JPH07151112A - Cover fixing structure in automobile interior equipment installing part - Google Patents

Abstract

PURPOSE:To dispense with welding work or bonding work without employing fastening parts. CONSTITUTION:In cover fixing structure in an automobile interior equipment installing part, a speaker installing part 3 is arranged at a rear quarter trim in a cabin, while a boss pin 7 for cover installation is arranged at the speaker installing part 3. When no speaker is to be installed, a special-form hole 8 is arranged in a cover main body 5a for covering the speaker installing part 3. By inserting the boss pin 7 into the special-form hole 8, the inner peripheral edge of the special-form hole 8 is deformed elastically, so that the cover main body 5a can be fixed to the speaker installing part 3.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cover fixing structure for a mounting portion of an automobile interior article.

[0002]

2. Description of the Related Art Conventionally, interior parts (options) such as a speaker have been installed in the interior of an automobile in response to a user's request, and the speaker has a rear quarter trim 51 as shown in FIG. It is attached to interior materials such as. However, this speaker for an automobile is an optional component and may not be mounted on the rear quarter trim 51. In such a case, the speaker mounting portion 53 of the rear quarter trim 51 is covered with the speaker cover 52 made of an iron plate. Has become. The speaker cover 52 is fixed by fastening parts (screws, screws, bolts, nuts, etc.) or fixed by welding or adhesion.

For this reason, four speaker mounting bosses (projections) 54 each having a screw hole are provided around the speaker mounting portion 53 so as to project in the front, rear, up and down directions.
Further, the speaker cover 52 has a mounting hole 56 corresponding to the boss 54, into which a screw 55 of a fastening component is inserted. When mounting the speaker cover 52, the speaker cover 52 is held and overlapped with the speaker mounting portion 53 of the rear quarter trim 51, and the screw 55 is screwed into the boss 54 through the mounting hole 56. Is fixed to the rear quarter trim 51,
The speaker mounting portion 53 will be covered.

Further, as shown in FIG. 10, a cover mounting boss pin 57 is provided between the speaker mounting bosses 54 around the speaker mounting portion 53 in another cover fixing structure. Then, when mounting the speaker cover 52, the speaker cover 52 is held, and the boss pin 57 is inserted into the mounting hole 56 as shown in FIG. 11, and is superposed on the speaker mounting portion 53 of the rear quarter trim 51. In this state, as shown in FIG. 12, when the tip portion of the boss pin 57 protruding from the speaker cover 52 is melted with a trowel or the like, the speaker cover 52 is moved to the rear quarter trim 51.
And the speaker mounting portion 53 is covered.

[0005]

However, in the conventional cover fixing structure as shown in FIG. 9, since fastening parts such as the screw 55 are required, the number of parts and the number of working steps are increased, and the cost is increased. In addition, it was not possible to improve workability.

Further, in the conventional cover fixing structure as shown in FIGS. 10 to 12, since the rear quarter trim 51 and the speaker cover 52 are welded by the boss pin 57, the operator's skill is required. In addition to poor workability, defective products often occur due to welding mistakes, resulting in high cost. In addition, the cover fixing structure by adhesion has the same problem as the welding work, and the work environment may be deteriorated by the use of the adhesive.

The present invention has been made in view of the above circumstances, and an object thereof is to provide a mounting portion of an automobile interior part which does not use a fastening component and does not need to perform welding work or bonding work. It is to provide a cover fixing structure.

[0008]

In order to solve the above-mentioned problems of the prior art, in the present invention, an interior product mounting portion is provided on an interior material in a vehicle compartment, and a projection is provided on the mounting portion. When the interior product is not attached, the cover body that covers the mounting portion is provided with a modified hole, and the projection hole is inserted into the modified hole to elastically deform the modified hole so that the cover body is attached to the interior product. It is fixed to.

In another aspect of the present invention, an interior product mounting portion is provided on an interior material in a vehicle compartment, and a protrusion for mounting the interior product is integrally formed on the mounting portion, and the interior product is not mounted. Sometimes, a deformed hole is provided in the cover body that covers the mounting portion, and the deformed hole is elastically deformed by inserting the protrusion into the deformed hole to fix the cover body to the mounting portion of the interior component. .

[0010]

In the cover fixing structure for the mounting portion of the automobile interior product according to the present invention, a protrusion is provided on the mounting portion of the interior product, or a protrusion for mounting the interior product is integrally formed, and the interior product is not attached. At this time, these protrusions are inserted into the deformed holes of the cover body, and the friction resistance generated by the elastic deformation of the deformed holes is used to fix the cover body to the mounting parts of the interior parts. There is no need to perform work such as tightening with parts, welding protrusions with a trowel or the like, or adhering with an adhesive.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below based on the illustrated embodiments.

1 to 5 show an embodiment of a cover fixing structure in a mounting portion of an automobile interior article according to the present invention. In the figure, reference numeral 1 is an automobile to which the cover fixing structure of the present embodiment is applied, 2 is a rear quarter trim arranged in the passenger compartment of the automobile 1, and this rear quarter trim 2 is on the inside of a side body, door, etc. It is configured as an interior material that is a resin molded part that covers the.

On the rear side of the rear quarter trim 2 (on the side opposite to the passenger compartment), there is provided a speaker mounting portion 3 for mounting an optional interior product (optional product) such as a speaker (not shown). A plurality of elongated holes 4 extending in the front-rear direction of the vehicle body are arranged in parallel at intervals in the vertical direction in a portion surrounded by the peripheral edge of the. Since the speaker is an optional part and may not be attached to the rear quarter trim 2, the speaker cover 5 which is a club member is attached to the speaker attaching portion 3 for the reason of closing the long hole 4 or the like, and the speaker cover concerned. The speaker mounting portion 3 is covered by 5.

Further, four bosses 6 which are speaker mounting projections are integrally formed around the speaker mounting portion 3 and project at front and rear positions of the vehicle body and at positions above and below the vehicle body at intervals in the circumferential direction. These bosses 6 are provided with screw holes 6 into which screws or the like (not shown) for fastening speakers are screwed.
a is formed. Moreover, a boss pin 7 for mounting the cover is provided around the speaker mounting portion 3 in the middle of the installation location of the boss 6 for mounting the speaker.

On the other hand, as shown in FIGS. 2 and 3, the speaker cover 5 is made of an elastic synthetic resin sheet such as polypropylene (PP) (thickness: about 0.7 m).
m) is used to integrally form a disk-shaped cover body 5
a, and the diameter of the cover body 5a is formed so as to cover the speaker mounting portion 3. Further, four modified holes 8 are formed in the peripheral edge of the cover body 5a in correspondence with the boss pin 7, and the boss pin 7 is inserted into each of the modified holes 8 to form the inner peripheral edge of the modified hole 8. Is elastically deformed to engage with the outer peripheral surface of the inserted boss pin 7.

Therefore, each of the odd-shaped holes 8 has a boss pin 7
Is a front quadrangular shape having a size capable of being inserted, and is formed in a different shape in which a part of inner peripheral edge portions facing each other is curved in a direction facing each other. A notch 9 is provided in the peripheral portion of the cover body 5a corresponding to the speaker mounting boss 6, and the notch 9 allows the boss 6 of the speaker mounting portion 3 and the cover body 5a to be connected to each other. It does not interfere with each other when the 5 are attached. Therefore, the deformed holes 8 and the notches 9 are alternately provided in the peripheral portion of the cover body 5a along the circumferential direction.

When a speaker (not shown) is not mounted on the speaker mounting portion 3 of the rear quarter trim 2 according to this embodiment,
The speaker cover 5 is attached to the speaker attaching portion 3. That is, as shown in FIGS. 2 to 4, holding the cover body 5a, the deformed holes 8 and the boss pin 7 are arranged so as to face each other, and the respective positions are aligned. Next, when each boss pin 7 is inserted into the deformed hole 8, the inner peripheral edge portion of the deformed hole 8 is elastically deformed by these boss pins 7, and the inner peripheral edge portion of the deformed hole 8 and the outer peripheral surface of the inserted boss pin 7 mutually. Lock (see FIG. 5). Therefore, the speaker cover 5 is
The cover main body 5a is fixed to the rear surface side of the rear quarter trim 2 in a state where the cover main body 5a is superposed on the speaker mounting portion 3.

In the cover fixing structure of this embodiment, the speaker mounting portion 3 of the rear quarter trim 2 is provided with four boss pins 7, while the cover body 5a of the speaker cover 5 which covers the speaker mounting portion 3 when the speaker is not mounted. Four modified holes 8 are bored in the hole, the boss pin 7 is inserted into the modified hole 8, and the inner peripheral edge of the modified hole 8 is elastically deformed to be attached to the outer peripheral surface of the boss pin 7, thereby causing a friction resistance. Since the speaker cover 5 is fixed to the speaker mounting portion 3 by using the speaker cover 5, there is no need to perform the fastening work of the fastening parts, the welding work of the boss pin 7, or the adhesion work of the adhesive as in the conventional case. The mounting work of 5 can be performed easily, quickly and surely.

FIGS. 6 and 7 show another embodiment of the cover fixing structure in the mounting portion of the automobile interior article according to the present invention. Around the speaker mounting portion 3, an integrally formed speaker mounting boss 6 is provided at the same position as in the above invention, and a cover mounting boss pin is not provided. Further, the cover body 5a constituting the speaker cover 5 is provided with four modified holes 8 corresponding to the boss 6, and no notch is provided to avoid interference with the boss 6. .

Therefore, in the cover fixing structure of the present embodiment, each boss 6 is inserted into the above-mentioned deformed hole 8 and the inner peripheral edge portion of the deformed hole 8 is elastically deformed, whereby the inserted boss 6 is inserted. It is configured to engage with the outer peripheral surface. Other configurations and the mounting procedure of the speaker cover 5 are almost the same as those of the above-mentioned invention, and the same reference numerals are given and the description thereof is omitted.

In the cover fixing structure of this embodiment, speaker mounting bosses 6 provided on the speaker mounting portion 3 of the rear quarter trim 2 are used, and these bosses 6 are drilled in the cover body 5a of the speaker cover 5. The deformed hole 8 is inserted, the inner peripheral edge of the deformed hole 8 is elastically deformed and fixed to the outer peripheral surface of the boss 6, and the speaker cover 5 is fixed to the speaker mounting portion 3 by utilizing the frictional resistance generated thereby. Therefore, the same effects as those of the above invention can be obtained, and it is not necessary to provide a boss pin or a notch for attaching the cover, and the structure of the speaker attaching portion 3 and the speaker cover 5 can be simplified.

The embodiment of the present invention has been described above.
The present invention is not limited to the embodiments described above, and various modifications and changes can be made based on the technical idea of the present invention.

For example, the shape of the deformed hole 8 in the above-described embodiment is not limited to that of this embodiment, and the boss pin 7 and the boss 6 are not necessary.
Any shape can be selected as long as the inner peripheral edge portion thereof is elastically deformed by inserting, and the slit portion 10 as shown in FIG. .

[0024]

As described above, in the cover fixing structure for the mounting portion of the automobile interior product according to the present invention, the interior product mounting portion is provided on the interior material in the vehicle interior, and the projection is provided on the mounting portion. When the interior product is not attached, the cover body that covers the mounting portion is provided with a modified hole, and the projection hole is inserted into the modified hole to elastically deform the modified hole so that the cover body is attached to the interior product. Since it is fixed to
The cover body can be installed quickly and securely without using fasteners or welding and bonding as in the past, reducing the number of parts and man-hours to reduce costs and improve workability. Can be planned.
In addition, the occurrence of defective products due to welding mistakes and the use of adhesives can be eliminated, and the mounting work can be performed in a favorable environment, thus improving productivity.

In addition, in another structure for fixing a cover in a mounting portion of an automobile interior product according to the present invention, an interior product mounting portion is provided in an interior material in a vehicle interior, and a protrusion for mounting the interior product is integrated with the mounting portion. Of the cover body when the interior parts are not mounted, the cover body covering the mounting portion is provided with a deformed hole, and the protrusion is inserted into the deformed hole to elastically deform the deformed hole. Since it is fixed to the mounting portion of the interior parts, the same effects as the above-described invention can be obtained, and it is not necessary to separately provide a protrusion for mounting the cover, which simplifies the structure of the speaker mounting portion. Further cost reduction can be achieved.

[Brief description of drawings]

FIG. 1 is a perspective view showing a location of a speaker mounting portion of a rear quarter trim in an automobile to which a cover fixing structure according to an embodiment of the present invention is applied.

FIG. 2 is a perspective view showing the vicinity of the speaker mounting portion in FIG. 1 from the back surface side.

FIG. 3 is a perspective view showing a relationship between the speaker mounting portion and a speaker cover fixed to the speaker mounting portion.

FIG. 4 is a perspective view showing a state before inserting a boss pin provided in the speaker mounting portion into a modified hole of the speaker cover.

FIG. 5 is a perspective view showing a state in which a boss pin provided in the speaker mounting portion is inserted into an irregular hole of a speaker cover.

FIG. 6 is a perspective view showing a cover fixing structure according to another embodiment of the present invention and showing a relationship between a speaker mounting portion and a speaker cover fixed to the speaker mounting portion.

FIG. 7 is a perspective view showing a state in which a boss pin provided in the speaker mounting portion in FIG. 6 is inserted into a modified hole of the speaker cover.

FIG. 8 is a front view showing the vicinity of a slit portion of a speaker cover according to a modified example of the invention.

FIG. 9 is a perspective view showing a conventional cover fixing structure using a screw and showing a relationship between a speaker mounting portion and a speaker cover clamped and fixed to the speaker mounting portion.

FIG. 10 is a perspective view showing a conventional cover fixing structure for welding a boss pin and showing a relationship between a speaker mounting portion and a speaker cover clamped and fixed thereto.

FIG. 11 is a perspective view showing a state in which the boss pin of the speaker mounting portion in FIG. 10 is inserted into the mounting hole of the speaker cover.

FIG. 12 is a perspective view showing a state in which the boss pin in FIG. 10 is welded and the speaker cover is fixed.

[Explanation of symbols]

 1 Car 2 Rear Quarter Trim 3 Speaker Mounting Part 5 Speaker Cover 5a Cover Main Body 6 Speaker Mounting Boss 7 Cover Mounting Bospin 8 Deformed Hole

Claims (2)

[Claims] 1. An interior material mounting portion is provided on an interior material in a vehicle compartment, a protrusion is provided on the mounting portion, and a deformed hole is formed in a cover body covering the mounting portion when the interior material is not mounted, A cover fixing structure for a mounting portion of an automobile interior product, characterized in that the deformation hole is elastically deformed by inserting the projection into the deformation hole, and the cover body is fixed to a mounting portion of the interior product. 2. An interior material mounting portion is provided on an interior material in a vehicle compartment, a projection for mounting the interior goods is integrally formed on the mounting portion, and the mounting portion is covered when the interior goods are not mounted. An interior trim for an automobile, characterized in that a deformed hole is provided in a cover body, and the deformed hole is elastically deformed by inserting the projection into the deformed hole to fix the cover body to a mounting portion of the interior trim. Cover fixing structure at the mounting part of.