JP2000291173A - Ceiling heat insulating panel - Google Patents

Abstract

PROBLEM TO BE SOLVED: To lower the cost of a heat insulating panel formed by fixing a square plywood to an upper and a lower surfaces of a hard foaming heat insulating material by forming thickness of the upper plywood of the three-layer structure larger than that of the lower plywood, and providing a flange in the periphery of the upper plywood. SOLUTION: A hard forming heat insulating material 3 is interposed between an upper plywood 2 and a lower plywood 4, and both the upper and lower plywood are fixed to the heat insulating material 3 by the adhesive agent so as to form a ceiling heat insulating panel 1, and a flange is provided in the periphery of the upper plywood 2, and the ceiling heat insulating panel 1 is supported by beams 5. Thickness of the upper plywood 2 is formed at about 5.5 mm, and as the hard foaming head insulating material 3, three kinds of extruding polyethylene foam having about 40 mm of thickness is used, and thickness of the lower plywood 4 is formed at about 2.5 mm. Ratio of the thickness between the upper plywood 2 and the lower plywood 4 is set at (1.8-3.0):1. In the case of fitting the ceiling heat insulating panel 1 in the beams or frames for fixation, the ceiling heat insulating panel 1 is placed on the frame of the vertical and horizontal beams or girders by a crane so that the flange of the four sides is positioned on the beams, and fixed by nailing. Consequently, fitting construction can be simplified.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ceiling insulation panel in a wooden building.

[0002]

2. Description of the Related Art Generally, in buildings such as houses, floors, walls, and the like are provided for the purpose of providing a comfortable living environment or reducing heating and cooling costs.
Insulation is applied to the ceiling and the like. As a heat insulation panel used for such heat insulation construction, for example, Japanese Patent Publication No. 5-38101
There is known a heat insulating panel disclosed in Japanese Patent Application Laid-Open Publication No. HEI 9-303,873.

[0003] As shown in FIG.
The ends of a pair of parallel frame members C and D are connected by short frame members A and B to form a rectangular frame. Vertical and horizontal reinforcements E and F are arranged between the frame members to increase the strength of the entire panel. A paper material such as kraft paper is attached to one surface of the frame.

[0004] The foamed heat insulating material is injected into the frame body constructed as described above, and the foamed heat insulating material is solidified, whereby the frame body and the foamed heat insulating material are integrated to form a heat insulating panel.

[0005] According to this heat insulating panel, it is possible to eliminate the trouble of inserting a heat insulating material such as glass wool into a floor material at the installation work site, and to perform the heat insulating work at a constant quality without requiring skilled skills. In addition, a high heat insulating effect can be obtained, and a decrease in heat insulating performance due to moisture and condensation can be prevented.

[0006]

However, this heat insulating panel is composed of many members such as a frame material, a reinforcing material, a foam heat insulating material, and a paper material, and has not only a complicated structure and a large weight but also a high cost. There was a problem.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a ceiling heat insulating panel capable of simplifying the production and processing of the panel and reducing the manufacturing and installation costs.

[0008]

According to a first aspect of the present invention, there is provided a heat insulating panel having a flat rectangular plywood fixed to upper and lower surfaces of a hard foamed heat insulating material.
The upper plywood of the layered structure is relatively thicker than the lower plywood, has a flange on the periphery, rigid foam insulation is fixed, and a relatively thin lower plywood is attached to the lower surface of the rigid foam insulation. Ceiling insulation panel.

The invention according to claim 2 is the ceiling heat insulating panel according to claim 1, wherein the ratio of the thickness of the upper plywood to the thickness of the lower plywood is 1.8 to 3.0.

According to a third aspect of the present invention, there is provided a flat rectangular plywood having a relatively thick upper plywood, a hard foam insulation material, and a relatively thin lower plywood. And a ceiling heat insulating panel having a flange on both short sides and one long side of the upper plywood and an exposed portion of a hard foam heat insulating material on an upper surface on the other long side. This is a ceiling heat insulating panel that can be laid by joining a plurality of sheets in the short side direction by joining.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION

Since the ceiling insulation panel of the present invention has the above-described configuration, it does not require any skill when installing it, and the ceiling insulation panel fits between the beams only by dropping between the beams, and the periphery of the insulation panel is nailed to the beams or girders. The mounting work can be performed by hitting and fixing, so that the mounting work with good workability can be performed with high work efficiency.

[0012] If two types of ceiling heat insulating panels having different forms are held, one or more ceiling heat insulating panels can be joined and laid in the short side direction.

The ceiling insulation panel is dropped on the upper end of the beam,
After the flange of the upper plywood is fixed to the beam or the girder by nailing or the like, the joint of the ceiling heat insulating panel is sealed with airtight packing, airtight tape, urethane foam, or the like. In this way, extremely high airtightness is ensured.

When a plurality of ceiling insulation panels of the present invention are joined and laid in the short side direction, as shown in FIGS. 6 and 9, one type of ceiling insulation panel 1 is used as shown in FIG. The upper plywood 2 having a flange 6 protruding from the peripheral end surface of the rigid foamed heat insulating material 3 around the four sides, and another type is provided on both short sides and one side as shown on the left side of FIG. It has a flange 6 on its long side, the other long side extends inward from the edge end surface of the rigid foamed heat insulating material 3 and has an exposed portion 9 on the upper surface of the rigid foamed heat insulating material 3. Insulation panels are combined and laid.

[0015]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded perspective view of a ceiling insulation panel according to the present invention. FIG. 1 is a longitudinal sectional view of a ceiling heat insulating panel of the present invention, and FIG. 2 is a plan view thereof. FIG. 3 is a perspective view showing a layer structure of the ceiling heat insulating panel of the present invention shown in FIG. 1 and FIG.
FIG. 4 is a vertical cross-sectional view showing a mode in which a joint is formed at a width-direction side edge of two ceiling insulation panels and two sheets are joined and used.
FIG. 5 is a plan view thereof. FIG. 6 is a perspective view showing a layer structure of the ceiling heat insulating panel of the present invention shown in FIGS. 4 and 5. FIG. 7 is a longitudinal sectional view showing a mode in which a joining portion is formed at the width direction side edge of three ceiling heat insulating panels and three sheets are joined and used, and FIG. 8 is a plan view thereof. FIG. 9 shows FIGS. 7 and 8
It is a perspective view which shows the layer structure of the ceiling heat insulation panel of this invention shown in FIG. FIG. 10 is a perspective view showing an embodiment of the mounting work, and FIG.
1 is a longitudinal sectional view showing an attached state.

1 to 11, reference numeral 1 denotes a ceiling heat insulating panel, which is formed by interposing a hard foam heat insulating material 3 between an upper plywood 2 and a lower plywood 4, and fixing the rigid foam heat insulating material 3 to each other with an adhesive. I have.

Reference numeral 5 denotes a beam, and 6 denotes a flange. The flange 6 is formed around the upper plywood 2.
It is configured to be supported by.

The ceiling insulation panel 1 of the present invention does not use any frame members or crosspieces in order to simplify the production and processing and to reduce the production and installation costs. Therefore, a configuration is required in which the ceiling panel does not bend under such conditions and does not warp due to a change in humidity after installation.

Therefore, in this embodiment of the present invention, the upper plywood 2 has a thickness of 5.5 mm, and three types of extruded polystyrene foam having a thickness of 40 mm as the rigid foam insulation material 3.
The lower plywood 4 has a thickness of 2.5 mm, and the ceiling insulation panel 1
Stiffness and strength are ensured. According to the knowledge of the inventor, the thickness of the lower plywood 4 is 2 mm or more, and the ratio of the thickness of the upper plywood 2 to the thickness of the lower plywood 4 is 1.8: 1.
It is preferable that the weight ratio of the ceiling heat insulating panel is reduced and the strength and rigidity are set to a range of from 3.0 to 3.0: 1.

Further, as described above, the upper plywood 2 and the lower plywood 4 are not made of a material such as MDF (Medium Density Fiberboard: Medium Density Fiberboard) or a particle board which greatly expands and contracts due to a change in humidity. Limited to plywood with small expansion and contraction. Note that it is preferable to use a plywood of type I as the adhesive force.

Extruded polystyrene foam, rigid urethane foam, polystyrene foam and the like can be used as the rigid foamed heat insulating material.
Those having 5 kgf / cm ² or more are preferable. Further, the thickness and thermal conductivity of the heat insulating material may be any as long as they have a performance that meets the standards of the Housing Finance Corporation.

The rigidity and strength of the ceiling heat insulation panel of the present invention are ensured, and the ceiling heat insulation panel is not bent or warped due to humidity change or dew due to temperature change. I have to.

The ceiling heat insulating panel 1 of the present invention is shown in FIG.
As shown in FIG. 0, a notch 7 is formed by a pre-cut at the abutting portion of the flange 6 of the upper plywood 2 with the column and the shed bundle, and the ceiling insulation panel is dropped between the beams at the time of installation by a crane. , So that it fits between the beams.

By doing so, it is not necessary to cut out the abutting portion between the pillar, the shed bundle and the ceiling insulation panel at the construction site, and it is possible to reduce the danger of work at high places and on beams and low work efficiency. It is possible to reduce the number of hitting and fixing work and seals alone, and it is possible to safely and efficiently install ceiling heat insulating panels.

Further, as shown in FIG. 11, an abutment portion between the eaves girder and the ceiling insulation panel and a ceiling panel flange 6 on the upper surface of the beam.
Is sealed with, for example, an airtight tape 8 to secure airtightness.

When the ceiling insulation panel 1 shown in FIGS. 1 to 3 is dropped on a beam or a girder frame and fixedly mounted, as shown in FIG. 10, a crane or the like is mounted on a frame composed of vertical and horizontal beams or girder. The ceiling insulation panel is placed so that the flanges 6 around the four are positioned on the beams or girders, and the flanges 6 are fixed to the beams or girders by nailing or the like.

In the case of the laying configuration shown in FIGS. 4 to 6, the flanges 6 on both short sides and the flange 6 on the left long side of the left side of the heat insulating panel in FIG. And the left long side flange 6 of the right ceiling insulation panel is superposed on the hard foam insulation 3 upper surface exposed portion 9 of the left ceiling insulation panel, and the right long side flange 6 of the right ceiling insulation panel and The flanges 6 on both short sides are fixed to the beam or the beam by nailing or the like.

In the case of the laying configuration shown in FIGS. 7 to 9, the flange portions 6 on both short sides and the flange portion 6 on the long side of the left side of the heat insulating panel on the left in FIG. The left long side flange 6 of the center ceiling heat insulating panel is superimposed on the hard foam insulation 3 upper surface exposed portion 9 of the left ceiling heat insulating panel, and the left long side flange 6 of the right ceiling heat insulating panel is fixed. It overlaps with the hard foam insulation material 3 upper surface exposed part 9 of a center ceiling insulation panel, and the flange part 6 of both short sides of a center ceiling insulation panel and the right long side flange part 6 and both short sides of a right ceiling insulation panel The flange 6 is fixed to a beam or a girder by nailing or the like.

In either case, as shown in FIG. 11, the abutment between the eaves girder and the ceiling insulation panel or the abutment between the beam or the ceiling panel flange 6 on the upper surface of the girder is sealed with, for example, an airtight tape 8. Seal and ensure airtightness.

Thus, the ceiling panel of the present invention
A plurality of sheets can be joined and laid in the short side direction.

[0031]

Since the present invention is constructed and operated as described above, it is possible to simplify the production and installation work of the ceiling heat insulating panel and to greatly reduce the cost.

According to the third aspect of the present invention, any number of ceiling insulation panels can be joined and laid in the short side direction only by holding two types of ceiling insulation panels.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view of a ceiling heat insulating panel of the present invention.

FIG. 2 is a longitudinal sectional view of the ceiling heat insulating panel of the present invention.

FIG. 3 is a perspective view showing a layer structure of the ceiling heat insulating panel of the present invention shown in FIGS. 1 and 2.

FIG. 4 is a vertical cross-sectional view showing an embodiment in which two ceiling heat insulating panels of the present invention are joined and used.

FIG. 5 is a plan view showing an embodiment in which two ceiling heat insulating panels of the present invention are joined and used.

6 is a perspective view showing a layer structure of the ceiling heat insulating panel of the present invention shown in FIGS. 4 and 5. FIG.

FIG. 7 is a longitudinal sectional view showing an embodiment in which three ceiling heat insulating panels of the present invention are joined and used.

FIG. 8 is a plan view showing an embodiment in which three ceiling heat insulating panels of the present invention are joined and used.

FIG. 9 is a perspective view showing a layer structure of the ceiling heat insulating panel of the present invention shown in FIGS. 7 and 8;

FIG. 10 is a perspective view showing an aspect when the ceiling heat insulating panel of the present invention is attached and constructed.

FIG. 11 is a vertical cross-sectional view showing a mounted state of the ceiling heat insulating panel of the present invention.

FIG. 12 is a perspective view showing a conventional ceiling heat insulating panel.

[Description of Signs] 1 Ceiling insulation panel 2 Upper plywood 3 Hard foam insulation 4 Lower plywood 5 Beam 6 Flange 7 Notch 8 Airtight tape 9 Hard foam insulation upper surface exposed part

Continuing from the front page (72) Inventor Shinji Ueda 2-5-212 Higashiko, Kokurakita-ku, Kitakyushu-shi, Fukuoka Prefecture Inside Tanya Sangyo Co., Ltd. (72) Inventor Takeshi Sakai 2-chome, Higashiko, Kokurakita-ku, Kitakyushu-shi, Fukuoka No. 12 F-term (reference) in Tanya Sangyo Co., Ltd. 2E001 DD01 FA14 GA42 HC02 HC04 HD09 KA08 LA09 LA12

Claims (3)

[Claims] 1. A heat insulating panel in which a flat rectangular plywood is fixed to upper and lower surfaces of a hard foamed heat insulating material, an upper plywood having a three-layer structure is relatively thicker than a lower plywood, and has a flange on the periphery. A ceiling insulation panel comprising a rigid foam insulation material fixed thereto and a relatively thin lower plywood adhered to a lower surface of the rigid foam insulation material. 2. The ratio of the thickness of the upper plywood to the thickness of the lower plywood is 1.8.
The ceiling heat insulating panel according to claim 1, wherein the thickness is from 3.0 to 3.0. 3. An upper plywood having a relatively rectangular upper surface and a flange portion formed around the four sides, and a relatively thick upper plywood;
A ceiling insulation panel consisting of a three-layer structure of a relatively thin lower plywood with a flat rectangular shape, and a hard foam insulation upper surface exposed on both short sides and one long side of the upper plywood and a flange on the other long side. A ceiling heat insulation panel which can be laid by joining a plurality of pieces in the short side direction by a combination of ceiling heat insulation panels having portions.