JP2004353201A - Flushing water feeding structure of flushing toilet bowl - Google Patents

Flushing water feeding structure of flushing toilet bowl Download PDF

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Publication number
JP2004353201A
JP2004353201A JP2003149748A JP2003149748A JP2004353201A JP 2004353201 A JP2004353201 A JP 2004353201A JP 2003149748 A JP2003149748 A JP 2003149748A JP 2003149748 A JP2003149748 A JP 2003149748A JP 2004353201 A JP2004353201 A JP 2004353201A
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Japan
Prior art keywords
water
toilet
bowl
nozzle
water supply
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JP2003149748A
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JP4296843B2 (en
Inventor
Takahiro Nakamura
隆宏 中村
Masato Suzuki
眞人 鈴木
Yoshihiro Nishizaki
喜弘 西崎
Yasushi Sato
靖史 佐藤
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Panasonic Electric Works Co Ltd
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Matsushita Electric Works Ltd
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  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
  • Sanitary Device For Flush Toilet (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide a flushing water feeding structure of a flushing toilet bowl capable of securely supplying a specified volume of flushing water to the whole zone of the bowl irrespective of installation location of the flushing toilet and facilitating the flowing volume adjusting operation of the supplying stream course. <P>SOLUTION: City water is used for the feeding source 18. The water supply course 20 arriving a spout opening 19 provided to face the bowl 2 of a closet 1 from the feeding source 18 is formed in a city water direct connection type in which a water supply tank is not interposed. City water obtained through the water supply course 20 is used as flushing water supplied in the bowl 2 of the closet 1 to make filth flow. A nozzle 10 making it possible to alter the flowing rate is fitted to the spout opening 19. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

【0001】
【発明の属する技術分野】
本発明は、水洗便器の洗浄水供給構造に関する発明である。
【0002】
【従来の技術】
近年、用便後の使用者の局部に温水を当てて局部洗浄を行う温水洗浄装置が普及している。この温水洗浄装置を便器に付設するには、便器のボウル部の後側に載置面を設け、この載置面上に温水洗浄装置を載置してボルトなどの固定具で固定させることで行われている。
【0003】
また、従来から、水洗便器のボウル部内に供給されて汚物を流す洗浄水には給水タンクを介さずに水道を直結させて得られる水道水を利用したものがある。この水道直結型の洗浄水供給構造は、詳しくは、供給源である水道から供給流路を延出し、この供給流路の出口である吐水口を便器のボウル部に臨ませて配置し、水道の水圧を利用して洗浄水をボウル部に勢い良く供給し、ボウル部の全域に所定量の洗浄水を供給できるようにしたものである。
【0004】
上記温水洗浄装置付き水洗便器の洗浄水供給構造に、上記水道直結型を採用したものとしては、たとえば図10のようなものがある(たとえば、特許文献1参照)。このものは、温水洗浄装置6の内部に供給流路20を配設すると共に、温水洗浄装置6の下面に便器1のボウル部2に向けた吐水口19を設けている。なお、図中46は温水洗浄装置6を便器1に付設したとき、吐水口19が挿入されるエルボー管である。便器1ではなく温水洗浄装置6に供給流路20や吐水口19を設けたことで、便器1の形状が簡単になり、便器1と温水洗浄装置6との間に水密構造の形成の必要もなくなる利点が得られている。
【0005】
【特許文献1】
特開2000−96691号公報
【0006】
【発明が解決しようとする課題】
ところで、水洗便器の設置場所にあっては、設置階数など高さの違いや各水道局の管轄の違いによって、水道の水圧が変わるものである。しかして、洗浄水供給構造に水道直結型を採用したものにおいては、水洗便器を設置した場所によっては、水圧が低いため便器のボウル部の全域に所定量の洗浄水を供給させることができない恐れがある。
【0007】
また、仮に供給流路中に流量調節弁が備えられ、便器のボウル部の全域に所定量の洗浄水を供給させるべく、水洗便器の設置施工時にこの流量調節弁を調節することができたとしても、上記図10のもののように、温水洗浄装置6の内部に供給流路20が設けられたものにあっては、温水洗浄装置6の内部にある流量調整弁の調節作業に手間がかかるといった問題がある。
【0008】
本発明は上記の点に鑑みてなされたものであり、水洗便器の設置場所によっても確実に便器のボウル部の全域に所定量の洗浄水を供給させることができ、且つ供給流路の流量調節作業も容易に行い得るような水洗便器の洗浄水供給構造を提供することを課題とするものである。
【0009】
【課題を解決するための手段】
上記課題を解決するために本発明に係る水洗便器の洗浄水供給構造は、水道を供給源18とし、上記供給源18から便器1のボウル部2に臨ませて設けた吐水口19に至る供給流路20を給水タンクが介在しない水道直結型とし、便器1のボウル部2内に供給されて汚物を流す洗浄水として、上記供給流路20を介して得られる水道水を利用するようにした水洗便器であって、上記吐水口19に流量変更可能なノズル10を取り付けたことを特徴とする。
【0010】
これによると、便器1の設置場所などで水道の水圧が異なる場合にも適宜ノズル10にて流量変更を行うことができ、便器1のボウル部2の全域に所定量の洗浄水を確実に供給できる。また、このノズル10の流量調節作業は、ノズル10が便器1のボウル部2に臨む吐水口19に設けられているから、作業者はボウル部2から差し入れた手によって簡単に行うことができる。
【0011】
また、便器1のボウル部2の後部に形成した載置面7に温水洗浄装置6を載置し、便器1に取付具8を取り付けると共に、この取付具8に温水洗浄装置6を枢支させて便器1に対して温水洗浄装置6全体を上下に回動可能にし、この温水洗浄装置6の下面にノズル10を突設したことも好ましい。
【0012】
これによると、温水洗浄装置6を便器1に対して上方に回動することで温水洗浄装置6の下面が便器1上方に向けて露出されるので、広く見易い場所できわめて容易にノズル10の流量調節作業を行うことができる。また、温水洗浄装置6全体を便器1に対して回動できるから、便器1の載置面7の清掃も容易にできる。
【0013】
【発明の実施の形態】
以下、本発明を添付図面に示す実施形態に基づいて説明する。
【0014】
図1乃至図9に本発明の実施の形態の例を示す。本例の水洗便器は、温水洗浄装置6付きであり、その洗浄水供給構造としては水道直結型を採用している。
【0015】
便器1は、陶器製あるいは合成樹脂製であり、その前半部に上方に開口せるボウル部2を、後半部にボウル部2に流した洗浄水を汚物と共に排水させるトラップ部3を有して構成されている。ボウル部2の開口縁には略全周に亙ってリム部4が一体に設けられており、本例では、図3のようにボウル部2の内壁面2aを上方ほど傾斜がきつくなるように立ち上げると共にその上端でボウル部2内方に水返し5を突出した壁状リム4aが採用されている。また、便器1の後半部の上面には温水洗浄装置6を載置する載置面7が設けられている。この載置面7は、ボウル部2の上端面(リム部4の水返し5の上面)と略面一に形成されており、載置面7の後端部には取付具8を取り付けるための取付用孔9が穿孔されている。また、ボウル部2の後端部には、温水洗浄装置6の下面に突設したノズル10を、載置面7に温水洗浄装置6を載置した状態でボウル部2内に収容させる切欠11がリム部4の水返し5を切り欠いて形成されている。トラップ部3は、図4のようなボウル部2の排水口2bに連通した可撓管12を上下に回動させるターントラップ式が採用されている。このターントラップ式のトラップ部3は、図4(a)のようにボウル部2に一定水量の洗浄水が溜まるまで可撓管12を上方に回動させておき、図4(b)のようにボウル部2に一定水量の洗浄水が溜まった時点で可撓管12を下方に回動させてボウル部2の一定水量の洗浄水を汚物と共に一気に排水させるものであり、従来あるハイタンクやロータンクなどの給水タンクを介した洗浄水供給構造のように短時間に大量の洗浄水をボウル部2に供給するタイプではない場合、つまり本例のように洗浄水供給構造に水道直結型が採用された場合には好適に使用される。無論、本例では後述するノズル10の流量設定を大にしたりして適宜設定を行えば、従来からあるサイホン式のトラップ部3を採用することもできる。
【0016】
温水洗浄装置6は、装置本体13と、この装置本体13の前部に回動自在に取り付けた便座14及び便蓋15とで構成されている。装置本体13には、用便後の使用者の局部洗浄を行う局部洗浄機構、便器1のボウル部2に洗浄水を供給する洗浄水供給機構が内装されており、後端近傍の側縁部分には枢支孔16が穿孔されている。局部洗浄機構は、洗浄水を使用者の局部等に向けて噴射させる噴射ノズル17や、該噴射ノズル17へ温水を供給する温水タンク(図示せず)などで構成されている。洗浄水供給機構は、図5のように、洗浄水の供給源18から便器1のボウル部2に臨ませて設けた吐水口19に至る供給流路20に、供給源18側から順に、止水栓21、ストレーナ22、逆止弁23、流量センサ24、電磁弁25、バキュームブレーカ26を備えて構成されている。なお、逆止弁23と流量センサ24との間では局部洗浄機構の温水タンクに至る分岐流路27を分岐させている。上述したように本例の洗浄水供給構造は水道直結型を採用しているので供給源18は水道である。また、吐水口19には流量変更可能なノズル10が取り付けられており、このノズル10は装置本体13の下面に突出するように配置されている。また、本例の洗浄水供給機構では、便器1のボウル部2に一定水量の洗浄水を供給させるのに、流量センサ24で供給流路20内を流れた洗浄水の流量を計測し、一定流量の洗浄水が供給流路20内を流れた時点で制御部28によって電磁弁25を閉じるような制御を行っている。
【0017】
なお、上記ノズル10は、具体的には、図6のように先細円筒状のキャップ29と、先端に向けて突設した軸部30を備えた円筒状のノズル基部31とを有し、キャップ29の後端側内径面に刻設した雌ネジ32にノズル基部31の先端側外径面に刻設した雄ネジ33を螺合させ、キャップ29をノズル基部31に被着して構成されている。ノズル基部31の雄ネジ33に対してキャップ29の雌ネジ32を螺進させることでキャップ29はノズル基部31に対して先後方向に摺動自在にされており、このときノズル基部31の軸部30のキャップ29の先端口29aへの臨み具合が変化することで、キャップ29の先端口29aの開口面積が大小変化可能にされている。つまり、このノズル10はノズル基部31に対するキャップ29の位置調節をすることで、吐水流量(吐水の際の瞬間的な流量)の調整ができるようにされている。
【0018】
上記温水洗浄装置6の便器1への取り付けは、図7のように便器1に取り付けた取付具8に温水洗浄装置6を枢支させることで行われる。ここで、取付具8は、便器1に固定する基部34と、温水洗浄装置6を枢支する枢支軸35を有した枢支部36とを一体に取り付けることで形成される。基部34は、便器1の左右方向に長い水平板部37の長手方向両端からそれぞれ縦板部38を上方に折曲げた扁平U字状の板金具であり、水平板部37には取付用貫通孔39が、縦板部38には軸挿通孔40がそれぞれ穿孔されている。また、枢支部36は垂直板41に枢支軸35が略水平に突設されて形成されている。
【0019】
具体的には、取付具8の基部34を便器1に固定し、基部34の両縦板部38の軸挿通孔40に温水洗浄装置6の枢支孔16を連通させるように温水洗浄装置6を便器1の載置面7に載置させ、連通した軸挿通孔40及び枢支孔16に取付具8の枢支部36の枢支軸35を挿入して枢支部36を基部34に固定することで、温水洗浄装置6の便器1への取り付けが行われる。ここで、取付具8の基部34の便器1への固定は、基部34の取付用貫通孔39と便器1の取付用孔9とを連通させるように便器1の載置面7に基部34の水平板部37を載置し、連通した取付用貫通孔39及び取付用孔9にボルト・ナットなどの固定具42を挿通、締結させることで行われる。また、枢支部36の基部34への取り付けは、基部34の縦板部38の外面に枢支部36の垂直板41を沿わせて複数のビス43を縦板部38及び垂直板41に打入することで行われる。なお、このビス43は枢支軸35を取り囲むように打入される。
【0020】
このように取付具8を介して便器1に取り付けた温水洗浄装置6は、図8のように枢支軸35を中心に上下に温水洗浄装置6全体が回動自在にされている。つまり、通常使用される状態では、図8(a)や図2のように温水洗浄装置6を便器1の載置面7上に載置しておくのであり、載置面7の清掃を行う場合などには図8(b)や図1のように温水洗浄装置6を便器1から離すように上方に回動させるのである。なお、通常の使用状態では、温水洗浄装置6の装置本体13の下面に突設されたノズル10は便器1の切欠11を通ってボウル部2内に配置されるのであるが、温水洗浄装置6を便器1から離すように上方に回動すると、ノズル10は切欠11を通ってボウル部2外に移動し、温水洗浄装置6の下面と同様に便器1の上方に向けて露出した状態とされる。
【0021】
通常の使用状態では、上述したようにノズル10は切欠11からボウル部2内に配設されるのであるが、このときノズル10はボウル部2の内周壁に沿って略前方水平に向くように配置される。しかして、ノズル10から吐水された洗浄水は、初めはリム部4に沿ってボウル部2の開口縁を周回し、周回しながら徐々にボウル部2の内壁面2aを伝って下方に流れるようになり、結果、ボウル部2内で洗浄水が旋回流となり、洗浄水の渦作用によってボウル部2の内壁面2aに付着した汚物を強力に洗い落すようにされている。このように水道直結型の洗浄水供給構造を採用したものは、水道の圧力を利用して吐水口19から指向性をもたせて勢いよく洗浄水を吐水することができるから、本例のような洗浄水にボウル部2内で旋回流を発生させるタイプのものなどには好適に使用される。無論、リム部4として、図9のように、ボウル部2の開口縁の略全周に中空流路44を形成し、中空流路44の下壁に周方向に多数の吐水孔45を穿設した中空リム4bを採用してもよく、この場合には、中空流路44の後端部の上壁に貫通するように切欠11を形成し、中空流路44の上壁上面と面一にされた載置面7に温水洗浄装置6を載置したとき、温水洗浄装置6の下面に突設したノズル10を切欠11を通して中空流路44内に配置するようにすれば、ノズル10から勢い良く吐水された洗浄水が中空流路44内をくまなく周回し、各所の吐水孔45からボウル部2内の全域に洗浄水を至らせるようにできて好ましい。
【0022】
ところで、洗浄水供給構造に水道直結型を採用したものは、従来技術の項でも述べたように、便器1の設置場所によっては便器1のボウル部2の全域に所定量の洗浄水を至らせ得るほどの水道の水圧が得られないことがある。この問題に対し従来では、供給流路20の途中に流量調節弁などを配置しておき、便器1の設置施工時に、流量調節弁の調節を行うことで対処をしていたが、本例にあっては吐水口19に位置するノズル10の流量調節を行うことで対処をしている。このノズル10の流量調節によって、一定の吐水流量を確保し、便器1のボウル部2の全域に所定量の洗浄水を供給できるようにしているのである。
【0023】
そして、このノズル10の流量調節作業は、ノズル10がボウル部2に臨む吐水口19に配置されたことで、ボウル部2から差し入れた手によって行わせることが可能とされており、供給流路20と共に温水洗浄装置6内に内装された流量調節弁を調節する従来のものに比べて、吐水流量の調節作業を容易に行うことが可能にされている。特に、本例の温水洗浄装置付き水洗便器では、ノズル10が下面に突設された温水洗浄装置6全体が便器1に対して上方に回動可能にされているので、図2のように温水洗浄装置6を便器1から離すように上方に回動させてノズル10を便器1の上方に向けて露出させた広く見易い状態にでき、この状態のノズル10に流量調節作業を施すことができるから、きわめて容易にノズル10の流量調節作業を行うことが可能にされている。無論、ノズル10の流量調節作業は、水道の圧力の相違に対処する場合のみならず、ボウル部2の全域に所定量の洗浄水を供給させるための吐水水量の微調節の際にも行われる場合もあるが、この場合にも容易にノズル10の流量調節作業を行うことが可能なのは言うまでもない。
【0024】
なお、洗浄水供給構造に水道直結型を採用したものでは、供給流路20の開閉を行う電磁弁25の制御は時間制御によって行われることが一般的であった。つまり、電磁弁25を一定時間開状態にしてボウル部2に供給する洗浄水の水量を決定していた。この制御方法によると、便器1の設置施工時に吐水流量の調節を行った場合には一定水量の洗浄水をボウル部2に供給できないこともあり、好ましいものではない。これに対して本例では、上述したように供給流路20に流量センサ24を配置し、供給流路20に一定流量の洗浄水が流れた時点で制御部28に電磁弁25を閉塞させる制御方法を採用しているから、ノズル10にて吐水流量を変更しても一定水量の洗浄水を便器1のボウル部2に供給することが確保されたものでもある。
【0025】
【発明の効果】
以上説明したように、本発明では、水道直結型の洗浄水供給構造において、ボウル部に臨ませる吐水口に流量変更可能なノズルを取り付けたので、便器の設置場所などで水道の水圧が異なる場合にも適宜ノズルにて流量変更を行わせることができて便器のボウル部の全域に所定量の洗浄水を供給することを確保すると共に、このノズルの流量調節作業は、ノズルが便器のボウル部に臨む吐水口に設けられているから、作業者はボウル部から差し入れた手によって簡単に行うことが可能とされている。
【図面の簡単な説明】
【図1】本発明の実施の形態の例の温水洗浄装置付き水洗便器において、温水洗浄装置を上方に回動させた状態を示す斜視図である。
【図2】同上の温水洗浄装置付き水洗便器において、温水洗浄装置を便器の載置面に載置した状態(通常の使用状態)を示す斜視図である。
【図3】図1のA断面を示す断面斜視図である。
【図4】(a)(b)は同上のトラップ部を説明する説明図である。
【図5】同上の洗浄水供給構造を説明する流路系統図である。
【図6】同上のノズルの流量調節を説明する説明図であり、(a)は吐水流量を小にした状態であり、(b)は吐水流量を大にした状態である。
【図7】同上の温水洗浄装置付き水洗便器の分解斜視図である。
【図8】(a),(b)は同上の温水洗浄装置の便器への回動を説明する要部拡大図である。
【図9】同上のトラップ部の他例を説明する要部の断面斜視図である。
【図10】従来技術の温水洗浄装置付き水洗便器の例を示す分解側面図である。
【符号の説明】
1 便器
2 ボウル部
6 温水洗浄装置
7 載置面
8 取付具
10 ノズル
18 供給源
19 吐水口
20 供給流路
[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a flush water supply structure for flush toilets.
[0002]
[Prior art]
2. Description of the Related Art In recent years, a hot water washing apparatus that performs local washing by applying hot water to a local area of a user after stool has been widely used. To attach the hot water washing device to the toilet, a mounting surface is provided on the rear side of the bowl portion of the toilet, and the hot water washing device is mounted on the mounting surface and fixed with a fixing device such as a bolt. Is being done.
[0003]
Conventionally, there is a type of flush water which is supplied into a bowl portion of a flush toilet and flows wastes by using tap water obtained by directly connecting a tap without passing through a water supply tank. The water supply structure directly connected to the water supply, specifically, extends a supply flow path from a water supply as a supply source, and arranges a water discharge port as an outlet of the supply flow path facing a bowl portion of a toilet, The flushing water is supplied to the bowl portion vigorously by using the water pressure of (1), so that a predetermined amount of the flushing water can be supplied to the entire region of the bowl portion.
[0004]
FIG. 10 shows an example in which the flush water supply structure of the flush toilet with the hot water flushing device employs the above-mentioned water supply direct connection type (for example, see Patent Document 1). In this apparatus, a supply flow path 20 is provided inside the hot water washing device 6, and a water outlet 19 for the bowl portion 2 of the toilet 1 is provided on a lower surface of the hot water washing device 6. Reference numeral 46 in the figure denotes an elbow pipe into which the spout 19 is inserted when the hot water washing device 6 is attached to the toilet 1. By providing the supply flow path 20 and the spout 19 in the hot water washing device 6 instead of the toilet 1, the shape of the toilet 1 is simplified, and it is also necessary to form a watertight structure between the toilet 1 and the hot water washing device 6. The advantage of disappearance has been obtained.
[0005]
[Patent Document 1]
JP 2000-96691 A
[Problems to be solved by the invention]
By the way, at the place where the flush toilet is installed, the water pressure of the water supply changes due to a difference in height such as the number of floors to be installed and a difference in jurisdiction of each waterworks bureau. However, in the case where the flush water supply structure employs a direct water supply type, there is a possibility that a predetermined amount of flush water cannot be supplied to the entire bowl portion of the toilet due to a low water pressure depending on a place where the flush toilet is installed. There is.
[0007]
Also, suppose that a flow control valve is provided in the supply flow path, and this flow control valve can be adjusted at the time of installation and installation of the flush toilet to supply a predetermined amount of washing water to the entire area of the bowl portion of the toilet. In the case where the supply flow path 20 is provided inside the hot water cleaning device 6 as in FIG. 10 described above, it takes time and effort to adjust the flow rate control valve inside the hot water cleaning device 6. There's a problem.
[0008]
The present invention has been made in view of the above points, and it is possible to reliably supply a predetermined amount of washing water to the entire area of a bowl portion of a toilet bowl even when the flush toilet is installed, and to adjust a flow rate of a supply flow path. It is an object of the present invention to provide a flush water supply structure for a flush toilet that can easily perform operations.
[0009]
[Means for Solving the Problems]
In order to solve the above-mentioned problem, a flush water supply structure for a flush toilet according to the present invention uses water as a supply source 18 and supplies water from the supply source 18 to a water discharge port 19 provided facing the bowl portion 2 of the toilet 1. The flow path 20 is of a direct water supply type without an intervening water supply tank, and tap water obtained through the supply flow path 20 is used as washing water supplied into the bowl portion 2 of the toilet bowl 1 to flow waste. A flush toilet characterized in that a nozzle 10 capable of changing a flow rate is attached to the water outlet 19.
[0010]
According to this, even when the water pressure of the tap water is different at the place where the toilet 1 is installed, the flow rate can be appropriately changed by the nozzle 10, and a predetermined amount of washing water is reliably supplied to the entire area of the bowl 2 of the toilet 1. it can. In addition, since the nozzle 10 is provided at the water discharge port 19 facing the bowl portion 2 of the toilet 1, an operator can easily perform the flow rate adjusting operation of the nozzle 10 with a hand inserted from the bowl portion 2.
[0011]
Further, the hot water cleaning device 6 is mounted on the mounting surface 7 formed at the rear portion of the bowl portion 2 of the toilet 1, and the fixture 8 is attached to the toilet 1, and the hot water cleaning device 6 is pivotally supported by the mounting 8. It is also preferable that the entire hot water washing device 6 be rotatable up and down with respect to the toilet bowl 1, and a nozzle 10 is protruded from the lower surface of the hot water washing device 6.
[0012]
According to this, since the lower surface of the hot water cleaning device 6 is exposed toward the upper side of the toilet 1 by rotating the hot water cleaning device 6 upward with respect to the toilet 1, the flow rate of the nozzle 10 can be extremely easily determined in a place where it is easy to see. Adjustment work can be performed. In addition, since the entire hot water washing device 6 can be rotated with respect to the toilet 1, the mounting surface 7 of the toilet 1 can be easily cleaned.
[0013]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, the present invention will be described based on embodiments shown in the accompanying drawings.
[0014]
1 to 9 show an embodiment of the present invention. The flush toilet of this example is equipped with a hot water flushing device 6 and employs a water supply direct connection type as a flush water supply structure.
[0015]
The toilet bowl 1 is made of ceramic or synthetic resin, and has a bowl part 2 that opens upward in the first half and a trap part 3 in the latter half that drains the washing water flowing into the bowl part 2 together with dirt. Have been. A rim portion 4 is provided integrally with the opening edge of the bowl portion 2 over substantially the entire circumference, and in this example, the inner wall surface 2a of the bowl portion 2 is inclined more upward as shown in FIG. And a wall-shaped rim 4a protruding a water return 5 into the bowl portion 2 at the upper end thereof. A mounting surface 7 on which the hot water cleaning device 6 is mounted is provided on the upper surface of the rear half of the toilet 1. The mounting surface 7 is formed substantially flush with the upper end surface of the bowl portion 2 (the upper surface of the water return 5 of the rim portion 4). Mounting holes 9 are drilled. A notch 11 is provided at the rear end of the bowl portion 2 for accommodating a nozzle 10 protruding from the lower surface of the hot water cleaning device 6 in the bowl portion 2 with the hot water cleaning device 6 mounted on the mounting surface 7. Are formed by cutting off the water return 5 of the rim portion 4. The trap portion 3 employs a turn trap type in which a flexible tube 12 communicating with a drain port 2b of a bowl portion 2 as shown in FIG. In this turn trap type trap portion 3, as shown in FIG. 4A, the flexible tube 12 is rotated upward until a fixed amount of washing water is accumulated in the bowl portion 2, and as shown in FIG. When the fixed amount of washing water is accumulated in the bowl portion 2, the flexible tube 12 is rotated downward to drain the fixed amount of washing water in the bowl portion 2 together with the waste at once. Is not a type that supplies a large amount of cleaning water to the bowl portion 2 in a short time, such as a cleaning water supply structure via a water supply tank, that is, a water supply direct connection type is employed in the cleaning water supply structure as in this example. In this case, it is preferably used. Of course, in this example, a conventional siphon-type trap unit 3 can be employed if the flow rate of the nozzle 10 described later is increased and the setting is appropriately performed.
[0016]
The hot water cleaning device 6 includes an apparatus main body 13, a toilet seat 14 and a toilet lid 15 rotatably attached to a front portion of the apparatus main body 13. The apparatus main body 13 is provided with a local cleaning mechanism for performing local cleaning of a user after stool and a cleaning water supply mechanism for supplying cleaning water to the bowl portion 2 of the toilet 1, and a side edge portion near the rear end. Is provided with a pivot hole 16. The local cleaning mechanism includes an injection nozzle 17 for injecting cleaning water toward the user's local area or the like, a hot water tank (not shown) for supplying hot water to the injection nozzle 17, and the like. As shown in FIG. 5, the washing water supply mechanism stops in the supply flow path 20 from the washing water supply source 18 to the water discharge port 19 provided facing the bowl portion 2 of the toilet 1 in order from the supply source 18 side. A water faucet 21, a strainer 22, a check valve 23, a flow sensor 24, a solenoid valve 25, and a vacuum breaker 26 are provided. Note that a branch flow path 27 leading to the hot water tank of the local cleaning mechanism is branched between the check valve 23 and the flow sensor 24. As described above, since the cleaning water supply structure of this embodiment employs a water supply direct connection type, the supply source 18 is water supply. A nozzle 10 capable of changing the flow rate is attached to the water outlet 19, and the nozzle 10 is arranged so as to protrude from the lower surface of the apparatus main body 13. Further, in the washing water supply mechanism of the present example, in order to supply a constant amount of washing water to the bowl portion 2 of the toilet 1, the flow rate sensor 24 measures the flow rate of the washing water flowing in the supply flow path 20. The control unit 28 performs control such that the electromagnetic valve 25 is closed when the flow rate of the washing water flows in the supply flow path 20.
[0017]
The nozzle 10 specifically has a tapered cylindrical cap 29 as shown in FIG. 6 and a cylindrical nozzle base 31 provided with a shaft 30 protruding toward the tip. A male screw 33 engraved on the distal-side outer diameter surface of the nozzle base 31 is screwed into a female screw 32 engraved on the rear-end inner diameter surface of the nozzle base 29, and the cap 29 is attached to the nozzle base 31. I have. By screwing the female screw 32 of the cap 29 into the male screw 33 of the nozzle base 31, the cap 29 is slidable forward and backward with respect to the nozzle base 31. At this time, the shaft of the nozzle base 31 The opening area of the distal end port 29a of the cap 29 can be changed by changing the degree of approach of the cap 30 to the distal end port 29a. That is, by adjusting the position of the cap 29 with respect to the nozzle base 31 of the nozzle 10, the water discharge flow rate (the instantaneous flow rate at the time of water discharge) can be adjusted.
[0018]
The hot water washing device 6 is attached to the toilet 1 by pivoting the hot water washing device 6 to a fitting 8 attached to the toilet 1 as shown in FIG. Here, the attachment 8 is formed by integrally attaching a base portion 34 fixed to the toilet 1 and a pivot portion 36 having a pivot shaft 35 for pivotally supporting the hot water washing device 6. The base portion 34 is a flat U-shaped metal plate formed by bending a vertical plate portion 38 upward from both longitudinal ends of a horizontal plate portion 37 that is long in the left-right direction of the toilet 1. A hole 39 is formed, and a shaft insertion hole 40 is formed in the vertical plate portion 38. Further, the pivot portion 36 is formed by vertically pivotally protruding a pivot shaft 35 from a vertical plate 41.
[0019]
Specifically, the base 34 of the fixture 8 is fixed to the toilet bowl 1, and the hot water cleaning device 6 is connected to the shaft insertion holes 40 of the vertical plates 38 of the base 34 so that the pivot holes 16 of the hot water cleaning device 6 communicate with each other. Is mounted on the mounting surface 7 of the toilet 1, and the pivot shaft 35 of the pivot portion 36 of the fixture 8 is inserted into the communicating shaft insertion hole 40 and the pivot hole 16 to fix the pivot portion 36 to the base 34. Thus, the hot water washing device 6 is attached to the toilet 1. Here, the base 34 of the fixture 8 is fixed to the toilet 1 by attaching the base 34 to the mounting surface 7 of the toilet 1 so that the mounting through hole 39 of the base 34 communicates with the mounting hole 9 of the toilet 1. This is performed by placing the horizontal plate portion 37 and inserting and fastening fasteners 42 such as bolts and nuts into the mounting through holes 39 and the mounting holes 9 which are communicated with each other. Further, the mounting of the pivot portion 36 to the base portion 34 is performed by driving a plurality of screws 43 into the vertical plate portion 38 and the vertical plate 41 along the vertical plate 41 of the pivot portion 36 along the outer surface of the vertical plate portion 38 of the base portion 34. It is done by doing. The screw 43 is driven so as to surround the pivot shaft 35.
[0020]
As shown in FIG. 8, the hot water cleaning device 6 attached to the toilet 1 via the attachment 8 is configured such that the entire hot water cleaning device 6 is rotatable up and down around a pivot shaft 35. In other words, in the state of normal use, the hot water cleaning device 6 is placed on the placing surface 7 of the toilet 1 as shown in FIG. 8A and FIG. 2, and the placing surface 7 is cleaned. In such a case, the hot water cleaning device 6 is turned upward so as to be separated from the toilet 1 as shown in FIG. 8B and FIG. In a normal use state, the nozzle 10 protruding from the lower surface of the device body 13 of the hot water cleaning device 6 is disposed in the bowl portion 2 through the notch 11 of the toilet bowl 1. When the nozzle 10 is rotated upward away from the toilet 1, the nozzle 10 moves to the outside of the bowl portion 2 through the notch 11, and is exposed to the upper side of the toilet 1 similarly to the lower surface of the hot water washing device 6. You.
[0021]
In a normal use state, the nozzle 10 is disposed in the bowl portion 2 from the notch 11 as described above. At this time, the nozzle 10 is oriented substantially forward and horizontally along the inner peripheral wall of the bowl portion 2. Be placed. Thus, the washing water discharged from the nozzle 10 first goes around the opening edge of the bowl portion 2 along the rim portion 4 and gradually flows downward along the inner wall surface 2a of the bowl portion 2 while going around. As a result, the washing water becomes a swirling flow in the bowl portion 2, and the dirt adhering to the inner wall surface 2a of the bowl portion 2 is strongly washed off by the swirling action of the washing water. As described above, in the case of employing the flush water supply structure directly connected to the water supply, the flush water can be spouted vigorously by giving directivity from the water discharge port 19 using the pressure of the water supply. It is preferably used for a type that generates a swirling flow in the washing water in the bowl portion 2. Needless to say, as shown in FIG. 9, a hollow flow path 44 is formed substantially all around the opening edge of the bowl part 2 as the rim part 4, and a large number of water discharge holes 45 are formed in the lower wall of the hollow flow path 44 in the circumferential direction. The hollow rim 4b provided may be employed. In this case, the notch 11 is formed so as to penetrate the upper wall of the rear end of the hollow flow path 44, and is flush with the upper surface of the upper wall of the hollow flow path 44. When the hot water cleaning device 6 is mounted on the mounting surface 7 formed as described above, if the nozzle 10 protruding from the lower surface of the hot water cleaning device 6 is arranged in the hollow flow path 44 through the notch 11, the It is preferable that the flushing water spouted vigorously circulates in the hollow flow path 44 so that the flushing water can reach the entire area in the bowl portion 2 from the spouting holes 45 at various places.
[0022]
By the way, in the case where the water supply direct connection type is adopted as the washing water supply structure, a predetermined amount of washing water is supplied to the entire area of the bowl portion 2 of the toilet 1 depending on the installation location of the toilet 1 as described in the section of the prior art. The water pressure of the tap water may not be high enough. Conventionally, this problem has been dealt with by arranging a flow control valve or the like in the middle of the supply flow path 20 and adjusting the flow control valve when the toilet 1 is installed. If so, the flow rate of the nozzle 10 located at the water discharge port 19 is adjusted to cope with the problem. By adjusting the flow rate of the nozzle 10, a constant water discharge flow rate is secured, and a predetermined amount of flush water can be supplied to the entire area of the bowl portion 2 of the toilet 1.
[0023]
The flow rate adjusting operation of the nozzle 10 can be performed by a hand inserted from the bowl portion 2 by disposing the nozzle 10 at the water discharge port 19 facing the bowl portion 2. As compared with the conventional apparatus which adjusts the flow control valve provided in the hot water washing device 6 together with the control unit 20, the operation of adjusting the water discharge flow rate can be performed easily. In particular, in the flush toilet with a hot water washing device of the present embodiment, the entire hot water washing device 6 in which the nozzle 10 protrudes from the lower surface is rotatable upward with respect to the toilet 1, so as shown in FIG. The cleaning device 6 can be rotated upward so as to be separated from the toilet bowl 1 so that the nozzle 10 can be exposed to the upper side of the toilet bowl 1 so as to be widely visible and the flow rate adjustment operation can be performed on the nozzle 10 in this state. This makes it possible to adjust the flow rate of the nozzle 10 very easily. Of course, the operation of adjusting the flow rate of the nozzle 10 is performed not only when the difference in the pressure of the water supply is dealt with, but also when finely adjusting the water discharge amount for supplying a predetermined amount of the washing water to the entire area of the bowl portion 2. In some cases, it is needless to say that the operation of adjusting the flow rate of the nozzle 10 can be easily performed in this case as well.
[0024]
In the case where the water supply direct connection type is adopted as the washing water supply structure, the control of the electromagnetic valve 25 for opening and closing the supply flow path 20 is generally performed by time control. That is, the amount of the cleaning water supplied to the bowl portion 2 is determined by keeping the solenoid valve 25 open for a certain period of time. According to this control method, if the water discharge flow rate is adjusted at the time of installation and installation of the toilet 1, a fixed amount of flush water may not be supplied to the bowl portion 2, which is not preferable. On the other hand, in the present embodiment, as described above, the flow rate sensor 24 is disposed in the supply flow path 20, and the control unit 28 closes the electromagnetic valve 25 when a fixed flow rate of the washing water flows in the supply flow path 20. Since the method is adopted, it is ensured that a constant amount of flush water is supplied to the bowl portion 2 of the toilet 1 even if the discharge flow rate is changed by the nozzle 10.
[0025]
【The invention's effect】
As described above, in the present invention, in the flush water supply structure directly connected to the water supply, since the nozzle capable of changing the flow rate is attached to the water discharge port facing the bowl portion, when the water pressure of the water supply differs at the installation location of the toilet, etc. In addition, the flow rate can be changed appropriately by the nozzle to ensure that a predetermined amount of flush water is supplied to the entire area of the bowl portion of the toilet bowl. Is provided at the water outlet, which can be easily carried out by a hand inserted from the bowl portion.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a state in which a hot water cleaning device is rotated upward in a flush toilet with a hot water cleaning device according to an embodiment of the present invention.
FIG. 2 is a perspective view showing a state (normal use state) in which the hot water cleaning device is placed on a mounting surface of the toilet in the flush toilet with a hot water cleaning device according to the first embodiment.
FIG. 3 is a sectional perspective view showing a section A in FIG. 1;
FIGS. 4A and 4B are explanatory diagrams illustrating a trap unit according to the first embodiment.
FIG. 5 is a flow diagram illustrating a cleaning water supply structure according to the first embodiment.
FIGS. 6A and 6B are explanatory diagrams for explaining flow rate adjustment of the nozzle, in which FIG. 6A shows a state in which the water discharge flow rate is reduced, and FIG. 6B shows a state in which the water discharge flow rate is increased.
FIG. 7 is an exploded perspective view of the flush toilet with the hot water flush device according to the first embodiment.
FIGS. 8 (a) and (b) are enlarged views of a main part for explaining rotation of the same hot water washing apparatus to a toilet.
FIG. 9 is a cross-sectional perspective view of a main part illustrating another example of the trap unit according to the first embodiment.
FIG. 10 is an exploded side view showing an example of a conventional flush toilet with a hot water flushing device.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Toilet bowl 2 Bowl part 6 Hot water washing device 7 Mounting surface 8 Mounting tool 10 Nozzle 18 Supply source 19 Water outlet 20 Supply flow path

Claims (2)

水道を供給源とし、上記供給源から便器のボウル部に臨ませて設けた吐水口に至る供給流路を給水タンクが介在しない水道直結型とし、便器のボウル部内に供給されて汚物を流す洗浄水として、上記供給流路を介して得られる水道水を利用するようにした水洗便器であって、上記吐水口に流量変更可能なノズルを取り付けたことを特徴とする水洗便器の洗浄水供給構造。Water supply is a supply source, and the supply flow path from the above supply source to the water discharge port provided facing the bowl portion of the toilet is a direct water supply type without a water supply tank interposed, and cleaning is performed in which waste is supplied into the bowl portion of the toilet and flows. A flush water supply structure for a flush toilet, wherein tap water obtained through the supply flow path is used as water, wherein a nozzle capable of changing a flow rate is attached to the water discharge port. . 便器のボウル部の後部に形成した載置面に温水洗浄装置を載置し、便器に取付具を取り付けると共に、この取付具に温水洗浄装置を枢支させて便器に対して温水洗浄装置全体を上下に回動可能にし、この温水洗浄装置の下面にノズルを突設したことを特徴とする請求項1記載の水洗便器の洗浄水供給構造。The hot water cleaning device is placed on the mounting surface formed at the rear of the bowl portion of the toilet bowl, and a fixture is attached to the toilet bowl. 2. The flush water supply structure for a flush toilet according to claim 1, wherein a nozzle is projected from a lower surface of the warm water washing device so as to be rotatable up and down.
JP2003149748A 2003-05-27 2003-05-27 Wash water supply structure for flush toilet Expired - Fee Related JP4296843B2 (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008303712A (en) * 2008-09-22 2008-12-18 Panasonic Electric Works Co Ltd Toilet bowl device
JP2008303713A (en) * 2008-09-22 2008-12-18 Panasonic Electric Works Co Ltd Toilet bowl device
JP2013501173A (en) * 2009-08-03 2013-01-10 エスエイフラッシュミス リミテッド toilet
WO2014010227A1 (en) * 2012-07-12 2014-01-16 パナソニック株式会社 Discharge device, and toilet device provided with discharge device
JP2016041882A (en) * 2014-08-18 2016-03-31 株式会社Lixil Flush toilet basin
WO2019187615A1 (en) * 2018-03-28 2019-10-03 株式会社Lixil Toilet seat unit and toilet device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008303712A (en) * 2008-09-22 2008-12-18 Panasonic Electric Works Co Ltd Toilet bowl device
JP2008303713A (en) * 2008-09-22 2008-12-18 Panasonic Electric Works Co Ltd Toilet bowl device
JP2013501173A (en) * 2009-08-03 2013-01-10 エスエイフラッシュミス リミテッド toilet
WO2014010227A1 (en) * 2012-07-12 2014-01-16 パナソニック株式会社 Discharge device, and toilet device provided with discharge device
JP2016041882A (en) * 2014-08-18 2016-03-31 株式会社Lixil Flush toilet basin
WO2019187615A1 (en) * 2018-03-28 2019-10-03 株式会社Lixil Toilet seat unit and toilet device
JP2019173413A (en) * 2018-03-28 2019-10-10 株式会社Lixil Toilet seat unit and toilet bowl device
JP7145631B2 (en) 2018-03-28 2022-10-03 株式会社Lixil toilet seat unit

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