WO2023100940A1 - 建築物における排水構造 - Google Patents

建築物における排水構造 Download PDF

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Publication number
WO2023100940A1
WO2023100940A1 PCT/JP2022/044211 JP2022044211W WO2023100940A1 WO 2023100940 A1 WO2023100940 A1 WO 2023100940A1 JP 2022044211 W JP2022044211 W JP 2022044211W WO 2023100940 A1 WO2023100940 A1 WO 2023100940A1
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WIPO (PCT)
Prior art keywords
gutter
eaves
building
wall
lateral
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2022/044211
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English (en)
French (fr)
Japanese (ja)
Inventor
元旦 舩木
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gantan Beauty Industry Co Ltd
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Gantan Beauty Industry Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gantan Beauty Industry Co Ltd filed Critical Gantan Beauty Industry Co Ltd
Priority to CN202280070436.0A priority Critical patent/CN118574971A/zh
Priority to JP2023565055A priority patent/JPWO2023100940A1/ja
Publication of WO2023100940A1 publication Critical patent/WO2023100940A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
    • E04D13/064—Gutters
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
    • E04D13/064—Gutters
    • E04D13/068—Means for fastening gutter parts together
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
    • E04D13/08—Down pipes; Special clamping means therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/108—Rainwater harvesting

Definitions

  • the present invention relates to a drainage structure in a building that smoothly guides rainfall, etc. on the roof surface, outer wall surface, etc. of a building from lateral gutters such as eaves gutters to downspouts, and that is also excellent in design.
  • Patent Literature 1 describes an eaves edge structure in which a plurality of support members are arranged at predetermined intervals inside an eaves gutter. As a result, the eaves gutters are excellent in design and have a high support strength. Even if stress is suddenly applied from the bottom side, the reinforcing effect of this support material can prevent damage to the eaves gutters. can.
  • Patent Document 2 describes a trough 3 that guides rainwater in the horizontal direction toward the downpipe, an orthogonal portion (elbow 10) connected to the end of the trough 3, and a A matching trough 20 communicating with an extending cylindrical downspout 5 is shown. Therefore, the trough 3 can be easily connected to the matching box 20 via the elbow 10, and the trough 3 can be prevented from coming off after connection.
  • JP 2020-084757 A Japanese Patent No. 6530606
  • Patent Document 1 can form an eaves gutter with high support strength, there is no mention of a downspout that guides rainwater downward.
  • Patent Document 2 only specifies downpipes extending in the vertical direction, and hardly mentions lateral gutters such as eaves gutters.
  • the "nominal gutter” described in Patent Document 2 is nothing more than a simple cylindrical (round pipe) connected from the eaves gutter to the downpipe, and is not visually appealing in terms of design. The longer the length, the more degraded the design.
  • the drainage channel to the downpipe is long, and there is also the problem that it is difficult to deal with clogging such as fallen leaves.
  • the present invention provides a water drainage system for buildings that smoothly guides rainwater, etc. that has flowed down to lateral gutters such as eaves gutters to downpipes, and is also excellent in design. It is intended to provide structure.
  • the present invention has been proposed in view of the above problems.
  • a connecting gutter that guides drainage in a direction that intersects the drainage channel of the horizontal gutter material and a downpipe material that causes rainwater to flow down in the height direction through the connecting gutter are connected, and the vertical
  • the gutter material relates to a drainage structure in a building, characterized in that it is attached along the outer wall.
  • the present invention also proposes a drainage structure in a building, characterized in that, in the drainage structure, the connecting gutter is attached to the bottom surface of the lateral gutter material.
  • the drainage channel of the lateral gutter member is formed between side walls having stepped portions, and a plurality of support members are installed between the stepped portions.
  • the present invention also proposes a drainage structure for a building, characterized in that, in the drainage structure, a wall material, a wall base, or an interior base is arranged inside the downpipe material.
  • the present invention also proposes a drainage structure in a building, characterized in that, in the drainage structure, a cover material covering the open upper part of the lateral gutter material is fixed.
  • the present invention also proposes a drainage structure in a building, characterized in that the connecting gutter is provided in a protruded form from the lateral gutter material toward the back side.
  • the drainage structure in the building of the present invention can smoothly guide the rainwater flowing down by the lateral gutter material such as the eaves gutter to the downpipe.
  • the lateral gutter material such as the eaves gutter
  • it is excellent in design because it is made to flow down from the building side of the connecting trough by the vertical trough material.
  • the downspout material is attached along the outer wall, it is less likely to be damaged by an external force, and the design is particularly excellent when looking up from the lower side of the lateral gutter material and the connecting gutter. That is, by attaching the downpipe material along the outer surface side or the inner surface side of the outer wall, it can be visually inconspicuous, and the supporting strength is improved because it is supported by the outer wall or the like.
  • the eaves formed by extending from the outer wall of the building are excellent in design especially when viewed from the lower side of the lateral gutter member or the connecting gutter.
  • the drainage channel of the lateral gutter member is formed between side walls each having a stepped portion, and a plurality of supporting members (hereinafter referred to as supporting reinforcing members to distinguish from the eaves edge supporting members) are installed between the stepped portions.
  • supporting reinforcing members to distinguish from the eaves edge supporting members
  • a cover material covering the open upper part of the horizontal gutter material is fixed.
  • the inside of the horizontal gutter material can be hidden by the cover material, and the strength of the horizontal gutter material itself can be improved by the cover material.
  • This cover material also serves as a filter that prevents fallen leaves from entering from rainwater and the like, so that it is possible to prevent clogging of the lateral gutter material, the connecting gutter material, and the downpipe material.
  • the connecting gutter when the connecting gutter is provided in a raised shape from the side gutter material to the back side, rainwater can flow down without backflow, and the back side of the connecting gutter is different in color from the back side of the side gutter material. You can also make it stand out more clearly by painting with.
  • FIG. 1 is an exploded perspective view of a drainage structure of Example 1.
  • FIG. (a) A front view showing a state in which the exterior material and the cover material are removed from the drainage structure of Example 1, (b) its perspective view, (c) its side view, (d) slightly to the right of the eaves side It is a perspective view which shows the state which looked up.
  • FIG. 1 is a perspective view of a drainage structure to which an example of the drainage structure of Example 1 is applied, looking up from the back side; FIG. FIG.
  • FIG. 5 is a perspective view of the drainage structure to which another example of the drainage structure of the embodiment 1 is applied, looking up from the back side;
  • (b) A side view showing the connecting portion and its extended portion
  • FIG. (d) is a side view showing the extended portion.
  • FIG. 4 is a side view of a connecting gutter made up of multiple members; (a) to (i) are side views showing variations of the side view (side design) of the connecting part regardless of whether the connecting gutter is integrated or separated.
  • FIG. 1 A side view showing a drainage structure in a building of another example (Example 2), (b) a bottom view of only the outer wall portion thereof. It is the perspective view which looked up at the drainage structure of Example 2 from the lower right side of the back surface side of a horizontal gutter material and a connection gutter.
  • FIG. 1 (a) Perspective view showing the state in which the horizontal gutter material, the connecting gutter, and the downpipe material in Example 2 are connected, (b) The perspective view showing the state before connection, (c) The plan view and front view of the connecting gutter, They are a left side view, a right side view, and (d) a perspective view of a connection gutter.
  • (a) to (e) are cross-sectional views showing variations of the downspout material in another embodiment (Embodiment 3).
  • (a) to (d) are cross-sectional views showing variations of the mounting structure in another embodiment (Embodiment 4) in which the downspout material is mounted on the outer surface side of the outer wall. It is a side view which shows typically the drainage structure of another one Example (Example 5).
  • the drainage structure in the building of the present invention is attached to the building, and is provided with a drainage channel for introducing rainwater from the roof along the eaves.
  • a connecting gutter is provided to guide the water, and the building side of the connecting gutter is connected (connected) to a vertical gutter member extending in the height direction.
  • the one side of the drainage channel refers to the direction in which rainwater can flow, and is not limited to the upper direction.
  • the rainfall on the roof surface or the like it is possible to smoothly guide the rainwater that has flowed down the lateral gutters such as the eaves gutters to the vertical gutters.
  • the downspout material is installed along the outer wall, rainwater can flow down without backflow, and the design is also excellent.
  • the horizontal gutter material, the connecting gutter material, and the vertical gutter material used in the present invention will be described below.
  • the horizontal gutter material used in the present invention is a gutter material such as an eaves gutter or an inner gutter that is installed at the eaves of a building, and along the eaves, there is a drainage channel through which rainwater is introduced from the roof.
  • Other configurations are not particularly specified as long as they are provided.
  • the horizontal gutter material sheet metal processing, press processing, or the like using known metal materials such as surface decorative steel plates, laminated steel plates, plated steel plates, stainless steel plates, aluminum alloy plates, titanium alloy plates, copper plates, brass plates, lead plates, etc. Molding processing using various resins is used as appropriate, and it can be used in general-purpose shapes such as semicircles and squares. A directionally continuous thread is used.
  • this lateral gutter member is arranged substantially horizontally, it is not particularly limited. It may be slanted to flow into the gutter.
  • the edge of the horizontal gutter material is bent and drained or a connection part is provided to connect the gutter. may be connected.
  • the end of the horizontal gutter material or the drain port (drop opening) may be the end of the horizontal gutter material (around the "stop") or the connecting point of the two horizontal gutter materials.
  • the shape of the connection may be linear as in the illustrated embodiments described later, but is not limited thereto, and may be orthogonal or inclined.
  • two horizontal gutter members are connected so as to face each other in a straight line, and the connecting gutter is connected so as to extend toward the building including the connection point.
  • the connecting gutter is connected so as to extend toward the building including the connection point, so the eaves gutter of the building intersects at a right angle. corresponds to it.
  • drain port is not limited in shape or number at all, as long as rainwater is led to the flow channel of the connecting gutter by forming a hole of an appropriate shape in the bottom surface.
  • the drainage channel of this lateral gutter material is formed between the bottom surface and both side walls, but it is also possible to form stepped portions on both side walls.
  • a plurality of supporting reinforcing members may be installed between the stepped portions as in the embodiment shown in the drawings which will be described later. In this case, the erected supporting reinforcing member prevents deformation of the lateral gutter member and provides high supporting strength.
  • the supporting reinforcing member is a member whose base end extends along the side surface of the eaves gutter on the building side and whose other end extends toward the eaves side, and is perpendicular to the upper part of the drain so as not to block the flow of rainwater. are placed. Since the eaves gutter is arranged below the support reinforcement member, the support reinforcement member can prevent the eaves gutter from being damaged when a sudden stress is applied from below the eaves gutter. In other words, this supporting reinforcing member also acts as a reinforcing member for preventing tilting of both sides of the eaves gutter.
  • a cover material may be fixed so as to cover the open upper part of the lateral gutter material, as in the illustrated embodiment described later.
  • the inside of the lateral gutter material can be visually hidden by the cover material, and the strength of the lateral gutter material itself can be improved by the cover material.
  • the cover material is a member that prevents snow from accumulating inside the horizontal gutter material and fallen leaves from entering and accumulating. Alternatively, it may be a combination of a plurality of predetermined lengths. It should be noted that this cover material preferably covers not only the open upper surfaces of the two lateral gutter members, but also the open upper surface of the connecting gutter as in the embodiment shown in the drawings which will be described later. On the surface of this cover material, a water guide opening for guiding rainwater into the inside, for example, a slit hole with a small diameter is formed, and the presence of the water guide opening also serves to prevent the accumulation of snowfall and the intrusion of fallen leaves.
  • the opening of the water conduit As for the size of the opening of the water conduit, if it is too wide, fallen leaves and the like may enter, so the opening is selected to prevent such entry and allow rainwater to flow. Since this cover material also serves as a filter to prevent fallen leaves from entering from rainwater, it is possible to prevent subsequent clogging of the lateral gutter material, the connecting gutter, and the vertical gutter material.
  • this cover material are not limited as long as it does not come off or scatter over time, and may be a metal mesh material (metal mesh material) or the same material as the horizontal gutter material. material or processing may be used. In the latter case, the strength of the lateral gutter material itself can also be improved.
  • the eaves tip substantially U-shaped engagement portion
  • the opposite end is fixed to the exterior foundation, fascia, etc., so that the lateral gutter In order to hold the eaves of the material in tension toward the building, the cover material acts as a load-bearing arm of the lateral gutter material.
  • the connecting gutter used in the present invention may be a single member or a combination of a plurality of members consisting of a connecting part attached to the back surface of the horizontal gutter material and an extension part connected to the vertical gutter material.
  • the extension portion itself may be formed of a plurality of members. Attachment (attachment) to the horizontal gutter member or the support fitting may be performed by engaging, screwing, or the like. At least the connecting portion may be open so that rainwater can flow in, and the extending portion may be open or closed.
  • this connecting gutter is provided with a running water channel (distinguished from the drainage channel of the horizontal gutter material), the other configuration is not particularly specified, and the material and molding method similar to the above-mentioned horizontal gutter material are used.
  • this connecting gutter is arranged at the end of the horizontal gutter material or at the drain port (drop opening), and the bottom surface (flow channel) is inclined so that rainwater etc. can flow to the building side. placed in the water or molded into a beveled shape. That is, this connecting gutter has a structure in which a water channel extends toward the building including the end of the horizontal gutter, and the water flowing channel of the connecting gutter extends in the height direction on the building side. has been contacted.
  • the size and number of connecting gutters to be installed may be appropriately selected based on the expected amount of rain (the amount of rain that flows into the lateral gutter material), the size of the lateral gutter material, and the like. Further, as a result, the connecting gutter may be provided at all of the connecting portions of the lateral gutter material, or the connecting gutter may be arranged at a constant pitch (every other). In order to ensure that rainwater flows down from the lateral gutter material such as eaves gutter to the connecting gutter, the connecting gutter (flow channel) should be positioned lower than the lateral gutter material (drainage channel). Of course, both the drainage channel of the lateral gutter material and the running water channel of the connecting gutter should be installed with a water gradient so as not to cause backflow or accumulation of rainwater.
  • this connecting gutter is arranged at the end of the horizontal gutter material as described above, the water flow path of this connecting gutter is formed longer than the dimension in the width direction of the horizontal gutter material, and the building side extends in the height direction. connected to existing downspouts.
  • a notch, an introduction port, etc. is provided above the downspout material without processing the end of the connecting gutter.
  • a through hole is formed near the end of the connecting gutter on the building side, and the through hole is connected to the upper end of the downspout material, or a cutout space is formed instead of the through hole, and the cutout is formed.
  • the cavity may be in communication with the upper end of the downspout material.
  • the through hole refers to a circular hole, an elliptical hole, or a rectangular hole
  • the downspout material in that case refers to a cylinder, an elliptical cylinder, or a rectangular cylinder.
  • the notch space refers to a rectangular space.
  • the building side of the connecting gutter and the downpipe member may be directly connected or may be connected via a connecting member such as an elbow or a trough.
  • the connecting gutter has a ridge protruding from the lateral gutter member toward the back side, in which case the water flow channel of the connecting gutter is formed at a position lower than the drainage channel of the lateral gutter member. Therefore, it is possible to reliably flow down rainwater without causing it to flow back at the connecting portion with the lateral gutter member. Further, in this case, since the back surface side protrudes downward from the back surface of the lateral gutter member, the design can be improved by, for example, painting the connecting gutter and the lateral gutter member in different colors. As an example of the different colors, there is a method of clarifying the contrast by using opposite colors (complementary colors) on the color wheel.
  • the downpipe material used in the present invention is a hollow cylindrical member provided with a water channel that guides rainwater, etc., guided downward from the drainage channel of the horizontal pipe material to the water channel of the connecting gutter. It may be a U-shaped open type, and other configurations are not specified.
  • the downspout material may be formed using the same material or molding method as the horizontal gutter material or the connecting gutter, or may be formed using a different material or molding method. Unlike the lateral gutter members and the connection gutter which are generally arranged in a substantially horizontal direction, they are arranged in a height direction (mostly in a substantially vertical direction, but not limited thereto).
  • this downpipe member extends below the connecting gutter on the building side, it can be provided along the outer wall of the building.
  • the outer wall plays a role of supporting the downspout material, and if the color of the downspout material is selected according to the color of the outer wall, for example, the landscape is not spoiled and the design is excellent.
  • a square tube material is used as a downpipe material, it can be made more excellent in design.
  • the downpipe material be arranged along the outer wall. In that case, there is a mode in which the downspout material follows the surface side of the outer wall and a mode in which it follows the back side of the outer wall. etc. can be played by the outer wall. In addition, it is desirable to follow the surface of the outer wall in a closely (abutting) manner, but when the eaves are long and large as in Example 1 described later, a configuration in which the eaves are slightly spaced is also included. Similarly, the outer wall can receive the impact or the like received by the downspout material. In the latter mode, the downpipe material can be visually hidden by the outer wall, and the outer wall has a great protective effect against impacts and the like.
  • the drainage structure in the building of the present invention is formed by combining these horizontal gutter material, connecting gutter, and vertical gutter material, and is provided with a connecting gutter that guides drainage in a direction intersecting with the drainage channel of the horizontal gutter material disposed at the eaves.
  • the building side of the connecting gutter is connected to a vertical gutter member extending in the height direction, and the rainfall on the roof surface, outer wall surface, etc. of the building is smoothly drained vertically. It can be led to the gutter and has excellent design. Since the downpipe member is arranged along the outer wall, it is particularly excellent in design when looking up from the lower side of the lateral gutter member and the connecting gutter. That is, by attaching the downpipe material along the outer surface side or the inner surface side of the outer wall, it can be visually inconspicuous, and since it is supported by the outer wall or the like, the support strength is improved.
  • connection gutter 3 that guides drainage in a direction intersecting with the drainage channel 20, and the building side (water conduction hole 310) of the connection gutter 3 is attached to the downpipe material 4 extending in the height direction It is possible to guide the rainfall on the roof surface of the building 1 from the eaves gutters 2, 2 to the connecting gutters 3 and the downpipe member 4, and the design is also excellent.
  • FIG. 1(d) schematically shows a state of looking up from the right side of the eaves side. It shows an outer wall with Although the eaves member 1D and the outer wall 1A are schematically shown to be flat, any known structure may be applied.
  • the eaves gutter 2 used in the first embodiment is an eaves gutter in which a drainage channel 20 is arranged in a substantially horizontal manner, and is formed by bending a metal plate material into a flat plate. Side surfaces 22 and 23 of a shaped bottom surface 21 are formed stepwise, and a drainage channel 20 having an open top is provided. This drainage channel 20 is formed between a bottom surface 21 and both side surfaces 22 and 23, and stepped portions 221 and 231 are formed respectively.
  • a dogleg-shaped engaged portion 222 is formed on the upper end of the side surface 22 on the eaves side, and an upwardly extending portion 232 is formed on the upper end of the side surface 23 on the building side. .
  • the drainage channel 20 is formed in the eaves gutter 2 arranged on the left side in a slightly downward slope from the back side toward the front side, and in the eaves gutter 2 arranged on the right side, the drainage channel 20 is formed in a downward slope from the front side to the back side. It is formed with a slight downward slope towards the side. Therefore, as indicated by the arrows in FIG. 4(a), rainwater flows so as to be collected from the side end side to the center side in the drainage channels 20, 20 of any of the eaves gutters 2, 2.
  • the eaves gutter 2 has a building-side side surface 23 attached to an eaves support member 8A attached to the eaves edge of the exterior foundation 1B.
  • the eaves support member 8A is a substantially V-shaped formed member composed of an inclined surface 81 along the slope of the roof and a vertical surface 82 arranged vertically. A shaped portion 821 and a horizontally bent support surface 822 are formed. Therefore, the upward portion 232 of the side surface 23 of the eaves gutter 2 on the building side is attached so as to be inserted into the groove-shaped portion 821 from below, and the stepped portion 231 is attached so as to be supported by the support surface 822 .
  • a plurality of supporting reinforcing members 6 are attached at predetermined intervals in the length direction of the eaves gutter 2.
  • the support reinforcing member 6 is arranged above the drainage channel 20 of the eaves gutter 2 by being laid over the stepped portions 221 and 231 of the eaves gutter 2 as shown in FIG.
  • the eaves gutter 2 is prevented from being deformed and provided with high support strength by the erected supporting reinforcing member 6 .
  • the supporting reinforcing member 6 has a base end along the side surface 23 of the eaves gutter 2 on the side of the building and the other end extending to the eaves side.
  • the mounting surface portion 62 is formed by bending the lower end of the vertical surface portion 61 at right angles, and the mounting surface portion 62 is mounted on the steps 221 and 231 of the eaves gutter 2,
  • a receiving surface portion 63 is formed by bending the upper end of the eaves edge side of the vertical surface portion 61 , and the receiving surface portion 63 supports the back surface of the cover material 5 covering the open top of the eaves gutter 2 .
  • the upper end of the vertical surface portion 61 on the side of the building is bent to form a bent portion 64, and the end edge 641 of the bent portion 64 on the side of the building is vertically raised to form the structure of the eaves gutter 2. It is along the side surface 23 of the side.
  • This supporting reinforcing member 6 is formed by cutting or bending a metal plate material of a predetermined shape, and furthermore, an L-shaped member 6b is fixed to the upper end thereof with a fixture 6c to form a second receiving surface portion.
  • the end 621 of the mounting surface portion 62 on the building side is raised vertically, and along the side surface 23 of the eaves gutter 2 on the building side, along with the upward portion 232 of the side surface 23, the groove of the eaves support member 8A. It is attached to the shaped portion 821 so as to be inserted from below. Note that the edge 641 is attached so as to sandwich the groove-shaped portion 821 from above.
  • the cover material 5 covering the open upper part of the eaves gutter 2 hides the inside of the eaves gutter 2 and can improve the strength of the eaves gutter 2 itself.
  • This cover material 5 is a member that prevents snow from accumulating inside it and fallen leaves from entering and accumulating.
  • small-diameter slit holes are formed as a plurality of water guide ports 511 for guiding rainwater inside. Intrusion prevention is also achieved. Since the water guide port 511 also serves as a filter for preventing fallen leaves from entering from rainwater and the like, subsequent clogging of the eaves gutter 2, the connecting gutter 3, and the downspout material 4 can be prevented.
  • the cover material 5 can use the same material and processing as the eaves gutter 2, and the strength of the eaves gutter 2 itself can be improved. Further, the eaves tip (substantially U-shaped engaging portion 52) is engaged with the engaged portion 222 at the eaves tip of the eaves gutter 2, and the opposite (building side) end is fixed to the exterior foundation 1B. Thus, since the eaves tip (engaged portion 222) of the eaves gutter 2 is pulled toward the building, the cover material 5 acts as an arm that holds the load of the eaves gutter 2. As shown in FIG.
  • a rafter 1C with a substantially hat-shaped cross section is fixed along the flow direction to the exterior base 1B having a slope, and an eaves support member 8A and an eaves arabesque arabesque 8B are attached to the eaves tip.
  • the rafter 1C is an elongated support member on which a plurality of exterior materials 7 are laid in a superposed manner.
  • the exterior material 7 is a horizontal roof exterior material, and has an eaves-side molded portion 72 and a ridge-side molded portion 73 formed on the underwater side and the water side of a face plate portion 71 having a V-shaped cross section, which are fitted to each other. It is possible.
  • the eaves arabesque 8B is formed with a fitting groove 83 that is open on the upstream side in the flow direction and a mounting groove 84 that is open on the downstream side.
  • Each of the lower pieces 841 forming the groove 84 is formed in an elongated shape.
  • the exterior foundation 1B is shown schematically in a simplified manner, a plurality of rafters 1C are fixed to its upper surface along the flow direction, and fitting grooves 83 are formed at the eaves tips of the fixed rafters 1C.
  • the eaves arabesque 8B is fixed so as to straddle.
  • the fitting groove 83 is attached to the eaves tip of the rafter 1C, the upper piece 831 is elongated, so that it can be firmly fixed by driving a fixture (not shown) from above.
  • the mounting groove 84 of the fixed eaves edge arabesque 8B as a hanger, the exterior materials 7 are laid in order from the eaves edge side.
  • the long extending lower piece 841 of the mounting groove 84 is used as a hanger (not shown) from above along the edge of the cover material 5 on the building side. It can be firmly fixed.
  • the connecting gutter 3 used in the first embodiment is formed with an open top and provided with a running water channel 30, and is formed by the same material and molding method as the eaves gutter 2. are arranged substantially horizontally.
  • This water channel 30 is formed between a bottom surface 31, both side surfaces 32, 32, and an eaves edge surface 33, as shown in FIG. It is formed so that the side becomes higher, and a water return 321 is provided at the upper end thereof, which is bent inward.
  • An engaged portion 331 that engages with the outside of the engaged portion 222 of the eaves gutter 2 is formed at the upper end of the eaves edge surface 33, and a water return portion 34 is formed between the side surfaces 32, 32. ing.
  • the running water channel 30 in the installed state is formed so that the surface side is inclined slightly downward from the eaves edge side toward the building side, and the side and back side protrude from the eaves gutter 2 toward the back side. part is formed. Therefore, as shown by the arrow in FIG. Rainwater can flow downward in the running water channel 30 without backflow to the drainage channel 20. ⁇
  • a water guide hole 310 penetrating the bottom surface 31 in a circular hole shape is provided on the building side of the connecting gutter 3 , and the upper end of the downpipe member 4 is connected to the water guide hole 310 .
  • the downspout material 4 used in the first embodiment has a cylindrical shape provided with a water fall channel 40 for causing rainwater or the like guided to the water flow channel 30 of the connecting gutter 3 to flow downward. It is formed with the same material and molding method.
  • the downpipe members 4 are arranged along the outer wall 1A of the building 1 in a slightly spaced manner.
  • This downpipe member 4 extends below the building side of the connecting gutter 3 and is provided along the outer wall 1A of the building 1, so the outer wall 1A plays a role of supporting the downpipe member 4. Further, if the color of the downpipe material 4 is selected according to the color of the outer wall 1A, for example, the appearance is not spoiled, and the design can be excellent.
  • FIG. 2 A construction method of the drainage structure in the building 1 of the first embodiment will be briefly described below.
  • a plurality of rafters 1C are fixed to an exterior foundation 1B, and an eaves support member 8A and an eaves arabesque 8B are fixed.
  • Install gutter 2 When installing the eaves gutter 2, a plurality of supporting reinforcing members 6 are fixed together.
  • Two eaves gutters 2, 2 are arranged along the eaves so as to face each other with a connecting gutter 3 interposed therebetween, but the connecting gutter 3 is faced from the eaves side of the abolished eaves gutters 2, 2 in a butting manner.
  • the downpipe member 4 is attached so that the upper end of the downpipe member 4 is arranged in the water guide hole 310 of the connecting gutter 3, and assembled so that the rainwater flow shown in FIG. 4(a) is formed.
  • cover material 5 is attached and fixed so that the back surface thereof is supported by the supporting reinforcing material 6 and covers the two eaves gutters 2, 2 and the connecting gutter 3, and the exterior material 7 is sequentially applied from the eaves side.
  • Example 1 constructed in this way is attached to the building 1 and intersects with the drainage channels 20, 20 at the connection point of the two eaves gutters 2, 2 provided with the drainage channels 20 that are open at the top.
  • a connecting gutter 3 is provided to guide the water in the direction of the roof surface, etc., and the building side of the connecting gutter 3 (water guide hole 310) is connected to the downpipe member 4 extending in the height direction. Rainfall is collected in the connecting gutter 3 by the drainage channel 20 of the eaves gutter 2, and is guided to the downpipe member 4 extending in the height direction from the water guide hole 310 of the connecting gutter 3 to flow downward.
  • the design is excellent. Therefore, the rainfall on the roof surface, the outer wall surface, etc. of the building can be collected in the eaves gutter 2 and the connecting gutter 3, and the collected rainwater can flow downward from the downpipe material 4, and the design is also excellent. .
  • the outer wall 1A plays a role of supporting the downpipe member 4 and prevents its deformation. Further, if the color of the downspout material 4 is selected according to the color of the outer wall 1A, for example, the scenery is not spoiled.
  • the drainage channel 20 of the eaves gutter 2 is formed between the side surfaces 22 and 23 having stepped portions 221 and 231, respectively, and a plurality of supporting reinforcing members 6 are installed between the stepped portions 221 and 231. Therefore, the eaves gutter 2 is prevented from being deformed and has high supporting strength. Furthermore, in the first embodiment, since the cover material 5 covering the open upper part of the eaves gutter 2 is fixed, the inside of the eaves gutter 2 is hidden by the cover material 5 and the eaves gutter 2 itself is covered by the cover material 5. Strength can also be improved. Since the cover material 5 also serves as a filter for preventing fallen leaves from entering from rainwater and the like, clogging of the eaves gutters 2, 2, the connecting gutters 3, and the downpipe material 4 can be prevented.
  • FIG. 5 is a perspective view looking up from the back side of the drainage structure to which one example of the drainage structure of the first embodiment is applied, and the downspout material 4A is in close contact (in contact) with the surface side of the outer wall 1A'. It corresponds to the aspect.
  • the outer wall 1A' supports the back side of the downpipe member 4A, which has a square cross section and is formed into a hollow rectangular tube shape. 1A' can play a mitigating role.
  • FIG. 6 is a perspective view looking up from the back side of a drainage structure to which another example of the drainage structure of the first embodiment is applied, and a connecting gutter 3A having no through-hole is arranged in an outer wall 1A' in a projecting manner. Together, it corresponds to a mode in which the downpipe member 4B is in close contact (in contact) with the back side of the outer wall 1A'.
  • the outer wall 1A' can visually hide the downspout member 4B, which has a rectangular cross section and is molded into a hollow rectangular tube shape, and in addition, the protective effect against impacts is relatively high. becomes relatively large.
  • reference numeral 1D' denotes an eaves member that is installed substantially horizontally
  • reference numeral 1A' denotes an outer wall that is installed approximately vertically.
  • the eaves member 1D' is formed by connecting a plurality of members extending toward the eaves side in a flush manner
  • the outer wall 1A' is formed by a plurality of members extending in the height direction. are connected in a flush manner.
  • FIG. 7(a) shows an aspect in which the bottom of the lateral gutter member 2 and the bottom of the connecting gutter 3B are aligned (an aspect in which there is no height difference), in other words, the connecting gutter 3A in FIG. A mode in which the connecting gutter 3B is provided in a projecting shape is shown, and this connection gutter 3B is shown in a mode in which it is not provided in a projecting shape on the back side of the lateral gutter member 2.
  • FIG. 7 omits the downspout material. In the embodiment shown in FIGS.
  • the connecting gutter 3C, 3D consists of a connecting part 32 attached to the back surface of the horizontal gutter material 2 and extension parts 31c, 31d connected to the vertical gutter material 4. It becomes easy to deal with the length of (width/outer dimension).
  • the connecting part 32 of these connecting gutters 3C and 3D has a flip-up engaging part 37 at the eaves end and can be engaged with the eaves tip of the lateral gutter material 2, and the upper edge part along the back surface of the lateral gutter material 2 is Since it is provided, it can be attached to the back surface of the lateral gutter member 2. - ⁇ Moreover, as shown in FIG.
  • the extending portion 31c in the former is made of a material whose depth gradually becomes thicker, so that the bottom surface through which rainwater flows is arranged in a substantially parallel manner so that the bottom surface through which rainwater flows is directed toward the building. sloping down.
  • extended portion 31d as shown in FIG. , can be inclined downward toward the building side, making board cutting from raw materials and bending processing easy.
  • FIG. 9(a) shows an aspect in which the extension part 31e of the connecting gutter 3E is formed by a plurality of members (31e1 to 31e4).
  • a thick gutter member 31e1, support metal fittings 31e2 and 31e3 attached at predetermined intervals, and an auxiliary member 31e4 fixed to the eaves together with the support metal fittings 31e2 and 31e3 are used.
  • These gutter members 31e1 and auxiliary members 31e4 are both U-shaped (gutter-shaped) cross-sections and simple shapes, and the support metal fittings 31e2 and 31e3 that serve as hangers are also simple piece members. Easy to manufacture.
  • the gutter member 31e1 is formed with a width slightly narrower than that of the auxiliary member 31e4, so that the gutter member 31e1 is prevented from being dislodged due to the expansion of the gutter member 31e1, and the mounting state can be stably maintained. can.
  • reference numeral 39 in the figure is a fastener for fixing the support metal fittings 31e2 and 31e3 and the auxiliary member 31e4 to the eaves. Supporting metal fittings 31e2 and 31e3 are arranged and fixed by driving them in from below. In this state, the gutter member 31e1 is exposed from below and pressed upward from below, whereby the gutter member 31e1 is elastically engaged and attached. That is, in this aspect, since the engaging position of the gutter member 31e1 is lowered from the eaves side toward the building side, the rainwater flowing on the bottom surface of the gutter member 31e1 flows from the eaves side toward the building side.
  • FIG. 10(a) shows the connecting part 32 of the connecting gutter 3F, which is the same as in FIGS. 8 and 9 as shown in FIG. ing.
  • reference numeral 37b is a fastener for fixing to the engaging portion 37
  • V is a cover member
  • VI is a mounting support member
  • IB is an exterior substrate
  • vic is a fixture.
  • FIG. 10(c) is similar to the existing eaves gutter II, but as shown in FIG. The state in which 32f1 is fitted to the eaves tip of the other member 32f2 has substantially the same form as the connecting portion 32 shown in FIG. 10(b).
  • FIGS. 11(a) to (e) show a mode in which different connecting gutters 3Ya to 3Ye are attached to the eaves gutter (horizontal gutter material 2y) of the common eaves structure (1)
  • FIG. ) to (i) show modes in which different connecting gutters 3Zg to 3Zi are attached to the eaves gutter 2Z of the common eaves edge structure (2)
  • FIG. 11(f) shows a state in which a connecting gutter 3X is attached to the eaves gutter 2X of the separate eaves structure (3).
  • the eaves structure serving as the mounting base will be briefly explained.
  • a lateral gutter material 2Y is arranged as an eaves gutter, and the open upper surface thereof is covered with a cover material 5Y.
  • the cover material 5Z covers the open upper surface of the gutter (horizontal gutter material 2Z), and in the eaves structure (3) of FIG. 2X) is attached.
  • the connecting gutter 3Ya used in FIG. 11(a) has an arcuate bottom surface at the eaves tip
  • the connecting gutter 3Yb used in FIG. 11(b) has an acute-angled eaves tip.
  • the connecting gutter 3Yc used in (c) is formed in a stepped shape similar to the lateral gutter member 2Y, but the upper ends of the left and right side surfaces raised from the bottom surface are fixed to the lateral gutter member 2Y with screws. .
  • the side surfaces of the lateral gutter member 2Y are raised stepwise from the bottom surface through which rainwater flows, and the screws themselves are also treated to stop water.
  • the connecting gutters 3zg to 3zi in FIGS. 11(g) to (i) each consist of a plurality of members, and are configured to be attached to the eaves tip of the lateral gutter member 2z from the eaves side in an engaging manner.
  • the connecting gutter 3zi used in FIG. 11(i) has a large triangular shape with a tip in a side view.
  • Fig. 12(a) shows a mode in which the shape of the bottom portion 31s of the connecting gutter 3s expands from the eaves side toward the building side
  • Fig. 12(b) shows a state in which the shape of the bottom portion 31t of the connecting gutter 3t expands toward the eaves side. It is a mode in which the width is reduced from the side toward the building side.
  • 12(c) to (f) show front view variations of the connecting gutter 3w viewed from the eaves side. Whether the front view is a semicircular shape 33wc or a triangular shape 33wd, it shrinks stepwise from top to bottom.
  • a wide shape 33wf may be used, and the bottom surface thereof may be a flat shape 33w1 only at the center, an arc shape 33w2, or a flat shape 33w3.
  • a horizontal gutter member 2 having a drainage channel 20 with an open top is disposed at the eaves formed by extending from the outer wall 1A ′ of the building 1 ,
  • a connecting gutter 3A that guides drainage in a direction intersecting with the drainage channel 20 of the horizontal gutter 2 and a downspout material 4C that causes rainwater to flow down in the height direction via the connecting gutter 3A are connected, and the connecting gutter 3A is
  • the downpipe member 4C is provided to protrude from the lateral gutter member 2 toward the back side, and the downpipe member 4C is arranged so as to adhere to the back side of the outer wall 1A' as shown in FIG. 13(b).
  • FIG. 14 is a perspective view looking up from the back side of the lateral gutter member 2 and the connecting gutter 3A in the drainage structure. You can make it stand out more clearly by painting it with color. In addition, since the downpipe member 4C is arranged along the back surface side of the outer wall 1A' in close contact, it can be visually hidden.
  • the eaves gutter 2 used in the second embodiment is as described in the first embodiment, and is integrally attached to the edge of the eaves of the exterior base 1B.
  • a configuration in which a building-side side surface 23 is attached to the eaves edge support member 8A, and a configuration in which a support reinforcing member 6 having a higher strength than the eaves gutter 2 is disposed therein are also common.
  • the cover material 5 covering the open upper part of the eaves gutter 2 hides the inside of the eaves gutter 2 and the strength of the eaves gutter 2 itself can be improved by the cover material 5, and the eaves support material 8A and the eaves arabesque arabesque 8B.
  • an exterior base 1B, and a rafter 1C are also common to those of the first embodiment, and the same reference numerals are given to the drawings, and the description thereof is omitted.
  • a joint gutter 3L having a curved bottom surface is connected to the building-side end of the connecting gutter 3A, and the joint gutter 3L is also connected to a vertical gutter member 4C extending in the height direction. That is, the joint gutter 3L plays a role of connecting the connecting gutter 3A (flow channel 30) and the downpipe member 4C (falling channel 40), and can drain collected rainwater smoothly.
  • the downspout member 4C used in the second embodiment has a gutter-like shape provided with a water fall channel 40 that causes rainwater or the like guided to the water flow channel 30 of the connecting gutter 3A to flow downward. It is formed by the same material or by a molding method, and is arranged so as to closely adhere to the back side of the outer wall 1A'.
  • the downpipe member 4C of the second embodiment is a hollow rectangular tube having substantially the same thickness as the beam member 19 stretched horizontally and in the height direction on the back side of the outer wall 1A'. It is the same as the downpipe material 4B in that rainwater from (running channel 30) can flow downward (drainage) in the internal channel (falling channel 40), but it adheres to the back side of the outer wall 1A'. Since the outer wall 1A' is arranged in a shape, the outer wall 1A' plays a role of hiding (protecting) the downpipe member 4C, and is excellent in design.
  • the two eaves gutters 2, 2 are arranged along the edge of the eaves so as to face each other with the connecting gutter 3A interposed.
  • the connecting gutter 3A is made to face from the eaves side, and the upper end of the downspout material 4C (not shown) is arranged at the end of the connecting gutter 3A on the side of the building. Assemble to form.
  • cover material 5 is attached and fixed so that the back surface thereof is supported by the supporting reinforcing material 6 and covers the two eaves gutters 2, 2 and the connecting gutter 3A, and the exterior material 7 is sequentially applied from the eaves side.
  • the drainage structure of Example 2 constructed in this way is attached to the building 1 and intersects with the drainage channels 20, 20 at the connection point of the two eaves gutters 2, 2 provided with the drainage channel 20 that is open at the top.
  • a connecting gutter 3A for guiding drainage in a direction is provided, and the building side of the connecting gutter 3A is connected to a vertical gutter member 4C extending in the height direction, so that rainwater can surely flow down without backflow. and excellent in design.
  • the color (coating color) of the lateral gutter material 2 and the connecting gutter 3A is selected according to the color of the outer wall 1A', the structure can be constructed without impairing the scenery, or, conversely, it can be conspicuous (in terms of hue contrast). rich) structure.
  • the outer wall 1A', the lateral gutter material 2, and the connecting gutter 3A may be colored in the same color according to the surrounding environment.
  • the opposite color (complementary color) of the color wheel may be used.
  • the downpipe member 4C is arranged in close contact with the back side of the outer wall 1A' of the building, so that the outer wall 1A' plays a role of protecting the downpipe member 4C, and its deformation. can be prevented.
  • the support reinforcement member 6 is installed in the drainage channel 20 of the lateral gutter member 2 to prevent deformation of the lateral gutter member 2 and provide high support strength.
  • the inside of the downpipe member 4C is hidden by the cover member 5, and the strength of the lateral gutter member 2 itself can be improved by the cover member 5. - ⁇
  • it also serves as a filter for preventing fallen leaves and the like from rainwater and the like from entering, it is possible to prevent clogging of the lateral gutter members 2, 2, the connecting gutter 3A, and the downpipe member 4C.
  • Example 16(a) to (e) are common in that the downpipe members 4Ca to e are along the back sides of the outer walls 9a to e, similarly to the downpipe member 4C of the second embodiment, and reference numerals 40a to 40e are shown. indicates the respective falls.
  • Example 2 the substantially vertical striped outer wall 1A' is used, but in Example 3, flat outer walls 9a to 9e are constructed.
  • the downpipe members 4, 4A, 4B, and 4C used in Examples 1 and 2 are hollow cylinders, there is a problem that if clogging or the like occurs, it cannot be dealt with easily.
  • downspout members 4Ca-e are gutter-shaped, and the opening surfaces thereof are covered with coating materials (covers) 4Da-e, so clogging and the like can be easily eliminated. That is, in Examples 1 and 2, the downspout is formed by one member (downspout materials 4, 4A to 4C), but in this Example 3, each downspout is made up of downspout materials 4Ca to e and a covering material. (Cover) It is formed of two members 4Da to e.
  • the downspout material 4Ca shown in FIG. 16(a) is formed in a shape in which the upper end of the U-shaped vertical surface extends outward, that is, in an inverted hat shape in cross section. ) 4Da is sandwiched between flat decorative members 91a, 91a.
  • reference numeral 92a is a heat insulating material
  • 93a is a ladle-shaped mounting material
  • 94a is a sheathing material
  • 95a is a beam material. Covered by a covering 4Da, it serves to visually hide the interior.
  • the downspout shown in FIG. 16(a) is formed of left and right mounting members 93a in addition to the two members of the downspout material 4Ca and the covering material (cover) 4Da.
  • the downpipe members 4Cb and 4Cc shown in FIGS. 16(b) and 16(c) have a shape in which the upper end of the U-shaped vertical surface extends inward, that is, the cross section is formed in a gutter shape by laying down a C shape with a lip.
  • the downspout members 4Cd and 4Ce shown in FIGS. 16(d) and 16(e) are further formed in a gutter shape by laying down a C-shape with a lip provided with a protuberance substantially at the center of the bottom surface.
  • 92b is a heat insulating material
  • 41 is a flange formed on the downpipe material 4Cb, 4Cc
  • 42 is a fixture
  • the outer wall 9b, 9c is a covering material (cover) 4Db
  • the left and right sides of 4Dc are sandwiched by flat decorative members 91b, 91b, 91c, and 91c.
  • the open upper surfaces (flanges 41, 41) of the downpipe members 4Cb, 4Cd embedded in the outer walls 9b, 9c are covered with covering members (covers) 4Db, 4Dc, so that the interior is visually hidden. role is fulfilled. If clogging or the like occurs inside, the clogging or the like can be easily eliminated by removing the fixing member 42 and the covering materials (covers) 4Db and 4Dc.
  • the downpipe members 4Cd and 4Ce shown in FIGS. 16(d) and 16(e) have a trough-like cross-section formed by laying down a C-shape with a lip, and further have a raised portion 44 at approximately the center of the bottom surface.
  • a fastener 43 is driven in from the outer wall base 9J to fix it to the frame (C-shaped steel with a lip).
  • 9F is a cap material
  • 92d and 92e are heat insulating materials
  • 94d and 94e are sheathing materials
  • 4Dd and 4De are covering materials (covers)
  • 9G is a holding material
  • 9h is a fixture. Since the open upper surfaces (flanges 41, 41) of the downpipe members 4Cd, 4Ce embedded in the back side of the outer wall members 9d, 9e are covered with covering members (covers) 4Dd, 4De, the interior can be visually observed. The role of concealment is fulfilled. If clogging or the like occurs inside, the clogging or the like can be easily eliminated by removing the fixing member 42 and the covering materials (covers) 4Dd and 4De.
  • Example 17(a)-(d) similar to Example 1, the downpipe members 4Fa-d are along the surface side of the outer walls 9a-d, but are attached in close contact or partially embedded.
  • 4 shows a variation of Example 4 which is provided, with reference numerals 40a-d denoting the respective falling waterways.
  • the example which step-shaped outer wall 9a-d was constructed was shown.
  • These downpipe members 4Fa to d have a gutter shape with an open surface side, and the surface side (opening surface) of the downpipe members 4Fa to d is covered with covering materials (covers) 4Ga to d. If clogging or the like occurs inside, the clogging or the like can be easily eliminated.
  • each downspout is formed by one member (downspout materials 4, 4A, 4B), but in this Example 4, each downspout is made up of downspout materials 4Fa to d and a covering material (cover ) 4Ga to d. Since these covering materials (covers) 4Ga to 4d are formed to project from the outer walls 9a to d, they can be colored in the same color according to the surrounding environment, similar to the relationship between the protruding connecting gutter 3A and the lateral gutter material 2. Alternatively, the covering materials (covers) 4Ga to 4Ga-d may be of opposite colors (complementary colors) on the color wheel for the outer walls 9'a to 9'd.
  • the downpipe members 4Fa to c shown in FIGS. 17(a) to (c) are the same as the downpipe members 4Cd and 4Ce in the construction example of FIGS. is the same as the downpipe members 4Cb and 4Cc in the construction examples of FIGS. 16(b) and 16(c). 17(a), (b), and (d) are the same as the covering material (cover) 4De shown in FIG. 16(e).
  • the downpipe material 4Fa shown in FIG. 17(a) is arranged not on the back side but along the surface of the outer wall 9a similar to the outer wall 9c in the construction example of FIG. 16(c). is attached from above with a fixing tool 48a, a stepped outer wall 9'a is formed, and by removing the covering material (cover) 4Ga, clogging inside can be easily eliminated.
  • reference numeral 43 denotes a fastener
  • 44 denotes a raised portion, which prevents rainwater flowing in the vertical direction inside the downpipe member 4Fa from entering the outer wall 9'a.
  • the downspout material 4Fb shown in FIG. 17(b) is arranged along the surface of the outer wall 9'b similar to the outer walls 9d and 9e in the construction examples of FIGS. Since the covering material (cover) 4Gb is attached from the side with fixing tools 48b, a stepped outer wall 9'b is formed. It can clear clogs, etc.
  • the downpipe material 4Fc shown in FIG. 17(c) is partially buried in the surface of the outer wall 9'c similar to the outer walls 9d and 9e in the construction examples of FIGS. 16(d) and (e). , and the covering material (cover) 4Gc having a pot lid shape in cross section is attached from the side with the fixing tool 48c, so that the stepped outer wall 9'c is formed, and the covering material (cover) 4Gc is removed.
  • clogging inside can be easily eliminated.
  • the downspout material 4Fd shown in FIG. 17(d) is arranged along the surface of the outer wall 9'd similar to the outer walls 9d and 9e in the construction examples of FIGS. , the covering material (cover) 4Gd is attached from the side by means of fasteners 48d, so that stepped outer walls 9'd are formed. It can clear clogs, etc.
  • downpipe members 4Fa-d which are attached to the building 1 and extend continuously in the height direction, are in close contact with the surface sides of the outer walls 9'a-d. , so that it can be stably supported from the back side.
  • the colors (coating colors) of the coating materials (covers) 4Ga to d that protrude toward the surface side are selected according to the color of the outer walls 9'a to 9'd, the structure does not impair the landscape. Or, conversely, it can be a conspicuous structure.
  • the outer walls 9'a-d and the covering materials (covers) 4Ga-d may be of the same color according to the surrounding environment.
  • the materials (covers) 4Ga to d may be the opposite colors (complementary colors) of the color wheel.
  • the drainage structure of the fifth embodiment shown in FIG. 18 shows an example of application to an existing building Z, and a horizontal gutter material having a drainage channel 20z with an open top at the eaves extending from the outer wall 9Z.
  • a connecting gutter 3Z which is a trough for guiding drainage in a direction intersecting the drainage channel 20z of the horizontal gutter 2Z, and a downtrough 4Z for causing rainwater to flow down in the height direction through the connecting gutter 3Z. , are connected, and this downpipe member 4Z is attached to the inner surface side of the outer wall 9Z.
  • reference numeral 29 denotes a support fitting for supporting the lateral gutter material, 79 an exterior foundation, 78 a sheathing material, and 77 a roof material.
  • This fifth embodiment is an example in which the drainage structure of the present invention is applied to an existing building Z, and is the same as the second embodiment as a structure in which a downspout member 4Z is attached to the inner surface side of the outer wall 9Z.
  • the downpipe member 4J in the drainage structure of Example 6 shown in FIG. It is bent inward (bent piece 461) and then folded upward at its lower end (folded piece 462).
  • reference numerals 4H and 4K in the figure denote the same exterior wall material, and by laying them alternately, a stepped exterior wall in which peaks and valleys are continuous is constructed, and a heat insulating material 92h is arranged in the peaks. It is a thing.
  • a drainage structure is formed in which the downpipe material 4J is arranged inside the ridges (on the back side of the outer wall material 4H) instead of the heat insulating material 92h.
  • the outer wall members 4H and 4K are formed wider (the face plate portion 47) than the downspout member 4J (the face plate portion 45 thereof), but other configurations are substantially the same as the outer wall members.
  • the outer wall material 4H positioned on the surface side (opening portion) of the downpipe material 4J also serves as a coating material (cover), and a water fall channel 40j is formed therebetween.
  • the downpipe member 4J and the outer wall members 4H and 4K have the same simple shape except for the horizontal dimensions of the flat face plate portions 45 and 47.
  • the outer wall members 4H and 4K have front and back surfaces.
  • the only difference is that it is used, so the molding is extremely simple.
  • a substantially Z-shaped hanger 5n and an umbrella-shaped fixing member 5m are used for the construction, but the surface is elastically elastic.
  • the side edges 46, 46 are expanded sideways while the respective bent pieces 461, 461 are in contact with each other, and the folded pieces 462, 462 face each other, elastically. It can be fitted and integrated.
  • Reference numeral 5p in the figure denotes a fixing screw.
  • the outer wall material 4K used as the valley portion is used as the downpipe material, and by using the coating material (cover) 4L, the hanger 5q and the screw 5r, the water fall channel 40k is formed inside.
  • a drainage structure is formed.
  • the outer wall material 4K and the covering material (cover) 4L form a downpipe material extending in the height direction. of the heat insulating material 92h is located.
  • a covering material (cover) 4L used in this drainage structure has a simple shape in which the left and right ends of a flat shape are simply folded back, and the folded edges are fixed with screws 5r.
  • 19(a) and (c) are common in that the outer wall material also serves as part of the downspout material, and the same member is used for both the peaks and valleys.
  • the outer wall material 4K serves as a concave outer wall surface, while the outer wall material 4K serves as a cover (coating material).
  • FIGS. 20(a) and (b) show a mode in which the bottoms of the lateral gutter members 2, 2' and the bottoms of the connecting gutter members 3, 3' are aligned. 3 shows a mode in which it is not provided in a raised shape from the rear side to the rear side. It should be noted that FIG. 20 omits the downspout material.
  • the lateral gutter member 2 shown in FIGS. 20(a) and (b) is a continuous member having a hole 230 formed on the side surface 23 on the side of the building and communicating with the connecting gutter 3. It is led to the connecting gutter 3 through 230 .
  • a joint gap 29 is formed at the abutted edges of the lateral gutter member 2', and the lower side of the joint gap 29 is also covered by the connecting gutter 3'. Therefore, rainwater is led from each of the lateral gutter members 2', 2' to the connecting gutter 3' via the joint interval 29.

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JPH0585917U (ja) * 1992-04-24 1993-11-19 松下電工株式会社 呼び樋支持装置
JP2020084486A (ja) * 2018-11-20 2020-06-04 元旦ビューティ工業株式会社 軒先構造、及びその施工法

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* Cited by examiner, † Cited by third party
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JPS5533348U (https=) * 1978-08-28 1980-03-04
JPS6351559A (ja) * 1986-08-20 1988-03-04 積水化学工業株式会社 竪樋装置
JPH0387718U (https=) * 1989-12-25 1991-09-06
JPH0540453U (ja) * 1991-10-30 1993-06-01 松下電工株式会社 軒下樋装置
JPH0585917U (ja) * 1992-04-24 1993-11-19 松下電工株式会社 呼び樋支持装置
JP2020084486A (ja) * 2018-11-20 2020-06-04 元旦ビューティ工業株式会社 軒先構造、及びその施工法

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