JP4335044B2 - Exterior wall material - Google Patents

Description

  The present invention relates to an outer wall material that has an unprecedented appearance and has a workability, a waterproof function, a heat insulation function, a dew condensation prevention 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.

In order to solve such drawbacks, the present invention has a substantially vertical decorative surface, a stepped decorative surface in which the lower end of the decorative surface is bent indoors, and protruded upward along the stepped decorative surface and the decorative surface. The uppermost part, the innermost part with the tip of the upper face protruding indoors, the insertion piece with the tip of the innermost piece protruding to the lower end, and the substantially U-shaped engagement from the upper surface, the innermost part and the insertion piece A male connecting part that forms an insertion groove with an upper surface and an engagement groove and an upper end side end part of the decorative surface project further upward at the upper end portion of the decorative surface, and the tip is suspended downward The difference formed in a substantially U-shaped cross section from the fixed piece, the first waterproof piece having the lower end of the fixed piece bent to the outdoor side, the upper surface protruding the tip of the first waterproof piece upward, and the upper surface and the fixed surface A fitting groove that fits into the fitting piece, a fitting piece whose upper end is bent downward, and a second prevention member that protrudes the tip of the fitting piece downward from the first waterproof piece. In the outer wall material consisting of a piece, a protrusion formed at the tip of the second waterproof piece, and a female connecting part formed with a groove part in which the second waterproof piece is recessed, the lower end portion of the decorative surface is in the longitudinal direction. In contrast, the present invention provides an outer wall material in which a concave portion that is partially bent and protrudes toward the indoor side is formed, and a backing material is formed on the back surface on the indoor side .

  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) By forming the concave portion, it is possible to form a wall with a profound feeling, sharpness and unprecedented appearance. (5) Since the recess and the protruding piece are fitted, the engaging force, waterproofness, airtightness, etc. are improved. 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 (a) to 1 (c), 2 (a), and 2 (b) 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. 2A is an end view of the aa portion of FIG. 2A, FIG. 1B is a cross-sectional view of the aa portion of FIG. 2A, and FIG. 1C is a cross-sectional view of FIG. b section sectional drawing, FIG. 3, FIG. 4 is explanatory drawing which shows the construction state of the outer wall material A. 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 the casing 1, the trunk edge 2, and the 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. As shown in FIGS. 1A to 1C, the decorative surface 4, the back surface 5, and the bottom surface of the decorative surface 4 are substantially vertical. a step the decorative surface 6 which is bent end indoor side, an upper surface 7 which projects upward direction along the decorative surface 4 with the step the decorative surface 6, the innermost piece 8 protruding the tip of the upper surface 7 to the indoor side, the outermost A substantially U-shaped engagement groove 10 is formed from the insertion piece 9 with the tip of the back piece 8 protruding to the lower end side, the upper surface 7, the innermost piece 8 and the insertion piece 9, and the upper surface 7 and the engagement groove 10, an insertion gap 11 is formed, and the decorative surface 4 has a protruding piece 4 a further protruding from the lower end of the decorative surface 4, and FIGS. 1B, 1 C, 2 A and 2 B. As shown in the drawing, the protruding piece 4a on the lower end side of the decorative surface 4 is formed as a male connecting portion 12 by forming a concave portion 4b that is partially bent along the longitudinal direction toward the indoor side .

Further, as shown in FIG. 1 (a) ~ (c) fixed to the upper end portion of the vertical decorative surface 4, which protrudes further upward direction the upper end portion of the decorative surface 4, the tip hangs down direction a piece 15, the lower end of the fixing piece 15 and the first waterproof member 13 bent in an outdoor side, an upper surface 14 that protrudes upward direction the tip of the first waterproof member 13, a substantially U and a top surface 14 fixed surface 15 for downwardly fitting groove 16 to be fitted with the insertion piece 9 formed in shape, the fitting piece 17 which is bent tip of the top surface 14 to bottom side, the leading end of the fitting piece 17 from the first water proof piece 13 A female connecting portion 21 is formed from a second waterproof piece 18 projecting toward the top, a projection 19 formed at the tip of the second waterproof piece 18, and a groove portion 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 FIG. 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. 4, 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 protrudes downward from the tip of the first waterproof piece 13 to form a space γ having a substantially U-shaped cross section, and the wind and rain that enters the space γ is rotated in the opposite direction. It is formed to improve the waterproofness.

  The protruding piece 4a is a part that forms a recess 4b by being partially bent and improves the design. Moreover, the recessed part 4b can be formed by the simple process of bending the protrusion piece 4a (pressing etc.) from the metal outer wall material B processed by general roll forming.

  As shown in FIG. 4B, the recess 4b can be fitted with the projection 19 of the female connecting portion 21 to improve the connecting force, and to improve waterproofness, airtightness, and the like.

  In this case, the width from the innermost piece 8 to the recess 4b is W, the width from the tip of the insertion piece 9 to the recess 4b is W1, the length of the fitting piece 17 is H, and the tip of the fitting piece 17 is When the length to the tip of the protrusion 19 is H1, W> H, W1> H1, and W≈H.

  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 plate in which these synthetic resin foams are sandwiched with a sheet material, Or made of gypsum board, cement board, calcium carbonate board, calcium silicate board, ceramic board, piece of wood cement board, magnesium carbonate board, sieving board, sieving insulation board, plywood, etc., or made of these composite boards It is.

Sheet D is a metal material, or 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, 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 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. 5 (a) to (c) to FIGS. 8 (a) to (d). it can.

  More specifically, FIGS. 5A to 5C to 8A to 8D show the outer wall material A in which the recess 4b is variously deformed.

  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 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 Fixture γ Space A Outer wall material B Metal outer wall material C Backing material D Sheet 1 Housing 2 Trunk edge 3 Waterproof sheet 4 Cosmetic surface 4a Projection piece 4b Recessed surface 5 Back surface 6 Stepped decorative surface 7 Upper surface 8 Deepest piece 9 Difference Insertion piece 10 Engagement 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 Projection 20 Groove portion 21 Female connecting portion

Claims (1)

A substantially vertical decorative surface, a stepped decorative surface with the lower end of the decorative surface bent to the indoor side, an upper surface protruding upward along the stepped decorative surface and the decorative surface, and a top surface with the top end protruding to the indoor side The rear piece, the insertion piece with the tip of the innermost piece protruding to the lower end side, and the upper surface, the innermost piece, and the insertion piece form a substantially U-shaped engagement groove, which is inserted by the upper surface and the engagement groove. At the upper end side end part of the decorative surface that forms a gap, the upper end portion of the decorative surface protrudes further upward, the fixed piece with the tip hanging downward, and the lower end of the fixed piece bent outward A first waterproof piece, an upper surface projecting upward from the tip of the first waterproof piece, a fitting groove fitted to the insertion piece formed in a substantially U-shaped cross section from the upper surface and the fixed surface, A fitting piece whose tip is bent downward; a second waterproof piece in which the tip of the fitting piece projects downward from the first waterproof piece; and a protrusion formed at the tip of the second waterproof piece In the second female coupling part forming a groove waterproof piece is recessed into a concave shape and pinion comprising an outer wall material, a recess in the lower end portion of the decorative surface that protrudes indoor side partially bent relative to the longitudinal direction An outer wall material characterized in that a backing material is formed on the back surface on the indoor side along with the formation.

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