JP3106885B2 - Mounting structure of rear wiper motor for vehicles - Google Patents

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 shown in FIG. 3, a rear wiper 33 is directly attached to a window panel 32 of a back door 31 as shown in FIG.

[0003] A rear wiper motor 34 for driving the rear wiper 33 is provided on the lower side of the opening D1 in the vehicle cabin by a mounting structure as shown in FIG.

In the figure, reference numeral 35 denotes an outer panel, and reference numeral 3
Reference numeral 6 denotes an inner panel.
A reinforcement 37 is disposed between the inner panel 36 and the inner panel 36, and a closed section H <b> 1 is formed by the inner panel 36 and the reinforcement 37.

[0005] The upper end (edge) of the outer panel 35, the inner panel 36, and the reinforcement 37 are overlapped and spot-welded (S1).
Are spot-welded (S2), and the lower side thereof is spot-welded (S3) to the inner panel 36 and the reinforcement 37.

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

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

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

Incidentally, as this kind, there is one described in Japanese Utility Model Laid-Open No. 5-13817, for example.

[0010]

However, in such a conventional mounting structure of the rear wiper motor 34, only one closed section H1 is formed by the inner panel 36 and the reinforcement 37. Further, since the bracket 38 is fastened to the overlapping surfaces 36a, 37a with bolts 39 on a plane, the rigidity of mounting the rear wiper motor 34 is low, and when closing the back door 31, the rear wiper motor 34 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 must be separately attached.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a mounting structure of a rear wiper motor for a vehicle which has a high mounting rigidity of the rear wiper motor and does not require a finisher.

[0013]

SUMMARY OF THE INVENTION The present invention has been made in view of such a problem, and an invention according to claim 1 is provided with a window panel at an opening of a back door having an outer panel and an inner panel. Is disposed, and a rear wiper motor for a vehicle is mounted on a vehicle interior side of a lower peripheral portion of the opening, wherein an edge of the lower peripheral portion of the outer panel and the lower peripheral portion of the inner panel are provided. And the outer panel and the inner panel are joined on the back side of the license plate located below these edges to form a first closed cross-section, (1) A reinforcement is disposed in a closed cross section, and upper and lower ends of the reinforcement are connected to an edge-side joint between the outer panel and the inner panel; And a second closed cross-section part, which is separated by the joint surface and surrounded by the inner panel and the reinforce. 3 closed cross-section, and these second closed cross-section and third
Closed-section portion and reinforced pre SL in the first closed section portion by
On Napaneru, characterized in that the bracket before Symbol rear wiper motor.

According to a second aspect of the present invention, a plurality of mounting end faces are formed on the bracket, and at least one of the mounting end faces is formed.
The end face is attached to the inner surface to which the reinforcement is joined.
ー Attach to one surface of the panel and one of the other
The inner end of the inner end forming the second closed section.
The non-coplanar and non-coplanar with the one plane
It is characterized by being attached to another plane arranged in parallel .

[0015]

According to the first aspect of the present invention, the outer panel and the inner panel have a first closed cross-section,
It is formed and the second closed cross-section portion and the third closed cross-section portion is, these first
The second closed section and the third section reinforced by the third section;
(1) Since the bracket of the rear wiper motor is mounted on the inner panel of the closed cross section, the rigidity of mounting the rear wiper motor is increased by these closed cross sections,
When the rear wiper motor swings when closing the back door,
Vibration during driving of the rear wiper motor can be prevented.

Further, since the outer panel, the inner panel and the reinforce are joined on the back side of the license plate, the joint is covered by attaching the license plate to this joint, as in the prior art. , There is no need to separately install a finisher.

According to the invention described in claim 2, in addition to the effect of the invention described in claim 1, a plurality of mounting end faces of the bracket are arranged on a non-coplanar surface of the inner panel.
And non-parallel, ie, three-dimensionally different angles
Since the rear wiper motors are mounted on the planes arranged at different degrees , the rear wiper motor is held three-dimensionally, and the mounting stability is further improved.

[0018]

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

FIG. 1 and FIG. 2 show an embodiment of the present invention.

FIG. 1 is a cross-sectional view showing a lower part of an opening D2 of the back door 1. This 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 projects 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 bulging out of the vehicle, and under the outer panel 5,
A license plate mounting plate 10 is mounted.

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 swells toward the passenger compartment, and a reinforce 7 is provided between the inner panel 6 and the outer panel 5.

That is, the edge 6a of the inner panel 6
Are spot-welded (W1) so as to overlap the edge 5a of the outer panel 5 and the upper end 7a of the reinforcement 7. The lower end 6b (license plate side joint) is overlapped on the license plate mounting plate 10 and the lower end 7b of the reinforcement 7 and spot-welded (W2), so that the inner panel 6 and the outer panel 5 are welded.
A first closed section H2 is formed.

Further, the upper inner panel 6, as shown in FIG. 2, the central portion with respect to the vehicle width direction is curved downward, in the both sides, the first joint surface 6 of the other plane
c is formed, and further, swells toward the passenger compartment side at the center .
A second joint surface 6d as one plane is formed.

The upper part of the reinforce 7 also has a central part,
It curves further downward than the inner panel 6, and has a first joining surface 7c formed on both sides thereof.
A second joint surface 7d bulging toward the vehicle compartment is formed.

The first joint surfaces 6c, 7c and the second joint surfaces 6d, 7d are arranged on a non-coplanar plane and non-parallel.
It is, ie, are placed set at different angles in three dimensions.

Then, in the inner panel 6 and the reinforcement 7, the first joint surfaces 6c, 7c abut against each other,
Further, the second joint surfaces 6d and 7d abut each other, thereby forming the second closed section H3 and the third closed section H4 in the first closed section H2.

On the other hand, a bracket 8 is attached to the rear wiper motor 4. In this bracket 8,
Three mounting end faces 8a, 8a, and 8b are formed at the tips.
A pair of leg portions 8c, 8c, and 8d provided with respective mounting end surface 8 a of these, 8a, and 8b are, first joint surface 6c, 7
c and the second joint surfaces 6d, 7d, the bolts 12a,
By 12b, is fastened concluded, the first closed-section portion
Of H2, reinforced by the second closed section H3
That is attached to the inner panel 6.

Further, the license plate 9 is mounted on the license plate mounting 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 configuration, the first closed section H2 formed by the outer panel 5 and the inner panel 6 is disposed inside the second closed section H3.
And the third closed section H4 are formed, and the bracket 8 of the rear wiper motor 4 is mounted on the first closed section H2 reinforced by the second and third closed sections H3, H4. The rigidity of the rear wiper motor 4 is increased by these closed cross-sections H2 to H4,
The swing of the rear wiper motor 4 when closing the door and the generation of vibration when the rear wiper motor 4 is driven can be prevented.

Further, each mounting end face 8a of the bracket 8
Are attached to the bolts 12a and 12b on the first joint surfaces 6c and 7c and the second joint surfaces 6d and 7d which are arranged and set three-dimensionally.
Accordingly because it is concluded, the rear wiper motor 4 3
The mounting stability is further improved as compared with the case where it is held in a two-dimensional manner and is conventionally held two-dimensionally.

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

On the other hand, since the outer panel 5, the inner panel 4, and the reinforcement 7 are joined (spot welding W2) on the license plate attachment plate 10, the license plate 9 is attached to the license plate attachment plate 10. Since the spot welding point W2 is covered, there is no need to separately attach the finisher 40 as in the related art.

[0035]

As described above, according to the first aspect of the present invention, the second closed section and the third closed section are formed in the first closed section by the outer panel and the inner panel. Are formed, and the second closed section and the third closed section are formed.
Inner part of the first closed cross-section part reinforced by
Since the bracket of the rear wiper motor is mounted on the panel, the rigidity of mounting the rear wiper motor is increased by these closed cross sections, and the swing of the rear wiper motor when closing the back door, Vibration can be prevented.

Further, since the outer panel, the inner panel, and the reinforcement are joined on the back side of the license plate, the joining portion is covered by attaching the license plate to the joining portion. , There is no need to separately install a finisher.

According to the invention described in claim 2, in addition to the effect of the invention described in claim 1, in addition to the above , the plurality of mounting end faces of the bracket are arranged on a non-coplanar surface of the inner panel.
And non-parallel, ie, three-dimensionally different angles
Since the rear wiper motors are mounted on the planes arranged at different degrees , the rear wiper motor is held three-dimensionally, and the mounting stability is further improved.

[Brief description of the drawings]

FIG. 1 is a cross-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 cross-sectional view taken along the line AA in FIG. 3 showing a mounting structure of a conventional rear wiper motor for a vehicle.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Back door 2 Window panel 3 Rear wiper 4 Rear wiper motor 5 Outer panel 5a Edge 6 Inner panel 6a Edge 6c 1st joining surface (other plane) 6d 2nd joining surface (one plane) 7 Reinforce 7c 1 joint surface 7d second joint surface (central portion) 8 bracket 9 license plate 10 license plate mounting plate H2 first closed section H3 second closed section H4 third closed section D2 opening

──────────────────────────────────────────────────続 き Continued on the front page (56) References JP-A-60-42142 (JP, A) JP-A 61-172848 (JP, U) JP-A 5-13817 (JP, U) JP-A 61-172 169662 (JP, U) JP-A-3-113264 (JP, U) (58) Field surveyed (Int. Cl. ⁷ , DB name) B60S 1/58 B60J 5/10

Claims (2)

(57) [Claims] 1. A structure in which a window panel is disposed in an opening of a back door having an outer panel and an inner panel, and a rear wiper motor for a vehicle is mounted on a vehicle interior side of a lower peripheral portion of the opening. Of the lower peripheral edge of the inner panel and the edge of the lower peripheral edge of the inner panel, and at the back side of the license plate located below these edges, the outer panel And the inner panel are joined to form a first closed cross-section, a reinforcement is disposed in the first closed cross-section, and upper and lower ends of the reinforcement are connected to the outer panel and the inner panel. At the edge portion side joint portion and the license plate side joint portion, and further, the center portion of the reinforce is joined to the inner panel, Partitioned by mating surface, wherein forming a second closed cross-section portion and a third closed cross-section portion surrounded by the inner panel and the reinforcement, reinforced by the these second closed-section portion and a third closed cross-section portion
Mounting structure before SL on the inner panel of the first closed section portion, before Symbol rear wiper motor for a vehicle, characterized in that the mounting bracket of the rear wiper motor has. 2. A plurality of mounting end faces are formed on the bracket, and at least one of the mounting end faces is connected to the rainbow.
On one plane of the inner panel
At the same time, attach any other mounting end face to the second
One of the inner panels constituting the closed cross section,
Other planes that are non-coplanar and non-parallel to
Mounting structure of the rear wiper motor for a vehicle according to claim 1, characterized in that attached to.