JP3962268B2

JP3962268B2 - Water outlet

Info

Publication number: JP3962268B2
Application number: JP2002043715A
Authority: JP
Inventors: 明西岡
Original assignee: 株式会社三栄水栓製作所
Priority date: 2002-02-20
Filing date: 2002-02-20
Publication date: 2007-08-22
Anticipated expiration: 2022-02-20
Also published as: JP2003239332A

Description

【０００１】
【発明の属する技術分野】
この発明は、水撃緩和機構付きの逆止弁部を設けてある水道用コンセントに関する。
【０００２】
【従来の技術】
水道水等を吐水する水栓として、回転式の操作ハンドルによる自在水栓（単水栓）があるが、操作ハンドルの回動操作により流出（吐出）流量の調整を行っているため、全開させるのに、操作ハンドルを回転させながら栓棒を引っ張り上げるといった煩わしい操作を行う必要がある。そして、このような操作ハンドルの回動操作を繰り返すことによりパッキンが劣化するという問題がある。しかも、パッキンが劣化すると、操作ハンドルを締めつけても、完全に止水することができず、水漏れが生じ、止水する際、操作ハンドルをきつく締めつける必要があるという問題がある上に、全開させるのに、力が必要である。
【０００３】
そこで、自在水栓（単水栓）に代わるものとして、セラミック製の弁体を用いて流出（吐出）流量の調整を行い上記の問題点を解決するとともに、壁または床あるいは取付用パネルに取付けられても各表面からの前出しの少ない水道用コンセントが使用されてきている。
【０００４】
図７に、従来の水道用コンセントに設けられた水撃緩和機構付きの逆止弁部を示す。図７において、８０は、樹脂パイプの上流端が挿入された継手にねじ接続される継手である。水道用コンセントのハウジングに内蔵された水栓本体は、流入口、流出口およびセラミック製の流出流量調整用弁体を有し、前記流入口へ連通する導入流路ｉを形成する導入部８１を有する。この導入部８１は、断面Ｕ字型の収納空間Ｓを有するよう形成されており、この空間Ｓ内に逆止弁８２と、逆止弁機構を構成するその他の部材８３〜８５，８８と各種水撃緩和部材８６，８７，８９，９０が個別に順序よく組み込まれて行き、最後にクリップ９１を導入部８１の内壁に取り付けることでこれら八つの部材８３〜９０が位置決めされ、作動可能な状態となる。
【０００５】
【発明が解決しようとする課題】
しかし、保守点検の際のクリップ９１の取り外しは容易ではなく、また、八つの部材８３〜９０を現場で順次取り付けていく作業は面倒である。また、前記部材８３〜９０が多いので作業中や搬送中に紛失するおそれもある。更に、ツーバルブ混合栓では、湯側と水側にそれぞれ前記水撃緩和機構付きの逆止弁部が使用されるので、取り付け作業や保守点検の作業が二度手間になる。
【０００６】
この発明は、前記の点に留意してなされたものであり、その目的は、水撃緩和機構付きの逆止弁部を容易に取り付け・取り外しできる水道用コンセントを提供することである。
【０００７】
【課題を解決するための手段】
上記目的を達成するために、この発明の水道用コンセントは、湯配管から供給される湯をパイプを介して取り入れる湯の取り入れ口および水配管から供給される水をパイプを介して取り入れる水の取り入れ口が形成されているとともに、水または混合湯水の出口が形成され、更に、前記混合湯水の温度を調整するためのミキシングバルブを備えてなる温度調整器を収容する収容部を有し、前記出口に連通する水または混合湯水の流入口を有し、流量調整された前記水または混合湯水が流出するための流出口を有する水栓本体と、
前記流入口から導入された前記水または混合湯水の流出流量を調整するための流量調整バルブを有し、開閉操作を前記流量調整バルブに伝達するための伝達機構を介して前記流出口から流出可能な前記水または混合湯水の流出流量を調整する流量調整部と、
前記水栓本体および流量調整部が設置された状態で、壁または床あるいは取付用パネルに取付けられるハウジング本体と、
このハウジング本体を前面側から被覆するカバープレートと、
ホースの上流端に設けた継手部材が着脱自在であるとともに、前記流出口に連通する継手部とを備え、更に、
前記湯の取り入れ口および湯側の前記パイプ間に水撃緩和部材および逆止弁を備えた水撃緩和機構付きの逆止弁部を設ける一方、
前記水の取り入れ口および水側の前記パイプ間に水撃緩和部材および逆止弁を備えた水撃緩和機構付きの逆止弁部を設け、
湯側および水側の前記水撃緩和部材は、それぞれ、水撃緩和用のバネと、この水撃緩和用のバネより小の付勢力を有するバネにより付勢されて逆止弁が当接するよう設けられた弁座部材とを含み、
水または温度調整された混合湯水を得るように構成され、
湯側の前記水撃緩和機構付きの逆止弁部は、前記水撃緩和部材および逆止弁が組み込まれた状態で、前記湯の取り入れ口および湯側の前記パイプ間に嵌め込み可能に構成されたケース体を有する一方、
水側の前記水撃緩和機構付きの逆止弁部は、前記水撃緩和部材および逆止弁が組み込まれた状態で、前記水の取り入れ口および水側の前記パイプ間に嵌め込み可能に構成されたケース体を有し、
しかも、湯側および水側の前記ケース体は、それぞれ、二分割されており、カバーと、このカバーの底を覆うよう着脱自在に嵌め込まれる下蓋とよりなり、
また、湯側および水側の前記弁座部材は、それぞれ、水撃緩和用のバネを介してケース体に摺動可能に内嵌した状態で設けられているとともに、少なくとも水撃現象が発生しない通常の水または混合湯水の供給状態では、水撃緩和用のバネの付勢によりケース体内において前記カバーに当接するよう構成されていることを特徴とする。
【０００８】
また、この発明は別の観点から、湯配管から供給される湯を樹脂パイプを介して取り入れる湯の取り入れ口および水配管から供給される水を樹脂パイプを介して取り入れる水の取り入れ口が形成されているとともに、水または混合湯水の出口が形成され、更に、前記混合湯水の温度を調整するためのミキシングバルブを備えてなる嵌め込み式の温度調整器を収容する収容部を有し、前記出口に連通する水または混合湯水の流入口を有し、流量調整された前記水または混合湯水が流出するための流出口を有する水栓本体と、
前記流入口から導入された前記水または混合湯水の流出流量を調整するよう前記収容部の上側に設けた流量調整バルブを有し、開閉操作を前記流量調整バルブに伝達するための伝達機構を介して前記流出口から流出可能な前記水または混合湯水の流出流量を調整する流量調整部と、
前記水栓本体および流量調整部が前面側から設置された状態で、壁または床あるいは取付用パネルに取付けられるハウジング本体と、
少なくとも三つの開口を有し前記ハウジング本体を前記前面側から被覆するカバープレートと、
ホースの上流端に設けた継手部材が着脱自在であるとともに、前記流出口に連通する継手部とを備え、更に、
前記湯の取り入れ口および湯側の前記樹脂パイプ間に水撃緩和部材および逆止弁を備えた水撃緩和機構付きの逆止弁部を設ける一方、
前記水の取り入れ口および水側の前記樹脂パイプ間に水撃緩和部材および逆止弁を備えた水撃緩和機構付きの逆止弁部を設け、
湯側および水側の前記水撃緩和部材は、それぞれ、水撃緩和用のバネと、この水撃緩和用のバネより小の付勢力を有するバネにより付勢されて逆止弁が当接するよう設けられた弁座部材とを含み、
水または温度調整された混合湯水を得るように構成され、
湯側の前記水撃緩和機構付きの逆止弁部は、前記水撃緩和部材および逆止弁が組み込まれた状態で、前記湯の取り入れ口および湯側の前記パイプ間に嵌め込み可能に構成されたケース体を有するカートリッジ式の逆止弁部である一方、
水側の前記水撃緩和機構付きの逆止弁部は、前記水撃緩和部材および逆止弁が組み込まれた状態で、前記水の取り入れ口および水側の前記樹脂パイプ間に嵌め込み可能に構成されたケース体を有するカートリッジ式の逆止弁部であり、
しかも、湯側および水側の前記ケース体は、それぞれ、二分割されており、カバーと、このカバーの底を覆うよう着脱自在に嵌め込まれる下蓋とよりなり、
また、湯側および水側の前記弁座部材は、それぞれ、水撃緩和用のバネを介してケース体に摺動可能に内嵌した状態で設けられているとともに、少なくとも水撃現象が発生しない通常の水または混合湯水の供給状態では、水撃緩和用のバネの付勢によりケース体内において前記カバーに当接するよう構成されていることを特徴とする水道用コンセントを提供する。
【０００９】
【発明の実施の形態】
以下、この発明の実施形態について説明する。
図１〜図６は、この発明の一実施形態を示す。
【００１０】
図１は、混合湯水の温度を調整するためのミキシングバルブを備えてなる嵌め込み式の温度調整器と、水または混合湯水の流出流量を調整するための流量調整バルブとを用いた水道用コンセントにおける湯、水、混合湯水の流れを示す。図２（Ａ）は、水撃緩和機構付きの逆止弁部が取り付けられている状態を示し、図２（Ｂ）は、水撃緩和機構付きの逆止弁部の取り付け手順を示す。図３は、水道用コンセントのハウジング本体をハウジング本体の前面側から被覆するカバープレートを示し、図４は、カバープレートを取り外した状態のハウジング本体と、このハウジング本体の内部に取り付けられている水栓本体と、湯側および水側のそれぞれ水撃緩和機構付きの逆止弁部とを示す。図５は、水道用コンセントの縦断面を示す。また、図６は、温度調整器（ミキシングカートリッジ）のミキシングバルブの動作を示す。
【００１１】
図１〜図６において、１は、水道用コンセントで、そのハウジングは、壁２に形成された取付孔２ａに壁２の背面側から壁２の表面側に向かう方向（Ａ方向）で、前記背面側から取付孔２ａを介して取付けられる樹脂製のハウジング本体４と、このハウジング本体４を取付けた後ハウジング本体４の前面外枠４ａとで取付孔２ａの全周縁Ｂを挟む取付枠部５と、この取付枠部５と当接する背面６ａを有し、取付枠部５と当接しながら、ハウジング本体４の前面外枠４ａ、この前面外枠４ａに形成されるハウジング本体４の開口部４ｂおよび取付枠部５を被覆する樹脂製のカバープレート６とより構成される。
そして、水道用コンセント１は、これらハウジング本体４、取付枠部５およびカバープレート６と、水栓本体３と、流量調整部１４と、洗濯機、浄水器、食器洗い機、湯沸器などの機器の給水ホース（図示せず）の上流端に設けられた継手部材（図示せず）が着脱自在である継手部１５とより主としてなる。
【００１２】
更に、前記ハウジング本体４は、水栓本体３と、流量調整部１４と、水栓本体３および湯配管を接続する樹脂パイプ７の先端（最下流端）７ａと、水栓本体３および水配管を接続する樹脂パイプ８の先端（最下流端）８ａと、後述する湯側の水撃緩和機構付きの逆止弁部１８と、水側の水撃緩和機構付きの逆止弁部１９とが収容される収容空間Ｓを有する。なお、７ｂは、樹脂パイプ７の外周面を覆って樹脂パイプ７を保護するための蛇腹形状の鞘管であり、８ｂは、樹脂パイプ８の外周面を覆って樹脂パイプ８を保護するための蛇腹形状の鞘管である。鞘管７ｂと鞘管８ｂは同一構成である。
【００１３】
また、前記水栓本体３は、嵌め込み式の温度調整器（ミキシングカートリッジ）１０を収容する温度調整室（収容部）１１と、この温度調整室１１の上側（下流側）に流量調整部１４のセラミック製流量調整バルブ１２を有する。前記温度調整室１１は、水栓本体３の壁面部１１ａによって形成されている。
【００１４】
前記温度調整器（ミキシングカートリッジ）１０は、湯配管から供給される湯を樹脂パイプ７を介して取り入れる湯の取り入れ口６４と、水配管から供給される水を樹脂パイプ８を介して取り入れる水の取り入れ口６３とを有するとともに、湯水混合室７４に水または混合湯水の出口７３を有し、更に、前記混合湯水の温度を調整するためのセラミック製のミキシングバルブＶ６５，６９を内蔵している。このミキシングバルブＶは、ディスク状セラミック製固定弁体６５と、ディスク状セラミック製可動弁体６９とよりなる。なお、図１におけるＭは、湯流路である。また、図１におけるＮは、水流路である。また、図１におけるＬは、水または混合湯水の流路である。
そして、前記湯側の水撃緩和機構付きの逆止弁部１８は、前記湯の取り入れ口６４および湯側の前記樹脂パイプ７間に設けらている。また、前記水側の水撃緩和機構付きの逆止弁部１９は、前記水の取り入れ口６３および水側の前記樹脂パイプ８間に設けられている。
【００１５】
また、前記水栓本体３は、前記出口７３に連通する水または混合湯水の流入口３ａを有し、流量調整された前記水または混合湯水が流出するための流出口３ｂを有する。そして、前記継手部１５は、前記流出口３ｂの中心軸Ｃのまわりに３６０°回転可能な状態で前記流出口３ｂに接続されている。
【００１６】
また、前記流量調整部１４は、開閉操作を前記流量調整バルブ１２に伝達するための伝達機構１３を介して前記流出口３ｂから流出可能な前記水または混合湯水の流出流量を調整するよう機能する。前記流量調整バルブ１２は、前記流入口３ａから導入された前記水または混合湯水の流出流量を調整する。前記流量調整バルブ１２も、ディスク状セラミック製固定弁体２１ａ、ディスク状セラミック製可動弁体１２ｂとよりなる。
【００１７】
以下、前記温度調整器（ミキシングカートリッジ）１０（本出願人による特願平１１−３１７３２５号の明細書、図面参照）について説明する。
【００１８】
。なお、図５には、温度調整ハンドル５８の回転により湯水の混合比率を変化させる温度調整器（以下、ミキシングカートリッジという）１０のケース体６２の外観が示されている。また、図６（Ａ）は、図５における前記ケース体６２のａ−ａ’線矢視図を示している。
【００１９】
図５、図６において、前記温度調整室１１内には、取り替え自在な前記ミキシングカートリッジ１０が温度調整室１１内に水密状態に装着されている。ミキシングカートリッジ１０のケース体６２は上流側に湯の取入口６４および水の取入口６３を有する。この湯の取入口６４および水の取入口６３は、図６から明らかなように、ケース体６２の長手方向である弁棒７１（後述する）の軸方向（Ｂ方向）に沿って前後に設けられるのではなく軸方向に直角な横方向に並列配置してある。すなわち、両取入口６３，６４をＹ方向（水道用コンセント１の厚みの方向）ではなくＸ方向に配置しているので、カートリッジ１０のＹ方向へのサイズが大きくなるのを回避できる。この実施形態では、水道用コンセント１のＹ方向の長さＥは、上記各実施形態と同様の６０ｍｍであるが、ミキシングカートリッジ１０の弁棒突出部７１ｃを除く長さＭは、それより小さく、例えば３５ｍｍである。
【００２０】
前記ミキシングバルブＶは、湯の取入口６４および水の取入口６３の下流側に位置する。固定弁体６５は、ケース体６２に水密状態に固定されており、湯の取入口６４に連通する湯の弁孔６６と水の取入口６３に連通する水の弁孔６７を有する〔図６（Ｃ）参照〕。更に、両弁孔６６，６７には各弁孔６６，６７の内壁を覆うようにシール用パッキン６８が設けられている。
【００２１】
また、可動弁体６９は、固定弁体６５の上面６５ａを回動自在に摺動する。この可動弁体６９の下面６９ａの形状は図６（Ｄ）に示すように半円形である。つまり、固定弁体６５の上面６５ａを可動弁体６９の下面６９ａが回動自在に摺動する。この可動弁体６９は前記両弁孔６６，６７の開口域の一部〔図６（Ｄ）参照〕あるいは前記両弁孔６６，６７の一方の開口域を覆う状態で湯水の混合割合を調節する。一方、可動弁体６９の上面６９ｂは、図６（Ｂ）に示すように、平面視Ｔ字型の係合突起７０が形成されている。
【００２２】
７１は、温度調整ハンドル５８に固着された弁棒で、その軸方向（Ｂ方向）の移動がＣリング７１ｂにより押さえられた状態で軸７２のまわりに回転可能になっている。この弁棒７１の下面７１ａの形状は、可動弁体６９の上面６９ｂの係合突起７０に係合する平面視Ｔ字型の溝７２形状に形成されている。
【００２３】
７４は、ケース体６２の湯水混合室で、固定弁体６５の位置よりも下流側に設けられている。７３は、湯水混合水の複数の出口で、湯水混合室７４におけるケース体６２の周壁位置に設けられている。７５は、湯水混合室７４から出口７３を介して連通する湯水混合水流路で、水栓本体３の流入口３ａからセラミック製流量調整バルブ１２を介して流量調整部１４の流出流路７６に連通する。
【００２４】
次に、カバープレート６と前記伝達機構１３を含む流量調整部１４の開閉操作の機構について説明する。
【００２５】
前記カバープレート６は、流量調整部１４の操作爪１４ａ、継手部１５および温度調整ハンドル５８がそれぞれ配置される三つの開口６ａ，６ｂおよび６ｃを中央部における高さ方向に上からこの順で有する。前記開口６ａは、正面視横長の長方形であり、残りの前記開口６ｂ，６ｃは、正面視円形である。
【００２６】
前記流量調整部１４は、前記操作爪１４ａとカイド片１４ｂと連結片１４ｃよりなる。また、前記伝達機構１３は、流量調整バルブ１２の可動ディスク１２ｂに嵌合係止される下面部を有する弁棒１３ａと、この弁棒１３ａに設けられ、弁棒１３ａと共に弁棒１３ａの軸心Ｈのまわりに回動する回動片１３ｂとよりなる。そして、回動片１３ｂは、連結片１４ｃに連動可能に連結されている。１７，１７は、カバープレート６の背面の上下に設けた案内片である。この案内片１７，１７間に前記カイド片１４ｂを差し込むことでカイド片１４ｂが、カバープレート６の横方向（両矢印Ｚで示す方向）〔図３参照〕に一次元移動することが可能となり、ひいては、前記操作爪１４ａの開閉操作が一次元操作可能に構成される。これにより、ハウジング本体４内の収容空間を小型化できるとともに、ハウジング本体４の壁２からの前出しの長さを小さくでき、ひいてはカバープレート６からの操作爪１４ａの前出しも小さくできて薄型の水道用コンセント１を提供できる。
【００２７】
以下、この発明の特徴的構成について説明する。
【００２８】
湯側の水撃緩和機構付きの逆止弁部１８は、ミキシングカートリッジ１０の前記湯の取り入れ口６４および湯側の前記樹脂パイプ７間に設けられている。前記逆止弁部１８は、前記湯の取り入れ口６４および湯側の樹脂パイプ７間に嵌め込み可能なケース体２０と、このケース体２０内に予め組み込まれている水撃緩和部材および逆止弁２１とを有するカートリッジ式としてある。
【００２９】
一方、水側の前記水撃緩和機構付きの逆止弁部１９は、ミキシングカートリッジ１０の前記水の取り入れ口６３および水側の前記樹脂パイプ８間に設けられている。前記逆止弁部１９は、前記水の取り入れ口６３および水側の樹脂パイプ８間に嵌め込み可能なケース体２０’と、このケース体２０’内に予め組み込まれている水撃緩和部材および逆止弁２１’とを有するカートリッジ式としてある。
【００３０】
なお、この発明では、前記湯側の水撃緩和機構付きの逆止弁部１８と前記水側の水撃緩和機構付きの逆止弁部１９は同一構成であるので、前記逆止弁部１８についてだけ説明する。
【００３１】
まず、前記逆止弁部１８は、湯の取り入れ口６４および湯側の樹脂パイプ７間に設けられるが、具体的な設置位置について説明する。
【００３２】
図２（Ｂ）において、２２は、ねじ部２３を上流側に有し、下流側に前記ケース体２０の上流端部が内嵌可能な嵌込み穴２４ａが形成された嵌込み穴部２４を下流側に有するとともに、両者２３，２４間に形成された外向きフランジ３０を有する継手である。前記ねじ部２３は、外周に外ねじ２３ａを有する。この外ねじ２３ａは、湯側の樹脂パイプ７の先端（最下流端）７ａが水密状態で嵌め込まれた湯側の継手（図示せず）の下流端に形成された内ねじに螺合する。また、湯側の継手２２は、前記嵌込み穴部２４の外周に外ねじ２５を有するとともに、前記外向きフランジ３０の直下流側における外周位置にシール部材（Ｏリング）２６が嵌め込まれるリング溝２７を有する。
【００３３】
一方、水栓本体３は、温度調整室（収容部）１１を形成している前記壁面部１１ａから上流側に連設された逆止弁部収容室３２を有する。この収容室３２は、矢印Ａで示す下流側に向かって挿入された前記ケース体２０の下流端部が内嵌可能な嵌込み穴３３ａが形成された嵌込み穴部３３と、矢印Ｂで示す下流側に向かって挿入された継手２２の外ねじ２５が螺合する内ねじ３４ａを有する継手挿入部３４とによって形成されている。
【００３４】
而して、逆止弁２１と、後述する水撃緩和機構を構成する複数の部材がケース体２０内に予め組み込まれたカートリッジ式の湯側の前記逆止弁部１８を、Ａ方向から収容室３２に挿入してケース体２０の下流端部を嵌込み穴３３ａに嵌込み、この状態で、ケース体２０の上流端部を覆うように、継手２２を継手挿入部３４に挿入して内ねじ３４ａと外ねじ２５を螺合させることにより継手挿入部３４と継手２２を接続する。これにより、カートリッジ式の湯側の前記逆止弁部１８を、逆止弁部収容室３２の嵌込み穴３３ａおよび継手挿入部３４と、継手２２の嵌込み穴部２４の嵌込み穴２４ａに位置させることができ、前記逆止弁部１８を、湯の取り入れ口６４および湯側の樹脂パイプ７間に設けることができる。
【００３５】
次に、ケース体２０内に予め予め組み込まれている部材について説明する。
【００３６】
先ず、ケース体２０は、二分割されており、筒状のカバー２０ａと、このカバー２０ａの底を覆うよう着脱自在に嵌め込まれる下蓋２０ｂとよりなる。
【００３７】
前記カバー２０ａは、上方開口ｅを横切る形で、軸穴部４０と、この軸穴部４０から径方向に延びた複数のリブ４１（図４参照）とを有する。４２は、シール部材（Ｏリング）で、収容室３２の嵌込み穴部３３およびカバー２０ａ間をシールする。
【００３８】
前記下蓋２０ｂは、中央に立設された筒状部４４と、この筒状部４４の底から径方向にリング状に延びカバー２０ａに外嵌する凹部４３とよりなる。
【００３９】
次に、水撃緩和機構を構成する複数の部材について説明する。
【００４０】
４５は、水撃緩和用のバネである。すなわち、水道用コンセント１の継手部１５に接続されている例えば洗濯機用給水ホースを介して継手部１５から水または混合湯水を洗濯機に供給し、供給後に流量調整部１４の前記操作爪１４ａを開の状態から閉の状態に操作してミキシングカートリッジ１０内を通過する水または混合湯水の流れを流量調整バルブ１２で停止したときに、流量調整バルブ１２および前記逆止弁部１８間に形成される二次側流路の圧力が大きくなりウォータハンマー（水撃）現象が発生するのを緩和するために前記水撃緩和用のバネ４５が設けられている。この水撃緩和用のバネ４５は、上流側を下蓋２０ｂの筒状部４４を覆う形で下蓋２０ｂの前記リング状の凹部４３に下端面が当接した状態で載置されている。
【００４１】
また、この水撃緩和用のバネ４５の上端面には前記逆止弁２１の弁座部材４６が載置されている。この弁座部材４６は、下蓋２０ｂの筒状部４４の上方開口４４ａを介して少しだけ摺動可能に内嵌している小径筒部４６ａと、前記水撃緩和用のバネ４５の上端面に底面が当接した状態で載置されている大径筒部４６ｂと、この大径筒部４６ｂの外周面に設けたシール部材（Ｏリング）４６ｃとよりなる。シール部材（Ｏリング）４６ｃは、カバー２０ａおよび弁座部材４６間をシールする。
【００４２】
そして、この水撃緩和用のバネ４５、下蓋２０ｂおよび弁座部材４６より水撃緩和機構が構成されている。
【００４３】
次に、逆止弁機構について説明する。
【００４４】
前記逆止弁２１は、水または混合湯水の逆流や、ウォータハンマー（水撃）現象が発生しない通常の水または混合湯水の供給状態では、水または混合湯水の流速によって弁座部材４６の大径筒部４６ｂから離間するよう機能する。逆止弁２１は、弁座部材４６に当接したり離間したりする基部２１ａと、ケース体２０の前記カバー２０ａの軸穴部４０に挿通可能に設けられる軸部２１ｂと、基部２１ａの外周面に設けたシール部材（Ｏリング）２１ｃとよりなる。シール部材（Ｏリング）２１ｃは、基部２１ａおよび弁座部材４６間をシールする。
【００４５】
４７は、前記カバー２０ａの軸穴部４０および基部２１ａ間に介装されるバネで、逆止弁２１が弁座部材４６に常時当接するよう付勢されている。このバネ４７の付勢力は、水撃緩和用のバネ４５のそれよりも遙に小さい。
【００４６】
而して、逆止弁２１と、水撃緩和機構を構成する上述した複数の部材をケース体２０内に予め組み込むことでカートリッジ式の湯側の前記逆止弁部１８を得ることができる。そして、上述したことから明らかなように、簡単な取り付け作業でカートリッジ式の湯側の前記逆止弁部１８を湯の取り入れ口６４および湯側の樹脂パイプ７間に設けることができる。また、保守点検の作業も容易にできる。更に、前記逆止弁２１、バネ４７および水撃緩和機構を構成する複数の部材を紛失するおそれも無くなる。
【００４７】
【発明の効果】
この発明では、湯側の水撃緩和機構付きの逆止弁部をカートリッジ式としたので、湯の取り入れ口および湯側の樹脂パイプ間に嵌め込むだけの作業で、容易に取り付けできるとともに、容易に取り外しできる。
【００４８】
また、水側の水撃緩和機構付きの逆止弁部をカートリッジ式としたので、水の取り入れ口および水側の樹脂パイプ間に嵌め込むだけの作業で、容易に取り付けできるとともに、容易に取り外しできる。
【図面の簡単な説明】
【図１】この発明の一実施形態における湯・水の流れを説明するための図である。
【図２】（Ａ）は、上記実施形態で用いた湯側の水撃緩和機構付きのカートリッジ式逆止弁部の取り付け状態を示す構成説明図である。
（Ｂ）は、上記実施形態で用いた湯側の水撃緩和機構付きのカートリッジ式逆止弁部の取り付け手順を示す構成説明図である。
【図３】上記実施形態を示す正面図である。
【図４】上記実施形態において、カバープレートを取り外した状態を示す正面図である。
【図５】上記実施形態を示す縦断面図である。
【図６】（Ａ）は、図５における温度調整器（ミキシングカートリッジ）のａ−ａ’線矢視図である。
（Ｂ）は、上記実施形態で用いたミキシングバルブを構成する可動弁体と弁棒を示す分解斜視図である。
（Ｃ）は、上記実施形態で用いたミキシングバルブを構成する可動弁体および固定弁体をそれぞれ示す平面図である。
（Ｄ）は、上記実施形態で用いたミキシングバルブを構成する可動弁体および固定弁体の動作を示す図である。
【図７】従来例の取り付け状態を示す構成説明図である。
【符号の説明】
１…水道用コンセント、２…壁または床あるいは取付用パネル、３…水栓本体、３ａ…流入口、３ｂ…流出口、４…ハウジング本体、６…カバープレート、７…湯側の樹脂パイプ、８…水側の樹脂パイプ、１２…流量調整バルブ、１４…流量調整部、１５…継手部、１８…湯側の水撃緩和機構付きの逆止弁部、１９…水側の水撃緩和機構付きの逆止弁部、２０…ケース体、２０’…ケース体、２０ａ…カバー、２０ｂ…下蓋、２１…逆止弁、２１’…逆止弁、４５…水撃緩和用のバネ、４６…弁座部材、４７…バネ、６３…水の取り入れ口、６４…湯の取り入れ口、７３…出口。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a water outlet provided with a check valve portion with a water hammer mitigation mechanism.
[0002]
[Prior art]
There is a free faucet (single faucet) with a rotary operation handle as a faucet for discharging tap water, etc., but it is fully opened because the outflow (discharge) flow rate is adjusted by rotating the operation handle. However, it is necessary to perform troublesome operations such as pulling up the stopper rod while rotating the operation handle. And there exists a problem that packing deteriorates by repeating such rotation operation of an operation handle. In addition, when the packing deteriorates, even if the operation handle is tightened, water cannot be completely stopped, water leakage occurs, and it is necessary to tighten the operation handle tightly when stopping the water. Power is needed to make it happen.
[0003]
Therefore, as an alternative to a universal faucet (single faucet), the outflow (discharge) flow rate is adjusted by using a ceramic valve body to solve the above problems, and it is attached to a wall or floor or a mounting panel. Even if they are used, water outlets with little advancement from each surface have been used.
[0004]
In FIG. 7, the non-return valve part with the water hammer mitigation mechanism provided in the conventional water outlet is shown. In FIG. 7, 80 is a joint screw-connected to the joint into which the upstream end of the resin pipe is inserted. The faucet body built in the housing of the water outlet has an inlet, an outlet, and a ceramic outlet flow rate adjusting valve body, and has an introduction portion 81 that forms an introduction flow path i communicating with the inlet. Have. The introduction portion 81 is formed to have a storage space S having a U-shaped cross section, and the check valve 82 and other members 83 to 85 , 88 constituting the check valve mechanism and various types in the space S. The water hammer mitigating members 86, 87, 89 , and 90 are assembled in order individually, and finally, the eight members 83 to 90 are positioned and operable by attaching the clip 91 to the inner wall of the introduction portion 81. It becomes.
[0005]
[Problems to be solved by the invention]
However, it is not easy to remove the clip 91 at the time of maintenance and inspection, and the work of sequentially attaching the eight members 83 to 90 on site is troublesome. Moreover, since there are many said members 83-90, there exists a possibility that it may lose during work and conveyance. Furthermore, in the two-valve mixer tap, the check valve portion with the water hammer mitigation mechanism is used on each of the hot water side and the water side, so that the installation work and maintenance work are troublesome twice.
[0006]
The present invention has been made in consideration of the above points, and an object of the present invention is to provide a water outlet capable of easily attaching and removing a check valve portion with a water hammer mitigation mechanism.
[0007]
[Means for Solving the Problems]
In order to achieve the above object, the water outlet according to the present invention includes a hot water intake port through which hot water supplied from the hot water pipe is taken in and a water intake port through which water supplied from the water pipe is taken in through the pipe. An outlet is formed, and an outlet for water or mixed hot water is formed; and further, the outlet includes a temperature regulator having a mixing valve for adjusting the temperature of the mixed hot water, A faucet body having an inlet for water or mixed hot water communicating with the outlet, and an outlet for the flow-adjusted water or mixed hot water to flow out,
It has a flow rate adjustment valve for adjusting the outflow rate of the water or mixed hot water introduced from the inflow port, and can flow out of the outflow port via a transmission mechanism for transmitting the opening / closing operation to the flow rate adjustment valve. A flow rate adjusting unit for adjusting the outflow rate of the water or mixed hot water;
With the faucet body and the flow rate adjusting unit installed, a housing body attached to a wall or floor or a mounting panel;
A cover plate that covers the housing body from the front side;
A joint member provided at the upstream end of the hose is detachable, and includes a joint portion communicating with the outlet,
While providing a check valve portion with a water hammer mitigation mechanism comprising a water hammer mitigation member and a check valve between the hot water inlet and the pipe on the hot water side,
A check valve portion with a water hammer mitigation mechanism provided with a water hammer mitigation member and a check valve is provided between the water intake and the water side pipe,
The hot water side and water side water mitigation members are urged by a water hammer mitigation spring and a spring having a smaller urging force than the water hammer mitigation spring, so that the check valve comes into contact therewith. Including a provided valve seat member,
Configured to obtain water or temperature-controlled mixed hot water ,
The check valve portion with the water hammer mitigation mechanism on the hot water side is configured to be fitted between the hot water intake and the pipe on the hot water side in a state where the water hammer mitigation member and the check valve are incorporated. While having a case body
The check valve portion with the water hammer mitigation mechanism on the water side is configured to be fitted between the water intake and the pipe on the water side in a state where the water hammer mitigation member and the check valve are incorporated. have a the case body,
Moreover, each of the hot water side and water side case bodies is divided into two parts, and includes a cover and a lower lid that is detachably fitted to cover the bottom of the cover,
Further, the hot water side and the water side valve seat members are provided so as to be slidably fitted in the case body via water spring mitigating springs, and at least the water hammer phenomenon does not occur. in a typical water or a mixed hot water supply state, characterized by Rukoto in case the body by the urging of the spring for water撃緩sum is adapted to abut on the cover.
[0008]
In another aspect of the present invention, a hot water intake port for taking in hot water supplied from the hot water pipe through the resin pipe and a water intake port for taking in water supplied from the water pipe through the resin pipe are formed. And an outlet for water or mixed hot water is formed, and further includes a storage portion for storing a fitting type temperature controller provided with a mixing valve for adjusting the temperature of the mixed hot water. A faucet body having an inflow port for communicating water or mixed hot water, and having an outflow port for the flow-adjusted water or mixed hot water to flow out;
A flow rate adjusting valve provided on the upper side of the accommodating portion so as to adjust the outflow rate of the water or mixed hot water introduced from the inflow port, and via a transmission mechanism for transmitting the opening / closing operation to the flow rate adjusting valve; A flow rate adjusting unit that adjusts an outflow rate of the water or mixed hot water that can flow out of the outflow port;
With the faucet body and the flow rate adjusting unit installed from the front side, a housing body attached to a wall or floor or mounting panel;
A cover plate having at least three openings and covering the housing body from the front side;
A joint member provided at the upstream end of the hose is detachable, and includes a joint portion communicating with the outlet,
While providing a check valve portion with a water hammer relaxation mechanism provided with a water hammer relaxation member and a check valve between the hot water inlet and the resin pipe on the hot water side,
A check valve portion with a water hammer relaxation mechanism provided with a water hammer relaxation member and a check valve is provided between the water intake and the resin pipe on the water side,
The hot water side and water side water mitigation members are urged by a water hammer mitigation spring and a spring having a smaller urging force than the water hammer mitigation spring, so that the check valve comes into contact therewith. Including a provided valve seat member,
Configured to obtain water or temperature-controlled mixed hot water ,
The check valve portion with the water hammer mitigation mechanism on the hot water side is configured to be fitted between the hot water intake and the pipe on the hot water side in a state where the water hammer mitigation member and the check valve are incorporated. While the cartridge type check valve portion having a closed case body ,
The check valve portion with the water hammer mitigation mechanism on the water side is configured to be fitted between the water intake and the resin pipe on the water side in a state where the water hammer mitigation member and the check valve are incorporated. A cartridge type check valve portion having a case body made of
Moreover, each of the hot water side and water side case bodies is divided into two parts, and includes a cover and a lower lid that is detachably fitted to cover the bottom of the cover,
Further, the hot water side and the water side valve seat members are provided so as to be slidably fitted in the case body via water spring mitigating springs, and at least the water hammer phenomenon does not occur. in a typical water or a mixed hot water supply state, to provide a water outlet, characterized that you have been configured to abut on the cover in the case body by the urging of the spring for water撃緩sum.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below.
1 to 6 show an embodiment of the present invention.
[0010]
FIG. 1 shows a water outlet using a fitting type temperature controller provided with a mixing valve for adjusting the temperature of mixed hot water and a flow rate adjusting valve for adjusting the outflow rate of water or mixed hot water. Shows the flow of hot water, water, and mixed hot water. FIG. 2 (A) shows a state where a check valve portion with a water hammer mitigation mechanism is attached, and FIG. 2 (B) shows a procedure for attaching the check valve portion with a water hammer mitigation mechanism. FIG. 3 shows a cover plate that covers the housing main body of the water outlet from the front side of the housing main body. FIG. 4 shows the housing main body with the cover plate removed, and water attached to the inside of the housing main body. The stopper main body and the check valve part with a water hammer mitigation mechanism on each of the hot water side and the water side are shown. FIG. 5 shows a longitudinal section of a water outlet. FIG. 6 shows the operation of the mixing valve of the temperature regulator (mixing cartridge).
[0011]
In FIG. 1 to FIG. 6, reference numeral 1 is a water outlet, and the housing is attached to the mounting hole 2 a formed in the wall 2 in the direction (A direction) from the back side of the wall 2 to the surface side of the wall 2. A mounting frame portion 5 sandwiching the entire peripheral edge B of the mounting hole 2a between the resin-made housing main body 4 attached from the back side through the mounting hole 2a and the front outer frame 4a of the housing main body 4 after the housing main body 4 is attached. And a rear surface 6a that comes into contact with the mounting frame portion 5, while being in contact with the mounting frame portion 5, the front outer frame 4a of the housing body 4 and the opening 4b of the housing main body 4 formed in the front outer frame 4a. And a resin cover plate 6 that covers the mounting frame 5.
The water outlet 1 includes the housing body 4, the mounting frame 5 and the cover plate 6, the faucet body 3, the flow rate adjuster 14, and other devices such as a washing machine, a water purifier, a dishwasher, and a water heater. A joint member (not shown) provided at the upstream end of the water supply hose (not shown) mainly comprises a joint portion 15 that is detachable.
[0012]
Further, the housing body 4 includes a faucet body 3, a flow rate adjusting unit 14, a tip (the most downstream end) 7a of the resin pipe 7 connecting the faucet body 3 and the hot water pipe, the faucet body 3 and the water pipe. A resin pipe 8 tip (most downstream end) 8a, a check valve portion 18 with a hot water-side water hammer mitigation mechanism, and a check valve portion 19 with a water-side water hammer mitigation mechanism, which will be described later. A housing space S is housed. In addition, 7b is a bellows-shaped sheath tube for covering the outer peripheral surface of the resin pipe 7 and protecting the resin pipe 7, and 8b is for covering the outer peripheral surface of the resin pipe 8 and protecting the resin pipe 8. It is a bellows-shaped sheath tube. The sheath tube 7b and the sheath tube 8b have the same configuration.
[0013]
The faucet body 3 includes a temperature adjustment chamber (accommodating portion) 11 for accommodating a fitting type temperature controller (mixing cartridge) 10, and a flow rate adjusting portion 14 on the upper side (downstream side) of the temperature adjustment chamber 11. A ceramic flow rate adjusting valve 12 is provided. The temperature adjustment chamber 11 is formed by the wall surface portion 11 a of the faucet body 3.
[0014]
The temperature controller (mixing cartridge) 10 includes a hot water intake 64 for taking in hot water supplied from the hot water pipe through the resin pipe 7, and water for taking in water supplied from the water pipe through the resin pipe 8. In addition to the intake port 63, the hot water / water mixing chamber 74 has an outlet 73 of water or mixed hot water, and further incorporates ceramic mixing valves V 65 and 69 for adjusting the temperature of the mixed hot water. The mixing valve V includes a disk-shaped ceramic fixed valve body 65 and a disk-shaped ceramic movable valve body 69. In addition, M in FIG. 1 is a hot water flow path. Moreover, N in FIG. 1 is a water flow path. Moreover, L in FIG. 1 is a flow path of water or mixed hot water.
And the check valve part 18 with the hot water side water hammer mitigation mechanism is provided between the hot water intake 64 and the hot water side resin pipe 7. The check valve portion 19 with the water-side water hammer mitigation mechanism is provided between the water intake 63 and the water-side resin pipe 8.
[0015]
The faucet body 3 has an inlet 3a for water or mixed hot water communicating with the outlet 73, and an outlet 3b for flowing out the adjusted water or mixed hot water. And the said joint part 15 is connected to the said outflow port 3b in the state which can be rotated 360 degree | times around the central axis C of the said outflow port 3b.
[0016]
The flow rate adjusting unit 14 functions to adjust the outflow rate of the water or mixed hot water that can flow out of the outflow port 3b through a transmission mechanism 13 for transmitting an opening / closing operation to the flow rate adjustment valve 12. . The flow rate adjusting valve 12 adjusts the outflow rate of the water or mixed hot water introduced from the inflow port 3a. The flow rate adjusting valve 12 also includes a disk-shaped ceramic fixed valve body 21a and a disk-shaped ceramic movable valve body 12b.
[0017]
Hereinafter, the temperature controller (mixing cartridge) 10 (see the specification and drawings of Japanese Patent Application No. 11-317325 by the present applicant) will be described.
[0018]
. FIG. 5 shows the appearance of the case body 62 of a temperature controller (hereinafter referred to as a mixing cartridge) 10 that changes the mixing ratio of hot and cold water by the rotation of the temperature adjustment handle 58. FIG. 6A shows a view of the case body 62 taken along the line aa ′ in FIG.
[0019]
5 and 6, the replaceable mixing cartridge 10 is mounted in the temperature adjustment chamber 11 in a watertight state in the temperature adjustment chamber 11. The case body 62 of the mixing cartridge 10 has a hot water inlet 64 and a water inlet 63 on the upstream side. As apparent from FIG. 6, the hot water inlet 64 and the water inlet 63 are provided forward and backward along the axial direction (B direction) of a valve rod 71 (described later) which is the longitudinal direction of the case body 62. Rather than being arranged, they are arranged in parallel in the transverse direction perpendicular to the axial direction. That is, both intakes 63 and 64 are arranged in the X direction instead of the Y direction (the thickness direction of the water outlet 1), so that the size of the cartridge 10 in the Y direction can be avoided. In this embodiment, the length E in the Y direction of the water outlet 1 is 60 mm, which is the same as in each of the above embodiments, but the length M of the mixing cartridge 10 excluding the valve stem protrusion 71c is smaller than that, For example, it is 35 mm.
[0020]
The mixing valve V is located downstream of the hot water inlet 64 and the water inlet 63. The fixed valve body 65 is fixed to the case body 62 in a watertight state, and has a hot water valve hole 66 communicating with the hot water inlet 64 and a water valve hole 67 communicating with the water intake 63 [FIG. (See (C)). Further, a seal packing 68 is provided in both the valve holes 66 and 67 so as to cover the inner walls of the valve holes 66 and 67.
[0021]
The movable valve element 69 slides on the upper surface 65a of the fixed valve element 65 so as to be rotatable. The shape of the lower surface 69a of the movable valve element 69 is semicircular as shown in FIG. That is, the lower surface 69a of the movable valve body 69 slides freely on the upper surface 65a of the fixed valve body 65. The movable valve body 69 adjusts the mixing ratio of hot water and water so as to cover a part of the opening area of the valve holes 66 and 67 (see FIG. 6D) or one opening area of the valve holes 66 and 67. To do. On the other hand, the upper surface 69b of the movable valve body 69 is formed with an engagement protrusion 70 having a T-shape in plan view as shown in FIG.
[0022]
Reference numeral 71 denotes a valve rod fixed to the temperature adjustment handle 58, which is rotatable around the shaft 72 in a state where movement in the axial direction (direction B) is suppressed by the C ring 71b. The shape of the lower surface 71 a of the valve stem 71 is formed in a T-shaped groove 72 shape in plan view that engages with the engagement protrusion 70 of the upper surface 69 b of the movable valve element 69.
[0023]
74 is a hot water mixing chamber of the case body 62, and is provided downstream of the position of the fixed valve body 65. Reference numeral 73 denotes a plurality of outlets of the hot / cold water, which are provided at the peripheral wall position of the case body 62 in the hot / cold water mixing chamber 74. 75 is a hot water / mixed water flow path communicating from the hot / cold water mixing chamber 74 via the outlet 73, and communicates from the inlet 3 a of the faucet body 3 to the outflow flow path 76 of the flow rate adjusting unit 14 via the ceramic flow rate adjusting valve 12. To do.
[0024]
Next, a mechanism for opening and closing the flow rate adjusting unit 14 including the cover plate 6 and the transmission mechanism 13 will be described.
[0025]
The cover plate 6 has three openings 6a, 6b, and 6c in which the operation claws 14a, the joint portion 15, and the temperature adjustment handle 58 of the flow rate adjusting unit 14 are respectively arranged in this order from the top in the height direction in the central portion. . The opening 6a is a rectangle that is horizontally long when viewed from the front, and the remaining openings 6b and 6c are circular when viewed from the front.
[0026]
The flow rate adjusting unit 14 includes the operation claw 14a, a guide piece 14b, and a connecting piece 14c. The transmission mechanism 13 includes a valve stem 13a having a lower surface portion fitted and locked to the movable disk 12b of the flow rate adjusting valve 12, and the valve stem 13a. And a rotating piece 13b that rotates around H. And the rotation piece 13b is connected with the connection piece 14c so that interlocking | linkage is possible. Reference numerals 17 and 17 are guide pieces provided on the upper and lower sides of the back surface of the cover plate 6. By inserting the guide piece 14b between the guide pieces 17 and 17, the guide piece 14b can move one-dimensionally in the lateral direction of the cover plate 6 (direction shown by a double arrow Z) [see FIG. As a result, the opening and closing operation of the operation claw 14a is configured to be capable of one-dimensional operation. As a result, the housing space in the housing body 4 can be reduced in size, the length of the protrusion from the wall 2 of the housing body 4 can be reduced, and the protrusion of the operation claw 14a from the cover plate 6 can also be reduced. It is possible to provide an outlet 1 for water supply.
[0027]
The characteristic configuration of the present invention will be described below.
[0028]
A check valve portion 18 with a hot water-side water hammer mitigation mechanism is provided between the hot water intake 64 of the mixing cartridge 10 and the hot water side resin pipe 7. The check valve portion 18 includes a case body 20 that can be fitted between the hot water inlet 64 and the resin pipe 7 on the hot water side, and a water hammer mitigation member and a check valve that are incorporated in the case body 20 in advance. 21 is a cartridge type.
[0029]
On the other hand, the check valve portion 19 with the water hammer mitigation mechanism on the water side is provided between the water intake 63 of the mixing cartridge 10 and the resin pipe 8 on the water side. The check valve portion 19 includes a case body 20 ′ that can be fitted between the water intake 63 and the water-side resin pipe 8, a water hammer mitigation member that is incorporated in advance in the case body 20 ′, and the reverse. It is a cartridge type having a stop valve 21 '.
[0030]
In the present invention, the check valve portion 18 with the hot water-side water hammer mitigation mechanism and the check valve portion 19 with the water-side water hammer mitigation mechanism have the same configuration. I will explain only.
[0031]
First, the check valve portion 18 is provided between the hot water intake 64 and the hot water side resin pipe 7, and a specific installation position will be described.
[0032]
In FIG. 2 (B), 22 has a threaded portion 23 on the upstream side, the hole 24 the fitting fitting hole 24a upstream end capable fit into the case body 20 on the downstream side is formed It is a joint having an outward flange 30 formed between the two 23 and 24 while having on the downstream side. The screw portion 23 has an outer screw 23a on the outer periphery. The outer screw 23a is screwed into an inner screw formed at the downstream end of a hot water side joint (not shown) in which the distal end (most downstream end) 7a of the hot water side resin pipe 7 is fitted in a watertight state. Further, the hot water side joint 22 has an outer screw 25 on the outer periphery of the fitting hole 24 and a ring groove in which a seal member (O-ring) 26 is fitted at an outer peripheral position immediately downstream of the outward flange 30. 27.
[0033]
On the other hand, the faucet body 3 has a check valve portion accommodating chamber 32 which is provided upstream from the wall surface portion 11 a forming the temperature adjusting chamber (accommodating portion) 11. The accommodation chamber 32 is indicated by an insertion hole 33 formed with an insertion hole 33a into which the downstream end of the case body 20 inserted toward the downstream side indicated by the arrow A can be fitted, and an arrow B. It is formed by the joint insertion part 34 which has the internal thread 34a with which the external thread 25 of the joint 22 inserted toward the downstream side is screwed together.
[0034]
Thus, the check valve portion 18 and a cartridge-type hot water side check valve portion 18 in which a plurality of members constituting a water hammer mitigation mechanism described later are incorporated in advance in the case body 20 are accommodated from the A direction. Inserted into the chamber 32, the downstream end portion of the case body 20 is fitted into the fitting hole 33a, and in this state, the joint 22 is inserted into the joint insertion portion 34 so as to cover the upstream end portion of the case body 20. The joint insertion portion 34 and the joint 22 are connected by screwing the screw 34a and the external screw 25 together. As a result, the check valve portion 18 on the cartridge-type hot water side is inserted into the fitting hole 33a and the joint insertion portion 34 of the check valve portion accommodating chamber 32 and the fitting hole 24a of the fitting hole portion 24 of the joint 22. The check valve portion 18 can be provided between the hot water inlet 64 and the hot water side resin pipe 7.
[0035]
Next, members that are previously incorporated in the case body 20 will be described.
[0036]
First, the case body 20 is divided into two parts, and includes a cylindrical cover 20a and a lower lid 20b that is detachably fitted so as to cover the bottom of the cover 20a.
[0037]
The cover 20a has a shaft hole 40 and a plurality of ribs 41 (see FIG. 4) extending in the radial direction from the shaft hole 40 so as to cross the upper opening e. Reference numeral 42 denotes a seal member (O-ring) that seals between the fitting hole 33 of the storage chamber 32 and the cover 20a.
[0038]
The lower lid 20b includes a cylindrical portion 44 standing at the center, and a concave portion 43 that extends in a ring shape in the radial direction from the bottom of the cylindrical portion 44 and is fitted on the cover 20a.
[0039]
Next, the several member which comprises a water hammer mitigation mechanism is demonstrated.
[0040]
45 is a spring for water hammer relaxation. That is, water or mixed hot water is supplied to the washing machine from the joint portion 15 via, for example, a washing machine water supply hose connected to the joint portion 15 of the water outlet 1, and after the supply, the operation claw 14a of the flow rate adjustment portion 14 is supplied. Is formed between the flow rate adjustment valve 12 and the check valve portion 18 when the flow rate adjustment valve 12 stops the flow of water or mixed hot water passing through the mixing cartridge 10 from the open state to the closed state. The water hammer mitigating spring 45 is provided in order to mitigate the occurrence of a water hammer (water hammer) phenomenon due to an increase in the pressure of the secondary side flow path. The water hammer mitigating spring 45 is placed with the lower end surface in contact with the ring-shaped recess 43 of the lower lid 20b with the upstream side covering the cylindrical portion 44 of the lower lid 20b.
[0041]
A valve seat member 46 of the check valve 21 is placed on the upper end surface of the water hammer mitigating spring 45. The valve seat member 46 includes a small-diameter cylindrical portion 46a that is slidably fitted through the upper opening 44a of the cylindrical portion 44 of the lower lid 20b, and an upper end surface of the water hammer mitigating spring 45. The large-diameter cylindrical portion 46b is placed in a state where the bottom surface is in contact with the sealing member (O-ring) 46c provided on the outer peripheral surface of the large-diameter cylindrical portion 46b. The seal member (O-ring) 46c seals between the cover 20a and the valve seat member 46.
[0042]
The water hammer relaxation spring 45, the lower lid 20b, and the valve seat member 46 constitute a water hammer relaxation mechanism.
[0043]
Next, the check valve mechanism will be described.
[0044]
The check valve 21 has a large diameter of the valve seat member 46 depending on the flow rate of water or mixed hot water in a normal water or mixed hot water supply state in which water or mixed hot water does not flow back or water hammer (water hammer) phenomenon occurs. It functions so as to be separated from the cylindrical portion 46b. The check valve 21 includes a base portion 21a that contacts or separates from the valve seat member 46, a shaft portion 21b that can be inserted into the shaft hole portion 40 of the cover 20a of the case body 20, and an outer peripheral surface of the base portion 21a. And a sealing member (O-ring) 21c provided on the surface. The seal member (O-ring) 21c seals between the base portion 21a and the valve seat member 46.
[0045]
A spring 47 is interposed between the shaft hole portion 40 and the base portion 21a of the cover 20a and is urged so that the check valve 21 always contacts the valve seat member 46. The biasing force of the spring 47 is much smaller than that of the spring 45 for mitigating water hammer.
[0046]
Thus, the check valve portion 18 and the check valve portion 18 on the hot water side of the cartridge type can be obtained by incorporating the check valve 21 and the above-described members constituting the water hammer mitigation mechanism into the case body 20 in advance. As is apparent from the above description, the cartridge-type hot water side check valve portion 18 can be provided between the hot water inlet 64 and the hot water side resin pipe 7 with a simple mounting operation. In addition, maintenance work can be easily performed. Further, there is no risk of losing the check valve 21, the spring 47, and the plurality of members constituting the water hammer mitigation mechanism.
[0047]
【The invention's effect】
In this invention, since the check valve portion with a hot water-side water hammer mitigation mechanism is a cartridge type, it can be easily attached by simply fitting between the hot water inlet and the hot water side resin pipe. Can be removed.
[0048]
In addition, the check valve with water hammer mitigation mechanism on the water side is a cartridge type, so it can be easily attached and removed by simply inserting it between the water intake and the resin pipe on the water side. it can.
[Brief description of the drawings]
FIG. 1 is a diagram for explaining the flow of hot water / water in one embodiment of the present invention.
FIG. 2 (A) is a configuration explanatory view showing an attached state of a cartridge type check valve portion with a hot water-side water hammer mitigation mechanism used in the embodiment.
(B) is a configuration explanatory view showing a mounting procedure of a cartridge type check valve portion with a hot water-side water hammer mitigation mechanism used in the embodiment.
FIG. 3 is a front view showing the embodiment.
FIG. 4 is a front view showing a state where a cover plate is removed in the embodiment.
FIG. 5 is a longitudinal sectional view showing the embodiment.
6A is a view taken along the line aa ′ of the temperature regulator (mixing cartridge) in FIG. 5. FIG.
(B) is an exploded perspective view showing a movable valve body and a valve rod constituting the mixing valve used in the embodiment.
(C) is a top view which respectively shows the movable valve body and fixed valve body which comprise the mixing valve used in the said embodiment.
(D) is a figure which shows operation | movement of the movable valve body and fixed valve body which comprise the mixing valve used in the said embodiment.
FIG. 7 is a configuration explanatory view showing a mounting state of a conventional example.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Water outlet, 2 ... Wall or floor or mounting panel, 3 ... Water faucet body, 3a ... Inlet, 3b ... Outlet, 4 ... Housing body, 6 ... Cover plate, 7 ... Hot water side resin pipe, DESCRIPTION OF SYMBOLS 8 ... Water side resin pipe, 12 ... Flow rate adjustment valve, 14 ... Flow rate adjustment part, 15 ... Joint part, 18 ... Check valve part with hot water side water hammer mitigation mechanism, 19 ... Water side water hammer mitigation mechanism Check valve part, 20 ... Case body, 20 '... Case body, 20a ... Cover, 20b ... Lower lid, 21 ... Check valve, 21' ... Check valve, 45 ... Spring for mitigating water hammer, 46 ... valve seat member, 47 ... spring, 63 ... water intake, 64 ... hot water intake, 73 ... outlet.

Claims

A hot water intake port for taking in hot water supplied from the hot water pipe through the pipe and a water intake port for taking in water supplied from the water pipe through the pipe are formed, and an outlet for water or mixed hot water is formed. And a storage portion for storing a temperature regulator comprising a mixing valve for adjusting the temperature of the mixed hot water, an inlet for water or mixed hot water communicating with the outlet, and a flow rate adjustment A faucet body having an outlet for flowing out the water or mixed hot water,
It has a flow rate adjustment valve for adjusting the outflow rate of the water or mixed hot water introduced from the inflow port, and can flow out of the outflow port via a transmission mechanism for transmitting the opening / closing operation to the flow rate adjustment valve. A flow rate adjusting unit for adjusting the outflow rate of the water or mixed hot water;
With the faucet body and the flow rate adjusting unit installed, a housing body attached to a wall or floor or a mounting panel;
A cover plate that covers the housing body from the front side;
A joint member provided at the upstream end of the hose is detachable, and includes a joint portion communicating with the outlet,
While providing a check valve portion with a water hammer mitigation mechanism comprising a water hammer mitigation member and a check valve between the hot water inlet and the pipe on the hot water side,
A check valve portion with a water hammer mitigation mechanism provided with a water hammer mitigation member and a check valve is provided between the water intake and the water side pipe,
The hot water side and water side water mitigation members are urged by a water hammer mitigation spring and a spring having a smaller urging force than the water hammer mitigation spring, so that the check valve comes into contact therewith. Including a provided valve seat member,
Configured to obtain water or temperature-controlled mixed hot water ,
The check valve portion with the water hammer mitigation mechanism on the hot water side is configured to be fitted between the hot water intake and the pipe on the hot water side in a state where the water hammer mitigation member and the check valve are incorporated. While having a case body
The check valve portion with the water hammer mitigation mechanism on the water side is configured to be fitted between the water intake and the pipe on the water side in a state where the water hammer mitigation member and the check valve are incorporated. have a the case body,
Moreover, each of the hot water side and water side case bodies is divided into two parts, and includes a cover and a lower lid that is detachably fitted to cover the bottom of the cover,
Further, the hot water side and the water side valve seat members are provided so as to be slidably fitted in the case body via water spring mitigating springs, and at least the water hammer phenomenon does not occur. in a typical water or a mixed hot water supply state, water outlet, characterized that you have been configured to abut on the cover in the case body by the urging of the spring for water撃緩sum.

A hot water intake port for taking in hot water supplied from the hot water pipe through the resin pipe and a water intake port for taking in water supplied from the water pipe through the resin pipe are formed, and an outlet for water or mixed hot water is formed. And a storage portion for storing a fitting type temperature controller provided with a mixing valve for adjusting the temperature of the mixed hot water, and an inlet of water or mixed hot water communicating with the outlet A faucet body having an outlet for flowing out the water or mixed hot water whose flow rate has been adjusted;
A flow rate adjusting valve provided on the upper side of the accommodating portion so as to adjust the outflow rate of the water or mixed hot water introduced from the inflow port, and via a transmission mechanism for transmitting the opening / closing operation to the flow rate adjusting valve; A flow rate adjusting unit that adjusts an outflow rate of the water or mixed hot water that can flow out of the outflow port;
With the faucet body and the flow rate adjusting unit installed from the front side, a housing body attached to a wall or floor or mounting panel;
A cover plate having at least three openings and covering the housing body from the front side;
A joint member provided at the upstream end of the hose is detachable, and includes a joint portion communicating with the outlet,
While providing a check valve portion with a water hammer relaxation mechanism provided with a water hammer relaxation member and a check valve between the hot water inlet and the resin pipe on the hot water side,
A check valve portion with a water hammer relaxation mechanism provided with a water hammer relaxation member and a check valve is provided between the water intake and the resin pipe on the water side,
The hot water side and water side water mitigation members are urged by a water hammer mitigation spring and a spring having a smaller urging force than the water hammer mitigation spring, so that the check valve comes into contact therewith. Including a provided valve seat member,
Configured to obtain water or temperature-controlled mixed hot water ,
The check valve portion with the water hammer mitigation mechanism on the hot water side is configured to be fitted between the hot water intake and the pipe on the hot water side in a state where the water hammer mitigation member and the check valve are incorporated. While the cartridge type check valve portion having a closed case body ,
The check valve portion with the water hammer mitigation mechanism on the water side is configured to be fitted between the water intake and the resin pipe on the water side in a state where the water hammer mitigation member and the check valve are incorporated. A cartridge type check valve portion having a case body made of
Moreover, each of the hot water side and water side case bodies is divided into two parts, and includes a cover and a lower lid that is detachably fitted to cover the bottom of the cover,
Further, the hot water side and the water side valve seat members are provided so as to be slidably fitted in the case body via water spring mitigating springs, and at least the water hammer phenomenon does not occur. in a typical water or a mixed hot water supply state, water outlet, characterized that you have been configured to abut on the cover in the case body by the urging of the spring for water撃緩sum.