JP3562634B2 - Drainage structure of thatched roof - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
TECHNICAL FIELD The present invention relates to a drainage structure of a horizontal roof that is integrated into a roof.
[0002]
[Prior art]
In a general house, rainwater flowing down the roof surface is collected by a horizontal gutter provided at the eaves and drained from a vertical gutter. The cross gutter is generally semicircular in cross section and is formed of a synthetic resin, and is attached to a gutter supporting metal fitting having substantially the same cross sectional shape, and the metal fitting is fixed to a rafter on the eaves or a blindfold.
[0003]
[Problems to be solved by the invention]
In such a conventional drainage structure of a general house, the design uniformity of the roof and the gutter is not seen, and the design of the roof may be impaired. In addition, due to the presence of gutters, the degree of freedom in roof design at the eaves was restricted.
In addition, there are other inconveniences such as the need for a scaffold for maintenance of the gutter and the roof, and the necessity of a base for attaching the gutter support bracket.
[0004]
Then, this invention was made in order to solve each said subject, and without using the gutter of the conventional general house, it aims at providing the drainage structure which enables drainage of the rainwater which flows down on a roof. And
[0005]
[Means for Solving the Problems]
In order to solve the above-mentioned problem, in a horizontal-roofed roof in which an exterior material is laid in a substantially step shape on a base material, an opening is provided in at least one step of the exterior material, and the opening is provided between a back surface of the exterior material and the base material. A drainage structure for a side-roofed roof characterized by providing a drainage space communicating with the section (the invention of claim 1).
[0006]
In the roof drainage structure according to the present invention, an opening is provided in at least one step of the exterior roofing material, which is made of an exterior material laid in a substantially stair-like manner, to achieve harmony with the design property of the roofing roof. be able to. Rainwater flowing from the opening flows laterally from the drainage space inside the roof and is drained.
Therefore, since the drainage structure of the roof replaces the conventional gutter, and the gutter becomes unnecessary, the degree of freedom in the design of the eaves is increased.
[0007]
In the above invention, the drainage space is formed by a drainage member and a fixing member, and an exterior material on the drainage space is attached by the fixing member (the invention of claim 2).
The drainage member reliably prevents water from leaking to the ground side, and the fixing member securely fixes the exterior material provided with the opening.
[0008]
In the above invention, the opening is formed along the longitudinal direction of the exterior material (the invention of claim 3).
Therefore, the rainwater flowing down on the roof can be guided to the drainage space from the opening.
[0009]
In the above invention, the opening portion is provided with a water-permeable covering material (the invention of claim 4).
It is possible to prevent dust and the like from flowing into the drainage space.
[0010]
BEST MODE FOR CARRYING OUT THE INVENTION
A first embodiment according to the above invention will be described with reference to FIGS.
FIG. 1 is a perspective view of a roof on which a roof drainage structure according to a first embodiment is constructed, FIG. 2 is a sectional view of a main part of the same structure, and FIG. 3 is a perspective view of a drainage member constituting the same structure.
In each of these drawings and each of the drawings described later, the same components are denoted by the same reference numerals, and redundant description will be omitted.
[0011]
As shown in FIG. 1, the drainage structure of the roof according to the first embodiment is a two-stage exterior material from an eaves-side end of a horizontal roof that has a roof system 1 as an exterior material. And a drainage space 3 is formed below the opening 2.
Rainwater flowing down the roof of the side roof flows from the opening 2 into the drainage space 3 communicating with the opening 2, and through drainage means (for example, a gutter 7 in FIG. 8C) described later. , Drained.
[0012]
The opening 2, the horizontal葺by Tsu longitudinal der shingle 1, is formed in a width substantially equal to the digit bound width of the roof, receiving rainwater flowing from the water side.
The width W of the opening 2 in the flow direction is formed such that rainwater does not jump over and flows down into the drainage space 3.
The opening 2 may be provided with a water-permeable covering material.
This covering material may cover the opening 2, for example, may be formed integrally with the decorative member 31. For example, as shown in FIG. It may be covered with a mesh 20 or the like.
In this embodiment, the opening 2 is provided at the second stage from the eaves side end, but may be provided at any stage on the roof surface, and is not limited to one stage.
[0013]
The drainage space 3 utilizes a space that would be formed when the roof panel 1 was roofed on the step where the opening 2 was provided. As shown in FIGS. And a fixing member 32 for fixing the drainage member 30.
[0014]
As shown in FIG. 3, the drainage member 30 includes a receiving part 300 that receives rainwater flowing from the opening 2 and a gutter part 301 that collects rainwater from the receiving part 300. And the gutter part 301 is placed on the base 4 with the eaves side facing the eaves.
[0015]
The drainage member 30 is formed of a material having water impermeability, and is mainly made of a hard resin, a soft resin, or a synthetic resin in which both are combined.
When it is made of a soft material, a core material may be partially provided. In particular, by disposing a core material on the upper surface portion 302 of the gutter portion 301, the strength can be increased.
Further, as described later, the upper surface portion 302 may be formed as a separate member and integrated by heat welding.
In this embodiment, it is formed in a long shape from rubber, a PVC sheet, or the like.
In the case where such a soft member is used, waterproofness can be ensured at the time of attachment to the fixing member 32, and it is possible to flexibly cope with each delivery.
[0016]
The receiving portion 300 is formed wider than the width W in the flow direction of the opening 2 in order to prevent water from leaking to the base 4, and as shown in FIG. It is fixed to the base 4.
[0017]
The gutter section 301 is formed to have a substantially U-shaped cross section with the ridge side opened, and a fold 303 is formed at the ridge side end of the upper surface section 302.
The volume of the gutter 301 is designed to avoid overflow based on the amount of rain flowing from the opening 2 and the amount of drainage from the downfall 304 (see FIG. 3).
The drainage member 30 configured as described above inserts the ridge side end of the decorative member 31 into the fold 303 and wraps the fold 303 with the end pressing member 6 that is a through member, while holding the fold 303 together with the decorative member. The member 31 is fixed to the fixing member 32 via screws or the like.
According to such a mounting structure, it is possible to prevent rainwater from entering between the drainage member 30 and the decorative member 31 at the ridge side end, so that it is possible to cope with rainwater overflow.
[0018]
As shown in FIG. 3, a drop 304 is provided in the gutter 301 to drain rainwater temporarily stored, and the drop 304 passes through the opening 40 provided in the base 4. And is connected to drainage means such as downspout.
The openings 304 may be provided at both ends of the opening 2, but may be provided at necessary locations in consideration of drainage at the gutter 301.
[0019]
The decorative member 31 constitutes a roof as an exterior material, is formed so as to define the opening width W, and covers the gutter portion 301 of the drainage member 30. Note that the width of the decorative member 31 in the girder direction may be formed to be substantially the same as that of the roofing shingle 1.
The decorative member 31 may be formed of the same material as the material of the roofing shingle 1 described later, or may be formed of a different material.
If the same material is used, the design of the roof can be unified.
An eave-side forming part 310 similar to the eave-side forming part 10 of the horizontal roofing shingle 1 is provided at the eave-side end of the decorative member 31, and is attached to the base 4 via the arabesque member, the holding member 5, and the like. ing.
The method of forming the decorative member 31 is the same as the method of forming the roofing shingle 1, but the ridge side of the roofing shingle 1 may be cut by a substantially opening width W.
[0020]
The fixing member 32 fixes the decorative member 31 and the drainage member 30 by using a screw or the like as described above, and forms a substantially U-shaped portion 320 on the ridge side, and the ridge side end has an upper level horizontal roof. By fixing to the plate 1, the receiving portion 300 is held down. Further, a support piece 321 that extends from the eave side and supports the upper surface portion 302 of the drainage member 30 and the face plate portion 31a of the decorative member 31 from below is formed.
As shown in FIG. 1, the fixing members 32 are arranged and fixed at predetermined intervals in the carry direction.
Even if the ridge side of the fixing member 32 extends on the upper surface of the upper horizontal roofing shingle 1 as shown in FIG. It may be interposed between the members 5 or may be formed integrally with the holding member 5 on the ridge side.
In addition, as shown in FIG. 8C described below, the fixing member 32 and the snow stopper may also be used.
[0021]
The roofing shingle 1 is formed with an eave-side molding part 10 on the eave side and attached to the base 4 via the holding member 5, while a ridge-side molding part 11 is formed on the ridge side, and the holding member 5 is attached to the base 4.
The roofing shingle 1 is made of a known metal material such as a surface decorative steel plate, a laminated steel plate, a plated steel plate, a stainless steel plate, an aluminum alloy plate, a copper plate, a brass plate, a lead plate, a carbon fiber laminate plate, a hard resin plate, or the like. Molded.
When the material is a metal plate, it is formed by roll forming or press forming, or a combination of both, and when the material is nonmetal, it is formed into a fixed length or a long length mainly by die forming. The thickness of these materials is not particularly limited, but is generally about 0.4 to 1.6 mm.
[0022]
The base 4 refers to all building frames, such as wooden structures, steel frames, concrete structures, etc., and includes boards such as wood wool cement boards to be laid on the frame as required.
Therefore, with the exception of the case where the boards interposed between the roofing shingle 1 etc. and the skeleton have the fixing strength of the fastener, in principle, a fixing tool for fixing the roofing shingle 1 etc. (Screws) are fixed to auxiliary members such as a purlin and rafters that constitute the skeleton.
Reference numeral 12 denotes a synthetic resin backup material, but may be a known material such as a wool cement board. Also, a waterproof material such as asphalt roofing or asphalt felt may be laid between the foundation 4 and the roofing shingle 1 or the like.
[0023]
According to the drainage structure, the degree of freedom of the design of the eaves can be increased, and for example, a substantially triangular eaves 13 as shown in FIG. 1 can be obtained. In addition, it may be a semi-circular shape or a semi-elliptical shape, or the eaves side surface may be decorated with a decorative member.
Moreover, according to the said structure, maintenance of the drainage space 3 from a roof is attained.
[0024]
Next, the roof drainage structure according to the second embodiment will be described with reference to FIGS.
The drainage structure according to the second embodiment uses a drainage member 30A in which the folded back 303 is omitted, instead of the drainage member 30 of the first embodiment.
A decorative member 31A provided with a folded piece 311 at the ridge side end wraps the ridge side end of the support member 33 and the drainage member 30A with a substantially flat support member 33 interposed above the drain member 30A. It has a drainage structure to handle overflows.
[0025]
The support member 33 supports the decorative member 31A from the back surface, and holds the drainage member 30A between the decorative member 31A and the fixing member 32 to obtain strength against positive pressure. The eaves-side end is arranged on the holding member 5 while being aligned with the upper surface 302 of the member 30A.
The other configuration is the same as that of the first embodiment, and thus achieves the same operation and effect.
[0026]
Next, a roof drainage structure according to a third embodiment will be described with reference to FIGS.
The drainage structure according to the third embodiment uses a drainage member 30B provided with a rising portion 305 instead of the drainage member 30 of the first embodiment.
Corresponding to the structure of the drainage member 30B, a decorative member 31B having a similar rising portion 312 at the ridge side end is provided, and these rising portions 305, 312 are fixed to the fixing member 32 using an end pressing member 6B. ing.
The rising portions 305 and 312 can prevent rainwater flowing over the opening 2 to flow down and guide the rainwater to the opening 2.
The other configuration is the same as that of the first embodiment, and thus achieves the same operation and effect.
[0027]
Next, a roof drainage structure according to a fourth embodiment will be described with reference to FIG.
The drainage structure according to the fourth embodiment is different from the drainage member 30 of the first embodiment in that the folded portion 303 is omitted, while the drainage member provided with a ridge-side rising portion 306 at the ridgeside end of the receiving unit 300. Use 30C.
Corresponding to the configuration of the drainage member 30C, a folded piece 311 is provided at the ridge side end of the decorative member 31C, and the ridge side piece of the drainage member 30C is held by the folded piece 311. The ceiling is sealed, and the drainage structure is designed to cope with overflow.
In addition, unlike the drainage structure of the first embodiment, the decorative member 31C is provided with an eave-side molding portion 310 that engages with the arabesque member 5C at the eave-side end, and a supporting member is provided between the decorative member 31C and the drainage member 30C. The drainage space 3 is formed by using a fixing member 32C in which the width of the substantially U-shaped portion 320 is increased and the support piece 321 is omitted, and the drainage space 3 is disposed at the eave side end of the horizontal roof. .
[0028]
The height of the ridge-side standing portion 306 may be determined based on the water level at which overflow occurs.
The other configuration is the same as that of the first embodiment, and thus achieves the same operation and effect.
[0029]
Next, a roof drainage structure according to a fifth embodiment will be described with reference to FIG.
In the fifth embodiment, based on the drainage member 30C according to the fourth embodiment, a drainage member 30D having an increased width dimension of the upper surface portion 302 is used to increase the capacity of the gutter portion 301.
On the other hand, as shown in FIG. 7, the width W of the opening 2 is reduced by the increase in the volume of the gutter portion 301, and the drainage member 30D is provided to prevent rainwater from crossing the opening 2. A rising portion 305 is provided at the ridge side end of the upper surface portion 302 of FIG. Further, a decorative member 31D having a rising portion 312 at the ridge side end is provided, and the rising portion 312 holds the rising portion 305 of the drainage member 30D.
Other configurations are the same as those of the fourth embodiment, so that the same operation and effect can be obtained.
[0030]
Next, a drainage structure for a roof according to a sixth embodiment will be described with reference to FIGS.
In the drainage structure according to the sixth embodiment, instead of the drainage member 30 of the first embodiment, the folded back portion 303 is further extended to the eaves side to provide an extension portion 307, and the ridge side end of the receiving portion 300 is provided. A drainage member 30E provided with a ridge-side standing upper portion 306 is used.
The distal end of the extending portion 307 is arranged so as to be located at the eaves-side end of the holding member 5. Therefore, even if rainwater overflows between the decorative member 31E and the drainage member 30E, the rainwater is discharged to the eaves side along the extension 307.
In addition, since the fixing member 32E having a substantially U-shaped portion having an increased width and the holding member 5E holding the ridge-side rising portion 306 are used, the operation is the same as that of the first embodiment, and thus the same operation and effect are obtained. To play.
[0031]
When the amount of water flowing down the roof is large, the drainage space 3 having the above configuration may be provided at the eaves side end and the third step of the roof, as shown in FIG. In the figure, what is indicated by reference numeral "7" is a gutter as drainage means.
[0032]
Next, a roof drainage structure according to a seventh embodiment will be described with reference to FIGS.
This seventh embodiment uses a drainage member 30F in which the volume of the gutter portion 301 is reduced based on the drainage structure according to the sixth embodiment, and as shown in FIG. Since the width of 302 has been reduced, a fixing piece 321 is provided on the fixing member 32E.
In addition, except that the ridge-side rising portion 306 is omitted and the holding member 5 is used, the same operation and effect as those of the sixth embodiment are obtained.
[0033]
Next, a roof drainage structure according to an eighth embodiment will be described with reference to FIG.
The main differences between the structure according to the eighth embodiment and the structure according to the first embodiment are that, first, the overflow countermeasures are thoroughly implemented, and second, the drainage volume is increased.
Regarding the first point, the ridge side end of the receiving part 300 of the drainage member 30G is raised, and an extended standing upper portion 308 is further provided on the ridge side so as to be sandwiched between the upper and lower gutter end members 80 and 81. It is fixed.
Regarding the second point, the height dimension of the gutter portion 301 is increased, and the support member 33G is located below the upper surface portion 302 of the drainage member 30G, so that the height of the gutter portion 301 is increased. That is, the member 5G is set up substantially vertically from the fixing piece 50.
By disposing the support member 33G, the upper surface 302 of the drainage member 30G and the face plate 31a of the decorative member 31G can be supported from below.
In addition, since it is the same as the first embodiment, the same operation and effect can be obtained.
[0034]
Next, a drainage structure for a roof according to a ninth embodiment will be described with reference to FIG.
The ninth embodiment is based on the drainage structure according to the eighth embodiment, and the upper surface portion 302 of the drainage member 30G is made a separate member, and is thermally welded to the remaining drainage member at the eave-side end. It constitutes the drainage member 30H.
The upper surface 302 is formed of, for example, a PVC steel plate, and the welded end 309 of the drainage member 30H is arranged on the holding member 5H.
According to such a structure, the support member 33G of the eighth embodiment becomes unnecessary, and even if rainwater infiltrates between the decorative member 31H and the upper surface 302, it does not turn to the base 4 side, and The water is also drained from the eaves side of 302 to the eaves side forming part 310 of the decorative member 31H and the lower horizontal roofing shingle 1.
The other configuration is substantially the same as that of the eighth embodiment, and thus achieves the same operation and effect.
[0035]
In each of the above embodiments, the drainage structure according to the present invention is incorporated in the horizontal roof, but the present invention is not limited to this, and any roof can be used as long as the roof can be roofed in the girder direction.
[0036]
【The invention's effect】
According to the invention as set forth in claim 1, in a horizontal-roofed roof made of an exterior material laid in a substantially stair-like shape, an opening is provided in at least one step of the exterior material. Can be planned. Rainwater flowing from the opening flows laterally from the drainage space inside the roof and is drained.
According to the second aspect of the present invention, the drainage member reliably prevents water from leaking to the ground, and the fixing member securely fixes the exterior material provided with the opening.
Therefore, according to the first and second aspects of the present invention, it is possible to provide a roof drainage structure that replaces the conventional gutter. Also, since a gutter is not required, the degree of freedom in design of the eaves is increased.
[0037]
According to the invention of claim 3, the rainwater flowing down on the roof can be guided from the opening to the drainage space.
[0038]
According to the invention of claim 4, it is possible to prevent inflow of dust and the like into the drainage space.
[Brief description of the drawings]
FIG. 1 is a perspective view of a roof on which a drainage structure according to a first embodiment is constructed.
FIG. 2 is a sectional view of the drainage structure,
FIG. 3 is a perspective view of a drainage member of the drainage structure.
4A is a side view of a drainage member used in a drainage structure according to a second embodiment, FIG. 4B is a cross-sectional view of the drainage structure,
5A is a side view of a drainage member used in a drainage structure according to a third embodiment, and FIG. 5B is a cross-sectional view of the drainage structure.
FIG. 6 is a sectional view of a drainage structure according to a fourth embodiment,
FIG. 7 is a sectional view of a drainage structure according to a fifth embodiment,
8A is a side view of a drainage member used in the drainage structure according to the sixth embodiment, FIG. 8B is a cross-sectional view of the drainage structure, FIG. 8C is a cross-sectional view of the drainage structure,
FIG. 9 is a sectional view of a drainage structure according to a seventh embodiment;
FIG. 10 is a sectional view of a drainage structure according to an eighth embodiment,
FIG. 11 is a sectional view of a drainage structure according to a ninth embodiment.
[Explanation of symbols]
REFERENCE SIGNS LIST 1 side roofing shingle 10 eave-side molded part 11 ridge-side molded part 12 backup material 13 eaves point 2 opening 20 stainless steel mesh 3 drainage space 30 30A 30B 30C 30D 30E 30F 30G 30H drainage member 300 receiving part 301 gutter part 302 upper surface part 303 Folding 304 Falling exit 305 Rise 306 Building riser 307 Extension 308 Extension riser 309 Welding end 31 31A 31B 31C 31D 31E 31H 31G Makeup member 310 Eaves side molding 311 Fold piece 312 Rise 31a Face plate 32 32C 32E fixing member 33 33G support member 321 support piece 320 substantially U-shaped portion 4 base 40 opening 5 5E 5G 5H holding member 5C arabesque member 50 fixing piece 6 6B end pressing member 7 gutter 80 81 gutter end member

Claims (4)

In the side-roofing roof where the exterior material is laid in a substantially step shape on the lower ground ,
A drainage structure for a cross-roofed roof, wherein an opening is provided in at least one step of the exterior material, and a drainage space communicating with the opening is provided between the back surface of the exterior material and the base . The said drainage space is formed by the drainage member and the fixing member, and the exterior material on the drainage space is attached by the fixing member, The drainage structure of the roof thatched roof of Claim 1 characterized by the above-mentioned. The drainage structure according to claim 1, wherein the opening is formed along a longitudinal direction of the exterior material. The drainage structure according to claim 1, wherein the opening is provided with a covering material through which water can pass.

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