JP2010077759A - Exterior finishing material - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an exterior finishing material which forms the external facing of a building and a construction. <P>SOLUTION: In the long-shaped exterior finishing material A formed with male and female connecting structures at the upper and lower ends, a male connecting portion 4 is formed at the lower end which comprises an upper piece 9b made by bending upward the tip of a side wall 7 on the back side, an engaging protrusion 9a projecting to back side between the side wall and the upper piece, an engaging piece 10 made by bending downward the tip of the upper piece 9b, and an engaging groove 11 comprising the upper piece 9b and the engaging piece 10, a female connecting portion 5 is formed at the upper end which comprises a step piece 13 formed in the middle of a joint bottom 12 made by bending upward the tip of a side wall 8, an inclined undersurface 14 made by inclining and bending the tip of the joint bottom to the inside, an engaging piece 15 comprising the joint bottom 12 and the inclined undersurface 14, a fixed face 16 made by bending and projecting upward the tip of the inclined undersurface 14, and an engaging groove 17 comprising the inclined undersurface and the fixed face, and when the exterior finishing materials are connected to each other, the tip of the engaging piece 10 is brought into line contact with the inclined undersurface 14 of the engaging piece 15 and the engaging protrusion 9a and the step piece 13 are engaged with each other. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to an exterior material for forming an exterior of a building or a structure.

  In general, many exterior materials are commercially available in which metal plate materials are processed by roll molding, press molding, or the like to form irregularities on the decorative surface. (For example, see Patent Documents 1 to 3).

JP-A-8-42108 JP 2004-251086 A JP-A-2005-207208

  Patent Documents 1 to 3 are drop-in structures, which are dry wall materials or building panels having irregularities on the decorative surface. Although Cited Document 1 aims to make the external shape of the connecting part the same as the external shape of the surface plate, the dimensions of the fitting part are required to be accurate. It was difficult to make the appearance of the connecting portion look the same as the appearance of the surface plate. Of course, the citations 2 and 3 are the same, and a gap is generated between the connecting portions, the connecting portion and the surface uneven shape are distinguished from each other, and the appearance is such that the unevenness is interrupted in the middle, and there is a sense of incongruity.

  In order to solve such drawbacks, the present invention provides a long exterior material in which a male-female connection structure is formed on the upper and lower ends of a decorative surface. An upper piece bent upward, a fitting protrusion protruding between the side wall and the upper piece to the back side, an engaging piece bent downward at the upper piece, and an upper piece and an engaging piece A male connecting portion is formed from the engaging groove, a side wall bent toward the back side at the upper end of the decorative surface, a joint bottom surface bent upward at the tip of the side wall, and a step piece formed in the middle of the joint bottom surface, Inclined lower surface bent by inclining the tip of the joint bottom surface, a fitting piece composed of the joint bottom surface and the inclined lower surface, a fixed surface protruding by bending the tip of the inclined lower surface upward, and fixed to the inclined lower surface It is formed from a female connection part consisting of a fitting groove consisting of a surface, and the tip of the engagement piece is fitted when the exterior materials are connected together And forming the lower surface of inclined such that line contact, fitting projections and elevating pieces is related exterior material formed to fit.

  According to the exterior material according to the present invention, the tip of the engaging piece is formed so as to be in line contact with the inclined lower surface of the fitting piece, and the fitting protrusion and the step piece are formed so as to be fitted. Since no gap is formed in the connecting portion, and (1) it is not apparent from the appearance that the wall is formed by stretching a plurality of exterior materials having a constant width, the entire exterior surface can be formed as a single surface. A comfortable exterior can be formed. (2) The spring-back when the tip of the engagement piece is formed so as to be in line contact with the inclined lower surface of the fitting piece prevents the fitting portion between the male connecting portion and the female connecting portion from coming off. Improved width accuracy and workability. (3) The waterproofness is improved by preventing the capillary phenomenon due to the gap formed in the fitting portion. There are features and effects.

  Hereinafter, an embodiment of an exterior material according to the present invention will be described in detail with reference to the drawings. That is, the exterior material A is an exterior material A in which a core material 3 made of, for example, a synthetic resin foam is sandwiched between a front surface material 1 and a back surface material 2 as shown in FIGS. . Moreover, FIG. 3 is sectional drawing which shows a construction state.

  As an example of the overall shape of the exterior material A, as shown in FIGS. 1, 2 (a) and 2 (b), a core material 3 is sandwiched between a surface material 1 and a back material 2 made of a long, thin metal plate. And formed with a male connecting portion 4 formed at one end in the width direction and a female connecting portion 5 formed at the other end, and a side wall 7 is formed at the lower end of the decorative surface 6 and a side wall 8 is formed at the upper end. is there. Further, a plurality of convex portions 6 b are formed by forming at least one concave portion 6 a on the decorative surface 6.

  More specifically, the male connecting portion 4 includes a side wall 7 in which the lower end of the decorative surface 6 is bent toward the back surface, an upper piece 9b in which the tip of the side wall 7 is bent upward, and a space between the side wall 7 and the upper piece 9b toward the back side. An upper surface 9 formed of a protruding fitting protrusion 9a, a space 9c formed by the fitting protrusion 9a, the fitting protrusion 9a, and the upper piece 9b, and an engaging piece 10 in which the tip of the upper surface 9 is bent downward; The upper surface 9 and the engagement piece 10 are formed from the engagement groove 11 including the upper surface 9 and the folded piece 11 a connecting the engagement pieces 10.

  The female connecting portion 5 has a side wall 8 with the upper end of the decorative surface 6 bent toward the back surface, a joint bottom surface 12 with the tip of the side wall 8 bent upward, a middle portion of the joint bottom surface 12 bent to form a step piece 13, An inclined lower surface 14 that is bent by inclining the tip of the joint bottom surface 12 inwardly, a fitting piece 15 including a joint bottom surface 12, an inclined lower surface 14, a folded piece 15 a that connects the joint bottom surface 12 and the inclined lower surface 14, and an inclination The fixing surface 16 is formed by bending the tip of the lower surface 14 upward and projecting, and the fitting groove 17 composed of the inclined lower surface 14 and the fixing surface 16. In addition, 18 is a packing formed for waterproofing reinforcement | strengthening.

In FIG. 3, α is a housing, β is a fixture, and γ is a connecting portion.

  The surface material 1 and the back material 2 are thin metal plates such as iron, aluminum, copper, stainless steel, titanium, aluminum / zinc alloy plated steel plate, galvalume steel plate, enamel steel plate, clad steel plate, laminated steel plate (vinyl chloride steel plate, etc.), sandwich steel plate (control) Corrugated steel sheets, etc.), vinyl chloride resin, polycarbonate resin, etc. (including color plates coated with various colors, of course) formed into various shapes by roll molding, press molding, extrusion molding, etc., or inorganic materials Are formed into various arbitrary shapes by extrusion molding, press molding, autoclave nurturing and the like. Also, as the back material 2, aluminum vapor-deposited 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 kinds, or a sheet-like material that has been waterproofed or flame-retardant treated.

  The core material 3 is made of a synthetic resin foam such as polyurethane foam, polyisocyanurate foam, phenol foam, vinyl chloride foam, polyethylene foam, polystyrene foam, urea foam, etc., and particularly when fire resistance is required. Is formed by mixing a stock solution of a resol type phenol, a curing agent, and a foaming agent, discharging the mixture onto the back surface side of the surface material 1 or the back material 2, and heating to react, foam and cure. In addition, the core material 3 includes lightweight aggregates (perlite grains, glass beads, gypsum slag, talc stone, shirasu balloon, aluminum hydroxide, etc.), fibrous materials (glass wool, rock wool, carbon fiber, Graphite and the like) can be mixed to improve fire resistance and fire resistance. Of course, an inorganic material such as rock wool, glass wool or ceramic wool may be used as the core material 3.

  The exterior materials A are connected as shown in FIG. 3 by the engagement piece 10 being connected to the engagement groove 17 and the engagement piece 11 being connected to the engagement groove 11.

  As shown in FIG. 3, the fitting protrusion 9a formed on the male connecting portion 4 and the step piece 13 of the female connecting portion 5 are connected by fitting, and the fitting protrusion 9a and the step piece 13 are in line contact. It is in a state. Further, when the radius of the fitting projection 9a is R (R) and the radius r (R) of the step piece 13 is R <r, the fitting projection 9a and the step piece 13 are in line contact at one point, When R> r, the fitting protrusion 9a and the step piece 13 are in line contact at two points. Of course, when R = r, the fitting projection 9a and the step piece 13 are in surface contact.

Further, the engagement piece 10 of the exterior material A2 is formed so that when the exterior material A is connected to each other, the tip of the engagement piece 10 contacts the inclined lower surface 14 of the exterior material A1 during the construction. For example, if the opening angle of the engaging groove is θ1 and the angle of the fitting piece is θ2, the tip of the engaging piece 10 is in line contact with the inclined lower surface 14 by the relationship of θ1 <θ2.

  More specifically, by having a relationship of θ1 <θ2, the tip of the engagement piece 10 comes into contact with the inclined lower surface 14 of the lower outer packaging material A during the construction, and the upper outer packaging material A dropped further is In order to move so as to be pulled toward the housing α along the inclined lower surface 14, the engagement piece 10 is deformed by the spring back function, and the upper surface of the upper exterior material A is placed on the joint bottom surface 12 of the lower exterior material A. 9 is brought into contact, and the fitting between the fitting protrusion 9a and the step piece 13 is strengthened.

  Further, if the height of the fitting protrusion 9a is h1 and the depth of the step piece 13 is h2, h1> h2, thereby forming a gap 9d in the connecting portion as shown in FIG. 3 to prevent capillary action. In addition, the waterproof property is improved.

  Therefore, the construction sequence of the exterior material A will be described with reference to FIGS. First, as shown in FIG. 4, the fixing surface 16 of the lower packaging material A <b> 1 is driven and fixed by the fixing tool β. Thereafter, as shown in FIGS. 5 and 6, the fitting piece 17 of the upper packaging material A2 is dropped into the fitting groove 17 of the lower packaging material A1, and the connecting portion γ and the decorative surface as shown in FIG. The upper fixing surface 16 is driven to the housing α by the fixing device β in a state in which the sizes of the concave portions 6a of 6 are the same. Construction is completed by performing such a process from the foundation to the eaves.

  More specifically, as shown in FIGS. 4 to 6 and FIG. 3 in an enlarged manner in FIG. 7, the tip of the dropped engagement piece 10 of the upper packaging material A2 is inclined during the construction. The inclined lower surface 14 is contacted. Further, the dropped upper packaging material A2 moves so as to be pulled toward the housing α along the inclined lower surface 14. The engaging piece 10 brings the fitting projection 9a of the exterior material A2 into contact with the joint bottom surface 12 of the exterior material A1 while being deformed by the springback function. By being further dropped in such a state, the fitting protrusion 9a and the step piece 13 are fitted, and the spring back function of the engaging piece 10 is in a state in which it always acts as indicated by the dotted arrow a and the dashed line arrow a. Finally, it is constructed as shown in FIGS. Needless to say, when the exterior material A is constructed in a vertically stretched manner, the exterior material A is constructed by sequentially performing the above steps in the horizontal direction.

  What has been described above is only one embodiment of the exterior material according to the present invention, and the exterior material A may be formed as shown in FIGS. 8 (a) to (f) to FIGS. 13 (a) to (f). I can do it.

  8 (a) to 8 (e) are the exterior material A obtained by deforming the concave portion 6a and the convex portion 6b of the decorative surface 6, and FIGS. 9 (a) to (f) and FIGS. 10 (a) to 10 (f) are engaging pieces. 10A, 11B, 11A, 12B, 12A, 12A, 12A, 12A, 12A, 12A, 12A, 12A, 12A, 12A, 11A, 12A, 12A, 12A, 12A, 12A, to 12F, the engagement piece 10 is substantially vertical. Exterior material A formed at (θ1 = 0 degree), FIGS. 13A to 13F are exterior materials A in which fitting protrusions 9 a are formed in the middle of the upper surface 9.

It is sectional drawing which shows the representative example of the exterior material which concerns on this invention. It is sectional drawing which shows the representative example of the exterior material which concerns on this invention. It is sectional drawing which shows the construction state of the exterior material which concerns on this invention. It is sectional drawing which shows the construction order of the exterior material which concerns on this invention. It is sectional drawing which shows the construction order of the exterior material which concerns on this invention. It is sectional drawing which shows the construction order of the exterior material which concerns on this invention. It is sectional drawing which shows the construction state of the exterior material which concerns on this invention. It is sectional drawing which shows the other Example of the exterior material which concerns on this invention. It is sectional drawing which shows the other Example of the exterior material which concerns on this invention. It is sectional drawing which shows the other Example of the exterior material which concerns on this invention. It is sectional drawing which shows the other Example of the exterior material which concerns on this invention. It is sectional drawing which shows the other Example of the exterior material which concerns on this invention. It is sectional drawing which shows the other Example of the exterior material which concerns on this invention.

Explanation of symbols

α housing β fixing device γ connecting portion A exterior material 1 surface material 2 back surface material 3 core material 4 male connecting portion 5 female connecting portion 6 decorative face 6a concave portion 6b convex portion 7 side wall 8 side wall 9 upper surface 9a fitting protrusion 9b Piece 9c Space 9d Gap 10 Engagement piece 11 Engagement groove 11a Folding piece 12 Joint bottom surface 13 Step piece 14 Inclined lower surface 15 Fitting piece 15a Folding piece 16 Fixed surface 17 Fitting groove 18 Packing 19 Uneven portion

Claims (1)

In a long exterior material in which a male-female connection structure is formed on the upper and lower ends of the decorative surface, a side wall bent to the back side, an upper piece bent upward at the tip of the side wall, and a side wall at the lower end of the decorative surface A male coupling portion is formed from a fitting protrusion that protrudes between the upper pieces toward the back surface, an engagement piece that is bent downward at the tip of the upper piece, and an engagement groove that includes the upper piece and the engagement piece, At the upper end of the decorative surface, the side wall is bent to the back side, the joint bottom is bent upward at the tip of the side wall, the step piece is formed in the middle of the joint bottom, and the tip of the joint bottom is bent inwardly. A female connection comprising an inclined lower surface, a fitting piece comprising a joint bottom surface and an inclined lower surface, a fixed surface protruding by bending the tip of the inclined lower surface upward, and a fitting groove comprising the inclined lower surface and the fixed surface. When the exterior material is connected to each other, the tip of the engaging piece is formed so as to be in line contact with the inclined lower surface of the fitting piece. The exterior member fitting projections and elevating pieces is characterized in that it is formed to fit.

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