JPH07257182A - Door structure of automobile - Google Patents

Abstract

PURPOSE:To improve the fitting precision by joining each lower part of a sash to each upper end part of a forward supporting piece to be connected to a door hinge mechanism and a rear supporting piece to be connected to a door locking mechanism to constitute a combined body of sash supporting members, and mounting an inner panel and an outer panel thereon. CONSTITUTION:In assembling a door structure, a frame part 9, forward and rear supporting members 10, 12 are loaded on a jig, the respective members 9, 10, 12 are positioned by a positioning means on the jig, and the parts to be joined are welded. Connecting members 15, 16 are erected and welded to constitute a unitized combined body 8 of sash supporting members. Then, a front piece 10a of the forward supporting piece 10 is overlapped on the reverse side of a front erected piece 1 b of the inner panel 1 and welded, and the rear supporting piece 12 is overlapped so as to align a notch to a loose hole 5 in the locking mechanism of a rear erected piece 1c of the inner panel 1, and integrated with welding. The outer panel 6 is overlapped on a flange part 1f at four sides of the inner panel 1 and integrated by the welding.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automobile door having a sash.

[0002]

2. Description of the Related Art Japanese Unexamined Patent Publication (Kokai) No. 48-1988
No. 31622 and the like. By the way, doors of automobiles are roughly classified into sashless type without sash (so-called pillar hardtop type automobile) and sash type (sedan type automobile). The conventional structure is as shown in FIG.

FIG. 5 is an exploded perspective view of a conventional sash type door. As shown in the figure, a recessed deep dish-shaped door inner panel 51 opened to the outer side and a door outer panel 55 called a skin are shown. , And a sash 56 that holds the door side glass openably and closably. In the inner panel 51, the front portion 51a is integrated by welding, and the front portion 51a
Is provided with a door hinge mounting hole 52 ...
A door lock mechanism mounting opening 53, a lock mechanism receiving mechanism mounting hole, and the like are provided to the end of the rear portion 51c and the end surface 51d, and the side face has a mounting opening 54 for devices such as a window regulator and a speaker. , And mounting holes and the like are provided. The outer panel 55 is assembled so as to cover the side surface of the inner panel 51 to form an outer surface of the door, and the sash 56 has a reverse concave shape in a side view in which the front portion is inclined forward and downward, and the attachment portion 57 is hung on the front lower portion 56a. Then
The mounting portion 56c is integrally hung and connected to the rear portion 56b,
The mounting portions 57 and 56c are assembled and integrated with the door when the door is assembled.

[0004]

The door assembly is mounted on the vehicle body side through a door hinge mechanism (not shown).
The door hinge mechanism is bolted to the door hinge mounting holes 52 ... At this time, the sash 56 may not fit well into the opening of the vehicle body, so the door hinge mechanism is used for fine adjustment.

An object of the present invention is to provide a technique in which a sash, a door hinge mechanism and a door lock mechanism are easily fitted to an opening on the vehicle body side.

[0006]

In order to achieve the above object, the present invention has a front support piece connected to a door hinge mechanism and a rear support piece connected to a door lock mechanism, which are arranged in front and rear to form a front portion.・ A sash support material combination is constructed by joining both upper and lower parts of the sash to each upper end of the rear support piece,
An inner panel and an outer panel are attached to the sash support member combination so as to surround the rear support piece.

[0007]

In the sash support member combination, the dimensional accuracy of the front and rear support pieces and the sash is strictly controlled, and the front support piece is attached to the vehicle body by the door hinge mechanism. Secure the mounting accuracy.

[0008]

An embodiment of the present invention will be described below in detail with reference to the accompanying drawings. 1 is an exploded perspective view of a door structure according to the present invention, FIG. 2 is a perspective view of a single supporting member before and after a sash, FIG. 3 is an explanatory perspective view showing assembly of a sash by a jig, and FIG. 4 is a jig. FIG. 6 is an explanatory plan view showing a quality control state of the sash according to FIG.

In FIG. 1, 1 is a door inner panel,
A long rectangular concave deep dish shape is formed in the front and rear (left and right in the figure) with the outer side face open, and the substrate portion 1a at the back (inside the room), the substrate portion 1
It is provided with front / rear upright pieces 1b, 1c and upper / lower upright pieces 1d, 1e having a predetermined width, which are bent outward at right angles from the four sides of a. The upright pieces 1b to 1e on the four sides are formed integrally with the substrate 1a by drawing a steel plate material.
A narrow width flange portion 1f bent outward at a right angle is integrally formed at each end of b to 1e. In the embodiment, the inner panel 1 is formed by deep drawing from a single steel plate material so that all parts are integrally formed. However, as in the prior art, the front part is formed separately, and the elements from the middle part to the latter half are formed. It may be integrated by welding.

The substrate portion 1a of the inner panel 1 is provided with openings 2 such as a speaker mounting opening and a window regulator mounting opening, and a ridge 3 for increasing strength and rigidity.
… And so on. Front standing piece 1 of inner panel 1
b is provided with two upper and lower door hinge fitting holes 4 ... Separated from each other in the vertical direction, while the rear rising piece 1c is provided with a horizontally long lock mechanism fitting hole 5 in the upper middle portion.

Reference numeral 6 denotes a door outer panel, which is a so-called door skin, which is formed in such a shape and size as to cover the outer opening of the inner panel 1 by overlapping with the flange portions 1f on the four sides of the outer opening. A Z-shaped step portion 6a is formed in the upper portion, and an opening portion 7 for a door opening / closing handle is formed in the upper portion of the rear portion.

Reference numeral 8 denotes a combined body of the sash and the supporting material. The combined body 8 of the sash and the sash supporting material includes a frame portion 9 having an inverted concave side view, and the frame portion 9 has a frame portion front portion 9a inclined forward and downward. In addition, it is extended rearward so as to incline rearward. An intermediate portion 9b extends rearward from the upper end of the frame front portion 9a in a substantially horizontal direction.
b is the highest position, and extends from the rear end of the intermediate portion 9b to a frame rear portion 9c that is bent downward and forms a substantially upright portion, and extends downward from the lower portion of the frame rear portion 9c. The narrow extending portion 9d is extended.

A front support piece 10 made of an angle member is connected to a front end portion 9e of the frame front portion 9a.
0 is welded at its upper end to the front end 9e of the frame 9 and integrally fixed to the frame front 9a. The vertical dimension of the suspended front support piece 10 is the same as that of the inner panel 1 described above. The distance between the inner dimensions of the upper and lower upright pieces 1d and 1e is set to be approximately, and is set so as to be interposed between them.

The front support piece 10 has a front piece 10a on one of the flanges and a front upright piece 1b of the inner panel 1.
Corresponding to the rear surface of the front piece 10, two hinge mounting holes 11 are formed in the upper and lower portions of the front piece 10a so as to be vertically spaced apart from each other in the upper portion and in the lower portion. The mounting holes 11 ...
It is set so as to correspond to each of the door hinge loose fitting holes 4 provided on the front standing piece 1b of the inner panel 1. The front support piece 10 is made of an angle material having a certain thickness and strength and rigidity. The front support piece 10 alone is shown in FIG. This will allow the front support piece 10 to be easily understood.

At the lower portion of the extending portion 9d of the frame portion 9 described above,
The upper portion of the rear support piece 12 made of a short vertical angle member is joined and integrated by welding, and the rear support piece 12 has an extended portion 9d.
2, the rear surface piece 12a corresponds to the upper middle portion of the rear surface of the rear rising piece 1c of the inner panel 1 as shown in the single view of FIG. The rear surface piece 12a is provided with a notch 13 corresponding to the lock mechanism loosening hole 5 of the rear rising piece 1c of the inner panel 1 and lock mechanism mounting holes 14 ... Rear support piece 12
The side edge portion 12b of the rear side support piece 12 is wrapped and welded to the lower portion of the extending portion 9d of the frame portion 9, and the rear support piece 12 has the positioning hole 12
c, 12c.

Between the lower part of the front support piece 10 and the intermediate part of the rear support piece 12, a lower connecting member 15 made of a square pipe, a round pipe, a channel material or the like is installed and connected so as to incline backward. . In addition, the front end 9e of the frame 9 and the rear support piece 1
A similar upper connecting member 16 is installed and connected between the intermediate portions of the two so as to incline forward. The upper and lower connecting members 1
The sash frame portion becomes a closed structure frame-like structure by erection and interposition between the parts constituting the front part and the rear part of the cross member-like frame part by 5, 5 and 16, and the sash support material combined body. No. 8 is formed of a narrow member, but its bending, bending strength, and rigidity are remarkably improved. Therefore, when it is attached to a door,
It can be handled as a rigid body without being deformed.

In the embodiment, the two connecting members 15 and 16 are provided on the upper and lower sides, but one of the lower member and the upper member may be provided.

The procedure for assembling the door structure described above will be described with reference to FIG. The jig 21 used for assembly is provided with a plurality of L-shaped positioning blocks 23 ... Which regulate the outer edge portion of the frame portion 9 on the base 22 in accordance with the outer shape of the frame portion 9. Is regulated in two parts of the frame part, in the example,
The positioning pin 24 for engaging and positioning the lower positioning hole 9f of the rear portion 9c of the frame part 9 and the positioning pin 25 for engaging and positioning the positioning pin 9h provided in the installation plate 9g of the frame front part 9a. Prepare Further, the front support piece 10 is provided with inner laterally-positioning pins 26 and 27 for engaging with a predetermined one of the hinge mounting holes 11 ... And positioned with the positioning holes 12c and 12c of the rear support piece 12. Equipped with erected positioning pins 28, 28.

The frame portion 9 and the front / rear supporting members 10 and 12 are placed on the jig 21, and the above-mentioned positioning block 23, the positioning pins 24, 25 and 26, on the jig 21.
27 and 28 regulate and position the frame portion 9 and the support pieces 10 and 12, the frame portion 9 and the support pieces 10 and 12 are joined by welding, and the connecting members 15 and 16 are erected and welded. The unitized sash support material combination 8 is formed. Figure 3
Is a welded and integrated sash support member combination 8 to the jig 2
The state removed from 1 was shown. By doing this,
As shown in FIG. 4, the outer shapes of the frame portion 9 and the support pieces 10 and 12 are regulated and positioned, and as shown by ▼, the respective outer shapes, dimensions, and positions of each accuracy are set in advance. The sash support material combined body 8 which is assembled with high accuracy and integrated into a united accuracy is obtained.

The above-mentioned assembly of the sash support member combination 8 to the door side is as follows.
The front piece 10a of the front support piece 10 of the sash is brought into contact with the rear surface so as to overlap with each other, and welded, joined, and integrated.
The hinge mounting holes 11 ... Of the front piece 10a are aligned with the door hinge loose fitting holes 4 of the front upright piece 1b, and the front piece 10a also functions as a backing reinforcing material for the front upright piece 1b, increasing the strength and rigidity of this portion. Can be achieved.

On the other hand, in the rear support piece 12, the notch 13 is overlapped and abutted so as to match the lock mechanism loosening hole 5 of the rear rising piece 1c of the inner panel 1, and integrated by welding, and the notch 13 and the lock mechanism are attached. By matching the holes 14 with those on the rear rising piece 1c side, the mounting and positional accuracy of the rear portion of the sash to the rear portion of the inner panel 1 can be extremely highly positioned and maintained. Therefore, the mounting accuracy of the sash support member combination 8 to the inner panel 1 can be maintained at a very high level, and the mounting work of the sash support member combination 8 to the inner panel 1 has a closed frame-like structure and is rigid. Close things,
The simple work of simply aligning the mounting holes for the hinges and lock mechanism allows quick and accurate assembly. Since the sash support material combination 8 is provided with the connecting members 15 and 16 vertically in the front-rear direction, not only the strength and rigidity of the sash support material combination 8 are increased, but also the door rigidity and the strength are increased.

[0022]

As described above, according to the present invention, the front support piece connected to the door hinge mechanism and the rear support piece connected to the door lock mechanism are arranged at the front and rear, and the upper ends of the front and rear support pieces are provided. A sash support material combination is constructed by joining both lower parts of the sash to the inner and outer panels of the sash support material combination so as to surround the front and rear support pieces. In the body, the mutual dimensional accuracy of the front and rear support pieces and the sash is strictly managed, and the front support piece is attached to the vehicle body by the door hinge mechanism, so that the attachment accuracy of the rear support piece and the sash can be secured, The fine adjustment of the door hinge mechanism is very small, so that the installation work of the door becomes extremely easy.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a door structure according to the present invention.

FIG. 2 is a perspective view of a single support member before and after the sash.

FIG. 3 is an explanatory perspective view showing assembly of a sash by a jig.

FIG. 4 is an explanatory plan view showing a sash quality control state by a jig.

FIG. 5 is an exploded perspective view of a conventional door

[Explanation of symbols]

1 ... Door inner panel, 4 ... Inner panel door hinge fitting hole, 5 ... Inner panel locking mechanism fitting hole,
6 ... Door outer panel, 8 ... Sash support material combination,
10 ... Front support piece, 11 ... Hinge mounting hole, 12 ... Rear support piece, 14 ... Lock mechanism mounting hole.

Claims (1)

[Claims] 1. A front support piece connected to a door hinge mechanism and a rear support piece connected to a door lock mechanism are arranged in front and rear, and both lower parts of a sash are joined to respective upper ends of the front and rear support pieces. The sash support material combination is composed of
A vehicle door structure in which an inner panel and an outer panel are attached to the sash support member combination so as to surround a rear support piece.