JP3213960B2 - Molded product with assembly structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a molded product such as a molding to be mounted on the body of an automobile, and more particularly to a molded product having a mounting structure for mounting to a mating part.
The present invention relates to a molded product having an assembly structure that can be easily detached when necessary.

[0002]

2. Description of the Related Art Conventionally, as a molded product having such an assembling structure, there is, for example, a side molding mounted on a vehicle body.

FIG. 2 is a sectional view of a side molding having a conventional assembly structure.

In the drawing, a side molding side fastener member 3 and a vehicle body mounting surface 1a of a side molding 1, which are mounted from the viewpoint of preventing damage due to contact with a side surface of a vehicle body (not shown) and a design, are provided via a double-sided tape 6. The hook-and-loop fastener 2 including the mounting-side fastener member 4 is adhered.

Further, the fastener member 4 on the vehicle body mounting side.
Are integrally formed with a fastener portion 4a detachably joined to the side molding side fastener member 3 and a clip 4b provided at an appropriate interval on the back surface side of the fastener portion 4a, that is, on the vehicle body mounting surface side. I have. The clip 4b is inserted into a hole drilled at a position facing the vehicle body, and functions for positioning on the vehicle body or for mounting on the vehicle body.

When the clip 4b is used for positioning on the vehicle body, the side molding 1 is attached to the vehicle body by a bonding means such as bonding of a double-sided tape or application of an adhesive to different positions. I have.

[0007] The board portions of the side fastener 2 and the body-mounting fastener 4 constituting the hook-and-loop fastener 2 are opposed to each other.
The mushroom-shaped small pieces are erected integrally or by joining, and the mushroom-shaped small pieces are engaged with each other, whereby the side molding side fastener member 3 and the vehicle body mounting side fastener member 4 are detachable.

[0008] The side molding 1 having the conventional assembling structure configured as described above has a surface in which the pair of side molding side fastener members 3 and the vehicle body mounting side fastener member 4 are joined to the vehicle body mounting surface 1a of the side molding 1. The fastener 2 is mounted, and the clip 4b of the vehicle-body-mounting-side fastener member 4 is usually inserted into a hole drilled at a predetermined position on the side of the vehicle body in outline, and the side molding 1 is mounted on the vehicle body.

On the other hand, when the side molding 1 attached to the vehicle body is removed for recycling or the like, the side molding 1 is gripped and pulled, so that the side molding side fastener member of the hook-and-loop fastener 2 removably joined. The side molding 1 can be relatively easily removed because the 3 and the vehicle body mounting side fastener member 4 are separated without requiring a particularly large tensile force.

[0010]

The side molding 1 having the conventional assembling structure is constructed as described above, and can be detached from the vehicle body relatively easily. There is also the danger of being stolen.

By the way, in order to solve these problems, there is a method in which the side molding 1 is attached with a double-sided tape or an adhesive instead of the surface fastener 2. However, when the side molding 1 is attached by these means,
Due to the high bonding strength with the mounting surface of the vehicle body, it was difficult to remove it when necessary for recycling or the like.

Accordingly, the present invention provides a molded article having an assembling structure that is easy to assemble with a mating part, is usually difficult to remove, and can be easily removed when necessary. Is the subject.

[0013]

Means for Solving the Problems] moldings having an assembly structure according to the present invention, Saidomo attached to the side of the vehicle body
To the vehicle body mounting surface side of the side molding with an adhesive.
Side molding side
A fastener member, attached to the side of the vehicle body,
Fasteners that are detachably joined to the mall side fastener member
Vehicle body mounting side fastener member having a fastener portion, and the vehicle body
Suitable for the back side of the fastener part of the mounting side fastener member
Clips provided at appropriate intervals and the side mode
From the fastener on the vehicle side and the fastener on the vehicle body
Is possible by heating between the joints of
And a plasticizing adhesive layer.

[0014]

According to the present invention, the side molding side fastener is provided.
The surface fastener consisting of the member and the vehicle body mounting side fastener member is attached to the joining surface of the side molding as a molded product , and since the surface fastener has an assembly part with a mating component, it can be attached to the mating component of the molded product. Is easy to assemble. Further, an adhesive layer which is plasticized by heating is interposed between the joints of the surface fastener. Usually, the joints of the surface fastener are strongly joined by the adhesive layer in a solidified state. Is difficult to separate. on the other hand,
When it is necessary to remove the molded article, heating the joint of the hook-and-loop fastener plasticizes the adhesive layer and weakens the joining force between the joints of the hook-and-loop fastener, so that the molded article can be easily removed. Also, assembling side moldings as molded products
Is the back side of the fastener part of the fastener member on the vehicle body mounting side
Easily with clips provided at appropriate intervals
Can do it.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIG.

FIG. 1 is a sectional view of a side molding having an assembly structure according to an embodiment of the present invention. In the figure, the same reference numerals as those in FIG. 2 denote the same or corresponding parts as conventional constituent parts.

In the drawing, a P attached to a side surface of a vehicle body
On the vehicle body mounting surface 1a of the side molding 1 made of a synthetic resin material such as VC, a surface fastener 2 including a side molding side fastener member 3 and a vehicle body mounting side fastener member 4 similar to the conventional example via an adhesive 6. It is stuck. The pair of side molding side fastener members 3 and the vehicle body mounting side fastener member 4 are each formed of a synthetic resin material. The vehicle body mounting side fastener member 4 includes a fastener portion 4a detachably joined to the side molding side fastener member 3 and a clip 4b provided at an appropriate interval on the back side of the fastener portion 4a, that is, on the vehicle body mounting surface side. And are integrally formed.

The clip 4b is inserted into a hole formed at a position facing the vehicle body, and functions for positioning on the vehicle body or for attaching to the vehicle body.

The pair of side molding side fastener members 3 and vehicle body mounting side fastener members 4 constituting the surface fastener 2 are formed by joining or joining known mushroom-shaped small pieces to opposing board portions. By engaging these mushroom-shaped pieces with each other,
The side molding side fastener member 3 and the vehicle body mounting side fastener member 4 are detachable.

Further, an adhesive layer coated with a hot melt type adhesive such as Hamatite M1000G (produced by Yokohama Rubber Co., Ltd.) is provided between the joining surfaces of the side molding side fastener member 3 and the vehicle body mounting side fastener member 4. 5 are interposed. The hot-melt type adhesive is in a solidified state at room temperature and has a side molding side fastener member 3.
And the vehicle-body-mounting-side fastener member 4 are firmly connected, and are plasticized by being heated. The hot melt type adhesive may have various heating temperature conditions for plasticizing, but in the present embodiment, an adhesive which can be applied at 190 ° C. is used.

The side molding side fastener member 3, the vehicle body mounting side fastener member 4, the adhesive layer 5, and the double-sided tape 6 form an assembly structure for assembling the vehicle body.

Next, the formation of the structure for assembling the side molding 1 of the present embodiment configured as described above will be described.

First, the side molding side fastener member 3 is attached to the vehicle body mounting surface 1a of the side molding 1 via a double-sided tape 6.
Install. Next, a predetermined amount of a hot-melt type adhesive that has been heated to a predetermined temperature and plasticized by a known hot-melt coating device is extruded and applied to the joining surface of the side molding-side fastener member 3 in a tube shape. And
The fastener portion 4a of the vehicle body mounting side fastener member 4 is brought into contact with the upper portion and pressed from the outside. Then, the mushroom-shaped small pieces of the side molding side fastener member 3 and the vehicle body mounting side fastener member 4 are engaged with each other, and the hot melt type adhesive which has been heated and is in a plastic state is mushroom-shaped small piece. The hook-and-loop fasteners are spread between each other, left to stand naturally for a predetermined time, and then cooled and solidified, so that the surface fastener 2 is firmly joined.

Thus, the formation of the assembly structure in which the clip 4b is attached to the outer surface of the hook-and-loop fastener 2 is completed.

The side molding 1 having the above assembly structure is
Usually, the clip 4b of the vehicle body mounting side fastener member 4 is inserted into a hole formed at a predetermined position on the side surface of the vehicle body in the outline, and is mounted on the vehicle body by positioning or assembling by the clip 4b itself.

Next, the operation of the side molding 1 having the assembly structure of the above embodiment will be described.

In the side molding 1 having an assembling structure mounted on the vehicle body, the adhesive layer 5 is interposed between the joints between the side molding side fastener member 3 of the surface fastener 2 and the vehicle body mounting side fastener member 4. , Tightly coupled,
Normally, the side molding 1 does not come off between the side molding side fastener member 3 and the vehicle body mounting side fastener member 4 due to impact or the like, and there is a risk that the side molding 1 is partially peeled off or falls off the vehicle body as a whole. Is prevented. Further, since the side molding 1 does not easily come off, it is possible to prevent the side mall 1 from being stolen.

On the other hand, when the side molding 1 attached to the vehicle body is removed for recycling or the like, a known heating device such as a spot heater is used to apply the hot-melt type adhesive of the hook-and-loop fastener 2 from the outside. And heat. Then, the adhesive layer 5 is heated and softened, and the bonding force between the mushroom-shaped small pieces of the side molding side fastener member 3 and the vehicle body mounting side fastener member 4 is weakened. Separates without requiring extraordinary tensile force. Therefore, the side molding 1 can be easily removed from the vehicle body.

The plasticizing temperature of the hot-melt adhesive is 190 ° C., but need not be limited to this temperature. However, in summer, the side mall 1
The temperature of the vehicle body outer panel at the portion where the is mounted is 60 ° C. or higher, so it is not preferable to lower the temperature below the above-mentioned temperature.
Conversely, if an adhesive having a high plasticization temperature is used, it is preferable that not only the adhesive but also the outer panel portion of the vehicle body may be heated when heated to remove the side molding 1 from the vehicle body when necessary. Absent.

As described above, the side molding 1 having the assembling structure of the above embodiment is provided with the side molding side fastener member 3 on the vehicle body mounting surface 1a of the side molding 1 as a molded product.
And a clip 4 which is an assembly part of a vehicle body as a mating part
In addition to the surface fastener 2 comprising the vehicle body mounting side fastener member 4 provided with b, an adhesive layer 5 which is plasticized by heating is interposed between the joints of the surface fastener 2.

Therefore, according to the above embodiment, the hook-and-loop fastener 2 is mounted on the vehicle body mounting surface 1a of the side molding 1,
Further, since the hook 4 is provided with the clip 4b for assembling with the vehicle body, the side molding 1 can be easily assembled to the vehicle body. Also, since the bonding portions of the surface fasteners 2 are usually firmly bonded by the adhesive layer 5 interposed between the bonding portions of the surface fasteners 2, the side molding side fastener member 3 and the vehicle body mounting side are subjected to impact or the like. It is possible to prevent the side molding 1 from being stolen without being separated from the fastener member 4.

On the other hand, when it is necessary to recycle or the like, the bonding portion of the hook-and-loop fastener 2 is heated to plasticize the adhesive layer 5 and the bonding strength between the side molding side fastener member 3 and the vehicle body mounting side fastener member 4. Can be easily removed by pulling the side molding 1.

Incidentally, the side molding side fastener member 3 of the above embodiment is adhered to the vehicle body mounting surface 1a of the side molding 1 via the double-sided tape 6; The present invention is not limited to this, and may be formed integrally with the side molding 1 using a synthetic resin material. Conversely, the vehicle body mounting side fastener member 4 may be integrated using a double-sided tape or an adhesive with the fastener portion 4a and the clip 4b as separate components. May be appropriately selected in relation to the above.

Although the above embodiment has been described with reference to an example in which the molded product is the side molding 1 and the mating part is the vehicle body, the present invention is applied to various molded products to be assembled. be able to. The adhesive to be plasticized by heating used at this time can be arbitrarily selected according to the molded product and the mating part in each case.

The mounting portion provided on the hook-and-loop fastener 2 of the above embodiment is a clip 4b. However, the present invention is not limited to this, and is not limited to this. Any means that can be attached is possible.

Further, the form of the joining portion of the hook-and-loop fastener 2 is such that small pieces of mushrooms are engaged with each other, but these forms are a combination of small pieces of mushrooms and a loop, or a hook and a hook. The effect similar to the above can be obtained by any other known device such as a combination of loops.

[0037]

As described above, the molded product having the assembly structure of the present invention is a side molding that is attached to the side surface of a vehicle body.
And affixed to the vehicle mounting surface side of the side molding with an adhesive.
Side molding that has an assembly part with the mating part
And a side member attached to the side of the vehicle body.
Fastener that is detachably connected to the fastener member on the left side
A vehicle-mounting-side fastener member having a portion;
A suitable space is provided on the back side of the fastener portion of the side fastener member.
A clip provided at a distance from the side molding side
Consists of a fastener member and a fastener member on the vehicle body mounting side
Plasticization by heating interposed between joints of hook-and-loop fastener
And an adhesive layer. Therefore, the molded product can be easily assembled to the mating component by the hook-and-loop fastener attached to the joining surface of the molded product and the assembly portion for the mating component provided on the hook-and-loop fastener. In addition, since the bonding is firmly performed by the adhesive layer interposed between the joining parts of the surface fastener, it is possible to normally prevent the molded product from separating between the joining parts of the surface fastener. Then, when removal is necessary, the adhesive layer is plasticized by heating the joint of the hook-and-loop fastener, and the joining force between the joints of the hook-and-loop fastener is weakened. it can. In addition, size as a molded product
Domall assembly is performed using the fasteners on the fastener member on the vehicle body mounting side.
Clips provided at appropriate intervals on the back side of the
Can be easily done by

[Brief description of the drawings]

FIG. 1 is a sectional view of a side molding having an assembly structure according to an embodiment of the present invention.

FIG. 2 is a sectional view of a side molding having a conventional assembly structure.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Side molding 1a Body mounting surface 2 surface fastener 4b Clip 5 Adhesive layer

Continuing from the front page (72) Inventor Eigo Saigo 1 Ochiai Nagahata, Kasuga-cho, Nishi-Kasugai-gun, Aichi Prefecture Inside Toyoda Gosei Co., Ltd. (56) References JP-A-57-84243 (JP, A) 30679 (JP, A) Fully open 1983-102358 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) B29C 65/00-65/82 B60R 13/04

Claims (1)

(57) [Claims] 1. A side molding attached to a side surface of a vehicle body.
And is adhered to the vehicle body mounting surface side of the side molding with an adhesive,
Side-moulded side fasteners that have an assembly part for mating parts
A member and a fastener attached to a side surface of the vehicle body;
-Cars with fasteners that are removably joined to members
A body mounting side fastener member, and a back of the fastener portion of the vehicle body mounting side fastener member.
Clips provided at appropriate intervals on the surface side, the side molding side fastener member and the vehicle body mounting side fastener.
A molded article having an assembly structure, comprising: an adhesive layer which is plasticized by heating and is interposed between joints of a surface fastener comprising a fastener member .