JP2008101408A - Connection structure of heat insulation roof material - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a connection structure of a heat insulation roof material which is improved in working capability, heat insulation capability, dew proofing capability, etc. <P>SOLUTION: There is provided a structure which is constructed by mounting the heat insulation roof material A formed of a metallic roof material B and a heat insulation material C, on a roof substrate α. The metallic roof material B is obtained by: forming male and female joint structures at upper and lower edges thereof; forming a lower joint portion 14 along one of lateral edges thereof, by folding one of the edges inward to form a turnup piece 15, and projecting projections 18 from a faced surface 4 on the outside of the tip of the turnup piece 15, in a manner being inclined toward a downstream side of the center of the faced surface 4; and forming an upper joint portion 19 along the other lateral edge in a manner projecting an end thereof outward by a length longer than that of the lower joint portion 14. The heat insulation material C is arranged on a rear surface 5 of the metallic roof material B over an area other than the upper joint portion 19 of the metallic roof material B. In the connection structure of the heat insulation roof material A, the upper and lower edges of the heat insulation roof material A are connected together by a male and female joint structure, and the right and left edges of the same are connected together such that the upper joint portion 19 of the heat insulation roof material A to be mounted is superposed on the lower joint portion 14 of the fixed heat insulation roof material A. Further right and left edges of the heat insulation materials C are connected together by abutting on each other. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a connection structure for a heat insulating roof material having improved construction functions, waterproof functions, heat insulating functions, dew condensation preventing functions, and the like.

  In general, a large number of heat-insulating roof materials obtained by processing metal plate materials by roll molding, press molding or the like are on the market. (For example, refer to Patent Documents 1 and 2).

Japanese Utility Model Publication No. 55-117522 JP-A-9-195451

  Patent documents 1 and 2 are metal roofing materials which form a vertical joint by forming a heat insulating material on the back surface and overlapping left and right end portions. However, Patent Documents 1 and 2 have a structure in which the left and right end portions are overlapped to connect the lateral direction, but the waterproofness is inferior, and there is a risk of water leakage in the unlikely event. Moreover, although patent document 1 strengthened waterproofness by the protrusion part and patent document 2 by the drainage groove, while distortion generate | occur | produced by shaping | molding, shaping | molding was complicated.

  In order to solve such drawbacks, the present invention forms a male-female connection structure at the upper and lower ends, and at one end edge in the left-right direction, the end is folded back inward to form a folded piece, from the tip of the folded piece. The lower connecting part is formed on the outer decorative face with a convex part that protrudes in the middle of the decorative face under the water, and the end of the other end is longer outward than the lower connecting part. The upper and lower ends of the heat insulating roof material in the structure in which the metal roofing material having the upper connecting portion formed thereon and the heat insulating roof material having the heat insulating material formed on the back surface other than the upper connecting portion of the metal roofing material are constructed on the roof base. The parts are connected by a male-female connection structure, and the left and right end portions of the heat insulating roof material are superposed on the lower connection portions of the fixed heat insulating roof material, and the upper connecting portions of the heat insulating roof material to be constructed are superposed on the left and right ends of the heat insulating material. The portion provides a connecting structure for insulating roof materials that are in contact with each other.

  As described above, according to the connection structure of the heat insulating roof material according to the present invention, (1) the heat insulating material is formed and the heat insulating material is not cut off on the back surface of the vertical joint portion, so that it is cool in summer and warm in winter. (Insulation function). (2) Since the heat insulating material is formed and the heat insulating material is not interrupted on the back surface of the vertical joint portion, the cost of cooling and heating can be reduced. (Cost reduction function). (3) Since the heat insulating material is formed and the heat insulating material is not interrupted on the back surface of the vertical joint portion, rain noise can be reduced. (Soundproof function). (4) Workability is improved because joints are not required. (Construction function). (5) Since the convex part which inclines and protruded to the underwater side of the decorative surface center was formed, waterproofness is strengthened. (Waterproof function). (6) Since the vertical joint portion has a plug-type connection structure, the insulating material deficient portion between the roof materials does not occur, and the heat insulating performance can be maintained. (Insulation function). There are features and effects.

  Below, the connection structure of the heat insulating roof material which concerns on this invention is demonstrated in detail using drawing. 1 (a) to 1 (c) and FIGS. 2 (a) to 2 (c) are explanatory views showing the construction sequence of the connecting structure of heat insulating roof materials according to the present invention, and FIG. 3 is an explanatory view showing the construction state. 4A to 4C are explanatory views showing a typical example of the heat insulating roof material A made of the metal roof material B, the heat insulating material C, and the back surface material D, and FIGS. 8 to 11 are explanatory views showing the left and right ends of the heat insulating roof material A, and in FIGS. 12 (a) to 12 (c), (a) is the aa portion of FIG. FIG. 9B is an end view of the bb portion of FIG. 8, and FIG. 9C is an end view of the cc portion of FIG. 9. 13A to 13C, FIG. 13A is a sectional view taken along the line dd in FIG. 11, FIG. 13B is a sectional view taken along the line ee in FIG. 11, and FIG. FIG. In the figure, α is a roof base, β is a fixture such as a nail, γ is a vertical joint, γ1 is a horizontal joint, K is a house, M is a window, and Y is a roof.

  The roof base α indicates a wooden base composed of a rafter 1, a field plate 2, and a waterproof sheet 3 as shown in FIG. That is, it is the roof base α having a general structure in which the base plate 2 is laid on the rafter 1 and the waterproof sheet 3 (asphalt felt) is disposed on the base plate 2. In addition, 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) A steel base using, etc. may be used. Of course, when refurbishing the existing roof as it is, existing roofs such as metal sided roofs, metal roof tiled roofs, new tiles (colonial), tiled roofs, etc. (not shown) The existing roof structure formed with is the roof base α. Of course, a roof base α that does not form the waterproof sheet 3 may be used.

  The metal roof material B is formed by roll forming, press forming, extrusion forming, 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. .

  More specifically, the metal roofing material B has a long plate shape. As shown in FIGS. 4A to 4C, the decorative surface 4, the back surface 5, and the decorative surface 4 below the surface of the decorative surface 4. A stepped decorative surface 6 whose side end portion is hung downward and an insertion edge 7 are formed by bending in a substantially U shape so as to open on the water side, and the decorative surface 4, the stepped decorative surface 6 and the insertion edge 7 are formed. From this, a substantially U-shaped hook groove 8 is formed to form a male connecting portion 9.

  Further, as shown in FIGS. 4A to 4C, the above-mentioned plug formed by opening the tip of the decorative surface 4 to the water-side end and forming a substantially U-shaped cross section at the water-side end portion of the decorative surface 4. A fitting groove 10 fitted to the edge 7, a fitting edge 11 serving as an upper edge of the fitting groove 10, and a fixing surface 12 are formed to form a female connecting portion 13.

  Further, as shown in FIGS. 8 and 12B, the lower end portion 14a of the one end edge of the metal roof material B protrudes inwardly, the folded piece 15, the recessed portion 16 formed in the folded piece 15, and the recessed portion 16 A lower connecting portion 14 formed from a waterproof gap 17 formed by the above and a projecting portion 18 inclined and projecting toward the center of the decorative surface 4 on the decorative surface 4 outward from the tip of the folded piece 15; As shown in FIG. 12 (c), a protruding piece 20 that protrudes outward from the upper end portion 19a of the other end edge of the metal roof material B, and a cutout 20 that is obtained by cutting the female connecting portion 13 portion of the protruding portion. A gap prevention piece 22 in which the tip of the protruding piece 20 is folded inward, a notch 23 on the back surface portion of the protruding piece 20, a drain hole 24 in which the vicinity of the upper end portion 19a of the insertion edge 7 is cut, It is formed by a drain hole 25, a positioning piece 26 and a gap prevention piece 22. It is obtained by forming the connecting portion 19 on which is formed from the water gap 27..

  As shown in FIGS. 6, 7, and 12 (a) to 12 (c), the lower connecting portion 14 is a portion that exhibits a waterproof function when the upper connecting portion 19 is connected.

  The folded piece 15 is formed by folding the lower end portion 14a, thereby abutting against the back surface 5 of the protruding piece 20 to enhance the waterproof property, and forming the recessed portion 16 in the middle, thereby forming the waterproof gap 17 in the connecting portion. It forms and further improves waterproofness.

  As shown in FIG. 8, a plurality of convex portions 18 are inclined to the lower side of the center of the decorative surface 4 and formed at a constant pitch, so that rainwater, wind, and the like to enter the interior are indicated by dotted arrows in FIG. As shown in the figure, while being discharged to the outside, the synergistic effect of the folded piece 15, the recessed portion 16, the waterproof gap 17, the gap prevention piece 22, and the waterproof gap 27 further improves waterproofness and airtightness.

In the figure, the formation angle r is r = 30 °. Further, as shown in FIG. 8, the formation position of the convex portion 18 is the width from the lower end portion 14a to the convex portion 18 formation position, and the width from the upper end portion 19a to the tip of the protruding piece 20 as shown in FIG. When W is the width of the notch 23, the relationship is W> w. In addition, in the relationship between the convex parts 18 as shown in FIG. 8, if the vertical overlap t is provided between the convex parts 18, waterproofness will improve further. Note that T ≧ 0, where T is the overlap in the vertical direction of the protrusion 18.

  By forming a plurality of the convex portions 18 by inclining in this way, molding can be performed while minimizing molding distortion at the end portion. Moreover, since there is no distortion, the dimensional accuracy of the metal roofing material B is improved, and the workability and waterproofness are improved by improving the dimensional accuracy.

  As shown in FIGS. 6, 7, and 12 (a) to 12 (c), the upper connecting portion 19 is a portion that exhibits a waterproof function when connected to the lower connecting portion 14.

  As shown in FIG. 12A, the protruding piece 20 is a portion that is formed on the lower connecting portion 14 through the notch 21 and forms a waterproof vertical joint γ. A plurality of waterproof gaps 27 are formed by the piece 22 to improve waterproofness and airtightness.

  The notch 21 is a space where the fitting edge 11 and the fixing piece 12 are notched so that the female connecting portion 13 does not get in the way when the metal roof materials B are connected to each other. Of course, the heat insulating material C and the back surface material D do not exist in the notch 21.

  The air gap prevention piece 22 prevents the air gap from being formed in the vertical joint γ between the protruding piece 20 and the decorative surface 4, improves waterproofness, and improves the design and prevents the ends from fluttering. To form.

  The cutout 23 is a space cut out so that the heat insulating material C and the back surface material D do not get in the way when the heat insulating roof materials A are connected in the horizontal direction.

  When the drainage hole 24 is connected as shown in FIG. 5 to FIG. 7, the rainwater that has entered from the vertical joint γ portion does not enter the interior from the insertion edge 7 portion, so It is a part which drains to the makeup | decoration face 4.

  When the second drain hole 25 is connected as shown in FIGS. 5 to 7, when rainwater entering from the vertical joint γ portion enters the drain hole 24, the lower insulating roof 25 It is a part drained to the decorative surface 4 on the material A. Further, the second drain hole 25 is formed, and the positioning piece 26 is a part for specifying the formation position of the notch 23. Of course, the positioning piece 26 can be used as a cutting position of the heat insulating material C and the back material D for separating the plurality of continuous heat insulating roof materials A formed with the heat insulating material C and the back material D at the time of manufacturing the heat insulating roof material A. It is a functional part.

  The heat insulating material C functions as a waterproof material, a heat insulating material, a reinforcing material, a raising material, a soundproof material, a sound absorbing material, a buffer material, a fireproof material, a dew condensation prevention material, etc., and mainly uses a synthetic resin foam. Is. The material is made of synthetic resin foam such as styrene foam, polyurethane foam, polyisocyanurate foam, phenol foam, vinyl chloride foam, polyethylene foam, polystyrene foam, urea foam, etc. And a curing agent and a foaming agent are mixed, discharged onto the back surface side of the front surface material or the back surface material, and heated to react, foam and cure.

In addition, in the heat insulating material C, lightweight aggregates (perlite grains, glass beads, gypsum slag, talc stone, shirasu balloon, aluminum hydroxide, etc.), fibrous materials (glass wool, rock wool, carbon fiber, Graphite etc. can be mixed to improve fire resistance and fire resistance.

  Back material D is 1 such as kraft paper, aluminum evaporated 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.

  Then, the construction method of the connection structure of the heat insulation roof material which concerns on this invention is demonstrated. Therefore, it is assumed that the heat insulating roof material A as shown in FIGS. 4 (a) and 4 (c) is constructed as shown in FIGS. 1 (a) to (c) to FIG. 3 and FIG.

  First, as shown in FIG. 5, the upper heat insulating roof material A is constructed on the lower heat insulating roof material A as shown in FIG. 1 (a), on the lower connecting portion 14 of the left heat insulating roof material A1 in FIG. 2 (a). As shown in FIGS. 1B and 2B, the upper connecting portion 19 of the right heat insulating roof material A2 is overlapped.

  After that, as shown by the arrows in FIGS. 1B and 2B, the right insulating roofing material A is pushed in and installed, and the fixing piece 12 of the insulating roofing material A2 is nailed as shown in FIG. It fixes to the roof base | substrate (alpha) with fixing tools (beta) etc., and it constructs as shown in FIG.2 (c). By sequentially performing this process in the right direction and the upward direction, the construction is completed as shown in FIG. Of course, it is also possible to insert the right heat insulating roof material A2 so as to push it in an oblique direction.

Of course, in the drawing, the lower connecting portion 14 is formed at the right end portion and the upper connecting portion 19 is formed at the left end portion, but the left and right portions may be formed in reverse.

It is explanatory drawing which shows the construction order of the connection structure of the heat insulation roof material which concerns on this invention. It is explanatory drawing which shows the construction order of the connection structure of the heat insulation roof material which concerns on this invention. It is explanatory drawing which shows the construction state of the connection structure of the heat insulation roof material which concerns on this invention. It is explanatory drawing which shows a typical example of the heat insulation roof material used for the connection structure of the heat insulation roof material which concerns on this invention. It is explanatory drawing which shows the construction state of the heat insulation roof material used for the connection structure of the heat insulation roof material which concerns on this invention. It is explanatory drawing which shows the construction state of the heat insulation roof material used for the connection structure of the heat insulation roof material which concerns on this invention. It is explanatory drawing which shows the construction state of the heat insulation roof material used for the connection structure of the heat insulation roof material which concerns on this invention. It is explanatory drawing which shows the heat insulation roof material used for the connection structure of the heat insulation roof material which concerns on this invention. It is explanatory drawing which shows the heat insulation roof material used for the connection structure of the heat insulation roof material which concerns on this invention. It is explanatory drawing which shows the heat insulation roof material used for the connection structure of the heat insulation roof material which concerns on this invention. It is explanatory drawing which shows the heat insulation roof material used for the connection structure of the heat insulation roof material which concerns on this invention. It is explanatory drawing which shows the construction state of the connection structure of the heat insulation roof material which concerns on this invention, and the edge part of heat insulation roof material. It is explanatory drawing which shows the heat insulation roof material used for the connection structure of the heat insulation roof material which concerns on this invention.

Explanation of symbols

α Roof base β Fixture γ Longitudinal joint γ1 Horizontal joint A Insulated roof material A1 Insulated roof material A2 Insulated roof material B Metal roof material C Insulation material D Back material K House M Window Y Roof 1 Rafter 2 Field plate 3 Waterproof sheet 4 Decorative surface 5 Back surface 6 Stepped surface 7 Insert edge 8 Hook groove 9 Male connecting portion 10 Fitting groove 11 Fitting edge 12 Fixed piece 13 Female connecting portion 14 Lower connecting portion 14a Lower end portion 15 Folded piece 16 Recessed portion 17 Waterproof Air gap 18 Protruding portion 19 Upper connecting portion 19a Upper end portion 20 Protruding piece 21 Notch 22 Space preventing piece 23 Notch 24 Drain hole 25 Second drain hole 26 Positioning piece 27 Waterproof gap

Claims (1)

A male-female connection structure is formed at the upper and lower ends, and one end edge in the left-right direction is folded back inward to form a folded piece, and on the decorative surface outward from the tip of the folded piece, A lower connecting portion that forms a convex portion that protrudes by inclining to the lower side of the water, and a metal roofing material that protrudes outward from the other end edge to the outside longer than the lower connecting portion, and forms an upper connecting portion, In the structure in which a heat insulating roof material in which a heat insulating material is formed on the back surface other than the upper connecting portion of the metal roof material is constructed on the roof base, the upper and lower ends of the heat insulating roof material are connected by a male-female connecting structure, and the heat insulating roof material The left and right end portions of the heat insulation roof material to be fixed are overlapped with the upper connection portion of the heat insulation roof material to be constructed, and the left and right end portions of the heat insulation material are in contact with each other and connected. Connecting structure of insulating roofing materials.

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