JP5394293B2 - Connecting structure of roofing materials - Google Patents

Description

The present invention relates to a roof material connection structure with improved construction function, waterproof function, and the like.

In general, a large number of roofing materials obtained by processing metal plate materials by roll molding, press molding, or the like are on the market. (For example, refer to Patent Documents 1 and 2).

Japanese Utility Model Publication No. 55-117522 JP-A-9-195451

Patent documents 1 and 2 are metal roofing materials which form a vertical joint by forming a heat insulating material on the back surface and overlapping left and right end portions. However, Patent Documents 1 and 2 have a structure in which the left and right end portions are overlapped to connect the lateral direction, but the waterproofness is inferior, and there is a risk of water leakage in the unlikely event. Moreover, although patent document 1 strengthened waterproofness by the protrusion part and patent document 2 by the drainage groove, while distortion generate | occur | produced by shaping | molding, shaping | molding was complicated.

In order to solve such drawbacks, the present invention forms a male-female connection structure at the upper and lower ends, and at one end edge in the left-right direction, the end is bent inward on the decorative surface side and folded back to be inclined to the outdoor side. The bottom connecting part is formed with an inclined waterproofing piece that protrudes, and at the other end, the protruding part protrudes outward at the other end, and the tip of the protruding piece is bent inward to return to the indoor side. By using the roof material formed with the upper connection part formed from the contact piece, and connecting with the male and female connection structure of the upper and lower ends of the roof material, and overlapping the upper connection part on the lower connection part of the roof material Provided is a roof material connection structure for connecting the left and right ends of the roof material.

As described above, according to the roofing material connecting structure according to the present invention, (1) since joints are not required, workability is improved. (2) By forming the inclined waterproof piece, it is possible to prevent a gap from being generated between the back surface of the roof material and the inclined waterproof piece, and the waterproofness is enhanced. (3) By forming the contact piece, the fluttering of the end portion is reduced, and down force due to wind acts on the end portion of the contact piece, thereby enhancing the adhesion between the inclination prevention piece and the back surface of the roofing material. The gap can be further eliminated by the synergistic effect, and the waterproof property can be improved. There are features and effects.

It is explanatory drawing which shows a typical example of the connection structure of the roof material which concerns on this invention. It is explanatory drawing which shows the construction state of the connection structure of the roof material which concerns on this invention. It is explanatory drawing which shows the construction state of the connection structure of the roof material which concerns on this invention. It is explanatory drawing which shows the roof material used for the connection structure of the roof material which concerns on this invention. It is explanatory drawing which shows the roof material used for the connection structure of the roof material which concerns on this invention. It is explanatory drawing which shows the roof material used for the connection structure of the roof material which concerns on this invention. It is explanatory drawing which shows the roof material used for the connection structure of the roof material which concerns on this invention. It is explanatory drawing which shows the roof material used for the connection structure of the roof material which concerns on this invention. It is explanatory drawing which shows the construction state of the connection structure of the roof material which concerns on this invention, and the edge part of a roof material. It is explanatory drawing which shows the roof material used for the connection structure of the roof material which concerns on this invention. It is explanatory drawing which shows the construction order of the connection structure of the roof material which concerns on this invention. It is explanatory drawing which shows the construction order of the connection structure of the roof material which concerns on this invention. It is explanatory drawing which shows the construction state of the connection structure of the roof material which concerns on this invention.

Below, the connection structure of the roof material which concerns on this invention is demonstrated in detail using drawing. 1 to 3 are explanatory views showing the construction state of the roof material A, and FIGS. 4A to 4C are representative examples of the roof material A made of a metal roof material B, a heat insulating material C, and a back material D. Explanatory drawing, FIG. 5-8 is explanatory drawing which shows the right-and-left end part of the roofing material A, In FIG. 9 (a)-(c), (a) figure is an aa part end elevation figure of FIG. FIG. 5 is an end view of the bb portion in FIG. 5, and FIG. 5C is an end view of the cc portion in FIG. 6.

10A to 10C, FIG. 10A is a sectional view taken along the line dd in FIG. 8, FIG. 10B is a sectional view taken along the line ee in FIG. 8, and FIG. FIG. Further, FIGS. 11A to 11C and FIGS. 12A to 12C are explanatory diagrams showing a construction order, and FIG. 13 is an explanatory diagram showing a construction state. In the figure, α is a base, β is a fixture such as a nail, γ is a vertical joint, γ1 is a horizontal joint, K is a house, M is a window, and Y is a roof.

The base α indicates a wooden base composed of a rafter 1, a field board 2 and a waterproof sheet 3 as shown in FIG. That is, it is a base α having a general structure in which a base plate 2 is laid on the rafter 1 and a waterproof sheet 3 (asphalt felt) is disposed on the base plate 2. In addition, as base α, H-shaped steel, I-shaped steel, grooved steel, lightweight grooved steel, lip groove shaped steel, equilateral angled steel, unequal angled angled steel, square steel (square pipe), round steel (circular pipe), It is also possible to use a steel base using, for example. Of course, when the existing roof is refurbished as it is, the existing roof (not shown) such as a metal side roof, a metal roof tile roof, a new roof tile (colonial), a tile roof, etc. is provided on the base α. The formed existing roof structure is the base α. Of course, the base α on which the waterproof sheet 3 is not formed may be used.

The metal roof material B is formed by roll forming, press forming, extrusion forming, or the like of a metal plate (color steel plate, copper plate, aluminum plate, titanium plate, stainless steel plate, sandwich steel plate, clad steel plate, etc.), for example. .

More specifically, the metal roofing material B has a long plate shape. As shown in FIGS. 4A to 4C, the decorative surface 4, the back surface 5, and the decorative surface 4 below the surface of the decorative surface 4. A stepped decorative surface 6 with the side ends hanging down indoors, and an insertion edge 7 formed by bending in a substantially U shape so as to open to the water side, and the decorative surface 4 and the stepped decorative surface 6 and the insertion edge 7, a substantially U-shaped hook groove 8 is formed to form a male connecting portion 9.

Further, as shown in FIGS. 4A to 4C, the above-mentioned plug formed by opening the tip of the decorative surface 4 to the water-side end and forming a substantially U-shaped cross section at the water-side end portion of the decorative surface 4. A fitting groove 10 fitted to the edge 7, a fitting edge 11 serving as an upper edge of the fitting groove 10, and a fixing surface 12 are formed to form a female connecting portion 13.

Furthermore, as shown in FIGS. 5, 7, and 9 (a) to 9 (c), at one end edge of the metal roof material B, a lower end portion 14 a protrudes inward on the outdoor side of the decorative surface 4. An inclined waterproof piece 15 that protrudes inclined toward the outdoor side, a recess 16 formed in the inclined waterproof piece 15, a waterproof gap 17 formed by the recess 16, and a decorative face 4 outside the tip of the inclined waterproof piece 15. The lower connection part 14 formed from the convex part 18 which inclines to the center of the decorative surface 4 and protruded on the outdoor side is formed on the top. More specifically, when the inclined waterproof piece 15 forms the horizontal piece 15a and the inclined piece 15b with the recess 16 as a boundary, the inclined piece 15b contacts the back surface 5 of the metal roofing material B with the recess 16 as the center. It can be smoothly deformed along the back surface 5.

Moreover, as shown in FIG.6, FIG.8, FIG.9 (a)-(c), the upper end part 19a of the other end edge of the metal roof material B is outward on the other end edge of the metal roof material B. The protruding piece 20 further protruding, the notch 21 obtained by cutting the protruding portion of the female connecting portion 13, the tongue piece 22 in which the tip of the protruding piece 20 is folded back inward, and the tip of the protruding piece 20 are shown in FIG. A contact piece 20a that is slanted inwardly, a notch 23 on the back surface of the protruding piece 20, a drain hole 24 that is cut out in the vicinity of the upper end portion 19a of the insertion edge 7, and a second drain hole 25; The upper connecting portion 19 formed from the positioning piece 26 and the waterproof gap 27 formed from the contact piece 20a is formed.

As shown in FIGS. 2, 3, and 9 (a) to 9 (c), the lower connecting portion 14 is a portion that exhibits a waterproof function when the upper connecting portion 19 is connected.

The inclined waterproof piece 15 is formed by folding the lower end portion 14a to the outdoor side and forming the tip portion inclined to the outdoor side so that it contacts the back surface 5 of the protruding piece 20 by its springback function and is waterproof. In addition to strengthening, a recess 16 is formed in the middle, thereby forming a waterproof gap 17 in the connecting portion and further improving waterproofness. In addition, when the height of the contact piece 20a is H and the height of the inclined waterproof piece 15 is h, the relationship of H <h is established.

As shown in FIG. 5, a plurality of convex portions 18 are inclined to the lower side of the center of the decorative surface 4 and formed at a constant pitch, so that rainwater, wind, etc. that are to enter inside are indicated by dotted arrows in FIG. As shown in the figure, the water is discharged to the outside, and the waterproofness and airtightness are further improved by the synergistic effect of the inclined waterproof piece 15, the recess 16, the waterproof gap 17, the contact piece 20a, and the waterproof gap 27.

In the figure, the formation angle r is r = 30 °. Further, the formation position of the convex portion 18 is the width from the lower end portion 14a to the convex portion 18 formation position, and the width from the upper end portion 19a to the tip of the protruding piece 20 (the width of the notch 23) as shown in FIG. If W is W, then W> w. In addition, in the relationship between the convex parts 18 as shown in FIG. 5, if the vertical overlap t is provided between the convex parts 18, waterproofness will improve further. Note that T ≧ 0, where T is the overlap in the vertical direction of the protrusion 18.

By forming a plurality of the convex portions 18 by inclining in this way, molding can be performed while minimizing molding distortion at the end portion. Moreover, since there is no distortion, the dimensional accuracy of the metal roofing material B is improved, and the workability and waterproofness are improved by improving the dimensional accuracy.

As shown in FIGS. 2, 3, and 9 (a) to 9 (c), the upper connecting portion 19 is a portion that exhibits a waterproof function when connected to the lower connecting portion 14.

As shown in FIG. 9A, the protruding piece 20 is a portion that is formed on the lower connecting portion 14 via the notch 21 and forms a waterproof vertical joint γ. A plurality of waterproof gaps 27 are formed by the piece 20a to improve waterproofness and airtightness.

The notch 21 is a space where the fitting edge 11 and the fixing piece 12 are notched so that the female connecting portion 13 does not get in the way when the metal roof materials B are connected to each other. Of course, the heat insulating material C and the back surface material D do not exist in the notch 21.

The abutting piece 20a prevents a space from being formed in the vertical joint γ between the protruding piece 20 and the decorative surface 4, improves the waterproof property, and improves the design and prevents the end portion from fluttering. It is formed and exerts a spring back by being formed at an inclination. Further, by forming the contact piece 20, down force due to wind acts on the end portion to improve the adhesion of the end portion to eliminate the gap and further improve the waterproof property.

The notch 23 is a space that is notched so that the heat insulating material C and the back surface material D do not get in the way when the roof materials A are connected in the horizontal direction.

When the drainage hole 24 is connected as shown in FIGS. 1 to 3, the rainwater that has entered from the vertical joint γ portion does not enter the interior from the insertion edge 7 portion on the roof material A in the lower stage. It is a part that drains to the decorative surface 4.

When the second drain hole 25 is connected as shown in FIGS. 1 to 3, when rainwater that has entered from the vertical joint γ portion enters the drain hole 24, the lower roof material It is a part which drains to the decorative surface 4 on A. The positioning piece 26 is a part for specifying the formation position of the notch 23. Of course, the positioning piece 26 is used as a cutting position (marker) of the heat insulating material C and the back material D for separating the plurality of continuous roof materials A formed with the heat insulating material C and the back material D at the time of manufacturing the roof material A. Is also a functioning part.

The heat insulating material C functions as a waterproof material, a heat insulating material, a reinforcing material, a raising material, a soundproof material, a sound absorbing material, a buffer material, a fireproof material, a dew condensation prevention material, etc., and mainly uses a synthetic resin foam. Is. The material is made of synthetic resin foam such as styrene foam, polyurethane foam, polyisocyanurate foam, phenol foam, vinyl chloride foam, polyethylene foam, polystyrene foam, urea foam, etc. And a curing agent and a foaming agent are mixed, discharged onto the back surface side of the front surface material or the back surface material, and heated to react, foam and cure.

In addition, in the heat insulating material C, lightweight aggregates (perlite grains, glass beads, gypsum slag, talc stone, shirasu balloon, aluminum hydroxide, etc.), fibrous materials (glass wool, rock wool, carbon fiber, Graphite etc. can be mixed to improve fire resistance and fire resistance.

Back material D is 1 such as kraft paper, aluminum evaporated paper, asphalt felt, metal foil (Al, Fe, Pb, Cu), synthetic resin sheet, rubber sheet, cloth sheet, gypsum paper, aluminum hydroxide paper, glass fiber nonwoven fabric, etc. It is composed of a seed, or a laminate of two or more kinds, or a sheet subjected to waterproof treatment or flame retardant treatment.

The packing material E is formed continuously on the back surface in the vicinity of the contact piece 20a as shown by dotted lines in FIGS. 8 and 9A, and prevents rainwater from entering from the vertical joint γ. Of course, the packing material E may be formed continuously on the inclined waterproof piece 15 or on the decorative surface 4 on the lower end portion 14a side.

Examples of the packing material E include, for example, regular and elastic packing materials E such as foamed rubber, polyvinyl chloride, chloroprene, chlorosulfonated polyethylene, ethylene propylene, asphalt impregnated polyurethane, EPM, EPDM, and the like. Examples of commercially available or curable packing materials E include silicone-based (reaction curable type, moisture curable type), modified silicone type (reactive curable type), polysulfide type (reactive curable type), polyurethane type ( It is composed of a reaction curing type, a moisture curing type), an SBR type (dry curing type), an acrylic type (dry curing type), and the like, and is mainly useful as a function of a waterproof material, an airtight material, and the like.

Then, the construction method of the connection structure of the roof material which concerns on this invention is demonstrated. Therefore, it is assumed that the roof material A as shown in FIGS. 3A and 3C is constructed as shown in FIGS. 1 and 11A to 11C.

First, as shown in FIG. 1, the upper roof material A is constructed on the lower roof material A as shown in FIG. 11 (a), on the lower connecting portion 14 of the left roof material A1 in FIG. 12 (a). (B) As shown in FIG.12 (b), the upper connection part 19 of the right roof material A2 is piled up.

After that, as shown by arrows in FIGS. 11 (b) and 12 (b), the right roofing material A is inserted so as to be pushed in, and the fixing piece 12 of the roofing material A2 is made of a nail or the like as shown in FIG. It fixes to base | substrate (alpha) with the fixing tool (beta), and it constructs as shown in FIG.12 (c). By sequentially performing this process in the right direction and the upward direction, the construction is completed as shown in FIG. Of course, it is also possible to insert the right roof material A2 so as to be pushed in an oblique direction.

α base β fixing fixture γ vertical joint γ1 horizontal joint A roofing material A1 roofing material A2 roofing material B metal roofing material C heat insulating material D back surface material E packing material K house M window Y roof 1 rafter 2 field plate 3 waterproof sheet 4 makeup Surface 5 back surface 6 step decorative surface 7 insertion edge 8 hook groove 9 male connection portion 10 fitting groove 11 fitting edge 12 fixing edge 12 female connection portion 14 lower connection portion 14a lower end portion 15 inclined waterproof piece 15a horizontal piece a
15b inclined piece 16 concave portion 17 waterproof gap 18 convex portion 19 upper connecting portion 19a upper end portion 20 projecting piece 20a contact piece 21 notch 22 tongue piece 23 notch 24 drain hole 25 second drain hole 26 positioning piece 27 waterproof gap

Claims (1)

A male-female connection structure is formed at the upper and lower ends, and a lower connection part is formed on the one end edge in the left-right direction. At the other end edge, an upper connecting portion formed from a protruding piece whose end is protruded outward and an abutting piece which is bent inwardly at the tip of the protruding piece and is turned indoors is formed. It is characterized by using roofing material and connecting the roofing material with male and female connection structures at the upper and lower ends, and connecting the left and right ends of the roofing material by overlapping the upper connecting part on the lower connecting part of the roofing material. Connecting structure of roofing material.

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