JPH11240388A - Pocket structure in interior trim - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a simple and inexpensive pocket structure composed of a pocket opening provided at an interior trim and a pocket back cover attached inside thereof. SOLUTION: A pocket opening 31 is opened and a pocket back cover 41 is integrally provided at the edge portion of an interior trim 30 composed of a molded body of synthetic resin via a hinge portion 42 or plural lines of hinge portions so as to simplify die facility and molding process. At the time of attaching the pocket back cover 41 to the inside of the interior trim 30, by a bending operation of the pocket back cover 41 based on the hinge portion 42 or the plural lines of hinge portions and by using engaging paws 34, attaching operation is simplified.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pocket structure in an interior trim such as an automobile door trim, a rear side trim, and a luggage side trim.
The present invention relates to a pocket structure in an interior trim in which a pocket is easily and inexpensively assembled.

[0002]

2. Description of the Related Art Generally, a pocket is provided in an automobile door trim, a rear side trim, a luggage side trim, or the like so as to accommodate various equipments.

FIGS. 10 and 11 show a conventional car door trim provided with pockets. In the drawings, a car door trim 1 has a cushioning property and a decorative property on a surface of a core material 2 formed into a desired curved shape. The outer surface of the door trim 1 is provided with a skin material 3 having
A door pocket portion 4 is provided to accommodate equipment.

The door pocket portion 4 has a pocket opening 5 formed in the door trim 1 and a pocket back cover 6 for forming a pocket space on the back side of the pocket opening 5.

The fixing structure of the pocket back cover 6 is such that a welding boss 7 protruding to the rear surface side is protruded at a predetermined position on the rear surface of the core member 2 of the door trim 1, while the peripheral edge of the pocket back cover 6 is correspondingly provided. After the mounting hole 6a is opened and the welding boss 7 is inserted into the mounting hole 6a, the tip of the welding boss 7 is caulked by ultrasonic welding or heat welding to form the pocket back cover 6. The door trim 1 is fixed to the inner surface side. Or,
Instead of the ultrasonic welding process or the heat welding process of the welding boss 7, a method of fixing with a screw to the mounting boss is also adopted.

[0006]

However, in the conventional door trim 1, in addition to the step of forming the door trim 1, after the pocket back cover 6 is formed into a required shape, it is positioned at a predetermined position of the door trim 1, and welding is performed. Alternatively, since the door trim 1 and the pocket back cover 6 are integrally formed by screwing, a molding die for each of the door trim 1 and the pocket back cover 6 is required. It has been pointed out that productivity is greatly reduced.

In recent years, as shown in FIG. 12, in order to enhance the appearance design, the upper and lower two-part type door trim 1 tends to be frequently used. The trim upper 1a is composed of a trim upper 1a composed of a laminated structure with a skin material and a trim lower 1b composed of an injection molded body of a synthetic resin. The trim lower 1b is composed of an injection molded body of a synthetic resin. Excellent, dramatically improving the freedom of modeling,
On the back side, it is possible to integrally form bosses and claws.

[0008] The present invention has been made in view of such circumstances, and a trim lower 1 made of such a synthetic resin molded article.
An object of the present invention is to provide a pocket structure in an interior trim in which the structure and assembling of a pocket portion can be easily and inexpensively performed by utilizing the high formability of the interior trim such as b.

[0009]

In order to achieve the above object, according to the first aspect of the present invention, there is provided a pocket structure in an interior trim having an interior trim made of a synthetic resin molded body and a pocket portion capable of accommodating equipment. A pocket opening is opened in the interior trim, a pocket back cover is integrally formed at a predetermined portion of an edge of the interior trim via a hinge portion, and the pocket back cover is attached to the inner surface of the interior trim based on the hinge portion. The pocket back cover is fixed to the back side of the pocket opening by bending operation to the side.

Here, the interior trim includes an automobile door trim, a rear side trim, a luggage side trim, and the like, and any application can be used as long as the interior trim is made of a synthetic resin molded body.

The resin material used for the interior trim is as follows:
Any material can be used as long as it has a hinge function.
Resin, polyolefin resin such as PE resin is preferable,
In particular, a polypropylene resin mixed with a filler such as talc is preferable in consideration of moldability, rigidity, cost, and the like.

Further, the invention according to claim 2 is characterized in that the hinge portion is constituted by a plurality of rows of hinge portions.

[0013] Next, according to a third aspect of the present invention, an engaging claw is formed at an appropriate position on the back surface of the interior trim, and is formed on a peripheral portion of the pocket back cover so as to correspond to the engaging claw. Is characterized in that a mounting hole or a mounting recess is provided.

According to a fourth aspect of the present invention, the interior trim is a door trim lower corresponding to a lower portion of a vertically divided door trim, and is assembled with a door trim upper corresponding to an upper portion. Is constituted.

As is apparent from the above configuration, claim 1
According to the described invention, the molding of the interior trim and the molding of the pocket back cover can be performed in the same mold and in the same process, and the pocket back cover is bent toward the inner side of the interior trim based on the hinge portion. If operated, the pocket back cover can be easily positioned at the mounting position.

Further, according to the second aspect of the present invention, the pocket back cover is integrated with the edge of the interior trim through the hinge, and the hinge is a multi-row hinge. When positioning the pocket back cover on the inner side of the interior trim using the flexibility of the part,
The pocket back cover can be finely adjusted vertically or horizontally.

According to the third aspect of the present invention, the mounting structure for attaching the three sides of the pocket back cover except the hinge portion to the inner surface side of the interior trim has a locking claw projecting from the rear surface of the interior trim. At least a part of the attachment structure that engages with the attachment hole or the attachment concave portion provided at the edge of the pocket back cover at the position where it is to be used can eliminate the conventional troublesome welding caulking process and screwing process. .

[0018] Further, if a locking claw engaging structure is adopted along all three sides except the hinge portion of the pocket back cover,
The fixing of the pocket back cover is completed by a one-touch operation simply by bending the pocket back cover toward the inner side of the interior trim based on the hinge portion.

Further, according to the invention of claim 4, when the present invention is applied to a trim lower in a door trim of the upper and lower two-part type, even if the trim lower and the pocket back cover have an integrated structure, the size of the molding die is increased. And the molding load is small.

[0020]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a door pocket structure in which a pocket structure in an interior trim according to the present invention is applied to a door trim will be described in detail with reference to FIGS.

FIG. 1 is a front view showing a door trim to which the present invention is applied, FIG. 2 is a sectional view showing the structure of the vehicle door trim, FIG. 3 is an exploded perspective view showing the structure of the vehicle door trim, and FIG. FIG. 5 is an explanatory view showing an assembling work of the pocket back cover in the door trim, FIG. 5 is a cross-sectional view showing a state after the pocket back cover is attached in the door trim, and FIG. 6 is a modification of the first embodiment of the pocket structure according to the present invention. FIG. 7 is a perspective view showing a second embodiment of the present invention, and FIGS. 8 and 9 are a cross-sectional view and an explanatory view showing an attached state of a pocket back cover in the door trim.

A first embodiment of the present invention will be described with reference to FIGS. First, in FIGS. 1 and 2, a door trim 10 for an automobile according to the present invention is composed of an upper and lower divided body of a trim upper 20 and a trim lower 30, and a door pocket is provided below the surface of the door trim 10, that is, in the trim lower 30. The section 40 is set.

More specifically, the trim upper 20 is composed of a laminate of a resin core material 21 formed into a required shape and a skin material 22 that is integrally attached to the surface thereof and imparts decorativeness and design. In this embodiment, the resin core material 2
As 1, a polypropylene resin mixed with talc is molded into a required shape by mold press molding. As the skin material 22, a laminated sheet material with a polyethylene foam lined on the back surface of a PVC sheet is used. The skin material 22 is set in the mold in advance, and is integrally press-molded when the resin core material 21 is subjected to mold press molding. Note that a thermoplastic resin plate or a thermoplastic composite resin plate may be used as the resin core 21, and the resin core 21 and the skin 22 may be integrated by cold press molding.

On the other hand, the trim lower 30 is made of an injection molded body of a synthetic resin. In this embodiment, the trim lower 30 is made of a polypropylene resin mixed with talc. A speaker grill 32 is integrally formed on the side.

Next, the trim upper 20 and the trim lower 3
As shown in FIG. 2, as shown in FIG. 2, joining bosses 33 are formed on the rear surface of the trim lower 30 at appropriate pitch intervals along the upper edge thereof, and the trim upper 20 is formed so as to correspond thereto. A mounting hole 23 is formed along the lower edge. Then, the joining boss 33 of the trim lower 30 is provided.
Into the mounting hole 23 of the trim upper 20,
The tip of the joining boss 33 is crimped by ultrasonic processing, heat welding, or the like, whereby the trim upper 20 and the trim lower 30 are firmly integrated.

The present invention makes it possible to easily and inexpensively assemble the door pocket portion 40 set in the automobile door trim 10, as shown in FIGS.
The pocket back cover 41 is integrated with the lower edge of the trim lower 30 via a thin hinge portion 42. This pocket back cover 41
Are provided with flanges 43 along three sides around the periphery except for the hinge portion 42 joined to the trim lower 30. The pocket back cover 41 is developed before assembling the pocket back cover shown in FIGS. In this state, a rectangular box (shallow-bottomed container) -shaped projection 44 is formed so as to protrude toward the indoor side, and the inner space of the projection 44 forms a pocket space.

In the first embodiment of the present invention, the pocket back cover 41 is attached to the inner surface side of the trim lower 30 at three positions on the edge of the pocket back cover 41 facing the hinge portion 42. Hole 4
5 and a pocket back cover 4
One mounting hole 45 is formed in each of the flanges 43 on both sides of each one. On the other hand, when this pocket back cover 41 is assembled on the inner surface side of the trim lower 30, a locking claw 34 is integrally formed on the rear surface side of the trim lower 30 corresponding to the mounting hole 45.

Therefore, as shown by the arrow in FIG. 4, the pocket back cover 41 is
Of the locking claw 3 corresponding to the inside of the mounting hole 45 provided in the flange 43 of the pocket back cover 40 by bending the inner surface of the pocket back cover 40.
By attaching 4, it is possible to easily attach and fix the pocket back cover 41 to the back side of the pocket opening 31 with one touch.

As described above, in the first embodiment of the present invention, the pocket back cover 41 is formed integrally with the lower edge of the trim lower 30 constituting the lower half of the door trim 10 via the hinge portion 42 and the hinge portion. 42, the pocket back cover 41 is bent and fixed to the inner surface of the trim lower 30.
According to the present invention, as compared to a structure in which the pocket back cover 41 is formed at a predetermined location on the inner surface of the trim lower 30 after the pocket back cover 41 and the pocket back cover 41 are formed in separate molds and in separate steps, A mold can be used, and a molding process can be simplified, so that mold equipment can be simplified and the number of processing steps can be reduced.

Further, in the present embodiment, when the pocket back cover 41 is bent toward the inner surface of the trim lower 30 based on the hinge portion 42, the locking claws 34 of the trim lower 30 are engaged in the mounting holes 45 of the pocket back cover 41. Since the attachment of the pocket back cover 41 is completed by one-touch operation, the productivity is remarkably superior to that of the conventional welding or screw fixing structure.

As described above, the joining structure between the pocket back cover 41 and the trim lower 30 employs the engaging structure using the locking claws 34 on the remaining three sides of the pocket back cover 41 except for the hinge portion 42. However, as shown in FIG. 6, the edge of the pocket back cover 41 facing the hinge portion 42 is engaged and fixed by three locking claws 34 provided on the back surface of the trim lower 30, and the pocket back cover 4
A mounting boss 35 is provided corresponding to the mounting hole 45 provided on the flanges 43 on both sides of the pocket back cover 1, and the tip of the welding boss 35 is subjected to ultrasonic welding or heat welding to form a pocket back cover 41. May be completed.

As described above, the attachment structure using the locking claws 34 can be easily mounted, but tends to be slightly inferior in mounting strength. However, when the pocket back cover 41 is mounted on the inner surface of the trim lower 30, the entire structure is required. Locking claw 34
Or all of the welding boss 35, or
It is optional to select whether to use both of them.

Although not shown, instead of the engaging structure of the locking claw 34 provided on the inner surface of the trim lower 30 and the mounting hole 45 provided on the flange 43 of the pocket back cover 41,
It is also possible to provide a mounting recess for engaging with the locking claw 34 instead of the mounting hole 45.

As described above, the present invention employs a structure in which the pocket back cover 41 is integrated with the trim lower 30 based on the hinge portion 42, thereby simplifying the mold equipment and shortening the molding process. Since the structure integrated with the hinge portion 42 is adopted, the locating operation can be easily performed simply by bending the pocket back cover 41 toward the inner side of the trim lower 30 based on the hinge portion 42, and the lower edge of the pocket back cover can be formed. The mounting operation can be eliminated, and there is an effect that productivity in the mounting operation is improved.

Further, by utilizing the high formability of the trim lower 30, the locking claw 34 for engaging the pocket back cover 41.
Can be formed by conventional welding and caulking,
By adopting an engagement structure using the locking claw 34 instead of the screwing process, the mounting workability can be further simplified, and even if the locking structure using the engagement claw 34 is partially adopted, the conventional structure can be used. It is clear that the productivity is higher than that of the mounting structure. Further, if the engaging structure by the locking claws 34 is adopted for all, the pocket back cover 41 is
If the pocket back cover 41 is bent to the inner surface side of the trim lower 30 based on the above and pressed, the pocket back cover 41 can be easily mounted and fixed to the inner surface of the trim lower 30 with one touch, and the mounting workability is dramatically improved.

FIGS. 7 to 9 show a second embodiment of the present invention, in which a door pocket portion 40 is provided in a trim lower 30 of the upper and lower two-part type.
The same parts as those in the above-described first embodiment are denoted by the same reference numerals, and description thereof will be omitted.

In the present embodiment, a pocket back cover 41 is provided on the lower edge of the trim lower 30 with a plurality of rows of hinge portions 46.
Are integrated through This multi-row hinge portion 46
Has a shape in which thick portions and thin portions are alternately continuous in a direction perpendicular to the side joined to the trim lower 30. As shown in FIG. When bending and assembling on the inner surface side of the trim lower 30, the flexibility of the multi-row hinge portion 46 is utilized to make use of FIG.
Since the pocket back cover 41 can be finely adjusted in the up and down direction indicated by the middle arrow, for example, the locking claw 34 protrudingly formed on the inner surface of the trim lower 30 or the pocket back cover 41
Even if there is a variation in the mounting hole 45 formed in the pocket, the variation and error can be effectively absorbed by utilizing the flexibility of the multiple row hinge portion 46, and the mounting of the pocket back cover 41 can be smoothly performed. it can.

Further, as shown by arrows in FIG. 9, since the pivoting operation can be performed in the left-right direction by utilizing the flexibility of the multiple-row hinge portion 46, the mounting holes 45 of the left and right flanges 43 of the pocket back cover 41 are formed. The work can be smoothly performed also in the work of aligning with the locking claws 34 and the welding boss 35.

In the embodiment described above, the door pocket portion 40 installed in the upper and lower two-part type vehicle door trim 10 including the trim upper 20 and the trim lower 30 is described.
However, as long as the resin molded body is made of a resin material having a hinge function, the present invention is not particularly limited to door trims, but can be applied to rear side trims, luggage side trims, and the like.

[0040]

As described above, the pocket structure in the interior trim according to the present invention has the following special effects.

(1) According to the first aspect of the present invention, the pocket back cover is made integral with the edge of the interior trim having the pocket opening through a hinge portion, which is made of a synthetic resin molded body. Because of this, the interior trim and the pocket back cover are conventionally molded in separate processes using separate molds, which simplifies the mold equipment and eliminates the need to attach the lower edge of the pocket back cover. Therefore, there is an effect that the molding process and the mounting process can be shortened.

(2) According to the second aspect of the present invention, since the interior trim and the pocket back cover are integrated via a plurality of rows of hinges, the pocket back cover is provided on the inner side of the interior trim. The pocket back cover can be finely adjusted in the up, down, left and right directions by using the flexibility of the multiple row hinge part during bending operation.
This has the effect that dimensional variations and the like can be effectively absorbed, and smooth pocket back cover mounting work can be expected.

(3) According to the third aspect of the present invention, the pocket back cover integrated with the edge portion of the interior trim through the hinge portion or the plurality of rows of hinge portions is bent and fixed to the inner surface side of the interior trim. At this time, at least a part of the attachment portion between the interior trim and the pocket back cover has an engagement structure by a locking claw, so that the pocket back cover is bent toward the back side of the interior trim based on the hinge portion and the multiple-row hinge portion. By operating and pressing, the two are fixed, greatly reducing the number of processing steps compared to the conventional welding caulking and screwing processes, and fixing the pocket back cover to the interior trim rear surface using only locking claws. Then, the pocket back cover is folded back to the back side of the interior trim based on the hinge portion or the multi-row hinge portion, and the pocket cover is Assembly is complete Kukaba has the effect that the mounting work can be further simplified.

(4) According to the fourth aspect of the present invention, since the pocket back cover is integrated with the edge of the upper and lower two-part type door trim lower through a hinge or a plurality of rows of hinges, Since the door trim lower is compact, large mold equipment is not required, the load required for molding is reduced, and the effect is high.

[Brief description of the drawings]

FIG. 1 is a front view showing an embodiment of a door trim to which a pocket structure in an interior trim according to the present invention is applied.

FIG. 2 is a sectional view taken along line II-II in FIG.

FIG. 3 is a perspective view of a trim lower in the door trim shown in FIG. 1 as viewed from a front surface side.

FIG. 4 is an explanatory view showing the first embodiment according to the present invention and showing an assembling work procedure of the pocket back cover.

FIG. 5 is a sectional view showing a state in which a pocket back cover is assembled to a trim lower in the door trim shown in FIG. 1;

FIG. 6 is a perspective view of a trim lower showing a modification of the first embodiment of the door trim according to the present invention.

FIG. 7 is a perspective view showing a second embodiment of a door trim to which a pocket structure in an interior trim according to the present invention is applied, as viewed from a surface of a trim lower.

FIG. 8 is a sectional view showing an operation of assembling the pocket back cover in the trim lower shown in FIG. 7;

FIG. 9 is an explanatory view showing a folding operation of the pocket back cover in the trim lower shown in FIG. 7;

FIG. 10 is a front view showing a conventional door trim having a door pocket.

11 is a sectional view taken along line XI-XI in FIG.

FIG. 12 is a front view showing a conventional upper and lower two-part type door trim.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Car door trim 20 Trim upper 30 Trim lower 31 Pocket opening 34 Locking claw 35 Welding boss 40 Door pocket part 41 Pocket back cover 42 Hinge part 43 Flange 44 Convex part 45 Mounting hole 46 Multiple row hinge part

Claims (4)

[Claims] An interior trim (3) made of a synthetic resin molded body.
In the pocket structure of the interior trim, in which a pocket (40) capable of accommodating equipment is installed in the interior trim (0), an opening (31) for a pocket is opened in the interior trim (30) and an edge of the interior trim (30). Pocket back cover (4) at a predetermined portion of the
1) is integrally formed, and the pocket back cover (41) is bent on the inner side of the interior trim (30) based on the hinge part (42), and the pocket back cover is provided on the back side of the pocket opening (31). (41) A pocket structure in an interior trim, wherein the pocket structure is fixed. 2. The hinge part (42) comprises a multi-row hinge part (46).
The pocket structure in the described interior trim. 3. An engaging claw (34) is formed at an appropriate position on the back surface of the interior trim (30), and a pocket back cover (41) is formed so as to correspond to the engaging claw (34). The pocket structure in the interior trim according to claim 1 or 2, wherein a mounting hole (45) or a mounting concave portion is formed in a peripheral portion. 4. The interior trim (30) is a door trim lower (30) corresponding to a lower portion of the door trim (10) having a vertically divided structure, and a door trim upper (20) corresponding to an upper portion. And a door trim (10) configured by assembling the door trim (10).