JPH04215520A - Door structure for automobile - Google Patents

Abstract

PURPOSE:To improve an incorporating property of various functional parts built in a bag-like space in a door for an automobile into a door panel. CONSTITUTION:In a door panel sub-assembly 1 provided with a bag-like space between inner and outer panels 2, 3 copuled with each other on the front, rear and lower portions except for the upper portion, the inner panel 3 is divided along three peripheral edges of the front, rear and lower sides. The divided inner panel 4 can be incorporated from the rear into the inner panel 3 at the door panel sub-assembly side. Furtional parts to be built in the bag-like space is incorporated into the door panel subassembly side by utilizing a wide opening 3d to which the divided inner panel 4 is incorporated, and to the divided inner panel 4 before the step in which the divided inner panel 4 is incorporated into the door panel subassembly 1.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door structure for an automobile, and more particularly to a door structure in which functional parts such as a window regulator and a door lock are built into the door.

0002

[Prior Art] Generally, conventional automobile doors are made by bending the three peripheral edges of the outer panel (excluding the upper part), front, rear, and lower part by hemming and sandwiching the three peripheral edges of the inner panel, and spot welding as necessary. By joining them together, a door panel subassembly with a bag-like space between both panels is constructed. In order to attach various functional parts within the bag-like space of the door panel subassembly, the inner panel is provided with a plurality of working holes for assembling the functional parts.

Taking FIG. 10 as an example, a door check 36 is inserted through a working hole 31 on the left side of the figure provided in the inner panel 30, and a window regulator 37 and a wire harness (not shown) are connected through a central working hole 32. Also, from the upper right working hole 33, the door lock 38, rear lower frame 39, and door lock key cylinder 40 retainer (
(not shown) are inserted and assembled by bolting, clamping, etc., and a tool is inserted through the small working hole 35 at the upper right end to tighten the door out handle 41 to the outer panel, and then the working hole 34 at the lower right and the The work hole 31 on the left side is used to connect the wire harness.

0004

However, as mentioned above, in the conventional door structure in which functional parts such as window regulators are assembled into the bag-shaped interior space of the door panel subassembly using the working holes of the inner panel, Since most of the installation is in invisible or difficult-to-see locations, it often relies solely on the operator's intuition, resulting in extremely poor workability. Furthermore, when inserting a component, there is a possibility that the component may hit the outer panel and cause a convex scratch on the outer panel. Furthermore,
Since the work is carried out inside a bag, there is a lack of reliability in assembling the parts, and it is also difficult to inspect and confirm the assembly.

SUMMARY OF THE INVENTION Accordingly, the present invention aims to solve the above-mentioned conventional problems by providing an inner panel with a split structure in an automobile door structure.

[0006]

[Means for Solving the Problems] In order to solve the above problems, the present invention is constructed as follows. That is, the automobile door structure according to the present invention is a door panel subassembly in which an outer panel and an inner panel are connected to each other at the front, rear, and lower portions excluding the upper part, thereby providing a bag-like space between the two panels. The inner panel is divided along three peripheries: front, rear, and lower.
This split inner panel can be assembled to the door panel subassembly by retrofitting, and the functional parts to be built in the bag-like space are installed in the door panel subassembly through a wide opening into which the split inner panel should be assembled. The structure is such that the split inner panel is assembled at a stage before the door panel subassembly and the split inner panel are assembled.

[0007]

[Operation] According to the present invention configured as described above, the functional parts are assembled to the split inner panel while they are present as a single part, and the functional parts are assembled to the door panel subassembly. , at a stage before the assembly of the divided inner panels, the divided inner panels are assembled using the large openings into which they are to be assembled. Therefore, the work of assembling the functional parts accommodated in the bag-shaped interior space of the door becomes extremely easy.

[0008]

Embodiments Hereinafter, embodiments of the present invention will be explained in detail with reference to the drawings. Figure 1 shows door panel subassembly 1 (
2 shows a cross section taken along the line A-A in FIG. 1, and FIG. 3 shows the divided inner panel 4 and the various functional parts assembled therein. The diagram shows the functional parts that were created.

As shown in FIGS. 1 and 2, the door sub-assembly 1 basically consists of an inner panel 3 with a frame and an outer panel 2, excluding the upper side, the front, rear, and lower sides.
Both panels 2 are joined by hemming the peripheral edges.
, 3, with a bag-like space formed between them. The inner panel 3 is divided along three peripheral edges, front, rear, and lower, so that the door sub-assembly 1 has a wide opening 3a in the outer peripheral side of the inner panel 3. In addition, the dividing line is placed on the inner panel 3 in order to prevent water from entering the room from the working holes 6 and 7, which will be described later.
and the door trim board 23 attached to the inner panel 3 for waterproofing.
It is set on the inner side.

On the other hand, as shown in FIG. 3, the divided inner panel 4 that is divided from the inner panel 3 has a
It is formed in an external shape that is slightly different from the peripheral shape of. This is to form a repair hole 6 of a predetermined size between both panels 3 and 4 when the split inner panel 4 is assembled to the inner panel 3 on the door sub-assembly 1 side as shown in FIG. . In addition, a repair hole 7 is also formed in the split inner panel 4 itself.

[0011] Therefore, various functional parts to be housed and arranged in the bag-like space of the door are placed on the door sub-assembly 1 side and the split inner panel 4 side at a stage before the split inner panel 4 is assembled to the door sub-assembly 1. Can be assembled separately. That is, as shown in FIG. 1, on the door sub-assembly 1 side, there are functional parts such as a door check 10, a door lock 11, a rear lower frame 12, a retainer for a door lock key cylinder 13 (not shown), and a door outside handle 14. It is assembled by bolting, clamping, etc. as in the past, and as shown in Fig. 3, the split inner panel 4
A door window regulator 15, a door glass 16, and a wire harness (not shown) are assembled to the door window regulator 15.

After various functional parts are assembled in this manner, the divided inner panel 4 is assembled to the door subassembly 1. For this purpose, the inner panel 3 and split inner panel 4 of the door sub-assembly 1 have three
A mating portion is formed at an appropriate position on the peripheral edge, and bolt holes 8 and 9 for bolt tightening are provided in the mating portion. The bolt tightening for each mating part is shown below in Figures 5 to 9.
The explanation will be based on.

FIG. 5 is a sectional view of section B in FIG.
The horizontal projecting portions 4a of the split inner panel 4 are superimposed on the inner panel 3 on the side of the door sub-assembly 1 from the indoor side and are fastened with bolts 17a and nuts 17b. FIG. 6 is a sectional view of the C section in FIG.
The vertical projecting portion 4b of the divided inner panel 4 is superimposed on the front upward protruding piece 3b protruding from the indoor side and is fastened with a bolt 18a and a nut 18b.

FIG. 7 is a cross-sectional view of the D section in FIG. The brackets 19 are stacked from the outdoor side and are fastened with bolts 20a and nuts 20b. FIG. 8 is a cross-sectional view of part E in FIG.
The rear lower end portions of the divided inner panels 4 are overlapped from the indoor side and fastened with bolts 21a and nuts 21b. Furthermore, FIG. 9 is a cross-sectional view of the F part in FIG. 22b. Incidentally, it is possible to perform the assembly work more easily if one of the bolts and nuts is fixed in advance to the side of the mating portion located in the bag-shaped space, in most cases to the door sub-assembly 1 side.

Further, in FIGS. 6, 7, and 8, 23 indicates a door trim board, and 24 indicates a waterproof cover (also referred to as a service hole cover). Then, the door trim board 23 is assembled to the inner panel 3 of the door subassembly 1 by bolts or clips, and the waterproof cover 24 is adhered with the door seal butyl 25 filled along the door seal line 5 shown in FIG. Ru.

The automobile door structure according to this embodiment is constructed as described above, and therefore various functional parts can be assembled to the door by attaching the split inner panel 4 to the door sub-assembly 1 side. Before assembling to the door sub-assembly 1, the split inner panel 4 can be assembled using the wide opening 3a, and the split inner panel 4 can be assembled using the wide opening 3a. It can be assembled in a process where it exists as a single component. This makes it possible to easily assemble functional parts to the door.

After the functional parts are assembled, the divided inner panel 4 is assembled to the door sub-assembly 1 as shown in FIGS. 5 to 9. In this embodiment, the divided inner panel 4
The parting line, that is, the assembly part with the door sub-assembly 1 side,
It is set on the inner circumferential side of the door seal line 5, which is set to prevent water from entering the room through the working holes 6 and 7, so it is not a conventional door even though the inner panel is divided. There is no need to pay special attention to waterproof seals. That is, it is possible to eliminate the need for a waterproof seal between the inner panel 3 of the door sub-assembly 1 and the divided inner panel 4.

Furthermore, in this embodiment, repair holes 6 and 7 are provided between the door sub-assembly 1 and the split inner panel 4, and in the split inner panel 4 itself, so that repairs to functional parts, etc. can be carried out using the door trim. This can be carried out with the board 23 removed, and there is no need to remove the divided inner panel 4.

[0019]

[Effects of the Invention] As detailed above, according to the present invention,
This makes it possible to improve the workability of assembling functional parts built into the bag-like space of an automobile door to the door, and is effective in improving work efficiency and work safety. Further, it becomes possible to reliably assemble the functional parts, and it becomes easy to inspect and confirm the assembled state.

[Brief explanation of the drawing]

FIG. 1 is a front view showing a door panel subassembly of an automobile door and functional parts assembled thereon from the interior side.

FIG. 2 is a cross-sectional view taken along line AA in FIG. 1.

FIG. 3 is a front view showing the divided inner panel of the automobile door and the functional parts assembled thereon from the interior side.

FIG. 4 is a front view showing the door panel subassembly with the split inner panel assembled from the interior side.

5 is a sectional view of section B in FIG. 4. FIG.

6 is a sectional view of section C in FIG. 4. FIG.

7 is a sectional view of section D in FIG. 4. FIG.

8 is a sectional view of section E in FIG. 4. FIG.

9 is a sectional view of section F in FIG. 4. FIG.

FIG. 10 is a front view showing a conventional general automobile door from the interior side.

[Explanation of symbols]

1 Door panel subassembly 2 Outer panel 3 Inner panel 3a Opening 4 Split inner panel 5　Door seal line 6 Working hole 7 Working hole

Claims (1)

[Claims] Claim 1. A door panel subassembly in which an outer panel and an inner panel are connected to each other at the front, rear, and lower sides excluding the upper part, thereby providing a bag-like space between the two panels. In addition to dividing the inner panel along the three side edges, the divided inner panel can be attached to the door panel subassembly by retrofitting, and the functional parts to be built in the bag-like space can be attached to the door panel subassembly. In this automobile door structure, a split inner panel is assembled using a wide opening in which it is to be assembled, and the split inner panel is attached at a stage before the door panel subassembly and the split inner panel are assembled.