JP2977149B2 - Car door trim - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door trim for a vehicle, and more particularly to a door trim for a vehicle having a simple structure which prevents a waist portion of the door trim from bending in a vertical direction and secures a stable mounting. .

[0002]

2. Description of the Related Art As is well known, door trims for automobiles and various other interior parts are mounted on the indoor side of a vehicle body panel.

FIG. 7 is a partial sectional view showing a state in which a door trim for an automobile is mounted on a door inner panel. Usually, the door trim 1 is formed by molding a fiber board, a composite resin board, or the like into a required curved surface shape. And a skin material 3 which is integrally attached to the surface side of the core material 2 and imparts decorativeness and cushioning property.
A waist garnish 6 made of a long resin molded body is attached to the back surface of the waist portion of the core material 2 in order to mount a door inner seal 5 for sealing the elevating door window glass 4. Along the way, the inner part is fixed by ultrasonic welding or the like, and the door inner seal 5 is fixed to the flange portion 6a of the waist garnish 6 by mechanical stopping or the like.

Further, a locking claw 7 is formed on the inner surface of the flange portion 6a of the waist garnish 6 so that when the waist surface of the door trim 1 is pressed, the waist garnish 6 does not give a feeling of bottoming. The locking claw 7 is attached to the waist flange 8a of the door inner panel 8.
The waist garnish 6 is fixed to the door inner panel 8 by engaging with the locking holes 9 provided in the
The vertical deformation of the door trim 1 in the vertical direction is restricted, and the positioning accuracy of the door inner seal 5 is improved.

[0005]

As described above, in the conventional automobile door trim 1, the door inner seal 5 is provided.
A long waist garnish 6 is welded and fixed to the back surface of the waist portion of the core material 2 so that the locking claw 7 formed on the waist garnish 6 is attached to the waist flange portion 8 a of the door inner panel 8. By engaging with the locking holes 9 provided, the mounting stability of the door trim 1 and the positioning accuracy of the door inner seal 5 are improved, but the waist flange portion 8a of the door inner panel 8 is improved.
Since the length of the waist flange portion 8a in the vertical direction must be more than a certain level, there is a great limitation in designing the door inner panel 8 and a large number of Since the stop hole 9 is formed, the rigidity of the waist flange portion 8a is reduced, so that a desired strength cannot be maintained.

Further, when the locking claw 7 of the waist garnish 6 is displaced in the Y direction in the drawing, it is impossible to take a structure for engaging with the locking hole 9 and severe dimensional accuracy is required. There was a disadvantage that quality was difficult to guarantee.

In addition, the structure in which the locking claw 7 of the waist garnish 6 is engaged with the locking hole 9 of the door inner panel 8 is a partial fitting structure at a predetermined interval. Waist garnish 6 against
However, only a partial reinforcing effect can be achieved, and satisfactory mounting strength cannot be guaranteed.

The present invention has been made in view of such circumstances, and effectively prevents the door trim from bending and deforming particularly at the waist portion, thereby improving the mounting stability of the door trim and making the door inner seal smooth. It is an object of the present invention to provide a door trim for an automobile that can secure a lifting operation.

[0009]

In order to achieve the above object, the present invention provides a core material formed into a required shape and a skin material adhered to the surface of the core material. A base portion of a waist garnish made of a long resin molded body is attached and fixed along a back surface of a waist portion of the material, and a door inner seal is attached to a flange portion extending downward from the base portion. A protrusion is formed on the inner surface of the flange portion of the garnish along its length, and along the upper edge of the waist flange portion of the door inner panel, a locking claw that engages with the protrusion is set, so that the protrusion is formed in the longitudinal direction. Along with this, the waist garnish and the door inner panel are fixed.

The projection may be formed as a ridge on the inner surface of the flange portion of the waist garnish along the entire length in the longitudinal direction, or may be formed intermittently.

Further, according to the present invention, a locking claw engaging with a projection of a waist garnish is cut and raised from a waist flange portion of the door inner panel, and an upper edge of the waist flange portion is brought into contact with the back surface of the door trim. It is characterized by the following.

Further, the upper edge of the waist flange of the door inner panel and the locking claw are hemmed.

[0013]

As is apparent from the above configuration, when the door trim is mounted on the door inner panel, the waist of the door inner panel faces the projection formed along the longitudinal direction on the inner surface of the flange portion of the waist garnish. Since the locking claw provided on the upper edge of the flange portion is engaged, in the lifting operation of the elevating door window glass,
Even when an upwardly directed external force acts on the door trim, the waist garnish and the door inner panel are engaged with the projections and the locking claws, so that the door trim is not bent upward and deformed.

Further, a locking claw that engages with the waist garnish is partially cut and raised on the waist flange portion of the door inner panel, and the upper edge of the waist flange portion abuts against the back surface of the door trim. Even if a downward external force is applied to the part, the upper edge of the waist flange of the door inner panel acts as a stopper,
The door trim does not bend.

When the upper edge of the waist flange portion of the door inner panel and the locking claw are hemmed, when the door trim is mounted on the door inner panel,
Since the hemmed portion has a guide function, it can be easily mounted.

[0016]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded perspective view of a door trim for an automobile according to the present invention.

FIG. 1 is a front view showing a door trim for a vehicle according to the present invention, FIG. 2 is a sectional view showing the structure of a first embodiment of the door trim for a vehicle, and FIG. 3 is a door inner panel according to the first embodiment of the present invention. FIG. 4 is a cross-sectional view of a main part of a door trim for a vehicle according to a second embodiment of the present invention, showing a configuration of the door trim. FIG. 5 is a door trim for a vehicle shown in FIG. FIG. 6 is an explanatory view showing a relationship between a waist garnish and a door inner panel in FIG. 6, and FIG. 6 is a cross-sectional view of a main part showing a configuration of a third embodiment of an automobile door trim according to the present invention.

First, a first embodiment of an automobile door trim according to the present invention will be described with reference to FIGS.

In the drawings, an automobile door trim 10 according to the present invention comprises a core material 11 formed into a required shape, and a skin material 12 integrally adhered to the surface of the core material 11. A waist garnish 20 made of a long resin molded body is joined and fixed along the back surface of the waist portion of the core material 11 by ultrasonic welding or the like.

More specifically, as the core material 11,
The fiber mat may be formed by hot press molding, or a composite resin material obtained by mixing a wood powder filler with a thermoplastic resin such as a polypropylene resin is extruded into a sheet by extrusion molding, and then the sheet is formed. The blank may be heated and softened and formed into a required shape by cold press molding having a desired mold surface shape.

Further, as the skin material 12, a laminated sheet made of a PVC sheet lined with a foam layer such as polyethylene foam may be integrally attached to the surface of the core material 11 by vacuum molding or the like. When performing cold press molding, the core material 11 and the skin material 12 may be press-integrated by simultaneous press molding.

The feature of the present invention is that the door trim 1
The object of the present invention is to prevent the waist portion from being bent up at 0, thereby improving the mounting stability and increasing the positioning accuracy of the door inner seal.

That is, the waist garnish 20
A curved base 21 welded and fixed to the back surface of the waist portion of the core material 11, and a flange 22 extending downward from the base 21 and having a flat surface for attaching the door inner seal 30, A ridge 23 having a triangular cross-section is integrally formed substantially at the center of the inner surface of the inner surface 22 along the entire length in the longitudinal direction.

On the other hand, the door inner panel 40 is formed with hook-shaped bent claws 42 along the entire length along the upper edge of the waist flange portion 41.

Therefore, when the door trim 10 is attached to the door inner panel 40, as shown in FIG.
The ridge 23 provided on the waist garnish 20 is provided with a locking claw 42 provided along the upper edge of the door inner panel 40.
And the engagement relationship is secured along the entire length of the waist garnish 20 in the longitudinal direction. For example, when the door window glass 50 is raised, an external force that lifts the entire waist portion of the door trim 10 upwards However, since the ridge 23 of the waist garnish 20 abuts against the locking claw 42 of the door inner panel 40, the waist portion of the door trim 10 does not bend upward and the waist portion does not bounce. There is an effect that it can be prevented.

Furthermore, the ridge 23 formed on the waist garnish 20 has a triangular cross section, and the inclined surface 23a of the ridge 23 has a guiding function when the door trim 10 is mounted on the door inner panel 40. In comparison with the conventional work of fitting and fixing the projection to the locking hole, the door trim 1
0 can be easily mounted, and there is an effect that mounting workability is improved.

In addition, the end of the waist flange portion 41 of the door inner panel 40 need only be bent, so that the rigidity of the door inner panel 40 does not decrease and the length of the waist flange portion 41 in the vertical direction is reduced. There is also an advantage that there is no restriction and the degree of freedom in panel design is greatly improved.

In the above embodiment, the waist garnish 2
Although the protruding strip 23 is formed at 0 in the entire length in the longitudinal direction, the protrusion may be formed intermittently along the longitudinal direction.

FIGS. 4 and 5 show a second embodiment of an automobile door trim according to the present invention. In this embodiment, a waist flange portion 41 of a door inner panel 40 is provided in a longitudinal direction. A locking claw 42 is cut and raised partially along the upper edge 41 of the waist flange portion 41.
a and the locking claw 42 are set at a distance h, and as shown in FIG. 4, in a state where the door trim 10 is attached to the door inner panel 40, the ridge 23 of the waist garnish 20 is formed.
, And the upper edge 41a of the waist flange portion 41 is brought into contact with the back surface of the door trim 10.

According to this embodiment, as in the first embodiment, the waist garnish 20 and the door inner panel 40 are
Along the entire length in the longitudinal direction, the ridge 23 and the engaging claw 42 are engaged, so that a firm fixation can be performed, and the waist flange 41 of the door inner panel 40 is provided on the back of the waist of the door trim 10. For example, when the door window glass 50 is lowered, or when a downward pressing force is applied to the waist portion, the waist flange portion 4 of the door inner panel 40 is in contact with the upper edge 41a.
The first edge 41a functions as a stopper, so that the waist portion of the door trim 10 is not bent downward and deformed.

Accordingly, it is possible to effectively prevent the waist portion of the door trim 10 from being flexed and deformed in the vertical direction, to improve the mounting stability of the door trim 10, and to improve the positioning accuracy of the door inner seal 30. There is an effect that can be.

FIG. 6 shows a third embodiment of the present invention. In this embodiment, a locking claw 42 provided on the upper edge of the waist flange 41 of the door inner panel 40 is moved downward. It is a configuration that has been hemmed.

According to this embodiment, when the door trim 10 is mounted on the door inner panel 40, the ridges 23 of the waist garnish 20 can easily get over the locking claws 42, and the workability of mounting the door trim 10 is further improved. In addition, after mounting, the engaging force of the engaging claw 42 engaging the ridge 23 of the waist garnish 20 can be enhanced,
There is an advantage that the holding force of the waist garnish 20 is increased and the mounting stability is further improved.

The embodiment shown in FIG. 6 is an embodiment in which a locking claw 42 provided at the tip of the waist flange portion 41 of the door inner panel 40 is hemmed.
For the embodiment shown in FIGS. 4 and 5 in which a locking claw 42 is cut and raised in a part of the waist flange portion 41, hemming processing is performed on both the locking claw 42 and the upper end edge 41a of the waist flange portion 41. May be applied.

[0035]

As described above, the automobile door trim according to the present invention has the following special effects.

(1) A projection is provided along the longitudinal direction on the inner surface of the flange portion of the waist garnish, and a locking claw that engages with the projection is formed along the upper edge of the waist flange portion of the door inner panel. Therefore, the waist garnish can be firmly fixed to the door inner panel along the longitudinal direction of the waist garnish, and a stronger mounting strength can be expected compared to the conventional partial fastening. Has an effect.

(2) Since the projection is provided on the inner surface of the flange portion of the waist garnish and the engaging claw provided along the upper edge of the waist flange portion of the door inner panel is engaged, the vertical direction of the waist flange portion is provided. The effect that the rigidity of the waist flange part can be strengthened, such as the rigidity of the waist flange part can be relaxed, and the rigidity of the door panel can be strengthened, without being restricted by the dimensions of the door panel There is.

(3) According to the fourth aspect of the present invention, the locking claw that engages with the projection provided on the waist garnish is cut and raised in a part of the waist flange portion of the door inner panel, and the waist flange is formed. Since the upper end edge of the portion abuts against the back surface of the door trim, an effect of reliably preventing vertical deformation at the waist portion of the door trim can be prevented.

[Brief description of the drawings]

FIG. 1 is an external view showing an automobile door trim according to the present invention.

FIG. 2 is a cross-sectional view taken along the line II-II in FIG. 1, showing a first embodiment of the present invention.

FIG. 3 is an explanatory diagram showing a relationship between a door inner panel and a waist garnish in the automotive door trim shown in FIG. 2;

FIG. 4 is a sectional view showing the configuration of a second embodiment of the automotive door trim according to the present invention.

5 is an explanatory diagram showing a relationship between a waist garnish and a door inner panel in the vehicle door trim shown in FIG. 4;

FIG. 6 is a sectional view showing the configuration of a third embodiment of the automotive door trim according to the present invention.

FIG. 7 is a sectional view showing a conventional automobile door trim.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Automotive door trim 11 Core material 12 Skin material 20 Waist garnish 23 Ridge piece 30 Door inner seal 40 Door inner panel 41 Waist flange part 42 Locking claw 50 Door window glass

Claims (5)

(57) [Claims] 1. A core material (11) formed into a required shape,
Skin material (12) attached to the surface side of this core material (11)
A base (21) of a waist garnish (20) made of a long resin molded body is attached and fixed along the back surface of the waist of the core material (11).
A door trim for an automobile in which a door inner seal (30) is attached to a flange portion (22) extending downward from 1), wherein the flange portion (2) of the waist garnish (20) is provided.
2) A projection (23) is formed on the inner surface along the longitudinal direction thereof, and is engaged with the projection (23) along the upper edge of the waist flange (41) of the door inner panel (40). An automobile door trim characterized in that the waist garnish (20) and the door inner panel (40) are fixed along the longitudinal direction by setting (42). 2. The projection (23) is formed as a ridge on the inner surface of the flange (22) of the waist garnish (20) along the entire length in the longitudinal direction. An automotive door trim as described. 3. The waist garnish (20) according to claim 1, wherein the projection (23) is formed intermittently along the longitudinal direction on the inner surface of the flange (22) of the waist garnish (20). Automotive door trim. 4. A waist garnish (20) from a waist flange (41) of a door inner panel (40).
The claw (42) engaged with the projection (23) is cut and raised, and the upper edge (41a) of the waist flange (41) is brought into contact with the back surface of the door trim. 2. The vehicle door trim according to claim 1. 5. The automobile door trim according to claim 1, wherein the locking claw (42) and the upper edge (41a) of the waist flange (41) are hemmed.