JP2016169484A - Eaves edge structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an eaves edge structure having improved drainage, waterproofing, construction and other functions.SOLUTION: In an eaves edge structure that serves as a starting edge of a horizontally laid roofing material, the following elements are formed at an eaves edge of a roofing substrate α: an engaging part comprising a horizontal planar fixing piece, a rising piece protruding upward from a tip on an eaves side of the fixing piece, and an engaging piece formed by folding back a tip of the rising piece toward the eaves side; and a long eaves edge arabesque design part F formed by a protruded piece F6 protruding toward the eaves side from a root of the rising piece, an inclined piece protruding downward with an inclination from a tip of the protruded piece F6, and a throating piece formed by bending a tip of the inclined piece toward the eaves side, to form an angle from a vertical line of up to 90 degrees.SELECTED DRAWING: Figure 1

Description

The present invention relates to an eaves-end structure with improved drainage function, waterproof function, construction function, and the like.

In general, a large number of eaves arabesques made by processing metal plate materials by roll forming, press forming or the like are on the market. (For example, see Patent Documents 1 to 3).

JP-A-8-226202 JP-A-10-110509 JP 2007-309074 A

In Patent Documents 1 to 3, a new tile roof such as a slate roof is refurbished, a bag-like fitting groove is formed in order to start the eaves tip of the slate roof, and a metal roof is formed on the upper part. A locking portion was formed in order to start tensioning the material, and the metal roofing material was started to be tensioned via the locking portion. However, since the bag-like fitting groove is formed on the indoor side with respect to the vertical direction or the vertical direction, the drainage of rainwater becomes worse. Moreover, in patent document 3, since the rain water drainage position turns into the front-end | tip part of an arabesque, there existed a danger that it would flow over the rain gutter from the existing gutter depending on the flow speed of rain water.

In order to solve such drawbacks, the present invention provides a horizontal flat fixed piece, a rising piece projecting upward at the eave-side tip of the fixed piece, A locking part composed of a locking piece whose tip is folded back to the eaves side, a protruding piece that protrudes the base of the rising piece to the eaves side, an inclined piece that protrudes by tilting the tip of the protruding piece downward, and an inclined piece The eaves structure which formed the eaves arabesque formed in the elongate shape from the draining piece which bent the front-end | tip of the building to the ridge side and made the angle with a perpendicular line 90 degrees or less is provided.

As described above, according to the eaves structure according to the present invention, (1) drainage of rainwater flowing on the roof material is improved, and rainwater flows smoothly into the rain gutter. (2) Since the protruding piece is formed at the front end of the locking part, the rainwater that has flowed down from the roofing material at the eaves part flows down to the protruding piece at the eaves part, so that the difference in level between the rain gutter and the rainwater flow point is reduced. It flows down into the existing rain gutter. (3) Since rainwater flows down the surface of the inclined piece, rainwater does not scatter and flows down into the gutter surely. There are features and effects.

It is sectional drawing which shows a typical example of the eaves-end structure which concerns on this invention. It is sectional drawing which shows a typical example of the eaves arabesque used for the eaves structure which concerns on this invention. It is sectional drawing which shows a typical example of the eaves part of the eaves structure which concerns on this invention. It is sectional drawing which shows a typical example of the roof material constructed | assembled to the eaves-end structure which concerns on this invention. It is explanatory drawing which shows the construction state of the roof material constructed | assembled to the eaves structure which concerns on this invention. It is explanatory drawing which shows the other Example of the eaves arabesque used for the eaves structure which concerns on this invention. It is explanatory drawing which shows the other Example of the eaves arabesque used for the eaves structure which concerns on this invention.

Hereinafter, the eaves structure according to the present invention will be described in detail with reference to the drawings. FIG. 1 is an explanatory view showing the flow of eaves arabesque and rainwater according to the present invention. FIG. 2 is a sectional view showing a typical example of eaves arabesque according to the present invention. FIG. 3 is a sectional view showing a typical example of the construction state of the eaves portion of the eaves structure according to the present invention.

4 (a) and 4 (b) are cross-sectional views showing a typical example of a roofing material A composed of a metal roofing material B, a heat insulating material C, and a back material D to be constructed in the eaves structure according to the present invention, and FIG. It is sectional drawing which shows the construction state of the material A. FIG.

As shown in FIG. 2, the eaves arabesque F includes a horizontal flat fixed piece F1, a tongue piece F2 obtained by folding back the ridge side end of the fixed piece F1, and a rising piece F4 protruding upward from the eave side end of the fixed piece F1. , A locking portion F3 composed of a locking piece F5 with the tip of the rising piece F4 folded back to the eaves side, a protruding piece F6 protruding from the base of the rising piece F4 to the eaves side, and a tip of the protruding piece F6 inclined downward The sloping piece F7 that protrudes and the tip of the sloping piece F7 bent to the ridge side, and the angle at which the extension line contacts the extension line of the fixed piece F1, that is, the draining piece F8 with θ3 <90 degrees are long. Is formed.

The eaves arabesque F 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.

The fixing piece F1 is a part for fixing the eaves arabesque F to the roof base α as shown in FIG.

The tongue piece F2 functions as a waterproof wall when rainwater R or the like enters, and is formed to prevent the rainwater R from entering the roof base α.

As shown in FIG. 3, the locking portion F <b> 3 locks the insertion edge 7 of the roof material A, and functions as a first stage start portion of the roof material A.

The inclined piece F7 is inclined at an angle θ with respect to the vertical plane, and has a relationship larger than the inclination angle θ1 of the roof material A shown in FIG. 3, that is, θ> θ1. With this relationship, the inclined piece F7 is formed at an angle of θ2 as shown in FIG. That is, the angle relationship is θ−θ1 = θ2.

Further, the draining piece F8 is formed by bending the tip of the inclined piece F7 toward the ridge and making an angle θ2 <90 degrees with the vertical line. By forming in this way, the rainwater R transmitted through the inclined piece F7 falls at the lower end of the draining piece F8, and the drainage is good.

Further, as shown in FIG. 2, by forming a width W from the front end of the locking portion F3 to the front end of the protruding piece F6, the rainwater R indicated by the arrow that has flowed when formed as shown in FIG. Does not flow directly from the tip of the roofing material A to the rain gutter R1, but flows through the protruding piece F6 and the inclined piece F7, so that the rain water R will surely flow into the rain gutter R1 without jumping of the rain water R. It is.

In the case of rainfall with a rainfall of about 3 mm to 20 mm, if the width from the tip of the locking portion F3 to the tip of the inclined piece F7 is W and the height of the locking portion F3 is H, W> H. By making the relationship, the above-mentioned operational effect is further ensured.

As shown in FIG. 5, the roof base α indicates a wooden base roof base composed of a rafter 1, a field plate 2, and a waterproof sheet 3.

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, and as shown in FIGS. 4A and 4B, the decorative surface 4 having a substantially horizontal plane, the back surface 5, and the undersurface of the decorative surface 4. A stepped decorative surface 6 with the side ends hanging down indoors, and an insertion edge 7 formed by bending in a substantially U shape so as to open to the water side, and the decorative surface 4 and the stepped decorative surface 6 and the insertion edge 7, a substantially U-shaped hook groove 8 is formed to form a male connecting portion 9.

Further, as shown in FIGS. 4 (a) and 4 (b), the above-mentioned insertion formed at the water-side end portion of the decorative surface 4 is formed in a substantially U-shaped cross section by opening the tip of the decorative surface 4 to the water side. 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.

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.

What has been described above is only one embodiment of the eaves structure according to the present invention, and the eaves arabesque A formed as shown in FIGS. 6 (a) to (c) and FIGS. 7a) to (c) is used. I can do it.

That is, FIGS. 6A to 6C are formed in a round shape between the protruding piece F6 and the inclined piece F7 so that the flow of the rainwater R is smooth, and the height of the locking portion F3, It is eaves arabesque F which changed formation position.

7 (a) to 7 (c), the protrusion piece F6 and the inclined piece F7 are formed in a round shape so that the flow of the rainwater R is smooth, and the tip of the drain piece F8 is directed downward. It is the eaves arabesque F which hung down and formed the cover piece F9.

α Roof base β Fixture A Roof material B Metal roof material C Heat insulation material D Back material F Eaves arabesque F1 Fixed piece F2 Tongue piece F3 Locking part F4 Standing piece F5 Locking piece F6 Protruding piece F7 Inclined piece F8 Draining piece F9 Cover piece R Rainwater R1 Rain gutter S Existing new tile roof S1 Existing arabesque 1 Rafter 2 Field plate 2a Waterproof sheet 3 Waterproof sheet 4 Dressing surface 5 Back surface 6 Stepped surface 7 Insert edge 8 Hook groove 9 Male coupling part 10 Mating Groove 11 Fitting edge 12 Fixing piece 13 Female connecting part

Claims (1)

In the eaves-end structure at the beginning of the tension of the horizontal roofing material, a horizontal flat fixed piece, a rising piece protruding upward from the eave side tip of the fixed piece, and a locking piece where the tip of the rising piece is folded back to the eave side A locking portion comprising: a protruding piece protruding from the eave side at the base of the rising piece; an inclined piece protruding by tilting the tip of the protruding piece downward; and bending the tip of the inclined piece to the ridge side; An eaves-end structure characterized in that eaves arabesque formed in a long shape from a draining piece whose angle with respect to a vertical line is 90 degrees or less is formed on the eaves of a roof base.

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