JP2007145245A - Interior trimming material for vehicle and assembling method of interior trimming material for vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an interior trimming material for a vehicle and an assembling method of an interior trimming material for the vehicle, which easily perform its assembling and certainly fixes it according to its use regarding the interior trimming material for the vehicle comprising two or more of parts, for example, such as a door trim provided with an arm rest. <P>SOLUTION: The interior trimming material 1 for the vehicle comprising at least two parts is provided with: a claw part 31 provided on one part 20 side; an engagement part 32 of the claw part 31 provided on the other part 10 side; and a boss part 33 provided adjacent to the engagement part 32. A fixing member 34 arranged/assembled to the boss part 33 is pressed to the claw part 31 and an end of the boss part 33. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a vehicle interior material and a method for assembling the vehicle interior material, and more particularly to a vehicle interior material composed of two or more parts and a method for assembling the vehicle interior material.

Interior materials are arranged in the interior of the automobile, and constitute each part in the interior of the automobile. The interior material is composed of a plurality of parts, and the plurality of parts are assembled.
For example, a door trim is disposed inside the door, and an armrest is installed on the door trim so that a seated occupant can put an elbow on the door trim.
At this time, the armrest is created as a separate body, and the armrest is attached to the base material of the door trim.

  A conventional armrest mounting structure is shown in FIG. FIG. 4A is a main part explanatory view showing a conventional armrest mounting structure, and FIG. 4B is a cross-sectional view taken along the line bb of FIG. 4A. As shown in the figure, conventionally, a claw portion 131 is formed on the armrest 120, and this claw portion 131 is engaged with an engagement portion 132 provided on the door trim base 110 side, whereby the armrest 120 is attached to the door trim base. It was attached to the material 110.

With the above configuration, the armrest 120 can be easily attached to the door trim base 110, and the number of man-hours and the cost can be reduced.
However, in the above configuration, since the armrest 120 is attached to the door trim base 110 only through the claw 131, there is a problem that sufficient strength cannot be maintained when a large load or impact is applied to the armrest 120. was there.

For this reason, the attachment method shown in FIG. 5 is also known. FIG. 5A is an explanatory diagram of a main part showing a mounting structure using screws, and FIG. 5B is a cross-sectional view taken along the line cc of FIG. 5A.
As shown in the figure, in the conventional example shown in FIG. 5, a boss portion 133 is provided on the armrest 120, and a screw 134 is disposed on the boss portion 133 from the back side, and the armrest 120 is attached to the door trim base 110. Yes.
With such a configuration, sufficient strength can be maintained when the armrest is attached to the door trim.
However, the attachment method shown in FIG. 5 has a disadvantage in that the external appearance of the door trim base 110 and the armrest 120 cannot be visually confirmed during assembly because the screws 134 must be attached from the back side of the member.

In order to solve the above-described problem, a bifurcated sandwiching member is provided on the armrest side, this sandwiching member is engaged with an engagement hole provided on the door trim side, and the peripheral portion of the engagement hole is sandwiched by the sandwiching member. The structure which fixed as mentioned above and improved the assembly | attachment property of an armrest is proposed (for example, refer patent document 1).
JP-A-9-104275

  According to the configuration of Patent Document 1, a plurality of clamping members are provided on the armrest side, and the clamping members are engaged with a plurality of engagement holes provided on the door trim side, and the door trim base material is sandwiched at the position of the engagement holes. Since it is fixed, it is possible to ensure the strength when the armrest is attached.

However, in the technique of Patent Document 1, when the armrest is attached to the door trim, it is necessary to securely attach the peripheral edge portion of the engagement hole with the holding member, so it is necessary to confirm the position of the holding member and the like. There was a problem that it took.
In addition, there is a problem that the shape of the sandwiching member is complicated and easily damaged.

  An object of the present invention is a vehicle that can be easily assembled with respect to a vehicle interior material composed of two or more parts, such as a door trim having an armrest, and can be reliably fixed depending on the application. It is providing the interior material for vehicles, and the assembly method of this vehicle interior material.

  According to the present invention, there is provided a vehicle interior material comprising at least two parts, the engagement of a claw part provided on one part side and the claw part provided on the other part side. And a boss portion provided adjacent to the engaging portion, and the boss portion is provided with a fixing member that is pressed against the claw portion and an end portion of the boss portion. Is solved.

As described above, the vehicle interior material of the present invention engages the claw portion provided in one component and the engaging portion provided in the other component at the time of assembling, and the other component side. The fixing member is disposed and assembled.
That is, it is configured to perform assembly using two fixing means of the claw portion and the fixing member.
Of the two fixing means, the claw portion has a function of being able to work while visually confirming the appearance of the product during assembly.
The fixing member has a function of securely fixing the two members.

It is preferable that the claw portion is provided with a rib and the fixing member is pressed against the rib. Further, it is preferable that a rib is provided on the boss portion and the fixing member is pressed against the rib.
By providing the rib, the fixing member can be securely and firmly attached to the claw portion and the boss portion.
Furthermore, it is preferable that the rib of the claw portion, the rib of the boss portion, and the end portion of the boss portion are located on substantially the same plane.
With such a configuration, it is possible to reliably press the fixing member against the claw portion and the boss portion.

  Further, it is preferable that the claw portion includes an arrangement portion for the boss portion. Since the claw portion is provided with the boss portion disposition portion, the claw portion and the boss portion can be positioned closer to each other, and the space for attachment can be saved. In addition, since the claw part and the boss part are located close to each other, when the fixing member is arranged, the number of engagement points between the fixing member, the claw part, and the boss part increases, and assembly can be performed with higher strength It becomes.

  More specifically, the one part is an armrest, and the other part is a door trim base material. In the vehicle interior material according to the present invention, since the two parts are attached by the claw portion and the fixing member, the attachment is made with high strength even in a part where a load is always applied like an armrest. It can be carried out. Therefore, it is possible to avoid problems such as a gap between the armrest and the door trim due to aging and a decrease in the mounting strength of the armrest, and to maintain a good mounting state.

The method for assembling the vehicle interior material of the present invention is as follows.
That is, a method for assembling a vehicle interior material composed of at least two parts, the step of engaging a claw part provided on one part side with an engaging part provided on the other part side; A step of disposing a fixing member on a boss portion provided adjacent to the engaging portion; and a step of pressing the fixing member against the claw portion and an end portion of the boss portion. To do.

  It is to be noted that substantially simultaneously with the step of engaging the claw portion provided on the one component side with the engagement portion provided on the other component side, the disposition portion of the boss portion provided on the claw portion It is preferable to perform the step of positioning the boss portion.

  According to the interior material for a vehicle and the method for assembling the same according to the present invention, the assembly is performed by the two fixing means of the claw portion provided on one component side and the fixing member provided on the other component side. It is configured.

Therefore, it is possible to perform the assembling work efficiently while visually confirming the appearance of the product by assembling at the claw portion.
Moreover, about the assembly | attachment of components which require attachment strength like an armrest, it becomes possible to ensure assembly | attachment strength and to ensure the tolerance with respect to a load and an impact by attaching a fixing member.

  Furthermore, according to the present invention, since the attachment with the claw portion and the fixing member is possible, the attachment with only the claw portion and the attachment with both the claw portion and the fixing member are performed for each vehicle interior material to be assembled. It can be selected, and it is possible to assemble with appropriate strength.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. The members, arrangements, and the like described below are not intended to limit the present invention and can be variously modified within the scope of the gist of the present invention.

  1 to 3 relate to an embodiment of the present invention. FIG. 1 is an explanatory view showing a door trim as an example of a vehicle interior material, and FIG. 2 is an explanatory view showing the back side of part A in FIG. 3 is a cross-sectional view taken along line aa in FIG.

  In this example, the vehicle interior material will be described based on a door trim provided with an armrest. However, the present invention is not limited to this and can be applied to attachment of various vehicle interior materials. For example, the present invention can be applied to an instrument panel or roof lining provided with a resin member, or a seat back provided with a resin member.

  In FIG. 1, a door trim 1 as an interior material for a vehicle is a member that interiors an automobile door, and includes a door trim base material 10 and an armrest 20. The door trim base 10 is made of a hard synthetic resin such as polypropylene (PP). The armrest 20 is disposed on the door trim base 10, protrudes toward the passenger compartment, and has a shape that is long in the longitudinal direction of the vehicle body.

As shown in FIG. 3, the armrest 20 includes a core material 21 made of a hard resin such as polypropylene and a skin material 22 that covers the surface of the core material 21.
The skin material 22 of this example is composed of a skin layer 22a made of vinyl chloride resin leather or the like and a backing layer 22b made of polyethylene foam or the like.

  The armrest 20 is a separate body from the door trim base material 10 and is attached to a predetermined position of the door trim base material 10. In this example, the armrest 20 and the door trim base material 10 are assembled in an assembly section 30 described below.

  Details of the assembling unit 30 are shown in FIGS. The assembly portion 30 includes a claw portion 31 provided on the armrest 20, a claw engagement surface 32 as an engagement portion provided on the door trim base material 10, and the claw engagement surface 32. The boss portion 33 provided adjacent to the boss portion 33 and a fixing member disposed on the boss portion 33.

The claw portion 31 is integrally provided on the inner side surface 23 of the armrest 20. As shown in FIG. 3, the claw portion 31 is formed to project obliquely downward from the direction of the arm placement surface 24 of the armrest 20.
The tip portion of the claw portion 31 is formed in a claw shape and is formed so as to be engageable with the edge portion of the claw engagement surface 32.
Note that the claw portion 31 may not be integrated with the armrest 20 as long as it is securely fixed to the inner side surface 23 of the armrest 20.

As shown in FIG. 2, two ribs 31 b are juxtaposed on the back surface 31 a of the claw portion 31. The rib 31b includes a side 31c substantially parallel to the back surface 31a of the claw portion 31 and an inclined side 31d.
As shown in FIG. 3, the inclined side 31 d is formed so as to be substantially flush with the end surface 33 b located at the end of the boss portion 33.

Between the two ribs 31b of the claw portion 31, an arrangement portion 31e of the boss portion 33 is formed.
The arrangement part 31e is formed in a shape in which the tip part of the claw part 31 is cut out in a semicircular shape.
The arrangement part 31e is formed in a size that allows the boss part 33 to be fitted.
In addition, the arrangement | positioning part 31e is not restricted to a semicircle, What is necessary is just to be able to fit the boss | hub part 33, and other shapes, such as a rectangle and a polygon, may be sufficient.

The claw portion 31 engages and is fixed to a claw engagement surface 32 provided integrally with the door trim base material 10.
That is, as shown in FIG. 3, the front end portion of the claw portion 31 is engaged so as to be hooked on the edge portion of the claw engagement surface 32.

The boss portion 33 is formed integrally with the door trim base material 10, and a hole 33a for disposing a fixing member is provided at the center.
As described above, the end surface 33b of the boss portion 33 is configured to be located on the same plane as the inclined side 31d of the rib 31b of the claw portion 31.

  The boss part 33 is provided with two ribs 33c. As shown in FIG. 3, the side 33 d of the rib 33 c is also configured to be located on the same plane as the inclined side 31 d of the rib 31 b of the claw portion 31 and the end surface 33 b of the boss portion 33.

  The boss portion 33 is provided with a tapping screw 34 as a fixing member. The tapping screw 34 includes a head portion 34a and a screw portion 34b. When the screw portion 34b is tightened into the hole 33a of the boss portion 33, the screw portion 34b itself is fixed to the hole 33a while cutting the screw.

When the tapping screw 34 is tightened, as shown in FIG. 3, the head 34 a of the tapping screw 34 includes the inclined side 31 d of the rib 31 b of the claw portion 31, the end surface 33 b of the boss portion 33, and the rib of the boss portion 33. Crimped to the side 33d of 33c.
By tightening the tapping screw 34, the claw portion 31 is fixed while being pressed against the head portion 34a of the tapping screw 34, and the claw portion 31 is pressed against the claw engaging surface 32, so that the claw portion 31 is securely fixed.

The method of assembling the vehicle interior material in the assembly part 30 is as follows.
First, the claw portion 31 provided on the armrest 20 side which is one part is engaged with the claw engaging surface 32 provided on the door trim base material 10 side which is the other part.
When the claw portion 31 is engaged with the claw engagement surface 32, the boss portion 33 is positioned on the arrangement portion 31 e provided on the claw portion 31.
At the said process, it attaches, visually observing the external appearance of the door trim base material 10 and the armrest 20. FIG.

Next, a tapping screw 34 as a fixing member is disposed on a boss portion 33 provided adjacent to the claw engaging surface 32.
Further, the claw portion 31 and the boss portion 33 are pressed while the tapping screw 34 is tightened.
In this way, the armrest 20 is securely fixed to the door trim base material 10.

In the method of assembling the vehicle interior material, the tapping screw 34 may not be provided in some cases.
That is, when sufficient fixing strength can be maintained only by the engagement between the claw portion 31 and the claw engagement surface 32, the tapping screw 34 may not be provided.
In the present invention, since the fixing is performed by both the claw portion 31 and the tapping screw 34, the fixing method using the claw portion 31 and the tapping screw 34 is selectively used. The interior material can be assembled.

It is explanatory drawing which shows the door trim as an example of the vehicle interior material of this invention. It is explanatory drawing which shows the A section back side of FIG. It is the sectional view on the aa line of FIG. 4A and 4B are explanatory views showing a conventional example. 5A and 5B are explanatory views showing a conventional example.

Explanation of symbols

1 Door trim (vehicle interior material)
10 Door trim base material (the other part)
20 Armrest (one part)
21 Core material 22 Skin material 22a Skin layer 22b Backing layer 23 Inner side surface 24 Arm placement surface 30 Assembly portion 31 Claw portion 31a Back surface 31b Rib 31c Side 31d Inclined side 31e Arrangement portion 32 Claw engagement surface 33 Boss portion 33a Hole 33b End face (end)
33c rib 33d side 34 tapping screw (fixing member)
34a Head 34b Screw part

Claims (8)

Vehicle interior material comprising at least two parts,
A claw portion provided on one component side, an engagement portion of the claw portion provided on the other component side, and a boss portion provided adjacent to the engagement portion,
An interior material for a vehicle, wherein a fixing member pressed against the claw portion and an end portion of the boss portion is disposed and assembled to the boss portion.   The vehicle interior material according to claim 1, wherein a rib is provided on the claw portion, and the fixing member is pressed against the rib.   The vehicle interior material according to claim 1, wherein a rib is provided in the boss portion, and the fixing member is pressed against the rib.   The vehicle interior material according to any one of claims 1 to 3, wherein a rib of the claw portion, a rib of the boss portion, and an end portion of the boss portion are located on substantially the same plane.   The vehicle interior material according to claim 1, wherein the claw portion includes an arrangement portion of the boss portion.   The vehicle interior material according to claim 1, wherein the one part is an armrest, and the other part is a door trim base material. A method of assembling a vehicle interior material comprising at least two parts,
Engaging the claw portion provided on one component side with the engaging portion provided on the other component side;
Disposing a fixing member on a boss provided adjacent to the engaging portion;
A method of assembling the vehicle interior material, the method comprising pressing the fixing member against the end of the claw portion and the boss portion.   At substantially the same time as the step of engaging the claw portion provided on the one component side with the engagement portion provided on the other component side, the boss is disposed on the boss portion provided on the claw portion. The method for assembling the vehicle interior material according to claim 7, wherein a step of positioning the portion is performed.

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