JP2002002286A - Automotive doors and automotive door modules - Google Patents

Abstract

[PROBLEMS] To provide an automobile door and an automobile door module which are high in productivity and have improved strength while suppressing an increase in weight and complicated assembly work. A vehicle door (10) and a vehicle door module (30) of the present invention have a lower frame (33) made of a member having a U-shaped cross section and an upper frame (23) made of a member having a cross section different from the lower frame. Module frame 31 is provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to an automobile door and an automobile door module.

[0002]

2. Description of the Related Art Generally, a door for an automobile is a door body having a glass plate (a plate material for a window) for opening and closing a window opening, and a storage portion disposed below the window opening and capable of storing the glass plate. And a window regulator (elevating means) for elevating and lowering the glass plate between the window opening and the storage part.
Recently, in order to simplify the assembly process, modularization of members constituting an automobile door has been promoted.

[0003] An automobile door 70 shown in FIG. 7 is constructed by attaching a door module 90 to a door body 73 which is openably and closably attached to a vehicle body (not shown). The door body 73 includes an inner panel 71 and an outer panel 72. An inner panel 71 is attached to the inner side surface of the outer panel 72 by welding or the like so that a space (storage portion) 78 is formed therebetween. The inner panel 71 has a mounting opening 76 for inserting the glass plate 20 of the door module 90 into the storage portion 78.
Is provided. The inner panel 71 has a mounting hole 79 for mounting the door module 90 at a predetermined position.
a to 79d are provided.

Above the door body 73, a frame-shaped sash 77 is protruded. Here, the window opening 21 is defined in a portion surrounded by the sash 77 and the belt line 73a of the door body 73. Although not shown, in the case of a so-called hard-top type automobile, a window opening is formed in a portion surrounded by a vehicle body when the door is closed and a belt line of the door main body.

[0005] The door module 90 has a module frame 91 in which door fitting parts such as the glass plate 20 and the lifting / lowering means 81 are integrally held. The module frame 91 is formed by bending a single band-shaped flat frame 92 so as to have a substantially rectangular shape in a side view.
Brackets 93a to 93
d is provided. Brackets 93a to 93d
Are provided with mounting holes 94a to 94d.

The elevating means 81 includes a support member 85 for supporting the glass plate 20 and a motor 82 for moving the support member 85 along a guide rail 86. Guide rail 8
6 is attached to the module frame 91 by fixing means 95a penetrating the upper side of the frame 92 and the upper end of the guide rail 86, and fixing means 95b penetrating the lower side of the frame 92 and the lower end of the guide rail 86. The motor 82 is attached to the module frame 91 via a motor board 83. Further, the module frame 91 has a guide member 9 for guiding the elevation of the glass plate 20.
Locking means 97 for locking the door 70 with respect to the vehicle body 6a and 96b are attached.

To attach the door module 90 to the door body 73, first, the glass plate 20
Through the mounting opening 76 of the inner panel 71.
Insert into 8. Next, the brackets 93a to 93d of the door module 90 are arranged on the inner side surface of the inner panel 71, and the mounting holes 79a to 79d of the inner panel 71 are mounted.
9d position and mounting holes 94a of brackets 93a-93d
Align with the position of ~ 94d. Then, fixing means such as clips are attached to the mounting holes 94a to 94b of the brackets 93a to 93d.
94d and mounting holes 79a to 79d of the inner panel 71
Through the door body 90 so that the door module 90
3 attached.

[0008]

In the above-described door 70 for an automobile, the module frame 91 of the door module 90 is formed by bending at least three times a single frame 92 of a band-shaped flat plate in a side view. However, such a bending process is complicated, and improvement has been desired for improving productivity.

Further, it has been desired that the module frame 91 be improved in strength. If the thickness of the module frame 91 is simply increased, the door module 90 becomes heavy. Further, if the module frame 91 is formed of a frame having a closed loop cross section such as a cylindrical shape, the door module 90 becomes heavy, and the work of attaching the door fitting parts to the module frame 91 becomes complicated. The work of attaching to the door body 73 may be complicated.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has as its object to improve the strength of a car door and a car with high productivity, while suppressing an increase in weight and complicated assembly work. Door module.

[0011]

SUMMARY OF THE INVENTION In order to achieve the above-mentioned object, the present invention provides a storage portion which is disposed adjacent to a window opening of an automobile and which can store a window plate for opening and closing the window opening. A door having a door body having at least a door fitting part including at least a window plate and a moving means for moving the window plate between the window opening and the storage portion, the door fitting being integrally held by a module frame. In an automobile door to which a module is attached, the module frame is formed by connecting a plurality of frames so as to be annular in a side view, and one lower frame constituting at least a lower side of the module frame, A U-shaped cross section having a first back plate disposed outside the vehicle, and a pair of first side plates erected inside the vehicle from the first back plate so as to be spaced apart from each other. Consists of members, arranged cross-sectional shape of the upper frame other than the lower frame provides a car door, characterized in that is different from the arrangement cross-section of the lower frame.

According to another aspect of the present invention, there is provided a door fitting including at least a window plate for opening and closing a window opening of an automobile, and a moving unit for moving the window plate. A module frame for holding parts, wherein the door outfitting part is integrated with the module frame, and is disposed adjacent to the window opening and has a storage part capable of storing the window plate material. In the automotive door module that can be attached, the module frame is formed by connecting a plurality of frames so as to be annular in a side view, and one lower frame constituting at least a lower side of the module frame is When attached to the door body, the first back plate arranged outside the vehicle, the car from the first back plate so as to be spaced apart from each other It is composed of a member having a U-shaped cross section having a pair of first side plates erected on the side, and the arrangement cross-sectional shape of the upper frame other than the lower frame is different from the arrangement cross-sectional shape of the lower frame. To provide a door module for an automobile.

In this specification, "viewing from the side" refers to the case where it is viewed in the direction penetrating the window plate (the thickness direction of the window plate). “The arrangement cross-sectional shapes are different” means that the cross-sectional shapes including the directions in which the upper frame and the lower frame are arranged are different in a state where the module frame is formed. That is, in addition to the case where the cross-sectional shape of the upper frame and the cross-sectional shape of the lower frame are different from any direction, even if the cross-sectional shape of the upper frame and the cross-sectional shape of the lower frame are the same, This also includes the case where only the direction of the cross-sectional shape is different in a state where the module frame is formed. For example, when the cross-sectional shape of the upper frame is a U-shape similar to that of the lower frame, and the direction in which the side plate of the upper frame protrudes is different from the direction in which the side plate of the lower frame protrudes, the message “the arrangement cross-sectional shape is Is different. " The “annular” form is not limited,
A rectangular shape can be exemplified.

As the lower frame, a straight frame may be used in a side view, but a curved or bent frame may be used in a side view. According to the automobile door and the door module of the present invention, the module frame is formed so as to be annular in a side view by connecting a plurality of frames, so that the number of times of bending for one frame is reduced. And bending can be simplified. Further, the lower frame is formed into a U-shaped section (corner C) having a first back plate and a pair of first side plates erected on the back plate.
By forming the frame in the shape of a letter, the strength of the module frame is improved while suppressing an increase in weight.

Further, the first back plate of the lower frame is disposed outside the vehicle, and a space is provided between the pair of first side plates standing upright toward the vehicle interior. Since the inner side surface of the vehicle is open, the first back plate and the upper frame can be easily fixed by spot welding or bolt fastening. That is, the module frame can be easily manufactured. Therefore, this automobile door has high productivity, has improved strength while suppressing an increase in weight and complicated assembly work, and has high operation reliability of door fitting parts.

In the automobile door and door module according to the present invention, it is preferable that the electric wire is laid in the U-shaped concave portion of the lower frame. A large number of electric wires (so-called wire harnesses, etc.) are routed inside an automobile door in order to supply power to door fitting parts and transmit sensor signals. By laying the wires in the U-shaped concave portion of the module frame, these wires can be easily and reliably routed. In addition, the U-shaped concave portion can guide a long member other than the electric wire. The lower frame can be manufactured by extruding aluminum or the like. That is, the first back plate and the first side plate erected from the back plate are extruded integrally,
Cut to length. The U-shaped recess is defined by the first back plate and the first side plate.

In the vehicle door and the door module according to the present invention, the upper frame is erected from the second back plate to the outside of the vehicle so as to be spaced apart from the second back plate disposed inside the vehicle. It is preferable that the second frame is formed of a member having a U-shaped cross section having a pair of second side plates, and the second back plate of the upper frame and the first back plate of the lower frame are joined. This makes it possible to easily fix the back plates of the upper frame having the U-shaped cross section with the outer side surface opened and the lower frame having the U-shaped cross section with the inner side surface opened by spot welding, bolting, or the like.

Further, if the module frame is formed by connecting two frames having the same shape in a side view, which are, for example, substantially L-shaped or substantially U-shaped in a side view, an annular module in a side view is provided. A frame can be easily obtained.

[0019]

Embodiments of the present invention will be described below with reference to the drawings. In addition, about the member etc. which have the same structure and effect as the member etc. already demonstrated, description is simplified or abbreviate | omitted by attaching the same code | symbol or an equivalent code | symbol in a figure.

Although the vehicle door 10 in the first embodiment shown in FIG. 1 is for a front seat of an automobile, the present invention can be adopted for a rear seat. In this specification, "front" and "rear" are used to indicate directions and positions.
"Top", "Bottom", "Inside" and "Outside" are "Front" when the car door or car door module is attached to the body of the car
It means “after”, “above”, “below”, “inside”, and “outside”.

The vehicle door 10 is constructed by attaching a door module 30 to a door body 13 which is openably and closably attached to a vehicle body (not shown) via a connecting portion 15 provided on the front side thereof. . The inner panel 11 and the outer panel 12 of the door body 13 hold the storage portion 1 between each other.
8 are integrated. The inner panel 11 is provided with a substantially rectangular mounting opening 16 in a side view. At the upper end of the door body 13, along a belt line 13 a, an elevating opening 14 of a glass plate 20 as a window plate is provided with an upper side of the inner panel 11 and an outer panel 12.
And the upper side. Further, a sash 17 is provided at an upper end of the door body 13.

The sash 17 includes a first sash 17a along the front pillar and the roof of the vehicle body, a second sash 17b connected to one end (right end in the drawing) of the first sash 17a, and a first sash 17b along the center pillar. Sash 17
and a third sash 17c connected to the other end of the sash 17c. The second sash 17b and the third sash 17c are substantially straight and parallel to each other. First sash 1
The window opening 21 is defined by 7a, the second sash 17b, the third sash 17c, and the belt line 13a of the door body 13.

The door module 30 has a module frame 31 integrally holding a glass outfit 20 such as a glass plate 20 and an elevating means 27 as means for moving the glass plate 20. The module frame 31 has a substantially U-shaped upper frame 32 and a substantially linear lower frame 33 in a side view. The upper frame 32 has a front side 32a,
It includes an upper side 32b and a rear side 32c, and is formed by bending a band-shaped flat plate having a predetermined length. On the other hand, the lower frame 33 is formed of a U-shaped member having a back plate 33a and a pair of side plates 33b erected from the back plate 33a.

The module frame 31 of this embodiment is formed from a member obtained by extrusion of aluminum. The upper frame 32 obtains a long frame having a constant cross-sectional shape (rectangular shape) by extrusion molding of aluminum.
It is formed by subjecting a single member cut to a predetermined dimension to bending twice. The lower frame 33 is a single member obtained by extruding aluminum to obtain a long frame including a back plate 31a and a pair of side plates 31b having a constant U-shaped cross section and a pair of side plates 31b.

The upper frame 32 has a lower end of the front side 32a and a lower end of the rear side 32c opposite to the side of the lower frame 33 on which the side plate 31b of the back plate 31a stands (outside surface of the vehicle).
It is arranged at the front end and the rear end on the upper side, and is fixed by spot welding. Thus, the module frame 31 has a substantially rectangular shape in a side view.

Elevating means (wire type regulator) 27
Is a support member (not shown) that supports the glass plate 20 at the lower end, a guide rail 26 that extends along the vertical direction (up and down direction) of the glass plate 20 and slides and guides the support member, and moves the support member. And a motor 22 for driving the motor. The upper end of the guide rail 26 is fixed substantially at the center of the upper side 32 b of the upper frame 32 in the longitudinal direction (left-right direction in the drawing), and the lower end is fixed to the approximate center of the back plate 33 a of the lower frame 33 in the longitudinal direction of the vehicle. Have been. The motor 22 is fixed to a motor board 23. The motor substrate 23 has an end
The upper frame 32 is fixed to the front side 32a and the upper side 32c by spot welding.

Further, separate brackets 34a to 34d are attached to the module frame 31. The brackets 34a and 34b are connected to the upper side 32 of the upper frame 32.
b, are disposed on the front and rear sides of the guide rail 26 on the inner side of the vehicle and are fixed by spot welding. The brackets 34c and 34d are attached to the lower frame 33.
The rear plate 33a is disposed on the front and rear sides of the guide rail 26 on the vehicle outside surface and is fixed by spot welding.

Further, the glass plate 20 is
(Glass holders) 35a and 35b for guiding the ascending / descending movement on the front side and the rear side include a front side 32a and a rear side 32c.
Attached to. The door 1 for the vehicle body
Locking means 36 for locking the zero is attached to the rear side 32 c of the upper frame 32.

In order to attach the door module 30 to the door body 13, first, the glass plate 20 of the door module 30 is inserted into the storage section 18 through the attachment opening 16 of the inner panel 11, as indicated by an arrow X in the drawing. At the same time, it is arranged below the elevator 14. At this time, the locking means 36 is guided to the locking means arrangement hole 19 provided at the rear end of the door body 13 as shown by the arrow Y in the figure. Then, the brackets 34a to 34d of the door module 30 are provided on the inner side surface 11a of the inner panel 11 remaining on the periphery of the mounting opening 16.
The door module 30 is attached to the door body 13 by arranging the 34d and fixing it with clips or bolts.

Next, referring to FIG.
Is attached to the door body 13. The guide members 35a and 35b fixed to the front side 32a and the rear side 32c of the upper frame 32
The glass plate 20 is held so that the glass plate 20 can be slidably guided between c and the second sash 17b.

A substantially rectangular module frame 31 in side view
In the projection view (when projected in a direction orthogonal to the paper surface in the figure), the width dimension (the horizontal dimension in the figure) and the height dimension (the vertical dimension in the figure) are smaller than those of the mounting opening 16. ing. The height dimension of the projection formed by connecting the protruding ends of the brackets 34a to 34d is larger than that of the mounting opening 16. Inner panel 1
A trim (not shown) is attached to the inside surface 11 a of the vehicle 1 so as to cover the opening 16.

FIG. 3 shows the lower frame 33 and the upper frame 32.
It is an enlarged view of the connection part of FIG. As described above, the lower end of the upper frame 32 is fixed to the vehicle outer side surface of the back plate 33a of the lower frame 33 by spot welding. At the time of spot welding, as shown by arrows W ₁ and W ₂ in the drawing, the rear side 32 c of the upper frame 32 and the back plate 33 a of the lower frame 33 are welded by a welding device (not shown).
Since the lower frame 33 has a U-shaped cross section and the inner side surface of the vehicle is open, the upper frame 32 and the back plate 33a of the lower frame 33 can be sandwiched by the welding device in this manner.

Back plate 33a and both side plates 3 of lower frame 33
A long member such as a wire harness can be routed in the U-shaped concave portion 39 partitioned by 3b. FIG. 3 shows a state where the flat wire harness 60 is laid inside the lower frame 33.

The automobile door 10 as described above is
Since the module frame 31 is formed so as to be annular in side view by connecting a plurality of frames, the number of times of bending for one frame can be reduced, and bending can be simplified. In addition, by forming the lower frame 33 as a U-shaped frame having a back plate 33a and a pair of side plates 33b erected on the back plate 33a, the strength of the module frame 31 is improved while suppressing an increase in weight. Have been.

Further, the back plate 33a of the lower frame 33 is disposed outside the vehicle and is spaced between a pair of side plates 33b standing up toward the vehicle interior. Since the side surface is opened, the back plate 33a and the upper frame 32, the bracket and the like can be easily fixed by spot welding or fastening. That is, the module frame can be easily manufactured.

Therefore, the automobile door 10 has high productivity, has improved strength while suppressing an increase in weight and complexity of assembly work, and has high operational reliability of door fitting parts. Further, by laying the wire harness 60 in the module frame, the wire harness 60 can be easily and reliably arranged.

FIG. 4A is a side view showing an automobile door 40 according to a second embodiment of the present invention, and FIG. 4B is an enlarged view of a main part thereof. Members having the same configuration and operation as the members and the like in the first embodiment are denoted by the same reference numerals in FIG. 4 to simplify the description.

The module frame of this embodiment also has a substantially U-shaped upper frame 32 and a substantially linear lower frame 43 in side view. The lower frame 43 is
3A and a pair of side plates 43b erected from the back plate 43a and have a U-shaped section.

In the present embodiment, the front end of the lower frame 43 extends forward from the front side 32 a of the upper frame 32 and is disposed and fixed on the inner side surface 41 a of the inner panel 41. Back plate 4 at the front end of lower frame 43
3a is a bolt 45 on the inner side surface 41a of the inner panel 41.
Is fastened and fixed.

The door module 40 for an automobile as described above
The front end of the lower frame 43 is fastened to the inner panel 41 by bolts 45 so that the module frame 40
Are firmly fixed to the inner panel 41. Therefore, door opening / closing noise can be reduced.

In the present embodiment, the front end of the lower frame 43 is fastened to the inner side surface 41a of the inner panel by the bolt 45, but the fixing method is not limited. Bolt fastening is preferred in terms of good disassembly for recycling various members. In the present embodiment, the front end of the lower frame 43 is disposed and fixed on the inner side surface 41a of the inner panel 41. However, the rear end of the lower frame 43 is disposed and fixed on the inner side surface 41a of the inner panel 41. You can also.

FIG. 5A is a perspective view of an automobile door module 50 according to a third embodiment of the present invention.
(B) shows an enlarged view of the main part. The vehicle door module 50 is a modification of the door module 30 of the first embodiment, and is, for example, a door body 13 (see FIG. 1).
Can be attached to The members and the like having the same configuration and operation as the members and the like in the first embodiment are shown in FIG.
The description is simplified by attaching the same reference numerals to the inside.

The door module 50 of the present embodiment has an upper frame 52 and a lower frame 5 that are substantially U-shaped in side view.
3 is provided. The upper frame 52 is formed of a member having a U-shaped cross section having a back plate 52a arranged on the vehicle interior side and a pair of side plates 52b erected from the back plate 52a to the vehicle outside so as to be spaced apart from each other. ing. The lower frame 53 is composed of a member having a U-shaped cross section having a back plate 53a arranged on the vehicle outside and a pair of side plates 53b erected from the back plate 53a to the vehicle inside so as to be spaced apart from each other. ing. Here, the upper frame 52 and the lower frame 53 are made of the same member, but the side plates 52b and 53b protrude in opposite directions.

The module frame 51 has an upper frame 52 and a lower frame 53 so as to have a substantially rectangular shape in a side view.
Are arranged symmetrically, and the back plates 52a, 53a at the ends of both frames 52, 53 are fixed to each other by spot welding.

FIG. 5B is an enlarged view of a connection portion between the upper frame 52 and the lower frame 53. Both frames 52, 5
3 are spot-welded with each other, as shown by arrows W ₁ and W ₂ in the figure, a back plate 52 a of the upper frame 52 and a back plate 53 of the lower frame 53 by a welding device (not shown).
a and sandwich them.

In this embodiment having the above structure, the same members are symmetrically arranged to form an annular module frame, so that the production management of the members can be simplified. In addition, the lower frame 53 whose inner side surface is open
The wire harness can be laid in the concave portion having a U-shaped cross section.

FIG. 6A is a perspective view of an automobile door module 60 according to a fourth embodiment of the present invention.
(B) shows an enlarged view of the main part. The car door module 60 is also a modification of the door module 30 of the first embodiment, and is, for example, a door body 13 (see FIG. 1).
Can be attached to For members and the like having the same configuration and operation as the members and the like in the first embodiment, see FIG.
The description is simplified by attaching the same reference numerals to the inside.

The door module 60 of the present embodiment has an upper frame 62 and a lower frame 63 that are substantially L-shaped in side view.
And a module frame 61 substantially in the shape of a square when viewed from the side. The upper frame 62 is formed of a U-shaped member having a back plate 62a disposed inside the vehicle and a pair of side plates 52b erected from the back plate 62a on the vehicle outside. The upper frame 62 forms an upper side and a rear side of the module frame 61. The lower frame 63 is formed of a member having a U-shaped cross section having a back plate 63a disposed outside the vehicle and a side plate 63b erected from the back plate 63a to the inside of the vehicle. The lower frame 63 forms the front side and the lower side of the module frame 61.

In the U-shaped recess 69 of the lower frame 63, a wire harness or the like can be routed as shown in FIG. When the module frame 61 is attached to the door body, the wire harness connected to the door lock assembly is arranged from the rear end (the right end in FIG. 6) of the U-shaped concave portion 69 of the lower frame 63 toward the front end. Can search. Then, the wire harness is removed from the notch 63c provided in the side plate 63b at a predetermined position at the front end of the lower frame 63.
3, the wire harness can be directed toward the vehicle body. Further, a wire harness connected to the lifting / lowering means 27 can be provided in the U-shaped concave portion 69.

The present invention can be appropriately modified and improved.
The window opening, the window plate, the door body, the moving means, the module frame, and the like are optional and not limited as long as the object of the present invention can be achieved. For example, between the upper frame and the lower frame of the module frame, an intermediate frame for connecting them and a connecting member having a short length may be provided. When an intermediate frame is provided, the module frame is formed from three or more frame members. It is preferable to form the module frame from two frame members, the upper frame and the lower frame, from the viewpoint of easy formation and high strength of the module frame. The present invention can be applied not only to the side door but also to a tailgate which is a back door.
Further, the present invention can be applied to a hard-top type automobile.

[0051]

As described above, according to the automobile door and the automobile door module of the present invention, the module frame is composed of a plurality of frames to reduce the number of times of bending for one frame. ,
Productivity is improved by simple bending. Also,
By making the lower frame a U-shaped member, the strength of the entire module frame is improved. Further, the back plate of the lower frame and the upper frame or the like can be easily fixed by spot welding or fastening, and the productivity is good.

Further, by laying the electric wires in the U-shaped concave portion of the module frame, these electric wires can be easily and reliably routed in the door module. Therefore, this automobile door has high productivity, has improved strength while suppressing an increase in weight and complicated assembly work, and has high operation reliability of door fitting parts.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing a first embodiment of the present invention.

FIG. 2 is a side view of the first embodiment.

FIG. 3 is an enlarged view of a main part of the first embodiment.

FIG. 4 is a side view showing a second embodiment of the present invention.

FIG. 5 is a perspective view showing a third embodiment of the present invention.

FIG. 6 is a perspective view of a fourth embodiment of the present invention.

FIG. 7 is an exploded side view showing a conventional automobile door.

[Explanation of symbols]

 10: Automobile doors 13, 42: Door body 16: Window opening 18: Storage portion 20: Glass plate (Window plate material) 27: Elevating means (moving means) 30, 50, 60: Door module 31, 51, 61 : Module frame 33, 43, 53: Lower frame 33a, 43a, 53a: Back plate (first back plate) 33b, 43b, 53b: Side plate (first side plate) 39, 69: U-shaped concave portion 32, 52, 62 : Upper frame 52a, 62a: Back plate (second back plate) 52b, 62b: Side plate (second side plate) 60: Wire harness

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Hideyuki Hashimoto 1-12-1 Yurakucho, Chiyoda-ku, Tokyo Asahi Glass Co., Ltd. (72) Inventor Takeshi Tokui 1-4-1 Chuo, Wako-shi, Saitama Stock Company 3D114 AA04 AA13 BA13

Claims (6)

[Claims] 1. A door body having a storage portion which is disposed adjacent to a window opening of an automobile and which can store a window plate for opening and closing the window opening, wherein the window plate and the window plate are connected to each other. An automobile door to which a door module including at least a door fitting part including at least a moving means for moving between a window opening and the storage part is integrally held by a module frame, wherein the module frame is viewed from a side. A plurality of frames are connected to each other so as to form an annular shape, and at least one lower frame constituting at least a lower side of the module frame is spaced apart from a first back plate arranged on the vehicle outside by a distance between the first back plate and the first back plate. It is a member having a U-shaped cross section having a pair of first side plates erected from the first back plate on the vehicle inner side so as to be separated from each other. An automobile door, wherein a surface shape is different from an arrangement sectional shape of the lower frame. 2. The vehicle door according to claim 1, wherein an electric wire is laid in the U-shaped concave portion of the lower frame. 3. The upper frame includes a second back plate disposed inside the vehicle and a pair of second side plates erected from the second back plate to the outside of the vehicle so as to be spaced apart from each other. 3. The vehicle door according to claim 1, wherein the second back plate of the upper frame is joined to the first back plate of the lower frame. 4. 4. A door fitting comprising at least a window plate for opening and closing a window opening of an automobile and a moving means for moving the window plate, and a module frame for holding the door fitting. A door module for an automobile, wherein a door fitting part is integrated with the module frame and is attachable to a door body that is disposed adjacent to the window opening and has a storage part capable of storing the window plate material. The frame is formed by connecting a plurality of frames so as to be annular in a side view, and when one lower frame constituting at least a lower side of the module frame is attached to the door body, And a pair of first side plates erected inside the vehicle from the first back plate so as to be spaced apart from each other. An automobile door module comprising a U-shaped member, wherein an arrangement cross-sectional shape of an upper frame other than the lower frame is different from an arrangement cross-sectional shape of the lower frame. 5. The door module for an automobile according to claim 4, wherein an electric wire is laid in the U-shaped concave portion of the lower frame. 6. An upper frame comprising: a second back plate disposed on the vehicle interior; and a pair of second side plates erected from the second back plate on the vehicle outer side so as to be spaced apart from each other. The door module for an automobile according to claim 4 or 5, comprising a member having a U-shaped cross section having the following structure, wherein the second back plate of the upper frame and the first back plate of the lower frame are joined.