JP2001032458A - Arched heat insulating roof structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the deterioration of an external appearance by the constitution to be curved by excellenly curving a heat insulating roof material for filling a heat insulating material between the obverse/reverse metallic skins in a gentle arc shape. SOLUTION: In an arched heat insulating roof structure executed by curving a heat insulating roof material 4 for filling a heat insulating material 3 between the obverse/reverse metallic skins 1, 2 in a gentle arc shape, a cutoff groove 6 is formed in a part of the reverse metallic skin 2 and the heat insulating material 3 in the direction almost orthogonal to the tangent direction of an arched surface of the heat insulating roof material 4 in a position of purlins 5 for supporting the heat insulating roof material 4, the heat insulating roof material 4 is fixed to the purlins 5 by a through bolt 7 in a position separate from the cutoff groove 6, and the cutoff groove 6 is positioned on the purlins 5.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of an arch-shaped insulated roof, and more particularly, to a structure in which an insulated roof material filled with a heat insulating material between front and back metal skins is gently and smoothly curved in an arc shape. The present invention relates to a technique for preventing the appearance from being deteriorated by the configuration.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 3, an arched heat-insulating roof structure in which a heat-insulating roof material 4 filled with a heat-insulating material 3 between front and back metal shells 1 and 2 is gently curved in an arc shape. In some cases, at the position of the purlins 5 supporting the heat insulating roofing material 4, the metal outer skin 1 on the front side of the heat insulating roofing material 4 may be sticky or the metal outer skin 2 on the back side may buckle. In particular, the heat-insulating roofing material 4 is remarkable in the heat-insulating roofing material 4 in which a plurality of square mountain parts 8 are formed at intervals in the length direction of the purlin 5.

[0003]

SUMMARY OF THE INVENTION The present invention has been made in view of such a problem, and a heat insulating roof material filled with a heat insulating material between front and back metal skins is gently and smoothly curved in an arc shape. It is an object of the present invention to provide a structure of an arch-shaped insulated roof that can prevent the appearance from being deteriorated by a configuration for causing it to fall.

[0004]

According to the first aspect of the present invention, there is provided a structure of an arch-type heat-insulating roof in which a heat-insulating roof material 4 filled with a heat insulating material 3 between front and back metal shells 1 and 2 is gently curved in an arc shape. At the position of the purlin 5 that supports the heat-insulating roofing material 4, a part of the metal outer skin 2 and the heat-insulating material 3 is cut off in a direction substantially orthogonal to the tangential direction of the arch-shaped surface of the heat-insulating roofing material 4. A groove 6 is formed, and the heat insulating roofing material 4 is fixed to the purlin 5 with a through bolt 7 at a position away from the cut groove 6, and the cut groove 6 is positioned on the purlin 5. . According to such a configuration, the insulated roofing material 4 can be gently bent by the cutout grooves 6 formed in the back metal outer skin 2 and a part of the heat insulating material 3, and the front and back metal outer skins 1, 2 can be sticky. Since the buckling does not occur and the cut-out groove 6 is removed by the through bolt 7 to fix the heat-insulating roof material 4 to the purlin 5, the heat-insulating roof material 4 is moved to the purlin 5.
The cutting groove 6 can be fixed firmly to the
, The resection groove 6 does not appear to the outside, and the appearance does not deteriorate.

According to a second aspect of the present invention, the cutout groove 6 is arranged at an upper position in the arch shape than the through bolt 7. According to such a configuration,
Since the through bolt 7 is located at the lower position in the arch shape of the cutout groove 6, the fixing strength of the heat insulating roofing material 4 by the through bolt 7 can be increased.

Incidentally, it is also preferable that the heat-insulating roofing material 4 is formed with a plurality of square mountain parts 8 at intervals in the longitudinal direction of the purlin 5. It is also preferable that the depth L of the cut groove 6 is more than ten millimeters and the width W is several millimeters.

[0007]

Embodiments of the present invention will be described below. 1 (a) is a schematic side view, FIG. 1 (b) is an enlarged sectional view after construction, FIG. 1 (c) is a sectional view before construction, and FIG. 2 is a perspective view of a heat insulating roof material.

A heat insulating roofing material 4 is formed by filling a heat insulating material 3 of a hard urethane foam or an isocyanurate foam between front and back metal outer skins 1 and 2 formed of painted steel sheet. 4, a plurality of square mountain parts 8 are formed at intervals in the length direction of the purlin 5.

The roof is constructed by bending such an insulated roofing material 4 into an arch shape, and the radius of curvature R at which the arch shape is bent has a critical radius of about 30 m.

The thickness T of the heat insulating roofing material 4 is 25 mm, 35 m
m or 45 mm, and the height H of the square peak 8
Is 38 mm, but may be of other dimensions. The length M of the insulated roofing material 4 is up to about 20 m, and is the length from the eaves to the ridge.

As shown in FIG. 1, at the position of the purlins 5 supporting the heat insulating roofing material 4, the back metal shell 2 and the heat insulating material 2 extend in a direction substantially perpendicular to the tangential direction of the arch-shaped surface of the heat insulating roofing material 4. A cut groove 6 is formed in a part of the material 3 to have a full width. The depth L of the resection groove 6 is 12 mm and the width W is 3 mm. In short, the depth L of the cut groove 6 may be more than ten millimeters and the width W may be several millimeters.

Thus, as shown in FIG. 1 (b), the heat insulating roofing material 4 is fixed to the purlin 5 with the through bolts 7 at a position away from the cutout groove 6, and the cutout groove 6 is positioned above the arch shape. It is arranged. By the way, at the vertex of the arch shape, the cut groove 6 may be shifted to the left or right of the through bolt 7.

According to such a configuration, the back metal outer cover 2
The heat insulating roofing material 4 can be gently bent by the cutout groove 6 having a depth L of about 12 mm and a width W of about 3 mm formed on the heat insulating material 3 and a part of the heat insulating material 3.
There is no swelling or buckling. Moreover, since the cut-out groove 6 is removed by the through bolt 7 and the heat-insulating roof material 4 is fixed to the purlin 5, the heat-insulating roof material 4 is moved to the main house 5.
The cutting groove 6 can be fixed firmly to the
, The cutout groove 6 does not appear on the lower surface side, and the appearance does not deteriorate.

In the embodiment, the heat insulating roof material 4
Although the square-shaped mountain part 8 was formed in this example, the flat heat-insulating roofing material 4 without the square-shaped mountain part 8 may be used.

[0015]

According to the first aspect of the present invention, there is provided an arched heat-insulating roof structure in which a heat-insulating roof material filled with a heat insulating material between front and back metal skins is gently curved in an arc shape and constructed, and the heat-insulating roof material is supported. At the location of the purlin, a cutout groove is formed in the metal outer skin and a part of the heat insulating material in a direction substantially perpendicular to the tangential direction of the arch-shaped surface of the heat insulating roofing material, and a through bolt is provided at a position away from the cutout groove. Since the heat-insulated roof material is fixed to the main house and the cut grooves are located on the main house, the heat-insulated roof material can be bent gently by the cut grooves formed in the metal outer skin and some heat insulating materials, There is no sticking or buckling in the metal skin on the front and back, and since the cut-out groove is removed by the through bolt and the heat-insulating roof material is fixed to the main building, the heat-insulating roof material can be firmly fixed to the main house. , Resection groove Since in the position of the main building, without appearing the ablation groove to the outside, there is an advantage that is not to reduce the appearance.

In the second aspect, the cut groove is arranged at an upper position in the arch shape than the through bolt.
In addition to the effect of the first aspect, since the penetration bolt is located below the cutout groove, there is an advantage that the fixing strength of the heat insulating roof material by the penetration bolt can be increased.

[Brief description of the drawings]

FIG. 1 shows an embodiment of the present invention, in which (a) is a schematic side view, (b) is an enlarged sectional view after construction, and (c) is an enlarged sectional view before construction.

FIG. 2 is a perspective view of the same heat insulating roof material.

3A and 3B show a conventional example, in which FIG. 3A is a perspective view, and FIG. 3B is an enlarged sectional view after construction.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 metal outer shell 2 metal outer shell 3 heat insulating material 4 heat insulating roof material 5 purlin 6 cut groove 7 penetrating bolt 8 square mountain part

Claims (4)

[Claims] 1. An arch-type heat-insulating roof structure in which a heat-insulating roof material filled with a heat-insulating material between front and back metal skins is gently curved in an arc shape, and is constructed. A cutout groove is formed in a part of the back metal outer cover and the heat insulating material in a direction substantially orthogonal to the tangential direction of the arch-shaped surface of the roofing material, and the roofing material is insulated with a through bolt at a position away from the cutout groove. An arch-shaped insulated roof structure characterized in that the roof is fixed to the ceiling and the cut groove is located on the main roof. 2. The cutting groove according to claim 1, wherein the cutting groove is arranged at an upper position in the arch shape than the through bolt.
The arched insulated roof structure as described. 3. The arched heat-insulating roof structure according to claim 1, wherein the heat-insulating roof material is formed by forming a plurality of square mountain parts at intervals in the length direction of the purlin. 4. The structure of an arch-type insulated roof according to claim 1, wherein the depth of the cut groove is more than ten millimeters and the width is several millimeters.