JP4469667B2 - Exterior wall material - Google Patents

Description

  The present invention relates to an outer wall material having an unprecedented appearance and having workability, a waterproof function, a heat insulating function, and the like.

  In general, many outer wall materials obtained by processing a metal plate material by roll molding, press molding or the like have been put on the market, and the shape thereof is a so-called drop structure. (For example, refer to Patent Documents 1 to 5).

Japanese Patent Laid-Open No. 11-172848 Japanese Patent Laid-Open No. 11-172892 JP-A-11-210149 JP 2002-220908 A JP 2002-235423 A

  Although Patent Documents 1 to 5 have a drop-in structure, the fitting structure is simple and there are weak points in engagement force, wind pressure strength, airtightness, and the like.

For the present invention to solve such a drawback, in the outer wall material forming the male and female coupling structure structure darken the side edges in the width direction, the male coupling portion, substantially perpendicular planar decorative surface, the decorative A stepped decorative surface with the lower end of the surface bent to the indoor side, an upper surface protruding above the stepped surface and the decorative surface, a deepest piece with the top end protruding indoors , and a tip of the deepest piece A substantially U-shaped engagement groove is formed from the insertion piece projecting underwater, the upper surface, the innermost piece, and the insertion piece, and an insertion gap is formed by the upper surface and the engagement groove. A convex part protruding to the indoor side is formed at the water-side tip, and the female connecting part protrudes further from the upper end portion of the decorative face at the other end to the water side, and a fixed piece that hangs the tip to the water side, a first waterproof piece by bending a lower end of the fixing piece outdoor side, an upper surface which projects the tip of the first waterproof strip on the water side, a substantially U and a top surface and a fixed piece A fitting groove that fits into the insertion piece formed on the fitting piece, a fitting piece whose upper end is bent to the lower side, a second waterproof piece that protrudes the lower end of the fitting piece to the lower side, The present invention provides an outer wall material formed from a protrusion formed at the tip of the second waterproof piece and a concave groove in which the second waterproof piece is recessed inwardly.

According to the outer wall material according to the present invention, (1) waterproofness can be maintained even when the fitting piece formed with the first waterproof piece and the second waterproof piece drops the outer wall material. (2) When the upper outer wall material is applied to the lower outer wall material, the second waterproof piece of the lower outer wall material contacts the upper surface of the upper outer wall material, and the second waterproof piece always springs in the engagement groove. It exhibits a back effect and improves waterproofness and airtightness. (3) The formation of the second waterproof piece cancels the opposing forces in the connecting portion between the outer wall materials, so that the outer wall is not broken unless the outer wall material is destroyed or the fixture formed on the fixed piece falls off the base. The material is not peeled off by the wind. (4) Since the convex portion and the protrusion are fitted by construction, the connecting force, waterproofness, airtightness, etc. are improved. (5) By forming a concave groove recessed inwardly, the convex part can be accommodated in the concave groove in the middle of engagement, so there is no need to form a wide opening for the engagement groove and male connection The fitting part shape of the part and the female connecting part can be formed thin. There are features and effects.

  The outer wall material according to the present invention will be described in detail below with reference to the drawings. 1 and 2 are explanatory views showing a typical example of an outer wall material A made of a metal outer wall material B, a backing material C, and a sheet D. FIG. 3-6 is explanatory drawing which shows the construction state of the outer wall material A. As shown in FIG. In the figure, α indicates a base, and β indicates a fixture such as a nail.

  The base α indicates a wooden base composed of a casing 1, a trunk edge 2, and a waterproof sheet 3 as shown in FIGS. That is, it is a base α having a general structure in which a trunk edge 2 is laid on the casing 1 and a waterproof sheet 3 is disposed on the trunk edge 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 wall is peeled off as the base α, or when the existing wall is repaired as the base α as it is, the existing wall structure in which the existing wall (not shown) is formed on the base α is the base α. It will be. Of course, the base α on which the waterproof sheet 3 is not formed may be used.

  The metal outer wall material B is formed by roll molding, press molding, extrusion molding, 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. . Of course, instead of the metal outer wall material B, the surface material of the outer wall material A may be formed of a ceramic material, a synthetic resin material (plastic), or the like.

More specifically, the metal outer wall material B has a long plate shape, and as shown in FIG. 1, a substantially vertical flat decorative surface 4, a back surface 5, and a step formed by bending the lower end of the decorative surface 4 to the indoor side. A decorative surface 6, a stepped decorative surface 6 and an upper surface 7 projecting to the water side along the decorative surface 4, an innermost piece 8 projecting the tip of the upper surface 7 to the indoor side , and the distal end of the innermost piece 8 underwater A substantially U-shaped engagement groove 10 is formed from the insertion piece 9 protruding to the side, the upper surface 7, the innermost piece 8, and the insertion piece 9, and an insertion gap 11 is formed by the upper surface 7 and the engagement groove 10. Then, the lower end of the decorative surface 4 is bent downward to form a convex portion 4a to form a male connecting portion 12.

Further, as shown in FIG. 1, the water-side end portion of the decorative surface 4 includes a fixed piece 15 that protrudes further from the upper end portion of the decorative surface 4 to the water-side and the tip hangs down to the water-side. The said insertion formed in the cross-sectional substantially U-shape from the 1st waterproofing piece 13 which bent the lower end to the outdoor side , the upper surface 14 which protruded the front-end | tip of the 1st waterproofing piece 13 to the water upper side, and the upper surface 14 and the fixing piece 15 A fitting groove 16 fitted to the piece 9, a fitting piece 17 in which the tip of the upper surface 14 is bent under water, a second waterproof piece 18 protruding the tip of the fitting piece 17 under water, A female connecting portion 21 is formed from a projection 19 formed at the tip of the second waterproof piece 18 and a concave groove 20 in which the second waterproof piece 18 is recessed.

  The stepped decorative surface 6 is connected to the second waterproof piece 18 as shown in FIGS. That is, the stepped decorative surface 6 collides with the tip end portion of the second waterproof piece 18 during fitting, and the second waterproof piece 18 is deformed by its own springback by the collision force and is firmly connected.

  The first waterproof piece 13 is a part that functions as a part of the fitting piece 17 while adding a waterproof function by bending upward.

  The second waterproof piece 18 prevents rain and wind blowing on the outer wall material A from directly blowing onto the upper surface 7 of the outer wall material A, and prevents the outer wall material A from being peeled off by the wind. That is, as shown in FIG. 6, when the wind blows as shown by the arrow, the second waterproof piece 18 of the lower outer wall material A rotates around the tip of the waterproof piece 13 as shown by the one-dot chain line arrow A. However, the upper surface 14 is pressed against the insertion piece 9 of the upper outer wall material A as shown by the alternate long and short dash line a, and the engagement force is strengthened. Is to prevent peeling.

  In this way, since the opposing forces are offset within the connecting portion between the outer wall materials A, the outer wall material A is not broken unless the outer wall material A is broken or the fixture β formed on the fixing piece 15 falls off the base α. Is not peeled off by the wind.

  The second waterproof piece 18 has a U-shaped groove formed by projecting the tip of the waterproof piece 13 to the underwater side, and wind and rain that is about to enter the groove is rotated in the opposite direction and discharged. And formed to improve waterproofness.

  As shown in FIG. 5, the protrusion 4 a fits the protrusion 19 of the female connecting portion 21, improves the connecting force, and improves waterproofness, airtightness, and the like.

  For this purpose, the width from the innermost piece 8 to the convex portion 4a is W, the width from the tip of the insertion piece 9 to the convex portion 4a is H, the length of the fitting piece 17 is H1, and the tip of the fitting piece 17 is If the length from the projection 19 to the tip of the protrusion 19 is W1, the relationship is W> W1, H> H1, and W≈W1.

The backing material C is a synthetic resin foam such as polyurethane foam, polyisocyanurate foam, phenol foam, vinyl chloride foam, polyethylene foam, polystyrene foam, urea foam, or a composite board in which these synthetic resin foams are sandwiched with sheet materials, Or made of gypsum board, cement board, calcium carbonate board, calcium silicate board, ceramic board, wood chip cement board, magnesium carbonate board, sizing board, sieving insulation board, plywood, etc., or a composite board of these. It is.

Sheet D is a metal material or asbestos paper, craft 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 types, or a sheet that has been subjected to waterproof treatment or flame retardant treatment.

  The above description is only one example of the outer wall material according to the present invention, and the outer wall material A may be formed as shown in FIGS. 7 (a) to (d) to FIGS. 16 (a) and 16 (b). it can.

  Since the outer wall material according to the present invention can be used as a roof material, the range of use is wide. Also, if used as a roofing material, it also functions as a snow stop.

It is explanatory drawing which shows a typical example of the outer wall material which concerns on this invention. It is explanatory drawing which shows a typical example of the outer wall material which concerns on this invention. It is explanatory drawing which shows the construction state of the outer wall material which concerns on this invention. It is explanatory drawing which shows the construction state of the outer wall material which concerns on this invention. It is explanatory drawing which shows the construction state of the outer wall material which concerns on this invention. It is explanatory drawing which shows the construction state of the outer wall material which concerns on this invention. It is explanatory drawing which shows the other example of the outer wall material which concerns on this invention. It is explanatory drawing which shows the other example of the outer wall material which concerns on this invention. It is explanatory drawing which shows the other example of the outer wall material which concerns on this invention. It is explanatory drawing which shows the other example of the outer wall material which concerns on this invention. It is explanatory drawing which shows the other example of the outer wall material which concerns on this invention. It is explanatory drawing which shows the other example of the outer wall material which concerns on this invention. It is explanatory drawing which shows the other example of the outer wall material which concerns on this invention. It is explanatory drawing which shows the other example of the outer wall material which concerns on this invention. It is explanatory drawing which shows the other example of the outer wall material which concerns on this invention. It is explanatory drawing which shows the other example of the outer wall material which concerns on this invention.

Explanation of symbols

α base β fixing fixture γ space A outer wall material B metal outer wall material C backing material 1 frame 2 trunk edge 3 waterproof sheet 4 decorative surface 4a convex portion 5 back surface 6 step decorative surface 7 upper surface 8 innermost piece 9 insertion piece 10 engagement Joint groove 11 Insertion gap 12 Male connecting portion 13 First waterproof piece 14 Upper surface 15 Fixed piece 16 Fitting groove 17 Fitting piece 18 Second waterproof piece 19 Protrusion 20 Concave groove 21 Female connecting portion

Claims (1)

In the outer wall material in which a male-female connecting structure having a drop-down structure is formed on the side edge in the width direction, the male connecting part includes a substantially vertical flat decorative surface and a stepped decorative surface in which the lower end of the decorative surface is bent indoors And an upper surface protruding above the surface along the stepped decorative surface and the decorative surface, an innermost piece projecting the tip of the upper surface indoors , and an insertion projecting the tip of the innermost piece below the water and pieces, to form a substantially U-shaped engaging groove from the top and innermost piece and insertion piece, the top and the engagement groove is formed an insertion gap, in water lower tip of the decorative surface indoor side A protruding part is formed, and the female connecting part protrudes further from the upper end part of the decorative face at the other end to the water side, and a fixing piece with the tip hanging down to the water side, and the lower end of the fixing piece to the outdoor side fitting a first waterproof member bent, the upper surface protruding tip of the first waterproof strip on the water side, and the insertion piece which is formed in a substantially U-shaped cross section and a top face of the fixed piece Forming a fitting groove, a fitting piece whose upper end is bent to the underwater side, a second waterproof piece projecting to the lower side of the fitting piece, and a tip of the second waterproof piece An outer wall material , characterized in that the outer wall material is formed from a projection formed and a concave groove in which the second waterproof piece is recessed inwardly.

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