JP2003200735A - Door structure of automobile - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide back door structure of an automobile capable of draining rain water permeating from the back door outside the car without costing so much. <P>SOLUTION: The back door 3 is formed with an outer panel 9 and an inner panel 10. An inclined surface 14 and a bent surface 15 inclining toward the side of the tip part 6 of the back door 3 are formed in the part of the inner panel 10 located at the lower part of a steering wheel body 11 when the back door is in opened state. When the back door is in opened state, the water permeating from the part of the steering wheel body 11 is pooled in a water reservoir part 25 in the boundary part between the inclined surface 14 and the bent surface 15. When the back door is closed, the rain water is drained outside the car from a drain hole 20 formed at the lower part of the inner panel 10 through a bumper 19. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is provided with a door that opens and closes in the vertical direction at the opening of a vehicle so that water that enters the inside of the door does not leak outside when the door is opened, and the outside of the vehicle when the door is closed. The present invention relates to an automobile door structure that can be drained to the inside.

[0002]

2. Description of the Related Art FIGS. 4 and 5 show a back door 3 for opening and closing an opening 2 provided in a rear portion of an automobile. The back door 3 can open and close the opening 2 by rotating the tip 6 of the back door 3 in the vertical direction by means of a rotating shaft 5 attached to the upper portion of the opening 2. When such a back door 3 is opened, as shown in FIG.
The tip 6 of the is slightly raised and fully opens. Further, a handle body 11 for opening and closing the back door 3 and a handle base 12 for holding the handle body 11 are attached to the back door 3. Structurally, a gap 13 is formed between the handle body 11 and the handle base 12. If the back door 3 has such a structure, there is no problem in fine weather, but if the back door 3 is left open in rainy weather, as shown in FIG. There is a risk that rainwater may enter through the gap 13.

The outer panel 9 and the inner panel 10 of the back door 3 are formed substantially parallel to each other except for the mounting portions thereof, and the surface of the inner panel 10 is on the side of the rotating shaft 5 when the back door 3 is fully opened. It has a slope that is downward. Further, the inner panel 10 is provided with a service opening 21 for convenience when the back door 3 is assembled. Therefore, if the back door 3 is left open, rainwater may flow down from the service opening 21 of the inner panel 10 through a hole such as the air vent hole 23 mounted on the indoor side. In such a case, an operator who is loading and unloading luggage under the back door 3 gets wet with rainwater. Further, when the back door 3 is closed in a state where the rain water has infiltrated into the interior of the back door 3, as shown in FIG. There is also a risk that it will flow inward.

In order to prevent this, as shown in FIGS. 6 and 7, the inner panel 10 and the back door trim 22 are provided.
On the indoor side of the inner panel 10 between the waterproof sheet 2
There is also a back door 3 to which 6 is attached. With such a structure, as shown in FIG. 7, when the back door 3 is fully opened, rainwater that has entered the interior flows from the inner panel 10 to the service opening 21, but the waterproof sheet 26 is located on the back door trim 22 side of the rainwater. Can be prevented and rainwater can be prevented from falling on workers.

[0005]

However, with the back door structure as shown in FIGS. 6 and 7, when the back door 3 is closed, as shown in FIG. A drain hole 27 is formed in the lower portion of the inner panel 10 in order to drain rainwater accumulated between the inner panel 10 and the seat 26, and the inner panel 10 is inserted through the drain hole 27.
The water was drained to the outside from the drain hole 20 formed at the lower end of the bumper 19 through the upper surface of the bumper 19. Therefore, the material cost of the waterproof sheet 26 and the attachment work and the drainage hole 27 need to be formed in the inner panel 10, and there is a situation in which the material cost and the work time increase and the cost increases. The present invention has been made in view of such circumstances, and when rainwater or the like enters the back door from the handle portion that opens and closes the back door and drains it to the outside of the back door, it does not cost much. , The purpose is to provide a back door structure that can reliably drain outside the vehicle.

[0006]

In order to achieve the above object, a vehicle door structure of the present invention comprises an opening for an automobile, a door having an outer panel and an inner panel for opening and closing the opening, and this door. And a pivot shaft provided above the opening for vertically opening and closing the tip of the door, and the door is opened in a substantially horizontal direction when the door is opened. Occasionally, the inner panel is formed with an inclined surface that lowers the tip of the door, and the inclined surface guides water to the water reservoir so that the water in the water reservoir is discharged to the outside of the door when the door is closed. I chose The above-mentioned substantially horizontal direction means a range in which the effect of the present invention is substantially produced, and does not mean that the door is in a horizontal state. The door structure of the automobile, in the closed state of the door, the inclined surface of the inner panel,
The upper end of the inclined surface can be arranged at a position higher than the mounting portion of the door opening / closing handle provided on the door. Further, in the door structure of the automobile, in the opened state of the door, the water reservoir may be formed at the lowest position of the inclined surface of the inner panel. further,
The water reservoir portion can be formed by bending the lower side of the inclined surface of the inner panel toward the outer panel side at a substantially right angle when the door is open, and drain the water in the water reservoir portion to the outside of the vehicle. It is also possible to form holes that can be formed in the inner panel.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION An automobile door structure according to an embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view of an automobile adopting the automobile door structure of the present invention, FIG. 2 is a sectional view of the automobile when the back door is closed, and FIG. 3 is an opening of the automobile back door. FIG. In this specification, unless otherwise indicated, the up-down direction means the up-down direction when the back door is in the closed state, and the front-back direction is aligned with the front-back direction of the vehicle. The automobile 1 is provided with a back door 3 that opens and closes an opening 2 provided at the rear. The back door 3 can open and close the opening 2 by rotating the front end portion 6 of the back door 3 in the vertical direction by the rotating shaft 5 attached to the upper portion of the opening 2.
As shown in, in the upright state, in the open state, the tip is slightly upward from the horizontal state.

The back door 3 is composed of an outer panel 9 on the outer side of the vehicle body and an inner panel 10 on the inner side of the vehicle body.
A window opening is provided above the central portion of the back door 3, and a window glass 8 is attached to the window frame 7.
The outer panel 9 and the inner panel 10 are joined together at their peripheries and the window frame 7, and the other parts are arranged with a gap. The outer panel 9 is provided with a handle main body 11 for unlocking the locking means of the back door 3 (not shown) for opening and closing the back door 3 at the center of the lower portion of the window glass 8 in the vehicle width direction. The handle body 11 is attached to the outer panel 9 via the handle base 12, and the handle base 12 is attached in close contact with the outer panel 9, but a gap 13 is provided between the handle base 12 and the handle body 11. Has occurred.

At the lower portion of the window glass 8 of the inner panel 10, an inclined surface 14 as shown in FIG. 3 is formed when the back door 3 is in the open state. The inclined surface 14 is
One end is arranged above the position of the gap 13 formed between the handle main body 11 and the handle base 12, and the tip 6 side of the back door 3 (and the inner panel 10) is formed lower. Also, the inner panel 10
In the lower part of the inclined surface 14 of the
5 is formed. The folding surface 15 is arranged at a position corresponding to above the lower door frame of the opening 2 formed by the rear skirt panel 16, and is inclined so that the rear side of the vehicle body becomes lower when the back door 3 is in the closed state. When the back door 3 is fully opened, the tip 6 side of the back door 3 is inclined so as to be higher.

In addition, the bent surface 1 of the inner panel 10
In the lower part of 5, there is formed a drain surface 18 which is formed in a crank shape, including the inclined surface 14 and the bent surface 15 downward. A drain hole 20 is formed at the lower end of the drain surface 14 so as to communicate with the bumper 19 from the inside of the back door 3. As described above, the distance between the outer panel 9 and the inner panel 10 of the back door 3 is narrow at the upper end of the inclined surface 14 located above the handle body 11, and the drain surface 18
Becomes wider at the boundary between the curved surface 15 and the bent surface 15, and the drain surface 18
It is formed so that it becomes narrower.

A service opening 21 is formed above the inclined surface 14 of the inner panel 10.
A back door trim 22 is mounted on the vehicle interior side of the vehicle, and an air vent hole 23 is formed at a position corresponding to the service opening 21 of the back door trim 22. A weather strip 24 is attached to the rear skirt panel 16 so as to come into contact with a position above the drain hole 20 on the back surface side of the drain surface 18.

Next, the operation of the embodiment of the present invention will be described. FIG. 3 shows a state in which the back door 3 of the automobile 1 is fully opened. When opening the back door 3 in the rain,
Since the handle base 12 that houses the handle main body 11 is recessed downward, rainwater enters the recess, and through the gap 13 between the handle main body 11 and the handle base 12, the inside of the back door 3, that is, the outer panel 9 and the inner. Rainwater penetrates into the panel 10. Inside the back door 3, rainwater hangs down on the inclined surface 14 formed by the inner panel 10, and from the inclined surface 14 to the inclined surface 14
It flows to the bending surface 15 side on the downstream side at a lower position.

The boundary between the inclined surface 14 and the bent surface 15 is
Since the back door 3 is located at the lowermost end in this period, the rainwater pool 25
Occurs. Then, when the back door 3 is closed, as shown in FIG. 2, the bent surface 15 is inclined downward toward the tip portion 6 side of the back door 3, so that rainwater flows from the water pool portion 25 to the drain surface 18 on the downstream side. To go. Since the drain surface 20 is formed with the drain hole 20 communicating with the bumper 19 side, the rainwater flows down from the drain hole 20 onto the bumper 19 immediately below the drain hole 20 and is discharged to the outside of the vehicle. In this way, it is possible to prevent rainwater that has entered the interior of the back door 3 from flowing into the vehicle interior, and when the occupant is at the bottom of the back door 3 when loading or unloading luggage, It is possible to prevent rainwater from leaking through holes such as the service opening 21 and splashing on the occupant.

Although the embodiment of the present invention has been described above, it is needless to say that the present invention is not limited to this, and various modifications and changes can be made based on the technical idea of the present invention. For example, in the above embodiment, the inner panel 10
Although the inclined surface 14, the bent surface 15 and the drain surface 18 are formed in the above, the inner panel 10 may be replaced by another component such as a reinforcing panel arranged inside the back door 3. It is also applicable to other parts such as key cylinders and wipers where water may enter. Further, in the above embodiment, the back door 3 is taken as an example, but the position of the door is not particularly limited as long as the door is opened and closed in the front-rear direction.

[0015]

As described above, according to the automobile back door structure of the present invention, the opening of the automobile, the door having the outer panel and the inner panel for opening and closing the opening, and the tip of the door. A rotary shaft provided on the upper side of the opening for vertically opening and closing the door, the door structure of an automobile in which the door is maintained in a substantially horizontal direction when the door is opened. The inner panel is formed with an inclined surface that lowers the tip side of the, and the inclined surface guides water to the water reservoir, and when the door is closed, the water in the water reservoir is discharged to the outside of the door. The water that has entered from the back door can be guided to the water reservoir below the back door. Further, in the closed state of the door, the inclined surface of the inner panel is located at a position where the upper end of the inclined surface is higher than the mounting portion of the handle for opening and closing the door provided in the door. The water that has entered from the handle portion of the back door can be guided to the lower side of the back door. With the door open,
Since the water reservoir is formed at the lowest position of the inclined surface of the inner panel, the conventionally used waterproof sheet can be dispensed with, and the cost can be reduced. Furthermore, since the water reservoir is formed by bending the lower side of the inclined surface of the inner panel to the outer panel side at a substantially right angle when the door is open, the water that has entered the back door can be stored with a simple structure. Can be stored in the section. Since the inner panel is formed with a hole for draining the water in the water reservoir to the outside of the vehicle, it can be implemented with a simple structure and at substantially the same cost.

[Brief description of drawings]

FIG. 1 is a perspective view of an automobile adopting a vehicle backdoor structure according to an embodiment of the present invention, as seen from the rear thereof.

FIG. 2 is a cross-sectional view of a state where the back door of FIG. 1 is closed. FIG. 3 is a sectional view taken along the line AA of FIG. 1, and the same applies to FIGS. 3 to 7 below.

FIG. 3 is a cross-sectional view showing a state where the back door of FIG. 2 is open.

FIG. 4 is a cross-sectional view showing a state in which a back door of an automobile adopting a conventional back door structure is closed.

5 is a cross-sectional view of the back door of FIG. 4 in an open state.

FIG. 6 is a cross-sectional view showing a state in which a back door of an automobile adopting another conventional back door structure is closed.

FIG. 7 is a sectional view of the state where the back door of FIG. 6 is open.

[Explanation of symbols]

1 car 2 openings 5 rotation axis 9 Outer panel 10 Inner panel 11 handle body 12 handle base 13 gap 14 slope 15 Bending surface 18 Drain surface 20 drain holes

Claims (5)

[Claims] 1. An opening for a vehicle, a door having an outer panel and an inner panel for opening and closing the opening, and a door provided above the opening for opening and closing a front end portion of the door. In a door structure of an automobile that includes a moving shaft and the door is maintained in a substantially horizontal direction when the door is opened, an inclined surface is formed on the inner panel such that the tip side of the door is lowered when the door is opened, A vehicle door structure characterized in that water is guided to a water reservoir by an inclined surface and water in the water reservoir is discharged to the outside of the door when the door is closed. 2. In the closed state of the door, the inclined surface of the inner panel is arranged at a position where the upper end of the inclined surface is higher than the mounting portion of the handle for opening and closing the door provided on the door. The vehicle door structure according to claim 1, wherein: 3. The vehicle door structure according to claim 1, wherein a water pool is formed at the lowest position of the inclined surface of the inner panel when the door is open. 4. The vehicle according to claim 3, wherein the water reservoir is formed by bending the lower side of the inclined surface of the inner panel toward the outer panel at a substantially right angle when the door is open. Door structure. 5. The vehicle door structure according to claim 4, wherein a hole through which water in the water reservoir is drained to the outside of the vehicle is formed in an inner panel below the water reservoir. .