JP4576251B2 - 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 forms a vertical decorative surface, a side surface obtained by bending the upper end portion of the decorative surface toward the indoor side, a step between the upper end portion and the side surface of the decorative surface, A fixed piece that protrudes upward at the tip, and the tip is suspended from the lower end, a first waterproof piece that is bent at the lower end of the fixed piece to the outdoor side, an upper surface that protrudes the tip of the first waterproof piece toward the upper end, and an upper surface and a fixing piece and fitted is formed in a substantially U-shaped cross section from groove, and a second waterproof member which protrudes the tip of the upper surface to the lower side, the fitting piece and formed from a second waterproof piece upper surface, the 2 a female-type connecting portion formed from a protrusion formed at the tip of the waterproof piece, a concave portion in which the second waterproof piece is recessed, and an upper surface where the lower end tip of the decorative face is folded upward along the decorative face; The innermost piece with the top end protruding to the indoor side, the insertion piece with the tip of the innermost piece protruding to the lower end, the upper surface, the innermost piece and the insertion piece Substantially forming a U-shaped engaging groove, and forming from the male coupling portion forming the insertion gap by top and the engaging groove, the bottom end of the decorative surface covering over the upper end portion of the decorative surface of the outer wall member from Thus, an outer wall material is provided in which a step equal to the thickness of the lower end tip of the decorative surface is formed at the upper end portion of the decorative surface.

  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. Demonstrate the back effect and improve 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 lower end of the upper decorative surface covers the decorative surface of the lower outer wall material, waterproofness, airtightness, and the like are improved. (5) The wall surface can be made vertical by forming the step. 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 vertical 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 .

Further, as shown in FIG. 1, the upper end side end portion of the decorative surface 4 has a side surface 4b obtained by bending the upper end portion of the decorative surface 4 to the indoor side , and a step 4c between the upper end portion of the decorative surface 4 and the side surface 4b. formed, further, projecting the front end of the side surface 4b upward, the tip and the stationary piece 15 which is suspended on the lower end side, a first waterproof member 13 which is bent to the lower end of the fixing piece 15 on the outdoor side, the first waterproof member 13 An upper surface 14 with the tip projecting to the upper end side, a fitting groove 16 that fits into the insertion piece 9 formed in a substantially U-shaped cross section from the upper surface 14 and the fixing surface 15, and the tip of the upper surface 14 to the lower end side The protruding second waterproof piece 17, the fitting piece 18 formed from the upper surface 14 and the second waterproof piece 17, the protrusion 19 formed at the tip of the second waterproof piece 17, and the second waterproof piece 17 recessed in a concave shape A female connecting portion 21 is formed from the recessed portion 20.

  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.

  As shown in FIG. 6, the step 4 c includes a protruding piece 4 a of the upper outer wall material A at the upper end portion of the decorative surface 4 when the outer wall materials A are connected to each other, and a step is formed on the decorative surface 4 between the outer wall materials A. Is not formed.

  4 and 5, when the upper surface 7 is fitted, the upper surface 7 collides with the tip portion of the second waterproof piece 17 and the desired protrusion 19, and the second waterproof piece 17 has its own spring back 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 18 while adding a waterproof function by bending upward.

  The second waterproof piece 17 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 17 of the outer wall material A on the lower stage rotates 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 17 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 17 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 17 is deformed by its own springback by the collision force and is firmly connected. .

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

  Here, the dimensional relationship will be described. As shown in FIGS. 1, 2A and 2B, the length of the upper surface 7 is J, the distance from the tip of the fitting piece 18 to the decorative surface 4 is j, and the fitting is performed. The width of the piece 18 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 projection 19 is T3, the opening width of the engagement groove 10 is W, and the second waterproof piece 17 to the projection 19 Δw, the thickness on the male connecting portion 12 side is H1, the thickness on the female connecting portion 21 side is H2, the thickness of the tip 6 portion is W1, the depth of the step 4c is W2, and the step 4c Where W> T1, W> T2, W> T3, T3-W = 1-3 mm, T3> T1, Δw = T1-T3, Δw = 2-6 mm, J> j, J ≈j + j1, H1 = H2, W1≈W2, W1 <W2.

  Due to this relationship, the outer wall material A can be smoothly connected to each other, and it is possible to form a wall that is highly waterproof and airtight and has a vertical wall surface.

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 Fixture γ Space A Outer wall material B Metal outer wall material C Backing material D Sheet 1 Housing 2 Body edge 3 Waterproof sheet 4 Makeup surface 4a Projection piece 4b Side surface 4c Step difference 5 Back surface 6 Tip 7 Top surface 8 Backmost 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 Second waterproof piece 18 Fitting piece 19 Protrusion 20 Recessed portion 21 Female connecting portion

Claims (1)

A vertical decorative surface, a side surface obtained by bending the upper end portion of the decorative surface toward the indoor side, a step is formed between the upper end portion and the side surface of the decorative surface, and the front end of the side surface protrudes upward, and the front end is directed to the lower end side. Formed in a substantially U-shaped cross section from a hanging fixed piece, a first waterproof piece with the lower end of the fixed piece bent outward, an upper surface protruding the tip of the first waterproof piece to the upper end side, and the upper surface and the fixed piece a groove fitting that, a second waterproof member which protrudes the tip of the upper surface to the lower end, a fitting piece formed from the upper surface and the second waterproof member, a projection formed on the distal end of the second water proof piece, the (2) A female connecting part formed from a concave part in which a waterproof piece is recessed, an upper surface in which the lower end tip of the decorative surface is folded upward along the decorative surface, and the innermost piece protruding the indoor end toward the indoor side And an insertion piece projecting the tip of the innermost piece to the lower end side, an approximately U-shaped engagement groove is formed from the upper surface, the innermost piece and the insertion piece, And forming from the male coupling portion forming the insertion gap by grooves, 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, a lower end tip of the decorative surface to the upper end portion of the decorative surface An outer wall material characterized by forming a step equal to the thickness of the outer wall.

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