JP2006200127A - Exterior wall material - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an exterior wall material presenting a novel appearance, and having construction easiness, the waterproof function, the thermal insulation function and the condensation preventive function. <P>SOLUTION: This exterior wall material A is formed of a vertical decorative surface 4, a first waterproof piece 13 for outwardly projecting the upper end of the decorative surface 4, a fitting piece 18 for projecting a tip part of the first waterproof piece 13 to the upper side, a second waterproof piece 17 for projecting the tip part of the first waterproof piece 13 to the lower side and forming a projection 19 by outwardly projecting the tip, a female type connecting part 21 for forming a fixing piece 15 for further projecting the upper end of the decorative surface 4 to the upper side, an innermost piece 8 for projecting the lower end vicinity of the decorative surface 4 to the inner side, an insertion piece 9 for downwardly projecting the tip of the innermost piece 8, and a male type connecting part 12 for forming an engaging groove 10 of the decorative surface 4, the innermost piece 8 and the insertion piece 9; and is formed so that the lower end of the decorative surface 4 covers an upper end part of the decorative surface 4 of the exterior wall material A being a lower stage; and forms a step 4c in an upper end part of the decorative surface 4. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to an outer wall material having an unprecedented appearance and having workability, a waterproof function, a heat insulating function, a dew condensation preventing 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. 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 a vertical decorative surface, a first waterproof piece projecting outward from the upper end of the decorative surface, and a fitting piece projecting the tip portion of the first waterproof piece upward. And a female mold having a second waterproof piece projecting the tip of the first waterproof piece downward and projecting the tip outward to form a protrusion, and a fixed piece projecting the upper end of the decorative surface further upward The coupling groove, the innermost piece protruding inward near the lower end of the decorative surface, the insertion piece protruding downward from the tip of the innermost piece, and the engagement groove from the decorative surface, the innermost piece, and the insertion piece The outer wall material is formed so as to cover the upper end portion of the decorative surface of the outer wall material, which is the lower step of the outer wall material, and has a step at the upper end portion of the decorative surface. Is to provide.

  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 face of the upper decorative surface covers the decorative face of the lower outer wall material, no concave groove (joint) is formed between the outer wall materials, the design is good, and the waterproof and airtightness is good. , Etc. are improved. (5) Due to the formation of the step, no irregularities are formed between the outer wall materials, and 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 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, and FIGS. 3 to 5 are constructions of the outer wall material A. FIG. 6 is an explanatory view showing the 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 a casing 1, a trunk edge 2, and a 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, 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, 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 inward along the decorative surface 4, the innermost piece 8 projecting the tip of the upper surface 7 inward, and the insertion piece 9 projecting the tip of the innermost piece 8 to the lower end side, A substantially U-shaped engagement groove 10 is formed from 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. 4 is formed as a male connecting portion 12 by forming a protruding piece 4a that further protrudes from the lower end of the lower end.

  Further, as shown in FIG. 1, the upper end side end portion of the decorative surface 4 has a side surface 4 b that is bent inward from the upper end portion of the decorative surface 4, and a step 4 c between the upper end portion of the decorative surface 4 and the side surface 4 b. And a fixed piece 15 that protrudes upward at the tip of the side surface 4b and hangs downward at the lower end, a first waterproof piece 13 that is bent outward at the lower end of the fixed piece 15, and a first waterproof piece 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 projecting 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. 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 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 17 protrudes toward the lower end side from the innermost part of the fitting groove 16, thereby forming 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 due to 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 and 2, 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, the width of the fitting 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 protrusion 19 is T3, the opening width of the engagement groove 10 is W, the height from the second waterproof piece 17 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, the thickness of the tip 6 portion is W1, the depth of the step 4c is W2, and the width of the step 4c is j1, 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, The relationship is W1≈W2 and W1 <W2.

  Due to this relationship, the outer wall materials A can be smoothly connected to each other, and can be formed with a wall having no steps on the wall surface, which is excellent in waterproofness and airtightness.

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, wood chip cement board, magnesium carbonate board, sieving board, sieving insulation board, plywood, etc., or a composite board of these. It is.

Sheet D is a metal material or asbestos 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 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.

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 frame 2 trunk edge 3 waterproof sheet 4 decorative surface 4a protruding piece 4b side surface 4c step 5 back surface 6 tip 7 upper surface 8 innermost 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 first waterproof piece projecting outward from the upper end of the decorative surface, a fitting piece projecting the tip of the first waterproof piece upward, and the tip of the first waterproof piece down A second waterproof piece that protrudes outward and protrudes outwardly to form a protrusion, a female connecting part that forms a fixing piece that protrudes further upward from the upper end of the decorative surface, and the vicinity of the lower end of the decorative surface inside Formed from the innermost piece protruding in the direction, the insertion piece protruding downward from the tip of the innermost piece, and the male connecting part in which the engaging groove is formed from the decorative surface, the innermost piece and the insertion piece In addition, the outer wall material is characterized in that 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 a step is formed at the upper end portion of the decorative surface.

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