JP2927311B2 - Vehicle door structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle door structure.

[0002]

2. Description of the Related Art As a conventional door structure of a vehicle, for example, there is one as shown in FIGS. 1 is an outer panel, 2 is an inner panel, and a door trim 3 as an interior material is attached to the inner panel 2. As a method of attaching the door trim 3 to the inner panel 2, as shown in FIG. 7, there is a structure in which a concave portion 6 for a pull handle formed on the armrest 4 of the door trim 3 is attached to a bracket 7 formed on the inner panel 2. As another conventional example, there is a structure in which a screw hole 5 provided in an armrest 4 of a door trim 3 is directly attached to an inner panel 2 as shown in FIG. 8 (Nissan Motor Co., Ltd., June 1987, “Service Newsletter”). No. 578, page B-30).

[0003]

However, in such a conventional technique, the door trim 3 is attached to the inner panel 2 regardless of the structure of the conventional door structure. The existence of inner panel 2 was indispensable.

On the other hand, in order to reduce the weight of the door as a whole, only a part of the inner panel 2 necessary for joining with the outer panel 1 is left, and other parts are cut out to form a large opening. There is a request to do it.

The present invention has been made to meet such a conventional demand, and provides a vehicle door structure in which an interior material can be securely mounted even if a large opening is provided in an inner panel. Things.

[0006]

In order to achieve the above object, a vehicle door structure according to the present invention includes an outer panel having an inner surface provided with a reinforcement and a guard member, a front and rear peripheral portion separated from the outer panel, and An open portion is cut out while leaving only the lower peripheral portion, and a step portion toward the outer panel is formed near the front and rear peripheral portions at the upper end of the open portion, and is joined to the inner side of the outer panel. An outer module integrally assembled with an inner panel; a front-rear size larger than an upper end of the open portion of the inner panel, a vertical size corresponding to a step near the upper end of the open portion, and a size corresponding to the step. A hollow cross-section structure which is attached to the front and rear peripheral portions of the upper end of the opening so that both ends in the front-rear direction can be accommodated in the steps, respectively, from the vehicle interior. A door inner west reinforcement, a regulator whose upper end is attached to the outside of the vehicle of the door inner west reinforcement, and a lower end of which is attached to a lower peripheral portion of an opening of the outer module; In a state where the door inner west reinforcement and the regulator, which are supported so as to be able to move up and down and are attached to the periphery of the opening of the outer module, are integrally assembled with the door window panel located between the outer panel and the inner panel. And a lift module formed in a substantially T-shape by the door inner waist reinforcement and the regulator, and an interior material attached to the lift module and covering the inner panel of the lift module and the outer module. .

[0007]

In the door structure according to the present invention, the door inner waist reinforcement, the regulator, and the door window panel are integrally provided, and all the functions of lifting and lowering the door window panel are integrated into one module called the lifting module. Then, this elevating module was attached to the large opening formed in the inner panel, and the door interior material was attached to the elevating module, thus achieving both reduction in door weight and reliable installation of the interior material. It is possible to do.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will now be described with reference to FIGS.
It will be described based on. This embodiment shows a left front door of an automobile. In the drawings, Y is the front-back direction, and X is the left-right direction.

First, FIG. 1 shows the entire structure of the door. That is, A is the outer module, B is the elevating module, and C is the inner module as the “interior material”. Hereinafter, the structure of each of the modules A, B, and C will be described.

Outer Module The outer module A is mainly composed of an outer panel A1 and an inner panel A2. Outer panel A
Molds A3 and A4 are attached to the outer surface and the upper surface of 1 respectively. Further, a reinforcement A5 and a guard member A6 for increasing the strength and rigidity are provided on the inner surface of the outer panel A1 (see FIG. 2).

The inner panel A2 has a large opening A7 which is notched from the upper side while leaving only the front and rear peripheral portions and the lower peripheral portion separated from the outer panel A1, and the inner panel A2 has a front end. Upper and lower hinges A on the surface
10 is also attached. Since such a large opening A7 is provided in the inner panel A2, the weight of the door can be reduced.

Elevating module This elevating module B is mainly composed of a door window panel B
1, a corner piece B2, a regulator B3, and a door inner west reinforcement (hereinafter, referred to as an inner reinforcement) B4. The inner reinforcement B4 has a size in the front-rear direction larger than the upper end of the opening A7 of the inner panel A2. The regulator B3 is provided with three brackets (upper bracket B5, waist bracket B6, lower bracket B7) along the front-rear direction Y along the vertical direction, and is arranged in parallel with the brackets B5, B6, B7 in the front-rear direction Y. It has a basic structure in which three rails (a front rail B8, a center rail B9, and a rear rail B10) are assembled, and a carrier plate B is mounted on the three rails B8, B9, and B10.
Numeral 11 is attached slidably up and down. Therefore, the regulator B3 and the inner force B4 form a substantially T-shaped elevating module B. Since the lifting module B has a substantially T-shape that does not block the entire opening A7, it is possible to further reduce the weight of the door and to improve the maintenance after the mounting.

The bottom of the door window panel B1 is fixed to the carrier plate B11, and moves up and down integrally with the carrier plate B11. A driving portion B12 is provided in front of a waist bracket B6 formed in a substantially L-shape in side view, and a wire B15 looped around the driving portion B12 and the upper and lower pulleys B13 and B14.
Is mounted on the carrier plate B11, so that the carrier plate B11 can be moved up and down by a driving unit B12. Further, an L-shaped bracket B17 having a screw hole B16 formed in the center is provided inside the waist bracket B6, and a screw hole B18 is formed in the front part of the waist bracket B6.
The attached bracket B19 is attached. Further, a locate hole B20 for ensuring the position of the inner module C is provided at the front and rear inside the inner reinforcement B4. The L-shaped upper end of the waist bracket B6 is joined to the inner reinforcement B4.

Inner Module The inner module C mainly includes a trim main body C1, a pocket forming member C2, and an opening / closing operation section C3. C4 is a speaker attached to the trim main body C1. Further, a locate pin C6 is provided at an upper portion of the trim main body C1 to protrude forward and backward, and a concave portion C9 for a pull handle having a mounting hole C8 formed at a bottom portion is provided at the armrest C7. Furthermore, the grip portion C1 of the armrest C7
A mounting hole C11 is provided at the upper end of the zero.

The assembling procedure then the outer module A, the lifting module B, and illustrating the assembly procedure of the door by inner module C.

First, the lifting module B is attached to the outer module A. At the front and rear upper ends of the inner panel A2 of the outer module A, there are provided steps A11 and A12 located inside the door, respectively, and the steps A11 and A12 are respectively provided with brackets A13 provided inside the door. It is supported from the inside by A14. The front and rear steps A11 and A12 are formed with one mounting hole A15 and A16 on the front side and two mounting holes A15 and A16 on the rear side. The front and rear upper ends of the inner panel A2 close to the steps A11 and A12. Are formed with two mounting holes A17 and A18 on the front side and one on the rear side, respectively.

On the other hand, the inner reinforcement B4 of the lifting module B is connected to the first member B21 on the inner module C side.
And a second member B22 on the outer module A side to form a kind of hollow cross-section structure. Two mounting holes B23 corresponding to the mounting holes A17 are provided at the front joint portion, A single mounting hole B24 corresponding to the mounting hole A18 was formed at the joint of. The second member B22 on the outer module A side has the mounting hole A1 on the front side.
5 and a mounting hole B26 corresponding to the mounting hole A16 is formed on the rear side. The first member B21 on the inner module C side has mounting holes B25, 26 formed in the second member B22.
Are formed respectively.

Therefore, the inner reinforcement B4 of the lifting module B is connected to the inner panel A of the outer module A.
For the front and rear upper end of 2, set along the left and right direction X,
After positioning each of the mounting holes A15-18 and B23-26, if both are fixed by the bolt / nut means B28 using the working hole B27, the lifting module B
Is completed. The upper bracket B5 of the elevating module B attached in this manner is attached to the lower end of the first member B21 at the center of the inner reinforce B4 via another bracket B77, and the lower bracket B7 is another bracket B78. And is attached to the lower peripheral portion of the inner panel A2 via.

As described above, the mounting of the elevating module B to the outer module A is only a mounting operation along the left-right direction X, so that the workability is very good. In addition, the inner reinforcement B4 has a hollow structure that is hardly deformed on both sides, and has a plurality of mounting points (positions of bolt and nut means B28) between the inner reinforcement B4 and the inner panel A2. Since the position of B28 is set to be shifted in the front-rear direction Y, the left-right direction X, and the up-down direction, the support accuracy and the support rigidity of the inner reinforcement B4 (door window panel B1) are increased, and the rigidity of the door is often improved. Contribute. And
The diameters of the mounting holes A15 to 18 and B23 to 26 are slightly larger than the bolt diameter of the bolt and nut means B28. Within this margin, the front and rear directions Y and the vertical direction of the inner reinforcement B4 with respect to the inner panel A2. Delicate position adjustment can be performed. Furthermore, in order to attach the inner reinforcement B4 so as to fit within the steps A11 and A12 of the inner panel A2,
Since the inner reinforce B4 does not protrude to the inside of the vehicle at the portion where the outer module A and the elevating module B are mounted, the degree of freedom in mounting the inner module C is improved.

Next, how to attach the inner module C to the lifting module B will be described. Inner module C
Since the locating pin C6 protrudes from the inner module C, the inner module C is set on the elevating module B along the left-right direction X, and the locating pin C6 of the inner module C is set on the locating pin B4 formed on the inner reinforce B4 of the elevating module B. Insert into hole B20. The position of the inner reinforcement B4 with respect to the inner module C is assured by the correspondence between the locating pin C6 and the locating hole B20. Therefore, the inner pin C6 is inserted from the mounting hole C8 of the concave portion C9 provided in the armrest C7 of the inner module C. Screw B30 to L-shaped bracket B1 of lifting module B
7 into the screw hole B16 and the grip portion C
The basic attachment is completed by screwing the screw B30 inserted from the attachment hole C11 at the upper end of the bracket 10 into the screw hole B18 of the bracket B19 fixed to the waist bracket B6 on the elevation module B side. After the basic mounting operation is completed, the mounting operation of the inner module C is completed by clipping the periphery of the inner module C to predetermined positions of the inner panel A2 and the inner reinforcement B4, respectively. In the door completed in this manner, the waist opening (gap between the upper side of the outer panel A1 and the inner reinforcement B4) through which the door window panel B1 enters and exits is set to be narrower than the conventional door. The overall rigidity is greatly improved. The stabilizer for supporting the door window panel B1 conventionally provided in the waist opening is eliminated to reduce the weight.

In the above description, the regulator B
3 as a waist bracket B6, a driving unit B1 on the front side.
2, the waist bracket B6 is turned upside down and the drive unit B12
May be provided. In this case, the moment of inertia of the door is increased, which contributes to the door tightening performance.

[0022]

The vehicle door structure according to the present invention has the contents as described above. Since the inner panel is provided with a large opening, the weight of the door can be reduced. In addition, the door inner west reinforcement, the regulator, and the door window panel are integrally provided, and all the functions of lifting and lowering the door window panel are integrated into one module, this lifting module. Then, this elevating module was attached to a large opening formed in the inner panel, and the interior material of the door was attached to the elevating module, so both the reduction of the door weight and the secure attachment of the interior material were achieved. Can be achieved. Further, since the mounting of the lifting module and the interior material is easy and reliable, the mounting of these components can be automated.

[Brief description of the drawings]

FIG. 1 is an assembly view showing a door structure according to an embodiment of the present invention.

FIG. 2 is an assembly view showing a door structure as viewed from the vehicle interior side.

FIG. 3 is a partially omitted cross-sectional view along a line SA-SA shown in FIG. 2 showing a state where the door inner waist reinforcement is attached to the inner panel.

FIG. 4 is a schematic cross-sectional view taken along the line SH-SH shown in FIG.

FIG. 5 is a schematic sectional view taken along the line SI-SI shown in FIG. 2 showing a state in which the inner module is attached to the elevating module.

FIG. 6 is a view showing a conventional door structure.

FIG. 7 is a cross-sectional view taken along the line SJ-SJ shown in FIG.

FIG. 8 is a sectional view corresponding to FIG. 7, showing a second conventional example of the mounting structure of the interior material.

[Explanation of symbols]

 A Outer module A1 Inner panel A7 Opening part B Elevating module B4 Door inner waist reinforcement C Inner module (interior material)

──────────────────────────────────────────────────続 き Continued on the front page (58) Fields surveyed (Int. Cl. ⁶ , DB name) B60J 5/04 B60J 5/00 B62D 65/00 B60J 1/17

Claims (1)

(57) [Claims] 1. An outer panel having an inner surface provided with a reinforcement and a guard member, and an opening formed by notching the upper and lower peripheral parts separated from the outer panel, and an upper end of the opening. Around the front and rear
An outer module formed integrally with an inner panel formed with a stepped portion toward the outer panel side and joined to a vehicle inner side of the outer panel; Vertical size corresponding to the front and rear size and the step near the upper end of the opening
Size and have a thickness direction size corresponding to the step portion, in which the front and rear opposite end portions attached from each vehicle inside around the periphery of the opening <br/> release the top end to fit into the stepped portion
A door inner waist reinforcement having an empty cross-sectional structure, a regulator having an upper end mounted on the vehicle outer side of the door inner waist reinforcement and a lower end mounted at a lower peripheral portion of an opening of the outer module; The door inner waist reinforcement supported by the regulator so as to be able to move up and down and the door window panel positioned between the outer panel and the inner panel when the regulator is attached to the periphery of the opening of the outer module. And an elevator module formed in a substantially T-shape by the door inner waist reinforcement and the regulator, and an interior material attached to the elevator module and covering the inner panel of the elevator module and the outer module. A car characterized by that Double door structure.