JP2004019885A

JP2004019885A - Drain pipe fittings

Info

Publication number: JP2004019885A
Application number: JP2002179086A
Authority: JP
Inventors: Naoshi Shimoda; 霜田　直志
Original assignee: Maezawa Kasei Industries Co Ltd
Current assignee: Maezawa Kasei Industries Co Ltd
Priority date: 2002-06-19
Filing date: 2002-06-19
Publication date: 2004-01-22

Abstract

【課題】排水設備からの排水が床下排水管までの施工が容易で、管路で溜まり、或いは、管路内で詰まりが生じることなく、排水管が円滑に流れる。
【解決手段】管継ぎ手本体１０は下流側接続部１１の端面に下流側接続口１２を開口するとともに上流側接続部１３の端面に上流側接続口１４を開口し、管継ぎ手本体１０の上流側接続口１４の臨ませて上流側接続口に差し込んだ上流側被接続管１９の外周面に圧接する弾性密封環２１を装着する。管継ぎ手本体１０の外周部には管継ぎ手本体１０を固定する固定手段のフランジ２２を設ける。管継ぎ手本体１０の上流側接続口１４の内径は、上流側被接続管１９の外径の寸法より大きい寸法とし、上流側接続口１４に上流側被接続管１９を抜き差し自在とする。
【選択図】　　　　図１An object of the present invention is to easily drain water from a drainage facility to an underfloor drainage pipe and to smoothly flow the drainage pipe without accumulating in the pipeline or clogging in the pipeline.
A pipe joint body (10) has a downstream connection port (12) opened at an end face of a downstream connection section (11) and an upstream connection port (14) opened at an end face of an upstream connection section (13). An elastic sealing ring 21 is attached to the outer peripheral surface of the upstream connected pipe 19 inserted into the upstream connection port so as to face the connection port 14. A flange 22 of fixing means for fixing the pipe joint body 10 is provided on the outer peripheral portion of the pipe joint body 10. The inner diameter of the upstream connection port 14 of the pipe joint body 10 is larger than the outer diameter of the upstream connection pipe 19, and the upstream connection pipe 19 can be freely inserted into and removed from the upstream connection port 14.
[Selection diagram] Fig. 1

Description

【０００１】
【発明の属する技術分野】
本発明は、流し台、洗面台などの排水を流出させる上流側被接続管と床下に配管された下流側被接続管とを接続する排水管の管継ぎ手に関する。
【０００２】
【従来の技術】
従来は、図６に示すように流し台、洗面台などの排水設備１に接続される上流側の排水管は蛇腹管２にて形成され、この蛇腹管２の下流開口端は床面３から立ち上げられている塩化ビニル樹脂にて成型した床下排水管４の上端接続口に差込み接続し、この床下に配管した下流側床下排水管４の上端接続口に嵌着したパッキング５が前記蛇腹管２の外周面に密着して密封接続する方法が採られている。
【０００３】
【発明が解決しようとする課題】
しかしながら、図６に示す配管方法では、蛇腹管２はその可撓性により中間部が弛み、蛇腹管２の中間部に水が溜まり易いとともに蛇腹管２内で詰まりが生じ易く、二重トラップ現象が起き、排水が円滑に行なわれなくなるおそれがあり、また、蛇腹管２と塩化ビニル樹脂の床下に配管した床下排水管４との接続部から水漏れが生じるという問題を有していた。
【０００４】
本発明は、上記問題点に鑑みなされたもので、排水設備からの排水が床下に配管した排水管までの管路内に溜まり、或いは、管路内で詰まりが生じることなく、排水が円滑に流れるように、蛇腹管を用いずに排水設備に接続した塩化ビニル管などの上流側排水管を床下に配管した下流側排水管に容易に接続できる排水管の管継ぎ手を提供することを目的とする。
【０００５】
【課題を解決するための手段】
請求項１記載の発明の排水管の管継ぎ手は、一端下流側接続部の端面に下流側接続口を開口するとともに他端上流側接続部の端面に上流側接続口を開口した管継ぎ手本体を備え、この管継ぎ手本体の上流側接続口に臨ませてこの上流側接続口に差し込まれた上流側被接続管の外周面に圧接される弾性密封環を装着し、この管継ぎ手本体の外周部には前記下流側接続部と上流側接続部との間に位置して床面にこの管継ぎ手本体を固定する固定手段を設け、前記管継ぎ手本体の上流側接続口の内径は、上流側被接続管の外径の寸法より大きい寸法とし、この上流側被接続管を前記管継ぎ手本体の上流側接続口に抜き差し自在に嵌挿し、前記上流側被接続管の差込み長さを調節可能としたものである。
【０００６】
そして、排水設備にエルボ、接続管などを介して接続した塩化ビニル樹脂などの上流側被接続管を床面に固定手段にて固定した管継ぎ手本体の上流側接続口に差込み接続する際に、エルボ、接続管などを仮配管し、上流側被接続管を管継ぎ手本体の上流側接続口に差込み接続できる長さを考慮して切断し、上流側被接続管の下流側を管継ぎ手本体の上流側接続口に接続状態よりも長く差込んだ状態とし、この状態で排水設備から仮配管したエルボ、接続管などを接着固定し、上流側被接続管の上流側開口端部の外周面に接着剤を塗布する。
【０００７】
この状態で、上流側被接続管の上流側開口端部をエルボなどの接続口内部に形成した係合段部に当接するまで上流側被接続管を管継ぎ手本体の上流側接続口から引き抜きながらこの上流側被接続管をエルボなどに差込み接続することにより、上流側被接続管をエルボなどを介して排水設備に接続することができるので、上流側被接続管の厳格な寸法精度を必要とせずに容易に接続でき、排水設備から床下排水管までの排水が管路内で溜まり、或いは、管路内で詰まりが生じることなく、排水が円滑に流れるように、蛇腹管を用いずに排水設備に接続した塩化ビニル管などの上流側被接続管を床下に配管した下流側被接続管に容易に接続できる
請求項２記載の発明の排水管の管継ぎ手は、請求項１記載の排水管の管継ぎ手において、管継ぎ手本体の固定手段は、この管継ぎ手本体の外周部に突設したフランジにて形成したものである。
【０００８】
そして、管継ぎ手本体はフランジを利用して床面に固定でき、床面に開口した下流側被接続管を接続した状態で容易に床面に固定できる。
【０００９】
請求項３記載の発明の排水管の管継ぎ手は、請求項１または２に記載の排水管の管継ぎ手において、管継ぎ手本体の上流側接続部の外周面に形成したねじ部に螺合される締め付け環の端縁に内側に突出する締め付け縁を形成するとともにこの締め付け縁の内周縁にて上流側被接続管を嵌挿する嵌挿口を形成し、前記管継ぎ手本体の上流側接続部の端縁と前記締め付け環の上端締め付け縁との間に弾性密封環を装着したものである。
【００１０】
そして、締め付け環の上流側嵌挿口から管継ぎ手本体の上流側接続口に上流側被接続管の下流側開口端部を差し込んで締め付け環を締め付け螺合することにより弾性密封環が締め付けられて上流側被接続管の外周面に圧着され、液密に容易に上流側被接続管を接続でき、下流側被接続管側からの臭気が漏洩することがない。
【００１１】
請求項４記載の発明の排水管の管継ぎ手は、請求項１ないし３のいずれかに記載の排水管の管継ぎ手において、管継ぎ手本体の上流側接続口から下流側接続部に向って拡径した傾斜状の拡径部を介してこの管継ぎ手本体の内径寸法を上流側被接続管の外径寸法より拡径した寸法の内径とし、この上流側接続口に挿通した上流側被接続管の角度を調節可能としたものである。
【００１２】
そして、管継ぎ手本体の上流側接続口に差込み接続した上流側被接続管の下流側開口端部は、管継ぎ手本体の傾斜状の拡径部に沿って任意の方向に傾斜でき、角度調整が容易にできるため、上流側被接続管の接続が容易にできる。
【００１３】
請求項５記載の発明の排水管の管継ぎ手は、請求項１ないし４のいずれかに記載の排水管の管継ぎ手において、管継ぎ手本体は上流側接続口から下流側接続口まで上流側被接続管を抜き差し自在としたものである。
【００１４】
そして、排水設備にエルボ、接続管などを介して接続した塩化ビニル樹脂などの上流側被接続管を床面に固定手段にて固定した管継ぎ手本体の上流側接続口に差込み接続する配管施工において、エルボ、接続管などを仮配管し、上流側被接続管を管継ぎ手本体の上流側接続口に差込み接続できる長さを考慮して切断し、上流側被接続管の下流側を管継ぎ手本体の上流側接続口に差込み、排水設備から仮配管したエルボ、接続管などを接着固定する。
【００１５】
次いで、上流側被接続管の上流側端部の外周面に接着剤を塗布し、上流側被接続管を管継ぎ手本体の上流側接続口から引き抜きながら、上流側被接続管の上流側開口端部をエルボなどの接続口内部に形成した係合段部に当接させるまで差し込むことにより、上流側被接続管をエルボなどを介して排水設備に接続することができ、上流側被接続管の厳格な寸法精度を必要とせずに容易に接続でき、管継ぎ手本体は上流側接続口から下流側接続口まで上流側被接続管を抜き差し自在となっているので、管継ぎ手本体の長さに比べて管継ぎ手本体の上流側接続口に上流側被接続管を長く差し込むことができ、管継ぎ手本体の上流側接続部から下流側接続部までの長さを短くでき、安価に製造できる。
【００１６】
請求項６記載の発明の排水管の管継ぎ手は、請求項１ないし５のいずれかに記載の排水管の管継ぎ手において、管継ぎ手本体の下流側接続部の外径は、床面に開口した前記下流側被接続管の内径の寸法より小さい寸法とし、この床面に開口した下流側被接続管の上流側開口端部に前記管継ぎ手本体の下流側接続部を嵌挿して接着結合するものである。
【００１７】
そして、管継ぎ手本体の下流側接続部を下流側被接続管の上流側開口端の内側に嵌挿接着できるので、床面に開口する下流側被接続管の上流側開口端部を臨ませる孔は下流側被接続管の外径に合わせればよく、下流側被接続管の上流側開口端部を臨ませる孔を管継ぎ手本体の下流側接続部が挿入できるように、下流側被接続管の上流側開口端部を臨ませる孔の周囲に隙間ができる大きな径とする必要がなく、下流側被接続管に管継ぎ手本体を液密に容易に接続でき、下流側被接続管側からの臭気が漏洩することがない。
【００１８】
請求項７記載の発明の管継ぎ手は、請求項１ないし５のいずれかに記載の排水管の管継ぎ手において、管継ぎ手本体の下流側接続口の外周面に下流側被接続管の内周面に圧接される弾性密封環を装着し、この管継ぎ手本体の下流側接続部の外径は、床面に開口した前記下流側被接続管の内径の寸法より小径寸法とし、この管継ぎ手本体の下流側接続部を床面に開口した前記下流側被接続管の上流側開口端部から抜き差し自在に嵌挿するものである。
【００１９】
そして、下流側被接続管に継ぎ手本体の下流側接続部を差込み接続することにより下流側被接続管の内周に弾性密封環が密着され、接着などを行なうことなく、下流側接続部の外側に装着した弾性密封環により液密に接続でき、下流側被接続管の高い寸法精度を必要とせず、下流側被接続管からの液漏れを防止できるとともに臭気が漏洩することがない。
【００２０】
【発明の実施の形態】
次に、本発明の排水管の管継ぎ手の一実施の形態について図１を参照して説明する。
【００２１】
図１において、塩化ビニル樹脂などの合成樹脂にて略細長円筒形状に成型された管継ぎ手本体１０は、一端下流側接続部１１の端面に下流側接続口１２が開口するとともに他端上流側接続部１３の端面に上流側接続口１４が開口されている。この管継ぎ手本体１０の上流側接続部１３の外周面にはねじ部１５が形成され、この上流側接続部１３に嵌着されるナット状の締め付け環１６の内周面には前記ねじ部１５に螺合されるねじ溝１７が形成されている。この締め付け環１６の端縁には径方向に向って内側に突出する締め付け縁１８が形成されるとともにこの締め付け縁１８の内周縁にて上流側被接続管１９を嵌挿する嵌挿口２０が形成される。
【００２２】
そして、前記管継ぎ手本体１０の上流側接続部１３の端縁と前記締め付け環１６の上端締め付け縁１８との間に弾性密封環２１が装着されることにより、この管継ぎ手本体１０の上流側接続口１４に臨ませて弾性密封環２１が装着される。
【００２３】
また、この管継ぎ手本体１０の外周部には前記下流側接続部１１と上流側接続部１３との間に位置して床面にこの管継ぎ手本体１０を固定する固定手段となるフランジ２２が環状に一体に設けられ、このフランジ２２には床面２３に固定するための取付け孔２４が複数個所に形成されている。
【００２４】
そして、この管継ぎ手本体１０の下流側接続部１１は前記フランジ２２位置より下流側に位置して拡径され、この管継ぎ手本体１０の内周面にはフランジ２２の内側に位置して嵌挿された上流側被接続管１９の下流側開口端部を当接し上流側被接続管１９の過挿入を防止する係合突縁２２ａが形成されている。
【００２５】
さらに、前記管継ぎ手本体１０の上流側接続口１４の内径は、上流側被接続管１９の外径の寸法より大きい寸法とし、この上流側接続口１４に上流側被接続管１９が抜き差し自在に嵌挿できるようになっており、この上流側被接続管１９の差込み長さを調節可能となっている。
【００２６】
また、前記管継ぎ手本体１０の下流側接続部１１の内径は、図５に示す床面２３に開口した下流側被接続管２５の外径の寸法より多少大きい寸法とし、床面２３に開口した下流側被接続管２５を前記管継ぎ手本体１０の下流側接続部１１に嵌挿して接着結合される。
【００２７】
次にこの実施の形態の作用を説明する。
【００２８】
図５に示すように、床下に配管される下流側被接続管２５の上流側接続口２６を床面２３に開口させ、この下流側被接続管２５の上流側接続口２６に管継ぎ手本体１０の下流側接続部１１を嵌合接着して、下流側被接続管２５に管継ぎ手本体１０を接続し、フランジ２２の取付け孔２４に挿通したビスなどにて管継ぎ手本体１０を床面２３に固定する。
【００２９】
次いで、流し台、洗面台など排水設備２７のトラップ２８に第１のエルボ３１を仮接続するとともにこの第１のエルボ３１に塩化ビニル樹脂などの接続管３２を仮接続し、この接続管３２に第２のエルボ３３を仮接続してこの第１のエルボ３１、接続管３２及び第２のエルボ３３を仮配管し、この第２のエルボ３３から管継ぎ手本体１０までの長さに差込み長さを加えた長さ寸法に塩化ビニル樹脂などにて成型した上流側被接続管１９を切断する。
【００３０】
次いで、上流側被接続管１９の下流側開口端部を、床面２３に固定されている管継ぎ手本体１０の上流側接続部１３に嵌着されている締め付け環１６の嵌挿口２０から管継ぎ手本体１０の上流側接続口１４に長く差込んだ状態にしてから、第１のエルボ３１、接続管３２及び第２のエルボ３３を接着接続してトラップ２８に接続する。
【００３１】
次いで、上流側被接続管１９の上流側開口端部の外周面に接着剤を塗布して、上流側被接続管１９を管継ぎ手本体１０の上流側接続口１４から引き抜きながら上流側被接続管１９の上流側開口端部を第２のエルボ３３に差込み、この第２のエルボ３３の内周部に形成されている係合段部に当接するまで上流側被接続管１９に嵌挿する。
【００３２】
さらに、締め付け環１６を締め付け螺合することにより弾性密封環２１が締め付けられて上流側被接続管１９の外周に圧着され、上流側被接続管１９を管継ぎ手本体１０の上流側接続口１４に液密に接続でき、下流側被接続管２５の床下排水管側からの臭気が漏洩することがない。
【００３３】
このように、上流側被接続管１９を管継ぎ手本体１０の上流側接続口１４に抜き差し自在に差込み、上流側被接続管１９の差込み長さを調節可能としたため、厳格な寸法精度を必要とせずに容易に管継ぎ手本体１０に上流側被接続管１９を接続できる。
【００３４】
また、排水設備２７から管継ぎ手本体１０とは塩化ビニル樹脂などの上流側被接続管１９により接続できるため、排水設備２７から床下の下流側被接続管２５までの排水が管路内で溜まり、或いは、排水管路内で詰まりが生じることなく、排水が円滑に流れ、蛇腹管を用いずに排水設備２７に接続した塩化ビニル管などの上流側被接続管１９を床下に配管した下流側被接続管２５に容易に接続できる。
【００３５】
さらに、締め付け環１６に上流側被接続管１９を嵌挿して締め付け環１６を締め付け螺合することにより弾性密封環２１が締め付けられて上流側被接続管１９の外周面に圧着されるので、液密に容易に上流側被接続管１９を接続できるとともに、管継ぎ手本体１０の下流側接続部１１を下流側被接続管２５に嵌挿接着することにより、床下の下流側被接続管２５からの臭気が漏洩することがなく、管継ぎ手本体１０に液密にかつ容易に下流側被接続管２５を接続できる。
【００３６】
次に、他の実施の形態を図２に基いて説明する。
【００３７】
この実施の形態は前記図１に示す実施の形態において、管継ぎ手本体１０は上流側接続口１４から下流側接続口１２まで上流側被接続管１９を上流側接続口１４から抜き差し自在とし、管継ぎ手本体１０の長さ寸法を前記図１に示す実施の形態の管継ぎ手本体１０の略３分の１の長さ寸法とし、さらに、管継ぎ手本体１０の下流側接続部１１の外径は、床面に開口した下流側被接続管２５の内径の寸法より小さい寸法とし、この床面に開口した下流側被接続管２５の上流側開口端部に前記管継ぎ手本体１０の下流側接続部１１を嵌挿して接着結合する構成としたもので、他の構成は前記図１に示す実施の形態と同一である。
【００３８】
次に、この実施の形態の作用を説明する。
【００３９】
図５に示す排水設備２７の第１のエルボ３１、接続管３２及び第２のエルボ３３などを介して接続する塩化ビニル樹脂などの上流側被接続管１９を床面にフランジ２２にて固定した管継ぎ手本体１０の上流側接続口１４に差込み接続する配管施工において、第１及び第２のエルボ３１，３３、接続管３２などを仮配管し、上流側被接続管１９を管継ぎ手本体１０の上流側接続口１４に差込み接続できる長さを考慮して切断し、上流側被接続管１９の下流側を管継ぎ手本体１０の上流側接続口１４に締め付け環１６の上流側の嵌挿口２０を介して差込み、排水設備２７から仮配管した第１及び第２のエルボ３１，３３、接続管３２などを接着固定する。
【００４０】
次いで、上流側被接続管１９の上流側開口端部の外周面に接着剤を塗布し、上流側被接続管１９を管継ぎ手本体１０の上流側接続口１４から引き抜きながら、上流側被接続管１９の上流側開口端部を第２のエルボ３３などの接続口内部に形成した係合段部に当接するまで差し込むことにより、上流側被接続管１９を第１及び第２のエルボ３１，３３などを介して排水設備２７に接続することができ、上流側被接続管１９の厳格な寸法精度を必要とせずに容易に接続できる。
【００４１】
この管継ぎ手本体１０は上流側接続口１４から下流側接続口１２まで上流側被接続管１９を抜き差し自在となっているので、管継ぎ手本体１０の長さに比べて管継ぎ手本体１０の上流側接続口１４に上流側被接続管１９を長く差し込むことができ、管継ぎ手本体１０の上流側接続部１３から下流側接続部１１までの長さを短くでき、安価に製造できる。
【００４２】
さらに、管継ぎ手本体１０の下流側接続部１１を下流側被接続管２５の上流側開口端の内側に嵌挿接着できるので、床面に開口する下流側被接続管２５の上流側開口端部を臨ませる孔は下流側被接続管２５の外径に合わせればよく、下流側被接続管２５の上流側開口端部を臨ませる孔３５を管継ぎ手本体１０の下流側接続部が挿入できるように、下流側被接続管２５の上流側開口端部を臨ませる孔３５の周囲に隙間ができる大きな径とする必要がなく、下流側被接続管２５に管継ぎ手本体１０を液密に容易に接続でき、下流側被接続管２５側からの臭気が漏洩することがない。
【００４３】
この図２に示す実施の形態の他の作用は図１に示す作用と同一である。
【００４４】
さらに、他の実施の形態を図３に基づいて説明する。
【００４５】
図１に示す実施の形態において、管継ぎ手本体１０の上流側接続口１４の内径は縁端に向って拡径され、この上流側接続口１４の狭少部２９の内径寸法は上流側被接続管１９の外径寸法よりと大きいやや大きい寸法とし、この上流側接続口１４から下流側接続部１１に向って拡径した傾斜状の拡径部１３ａを介してこの管継ぎ手本体１０の内径寸法を上流側被接続管１９の外径寸法より拡径した寸法の内径とし、この上流側接続口１４に挿通した上流側被接続管１９の角度を調節可能となっている。
【００４６】
また、この管継ぎ手本体１０の上流側接続口１４の内周部には弾性密封環２１の嵌着凹部３０が形成され、この嵌着凹部３０に装着される弾性密封環２１の内周部には上流側被接続管１９の外周面に密着されるリップ２１ａが形成されている。
【００４７】
他の構成は図１に示す実施の形態と同一である。
【００４８】
この実施の形態の作用を説明する。
【００４９】
図３に示すこの実施の形態は、管継ぎ手本体１０の上流側接続口１４に差込み接続した上流側被接続管１９の下流側開口端部は、管継ぎ手本体１０の傾斜状の拡径部１３ａに沿って任意の方向に傾斜でき、角度調整が容易にできるため、上流側被接続管の接続が容易にできる。
【００５０】
他の作用は図１に示す実施の形態と同一である。
【００５１】
さらに、他の実施の形態を図４に基づいて説明する。
【００５２】
図４に示す実施の形態は、管継ぎ手本体１０の下流側接続口１２の外周面に下流側被接続管２５の内周に圧接される弾性密封環２１を装着し、この管継ぎ手本体１０の下流側接続部１１の外径は、床面に開口した前記下流側被接続管２５の外径の寸法より小径寸法としたものである。
【００５３】
他の構成は図１に示す実施の形態と同一である。
【００５４】
そして、下流側被接続管２５に管継ぎ手本体１０の下流側接続部１１を差込み接続することにより下流側被接続管２５の内周に弾性密封環２１が密着され、接着などを行なうことなく、下流側接続部１１の外側に装着した弾性密封環２１により液密に接続でき、下流側被接続管２５の高い寸法精度を必要とせずに、下流側被接続管２５からの液漏れを防止できるとともに臭気が漏洩することがない。
【００５５】
他の作用は図１に示す実施の形態と同一である。
【００５６】
【発明の効果】
請求項１記載の発明によれば、上流側被接続管の厳格な寸法精度を必要とせずに容易に排水設備に接続した上流側被接続管を接続でき、配管施工が容易となり、排水設備から床下に配管される排水管までの排水が管路内で溜まり、或いは、管路内で詰まりが生じることなく、排水が円滑に流れるように、蛇腹管を用いずに排水設備に接続した塩化ビニル管などの上流側被接続管を床下に配管した下流側被接続管に容易に接続できる。
【００５７】
また、請求項２記載の発明によれば、管継ぎ手本体はフランジを利用して床面に固定でき、床面に開口した下流側被接続管を接続した状態で容易に床面に固定できる。
【００５８】
さらに、請求項３記載の発明によれば、締め付け環の上流側接続口に上流側被接続管を挿入して締め付け環を締め付け螺合することにより弾性密封環が締め付けられて上流側被接続管の外周に圧着され、液密に容易に上流側被接続管を接続でき、下流側被接続管側からの臭気が漏洩することがない。
【００５９】
また、請求項４記載の発明によれば、管継ぎ手本体の上流側接続口に差込み接続した上流側被接続管の下流端部は、管継ぎ手本体の傾斜状の拡径部に沿って任意の方向に傾斜でき、角度調整が容易にできるため、上流側被接続管の接続が容易にできる。
【００６０】
請求項５記載の発明によれば、配管施工時に、管継ぎ手本体の長さに比べて管継ぎ手本体の上流側接続口に上流側被接続管を長く差し込むことができ、管継ぎ手本体の上流側接続部から下流側接続部までの長さを短くでき、安価に製造できる。
【００６１】
請求項６記載の発明によれば、管継ぎ手本体の下流側接続部を下流側被接続管に嵌挿接着でき、液密に容易に下流側被接続管に管継ぎ手本体を接続でき、下流側被接続管側からの臭気が漏洩することがない。
【００６２】
請求項７記載の発明によれば、下流側被接続管の床面に開口した管継ぎ手本体の下流側接続部を嵌挿接続することにより下流側被接続管の内周面に弾性密封環が密着され、接着などを行なうことなく、下流側接続部の外側に装着した弾性密封環により液密に接続でき、下流側被接続管からの液漏れを防止できるとともに臭気が漏洩することがない。
【図面の簡単な説明】
【図１】本発明の排水管の管継ぎ手の一実施の形態を示す一部を切欠いた正面図である。
【図２】本発明の排水管の管継ぎ手の他の実施の形態を示す一部を切欠いた正面図である。
【図３】本発明の排水管の管継ぎ手の他の実施の形態を示す一部の縦断正面図である。
【図４】本発明の排水管の管継ぎ手の他の実施の形態を示す一部の縦断正面図である。
【図５】本発明の排水管の施工状態を示す一部の縦断正面図である。
【図６】従来の排水管の施工状態を示す一部の縦断正面図である。
【符号の説明】
１０　　管継ぎ手本体
１１　　下流側接続部
１２　　下流側接続口
１３　　上流側接続部
１３ａ　　拡径部
１４　　上流側接続口
１５　　ねじ部
１６　　締め付け環
１８　　締め付け縁
１９　　上流側被接続管
２０　　嵌挿口
２１　　弾性密封環
２２　　固定手段となるフランジ
２３　　床面
２５　　下流側被接続管[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a pipe joint of a drain pipe that connects an upstream connected pipe, such as a sink or a wash basin, from which drainage flows out, and a downstream connected pipe that is piped under the floor.
[0002]
[Prior art]
Conventionally, as shown in FIG. 6, the drainage pipe on the upstream side connected to drainage equipment 1 such as a sink and a sink is formed by a bellows pipe 2, and the downstream open end of the bellows pipe 2 stands from the floor surface 3. The packing 5 is inserted and connected to the upper end connection port of the underfloor drain pipe 4 formed of the raised polyvinyl chloride resin, and fitted into the upper end connection port of the downstream underfloor drain pipe 4 piped under the floor. And a method of sealingly connecting to the outer peripheral surface of the device.
[0003]
[Problems to be solved by the invention]
However, in the piping method shown in FIG. 6, the bellows tube 2 has its middle portion loosened due to its flexibility, water tends to accumulate in the middle portion of the bellows tube 2 and clogging easily occurs in the bellows tube 2, resulting in a double trap phenomenon. Then, drainage may not be performed smoothly, and there is a problem that water leaks from a connecting portion between the bellows pipe 2 and the underfloor drain pipe 4 piped under the floor of the vinyl chloride resin.
[0004]
The present invention has been made in view of the above problems, and drainage from drainage equipment is collected in a pipeline to a drainage pipe piped under the floor, or clogging does not occur in the pipeline, and drainage is smoothly performed. An object of the present invention is to provide a pipe joint of a drain pipe that can easily connect an upstream drain pipe such as a vinyl chloride pipe connected to a drainage facility without using a bellows pipe to a downstream drain pipe piped under the floor so that it flows. I do.
[0005]
[Means for Solving the Problems]
The pipe joint of a drainage pipe according to the first aspect of the present invention includes a pipe joint body having a downstream connection port opened at one end face of a downstream connection section and an upstream connection port opened at an end face of the other upstream connection section. An elastic sealing ring is provided, which faces the upstream connection port of the pipe joint body and is pressed against the outer peripheral surface of the upstream connected pipe inserted into the upstream connection port. Is provided between the downstream connection portion and the upstream connection portion and provided with fixing means for fixing the pipe joint body to the floor surface, and the inside diameter of the upstream connection port of the pipe joint body is set to the upstream side cover. The connecting pipe has a size larger than the outer diameter of the connecting pipe, and the upstream connected pipe is removably inserted into and removed from the upstream connecting port of the pipe joint main body so that the insertion length of the upstream connected pipe can be adjusted. Things.
[0006]
Then, when connecting the upstream connected pipe such as a vinyl chloride resin connected to the drainage facility via an elbow or a connection pipe to the upstream connection port of the pipe joint body fixed to the floor surface by a fixing means, Temporarily pipe elbows, connecting pipes, etc., cut the upstream connected pipe in consideration of the length that can be inserted and connected to the upstream connection port of the pipe joint body, and cut the downstream side of the upstream connected pipe to the pipe joint body. In the state where it is inserted into the upstream connection port longer than the connection state, the elbow and the connection pipe that were temporarily piped from the drainage equipment are bonded and fixed in this state, and attached to the outer peripheral surface of the upstream opening end of the upstream connection pipe. Apply adhesive.
[0007]
In this state, while pulling the upstream connected pipe from the upstream connection port of the pipe joint body until the upstream open end of the upstream connected pipe comes into contact with an engagement step formed inside the connection port such as an elbow. By inserting and connecting this upstream connected pipe to an elbow or the like, the upstream connected pipe can be connected to a drainage facility via an elbow or the like, so that strict dimensional accuracy of the upstream connected pipe is required. The drainage from the drainage system to the underfloor drainage pipe can be easily connected without drainage, so that drainage can flow smoothly without accumulating in the pipeline or clogging in the pipeline without using a bellows pipe. The drain pipe joint according to claim 2, wherein the upstream connected pipe such as a vinyl chloride pipe connected to the facility can be easily connected to the downstream connected pipe below the floor. Pipe fittings Fixing means is obtained by forming in a flange protruding from the outer periphery of the pipe joint body.
[0008]
The pipe joint body can be fixed to the floor using the flange, and can be easily fixed to the floor in a state where the downstream connected pipe opened to the floor is connected.
[0009]
According to a third aspect of the present invention, the pipe joint of a drain pipe according to the first or second aspect is screwed to a threaded portion formed on an outer peripheral surface of an upstream connection portion of the pipe joint body. Forming a fastening edge protruding inward at an end edge of the fastening ring and forming an insertion opening for inserting an upstream connected pipe at an inner peripheral edge of the fastening edge, and forming an insertion port for the upstream connection portion of the pipe joint body. An elastic sealing ring is mounted between an end edge and an upper end clamping edge of the clamping ring.
[0010]
Then, the elastic sealing ring is tightened by inserting the downstream opening end of the upstream connected pipe from the upstream fitting opening of the tightening ring to the upstream connecting port of the pipe joint body and tightening and tightening the tightening ring. The upstream connected pipe is pressure-bonded to the outer peripheral surface of the upstream connected pipe, so that the upstream connected pipe can be easily connected in a liquid-tight manner, and odor from the downstream connected pipe does not leak.
[0011]
According to a fourth aspect of the present invention, in the pipe joint of a drain pipe according to any one of the first to third aspects, the diameter of the pipe joint is increased from the upstream connection port of the pipe joint body to the downstream connection section. The inner diameter of the pipe joint main body is set to an inner diameter larger than the outer diameter of the upstream connected pipe via the inclined enlarged diameter section, and the upstream connected pipe inserted through the upstream connection port is formed. The angle can be adjusted.
[0012]
The downstream open end of the upstream connected pipe inserted and connected to the upstream connection port of the pipe joint body can be inclined in any direction along the inclined enlarged diameter portion of the pipe joint body, and the angle adjustment can be performed. Since the connection can be easily performed, the connection of the upstream connected pipe can be easily performed.
[0013]
According to a fifth aspect of the invention, there is provided a pipe joint for a drain pipe according to any one of the first to fourth aspects, wherein the pipe joint main body is connected upstream to the downstream connection port from the upstream connection port. The tube can be freely inserted and removed.
[0014]
And, in the piping construction, an upstream connected pipe such as a vinyl chloride resin connected to a drainage facility via an elbow or a connecting pipe is inserted and connected to an upstream connection port of a pipe joint body fixed to a floor surface by fixing means. , Elbows, connecting pipes, etc., and cut the upstream connected pipe in consideration of the length that can be inserted and connected to the upstream connection port of the pipe connection main body, and cut the downstream side of the upstream connected pipe into the pipe main body. Into the upstream connection port, and glue and fix the elbows, connection pipes, etc., which were provisionally plumbed from the drainage facility.
[0015]
Next, an adhesive is applied to the outer peripheral surface of the upstream end of the upstream connected pipe, and the upstream open end of the upstream connected pipe is pulled out while pulling out the upstream connected pipe from the upstream connection port of the pipe joint body. By inserting the part until it comes into contact with the engaging step formed inside the connection port such as an elbow, the upstream connected pipe can be connected to the drainage facility via the elbow, etc. It can be easily connected without requiring strict dimensional accuracy, and the pipe connection body can be freely inserted and removed from the upstream connection port to the downstream connection port. Thus, the upstream connected pipe can be inserted into the upstream connection port of the pipe joint body for a long time, the length from the upstream connection section to the downstream connection section of the pipe joint body can be shortened, and the production can be performed at low cost.
[0016]
According to a sixth aspect of the present invention, in the pipe joint of a drain pipe according to any one of the first to fifth aspects, the outer diameter of the downstream connection portion of the pipe joint body is open to the floor. The downstream connection pipe has a size smaller than the inner diameter of the downstream connection pipe, and the downstream connection section of the pipe joint main body is fitted and bonded to the upstream opening end of the downstream connection pipe opened on the floor surface. It is.
[0017]
Since the downstream connection portion of the pipe joint body can be inserted and adhered inside the upstream opening end of the downstream connected pipe, a hole facing the upstream opening end of the downstream connected pipe that opens on the floor surface. May be adjusted to the outer diameter of the downstream connected pipe, and the downstream connecting section of the pipe connection main body can be inserted into the hole facing the upstream open end of the downstream connected pipe. There is no need to have a large diameter with a gap around the hole facing the upstream open end, and the pipe joint body can be easily connected to the downstream connected pipe in a liquid-tight manner, and odor from the downstream connected pipe side Does not leak.
[0018]
According to a seventh aspect of the present invention, in the pipe joint for a drain pipe according to any one of the first to fifth aspects, an inner peripheral surface of the downstream connected pipe is provided on an outer peripheral surface of the downstream connection port of the pipe joint body. The outer diameter of the downstream connecting portion of the pipe joint body is smaller than the inner diameter of the downstream connected pipe opened to the floor surface, and the pipe joint body is The downstream connection portion is inserted into and removed from the upstream opening end of the downstream connected pipe having the floor surface opened.
[0019]
Then, by inserting and connecting the downstream connection portion of the joint main body to the downstream connection tube, an elastic sealing ring is closely attached to the inner periphery of the downstream connection tube, and the outside of the downstream connection portion is not bonded without performing bonding or the like. A liquid-tight connection can be made by an elastic sealing ring attached to the pipe, and high dimensional accuracy of the downstream connected pipe is not required, and liquid leakage from the downstream connected pipe can be prevented and odor does not leak.
[0020]
BEST MODE FOR CARRYING OUT THE INVENTION
Next, one embodiment of the pipe joint of the drainage pipe of the present invention will be described with reference to FIG.
[0021]
In FIG. 1, a pipe joint body 10 molded into a substantially elongated cylindrical shape with a synthetic resin such as a vinyl chloride resin has a downstream connection port 12 opened at one end face of a downstream connection section 11 and a downstream connection port 12 connected at the other end. An upstream connection port 14 is opened at an end face of the portion 13. A screw portion 15 is formed on the outer peripheral surface of the upstream connection portion 13 of the pipe joint body 10, and the screw portion 15 is formed on an inner peripheral surface of a nut-shaped tightening ring 16 fitted to the upstream connection portion 13. Is formed with a screw groove 17 to be screwed into the groove. A fastening edge 18 is formed at an end edge of the fastening ring 16 and protrudes inward in the radial direction, and a fitting opening 20 for inserting an upstream connected pipe 19 at an inner peripheral edge of the fastening edge 18 is provided. It is formed.
[0022]
An elastic sealing ring 21 is attached between an end edge of the upstream connection portion 13 of the pipe joint body 10 and an upper end tightening edge 18 of the tightening ring 16, so that the upstream connection of the pipe joint body 10 is performed. The elastic sealing ring 21 is mounted facing the opening 14.
[0023]
Further, a flange 22 which is located between the downstream connection portion 11 and the upstream connection portion 13 and serves as fixing means for fixing the pipe joint body 10 to the floor surface is formed on the outer peripheral portion of the pipe joint body 10 in an annular shape. The flange 22 is provided with a plurality of mounting holes 24 for fixing to a floor surface 23.
[0024]
The downstream connecting portion 11 of the pipe joint body 10 is located at a position downstream of the flange 22 and has an increased diameter. An engaging protruding edge 22a is formed to abut the downstream opening end of the upstream connected pipe 19 to prevent excessive insertion of the upstream connected pipe 19.
[0025]
Further, the inner diameter of the upstream connection port 14 of the pipe joint body 10 is larger than the outer diameter of the upstream connected pipe 19, and the upstream connected pipe 19 can be freely inserted into and removed from the upstream connection port 14. The insertion length of the upstream connected pipe 19 can be adjusted.
[0026]
The inner diameter of the downstream connection portion 11 of the pipe joint body 10 is slightly larger than the outer diameter of the downstream connected pipe 25 opened in the floor surface 23 shown in FIG. The downstream connected pipe 25 is inserted into the downstream connection portion 11 of the pipe joint body 10 and is bonded and bonded thereto.
[0027]
Next, the operation of this embodiment will be described.
[0028]
As shown in FIG. 5, the upstream connection port 26 of the downstream connected pipe 25 piped under the floor is opened in the floor surface 23, and the pipe connection main body 10 is connected to the upstream connection port 26 of the downstream connected pipe 25. The downstream connection portion 11 is fitted and adhered, the pipe joint body 10 is connected to the downstream connected pipe 25, and the pipe joint body 10 is attached to the floor surface 23 with screws or the like inserted into the mounting holes 24 of the flange 22. Fix it.
[0029]
Next, a first elbow 31 is temporarily connected to a trap 28 of a drainage facility 27 such as a sink or a washstand, and a connection pipe 32 such as a vinyl chloride resin is temporarily connected to the first elbow 31. The first elbow 31, the connecting pipe 32, and the second elbow 33 are provisionally connected by temporarily connecting the second elbow 33, and the insertion length is inserted into the length from the second elbow 33 to the pipe joint main body 10. The upstream connected pipe 19 molded with a vinyl chloride resin or the like to the added length is cut.
[0030]
Next, the downstream open end of the upstream connected pipe 19 is connected to the fitting opening 20 of the tightening ring 16 fitted to the upstream connection part 13 of the pipe joint body 10 fixed to the floor surface 23. The first elbow 31, the connection pipe 32, and the second elbow 33 are connected to the trap 28 by adhesively connecting the first elbow 31, the connection pipe 32, and the second elbow 33 after a long insertion into the upstream connection port 14 of the joint body 10.
[0031]
Next, an adhesive is applied to the outer peripheral surface of the upstream open end of the upstream connected pipe 19, and the upstream connected pipe 19 is pulled out from the upstream connection port 14 of the pipe joint body 10 while the upstream connected pipe 19 is being pulled out. The upstream open end of 19 is inserted into the second elbow 33 and inserted into the upstream connected pipe 19 until it comes into contact with an engagement step formed on the inner peripheral portion of the second elbow 33.
[0032]
Further, the elastic sealing ring 21 is tightened by screwing the tightening ring 16 and crimped to the outer periphery of the upstream connected pipe 19, and the upstream connected pipe 19 is connected to the upstream connecting port 14 of the pipe joint body 10. The connection can be made liquid-tight, and the odor does not leak from the underfloor drain pipe side of the downstream connected pipe 25.
[0033]
As described above, since the upstream connected pipe 19 can be freely inserted into and removed from the upstream connection port 14 of the pipe joint body 10 and the insertion length of the upstream connected pipe 19 can be adjusted, strict dimensional accuracy is required. The upstream-side connected pipe 19 can be easily connected to the pipe joint main body 10 without using a pipe.
[0034]
In addition, since the drainage device 27 can be connected to the pipe joint body 10 by the upstream connected pipe 19 such as a vinyl chloride resin, the drainage from the drainage device 27 to the downstream connected pipe 25 below the floor accumulates in the pipeline, Alternatively, the drainage can smoothly flow without clogging in the drainage pipe, and the downstream side pipe 19 such as a vinyl chloride pipe connected to the drainage facility 27 can be connected under the floor without using a bellows pipe. It can be easily connected to the connection pipe 25.
[0035]
Furthermore, by inserting the upstream connected pipe 19 into the tightening ring 16 and tightening and screwing the tightening ring 16, the elastic sealing ring 21 is tightened and pressed against the outer peripheral surface of the upstream connected pipe 19. The upstream connected pipe 19 can be connected densely and easily, and the downstream connected section 11 of the pipe joint main body 10 is fitted and adhered to the downstream connected pipe 25 so that the connection from the downstream connected pipe 25 below the floor can be achieved. The downstream connected pipe 25 can be easily and liquid-tightly connected to the pipe joint body 10 without leaking odor.
[0036]
Next, another embodiment will be described with reference to FIG.
[0037]
This embodiment is different from the embodiment shown in FIG. 1 in that the pipe joint main body 10 allows the upstream connected pipe 19 to be freely inserted and removed from the upstream connection port 14 from the upstream connection port 14 to the downstream connection port 12. The length of the joint body 10 is set to approximately one-third the length of the pipe joint body 10 of the embodiment shown in FIG. 1, and the outer diameter of the downstream connection portion 11 of the pipe joint body 10 is The downstream connecting pipe 25 has a size smaller than the inner diameter of the downstream connected pipe 25 opened on the floor, and the downstream connecting section 11 of the pipe joint body 10 is provided at the upstream open end of the downstream connected pipe 25 opened on the floor. Are inserted and bonded together, and the other configuration is the same as that of the embodiment shown in FIG.
[0038]
Next, the operation of this embodiment will be described.
[0039]
An upstream connected pipe 19 such as a vinyl chloride resin connected via the first elbow 31, the connecting pipe 32, the second elbow 33, and the like of the drainage equipment 27 shown in FIG. In the piping work for inserting and connecting to the upstream connection port 14 of the pipe joint body 10, the first and second elbows 31, 33, the connection pipe 32 and the like are provisionally piped, and the upstream connected pipe 19 is connected to the pipe connection body 10. It is cut in consideration of the length that can be inserted and connected to the upstream connection port 14, and the downstream side of the upstream connected pipe 19 is fastened to the upstream connection port 14 of the pipe joint main body 10, and the upstream insertion port 20 of the ring 16 is connected. , And the first and second elbows 31, 33 and the connection pipe 32, etc., which are temporarily piped from the drainage facility 27, are adhesively fixed.
[0040]
Next, an adhesive is applied to the outer peripheral surface of the upstream open end of the upstream connected pipe 19, and the upstream connected pipe 19 is pulled out from the upstream connection port 14 of the pipe joint body 10 while the upstream connected pipe 19 is being pulled out. The upstream-side connected pipe 19 is inserted into the first and second elbows 31 and 33 by inserting the upstream open end of the pipe 19 until it comes into contact with an engaging step formed inside the connection port such as the second elbow 33. It can be connected to the drainage facility 27 through the like, and can be easily connected without requiring strict dimensional accuracy of the upstream connected pipe 19.
[0041]
The pipe connection main body 10 is configured such that the upstream connected pipe 19 can be freely inserted and removed from the upstream connection port 14 to the downstream connection port 12, so that the upstream side of the pipe connection main body 10 is compared with the length of the pipe connection main body 10. The upstream connected pipe 19 can be inserted into the connection port 14 long, the length from the upstream connection section 13 to the downstream connection section 11 of the pipe joint body 10 can be shortened, and the manufacturing can be performed at low cost.
[0042]
Furthermore, since the downstream connection portion 11 of the pipe joint main body 10 can be inserted and bonded inside the upstream opening end of the downstream connection tube 25, the upstream opening end portion of the downstream connection tube 25 opening on the floor surface. May be adjusted to the outer diameter of the downstream connected pipe 25, and the hole 35 facing the upstream open end of the downstream connected pipe 25 can be inserted into the downstream connection portion of the pipe joint body 10. In addition, it is not necessary to make the diameter of the gap around the hole 35 facing the upstream open end of the downstream connected pipe 25 large, and the pipe joint body 10 can be easily and liquid-tightly attached to the downstream connected pipe 25. Connection is possible, and odor from the downstream connected pipe 25 side does not leak.
[0043]
The other operation of the embodiment shown in FIG. 2 is the same as the operation shown in FIG.
[0044]
Further, another embodiment will be described with reference to FIG.
[0045]
In the embodiment shown in FIG. 1, the inside diameter of the upstream connection port 14 of the pipe joint body 10 is increased toward the edge, and the inside diameter of the narrow portion 29 of the upstream connection port 14 is the upstream connection port. The outer diameter of the pipe 19 is set to be slightly larger than the outer diameter, and the inner diameter of the pipe joint main body 10 is increased through the inclined expanded portion 13a which expands from the upstream connection port 14 toward the downstream connection section 11. Has an inner diameter that is larger than the outer diameter of the upstream connected pipe 19, and the angle of the upstream connected pipe 19 inserted through the upstream connection port 14 can be adjusted.
[0046]
A fitting recess 30 for the elastic sealing ring 21 is formed in the inner peripheral portion of the upstream connection port 14 of the pipe joint body 10. Is formed with a lip 21a that is in close contact with the outer peripheral surface of the upstream connected pipe 19.
[0047]
Other configurations are the same as those of the embodiment shown in FIG.
[0048]
The operation of this embodiment will be described.
[0049]
In this embodiment shown in FIG. 3, the downstream open end of the upstream connected pipe 19 inserted and connected to the upstream connection port 14 of the pipe joint body 10 is formed by an inclined enlarged portion 13 a of the pipe joint body 10. And the angle can be easily adjusted, so that the upstream connected pipe can be easily connected.
[0050]
Other operations are the same as those of the embodiment shown in FIG.
[0051]
Further, another embodiment will be described with reference to FIG.
[0052]
In the embodiment shown in FIG. 4, an elastic sealing ring 21 pressed against the inner periphery of the downstream connected pipe 25 is attached to the outer peripheral surface of the downstream connection port 12 of the pipe joint body 10, and The outer diameter of the downstream connection portion 11 is smaller than the outer diameter of the downstream connected pipe 25 opened on the floor surface.
[0053]
Other configurations are the same as those of the embodiment shown in FIG.
[0054]
Then, by inserting and connecting the downstream connection portion 11 of the pipe joint main body 10 to the downstream connection pipe 25, the elastic sealing ring 21 is adhered to the inner periphery of the downstream connection pipe 25, without performing bonding or the like. A liquid-tight connection can be made by an elastic sealing ring 21 mounted on the outside of the downstream connection portion 11, and liquid leakage from the downstream connection tube 25 can be prevented without requiring high dimensional accuracy of the downstream connection tube 25. No odor is leaked.
[0055]
Other operations are the same as those of the embodiment shown in FIG.
[0056]
【The invention's effect】
According to the first aspect of the present invention, the upstream connected pipe connected to the drainage facility can be easily connected without requiring strict dimensional accuracy of the upstream connected pipe, piping work is facilitated, and the drainage facility is PVC that is connected to the drainage system without using a bellows pipe so that the drainage to the drainage pipe that is piped under the floor is collected in the pipeline, or the drainage flows smoothly without clogging in the pipeline. An upstream connected pipe such as a pipe can be easily connected to a downstream connected pipe laid below the floor.
[0057]
According to the second aspect of the present invention, the pipe joint body can be fixed to the floor surface using the flange, and can be easily fixed to the floor surface in a state where the downstream connected pipe opened to the floor surface is connected.
[0058]
Furthermore, according to the third aspect of the present invention, by inserting the upstream connected pipe into the upstream connection port of the tightening ring and screwing the tightening ring, the elastic sealing ring is tightened and the upstream connected pipe is tightened. And the upstream connected pipe can be easily connected in a liquid-tight manner, and the odor from the downstream connected pipe does not leak.
[0059]
According to the fourth aspect of the invention, the downstream end of the upstream connected pipe that is inserted and connected to the upstream connection port of the pipe joint main body is formed along the inclined enlarged portion of the pipe joint main body. Since it can be inclined in the direction and the angle can be easily adjusted, the connection of the upstream connected pipe can be easily performed.
[0060]
According to the invention described in claim 5, at the time of piping construction, the upstream connected pipe can be inserted into the upstream connection port of the pipe joint body longer than the length of the pipe joint body, and the upstream side of the pipe joint body can be inserted. The length from the connection part to the downstream connection part can be shortened, and it can be manufactured at low cost.
[0061]
According to the invention of claim 6, the downstream connection portion of the pipe joint main body can be fitted and adhered to the downstream connected pipe, and the pipe joint main body can be easily connected to the downstream connected pipe in a liquid-tight manner. No odor leaks from the connected pipe side.
[0062]
According to the invention as set forth in claim 7, by inserting and connecting the downstream connection portion of the pipe joint main body opened to the floor surface of the downstream connection pipe, the elastic sealing ring is formed on the inner peripheral surface of the downstream connection pipe. It can be connected in a liquid-tight manner by an elastic sealing ring attached to the outside of the downstream connection portion without being adhered and performing bonding or the like, so that leakage of liquid from the downstream connected pipe can be prevented and odor does not leak.
[Brief description of the drawings]
FIG. 1 is a partially cutaway front view showing an embodiment of a pipe joint of a drainage pipe of the present invention.
FIG. 2 is a partially cutaway front view showing another embodiment of the pipe joint of the drainage pipe of the present invention.
FIG. 3 is a partial longitudinal front view showing another embodiment of the pipe joint of the drainage pipe of the present invention.
FIG. 4 is a partial longitudinal front view showing another embodiment of the pipe joint of the drainage pipe of the present invention.
FIG. 5 is a partial longitudinal front view showing a construction state of a drain pipe of the present invention.
FIG. 6 is a partial longitudinal front view showing a construction state of a conventional drain pipe.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 Pipe joint main body 11 Downstream connection part 12 Downstream connection port 13 Upstream connection part 13a Large diameter part 14 Upstream connection port 15 Screw part 16 Tightening ring 18 Tightening edge 19 Upstream connected pipe 20 Fitting opening 21 Elastic sealing Ring 22 Flange 23 serving as fixing means Floor surface 25 Downstream connected pipe

Claims

One end includes a pipe joint body having an opening at the end face of the downstream connection portion and an opening at the end surface of the other end upstream connection portion at the end face of the upstream connection portion,
Attached to the upstream connection port of the pipe joint body is an elastic sealing ring which is pressed against the outer peripheral surface of the upstream connected pipe inserted into the upstream connection port,
A fixing means for fixing the pipe joint body to the floor surface is provided between the downstream connection section and the upstream connection section on the outer peripheral portion of the pipe joint body,
The inner diameter of the upstream connection port of the pipe joint body is larger than the outer diameter of the upstream connected pipe, and this upstream connected pipe is removably inserted into and removed from the upstream connection port of the pipe joint body. A drain pipe joint characterized in that the insertion length of the upstream connected pipe can be adjusted.

2. The drainage pipe joint according to claim 1, wherein the fixing means of the pipe joint body is formed by a flange projecting from an outer peripheral portion of the pipe joint body.

An inwardly protruding clamping edge is formed at an end of a clamping ring screwed into a thread formed on an outer peripheral surface of the upstream connection portion of the pipe joint body, and an upstream connected pipe is formed at an inner peripheral edge of the clamping edge. To form an insertion hole for inserting
The pipe joint of a drainage pipe according to claim 1 or 2, wherein an elastic sealing ring is mounted between an end edge of an upstream connection portion of the pipe joint body and an upper end clamping edge of the clamping ring.

A dimension in which the inner diameter of the pipe joint body is larger than the outer diameter of the upstream connected pipe via an inclined enlarged diameter section which is enlarged from the upstream connection port of the pipe joint body toward the downstream connection section. And the inside diameter of
The pipe joint of a drain pipe according to any one of claims 1 to 3, wherein an angle of the upstream connected pipe inserted into the upstream connection port is adjustable.

The pipe joint of a drain pipe according to any one of claims 1 to 4, wherein the pipe joint body is configured such that an upstream connected pipe can be freely inserted and removed from an upstream connection port to a downstream connection port.

The outer diameter of the downstream connection portion of the pipe joint body is smaller than the inner diameter of the downstream connected pipe opened on the floor surface,
6. The pipe joint body according to claim 1, wherein the downstream connection portion of the pipe joint main body is fitted and bonded to an upstream opening end of the downstream connection pipe opened to the floor surface. Drain pipe fittings.

Attach an elastic sealing ring pressed against the inner peripheral surface of the downstream connected pipe on the outer peripheral surface of the downstream connecting portion of the pipe joint body,
The outer diameter of the downstream connecting portion of the pipe joint body is smaller than the inner diameter of the downstream connected pipe opened to the floor,
6. The pipe joint body according to claim 1, wherein a downstream connection portion of the pipe joint body is removably inserted into and removed from an upstream opening end of the downstream connected pipe opened to the floor surface. Drain pipe fittings.