JP2871487B2 - Thermal insulation panel - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heat insulating panel, and more particularly to a heat insulating panel in which a core material is filled between two metal plates with a core material therebetween. The present invention relates to a technique for avoiding loosening of the fitting strength of the above and effectively utilizing such a configuration to increase the mounting strength of the frame material, for example.

[0002]

2. Description of the Related Art Conventionally, a heat insulating panel Aa, which is made up of a synthetic resin core material 3a and outer surfaces 1 and 2 of a metal plate provided on substantially both sides thereof, as shown in FIG. The fitting concave portion 11a is formed with a fitting convex portion 7a on the other side, and the fitting concave portion 11a and the fitting convex portion 7a are fitted into the concave and convex portions to connect the panel.

[0003] The tip pieces 1a,
Reference numeral 2a denotes a central portion of the fitting concave portion 11a and the fitting convex portion 7a, which are bent and embedded in the synthetic resin core material 3a as shown in FIG.

[0004]

However, in the case of such a construction, the production method is such that the outer skins 1 and 2 are held by the attachment force of the synthetic resin core material 3a by foam molding, which makes the production difficult. Then, there is a problem that the manufacturing apparatus of the heat insulating panel becomes large. Nevertheless, the fitting concave portion 11a tends to spread when the fitting concave portion 11a and the fitting convex portion 7a are fitted into the concave and convex portions in connection of the panel,
Therefore, there is a problem that the fitting strength is reduced at an early stage when used for a sliding door such as a rain door. Furthermore, when the frame material is screwed to the heat insulating panel Aa for mounting, there is a problem that the inside is the synthetic resin core material 3a, and it is difficult to increase the mounting strength.

The present invention has been made in view of such a problem, and an object of the present invention is to make it easy to manufacture a heat insulating panel in which a core material is filled between outer skins of two metal plates, and to fit the same. Avoid loosening of the mating strength between the mating convex part and mating concave part,
It is an object of the present invention to provide a heat insulating panel that can effectively utilize such a configuration to increase, for example, the mounting strength of a frame material.

[0006]

According to a first aspect of the present invention, there is provided a heat insulating panel in which a core material 3 is filled between outer skins of two metal plates, and one outer skin 1 is provided at both ends in the width direction of the panel. The side end face pieces 4 and 4 are bent, and one side end face piece 4 is formed with a fitting projection 7 extending over the entire vertical direction, and the other side end face piece 4 is fitted with the fitting projection 7. A mating recess 11 is formed, and a wrap-around piece 5 extending from the tip of each side end face piece 4 to the other outer surface of the panel extends, and the tip of the wrap-around piece 5 is bent inward. An engaged portion 6 is formed, and the other outer skin 2 is folded inward at both ends in the width direction of the panel.
The engaging portion 9 is formed by being bent in the shape of a letter, and the wraparound piece 5 of one outer skin 1 and the folded piece 8 of the other outer skin 2 are overlapped, and the engaging portion 9 is engaged with the engaged portion 6. It is characterized by comprising.

[0007]

According to the first aspect, the fitting concave portion is formed in series on the outer skin, and the fitting convex portion is also formed in series on the outer skin. Avoid loosening of fitting. It can be favorably used for sliding doors and the like where the frequency of fitting and releasing is increased. In manufacturing the heat insulating panel A, the surrounding piece 5 of one outer skin 1 and the folded piece 8 of the other outer skin 2 are overlapped, and the engaging portion 9 is engaged with the engaged portion 6. The bonding of the outer skins 1 and 2 on both sides is not based on the adhesive force associated with the foam molding of the synthetic resin core material 3 as in the related art, but is based on the mechanical bonding force between the engaging portion 9 and the engaged portion 6.
Various other means other than foam molding can be selected for the production. Avoid increasing the size of the production equipment. Makes production easy. In the manufactured heat insulating panel A, the wrapping piece 5 of one outer skin 1 and the bent piece 16 forming the engaged portion 6, the other outer skin 2 and its folded piece 8, 4.
The sheets overlap. In this way, using the four overlapping parts,
For example, the frame member can be firmly attached by screwing means.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings. Both outer skins 1 and 2 facing the front and back are metal plates, and a core material 3 is filled between the outer skins 1 and 2 to form a heat insulating panel A. The core material 3 is made of a synthetic resin or an inorganic material and has a sufficient heat insulating property. Hereinafter, the constituent members will be described in detail.

In use, one outer skin 1 has side end face pieces 4 and 4 bent at both ends in the width direction of the panel. The one side end face piece 4 is formed with a fitting projection 7 extending over the entire length in the vertical direction. The other side end face piece 4 is formed with a fitting concave portion 11 that fits with the fitting convex portion 7. A wrap-around piece 5 extending from the end of each side end face piece 4 to the other outer skin side surface of the panel extends. The tip of the wrap-around piece 5 is bent inward to form an engaged portion 6. In the use state, the other outer skin 2, which is the back, has both ends in the width direction of the panel folded inward. An engagement portion 9 is formed at the tip of the folded piece 8 by being bent in a substantially S-shape.

Thus, a core material 3 made of a synthetic resin is filled in the inside of one of the outer skins 1, the folded piece 8 of the other outer skin 2 is overlapped on the wrapping piece 5 of the one outer skin 1, and 9 is elastically engaged with the engaged portion 6, and the heat insulating panel A is manufactured. Such a synthetic resin core material 3 may be formed in advance, or may be formed by foaming between the engaged outer skins 1 and 2.

As shown in FIG. 2, a frame member 12 having an H-shaped cross section is engaged with the lower end portion of the heat insulating panel A in a space above the frame member 12, and is bolted by a bolt 13 such as a self-drilling screw. It is fixed. In this case, a bolt 1 such as a self-drilling screw is provided at a portion where the wraparound piece 5 of one outer skin 1 and the bent piece 16 forming the engaged portion 6 and the other outer skin 2 and the folded piece 8 overlap.
3 to increase the mounting strength.

As described above, one outer skin 1 has side end face pieces 4 and 4 bent at both ends in the width direction of the panel, and one side end face piece 4 is formed with a fitting projection 7 extending over the entire vertical direction. On the other end piece 4 on the other side, a fitting recess 11 is formed for fitting to the fitting projection 7, and the fitting recess 11 is formed in a series on the outer skin 1, and the fitting projection 7 is also formed on the outer skin. Formed into a series in one,
This prevents the fitting recess 11 from fitting into the fitting projection 7 from becoming loose. Therefore, it can be used favorably for a sliding door or the like where the frequency of fitting and releasing is increased.

In the production of the heat insulating panel A,
The bonding of the outer skins 1 and 2 on both sides is not based on the adhesive force accompanying the foaming of the synthetic resin core material 3 as in the conventional case, but is a mechanical bonding force between the engaging portion 9 and the engaged portion 6. The production can be performed by various means other than foam molding, and the production equipment can be prevented from being enlarged, and the production can be easily performed. Moreover, in the manufactured heat insulating panel A, the surrounding piece 5 and the bent piece 16 of one of the outer skins 1 and the other outer skin 2 and the folded piece 8 of the other outer skin 1 are provided.
The sheets are overlapped, and the frame member 12 is firmly attached by, for example, a screwing means by using the four overlapping portions as described above, and a sliding door such as a shutter is used. 1 in the figure
Numeral 0 denotes a concave groove for increasing the bonding strength with the core material 3 made of synthetic resin. The concave groove 10 can be used as a handle for opening and closing, and a key can be attached thereto. Reference numeral 14 denotes a roller runner, and reference numeral 15 denotes an opening frame (sash) attached to the opening.

[0014]

According to the first aspect of the present invention, one of the outer skins has side end face pieces bent at both ends in the width direction of the panel, and one side end face piece is formed with a fitting convex portion extending up and down the entire length. Since the fitting concave portion to be fitted to the fitting convex portion is formed on the side end face piece on the side, the fitting concave portion is formed in a series on the outer skin, and the fitting convex portion is also formed on the outer skin in a series, It is possible to avoid loosening of the fitting between the fitting concave portion and the fitting convex portion, and it can be favorably used for a sliding door or the like in which the frequency of fitting and releasing is increased. ,
On one side, a wrap-around piece extending from the end of each side end surface piece of the outer skin to the other outer surface of the panel extends, and the tip of the wrap-around piece is bent inward to form an engaged portion. The other outer skin is folded inward at both ends in the width direction of the panel, and the end of the folded piece is bent into a substantially S-shape to form an engagement portion, and the one outer skin is turned around. Since the piece and the folded piece of the other outer skin are overlapped and the engaging portion is engaged with the engaged portion, the joining of the outer skins on both surfaces is
It is not based on the adhesive force accompanying foaming of a synthetic resin core material as in the past, but on the mechanical coupling force between the engaging portion and the engaged portion. Various means can be selected, the production equipment can be avoided from being enlarged, and the production can be easily performed. In addition, in the manufactured heat insulating panel, the encircling piece of one outer skin and the engaged portion are formed. The folded piece to be folded, the other outer skin and its folded piece are overlapped, and the frame material can be firmly attached by using the four overlapping portions, for example, by screwing means. There is an advantage that it can be effectively used as a sliding door such as a shutter.

[Brief description of the drawings]

1A and 1B show an embodiment of the present invention, in which FIG.
(B) is an exploded sectional view of both outer skins.

FIG. 2 (a) is a perspective view in which the above heat insulating panel is used for a sliding door, and FIG. 2 (b) is an enlarged sectional view in which a part is omitted.

FIG. 3 is a cross-sectional view of a conventional example with a part omitted.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Outer skin 2 Outer skin 3 Core material 4 Side end surface piece 5 Surrounding piece 6 Engaged part 7 Fitting convex part 8 Folding piece 9 Engaging part 11 Fitting concave part

Claims (1)

(57) [Claims] 1. A heat insulating panel in which a core material is filled between outer skins of two metal plates, and one outer skin is bent at both end portions in the width direction of the panel, and one side end surface thereof is provided. A fitting convex portion is formed on the upper and lower portions of the panel, and a fitting concave portion is formed on the other side end surface piece so as to fit with the fitting convex portion. A wrap-around piece that extends around the side surface is extended, the tip of the wrap-around piece is bent toward the inner surface side to form an engaged portion, and the other outer skin is formed at both ends in the width direction of the panel. At the end of the folded piece to form a substantially S-shaped engagement portion, and the surrounding piece of one outer skin and the folded piece of the other outer skin are overlapped, and the engaging portion is covered. A heat insulation panel which is engaged with an engagement portion.