JP4576252B2 - 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 are drop structures, the fitting structure is simple and there are weak points in engagement force, wind pressure strength, airtightness, and the like. Furthermore, it was poor in design and was inferior to ceramic industry outer wall materials.

In order to solve such drawbacks, the present invention provides an inclined decorative surface, a side surface in which the upper end portion of the decorative surface is bent indoors, a fixed piece that protrudes upward at the front end of the side surface and hangs down at the front end. When 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 upper end side, fitted to form from an upper surface and a fixed piece substantially U-shaped cross section if A groove, a second waterproof piece projecting from the top end to the lower end, a fitting piece formed from the top surface and the second waterproof piece, a protrusion formed at the tip of the second waterproof piece, and a second waterproof piece A female-type connecting part having a recessed part recessed in a concave shape, an upper surface in which the lower end tip of the decorative surface is folded back along the decorative surface, an innermost part protruding from the upper end of the upper surface to the indoor side, and an innermost end of the innermost piece A substantially U-shaped engagement groove is formed from the insertion piece protruding to the lower end side, the upper surface, the innermost piece, and the insertion piece, and is inserted by the upper surface and the engagement groove. And forming from the male coupling portion forming the gap, the lower end of the decorative surface is formed so as to cover the upper part of the decorative surface of the outer wall member to be lower, female coupling portion the thickness of the male coupling portion The outer wall material formed thicker by the thickness of the lower end of the decorative surface than the thickness of the outer wall is provided.

  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 protrusion at the tip of 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 is always engaged. In order to exert a springback effect in the groove, it 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 decorative surface is inclined, the design is good. 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, 2 (a) and 2 (b) are explanatory diagrams showing a typical example of an outer wall material A composed of a metal outer wall material B, a backing material C and a sheet D, and FIGS. 3 to 5 are constructions of the outer wall material A. FIG. 6 is an explanatory diagram showing a construction state of the outer wall material A. FIG. In the figure, α indicates a base, β indicates a fixture such as a nail, and γ indicates a space.

  The base α indicates a wooden base composed of the casing 1, the trunk edge 2, and the waterproof sheet 3 as shown in FIG. 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, the base α is 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, the inclined decorative surface 4, the back surface 5 of the decorative surface 4, the tip 6 at the lower end of the decorative surface 4, and the tip 6 and the upper surface 7 projecting upward along the decorative surface 4, the innermost piece 8 projecting the tip of the upper surface 7 to the indoor side, the insertion piece 9 projecting the tip of the innermost piece 8 to the lower end side, a substantially U-shaped engaging groove 10 from the upper surface 7 and innermost piece 8 and the insertion piece 9 Metropolitan formed, the insertion gap 11 formed by the top surface 7 and the engaging groove 10, of the lower end tip of粧面4 The portion is a male connecting portion 12 as a protruding piece 4a .

Moreover, as shown in FIG. 1, the upper end side end portion of the decorative surface 4 has a side surface 4b in which the upper end portion of the decorative surface 4 is bent indoors, and the front end of the side surface 4b protrudes upward, and the front end is on the lower end side. a fixing piece 15 which is suspended from the lower end of the fixing piece 15 and the first waterproof member 13 bent in an outdoor side, an upper surface 14 which projects the tip of the first waterproof member 13 on the upper side, and the upper surface 14 fixed surface 15 for From the fitting groove 16 fitted to the insertion piece 9 formed in a substantially U-shaped cross section, the second waterproof piece 18 projecting the tip of the upper surface 14 toward the lower end side, the upper surface 14 and the second waterproof piece 18 A female connecting portion 21 is formed from the formed fitting piece 17, a protrusion 19 formed at the tip of the second waterproof piece 18, and a recess 20 in which the second waterproof piece 18 is recessed.

  The protruding piece 4a is formed so as to cover the side surface 4b of the upper end portion of the decorative surface 4 as shown in FIG. 6, eliminates the groove-shaped joint formed by the outer wall material A connection, is rich in design, and is waterproof. It improves airtightness.

  4 and 5, when the upper surface 7 is fitted, the upper surface 7 collides with the tip portion of the second waterproof piece 18 and the desired projection 19, and the second waterproof piece 18 has its own springback due to the collision force. It is deformed by the above and firmly connected.

  The insertion piece 9 is formed to fit the fitting groove 16 to connect the outer wall material A.

  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, even if the wind enters the space γ, the second waterproof piece 18 of the lower outer wall material A is rotated about the tip of the waterproof piece 13 by the wind. However, the upper surface 14 presses against the insertion piece 9 of the upper outer wall material A to strengthen the engaging force and prevent the outer wall material A from being peeled off by the wind. .

The second waterproof piece 18 protrudes to the lower end side from the innermost part of the fitting groove 16 to form a space γ that is a U-shaped groove, and the space γ and the second waterproof piece 18 are inside. It is intended to block rain, wind, warm air, and cold air from entering.

  As shown in FIGS. 4 and 5, the protrusion 19 collides with the upper surface 7 when fitted, and the second waterproof piece 18 is deformed by its own springback due to the collision force and is firmly connected. .

  The recess 20 is formed in order to prevent capillary action and enhance waterproofness.

  1 and 2, the length of the upper surface 7 is J, the distance from the tip of the fitting piece 17 to the decorative surface 4 is j, the width of the fitting piece 17 is T1, The height from the upper surface 14 to the decorative surface 4 is T2, the height from the upper surface 14 to the protrusion 19 is T3, the opening width of the engagement groove 10 is W, the height from the second waterproof piece 18 to the protrusion 19 is Δw, If the thickness on the male connecting portion 12 side is H1, the thickness on the female connecting portion 21 side is H2, and the thickness of the tip 6 portion is W1, W> T1, W> T2, W> T3, T3- W = 1-3 mm, T3> T1, Δw = T1-T3, Δw = 2-6 mm, J> j, H1> H2, H1-H2≈W1.

  Further, since the relationship of H1> H2 and H1−H2≈W1, the decorative surface 4 of the outer wall material A is inclined as shown in FIG. 6 by the step angle θ corresponding to the thickness of the tip 6 portion.

  Due to this relationship, the outer wall material A can be smoothly connected, and a wall having good waterproofness and airtightness can be formed.

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 can be formed as shown in FIGS. 7 (a) and 7 (b).

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 order of the outer wall material which concerns on this invention. It is explanatory drawing which shows the construction order of the outer wall material which concerns on this invention. It is explanatory drawing which shows the construction order 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.

Explanation of symbols

α base β fixing 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 decorative surface 4a projecting piece 4b side surface 5 back surface 6 tip 7 upper surface 8 innermost piece 9 insertion piece DESCRIPTION OF SYMBOLS 10 Engagement groove 11 Insertion gap 12 Male type | mold connection part 13 1st waterproofing piece 14 Upper surface 15 Fixed piece 16 Fitting groove 17 Fitting piece 18 2nd waterproofing piece 19 Protrusion 20 Recessed part 21 Female type connection part

Claims (1)

An inclined decorative surface, a side surface where the upper end portion of the decorative surface is bent toward the indoor side, a fixed piece projecting upward at the front end of the side surface, and the front end depending on the lower end side, and a lower end of the fixed piece bent outward a first waterproof member, a top surface which projects the tip of the first waterproof strip on the upper end side, a groove fitting formed from the upper surface and the fixed piece in a substantially U-shaped cross section, projecting the front end of the upper surface to the lower end A female connection comprising a second waterproof piece, a fitting piece formed from the upper surface and the second waterproof piece, a protrusion formed at the tip of the second waterproof piece, and a recess in which the second waterproof piece is recessed. A top surface of the lower end of the decorative surface folded upward along the decorative surface, an innermost piece projecting the upper end of the upper surface to the indoor side, and an insertion piece projecting the distal end of the innermost piece to the lower end side , the shape from the top and from the innermost piece and insertion piece form a substantially U-shaped engagement groove, the male coupling portion forming the insertion gap by top and engagement groove In addition, the lower end of the decorative surface is formed so as to cover the upper end portion of the decorative surface of the outer wall material which is the lower stage, and the thickness of the male connecting portion is smaller than the thickness of the female connecting portion. An outer wall material characterized in that it is formed thicker than it is.

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