area of the cowl.

Further, in the method of assembling the vehicle body of the front part of the vehicle according to the present invention, a fixing means for fixing the pedal unit sub-assembly to the pedal unit sub-assembly mounting portion, for example, a bolt or the like is tightened from the front of the vehicle body. The front side of the dash panel is relatively bright and easy to see without being difficult to see under the cowl, which improves the workability of tightening.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a method for assembling a vehicle body on a front portion of an automobile according to the present invention will be described with reference to FIGS.

In the figure, an arrow FR indicates a front direction of the vehicle body, an arrow UP indicates an upward direction of the vehicle body, and an arrow IN indicates a vehicle width inward direction.

As shown in FIG. 1, most of the parts near the dash panel 11 assembled to the front part 10A of the vehicle body 10 of the automobile are the pedal unit sub-assembly 12, the air conditioner unit sub-assembly 14, and the instrument panel. The sub-assembly is divided into three sub-assemblies including the unit sub-assembly 16, and each sub-assembly is assembled in advance and then assembled to the vehicle body 10 for each sub-assembly. Reference numeral 85 in FIG. 1 denotes a steering wheel, and reference numeral 86 denotes a steering post.

As shown in FIG. 11, a dash panel 11 of the vehicle body 10 is provided with a pedal unit sub-assembly mounting hole 74 as a pedal unit sub-assembly mounting portion that connects the engine room and the vehicle compartment. A cowl 76 extending in the vehicle width direction is provided on the upper portion of the dash panel 11, and a cowl reinforcement 77 is provided on the rear side of the cowl 76. A dash outer silencer 78 is attached to the front surface of the dash panel 11, and a dash inner silencer 80 is attached to the rear surface of the dash panel 11.

As shown in FIGS. 3 to 5, the pedal unit sub-assembly 12 has a base panel 18.
An outer silencer 20 is attached to a front side surface 18B on the engine room side (upper side in FIG. 3) of the base panel 18. A brake master cylinder 22 and a clutch master cylinder 24 are attached to the front side surface 18B of the base panel 18.

On the other hand, an accelerator cable bracket 34, a bracket 28 on which the brake pedal 26 is swingably supported, and a clutch pedal are provided on a rear side surface 18A of the base panel 18 on the vehicle compartment side (lower side in FIG. 3). A bracket 32 on which 30 is swingably supported is attached.
The bracket 28 is formed with a pair of legs 28A. Flange portions 28B are formed at the tip ends of these leg portions 28A, respectively.
Are welded to the base panel 18. Further, the bracket 32 is formed with a pair of legs 32A. Flange portions 32B are formed at the tip ends of these leg portions 32A, and these flange portions 32B are welded to the base panel 18.

The bracket 28 and the bracket 32 include
A steering support bracket 36 is installed, and an inner silencer 38 is attached to the rear side surface 18A of the base panel 18.

As shown in FIG. 3, in this inner silencer 38, along the direction of the leg portion 28A of the bracket 28 and the leg portion 32A of the bracket 32 (vertical direction of the vehicle body),
As shown in FIG. 6, a slit 40 having an opening at the lower end.
Are formed in plural. Each of the slits 40 includes a leg portion 28A of the bracket 28 and a leg portion 3 of the bracket 32.
2A, cylinder portion 22 of brake master cylinder 22
A, the cylinder portion 24A of the clutch master cylinder 24,
Also, it is formed at a portion corresponding to the neck portion 34A of the accelerator cable bracket 34.

Therefore, the bracket 2 is attached to the base panel 18.
8, the bracket 32, the brake master cylinder 22, the clutch master cylinder 24, the accelerator cable bracket 34, and the accelerator cable are attached, and then the leg portions 28A of the bracket 28 are inserted into the openings of the slits 40 of the inner silencer 38, and the inner silencer is inserted. By moving 38 along the direction of the slit 40, the inner silencer 38 can be easily assembled to the rear side surface 18A of the base panel 18.

As shown in FIG. 7, the steering support bracket 36 of the pedal unit sub-assembly 12 includes a bolt 82 and a nut 84, so that the cowl reinforcement 7 is provided.
The collar 37, which has been welded to the steering support bracket 36 in advance, is sandwiched between 7 and fastened from below the vehicle body.
Reference numeral 91 in FIG. 7 indicates a steering bending plate, and reference numeral 93 indicates a steering shaft.

As shown in FIG. 8, mounting holes 51 are formed in the outer peripheral edge of the rear side surface 18A of the base panel 18 at predetermined intervals in the circumferential direction. The base panel 18 also has a through hole 18 for the brake master cylinder.
C, a through hole 18D for the clutch master cylinder, a through hole 18E for the accelerator cable, and the like are provided.

As shown in FIG. 9, at the outer peripheral edge of the rear side surface 18A of the base panel 18, there is formed a groove 19 which is recessed forward along the outer peripheral edge of the vehicle body.
A groove portion 21 that is recessed rearward of the vehicle body is formed in an outer peripheral edge portion of the pedal unit sub-assembly mounting hole 74 of the dash panel 11 that faces the rear panel 9. An adhesive 50 is filled between the groove 19 and the groove 21 to bond the dash panel 11 and the base panel 18 together.

As shown in FIG. 8, in the mounting hole 51 formed in the upper portion of the base panel 18, as shown in FIG. 9, the peripheral edge portion of the pedal unit sub-assembly mounting hole 74 of the dash panel 11 is surrounded. The threaded portion 53A of the weld bolt 53 provided at a predetermined interval in the direction is inserted, and the base panel 18 is coupled to the dash panel 11 by the nut 55 as a fixing means screwed to the threaded portion 53A. Has been done.

On the other hand, as shown in FIG. 8, in the mounting holes 51 formed in the side and lower portions of the base panel 18, as shown in FIG. 10, the pedal unit of the dash panel 11 facing the mounting holes 51. Sub assembly mounting hole 74
A through hole 59 is formed in the outer peripheral edge portion of the, and a weld nut 61 is fixed coaxially with the through hole 59. A bolt 63 as a fixing means inserted into the mounting hole 51 of the base panel 18 is screwed into the weld nut 61 from the front side of the vehicle body, whereby the base panel 18 is coupled to the dash panel 11.

Next, a method of assembling the front portion 10A of the automobile body 10 of this embodiment will be described.

First, as shown in FIG. 1, the pedal unit sub-assembly 12 is attached to the dash panel 11 from the front of the vehicle body.
Pedal unit sub-assembly mounting hole 74 drilled in
Throw in.

In this case, as shown in FIG. 2 (B), the pedal unit sub-assembly 12 is rotated 90 ° in the pitching direction from the vehicle body mounted state shown in FIG. 2 (A),
Further, the brake pedal 26 and the clutch pedal 30 are rotated by 90 ° in the counterclockwise direction when viewed from the front of the vehicle body in the rolling direction, and the brake pedal 26 and the clutch pedal 30 are attached to the pedal unit sub-assembly mounting hole 7
Pass through 4.

Next, as shown in FIG. 2 (C), when the brake pedal 26 and the clutch pedal 30 are substantially half inserted into the pedal unit sub-assembly mounting holes 74, the pedal unit sub-assembly 12 is moved in the yawing direction (see FIG. 2 (A)). )
90 ° in the direction of arrow Y), and brake pedal 26
Then, the clutch pedal 30 is completely passed through the pedal unit sub-assembly mounting hole 74, and the state shown in FIG.
Then, as shown in FIG. 2 (E), the pedal unit sub-assembly 12 is moved in the rolling direction (arrow X in FIG. 2 (E)).
Direction) and rotated by 90 ° so that the vehicle body is attached as indicated by the phantom line in FIG. 2 (E).

In this state, as shown in FIG. 9, a nut 55 is screwed into the threaded portion 53A of the weld bolt 53 protruding from the mounting hole 51 of the base panel 18 from the front of the vehicle body, and as shown in FIG. Weld nut 6
A bolt 63 is screwed onto the vehicle body 1 from the front of the vehicle body to fix the pedal unit sub-assembly 12 to the dash panel 11.
The weld bolt 53 also functions as a retaining member for the pedal unit sub-assembly 12.

Further, as shown in FIG. 7, the steering support bracket 36 of the pedal unit sub-assembly 12 is fastened to the cowl reinforce 77 from below the vehicle body with the bolt 82 and the nut 84.

Next, as shown in FIG. 1, the air conditioner unit sub-assembly 14 is inserted into the vehicle body 10 from the side and assembled to the vehicle body 10, and the instrument panel unit sub-assembly 16 is inserted into the vehicle body 10 from the side. Then, it is assembled to the vehicle body 10, and the steering post 86 to which the steering wheel 85 is assembled is inserted into the vehicle body 10 from the side and assembled to the vehicle body 10.

Next, the operation of this embodiment will be described. In the method of assembling the vehicle body on the front part of the vehicle of this embodiment, the pedal unit sub-assembly 12 is attached to the pedal unit sub-assembly attachment hole 74 of the dash panel 11 from the front of the vehicle body. Therefore, the upper end portion (reservoir portion) 22A of the master cylinder 22 previously attached to the front side surface 18B of the base panel 18 of the pedal unit sub-assembly 12 does not interfere with the cowl 76 on the rear side of the dash panel 11. . Therefore, the pedal unit sub-assembly 12 can be assembled to the dash panel 11 without reducing the effective cross-sectional area of the cowl 76, and the dynamic pressure ventilation volume does not decrease.

Further, in the method of assembling the vehicle body on the front part of the vehicle of this embodiment, the nut 55 (see FIG. 9) and the bolt 63 (see FIG. 10) for fixing the pedal unit sub-assembly 12 in the pedal unit sub-assembly mounting hole 74. (See) is tightened from the front of the vehicle body, the tightening part does not become a difficult-to-see part below the cowl 76 and becomes a relatively bright and easily visible front side part of the dash panel 11, so that tightening workability is improved.

[0032]

The method of assembling the vehicle body on the front of the vehicle according to the present invention is as follows.
A method for assembling a pedal unit sub-assembly in which at least a pedal, a pedal bracket, and a master cylinder are mounted on a base panel to a pedal unit sub-assembly mounting portion of a dash panel, which is a method for assembling a pedal unit sub-assembly. The pedal unit is attached to the pedal unit sub-assembly mounting portion from the front of the vehicle body, and the fixing means for fixing the pedal unit sub-assembly to the pedal unit sub-assembly mounting portion is tightened from the front of the vehicle body, so that the effective ventilation cross-sectional area of the cowl is not reduced. It has an excellent effect that the unit sub-assembly can be attached to the dash panel.

[Brief description of drawings]

FIG. 1 is a perspective view of a front vehicle body structure of an automobile according to an embodiment of the present invention, as seen obliquely from the front of the vehicle body.

2A to 2E are explanatory views showing an assembling procedure of a pedal unit sub-assembly of a front body structure of an automobile according to an embodiment of the present invention.

FIG. 3 is a plan view showing a front body structure of an automobile according to an embodiment of the present invention.

FIG. 4 is a perspective view showing a pedal unit sub-assembly of a front vehicle body structure of an automobile according to an embodiment of the present invention as seen obliquely from the rear of the vehicle body.

FIG. 5 is an exploded perspective view of FIG.

FIG. 6 is a perspective view showing an inner silencer of a front vehicle body structure of an automobile according to an embodiment of the present invention as seen obliquely from the rear of the vehicle body.

FIG. 7 is a side sectional view showing an assembled state of a pedal unit sub-assembly of a front body structure of an automobile according to an embodiment of the present invention to a vehicle body.

FIG. 8 is a front view of the base plate of the pedal unit sub-assembly of the front vehicle body structure of the automobile according to the embodiment of the present invention, as viewed from the rear of the vehicle body.

9 is a sectional view taken along line 9-9 of FIG.

10 is a sectional view taken along line 10-10 of FIG.

FIG. 11 is an exploded perspective view showing a dash panel of a front body structure of an automobile according to an embodiment of the present invention as seen obliquely from the rear of the vehicle body.

FIG. 12 is a side sectional view showing a front body structure of an automobile according to a conventional example.

[Explanation of symbols]

10 vehicle body 11 dash panel 12 pedal unit sub-assembly 18 base panel 22 brake master cylinder 24 clutch master cylinder 26 brake pedal 28 bracket 30 clutch pedal 32 bracket 55 nut (fixing means) 63 bolt (fixing means) 74 pedal unit sub-assembly mounting hole (Pedal unit sub-assembly mounting part) 76 cowls

Claims (1)

[Claims] 1. A method of assembling a vehicle body in a front part of a vehicle, comprising: assembling a pedal unit sub-assembly having a base panel, at least a pedal, a pedal bracket, and a master cylinder attached to a pedal unit sub-assembly mounting portion of a dash panel. The pedal unit sub-assembly is mounted to the pedal unit sub-assembly mounting portion from the front of the vehicle body, and a fixing means for fixing the pedal unit sub-assembly to the pedal unit sub-assembly mounting portion is tightened from the front of the vehicle body. How to assemble the car body on the front of the car.