JPH08164826A - Vehicular rear wiper motor fitting structure - Google Patents

Abstract

PURPOSE: To provide vehicular rear wiper motor fitting structure high in rear wiper motor fitting rigidity and dispensing with a finisher. CONSTITUTION: The edge part 5a of an outer panel 5 and the edge part 6a of an inner panel 6 are jointed to each other, and the outer panel 5 and the inner panel 6 are jointed to each other on the back side of the license plate 9, positioned on the lower side of the edge parts 5a, 6a, so as to form a first closed cross section part H2. A reinforcement 7 is disposed in the first closed cross section part H2, and the upper and lower end parts 7a, 7b of the reinforcement 7 are jointed to the edge parts 5a, 6a and a license plate fitting plate 10. The second faying surface 7d (center part) of the reinforcement 7 is further jointed to the inner panel 6 so as to form second and third closed cross section parts H3, H4, and the bracket 8 of a rear wiper motor 4 is fitted onto the first closed cross section part H2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting structure for a rear wiper motor mounted on a back door of an automobile.

[0002]

2. Description of the Related Art Conventionally, as this type, as shown in FIG. 3, a rear wiper 33 is directly attached to a window panel 32 of a back door 31.

The rear wiper motor 34 for driving the rear wiper 33 is arranged on the vehicle interior side of the lower peripheral edge of the opening D1 by the mounting structure as shown in FIG.

In the figure, reference numeral 35 is an outer panel, reference numeral 3
6 is an inner panel, and this outer panel 35
A reinforcement 37 is disposed between the inner panel 36 and the inner panel 36, and the inner panel 36 and the reinforcement 37 form a closed cross-section portion H1.

The outer panel 35, the inner panel 36, and the upper end portion (end edge portion) of the reinforcement 37 are spot-welded (S1) by stacking three sheets, and on the lower side thereof, the outer panel 35 and the reinforcement 37 are provided.
Are spot-welded (S2), and the inner panel 36 and the reinforcement 37 are spot-welded (S3) on the lower side.

A bracket 38 attached to the rear wiper motor 34 is attached to the bolts 3 on the overlapping surfaces 36a, 37a of the inner panel 36 and the reinforcement 37.
9 have been concluded. The overlapping surfaces 36a and 37a are flat, and the bolt 39 is fastened at three positions.

On the other hand, the pivot shaft 34a of the rear wiper motor 34 is projected from the lower side portion 32a of the window panel 32 to the outside of the vehicle, and the rear wiper 33 is attached to the pivot shaft 34a.

Reference numeral 40 in the figure denotes a spot welding point S.
It is a finisher for covering 1, S2 and the like.

An example of this type is disclosed in Japanese Utility Model Publication No. 5-13817.

[0010]

However, in such a conventional mounting structure of the rear wiper motor 34, only one closed cross section H1 is formed by the inner panel 36 and the reinforcement 37. Also, since the bracket 38 is flatly fastened to the overlapping surfaces 36a and 37a by the bolts 39, the mounting rigidity of the rear wiper motor 34 is low, and the rear wiper motor 34 sways when the back door 31 is closed. There is a problem that vibration occurs when the wiper motor 34 is driven.

Further, in order to cover the spot welding points S1 and S2 and maintain the appearance quality, the finisher 40 had to be attached separately.

Therefore, an object of the present invention is to provide a mounting structure for a rear wiper motor for a vehicle, which has a high mounting rigidity for the rear wiper motor and does not require a finisher.

[0013]

The present invention has been made in view of such a problem, and the invention according to claim 1 is a window panel in an opening of a back door having an outer panel and an inner panel. And a rear wiper motor for a vehicle is attached to a vehicle interior side of a lower peripheral edge of the opening, an end edge of the lower peripheral edge of the outer panel and the lower peripheral edge of the inner panel. The outer panel and the inner panel are joined together to form a first closed cross-section portion on the back side of the license plate located below these edge portions. 1 Reinforcement is arranged in a closed cross section, and upper and lower end portions of the reinforcement are joined to an edge side joint between the outer panel and the inner panel, and the license plate. Joined at the joining portion, further,
The center portion of the reinforcement is joined to the inner panel, and the second closed cross-section portion and the third portion are separated by the joining surface and are surrounded by the inner panel and the reinforcement.
And a bracket of the rear wiper motor is mounted on the first closed cross section.

According to a second aspect of the present invention, a plurality of mounting end faces are formed on the bracket, and the mounting end faces are mounted on different planes on the first closed cross section.

[0015]

According to the invention described in claim 1, in the first closed cross-section portion by the outer panel and the inner panel,
A second closed cross section and a third closed cross section are formed, and the second,
Since the bracket of the rear wiper motor is mounted on the first closed cross-section portion reinforced by the third closed cross-section portion, these closed cross-section portions increase the mounting rigidity of the rear wiper motor, and when the back door is closed. It is possible to prevent shaking of the rear wiper motor and generation of vibration when the rear wiper motor is driven.

Further, since the outer panel, the inner panel and the reinforcement are joined to each other on the back side of the license plate, by attaching the license plate to this joined portion, the joined portion is covered and the conventional structure is achieved. , It is not necessary to attach a finisher separately.

According to the invention described in claim 2, in addition to the function of the invention described in claim 1, since a plurality of mounting end surfaces of the bracket are mounted on different planes on the first closed cross section, The rear wiper motor is held three-dimensionally, and mounting stability is further enhanced.

[0018]

Embodiments of the present invention will be described below with reference to the drawings.

1 and 2 show one embodiment of the present invention.

FIG. 1 is a cross-sectional view showing the lower side of the opening D2 of the back door 1. The back door 1 has an outer panel 5, an inner panel 6 and a reinforcement 7,
The rear wiper motor 4 is attached to the inner panel 6 via a bracket 8. The pivot shaft 4a of the rear wiper motor 4 is projected from the window panel 2 to the outside of the vehicle, and the rear wiper 3 is attached to the pivot shaft 4a.

The outer panel 5 has its end edge 5a side bulged to the outside of the vehicle.
A license plate attachment plate 10 is attached.

Also, the license plate mounting plate 10
A seal 11 for rust prevention is attached to the boundary between the front end portion 10a and the outer panel 5.

The inner panel 6 is bulged toward the passenger compartment, and a reinforcement 7 is arranged between the inner panel 6 and the outer panel 5.

That is, the edge 6a of the inner panel 6
Is spot-welded (W1) on the edge 5a of the outer panel 5 and the upper end 7a of the reinforcement 7. The lower end portion 6b (license plate side joint portion) is overlapped with the license plate mounting plate 10 and the lower end portion 7b of the reinforcement 7 and spot-welded (W2) to form the inner panel 6 and the outer panel 5.
To form a first closed cross section H2.

As shown in FIG. 2, the center of the upper side of the inner panel 6 is curved downward with respect to the vehicle width direction, and the first joint surfaces 6c are formed on both sides thereof.
Further, in the central portion, the second joint surface 6d bulging toward the passenger compartment side
Are formed.

The center of the upper side of the reinforcement 7 is also
It curves further downward than the inner panel 6, the first joint surfaces 7c are formed on both sides of the inner panel 6, and further, in the central portion,
A second joint surface 7d that bulges toward the passenger compartment is formed.

The first joint surfaces 6c and 7c and the second joint surfaces 6d and 7d are arranged on a non-coplanar plane, that is, three-dimensionally arranged.

Then, in the inner panel 6 and the reinforcement 7, the first joint surfaces 6c and 7c contact each other,
Further, the second joint surfaces 6d and 7d are in contact with each other, so that the second closed cross section H3 and the third closed cross section H4 are formed in the first closed cross section H2.

On the other hand, a bracket 8 is attached to the rear wiper motor 4. This bracket 8 has
Three mounting end faces 8a are formed, and each of these mounting end faces 8a is formed.
The bolt 12 is fastened to the first joint surface 6c, 7c and the second joint surface 6d, 7d.

Further, the license plate 9 is attached to the license plate attaching plate 10 so that the spot welding point W2 cannot be seen from the outside.

In the mounting structure of the rear wiper motor 4 having such a structure, the second closed cross section H3 is formed within the first closed cross section H2 formed by the outer panel 5 and the inner panel 6.
And a third closed cross section H4 are formed, and the bracket 8 of the rear wiper motor 4 is mounted on the first closed cross section H2 reinforced by the second and third closed cross sections H3, H4. By these closed cross-sections H2 to H4, the mounting rigidity of the rear wiper motor 4 is increased, and the back door 1
It is possible to prevent the rear wiper motor 4 from swaying when closing the vehicle, and the vibration from occurring when the rear wiper motor 4 is driven.

Further, each mounting end surface 8a of the bracket 8
However, since the bolts 12 are fastened to the first joint surfaces 6c and 7c and the second joint surfaces 6d and 7d that are three-dimensionally arranged and set, the rear wiper motor 4 is three-dimensionally held,
The mounting stability is further enhanced as compared with the conventional case where the device is held flat.

Further, when the back door 1 is closed or when the rear wiper motor 4 is driven, the stress caused by the second and third closed cross-sections H is
3, because it is absorbed by H4, this stress causes
The seal 11 does not peel off.

On the other hand, in the license plate mounting plate 10, the outer panel 5, the inner panel 4 and the reinforcement 7 are joined (spot welding W2), so that the license plate 9 is mounted on the license plate mounting plate 10. Since the spot welding point W2 is covered, it is not necessary to attach the finisher 40 separately as in the conventional case.

[0035]

As described above, according to the invention described in claim 1, the second closed cross section and the third closed cross section are provided in the first closed cross section formed by the outer panel and the inner panel. Since the bracket of the rear wiper motor is mounted on the first closed cross-section portion reinforced by the second and third closed cross-section portions, the mounting rigidity of the rear wiper motor is increased by these closed cross-section portions. It is possible to prevent the rear wiper motor from swaying when the back door is closed and the generation of vibration when the rear wiper motor is driven.

Further, since the outer panel, the inner panel and the reinforcement are joined to each other on the back side of the license plate, by attaching the license plate to this joint portion, the joint portion is covered, which is the same as in the conventional case. , It is not necessary to attach a finisher separately.

According to the invention described in claim 2, in addition to the effect of the invention described in claim 1, since a plurality of mounting end surfaces of the bracket are mounted on different planes on the first closed cross section, The rear wiper motor is held three-dimensionally, and mounting stability is further enhanced.

[Brief description of drawings]

1 is a sectional view corresponding to FIG. 4, showing a mounting structure of a vehicle rear wiper motor according to an embodiment of the present invention.

FIG. 2 is a perspective view showing a combined state of an inner panel and a reinforcement in the same embodiment.

FIG. 3 is a rear perspective view of an automobile having a back door.

FIG. 4 is a sectional view taken along the line AA in FIG. 3, showing a mounting structure of a vehicle rear wiper motor in a conventional example.

[Explanation of symbols]

 1 Back Door 2 Window Panel 3 Rear Wiper 4 Rear Wiper Motor 5 Outer Panel 5a Edge Edge 6 Inner Panel 6a Edge Edge 6c First Joint Surface 6d Second Joint Surface 7 Reinforce 7c First Joint Surface 7d Second Joint Surface (Center) 8 Bracket 9 License plate 10 License plate mounting plate H2 First closed cross section H3 Second closed cross section H4 Third closed cross section D2 Opening

Claims (2)

[Claims] 1. A window panel is provided in an opening of a back door having an outer panel and an inner panel,
In a structure for mounting a vehicle rear wiper motor on a vehicle interior side of a lower peripheral edge portion of the opening, an edge portion of the lower peripheral edge portion of the outer panel and an edge portion of the lower peripheral edge portion of the inner panel. Are joined together, and the outer panel and the inner panel are joined together on the back side of the license plate located below these end edges to form a first closed cross section, and in the first closed cross section, Reinforce is provided, and the upper and lower end portions of the reinforcement are joined at the edge portion side joint portion between the outer panel and the inner panel and the license plate side joint portion. A second closed cross-section part and a third closed part which are joined to the inner panel by a central part thereof and are partitioned by the joined surface to be surrounded by the inner panel and the reinforcement. A Department formed, the upper in the first closed cross-section portion, the mounting structure of the rear wiper motor for a vehicle, characterized in that the mounting bracket of the rear wiper motor. 2. The rear wiper for a vehicle according to claim 1, wherein a plurality of mounting end surfaces are formed on the bracket, and the mounting end surfaces are mounted on different planes on the first closed cross section. Motor mounting structure.