JP4996022B2

JP4996022B2 - Rain gutter system

Info

Publication number: JP4996022B2
Application number: JP2001272320A
Authority: JP
Inventors: 正和大橋
Original assignee: Sekisui Chemical Co Ltd
Current assignee: Sekisui Chemical Co Ltd
Priority date: 2001-09-07
Filing date: 2001-09-07
Publication date: 2012-08-08
Anticipated expiration: 2021-09-07
Also published as: JP2003074155A

Description

【０００１】
【発明の属する技術分野】
本発明は、建物の屋根に降った雨水を排水する雨樋システムに関する。
【０００２】
【従来の技術】
従来の雨樋システムとして、たとえば特公平８−３２４９号公報において、気温変化による軒樋の熱伸縮を吸収する伸縮吸収機構を備え、寄棟屋根に適用できる雨樋システムが開示されている。
【０００３】
具体的には、寄棟屋根の軒先に沿って軒樋が屋根全周に設けられ、軒先の隅角部において曲り継手によって接続され、所定個所に設けられた集水器内に軒樋の端部が差し込まれ、この集水器の下部にエルボおよび呼び樋を介して竪樋の上端部が接続され、この竪樋の下端部が地中に埋設された排水管の立ち上がり上端部に接続されている雨樋システムである。この場合、軒樋同士は外嵌合方式の継手を介して接着接続されている。
【０００４】
【発明が解決しようとする課題】
しかしながら、上記の雨樋システムの場合、軒樋同士は外嵌合方式の継手を介して接着接続されているため、軒樋と継手との接続部分外面に、継手の肉厚に等しい段差が現れるので、軒先の外観の見栄えが悪いという問題があった。特に、軒樋がたとえば実開平１−６８４３９号公報、実開平３−７６９３３号公報、実開平３−９５４２４号公報などに開示されているように、前側壁の方が後側壁よりも高くされるとともに、前側壁が屋根側に向かって湾曲面状とされたタイプの軒樋の場合、著しく軒先の外観の見栄えが悪くなる。
【０００５】
この軒先の外観の見栄えの問題を解消するために、たとえば特開平２−１６１０５６号公報において、合成樹脂製の軒樋を端面同士を突き合わせた状態で配設し、突き合わせた軒樋の端部間に跨がるように、軒樋の内面に沿って継手を装着した軒樋の接続構造が開示されている。つまり、内嵌合方式の継手を介して軒樋同士を接着接続するものである。
【０００６】
ところで、軒樋の配設施工の際には、軒樋の接続個所のどこかで、定尺の軒樋を所定の長さに切断した乱尺の軒樋を使用しなければならない。そして、この切断作業は施工現場にて所定の切断治具などを用いて行われることになる。その際、軒樋が斜め切断された場合、この斜め切断された端面を、内嵌合方式の継手にて接続される軒樋の端面と突き合わせると、その突き合わせ部に隙間が生じることになる。そのため、軒樋同士の接続部の外観の見栄えが非常に悪い。
【０００７】
特に、上記実開平３−７６９３３号公報にて開示されているように、軒樋が合成樹脂層内に金属製の帯状芯材がインサートされた帯状板体をたとえばベンダー加工などにより折曲して形成されたものである場合、軒樋の切断作業そのものが従来の硬質塩化ビニル樹脂製の軒樋に比べて困難であり、切断治具として特殊なものが必要となる。また、切断面にバリなどが生じやすく、このバリ除去作業もたいへんである。
【０００８】
本発明の目的は、軒樋同士の接続部の外面に段差部が生じず、軒先の見栄えが良好な雨樋システムを提供することである。
【０００９】
本発明の他の目的は、軒樋と樋継手との接続部からの雨水の漏れを防止できる軒樋システムを提供することである。
【００１０】
【課題を解決するための手段】
請求項１記載の本発明は、屋根の軒先に沿って軒樋が設けられ、軒先の隅部において曲り継手によって接続され、所定個所に設けられた集水器の端部に軒樋の端部が接続され、この集水器の下部に竪樋の上端部が接続されている雨樋システムにおいて、施工現場にて切断された軒樋の切断端部側が集水器または曲り継手の端部と接続され、前記雨樋システム中の軒樋と軒樋を接続する箇所は、前記切断端部でない側の端面同士を突き合わせ、この突き合わせた軒樋の端部間に跨がるように、軒樋の内面に沿って樋継手が装着されて接着接続されており、軒樋が、樋本体部の上端に耳部が形成され、この耳部の内側面に内方に開口した溝が形成されたものであり、樋継手が、外面形状が樋本体部の内面形状とほぼ合致する形状に形成された継手本体部と、この継手本体部の上端部に設けられた耳係止部とからなり、継手本体部の前側壁の上部が、軒樋の前耳の下面に合致するように内側に屈曲されて受け面とされ、該受け面の最下端側に突起が継手本体部の長手方向に沿って一体に設けられ、該受け面のほぼ中央に長方形状の孔が穿孔されており、継手本体部が軒樋の端部内に嵌合接着された状態で、軒樋の前耳の溝に溜まる雨水が、前記受け面上を流れ、前記孔を通じて軒樋に流れ込むための、軒樋の前耳の下面部と、軒樋継手側の受け面および前側壁の上端で形成される排水溝を有するものである。
【００１３】
本発明における軒樋、竪樋、集水器の材質は、硬質塩化ビニル樹脂、アクリル樹脂、ポリカーボネート樹脂、ＡＥＳ樹脂などの合成樹脂が使用できる。また、ガラス繊維や炭素繊維などから形成された芯材が合成樹脂にて被覆された複合材料からなるものであってもよい。また、本発明における曲り継手や樋継手の材質は、軒樋、竪樋、集水器の材質と同一であっても、異なるものであってもよい。さらに、樋継手や曲り継手の形状は適用される軒樋や竪樋の形状に応じて決めればよい。
【００１４】
請求項１記載の本発明では、雨樋システム中の軒樋と軒樋を接続する箇所は、切断端部でない側の端面同士を突き合わせ、この突き合わせた軒樋の端部間に跨がるように、軒樋の内面に沿って樋継手が装着されて接着接続されているので、軒樋同士の接続部の外面に段差部が生じず、軒先の見栄えが良好である。
【００１５】
また、所定の切断治具を用いて、施工現場にて切断された軒樋の切断端部側が集水器または曲り継手の端部と接続されているので、たとえば軒樋が少し斜め切断されたとしても、樋継手を介して接着接続される軒樋の端面同士が突き合わせられた軒樋の端面間には隙間が生じることはない。このため、軒樋同士の接続部の意匠的外観の見栄えが良好である。
【００１６】
また、軒樋が、樋本体部の上端に耳部が形成され、この耳部の内側面に内方に開口した溝が形成されており、樋継手が、外面形状が樋本体部の内面形状とほぼ合致する形状に形成された継手本体部と、この継手本体部の上端部に設けられた耳係止部とからなり、軒樋の前耳の下面部と、軒樋継手側の受け面および前側壁の上端で形成される排水溝を有するので、たとえば軒樋の接続施工の際に、隣接する軒樋同士の端面間に僅かに隙間が生じても、この隙間を通じて軒樋の外方に漏れる雨水を排水溝を通じて軒樋内に排水することができる。
【００１７】
【発明の実施の形態】
以下、本発明の実施の形態を図面に基づいて説明する。
図１は本発明の雨樋システムを示す分解斜視図、図２は図１の雨樋システムが適用される建物の屋根面を示す平面図、図３は図１の雨樋システムの軒先への取付け状態を一部省略して示す平面図、図４は図３のＸ−Ｘ線での拡大断面図である。
【００１８】
図１において、１は軒樋、２は軒樋継手、３は曲り継手、４は軒樋吊り具、５は樋集水器である軒チーズ、６は軒樋止まり、７は竪樋、７３は竪樋継手、７４は排水管カバー、７５は竪樋支持具である。
【００１９】
図２に示すように、建物の軒先の鼻隠し板８に沿って軒樋１が設けられ、軒先の出・入隅部において曲り継手３，３によって接続され、所定個所に設けられた軒チーズ５の両端部に軒樋１，１の端部が挿入接続されている。軒樋１，１同士の接続は、その端面同士が突き合わせた状態で配設され、この突き合わせた軒樋１，１の端部間に跨がるように、軒樋の内面に沿って軒樋継手２が装着されて接着接続されている。このようにして順次接続されて軒先に配設された軒樋１，１の両端は樋止まり６，６にて閉塞されている。なお、軒樋１は、鼻隠し板８に固定されている軒樋吊り具４にて支持されている。
【００２０】
軒チーズ５の下部に設けられている流出側接続部には、図１に示すように、９０度エルボ７１、呼び樋７２および９０度エルボ７１が順次接続され、この９０度エルボ７１の下端部に竪樋７の上端部が接着接続されている。竪樋７，７同士は竪樋継手７３を介して接着接続されている。竪樋７の複数個所は建物の外壁に固定された竪樋支持具７５にて挟持されている。そして、竪樋７の下端部外周には排水管カバー７４が装着され、この排水管カバー７４の下端部が、地中に埋設された排水管の立ち上がり管（図示せず）の上端部内に挿入されることで、本発明の雨樋システムが構成されている。
【００２１】
つぎに、上記雨樋システムを構成している各構成部材について説明する。
軒樋１は断面形状が角型の硬質塩化ビニル樹脂製のものであり、図５に示すように、平坦な底壁１１と、この底壁１１の両側部から立設された前側壁１２および後側壁１３とで溝形状の樋本体部１０が構成されている。前側壁１２は底壁１１から外側に向けて若干傾斜して形成され、途中部で段部１２１が前方に水平に延設して形成されており、後側壁１３は底壁１１に対してほぼ直角に形成されている。
【００２２】
前側壁１２の上端には前耳１４が形成されており、この前耳１４は樋内側に開口した溝１４１を有している。この溝１４１は断面形状がほぼＣ字状とされており、その開口部上縁には係止爪１４２が下向きに形成されている。後側壁１３の上端には後耳１５が形成されており、この後耳１５は内方に向けて突出された係止突起１５１を備えており、この係止突起１５１の隅部下面側には幅狭（約２．５ｍｍ）の溝１５２が形成されている。前耳１４の溝１４１および後耳１５の係止突起１５１は、軒樋１を後述の樋支持具４に取り付ける際の取付用溝および突起となる。
【００２３】
軒樋継手２は、上記軒樋１と同様に硬質塩化ビニル樹脂製のものであり、図６に示すように、その外面形状が樋本体部１０の内面形状とほぼ合致する形状に形成された溝形状の継手本体部２０と、この継手本体部２０の上端部に設けられた前耳係止部２４と後耳係止部２５とで構成されている。
【００２４】
継手本体部２０は溝形状のものであり、平坦な底壁２１と、この底壁２１の両側部から立設された前側壁２２および後側壁２３とで構成されている。前側壁２２は底壁２１から外側に向けて若干傾斜して形成され、途中部で段部２２１が前方に若干傾斜して延設して形成されている。後側壁２３は底壁２１に対してほぼ直角に形成されている。
【００２５】
前側壁２２の上部は、軒樋１の前耳１４の下面１４３に合致するように内側に屈曲されて受け面２２２とされている。この受け面２２２の最下端側には、高さ約０．５ｍｍの突起２２３が継手本体部２０の長手方向に沿って一体に設けられている。この突起２２３は軒樋１の前耳１４の溝１４１内に溜まった雨水を軒樋１内に排水するための排水溝Ｇを形成するためのものであり、その高さは０．５〜２ｍｍ程度あればよい。受け面２２２のほぼ中央には長方形状の孔２２４が穿孔されている。なお、２６は立ち上がり片であり、冬季の積雪荷重によって軒樋１の前耳１４と樋継手２の前耳係止部２４との係合が外れるの防止するものである。
【００２６】
曲り継手３（３ａ，３ｂ）は、図７に示すように、溝形状の９０度曲り継手本体３１と、この継手本体３１の両端部に設けられた接続部３２，３２とから構成されている。この接続部３２の内面形状は上記軒樋１の外面形状とほぼ合致する形状とされている。すなわち、図７（ｂ）に示すように、継手本体３１の前側壁の方が後側壁よりも高くなっている。接続部３２の奥部内周面には係止片３２１が設けられ、また、両側部上端には押さえ片３２２が設けられている。曲り継手３は硬質塩化ビニル樹脂製のものである。この場合の曲り継手３ａは出隅部にて用いられるものであるが、これとは別に、入隅部にて用いられる曲り継手３ｂもある。
【００２７】
軒樋吊り具４は、図８に示すように、取付部４１と支持部材４２とからなり、支持部材４２の両端には前耳保持部４３および後耳保持部４４が設けられている。樋吊具４はポリカーボネート樹脂製のものである。
【００２８】
軒チーズ５は、図１に示すように、溝形状の継手本体５１と、この継手本体５１のほぼ中央から下方に突設された流出側接続部５２とから構成されている。継手本体５１の両端部には軒樋接続部５１１が設けられている。軒樋接続部５１１の両側部上端には押さえ片５１２が設けられている。軒チーズ５は硬質塩化ビニル樹脂製のものである。
【００２９】
軒樋止まり６は、図１に示すように、板状の止まり本体６１と、この止まり本体６１の片側に延設された接続部６２とから構成されている。この接続部６２は軒樋１の外面形状に符合した内面形状を有している。軒樋止まり６は硬質塩化ビニル樹脂製のものである。なお、軒樋止まり６は右用６ａと左用６ｂの２種類がある。
【００３０】
つぎに、図２にて示す建物の軒先に、本発明の雨樋システムを施工する手順について説明する。
【００３１】
この場合、図２に示す曲り入隅部から施工を始める。
まず、建物の鼻隠し板８に、複数の軒樋吊り具４を配列し取付け位置を決めてから、軒樋吊り具４の取付部４１をネジなどの固定具で螺着して取り付ける。
【００３２】
つぎに、曲り入隅部の両側において、軒樋１ａ，１ｂを互いに直交するように、鼻隠し板８に軒樋吊り具４を利用して取り付ける。すなわち、軒樋１ａ，１ｂの後耳１５を各軒樋吊り具４の後耳保持部４４に嵌合して係止させ、後耳１５，１５を中心として軒樋１ａ，１ｂを時計周り方向に回転させ、軒樋１ａ，１ｂの前耳１４，１４を軒樋吊り具４の前耳保持部４３に嵌合して係止させる（図８（ａ）および図８（ｃ）を参照）。その際、軒樋１ａと軒樋１ｂの間に、入隅用の曲り継手３ｂを配置できるように隙間を開けておく。
【００３３】
そして、曲り継手３ｂの接続部３２，３２の内周面に接着剤を塗布し、この接着剤を塗布した曲り継手３ｂを手で支持して曲り入隅部に配置し、一方の接続部３２に軒樋１ａの端部を差し込む。つぎに、他方の接続部３２に軒樋１ｂの端部を差し込む。なお、曲り継手３ｂの接続部３２とは反対側に位置している軒樋１ａの端部外周面にはあらかじめ左用の軒樋止まり６ｂを接着している。
【００３４】
つぎに、軒樋１ｂの右側に軒樋１ｃを配置し、軒樋１ｂ，１ｃ同士の端面を当接させる。そして、軒樋継手２の樋本体部１０の両端部外周面に接着剤を塗布し、図８（ｂ）に示すように、この接着剤を塗布した軒樋継手２の後側壁２３の上端部に設けられた後耳係止部２５を軒樋１ｂ，１ｃの後耳１５，１５の隅部下面側に設けられた溝１５２内に嵌合して係止させる。
【００３５】
つぎに、図８（ｃ）に示すように、後耳１５，１５を中心として軒樋１ｂ，１ｃを時計周り方向に回転させ、軒樋１ｂ，１ｃの前耳１４，１４を軒樋吊り具４の前耳保持部４３および軒樋継手２の前耳係止部２４に嵌合して係止させる。
【００３６】
軒樋１ｃの右側に所定の間隔（約８５ｍｍ）を開けて軒樋１ｄを配置する。そして、相対向し合う軒樋１ｃ，１ｄ間に軒チーズ５を接続する。具体的には、軒チーズ５の前側の押さえ片５１２，５１２を軒樋１ｃ，１ｄの前耳１４，１４に引っ掛けて係止させ、前耳１４，１４を中心として軒チーズ５を反時計周り方向に回転させ、軒チーズ５の後側の押さえ片５１２，５１２を軒樋１ｃ，１ｄの後耳１５，１５に引っ掛けて係止させる。
【００３７】
この場合、軒樋１ｃが施工現場にて金鋸などにて、定尺の軒樋から所定長さに切断した乱尺のものであれば、この切断した側の端部を軒チーズ５の端部と接続する。つまり、上記軒樋１ｂの端面と当接される軒樋１ｃの端面は、軒樋の押出製造工程において定尺の長さに切断された端面である。
【００３８】
このように、施工現場にて切断した軒樋１ｃの切断端部側を軒チーズ５の端部と接続することで、たとえば施工現場にて軒樋１ｃが斜めに切断されても、軒樋継手２を介して接着接続される軒樋１ｂ，１ｃの端面同士が突き合わせられた軒樋の端面間には隙間が生じない。この結果、軒樋１ｂ，１ｃ同士の接続部の外観の見栄えは良好である。
【００３９】
なお、上記曲り継手３ｂの接続部３２に接続される軒樋１ｂが施工現場にて切断した乱尺のものである場合には、上記軒樋１ｃの場合と同様に、軒樋１ｂの切断した側の端部を曲り継手３ｂの接続部３２と接続すればよい。
【００４０】
つぎに、軒樋１ｄの右側端部に出隅用の曲り継手３ａの接続部３２を接続する。具体的には、曲り継手３ａの接続部３２，３２の内周面に接着剤を塗布し、この接着剤を塗布した曲り継手３ａを手で支持して曲り出隅部に配置し、左側の接続部３２に軒樋１ｄの右側端部を差し込む。この際、軒樋１ｄの左側端部が軒チーズ５の端部と接続されているので、軒チーズ５内で軒樋１ｄの左側端部をやり取りしながら、軒樋１ｄと曲り継手３ａの接着接続を行える。
【００４１】
つぎに、曲り継手３ａの右側の接続部３２に軒樋１ｅの左側端部を差し込んで接着接続する。同様にして、軒樋１ｅの右側に他の軒樋を軒樋継手２を介して接続する。この作業を繰り返して行うことで、図２に示すように、軒樋継手２または軒チーズ５を介して接続した軒樋１を軒先の鼻隠し板８の前方に軒樋吊り具４にて配設する。
【００４２】
このようにして、建物の軒先への軒樋１の配設が完了したのち、図２に示すように、軒チーズ５の流出側接続部５２に９０度エルボ７１、呼び樋７２および９０度エルボ７１を順次接続する。この９０度エルボ７１の下端部に竪樋７の上端部を接着接続し、この竪樋７の下端部に竪樋継手７３を介して別の竪樋７を接着接続する。竪樋７，７の何箇所かを建物の外壁に固定した竪樋支持具７５にて挟持して固定する。
【００４３】
そして、下部竪樋７の下端部外周に排水管カバー７４を装着し、この排水管カバー７４を下部竪樋７に沿って上方に摺動させる。排水管カバー７４の下端と、地中に埋設されている排水管の立ち上がり管の上端との間に隙間が生じたら、排水管カバー７４を下方に摺動させ、排水管カバー７４の下部内筒を排水管の立ち上がり管の上端部内に挿入することで、本発明の雨樋システムの施工が完了する。
【００４４】
上記実施例における軒樋継手２の場合、図６に示すように、継手本体部２０の前側壁２２の上部に受け面２２２が形成され、この受け面２２２の最下端側に突起２２３が設けられているので、軒樋１の端部内に嵌合接着された状態では、図１１に示すように、軒樋１側の下面１４３と軒樋継手２側の受け面２２２との間には排水溝Ｇが形成されることになる。この結果、軒樋１の前耳１４の溝１４１内に溜まる雨水は、排水溝Ｇを通じて受け面２２２上を流れ、受け面２２２のほぼ中央に穿孔されている孔２２４を通じて軒樋１内に流れ込む。
【００４５】
また、軒樋１と軒樋継手２を接続する際に、たとえば隣接する軒樋１，１同士の当接端面間に僅かに隙間が生じても、図１１に示すように、受け面２２２の最下端側に設けられた突起２２３が堰としての機能を備えているので、水上側の軒樋１の前耳１４の溝１４１から隙間に流れ出た雨水は突起２２３に沿って受け面２２２上を流れ、軒樋継手２の孔２２４を通じて軒樋１内に流れ込むことになる。このため、隣接する軒樋１，１同士の当接端面間に生じた隙間を通じて、雨水が軒樋１の外面側に漏れ出るのを防止することができる。たとえば寒冷地や積雪地において、上記隙間部分に生じていた氷柱の発生を防止することができる。
【００４６】
さらに、図１１に示すように、前耳１４の係止爪１４２の前面が立ち上がり片２６にて覆われているので、冬季の積雪荷重によって軒樋１の前耳１４と前耳係止部２４との係合が外れるのを防止できる。このため、軒樋１の破損や破壊を防止でき、耐積雪荷重性にすぐれている。
【００４７】
図１０は軒樋継手の変形例を示す斜視図である。
この軒樋継手２Ａの場合、図１０に示すように、継手本体部２０の前側壁２２の上部に形成されている受け面２２２が中央から両端に向かって下り勾配の傾斜面とされている。なお、上記図６の軒樋継手２と同一部分については、同一符号を付して説明を省略する。
【００４８】
この軒樋継手２Ａの場合、軒樋１の端部内に嵌合接着された状態では、図１２に示すように、軒樋１側の下面１４３と軒樋継手２側の受け面２２２との間には排水溝Ｇが形成される。この場合、排水溝Ｇの深さは受け面２２２の中央から両端に向かうにつれて徐々に深くなっている。そして、受け面２２２が中央から両端に向かって下り勾配の傾斜面とされているので、軒樋１の前耳１４の溝１４１内に溜まる雨水は受け面２２２のほぼ中央に流れ落ちた後、受け面２２２上を両側に流れ、受け面２２２の両端を通じて軒樋１内に流れ込む。
【００４９】
また、軒樋１と軒樋継手２Ａを接続する際に、たとえば隣接する軒樋１，１同士の当接端面間に僅かに隙間が生じても、図１２に示すように、受け面２２２の最下端側に設けられた突起２２３が堰としての機能を備えているので、水上側の軒樋１の前耳１４の溝１４１から隙間に流れ出た雨水は突起２２３に沿って受け面２２２上を両側に流れ、受け面２２２の両端を通じて軒樋１内に流れ込むことになる。このため、隣接する軒樋１，１同士の当接端面間に生じた隙間を通じて、雨水が軒樋１の外面側に漏れ出るのを防止できる。
【００５０】
図１３は軒樋継手の他の変形例を示す斜視図である。
この軒樋継手２Ｂの場合、図１３に示すように、受け面２２２の下方に位置している前側壁２２の途中部に継手本体部２０内に張り出した倒置Ｊ字状の窪み２２ａを設けた以外は、基本的に上記図６の軒樋継手２とほぼ同一である。図６の軒樋継手２と同一部分については、同一符号を付して説明を省略する。
【００５１】
この軒樋継手２Ｂが適用される軒樋は図１４に示すようなものである。この軒樋１Ａは、前側壁１２の途中部に樋本体部１０内に張り出した倒置Ｊ字状の窪み１２ａを設けた以外は、基本的に上記図５の軒樋１とほぼ同一である。図５の実施例の軒樋１と同一部分については、同一符号を付して説明を省略する。
【００５２】
【発明の効果】
請求項１記載の本発明においては、雨樋システム中の軒樋と軒樋を接続する箇所は、切断端部でない側の端面同士を突き合わせ、この突き合わせた軒樋の端部間に跨がるように、軒樋の内面に沿って樋継手が装着されて接着接続されているので、軒樋同士の接続部の外面に段差部が生じず、軒先の見栄えが良好である。
【００５３】
また、所定の切断治具を用いて、施工現場にて切断された軒樋の切断端部側が集水器または曲り継手の端部と接続されているので、たとえば軒樋が少し斜め切断されたとしても、樋継手を介して接着接続される軒樋の端面同士が突き合わせられた軒樋の端面間には隙間が生じることはない。このため、軒樋同士の接続部の意匠的外観の見栄えが良好である。
【００５４】
また、軒樋が、樋本体部の上端に耳部が形成され、この耳部の内側面に内方に開口した溝が形成されており、樋継手が、外面形状が樋本体部の内面形状とほぼ合致する形状に形成された継手本体部と、この継手本体部の上端部に設けられた耳係止部とからなり、軒樋の前耳の下面部と、軒樋継手側の受け面および前側壁の上端で形成される排水溝を有するので、軒樋の接続施工の際に、隣接する軒樋同士の端面間に僅かに隙間が生じても、この隙間を通じて軒樋の外方に漏れる雨水を排水溝を通じて軒樋内に排水することができる。
【図面の簡単な説明】
【図１】本発明の雨樋システムを示す分解斜視図である。
【図２】図１の雨樋システムが適用される建物の屋根面を示す平面図である。
【図３】図１の雨樋システムの軒先への取付状態を一部省略して示す平面図である。
【図４】図３のＸ−Ｘ線での拡大断面図である。
【図５】図１における軒樋を示す正面図である。
【図６】図１における軒樋継手を示す斜視図である。
【図７】図１における出隅用の曲り継手を示す平面図と正面図である。
【図８】軒樋と軒樋継手の接続方法を示す説明図である。
【図９】軒樋と軒樋継手の接続状態を示す説明図である。
【図１０】軒樋継手の変形例を示す斜視図である。
【図１１】図９の要部を示す拡大断面図である。
【図１２】図１０の軒樋継手の使用状態を示す説明図である。
【図１３】軒樋継手の他の変形例を示す斜視図である。
【図１４】図１３の軒樋継手が適用される軒樋を示す正面図である。
【符号の説明】
１軒樋
１０樋本体部
１２前側壁
１４前耳
２軒樋継手
２０継手本体部
２４前耳係止部
３，３ａ，３ｂ曲り継手
４軒樋吊り具
４１取付部
４２支持部材
５軒チーズ（樋集水器）
５１継手本体
５１１軒樋接続部
５２流出側接続部
６軒樋止まり
７竪樋
８鼻隠し板
Ｇ排水溝[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a rain gutter system that drains rain water that has fallen on a roof of a building.
[0002]
[Prior art]
As a conventional gutter system, for example, Japanese Patent Publication No. 8-3249 discloses a gutter system that includes a stretch absorption mechanism that absorbs thermal expansion and contraction of an eaves wall due to a change in temperature and can be applied to a dormitory roof.
[0003]
Specifically, eaves ridges are provided along the eaves of the dormitory roof, and are connected by bending joints at the corners of the eaves, and the ends of the eaves are placed in a water collector provided at a predetermined location. Is connected to the lower end of the water collector through an elbow and a callout, and the lower end of the dredge is connected to the rising upper end of a drain pipe buried in the ground. It is a rain gutter system. In this case, the eaves are adhesively connected via an external fitting type joint.
[0004]
[Problems to be solved by the invention]
However, in the case of the rain gutter system described above, since the eaves are bonded and connected via an external fitting joint, a step equal to the thickness of the joint appears on the outer surface of the joint between the eaves and the joint. Therefore, there was a problem that the appearance of the eaves was not good. In particular, as disclosed in Japanese Utility Model Laid-Open Nos. 1-68439, 3-76933, and 3-95424, the front side wall is made higher than the rear side wall. In the case of an eave ridge of the type in which the front side wall is curved toward the roof side, the appearance of the eaves end looks very bad.
[0005]
In order to solve the problem of the appearance of the eaves edge, for example, in Japanese Patent Laid-Open No. 2-161056, the eaves made of synthetic resin are arranged in a state where the end surfaces are in contact with each other, and between the ends of the abutted eaves An eaves connection structure in which a joint is attached along the inner surface of the eaves so as to straddle the eaves is disclosed. In other words, the eaves are adhesively connected to each other via the inner fitting type joint.
[0006]
By the way, when the eaves are arranged and constructed, it is necessary to use an irregular eaves obtained by cutting a fixed eaves into a predetermined length somewhere in the connection part of the eaves. This cutting operation is performed at a construction site using a predetermined cutting jig or the like. At that time, when the eaves ridge is cut obliquely, a gap is generated in the butt portion when the obliquely cut end surface is abutted with the end surface of the eaves ridge connected by the inner fitting type joint. . Therefore, the appearance of the connection part between the eaves is very bad.
[0007]
In particular, as disclosed in Japanese Utility Model Laid-Open No. 3-76933, the eaves bends a belt-like plate body in which a metal belt-like core material is inserted in a synthetic resin layer by, for example, bender processing or the like. In the case where it is formed, the cutting work itself of the eaves is difficult as compared with the conventional eaves made of hard vinyl chloride resin, and a special cutting jig is required. In addition, burrs and the like are easily generated on the cut surface, and this burrs removal work is also difficult.
[0008]
An object of the present invention is to provide a rain gutter system in which a step portion does not occur on the outer surface of a connecting portion between eaves eaves and the eaves end looks good.
[0009]
It is another object of the present invention to provide an eaves system capable of preventing rainwater from leaking from a connection portion between the eaves and the eaves joint.
[0010]
[Means for Solving the Problems]
The present invention according to claim 1 is provided with an eave ridge along the eaves of the roof, connected by a bent joint at a corner of the eave, and an end of the eave ridge at the end of the water collector provided at a predetermined location. In the rain gutter system in which the upper end of the dredge is connected to the lower part of the water collector, the cut end side of the eave dredge cut at the construction site is connected to the end of the water collector or the bent joint. The connected eaves in the rain gutter system are connected to the eaves so that the end surfaces on the side that is not the cut end are abutted and straddled between the ends of the abutted eaves. An eaves joint is attached and adhesively connected along the inner surface of the eaves, and an ear part is formed at the upper end of the eaves body part, and an inwardly open groove is formed on the inner side surface of the ear part. The joint is formed so that the outer surface shape substantially matches the inner surface shape of the main body part. It consists of a body part and an ear locking part provided at the upper end of the joint body part, and the upper part of the front side wall of the joint body part is bent inward so as to match the lower surface of the front ear of the eaves bowl. A projection is provided integrally along the longitudinal direction of the joint body portion at the lowermost end side of the receiving surface, and a rectangular hole is drilled at substantially the center of the receiving surface. The bottom surface of the front ear of the eaves for allowing rainwater collected in the groove of the front ear of the eaves to flow into the eaves through the hole while being fitted and bonded to the end of the eaves And a drainage groove formed at the upper end of the front side wall and the receiving surface on the eaves joint side .
[0013]
Synthetic resins such as hard vinyl chloride resin, acrylic resin, polycarbonate resin, and AES resin can be used as the material for the eaves, the basket, and the water collector in the present invention. Moreover, the core material formed from glass fiber, carbon fiber, etc. may consist of a composite material coat | covered with the synthetic resin. In addition, the material of the bent joint and the saddle joint in the present invention may be the same as or different from the materials of the eaves, the saddle, and the water collector. Furthermore, the shape of the heel joint or the bent joint may be determined according to the shape of the eaves ridge or ridge applied.
[0014]
In the present invention according to claim 1, portions connecting the eaves gutter and eaves gutter in the gutter system, butting the end faces of the non-cut end side, astride between the ends of the butted eaves gutters In addition, since the eaves joints are attached and adhesively connected along the inner surface of the eaves ridge, no stepped portion is formed on the outer surface of the connection portion between the eave ridges, and the appearance of the eaves is good.
[0015]
Moreover , since the cut end side of the eave ridge cut at the construction site is connected to the end of the water collector or the bent joint using a predetermined cutting jig, for example, the eave ridge is cut slightly obliquely. However, no gap is generated between the end faces of the eaves ridges where the end faces of the eaves butt-bonded via the heel joints are butted together. For this reason, the appearance of the design appearance of the connection part between eaves is good.
[0016]
Also, the eaves has an ear formed at the upper end of the heel body, and an inwardly open groove is formed on the inner surface of the ear , and the heel joint has an outer surface shape of the inner surface of the heel body. A joint body formed in a shape that substantially matches the joint body, and an ear locking portion provided at the upper end of the joint body, and a lower surface portion of the front ear of the eaves ridge and a receiving surface on the eaves ridge joint side And a drainage groove formed at the upper end of the front side wall, for example, when connecting eaves, even if there is a slight gap between the end surfaces of adjacent eaves, the outside of the eaves through the gap Rainwater that leaks into the eaves can be drained through the drainage ditch.
[0017]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1 is an exploded perspective view showing a rain gutter system of the present invention, FIG. 2 is a plan view showing a roof surface of a building to which the gutter system of FIG. 1 is applied, and FIG. 3 is a plan view of the gutter system of FIG. FIG. 4 is an enlarged cross-sectional view taken along the line XX of FIG. 3.
[0018]
In FIG. 1, 1 is an eave ridge, 2 is an eave ridge joint, 3 is a bend joint, 4 is an eave hanger, 5 is an eaves cheese that is a water collector, 6 is an eave tub stop, 7 is a tub, 73 Is a gutter joint, 74 is a drain pipe cover, and 75 is a gutter support.
[0019]
As shown in FIG. 2, the eaves basket 1 is provided along the nose cover plate 8 at the eaves of the building, and is connected by bending joints 3 and 3 at the exit / entry corners of the eaves, and is provided at a predetermined place. The ends of eaves 1 and 1 are inserted and connected to both ends of 5. The connection between the eaves ridges 1 and 1 is arranged in a state where the end faces are in contact with each other. A joint 2 is mounted and adhesively connected. The ends of the eaves eaves 1 and 1 that are sequentially connected in this way and disposed at the eaves end are closed by 6 and 6. Note that the eaves rod 1 is supported by an eaves rod suspension 4 fixed to the nose cover plate 8.
[0020]
As shown in FIG. 1, a 90-degree elbow 71, a callout 72 and a 90-degree elbow 71 are sequentially connected to the outflow side connection provided at the lower portion of the eaves cheese 5, and the lower end of the 90-degree elbow 71 The upper end of the flange 7 is adhesively connected. The flanges 7 and 7 are adhesively connected via a flange joint 73. A plurality of places of the eaves 7 are sandwiched by eaves support tools 75 fixed to the outer wall of the building. And the drain pipe cover 74 is attached to the outer periphery of the lower end part of the gutter 7, and the lower end part of the drain pipe cover 74 is inserted into the upper end part of the rising pipe (not shown) of the drain pipe buried in the ground. Thus, the gutter system of the present invention is configured.
[0021]
Next, each component constituting the gutter system will be described.
The eaves 1 is made of rigid polyvinyl chloride resin having a square cross section, and as shown in FIG. 5, a flat bottom wall 11, front walls 12 standing from both sides of the bottom wall 11, and A groove-shaped bag main body 10 is constituted by the rear side wall 13. The front side wall 12 is formed to be slightly inclined outward from the bottom wall 11, and a step part 121 is formed to extend horizontally forward in the middle, and the rear side wall 13 is substantially the same as the bottom wall 11. It is formed at a right angle.
[0022]
A front ear 14 is formed at the upper end of the front side wall 12, and the front ear 14 has a groove 141 that opens to the inside of the heel. The groove 141 has a substantially C-shaped cross section, and a locking claw 142 is formed downward on the upper edge of the opening. A rear ear 15 is formed at the upper end of the rear side wall 13, and the rear ear 15 is provided with a locking projection 151 protruding inward, and on the lower side of the corner portion of the locking projection 151. A narrow (about 2.5 mm) groove 152 is formed. The groove 141 of the front ear 14 and the locking projection 151 of the rear ear 15 serve as a mounting groove and a projection when the eaves rod 1 is mounted on the rod support 4 described later.
[0023]
The eaves joint 2 is made of a hard vinyl chloride resin as in the eaves eaves 1, and is formed in a shape that substantially matches the inner shape of the eaves body 10 as shown in FIG. The groove-shaped joint main body portion 20 is composed of a front ear locking portion 24 and a rear ear locking portion 25 provided at the upper end of the joint main body portion 20.
[0024]
The joint body 20 has a groove shape, and includes a flat bottom wall 21, and front and rear side walls 22 and 23 erected from both sides of the bottom wall 21. The front side wall 22 is formed with a slight inclination toward the outside from the bottom wall 21, and a step part 221 is formed so as to extend slightly inclined forward in the middle part. The rear side wall 23 is formed substantially perpendicular to the bottom wall 21.
[0025]
The upper portion of the front side wall 22 is bent inward to be a receiving surface 222 so as to match the lower surface 143 of the front ear 14 of the eaves 1. A projection 223 having a height of about 0.5 mm is integrally provided along the longitudinal direction of the joint body 20 at the lowermost end side of the receiving surface 222. This protrusion 223 is for forming a drainage groove G for draining rainwater collected in the groove 141 of the front ear 14 of the eaves bowl 1 into the eaves bowl 1, and its height is 0.5-2 mm. It only has to be about. A rectangular hole 224 is formed in the center of the receiving surface 222. Reference numeral 26 denotes a rising piece for preventing the engagement between the front ear 14 of the eaves 1 and the front ear engaging portion 24 of the eaves joint 2 due to a snow load in winter.
[0026]
As shown in FIG. 7, the bent joint 3 (3 a, 3 b) includes a groove-shaped 90-degree bent joint main body 31 and connection parts 32, 32 provided at both ends of the joint main body 31. . The inner surface shape of the connecting portion 32 is a shape that substantially matches the outer surface shape of the eaves rod 1. That is, as shown in FIG.7 (b), the front side wall of the coupling main body 31 is higher than the rear side wall. A locking piece 321 is provided on the inner peripheral surface of the inner portion of the connection portion 32, and a pressing piece 322 is provided on the upper end of both side portions. The bent joint 3 is made of hard vinyl chloride resin. In this case, the bent joint 3a is used at the protruding corner, but there is also a bent joint 3b used at the entering corner.
[0027]
As shown in FIG. 8, the eaves hanger 4 includes an attachment portion 41 and a support member 42, and a front ear holding portion 43 and a rear ear holding portion 44 are provided at both ends of the support member 42. The hook hanging tool 4 is made of polycarbonate resin.
[0028]
As shown in FIG. 1, the eaves cheese 5 includes a groove-shaped joint main body 51 and an outflow side connection portion 52 that protrudes downward from substantially the center of the joint main body 51. An eaves connecting portion 511 is provided at both ends of the joint body 51. A holding piece 512 is provided at the upper end of each side of the eaves connecting portion 511. The eaves cheese 5 is made of hard vinyl chloride resin.
[0029]
As shown in FIG. 1, the eaves stop 6 includes a plate-like stop main body 61 and a connection portion 62 extending on one side of the stop main body 61. The connecting portion 62 has an inner surface shape that matches the outer surface shape of the eaves rod 1. The eaves stop 6 is made of hard vinyl chloride resin. There are two types of eaves anchors 6, 6a for the right side and 6b for the left side.
[0030]
Next, a procedure for constructing the gutter system of the present invention at the eaves of the building shown in FIG. 2 will be described.
[0031]
In this case, the construction is started from the bent corner shown in FIG.
First, after arranging a plurality of eaves hooks 4 on the nose cover plate 8 of the building and determining the mounting position, the mounting portion 41 of the eaves hanger 4 is screwed and attached with a fixing tool such as a screw.
[0032]
Next, the eaves rods 1a and 1b are attached to the nose cover plate 8 using the eaves hanger 4 so as to be orthogonal to each other on both sides of the bent corner. That is, the rear ears 15 of the eaves rods 1a and 1b are fitted and locked to the rear ear holding portions 44 of the eaves rod suspensions 4, and the eaves rods 1a and 1b are rotated in the clockwise direction around the rear ears 15 and 15. And the front ears 14 and 14 of the eaves rods 1a and 1b are fitted and locked to the front ear holding portion 43 of the eaves rod hanger 4 (see FIGS. 8A and 8C). . At that time, a gap is made between the eaves rod 1a and the eaves rod 1b so that the bent joint 3b for the corners can be arranged.
[0033]
And an adhesive agent is apply | coated to the internal peripheral surface of the connection parts 32 and 32 of the bend joint 3b, the bend joint 3b which apply | coated this adhesive is supported by hand, and it arrange | positions in a bend corner, and one connection part 32 is provided. Insert the end of the eaves 1a. Next, the end portion of the eaves 1b is inserted into the other connection portion 32. In addition, the left eaves latch stop 6b is previously adhere | attached on the outer peripheral surface of the edge part of the eaves rod 1a located in the opposite side to the connection part 32 of the bending joint 3b.
[0034]
Next, the eaves eaves 1c is arranged on the right side of the eaves eaves 1b, and the end faces of the eaves eaves 1b and 1c are brought into contact with each other. And an adhesive agent is apply | coated to the outer peripheral surface of the both ends of the eaves joint part 10 of the eaves joint 2, and as shown in FIG.8 (b), the upper end part of the rear side wall 23 of the eaves joint 2 which apply | coated this adhesive The rear ear locking portion 25 provided on the rear end of the eaves 1b and 1c is fitted and locked in a groove 152 provided on the lower side of the corners of the rear ears 15 and 15 of the eaves rod 1b and 1c.
[0035]
Next, as shown in FIG. 8 (c), the eaves ridges 1b and 1c are rotated clockwise around the rear ears 15 and 15, and the front ears 14 and 14 of the eaves ridges 1b and 1c are moved to the eaves hangers. The front ear holding part 43 of 4 and the front ear locking part 24 of the eaves joint 2 are fitted and locked.
[0036]
The eaves eaves 1d is arranged at a predetermined interval (about 85 mm) on the right side of the eaves eaves 1c. Then, the eaves cheese 5 is connected between the eaves ridges 1c and 1d facing each other. Specifically, the holding pieces 512 and 512 on the front side of the eaves cheese 5 are hooked and locked on the front ears 14 and 14 of the eaves 1c and 1d, and the eaves cheese 5 is rotated counterclockwise around the front ears 14 and 14. Rotate in the direction, and the holding pieces 512 and 512 on the rear side of the eaves cheese 5 are hooked and locked on the rear ears 15 and 15 of the eave basket 1c and 1d.
[0037]
In this case, if the eaves bowl 1c is a irregular scale cut from a fixed eaves fence to a predetermined length by a gold saw or the like at the construction site, the end of the cut side is the end of the eaves cheese 5 Connect with the part. That is, the end surface of the eaves rod 1c that comes into contact with the end surface of the eaves rod 1b is an end surface that is cut to a fixed length in the extrusion manufacturing process of the eaves rod.
[0038]
In this way, by connecting the cut end portion side of the eave ridge 1c cut at the construction site to the end portion of the eave cheese 5, even if the eave ridge 1c is cut obliquely at the construction site, for example, No gap is generated between the end faces of the eaves ridges in which the end faces of the eave ridges 1b and 1c that are adhesively connected via 2 are abutted. As a result, the appearance of the connecting portion between the eaves 1b and 1c is good.
[0039]
In addition, when the eaves rod 1b connected to the connection part 32 of the said bending joint 3b is the thing of the irregular scale cut | disconnected in the construction site, the eaves rod 1b was cut | disconnected similarly to the case of the said eaves rod 1c. What is necessary is just to connect the edge part of the side with the connection part 32 of the bending joint 3b.
[0040]
Next, the connecting part 32 of the bent joint 3a for the corner is connected to the right end of the eaves rod 1d. Specifically, an adhesive is applied to the inner peripheral surfaces of the connecting portions 32 and 32 of the bent joint 3a, and the bent joint 3a to which the adhesive is applied is supported by the hand and arranged at the bent corner. The right end of the eaves 1d is inserted into the connecting part 32. At this time, since the left end of the eaves 1d is connected to the end of the eaves cheese 5, the eaves 1d and the bent joint 3a are bonded to each other while exchanging the left end of the eaves 1d in the eaves cheese 5. Connection can be made.
[0041]
Next, the left end portion of the eaves 1e is inserted into the right connection portion 32 of the bent joint 3a to be adhesively connected. Similarly, the other eaves is connected to the right side of the eaves eaves 1e through the eaves eaves joint 2. By repeating this operation, as shown in FIG. 2, the eaves rod 1 connected via the eaves joint 2 or the eaves cheese 5 is arranged by the eaves hanger 4 in front of the nose cover plate 8 at the eaves. Set up.
[0042]
In this way, after the eaves bowl 1 is completely disposed at the eaves of the building, as shown in FIG. 2, the 90 ° elbow 71, the callout 72, and the 90 ° elbow are connected to the outflow side connection portion 52 of the eaves cheese 5. 71 are sequentially connected. The upper end portion of the flange 7 is adhesively connected to the lower end portion of the 90-degree elbow 71, and another flange 7 is adhesively connected to the lower end portion of the flange 7 via the flange joint 73. Several parts of the eaves 7 and 7 are clamped and fixed by the eaves support 75 fixed to the outer wall of the building.
[0043]
Then, a drain pipe cover 74 is attached to the outer periphery of the lower end portion of the lower rod 7, and the drain tube cover 74 is slid upward along the lower rod 7. When a gap is formed between the lower end of the drain pipe cover 74 and the upper end of the rising pipe of the drain pipe buried in the ground, the drain pipe cover 74 is slid downward, and the lower inner cylinder of the drain pipe cover 74 Is inserted into the upper end of the riser pipe of the drainage pipe to complete the construction of the rain gutter system of the present invention.
[0044]
In the case of the eaves joint 2 in the above embodiment, as shown in FIG. 6, a receiving surface 222 is formed on the upper portion of the front side wall 22 of the joint body 20, and a protrusion 223 is provided on the lowermost end side of the receiving surface 222. Therefore, in the state of being fitted and bonded in the end portion of the eaves rod 1, as shown in FIG. 11, there is a drainage groove between the lower surface 143 on the eave rod 1 side and the receiving surface 222 on the eaves rod joint 2 side. G will be formed. As a result, rainwater that accumulates in the groove 141 of the front ear 14 of the eaves bowl 1 flows on the receiving surface 222 through the drainage groove G and flows into the eaves bowl 1 through the hole 224 that is drilled in the approximate center of the receiving surface 222. .
[0045]
Further, when the eaves rod 1 and the eaves rod joint 2 are connected, for example, even if a slight gap is generated between the contact end surfaces of the adjacent eave rods 1 and 1, as shown in FIG. Since the protrusion 223 provided at the lowermost end has a function as a weir, the rain water that has flowed into the gap from the groove 141 of the front ear 14 of the eave ridge 1 on the upper side of the water flows on the receiving surface 222 along the protrusion 223. The flow then flows into the eaves 1 through the hole 224 of the eaves joint 2. For this reason, it is possible to prevent rainwater from leaking to the outer surface side of the eaves rod 1 through a gap formed between the contact end surfaces of the adjacent eaves rods 1, 1. For example, in cold regions and snowy regions, it is possible to prevent the generation of icicles that have occurred in the gaps.
[0046]
Further, as shown in FIG. 11, the front surface of the locking claw 142 of the front ear 14 is covered with the rising piece 26, so that the front ear 14 and the front ear locking portion 24 of the eaves 1 are affected by the snow load in winter. Can be prevented from being disengaged. For this reason, breakage and destruction of the eaves rod 1 can be prevented, and the snow load resistance is excellent.
[0047]
FIG. 10 is a perspective view showing a modified example of the eaves joint.
In the case of this eaves joint 2A, as shown in FIG. 10, the receiving surface 222 formed in the upper part of the front side wall 22 of the joint main-body part 20 is made into the inclined surface of a downward slope toward the both ends from the center. In addition, about the same part as the eaves joint 2 of the said FIG. 6, the same code | symbol is attached | subjected and description is abbreviate | omitted.
[0048]
In the case of this eaves joint 2A, in the state where it is fitted and bonded in the end portion of the eaves ridge 1, as shown in FIG. 12, between the lower surface 143 on the eave ridge 1 side and the receiving surface 222 on the eave ridge joint 2 side. The drainage groove G is formed in. In this case, the depth of the drainage groove G gradually increases from the center of the receiving surface 222 toward both ends. Since the receiving surface 222 is inclined downward from the center toward both ends, rainwater collected in the groove 141 of the front ear 14 of the eaves 1 flows down to the center of the receiving surface 222 and then receives the rainwater. It flows on both sides of the surface 222 and flows into the eaves 1 through both ends of the receiving surface 222.
[0049]
Further, when connecting the eaves rod 1 and the eaves rod joint 2A, for example, even if a slight gap is generated between the contact end surfaces of the adjacent eave rods 1 and 1, as shown in FIG. Since the protrusion 223 provided at the lowermost end has a function as a weir, the rain water that has flowed into the gap from the groove 141 of the front ear 14 of the eave ridge 1 on the upper side of the water flows on the receiving surface 222 along the protrusion 223. It flows to both sides and flows into the eaves 1 through both ends of the receiving surface 222. For this reason, it is possible to prevent rainwater from leaking to the outer surface side of the eaves rod 1 through the gap formed between the contact end surfaces of the adjacent eaves rods 1 and 1.
[0050]
FIG. 13 is a perspective view showing another modification of the eaves joint.
In the case of this eaves joint 2B, as shown in FIG. 13, an inverted J-shaped recess 22a projecting into the joint body 20 is provided in the middle of the front side wall 22 located below the receiving surface 222. Except for this, it is basically the same as the eaves joint 2 shown in FIG. About the same part as the eaves joint 2 of FIG. 6, the same code | symbol is attached | subjected and description is abbreviate | omitted.
[0051]
The eaves to which this eaves joint 2B is applied is as shown in FIG. The eaves bowl 1A is basically the same as the eaves bowl 1 in FIG. 5 except that an inverted J-shaped depression 12a projecting into the main body 10 is provided in the middle of the front side wall 12. About the same part as the eaves bowl 1 of the Example of FIG. 5, the same code | symbol is attached | subjected and description is abbreviate | omitted.
[0052]
【Effect of the invention】
In the present invention according to claim 1, portions connecting the eaves gutter and eaves gutter in the gutter system, butting the end faces of the non-cutting edge side, extends over between the ends of the butted eaves gutters As described above, since the eaves joint is mounted and adhesively connected along the inner surface of the eaves, no stepped portion is formed on the outer surface of the connection portion between the eaves, and the appearance of the eaves is good.
[0053]
Moreover , since the cut end side of the eave ridge cut at the construction site is connected to the end of the water collector or the bent joint using a predetermined cutting jig, for example, the eave ridge is cut slightly obliquely. However, no gap is generated between the end faces of the eaves ridges where the end faces of the eaves butt-bonded via the heel joints are butted together. For this reason, the appearance of the design appearance of the connection part between eaves is good.
[0054]
Also, the eaves has an ear formed at the upper end of the heel body, and an inwardly open groove is formed on the inner surface of the ear , and the heel joint has an outer surface shape of the inner surface of the heel body. A joint body formed in a shape that substantially matches the joint body, and an ear locking portion provided at the upper end of the joint body, and a lower surface portion of the front ear of the eaves ridge and a receiving surface on the eaves ridge joint side And a drainage groove formed at the upper end of the front side wall, even when a slight gap is formed between the end faces of adjacent eaves when connecting eaves, the outside of the eaves through the gap Leaking rainwater can be drained into the eaves through the drain.
[Brief description of the drawings]
FIG. 1 is an exploded perspective view showing a rain gutter system of the present invention.
FIG. 2 is a plan view showing a roof surface of a building to which the rain gutter system of FIG. 1 is applied.
FIG. 3 is a plan view showing a state in which the rain gutter system shown in FIG. 1 is partially attached to the eaves.
4 is an enlarged cross-sectional view taken along line XX in FIG.
FIG. 5 is a front view showing the eaves bowl in FIG. 1;
6 is a perspective view showing an eaves joint in FIG. 1. FIG.
7 is a plan view and a front view showing a bent joint for a protruding corner in FIG. 1. FIG.
FIG. 8 is an explanatory view showing a method for connecting the eaves and the eaves joint.
FIG. 9 is an explanatory view showing a connection state between the eaves and the eaves joint.
FIG. 10 is a perspective view showing a modification of the eaves joint.
11 is an enlarged cross-sectional view showing the main part of FIG. 9;
12 is an explanatory view showing a use state of the eaves joint of FIG.
FIG. 13 is a perspective view showing another modification of the eaves joint.
14 is a front view showing an eaves to which the eaves joint of FIG. 13 is applied.
[Explanation of symbols]
1 eaves 10 eaves body part 12 front side wall 14 front ear 2 eaves joint 20 joint body 24 front ear locking part 3, 3a, 3b bent joint 4 eaves suspension 41 attachment part 42 support member 5 eaves cheese Water collector)
51 Joint body 511 Eaves connection part 52 Outlet connection part 6 Eaves stop 7 竪樋 8 Nose cover plate G Drainage groove

Claims

An eaves rod is provided along the eaves of the roof, connected by a bending joint at the corner of the eaves, and the end of the eaves is connected to the end of the water collector provided at a predetermined location. In the rain gutter system with the top of the gutter connected to the bottom,
The cut end side of the eaves cut at the construction site is connected to the end of the water collector or the bent joint, and the place connecting the eaves and the eaves in the rain gutter system is not the cut end abutting the end faces, so as to straddle between the ends of the abutted eaves gutters are adhered connected gutter joint is mounted along the inner surface of the eaves gutter,
The eaves are formed with an ear at the upper end of the heel body, and an inwardly open groove is formed on the inner surface of the ear, and the heel joint has an outer shape on the inner surface of the heel body. And a joint main body formed in a shape that substantially matches, and an ear locking part provided at the upper end of the joint main body,
The upper part of the front side wall of the joint body part is bent inward so as to match the lower surface of the front ear of the eaves ridge, and a projection is formed along the longitudinal direction of the joint body part on the lowermost side of the receiving surface. And a rectangular hole is perforated at substantially the center of the receiving surface, and the joint main body portion is retained in the groove of the front ear of the eaves with the joint body being fitted and bonded in the end of the eaves. Rain water flows on the receiving surface and flows into the eaves through the hole, and has a lower surface portion of the front ear of the eaves and a drainage groove formed by the receiving surface on the eaves joint side and the upper end of the front side wall. A rain gutter system characterized by that.