JP-2026074835-A - Roof structure

Abstract

[Problem] To provide a fastening bracket and roof structure that can easily improve the accuracy of screw positioning when fastening the first roof panel to the purlin. [Solution] The fastening fitting 16 fastens the first roof panel 11 to the purlin 18. The first roof panel 11 has a first fitting portion 41. The first fitting portion 41 is provided at one end of the first roof panel 11 in the short direction and has a recess 42 recessed on the other side of the first roof panel 11 in the short direction and a stepped portion 43 provided above the recess 42 and on the other side of the first roof panel 11 in the short direction than the bottom surface of the recess 42. The fastening fitting 16 includes a plate-shaped member 55 positioned above the recess 42 and on one side of the stepped portion 43 in the short direction of the first roof panel 11, a retaining portion 56 provided on the plate-shaped member 55 that engages with the recess 42, and one or more screw holes 57 that penetrate the plate-shaped member 55. [Selection Diagram] Figure 8

Inventors

• 三浦 慶政
• 城風 智行
• 松村 康弘

Assignees

• 株式会社URS

Dates

Publication Date

20260507

Application Date

20241021

Claims (3)

1. A fastening bracket for fastening a roof structure to a purlin, comprising a first roof panel having a first fitting portion and a second roof panel having a second fitting portion that fits with the first fitting portion, Each of the first roof panel and the second roof panel has an insulating material and two metal outer shells facing each other with respect to the insulating material. The first fitting portion is provided at one end of the first roof panel in the short direction, and has a recess that is recessed on the other side of the first roof panel in the short direction, and a stepped portion provided above the recess and on the other side of the first roof panel in the short direction, above the bottom surface of the recess. The second fitting portion is provided at the other end of the second roof panel in the short direction and has a protrusion that projects to the other side of the second roof panel in the short direction and fits into the recess, and a cover portion provided above the protrusion with a gap between it and the protrusion, extending to the other side of the second roof panel in the short direction and covering the stepped portion. A plate-shaped member positioned above the recess and on one side of the stepped portion in the short direction of the first roof panel, A retaining portion is provided on the plate-shaped member and is engaged with the recess, A fastening fitting comprising one or more screw holes penetrating the plate-shaped member.
2. The fastening fitting according to claim 1, wherein the retaining portion is arranged along the longitudinal direction of the first roof panel, or along the short direction of the first roof panel.
3. The fastening fitting according to claim 1 or 2, A first roof panel having a first fitting portion is provided on multiple main buildings, A second roof panel is provided adjacent to the first roof panel on a plurality of purlins and has a second fitting portion that fits with the first fitting portion, The system includes a waterproof and airtight tape attached to the upper surface of the first roof panel and the upper surface of the second roof panel so as to cover the gap between the first fitting portion and the second fitting portion. Each of the first roof panel and the second roof panel has an insulating material and two metal outer shells facing each other with respect to the insulating material. The first fitting portion is provided at one end of the first roof panel in the short direction, and has a recess that is recessed on the other side of the first roof panel in the short direction, and a stepped portion provided above the recess and on the other side of the first roof panel in the short direction, above the bottom surface of the recess. The second fitting portion is provided at the other end of the second roof panel in the short direction and has a protrusion that projects to the other side of the second roof panel in the short direction and fits into the recess, and a cover portion provided above the protrusion with a gap between it and the protrusion, extending to the other side of the second roof panel in the short direction and covering the stepped portion. The waterproof and airtight tape has an adhesive layer adhered to the upper surface of the first roof panel and the upper surface of the second roof panel, and an aluminum layer provided on the adhesive layer. The fastening hardware is a roof structure for fastening the first roof panel to the purlin.

Description

This invention relates to fastening hardware and roof structures. A roof structure in which multiple roof panels are connected is known (see, for example, Patent Document 1). Patent Document 1 discloses a flat roof in which insulating panels, as roof panels, are connected by fitting protrusions and recesses. The insulating panels are fastened to the building structure, such as purlins, by driving fasteners such as screws or nails from the top of the insulating panels to the building structure. The gaps between adjacent insulating panels are sealed with tape made of aluminum foil. Japanese Patent Publication No. 2007-262698 This is a partially broken perspective view showing the structure of the roof.This is a partially enlarged cross-sectional view of the roof structure.This is a cross-sectional view illustrating the configuration of the first mating portion.This is a cross-sectional view illustrating the configuration of the second mating portion.This is a cross-section of waterproof and airtight tape.This is an enlarged view of section A shown in Figure 2.This is an enlarged view showing the state in which the gap between the concave and convex parts is filled with foam material.This is an enlarged perspective view showing the configuration of the fastening hardware.This is an enlarged perspective view showing an alternative arrangement of the fasteners. The embodiments for carrying out the present invention will be described below with reference to the drawings. In the following description and drawings, common components are denoted by the same reference numerals. Descriptions of components denoted by the same reference numerals will be omitted as appropriate. Figure 1 is a partially broken perspective view showing the configuration of the roof structure 10. Figure 2 is a partially enlarged cross-sectional view of the roof structure 10. In the figures, the X-axis direction is the front-to-back direction, the Y-axis direction perpendicular to the X-axis direction is the left-to-right direction, and the Z-axis direction perpendicular to both the X-axis and Y-axis directions is the up-and-down direction. As shown in Figures 1 and 2, the roof structure 10 comprises a first roof panel 11, a second roof panel 12, a waterproof and airtight tape 13, a waterproof and fireproof laminate 14, a foam material 15, and fastening hardware 16. In Figure 1, the second roof panel 12, the waterproof and airtight tape 13, and the urethane film 31, primer 32, and topcoat 33 constituting the waterproof and fireproof laminate 14 (described later) are shown sequentially shifted to the right relative to the first roof panel 11. The first roof panel 11 is provided on multiple purlins 18. Figure 1 shows two purlins 18 spaced apart from each other in the left-right direction (Y-axis direction). Figure 2 is a cross-sectional view of the roof structure 10 cut along the rightmost purlin 18 of the two purlins 18 spaced apart from each other in the left-right direction. The purlins 18 are made of steel rafters, etc. The purlins 18 extend in the front-to-back direction (X-axis direction). The purlins 18 are attached to multiple beams. The beams extend in the left-to-right direction. The beams are attached to columns (not shown). The columns extend in the up-and-down direction (Z-axis direction). The thickness of the purlins 18 is, for example, 2.3 mm or more. The second roof panel 12 is installed adjacent to the first roof panel 11 on multiple purlins 18. In this example, the second roof panel 12 is installed in front of the first roof panel 11. Each of the first roof panel 11 and the second roof panel 12 extends in the left-right direction (Y-axis direction). Each of the first roof panel 11 and the second roof panel 12 is formed in a rectangular shape in plan view. In the first roof panel 11 and the second roof panel 12, the left-right direction is referred to as the longitudinal direction, and the front-back direction (X-axis direction) is referred to as the short direction. The longitudinal direction may also be referred to as the long side direction. The short direction may also be referred to as the short side direction. In this embodiment, multiple first roof panels 11 are arranged in the left-right direction (Y-axis direction), and multiple second roof panels 12 are arranged adjacent to the multiple first roof panels 11 in the left-right direction. Each of the first roof panel 11 and the second roof panel 12 has an insulating material 21 and two metal outer shells 22 and 23 facing each other via the insulating material 21. The first roof panel 11 and the second roof panel 12 have excellent fire resistance due to the insulating material 21 and the metal outer shells 22 and 23. The first roof panel 11 and the second roof panel 12 are also referred to as insulating sandwich panels or insulating panels. The insulation material 21 is composed of, for example, inorganic insulation material, foamed resin insulation material, etc. Example