JP5496789B2 - Exterior waterproof structure of exterior material - Google Patents

Description

The present invention relates to an edge waterproof structure for an exterior material that forms an exterior of a building or a structure.

In general, a large number of horizontal metal exterior materials obtained by processing a metal plate material by roll molding, press molding or the like are on the market. (For example, see Patent Documents 1 to 3).

Japanese Patent Laid-Open No. 11-172848 JP 2002-371690 A JP 2003-239418 A

In Patent Documents 1 to 3, since the back material and the fixing part are not bonded and are in a free state in which the back material end is exposed on the indoor side, the end member (protruding corner, entering corner, vertical joint) When the rainwater enters the inside through the gap between the fixed portion and the back surface, the capillarity phenomenon occurs in the gap between the fixed portion and the back surface material. As a result, rainwater continuously invades (runs sideways) in the direction of the inside of the housing, and the rainwater may stagnate inside the housing. For this reason, the humidity inside the housing is increased, and there is a risk of adverse effects such as generation of rust and corrosion of exterior materials and the housing.

In order to solve such drawbacks, the present invention provides a long end member having a U-shaped insertion space between a flat fixed piece and a decorative piece, a vertical decorative surface, and a lower end. In the structure of the end portion of the exterior material using a long-type exterior material of a horizontal type in which a core material is filled between a front surface material and a back surface material in which a female shape connection portion is formed at the upper end, the exterior material The male connecting portion is formed from an engaging groove having a U-shaped recess at the lower end of the decorative surface and an engaging piece formed by the engaging groove, and the female connecting portion has a decorative surface. A fitting piece and a fixing surface are formed from a fitting groove whose upper end is recessed downward in a U-shape, the back surface material is integrated with the core material, and stretched from the fixing surface back surface to the engagement piece, and The exterior material with the back surface material cut out at a fixed width at both ends in the longitudinal direction is connected vertically, and both ends of the exterior material are inserted into the U-shaped insertion space of the end member. Is an end waterproof structure of the outer package being.

According to the waterproof structure for the edge part of the exterior material according to the present invention, since the back surface material at both ends in the longitudinal direction is formed by cutting out the fixed surface with a certain width, (1) No intrusion into the housing via the back material. (2) Since rainwater does not enter the interior of the enclosure, corrosion of the exterior material, enclosure, etc. can be prevented. There are features and effects.

It is sectional drawing which shows the construction state of the edge part waterproof structure of an exterior material in this invention. It is sectional drawing which shows the construction state of the edge part waterproof structure of an exterior material in this invention. It is sectional drawing which shows the representative example of the exterior material used for the edge part waterproof structure of an exterior material in this invention. It is a perspective view which shows the typical example of the exterior material used for the edge part waterproof structure of an exterior material in this invention. It is sectional drawing which shows an example of the end member which constructs the edge part waterproof structure of an exterior material in this invention. It is a perspective view which shows an example of the conventional exterior material. It is sectional drawing which shows the construction state of the conventional exterior material. It is explanatory drawing which shows the processing order of the exterior material used for the edge part waterproof structure of an exterior material to this invention. It is explanatory drawing which shows the processing order of the exterior material used for the edge part waterproof structure of an exterior material to this invention. It is explanatory drawing which shows the processing order of the exterior material used for the edge part waterproof structure of an exterior material to this invention. It is sectional drawing which shows the other Example of the exterior material used for the edge part waterproof structure of an exterior material to this invention. It is a perspective view which shows the other Example of the exterior material used for the edge part waterproof structure of an exterior material to this invention. It is a perspective view which shows the other Example of the exterior material used for the edge part waterproof structure of an exterior material to this invention. It is sectional drawing which shows the other Example of the end member which constructs the edge part waterproof structure of an exterior material in this invention.

Hereinafter, an embodiment of the waterproof structure for an end portion of an exterior material will be described in detail with reference to the drawings. 1 (a), (b), FIG. 2 (a), and (b) are cross-sectional views showing a construction state of the end waterproof structure of the exterior material according to the present invention, and FIG. The aa section sectional view of a figure, (b) Drawing is the bb section sectional view of (a) figure. 3 (a) and 3 (b) are cross-sectional views showing an embodiment of the exterior material A used for the end waterproof structure of the exterior material according to the present invention, and FIG. 3 shows the end waterproof structure of the exterior material according to the present invention. It is a perspective view which shows one Example of the exterior material A to be used, and is the exterior material A which sandwiched the core material 3 which consists of a synthetic resin foam with the surface material 1 and the back surface material 2, for example.

As an example of the overall shape of the exterior material A, as shown in FIGS. 3A, 3B and 4, a core material 3 is sandwiched between a long surface material 1 and a back material 2 made of a thin metal plate material. And it is the elongate thing formed from the male type | mold connection part 4 formed in the lower end of the width direction, and the female type | mold connection part 5 formed in the upper end. P is a waterproof / airtight sealing material, α is a housing, and β is a fixture.

More specifically, the male connecting portion 4 is formed of an engaging groove 7 having a U-shaped recess at the lower end of the decorative surface 6 and an engaging piece 8 formed by the engaging groove 7. Reference numeral 5 denotes a fitting piece 10 and a fixing surface 11 formed from a fitting groove 9 whose upper end of the decorative surface 6 is recessed downward in a U shape.

Reference numeral 12 denotes a back material extension, which is a portion where the fixing surface 11 and the back material 2 are not bonded. This is because both ends of the back material 2 are bonded to the surface material 1, and the surface material 1 is free of deformation so that the surface material 1 does not deform into an uneven shape when the surface material 1 repeatedly expands and contracts due to the influence of the outside air temperature. It is formed in a proper state. The back material extension 12 prevents the surface material 1 from being exposed to the inside of the warehouse when the back material 2 of the exterior material A is exposed inside the warehouse, etc. It is formed in order to suppress the occurrence of internal condensation at the back material extension portion 12.

The surface material 1 and the back material 2 are thin metal plates such as iron, aluminum, copper, stainless steel, titanium, aluminum / zinc alloy plated steel plate, galbarium steel plate, enamel steel plate, clad steel plate, laminated steel plate (PVC steel plate, etc.), sandwich steel plate (control) Corrugated steel sheet, etc.), vinyl chloride resin, polycarbonate resin, etc. (including color plates coated with various colors of course) are molded into various shapes by roll molding, press molding, extrusion molding or the like. Also, as the back material 2, aluminum vapor-deposited paper, kraft 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 Or a laminate of two or more kinds, or a sheet-like material that has been waterproofed or flame-retardant treated.

The core material 3 is made of a synthetic resin foam such as polyurethane foam, polyisocyanurate foam, phenol foam, vinyl chloride foam, polyethylene foam, polystyrene foam, urea foam, etc., and particularly when fire resistance is required. Is formed by mixing a stock solution of a resol type phenol, a curing agent, and a foaming agent, discharging the mixture onto the back surface side of the surface material 1 or the back material 2, and heating to react, foam and cure. In addition, the core material 3 includes lightweight aggregates (perlite grains, glass beads, gypsum slag, talc stone, shirasu balloon, aluminum hydroxide, etc.), fibrous materials (glass wool, rock wool, carbon fiber, Graphite and the like) can be mixed to improve fire resistance and fire resistance. Of course, an inorganic material such as rock wool, glass wool or ceramic wool may be used as the core material 3.

The exterior materials A are connected as shown in FIG. 1B by engaging pieces 8 to the fitting grooves 9 and fitting pieces 10 to the engaging grooves 7.

Reference numeral 12a denotes a notch, which cuts the back material 2 with a constant width t and removes the gap K between the back material 2 and the fixed surface 11 at both ends of the exterior material A. Note that the width t of the notch 12a has a relationship of t ≧ T with the width T of the fixed piece 13 of the base plate B, and rainwater R enters the interior of the housing α as shown in FIGS. 2 (a) and 2 (b). In such a case, the rainwater R flowing on the fixed piece 13 of the slat board B flows down on the fixed piece 13 of the slat board B as it is because there is no gap K.

S is an adhesive, as shown in FIG. 4, formed at the end of the back material 2 formed with the cutouts 12 a at both ends of the exterior material A, and formed in the gap K between the fixed surface 11 and the back material 2, Bonds the fixed surface 11 and the back surface material 2 so that when the rainwater R enters the interior of the housing α, the adhesive S portion becomes a breakwater and the rainwater R does not enter the gap K. It is a thing. Of course, it is also useful for preventing flapping at both ends of the back material 2 and preventing turning.

5 (a) to 5 (c) are cross-sectional views showing the end member Y used for the vertical joint, (a) the figure shows the siding board B, (b) the figure shows the cover material C, (c The figure shows the construction state, and Y1 is an insertion space into which the exterior material A is inserted.

More specifically, the siding plate B is formed in an elongated shape from a horizontal fixed portion 13 and a locking portion 14 in which a substantially central portion of the fixing portion 13 is recessed upward and a locking piece 14a is formed inside. Is formed.

Further, the cover material C is formed in an elongated shape from a horizontal decorative piece 15 and an engaging portion 16 that protrudes downward from a substantially central portion of the decorative piece 15 and has an engaging piece 16a formed in the middle. Formed.

The end member Y is used for a vertical joint portion as shown in the figure of the exterior material A, or to cover a portion where the end portion of the exterior material A is exposed, such as a protruding corner portion, an inset corner portion, a stop edge portion, etc. It is a long member formed by forming a metal plate material or a synthetic resin material (plastic material) or the like by roll molding or the like.

Here, the conventional problems will be described with reference to the drawings. FIG. 6 is a perspective view showing an example of a conventional exterior material A, and FIGS. 7A and 7B (FIG. 7A are shown in FIG. (a) is a cross-sectional view of the aa part, (b) is a cross-sectional view of the bb part of the (a) figure, and is a cross-sectional view showing a construction state of the conventional exterior material A. When the exterior material A between 11 is used, as shown by the dotted arrows as shown in FIGS. 6 (a) and 6 (b), the sealing material P1 is partially broken or cracked during heavy wind and rain. Rainwater R infiltrates into the inside from the generated part, and continuously infiltrates into the inside (sideways) from the gap K between the back material 2 and the fixed surface 11 due to the effect of capillarity, etc., and rainwater stagnates inside the housing α. There was a case. For this reason, the humidity inside the housing α is increased, and there is a risk of adverse effects such as generation of rust and corrosion of the exterior material A and the housing.

The processing method of the exterior material A is demonstrated using FIG. 3 (a), (b), FIG. 4, and FIGS. 8-10. First, as shown in FIG. 8, cutting is performed as shown in FIG. 9 with the length H of the fixing surface 11 and the cutting width t with the width T of the fixing piece 13 of the lining plate B. Next, as shown in FIG. 10, the back surface material 2 is turned over, and the back surface material 2 and the fixed surface back surface 11a are bonded together with an adhesive material S to form an exterior material A as shown in FIG. Of course, the end portion of the exterior material A formed in the insertion space Y1 of the end member Y forms this processing in all, but the notch 12a is formed in a portion where strong wind does not blow or where rainwater does not hit. In some cases, it may not be formed.

Here, the method for forming the exterior material A on the vertical joints will be described with respect to the construction method of the edge waterproof structure for the exterior material according to the present invention. First, the laying board B of the end member Y as shown in FIGS. 5A to 5C is vertically fixed to the housing α.

When the construction of the plurality of mats B is completed, as shown in FIGS. 1 (a) and 1 (b), the exterior material A having the notches 12a at both ends of the exterior material A as shown in FIG. Prepare a plurality of sheets, and connect the male connecting part 4 and the female connecting part 5 of the exterior material A from the base to the eaves between the slats B formed on the vertical joints, and the fixing surface 11 Construction is performed by sequentially performing the fixing process using β.

When the construction of the exterior material A is completed, the sealing material P1 is constructed with no gap between the end portion of the exterior material A and the engaging portion 14 of the lining plate B. Finally, the cover material C is engaged with the engaging portion 16 of the mating plate B and the engaging portion 16 is engaged to complete the construction.

What has been described above is only one embodiment of the end material waterproofing structure of the exterior material according to the present invention, and is illustrated as the exterior material A or the end member Y as shown in FIGS. 11 (a) to 11 (c). Those shown in 14 (a) to (c) can also be used.

That is, FIGS. 11A to 11C are cross-sectional views showing other examples of the decorative surface 4 of the exterior material A, and FIG. 12 is an adhesive S in which the ends of the fixed surface 11 and the back surface material 2 are L-shaped. FIG. 13 shows the exterior material A formed by making the width t of the notch 12a larger than the width T of the fixed piece 13 of the base plate B. FIG.

FIGS. 14A to 14C are cross-sectional views showing other examples of the end member Y formed as a protruding corner material, a corner material, and a parting material (stopping material).

α frame β fixing device A exterior material B cover plate C cover material K gap P sealing material P1 sealing material R rainwater S adhesive material Y end member Y1 insertion material 1 surface material 2 back surface material 3 core material 4 male connector 5 female Mold connecting portion 6 decorative surface 7 engaging groove 8 engaging piece 9 fitting groove 10 fitting piece 11 fixing surface 11a fixing surface back surface 12 back surface material extension 12a notch 13 fixing piece 14a locking piece 15 decorative piece 16 engagement Part 16a engagement piece

Claims (1)

A long end member having a U-shaped insertion space between a flat fixed piece and a decorative piece, a vertical decorative face, a male connecting portion at the lower end, and a female connecting portion at the upper end In the structure of the end portion of the exterior material using a laterally long elongate exterior material filled with a core material between the surface material and the back surface material, the exterior material has a lower end of the decorative surface at the male connecting portion. An engagement groove that is recessed upward in a U-shape and an engagement piece formed by the engagement groove, and a fitting groove in which the upper end of the decorative surface is recessed downward in a U-shape in the female connecting portion The mating piece and the fixing surface are formed, and the back surface material is integrated with the core material, and the back surface material on the fixing surface at both ends in the longitudinal direction is fixed while being stretched from the fixing surface back surface to the engaging piece. The end of the exterior material is characterized in that the exterior material cut out by the width is connected to the upper and lower sides, and both end portions of the exterior material are inserted into the U-shaped insertion space of the end member. Water structure.

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