JP6911244B2 - Fixing aid for foamed resin heat insulating material and fixing structure for foamed resin heat insulating material using this fixing aid - Google Patents

Description

The present invention relates to a fixing aid for a foamed resin heat insulating material and a fixing structure for a foamed resin heat insulating material using the fixing aid.

Conventionally, in underfloor storages used in cold regions, etc., in order to prevent the cold air under the floor from being transmitted to the room, a foamed resin heat insulating material is attached to a lid or the like that can be opened and closed at the floor opening. ing.

By the way, when a foamed resin heat insulating material is attached to an object to be fixed, screws and nails do not work on the foamed resin heat insulating material. Fixing aids have been proposed for allowing the foamed resin heat insulating material to be attached to the object to be fixed by the fixture (see, for example, Patent Document 1).

JP-A-2009-144449

By the way, the fixing aid for enabling the foamed resin heat insulating material to be attached to the object to be fixed by the conventional fixing tool made of screws or nails is mainly provided by interposing the fixing auxiliary tool. Since the area of the foamed resin heat insulating material on which the fastening force acts is increased, if the fastening force of the fixture becomes too large, the fixing auxiliary tool bites into the foamed resin heat insulating material and the foamed resin heat insulating material is damaged. Then, there was a problem that screws and nails could not be used.

In view of the problems of the conventional fixing aid for the foamed resin heat insulating material, the present invention does not allow the fixing aid to bite into the foamed resin heat insulating material, the foamed resin heat insulating material is damaged, and screws and nails are used. Fixing aids for foamed resin insulation materials that can accurately and reliably attach foamed resin heat insulating materials to objects to be fixed and foamed resin heat insulating materials using these fixing aids. It is intended to provide a fixed structure.

In order to achieve the above object, the foaming resin heat insulating material fixing aid of the present invention is a fixing aid for enabling the foamed resin heat insulating material to be attached to the object to be fixed by the fixing tool. A contact surface portion having an insertion hole for the fixture in the center, which exerts a fastening force of the fixture on the foamed resin heat insulating material, and a contact surface portion extending in the thickness direction of the foamed resin heat insulating material, and the tip is It is characterized by including a plurality of legs formed so as to reach the surface of the object to be fixed.

In this case, the contact surface portion may be formed as a conical surface.

Further, the legs may be formed so as to be formed at equal angular intervals radially from the center of the contact surface portion without the central portion of the contact surface portion.

Further, in the fixing structure of the foamed resin heat insulating material using the foaming resin heat insulating material fixing auxiliary tool of the present invention, the fixing auxiliary tool is housed in a bottomed pilot hole formed in the foamed resin heat insulating material. At the same time, the legs of the fixing aid are inserted into the leg insertion holes that communicate with the prepared holes and penetrate the foamed resin heat insulating material, and the foamed resin heat insulating material is inserted into the insertion holes of the fixing aid. The abutting surface portion of the fixing auxiliary tool abuts on the abutting surface portion of the bottomed pilot hole of the foamed resin heat insulating material and the leg portion abuts on the surface of the fixing object by the fixture fastened to the fixing object. It is characterized in that it is attached to an object to be fixed via a fixing aid.

According to the fixing aid of the foamed resin heat insulating material of the present invention and the fixing structure of the foamed resin heat insulating material using the fixing aid, the foamed resin heat insulating material is inserted into the insertion hole of the fixing aid and fixed. By the fixture fastened to the object, the contact surface of the fixing aid abuts on the abutting surface of the bottomed pilot hole of the foamed resin heat insulating material, and the leg abuts on the surface of the object to be fixed. By attaching to the object to be fixed via the auxiliary tool, the fixing auxiliary tool does not bite into the foamed resin heat insulating material, and the foamed resin heat insulating material is damaged and screws and nails cannot be used. Instead, the fixture allows the foamed resin insulation to be accurately and reliably attached to the object to be fixed.

Further, by making the contact surface portion conical, the contact state of the contact surface portion of the fixing aid with respect to the contact surface portion of the bottomed pilot hole of the foamed resin heat insulating material is stabilized. And can be secured, and the fastening force of the fixture can be surely acted on the foamed resin heat insulating material.

Further, the leg portion lacks the central portion of the contact surface portion and is formed at equal angular intervals radially from the center of the contact surface portion, whereby the object to be fixed to the leg portion of the fixing aid is fixed. The state of contact with the surface can be stably ensured, and the biting of the fixing aid into the foamed resin heat insulating material can be reliably prevented.

It is explanatory drawing which shows one Example of the fixing aid of the foaming resin heat insulating material of this invention, (a) is a plan view, (b) is a front view. It is explanatory drawing which shows the fixing aid of the foamed resin heat insulating material, (a) is a perspective view seen from diagonally above, (b) is a perspective view seen from diagonally below. It is explanatory drawing which shows an Example of the foamed resin heat insulating material to which the fixing aid of the foamed resin heat insulating material is applied, (a) is a plan view, (b) is the AA sectional view of (a). .. It is explanatory drawing which shows the foamed resin heat insulating material to which the fixing aid of the foamed resin heat insulating material is applied, (a) is a front view, (b) is a bottom view. It is explanatory drawing which shows an Example of the fixing structure of the foamed resin heat insulating material using the fixing aid of the foamed resin heat insulating material.

Hereinafter, embodiments of the fixing aid for the foamed resin heat insulating material of the present invention and the fixing structure for the foamed resin heat insulating material using the fixing aid will be described with reference to the drawings.

1 to 2 and 5 show an embodiment of the fixing aid for the foamed resin heat insulating material of the present invention.
The foamed resin heat insulating material fixing auxiliary tool 1 is for enabling the foamed resin heat insulating material 2 to be attached to the fixing object 4 by the fixing tool 3 made of screws and nails, and is for foaming resin heat insulating material. A contact surface portion 11 having an insertion hole 13 for the fixture 3 formed in the center, which exerts a fastening force of the fixture 3 on the material 2, and extending from the contact surface portion 11 in the thickness direction of the foamed resin heat insulating material 2. However, a plurality of legs (4 in this embodiment; the number may be 2 or 5 or more) formed so as to reach the surface of the object 4 to be fixed. 12 and are provided.

The foamed resin heat insulating material fixing aid 1 is used, for example, for a foamed resin heat insulating material 2 (a lid that can be opened and closed at a floor opening in an underfloor storage or the like) as shown in FIGS. 3 to 4. The foamed resin heat insulating material) is attached to the object 4 (surface material of the lid) by the fixture 3.

Specifically, the fixing auxiliary tool 1 is housed in the bottomed prepared hole 20 formed in the foamed resin heat insulating material 2, and the leg portion 12 of the fixing auxiliary tool 1 communicates with the prepared hole 20 and foams. The fixing tool 3 is inserted into the leg insertion hole 22 penetrating the resin heat insulating material 2, and the foamed resin heat insulating material 2 is inserted into the insertion hole 13 of the fixing auxiliary tool 1 and fastened to the fixing object 4. The abutting surface portion 11 of the fixing aid 1 abuts on the abutting surface portion 21 of the bottomed pilot hole 20 of the foamed resin heat insulating material 2, and the leg portion 12 abuts on the surface of the fixing object 4. It is attached to the fixed object 4 through the device.

In this case, the fixing aid 1 can be a molded product made of various synthetic resin materials such as polyolefin such as polypropylene, polyamide and vinyl chloride.

The contact surface portion 11 of the fixing auxiliary tool 1 is formed to have a conical surface as shown in this embodiment in addition to a flat surface, and the contact surface portion 11 of the fixing auxiliary tool 1 is in contact with the contact surface portion 11 correspondingly. The contact surface portion 21 of the bottomed pilot hole 20 formed in the foamed resin heat insulating material 2 is also formed to have a conical surface as shown in this embodiment in addition to a flat surface.
As shown in this embodiment, by forming the contact surface portion 11 of the fixing aid 1 into a conical surface, the bottomed state of the foamed resin heat insulating material 2 of the contact surface portion 11 of the fixing aid 1. The contact state of the prepared hole 20 with respect to the contact surface portion 21 can be stably ensured, and the fastening force of the fixture 3 can be reliably applied to the foamed resin heat insulating material 2.
The inner surface of the contact surface portion 11 of the fixing aid 1 is a flat surface as well as a conical surface as shown in this embodiment, similarly to the contact surface portion 11 of the fixing aid 1. By doing so, it is possible to obtain a member having a uniform wall thickness.
Further, if necessary, a seating portion corresponding to the fixture 3 to be used can be formed on the inner surface of the contact surface portion 11 of the fixing aid 1.

Further, the contact surface portion 11 of the fixing auxiliary tool 1 is formed with a notch 14 for operating the fixing auxiliary tool 1 housed in the bottomed pilot hole 20 formed in the foamed resin heat insulating material 2. I am trying to do it.

The legs 12 of the fixing aid 1 lack the central portion of the contact surface portion 11, and are formed at equal angles (90 ° in this embodiment) radially from the center of the contact surface portion 11. .. The above angle can be set to any angle other than the equal angle.
As a result, the contact state of the leg portion 12 of the fixing auxiliary tool 1 with respect to the surface of the fixing object 4 can be stably secured, and the fixing auxiliary tool 1 is surely prevented from biting into the foamed resin heat insulating material 2. can do.

The bottomed prepared hole 20 formed in the foamed resin heat insulating material 2 is formed by fastening the fixing auxiliary tool 1 housed in the prepared hole 20 with the fixing tool 3 at the position of the contact surface portion 21 of the prepared hole 20. It is preferable that the leg portion 12 of the fixing auxiliary tool 1 is set so as to be slightly compressed by the contact surface portion 11 of the fixing auxiliary tool 1 in a state of being in contact with the surface of the fixing object 4. ..

The leg insertion holes 22 penetrating the foamed resin heat insulating material 2 correspond to the legs 12 of the fixing aid 1 and are spaced at equal angles (90 ° in this embodiment) radially from the center of the prepared holes 20. By forming the insertion portion 23 of the fixture 3 so as to be continuous on the center side, the shape as a whole is formed in a cross shape.

Further, the leg insertion hole 22 penetrating the foamed resin heat insulating material 2 has the same shape as the leg 12 of the fixing aid 1, or when the leg 12 of the fixing aid 1 is inserted into the leg insertion hole 22. It is preferable to form the leg insertion hole 22 into a slightly smaller shape, specifically, a shape slightly smaller than the thickness of the leg 12 of the fixing aid 1.
The legs 12 of the fixing aid 1 and the leg insertion holes 22 penetrating the foamed resin heat insulating material 2 do not all have to have the same shape. For example, the legs 12 of some of the fixing aids 1 need to have the same shape. Can be loosely fitted into the leg insertion hole 22 penetrating the foamed resin heat insulating material 2 by forming the leg portion 12 smaller than the other leg portion 12.

As shown in FIG. 5, the fixing auxiliary tool of the foamed resin heat insulating material and the fixing structure of the foamed resin heat insulating material using the fixing auxiliary tool are such that the foamed resin heat insulating material 2 is inserted into the insertion hole of the fixing auxiliary tool 1. The contact surface portion 11 of the fixing auxiliary tool 1 is brought into the contact surface portion 21 of the bottomed pilot hole 20 of the foamed resin heat insulating material 2 by the fixture 3 which is inserted through the 13 and fastened to the fixing object 4. By attaching the portion 12 to the fixing object 4 via the fixing aid 1 in which the portion 12 abuts on the surface of the fixing object 4, the fixing aid 1 does not bite into the foamed resin heat insulating material 2. The foamed resin heat insulating material 2 is not damaged and screws and nails are not used, and the foamed resin heat insulating material 2 can be accurately and surely attached to the object to be fixed 4 by the fixture 3.

The fixing aid of the foamed resin heat insulating material of the present invention and the fixing structure of the foamed resin heat insulating material using the fixing aid have been described above based on the examples, but the present invention is described in the above examples. The configuration is not limited to the above, and the configuration can be changed as appropriate within a range that does not deviate from the purpose.

In the fixing auxiliary tool of the foamed resin heat insulating material of the present invention and the fixing structure of the foamed resin heat insulating material using this fixing auxiliary tool, the fixing auxiliary tool does not bite into the foamed resin heat insulating material and the foamed resin heat insulating material is damaged. Since the foamed resin heat insulating material can be accurately and surely attached to the object to be fixed by the fixture without losing the screws and nails, the floor opening can be opened and closed. In addition to being suitably used for attaching a foamed resin heat insulating material to a lid or the like, it can be widely used for attaching a foamed resin heat insulating material to an object to be fixed by a fixture.

1 Fixing aid 11 Contact surface part 12 Leg part 13 Insertion hole 14 Notch part 2 Foamed resin heat insulating material 20 Pilot hole 21 Contact surface part 22 Leg part insertion hole 23 Insertion part 3 Fixture 4 Object to be fixed

Claims (3)

It is a fixing structure of the foamed resin heat insulating material that attaches the foamed resin heat insulating material to the object to be fixed by using the fixing tool and the fixing auxiliary tool, and the fixing auxiliary tool has a fastening force of the fixing tool to the foamed resin heat insulating material. A contact surface part with a conical surface that does not have a flat surface with an insertion hole for the fixture formed in the center, and a contact surface that extends in the thickness direction of the foamed resin heat insulating material, and the tip is the object to be fixed. It is provided with a plurality of legs formed to a length reaching the surface of the resin, and is housed entirely in a bottomed pilot hole formed in a foamed resin heat insulating material, and the legs of the fixing aid are accommodated. The part is inserted into the leg insertion hole that communicates with the bottomed pilot hole and penetrates the foamed resin heat insulating material, and the foamed resin heat insulating material is inserted into the insertion hole of the fixing aid and fastened to the object to be fixed. by fasteners being, the contact surface of contact face portions where the conical surface without a flat has a conical surface having no plane of bottomed lower hole of the foamed resin insulation fixing aid, legs A fixing structure of a foamed resin heat insulating material, which is attached to the object to be fixed via the fixing aids that each come into contact with the surface of the object to be fixed. The fixing structure of the foamed resin heat insulating material according to claim 1 , wherein the leg portion lacks the central portion of the contact surface portion and is formed at equal angular intervals radially from the center of the contact surface portion. .. A notch for operating the fixing auxiliary tool, which is entirely submerged in a bottomed pilot hole formed in the foamed resin heat insulating material, is formed on the contact surface portion of the fixing auxiliary tool. The fixed structure of the foamed resin heat insulating material according to claim 1 or 2, wherein the heat insulating material is made of foamed resin.

Images