JP2592414Y2 - Vehicle door - 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 such as an automobile, and more particularly to a vehicle door having a door inner panel with a door trim.

[0002]

2. Description of the Related Art Generally, doors for vehicles such as automobiles are shown in FIG.
As shown in FIG. 1, a door trim 3 is attached to the surface of a door inner panel 2 made of a thin steel plate of a door body 1. The door trim 3 is fastened to a part of the surface of the door inner panel 2 by a plurality of clips (not shown) attached near the front and rear ends and near the lower side of the rear surface, and a bent flange portion is formed on the upper rear surface. This portion is attached to the upper end flange portion of the door inner panel 2 from above so as not to move.

As shown in FIG. 6, a door trim 3 of this type usually has a skin 4 and a synthetic resin base material (core material) 5 on the back surface thereof.
In many cases, the decorative cloth 6 is partially provided on the surface.

A door trim 3 of this type is provided with a base inner panel 2 as shown in FIG. 6 (see Japanese Utility Model Laid-Open No. 3-32517) to restrict deflection in the vehicle width direction with respect to the door inner panel 2. A resin bracket 7 is provided on an upper back surface of the material 5, stopper ribs 8 and 9 are provided on a back surface of a base 7 a of the bracket 7 and a back surface of a bent flange portion 7 b on a distal end side, respectively. The ribs 8 and 9 are provided so as to oppose each other on the front and back sides of the portion 2a, and restrict the deflection of the door trim 3 in the vehicle width direction against an external force.

[0005]

In recent years, as this type of door trim, an integrally molded product using a mold has become mainstream. However, a door trim having the above-described bracket 7 and stopper ribs 8, 9 has been described. In the structure of No. 3, integral molding cannot be performed due to the relationship between the upper and lower dies. For this purpose, the bracket 7 and the stopper ribs 8 and 9 must be formed separately from the base member 5 and attached to the back surface of the base member 5 with an adhesive, which is troublesome and increases the number of assembling steps. It is not practical because it causes high cost and deterioration of assembly accuracy, and quality control is difficult.

The present invention has been made in view of the above circumstances, and the door trim can be integrally formed, the door trim can be easily mounted on the door inner panel, the deflection in the vehicle width direction with respect to an external force can be reliably controlled, and the assembling work can be performed. It is an object of the present invention to provide a vehicle door capable of improving efficiency, reducing costs, and improving quality.

[0007]

The vehicle door according to the present invention is:
In order to achieve the above object, a plurality of cut-out portions are provided in the upper end flange portion of the door inner panel at intervals in the longitudinal direction, while the back surface of the base material on the upper portion of the door trim is in contact with the surface of the door inner panel. A plurality of substantially inverted L-shaped stopper ribs each having a vertically long portion and a horizontally long portion which is disposed on the upper side and has a horizontally long portion whose tip fits into a cutout portion of an upper end flange portion of the door inner panel are integrally formed, respectively.
A bent portion extends integrally from the upper end of the skin of the door trim, and a waist seal is fixed to the bent portion in the longitudinal direction,
The bent portion with the waist seal is bent and connected to the end surface of the elongated portion of the stopper rib. In this state, the end of the elongated portion fits into the cutout portion of the door inner panel, and the bent portion with the waist seal has the upper end. The upper portion of the door trim is hooked on the upper end flange portion of the door inner panel so as to be joined to the back surface of the flange portion.

[0008]

According to the vehicle door having the above structure, if the upper portion of the door trim is hooked from above on the upper end flange portion of the door inner panel, a plurality of substantially inverted L-shaped rear surfaces of the base material on the upper portion of the door trim are provided. While the vertical portion of the stopper rib abuts against the surface of the door inner panel, the upper horizontal portion tip fits into the cut-out portion of the upper flange portion of the door inner panel and is connected to each horizontal portion tip surface. The bent portion with the waist seal is joined to the back surface of the upper flange portion. Thus, the upper portion of the door trim is easily and securely engaged with the upper flange portion of the door inner panel by being sandwiched between the stopper rib and the waist seal, thereby preventing the door trim from bending in the vehicle width direction due to the external force of the door trim. become.

The door trim has a structure in which a plurality of substantially L-shaped stopper ribs are provided on the back surface of the upper base material and a waist seal is fixed to a bent portion extending to the upper end of the skin. It can be set in a mold and molded integrally.Finally, it can be completed by bending the bent part with a waist seal and joining it to the tip of the horizontal part of the stopper rib, which improves the efficiency of assembly work and reduces cost. The quality can be improved.

[0010]

FIG. 1 shows an embodiment of a vehicle door according to the present invention.
This will be described with reference to FIGS. 5 and 6 in the drawings.
The same reference numerals are given to the same components as those shown in FIG. 1 to simplify the description, and the overall door diagram is omitted.

First, as shown in FIGS. 1 and 2, a plurality of door inner panels 2 made of a thin steel plate or the like disposed on the inner surface side of a vehicle door such as an automobile have a plurality of upper end flange portions 2a at intervals in the longitudinal direction. Is provided. Each of the cut-out portions 2b is formed in a state of being opened in a substantially U-shape by partially cutting and bending the upper end flange portion 2a into a tongue piece simultaneously with the press forming of the door inner panel 2. The cut and bent tongue pieces 2c are made to protrude substantially horizontally to the front side of the door inner panel 2.

On the other hand, a door trim 3 has a skin 4 made of a thermoplastic synthetic resin such as polyvinyl chloride or polyolefin on the back surface, and a pad material such as polyurethane foam or polyolefin laminated on the back surface, and is integrally formed on the back surface. A plurality of stopper ribs 10 are formed integrally with the base material 5 in an appropriate range on the upper and back surfaces of the base material 5.

Each of the stopper ribs 10 is formed by partially increasing the thickness of the base member 5 into a substantially inverted L-shape, and has a width dimension substantially equal to that of the cut-out portion 2b of the upper end flange 2a of the door inner panel 2. In addition, they are provided in parallel at the same pitch. The vertically long portion 10a of each stopper rib 10 abuts on the surface of the inner panel, and the horizontally long portion 10b disposed on the upper surface thereof rests on the upper surface of the cut and bent tongue piece 2c of the upper end flange portion 2a of the door inner panel 2. The distal end portion can be fitted to the cutout portion 2b.

The door trim 3 is provided with a bent portion 4a extending integrally from the upper end of the skin 4 thereof. A waist seal 11 is fixed to the surface of the extended bent portion 4a in the longitudinal direction. The waist seal 11 slides against the inner surface of the door glass to prevent ingress of water droplets and the like, and is formed of a synthetic rubber strip having a plurality of flexible lip portions, and a thin plate-shaped core is provided inside. A material having appropriate rigidity is formed by inserting the material 11a. A plurality of claws 11 b protrude from the core material 11 a and are fixed to the extended bent portion 4 a of the skin 4.

Such a door trim 3 is entirely shown in FIG.
As shown in (c), the upper and lower dies 12, 13 are integrally formed. That is, as shown in FIG. 3A, the skin 4 is set between the upper and lower molds 12, 13, and the waist seal 11 is set in the upper mold 12, and the mold is closed in this state. 3 (b), the lower mold 1
While injecting the base resin from the third resin injection hole 13a,
The skin 4, the base material 5, and the plurality of stopper ribs 10 are integrally formed into a required shape, and at the same time, the waist seal 11 is set in the extended bent portion 4a of the skin 4 from the state shown in FIG. Press and fix with nails 11b. After demolding as shown in FIG. 3C, the periphery of the epidermis 4 is trimmed.

When the thus integrally formed door trim 3 is to be attached to the door inner panel 2, first, as shown in FIG. 1 (a), the extended bent portion 4a with the waist seal 11 of the door trim 3 is bent to form each stopper rib. Then, the tapping screw 14 is screwed from the bent portion 4a with the waist seal 11 into the horizontally long portion 11b to join them together.

In this state, a plurality of clips (not shown) attached to the front and rear ends and the lower side of the back surface of the base member 5 of the door trim 3 stop the door trim 3 from partially overlapping the surface of the door inner panel 2. The upper part of the door trim 3 is hooked on the upper end flange 1a of the door inner panel 2 from above. In other words, as shown in FIG. 1B, the vertically long portions 10a of the plurality of substantially L-shaped stopper ribs 10 on the back surface of the base member 5 are brought into contact with the surface of the door inner panel 2, and the tips of the upper horizontally long portions 10b are fixed. The bent portion 4a with the waist seal 11 which is fitted to the cutout portion 2b of the upper end flange portion 2a of the door inner panel 2 and which is joined to the front end surface of each horizontally long portion 10b is joined to the back surface of the upper end flange portion 2a. . Thus, the upper portion of the door trim 3 is easily and reliably engaged with the upper flange portion 2a of the door inner panel 2 by being sandwiched between the stopper rib 10 having appropriate rigidity and the waist seal 11.
The bending of the door trim 3 in the vehicle width direction with respect to the external force is prevented.

The door trim 3 has a structure in which a plurality of substantially reverse L-shaped stopper ribs 10 are provided on the back surface of the upper base material 5 and a waist seal 11 is fixed to a bent portion 4 a extending to the upper end of the skin 4. Therefore, the whole can be set in a mold and integrally molded, and the efficiency of assembly work can be increased, the cost can be reduced, and the quality can be improved.

The present invention is not limited to the embodiment described above. For example, each cut-out portion 2b of the upper end flange portion 2a of the door inner panel 2 is cut without punching to leave the tongue piece portion 2c. It may be chipped and opened in a simple groove shape.

Further, the waist seal 11 may be fixed to the extended bent portion 4a of the skin 4 with an adhesive. Further, without using the tapping screw 14, the bent portion 4a with the waist seal 11 is bonded to the distal end surface of the horizontally long portion 10b of the rib 10 for stopper by using an adhesive, or the waist seal 11 or the bent portion A projection such as a claw or a pin is integrally formed on the rear surface of the stopper rib 4a, and this projection is inserted into and engaged with a hole formed on the distal end surface of the horizontally long portion 10b of the stopper rib 10. It is possible to do

[0021]

[Effects of the Invention] Since the vehicle door of the present invention is constructed as described above, the door trim can be integrally formed, making it easy to manufacture, and the door trim can be easily and securely attached and fixed to the door inner panel, so that the vehicle can withstand external forces. The deflection in the width direction can be reliably controlled, and the effect of increasing the efficiency of the assembling work, reducing the cost, and improving the quality can be obtained.

[Brief description of the drawings]

1 (a) and 1 (b) are longitudinal sectional views showing only an upper end portion of a vehicle door according to an embodiment of the present invention, showing a process of attaching a door trim to a door inner panel in order.

FIG. 2 is an exploded perspective view of the embodiment with a part omitted;

FIGS. 3A, 3B, and 3C are cross-sectional views sequentially showing a state in which the door trim of the embodiment is integrally formed.

FIG. 4 is a sectional view sequentially showing a state in which the waist seal is fixed to the extended bent portion of the skin of the door trim and fixed.

FIG. 5 is a perspective view showing an entire conventional vehicle door.

FIG. 6 is a sectional view taken along the line AA in FIG. 5;

[Explanation of symbols]

2: Door inner panel, 2a: Upper flange, 2b
... Slit, 3 ... Door trim, 4 ... Skin, 4a ... Bend, 5 ... Base, 10 ... Rib for stopper, 10a ... Long part, 10b ... Long part, 11 ... Waist seal.

Continuation of front page (58) Field surveyed (Int. Cl. ⁶ , DB name) B60J 5/00 B60J 5/04

Claims (1)

(57) [Scope of request for utility model registration] 1. A vehicle door having a door trim in which a skin and a base material are integrally formed is attached to a surface of a door inner panel, wherein a plurality of cut-outs are provided at an upper end flange portion of the door inner panel at intervals in a longitudinal direction. On the other hand, a vertically long portion that contacts the surface of the door inner panel and a horizontally long portion that is disposed above the vertically long portion and that fits into a cut-out portion of an upper end flange portion of the door inner panel. A plurality of substantially reverse L-shaped stopper ribs having integral shapes are integrally formed, a bent portion is integrally extended from the upper end of the skin of the door trim, and a waist seal is fixed to the bent portion in the longitudinal direction. The bent portion with the waist seal is bent and connected to the end surface of the elongated portion of the stopper rib, and in this state, the end of the elongated portion is the door inner panel. A door for a vehicle, wherein an upper portion of a door trim is hooked on an upper end flange portion of a door inner panel so that a bent portion with a waist seal is joined to a back surface of the upper end flange portion so as to fit into the cutout portion.