JP3951714B2 - Water discharge pipe mounting structure on the toilet - Google Patents

Water discharge pipe mounting structure on the toilet Download PDF

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Publication number
JP3951714B2
JP3951714B2 JP2002006834A JP2002006834A JP3951714B2 JP 3951714 B2 JP3951714 B2 JP 3951714B2 JP 2002006834 A JP2002006834 A JP 2002006834A JP 2002006834 A JP2002006834 A JP 2002006834A JP 3951714 B2 JP3951714 B2 JP 3951714B2
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Prior art keywords
bowl
toilet
water discharge
discharge pipe
water
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JP2002006834A
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JP2003213775A (en
Inventor
好信 内村
弘志 友成
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Toto Ltd
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Toto Ltd
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Description

【０００１】
【発明の属する技術分野】
本発明は、ボウル上壁面に沿わせて洗浄水が供給される便器に洗浄水を吐水するための吐水管の取付構造に関する。
【０００２】
【従来の技術】
従来、ボウル上壁面に沿わせて洗浄水が供給される便器に洗浄水を吐水するための吐水管の取付構造として図２に示すものがある。便器１５のボウル壁面１６上に洗浄水を吐水するノズル１４をノズル１４の基端部を便器１５に取り付けている。ノズル１４は、フランジ部１８を一体的に構成しており、便器１５の挿通孔１９に挿入されたあと、ナット１７がノズル１４にネジ込まれることにより、漏水防止を目的としたパッキン２０と便器１５の陶器壁２１を挟んで固定される。
【０００３】
【発明が解決しようとする課題】
この場合、ノズル１４の先端が固定されていないため、便器１５に洗浄水を吐水する際に、洗浄水の流動によってノズル１４の先端が振動したり、経年変化によってノズル１４の先端が所定の方向からずれるなどして、ボウル面の洗浄不良が発生したり、ボウルからの洗浄水の飛び出しが発生しやすくなるという問題がある。また、ノズル１４の先端がボウル壁面１６に沿っていないため、洗浄水がボウル面全体に行き渡らず洗浄不良が発生することがある。
【０００４】
そこで、本発明の目的は、ボウル上壁面に沿わせて洗浄水を供給する便器において、洗浄水を吐水する吐水管のノズル先端が洗浄水の流動によって振動せず、経年変化によってもノズルの先端が所定の方向からずれることなく安定して洗浄水の吐水が実現できボウル洗浄不良などの問題が発生しない吐水管取付構造を提供することにある。
【０００５】
【課題を解決するための手段およびその作用・効果】
上記課題を解決するために、本発明は、便器（１）のボウル上壁面（１ｃ）に沿わせて洗浄水を吐水するための吐水管（７）の取付構造であって、前記便器（１）は、一端が前記便器（１）のボウル後部でボウル面（１ａ）に連絡した開口部（１ｂ）を形成した給水 路部（２）を備え、前記吐水管（７）は、前記給水路部（２）の前記開口部（１ｂ）と反対側に取り付け固定される基端部（７ｂ）と、少なくとも先端部が屈曲可能な弾性を有するノズル部（７ａ）とを備え、前記基端部（７ｂ）を前記便器（１）に取り付け固定した状態で前記ノズル部（７ａ）の前記先端部近傍が前記ボウル上壁面（１ｃ）に沿って弾性変形することにより、前記先端部が屈曲してボウル上壁面（１ｃ）に常に接触すると共に、前記先端部が前記開口部（１ｂ）と略面一となるように配置されたことを特徴とする。そうすることにより、便器に洗浄水を吐水する際に洗浄水の流動によってノズル部の先端が振動せず、経年変化によってノズル部の先端が所定の方向からずれることもないため、ボウル面の洗浄不良やボウルからの洗浄水の飛び出しを防ぐことができる。また、ノズル部の先端がボウル上壁面に沿っているため、洗浄水がボウル面全体に行き渡り、洗浄不良を防止することができる。
【０００６】
本発明の好ましい態様として、前記ノズル部（７ａ）の先端部の吐水口が上下方向に細長い略長方形であることを特徴とする。そうすることにより、先端部が円形のノズルと同等の開口面積を得る場合、吐水される洗浄水の水流の中心がボウル上壁面に近づくのでノズルからの吐水直後からボウル上壁面に洗浄水をより確実に沿わせて吐水することができる。
【０００７】
さらに本発明の好ましい態様として、前記吐水管（７）の基端部（７ｂ）が水密状態に前記便器（１）の本体に固定されていることを特徴とする。そうすることにより、ボウル上壁面に沿って吐水された洗浄水が、吐水管の基端部より便器外部へ漏水することを防止することができる。
【０００８】
【発明の実施の形態】
以下、本発明の実施例を図面に基づいて説明する。図１は、本発明にかかる便器への吐水管取付構造を示す断面図である。吐水管７は、便器１のボウル上壁面１ｃに沿うように便器洗浄水を吐水するノズル７ａと便器１に取り付け固定するための基端部７ｂを備えている。ノズル７ａの長さは吐水管７を便器１に取り付け固定した状態で、先端部近傍がボウル上壁面１ｃに沿って弾性変形し、しかも先端部が下記に開口部１ｂと略面一となる寸法を有している。
【０００９】
便器１は陶器で形成されており、一端が便器１のボウル後部でボウル面１ａに連絡した開口部１ｂを形成した給水路部２を備えている。給水路部２の便器１の後方側には給水路部２の内部と連通し給水路部２内に向かって拡径するテーパ状の穴形状の貫通孔３が穿設されている。吐水管７の基端部７ｂがガイド部材１２を介して貫通孔３に取り付け固定されている。
【００１０】
ガイド部材１２は、ノズル７の基端部７ｂを内嵌装して保持する硬質部６と、硬質部６と貫通孔３の間に介在される軟質部４により構成されている。硬質部６は、合成樹脂で円筒形状に形成されており、その外周面はネジが加工された小径部６ａと小径部６ａからテーパ状に拡径する拡径部６ｂとからなり内径はノズル７の外径とほぼ同一に形成されている。軟質部４はゴムなどの軟質材で形成されており、その外形は挿通孔３の内面に接触することで水密にするテーパ状の形状を有し、その内形は硬質部６の外形の拡径部６ｂに接触することで水密にするテーパ状の形状を有している。
【００１１】
ガイド部材１２の硬質部６の小径部６ａにナット５を螺合していくことにより硬質部６が給水路部２内と反対側に移動し、拡径部７ｂが軟質部４を介して貫通孔３に係止して固定される。その結果、吐水管７も固定される。
【００１２】
ナット５は、金属や合成樹脂などの硬質材で構成され、図示しない洗浄給水装置に連絡する接続管８との嵌合部にはＯリング９を装着しており、接続管８の内側にＯリング９を介して挿入されることで水密に接続されている。また、ナット５と接続管８の外周にはフランジ状の突起が形成されており、そのフランジ状の突起部にまたがるように特開平８−２９６７７に開示されている所謂配管接続金具１０を装着することで連結されている。さらに、ナット５を硬質部６のネジ部に締め付ける事で、硬質部６は、軟質部４を介して貫通孔３のテーパ形状部に押圧され水密に接触するとともに、接触面がテーパ状であるため硬質部６と貫通孔３の芯はほぼ同一になるように矯正される。
【００１３】
ノズル７ａは、先端部が屈曲可能にゴムあるいは樹脂で一体的に構成されており、ナット５および硬質部６に挿入され、その挿入部の外径はナット５および硬質部６の内径とほぼ同一に形成されている。先端部の形状は、円形状でもよいが上下方向に細長い略長方形でもよく、そうすることでボウル上壁面１ｃに洗浄水がより沿いやすくなる。また、ナット５と硬質部６の挿入部にはＯリング１１が装着されており、洗浄水の外部への漏水を防止している。さらに、屈曲可能な先端部は、便器１のボウル上壁面１ｃに沿うように屈曲してその反力によりボウル上壁面１ｃに常に接触するように位置している。ノズル７ａと硬質部６の嵌合は、公差管理されほぼ同一に形成されている上、ノズル７ａに装着されているＯリング１１の反発力による調芯作用により、ノズル７ａと硬質部６の芯はほぼ同一となる。
【００１４】
結果的に、ノズル７ａと貫通孔３の芯はほぼ同一となるように構成されることになり、ノズル７ａは便器１の貫通孔３に対し好適な位置かつ確実に設置されることになることで、ボウル面の洗浄不良やボウルからの洗浄水の飛び出しを避けることができる。また、軟質部４の内外周および硬質部６の外周は貫通孔３と同様にテーパ状に拡径して構成されているので、ナット５を締め付けた際に貫通孔３への押付け力が高くなり、シール性も確実となる。
【００１５】吐水管７のノズル７ａ、基端部７ｂは便器１のボウル面１ａ後方裏側に使用者から見えない位置でガイド部材１２を介して便器の本体に固定されているので、便器の外観を損なわずに吐水管の接続が可能となる。また、ノズル７ａの接続が基端部７ｂの１ケ所のみでされているので、比較的容易な組立も可能となる。
【００１６】
なお、ナット５と接続管８は、配管接続金具１０で連結されているが、ナット５の外周にネジを構成し、接続管８の先端に袋ナットを装着することでねじ込み接続としてもよい。
【００１７】
また、ノズル７ａは屈曲可能なゴムあるいは樹脂で構成しているが、先端部をより強固にボウル上壁面１ｃに密接させるためにはノズル７ａの材質をより曲げ弾性の高い例えば銅管のような金属としてもよい。
【図面の簡単な説明】
【図１】本発明の一実施例を示す吐水管取付構造を示す断面図。
【図２】従来の吐水管取付構造を示す断面図。
【符号の説明】
１…便器
１ａ…ボウル面
１ｂ…開口部
１ｃ…ボウル上壁面
２…給水路部
３…挿通孔
４…軟質部
５…ナット
６…硬質部
７…吐水管
７ａ…ノズル
７ｂ…基端部
８…接続管
９、１１…Ｏリング
１０…配管接続金具
１２…ガイド部材
１４…ノズル
１５…便器
１６…ボウル壁面
１７…ナット
１８…フランジ部
１９…挿通孔
２０…パッキン
２１…陶器壁[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a water discharge pipe mounting structure for discharging cleaning water to a toilet bowl to which cleaning water is supplied along the upper wall surface of a bowl.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, there is a structure shown in FIG. 2 as a water discharge pipe mounting structure for discharging cleaning water to a toilet bowl supplied with cleaning water along the upper wall surface of the bowl . A nozzle 14 for discharging washing water onto the bowl wall surface 16 of the toilet 15 is attached to the toilet 15 at the base end of the nozzle 14. The nozzle 14 integrally forms a flange portion 18, and after being inserted into the insertion hole 19 of the toilet bowl 15, the nut 17 is screwed into the nozzle 14, so that the packing 20 and the toilet bowl for the purpose of preventing water leakage are provided. It is fixed across 15 ceramic walls 21.
[0003]
[Problems to be solved by the invention]
In this case, since the tip of the nozzle 14 is not fixed, when the wash water is discharged into the toilet 15, the tip of the nozzle 14 vibrates due to the flow of the wash water, or the tip of the nozzle 14 moves in a predetermined direction due to aging. There is a problem that the cleaning of the bowl surface is likely to occur due to misalignment or the like, and cleaning water jumps out of the bowl. In addition, since the tip of the nozzle 14 does not extend along the bowl wall surface 16, the cleaning water may not spread over the entire bowl surface, resulting in poor cleaning.
[0004]
An object of the present invention is a toilet supplies wash water along a bowl on the walls, the nozzle tip of the water discharge pipe for spouting flush water does not vibrate by the flow of the washing water, the nozzle by aging tip Accordingly, it is an object of the present invention to provide a water discharge pipe mounting structure that can stably discharge water for washing without deviating from a predetermined direction and does not cause problems such as poor bowl cleaning.
[0005]
[Means for solving the problems and their functions and effects]
In order to solve the above-mentioned problems, the present invention is a mounting structure of a water discharge pipe (7) for discharging wash water along a bowl upper wall surface (1c) of a toilet (1) , wherein the toilet (1 ) Is provided with a water supply channel part (2) having an opening (1b) with one end communicating with the bowl surface (1a) at the rear part of the bowl of the toilet bowl (1), and the water discharge pipe (7) is connected to the water supply channel A base end portion (7b) that is attached and fixed to the opposite side of the opening (1b) of the portion (2), and an elastic nozzle portion (7a) that can be bent at least at the tip end portion; by elastically deforming along the distal end portion near the bowl on the walls of said (7b) while fixedly attached to the toilet bowl (1) a nozzle portion (7a) (1c), said tip portion is bent While always in contact with the upper wall surface (1c) of the bowl, the tip portion is the opening (1 ) And characterized in that it is arranged so as to be substantially flush. By doing so, the tip of the nozzle part does not vibrate due to the flow of the washing water when the washing water is discharged into the toilet, and the tip of the nozzle part does not deviate from a predetermined direction due to secular change. It can prevent defects and washing water from jumping out of the bowl. Moreover, since the tip of the nozzle portion is along the upper wall surface of the bowl , the cleaning water spreads over the entire bowl surface, and it is possible to prevent poor cleaning.
[0006]
As a preferred aspect of the present invention, the water outlet at the tip of the nozzle portion (7a) is a substantially rectangular shape elongated in the vertical direction. By doing so, if the tip obtain nozzle equivalent opening area of the circular, more wash water to the bowl on the walls immediately after the water discharge from the nozzle since the center of the water flow of the washing water approaches the bowl on the walls spouted Water can be discharged along with certainty.
[0007]
Furthermore, as a preferable aspect of the present invention, the base end (7b) of the water discharge pipe (7) is fixed to the main body of the toilet (1) in a watertight state. By doing so, the wash water discharged along the upper wall surface of the bowl can be prevented from leaking from the proximal end portion of the water discharge pipe to the outside of the toilet.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a cross-sectional view showing a structure for attaching a water discharge pipe to a toilet according to the present invention. The water discharge pipe 7 includes a nozzle 7 a that discharges toilet flush water along the bowl upper wall surface 1 c of the toilet 1 and a base end portion 7 b that is attached and fixed to the toilet 1. The length of the nozzle 7a is such that the vicinity of the tip is elastically deformed along the bowl upper wall surface 1c in a state in which the water discharge pipe 7 is attached to the toilet 1, and the tip is substantially flush with the opening 1b below. have.
[0009]
The toilet 1 is formed of pottery, and includes a water supply channel portion 2 having one end formed with an opening 1b connected to the bowl surface 1a at the rear of the bowl of the toilet 1. On the rear side of the toilet 1 of the water supply channel portion 2, a through hole 3 having a tapered hole shape communicating with the inside of the water supply channel portion 2 and expanding toward the inside of the water supply channel portion 2 is formed. A base end portion 7 b of the water discharge pipe 7 is attached and fixed to the through hole 3 through the guide member 12.
[0010]
The guide member 12 is configured by a hard portion 6 that holds the base end portion 7 b of the nozzle 7 by being fitted therein, and a soft portion 4 that is interposed between the hard portion 6 and the through hole 3. The hard portion 6 is formed of a synthetic resin in a cylindrical shape, and an outer peripheral surface thereof includes a small-diameter portion 6a in which a screw is processed and a large-diameter portion 6b that expands in a tapered shape from the small-diameter portion 6a. The outer diameter is substantially the same. The soft part 4 is made of a soft material such as rubber, and its outer shape has a tapered shape that makes it watertight by contacting the inner surface of the insertion hole 3, and its inner shape is an expansion of the outer shape of the hard part 6. It has a tapered shape that is watertight by contacting the diameter portion 6b.
[0011]
By screwing the nut 5 into the small diameter portion 6 a of the hard portion 6 of the guide member 12, the hard portion 6 moves to the opposite side to the inside of the water supply passage portion 2, and the enlarged diameter portion 7 b penetrates through the soft portion 4. The hole 3 is locked and fixed. As a result, the water discharge pipe 7 is also fixed.
[0012]
The nut 5 is made of a hard material such as metal or synthetic resin, and an O-ring 9 is attached to a fitting portion with a connection pipe 8 connected to a cleaning water supply device (not shown). By being inserted through the ring 9, it is connected in a watertight manner. Further, flange-shaped projections are formed on the outer circumferences of the nut 5 and the connecting pipe 8, and so-called pipe connection fittings 10 disclosed in JP-A-8-29677 are mounted so as to straddle the flange-shaped projections. Are connected. Further, by tightening the nut 5 to the threaded portion of the hard portion 6, the hard portion 6 is pressed against the tapered portion of the through hole 3 via the soft portion 4 and comes into watertight contact, and the contact surface is tapered. Therefore, the cores of the hard part 6 and the through hole 3 are corrected so as to be substantially the same.
[0013]
The nozzle 7a is integrally formed of rubber or resin so that the tip portion can be bent, and is inserted into the nut 5 and the hard portion 6. The outer diameter of the insertion portion is substantially the same as the inner diameter of the nut 5 and the hard portion 6. Is formed. The shape of the tip may be circular, but it may be a substantially rectangular shape elongated in the vertical direction, so that the cleaning water can more easily follow the bowl upper wall surface 1c. Further, an O-ring 11 is attached to the insertion portion of the nut 5 and the hard portion 6 to prevent leakage of the cleaning water to the outside. Further, the bendable tip portion is positioned so as to bend along the bowl upper wall surface 1c of the toilet 1 and always contact the bowl upper wall surface 1c by the reaction force. The fitting between the nozzle 7a and the hard portion 6 is formed to be substantially the same with tolerances being controlled, and the center of the nozzle 7a and the hard portion 6 is adjusted by the aligning action by the repulsive force of the O-ring 11 attached to the nozzle 7a. Are almost identical.
[0014]
As a result, the cores of the nozzle 7a and the through-hole 3 are configured to be substantially the same, and the nozzle 7a is installed in a suitable position and reliably with respect to the through-hole 3 of the toilet bowl 1. Thus, it is possible to avoid poor cleaning of the bowl surface and splashing of cleaning water from the bowl. Further, since the inner and outer peripheries of the soft part 4 and the outer periphery of the hard part 6 are configured to have a taper-like diameter similarly to the through hole 3, the pressing force to the through hole 3 when the nut 5 is tightened is high. Therefore, sealing performance is also ensured.
Since the nozzle 7a and the base end portion 7b of the water discharge pipe 7 are fixed to the main body of the toilet bowl via the guide member 12 at a position behind the bowl surface 1a of the toilet bowl 1 so as not to be seen by the user, the appearance of the toilet bowl It becomes possible to connect the water discharge pipe without damaging it. Further, since the nozzle 7a is connected only at one location of the base end portion 7b, it is possible to assemble relatively easily.
[0016]
Although the nut 5 and the connection pipe 8 are connected by the pipe connection fitting 10, a screw may be formed on the outer periphery of the nut 5 and a cap nut may be attached to the tip of the connection pipe 8 for screw connection.
[0017]
Further, the nozzle 7a is made of a bendable rubber or resin. However, in order to make the tip portion tightly contact the upper wall surface 1c of the bowl, the material of the nozzle 7a is made of a material having higher bending elasticity such as a copper tube. It is good also as a metal.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view showing a water discharge pipe mounting structure according to an embodiment of the present invention.
FIG. 2 is a cross-sectional view showing a conventional water discharge pipe mounting structure.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Toilet bowl 1a ... Bowl surface 1b ... Opening part 1c ... Bowl upper wall surface 2 ... Water supply channel part 3 ... Insertion hole 4 ... Soft part 5 ... Nut 6 ... Hard part 7 ... Water discharge pipe 7a ... Nozzle 7b ... Base end part 8 ... Connection pipes 9, 11 ... O-ring 10 ... Pipe connection fitting 12 ... Guide member 14 ... Nozzle 15 ... Toilet 16 ... Bowl wall surface 17 ... Nut 18 ... Flange 19 ... Insertion hole 20 ... Packing 21 ... Pottery wall

Claims (3)

便器のボウル上壁面に沿わせて洗浄水を吐水するための吐水管の取付構造であって、
前記便器は、一端が前記便器のボウル後部でボウル面に連絡した開口部を形成した給水路部を備え、
前記吐水管は、前記給水路部の前記開口部と反対側に取り付け固定される基端部と、少なくとも先端部が屈曲可能な弾性を有するノズル部とを備え、
前記基端部を前記便器に取り付け固定した状態で前記ノズル部の前記先端部近傍が前記ボウル上壁面に沿って弾性変形することにより、前記先端部が屈曲してボウル上壁面に常に接触すると共に、前記先端部が前記開口部と略面一となるように配置されたことを特徴とする便器への吐水管取付構造。A water discharge pipe mounting structure for discharging wash water along the upper wall surface of the toilet bowl ,
The toilet is provided with a water supply channel having one end formed with an opening communicating with the bowl surface at the rear of the bowl of the toilet,
The water discharge pipe includes a base end portion attached and fixed to the side opposite to the opening of the water supply channel portion, and a nozzle portion having elasticity that allows at least a distal end portion to be bent,
By the distal end portion near the base end of the nozzle portion in a state attached and fixed to the toilet bowl is elastically deformed along the bowl on the walls, together with the tip is always in contact with the bowl on the walls by bending A structure for attaching a water discharge pipe to a toilet , wherein the tip is disposed so as to be substantially flush with the opening . 前記ノズル部の先端部の吐水口が上下方向に細長い略長方形であることを特徴とする請求項１に記載の便器への吐水管取付構造。  The water discharge tube mounting structure for a toilet according to claim 1, wherein the water discharge port at the tip of the nozzle portion is a substantially rectangular shape elongated in the vertical direction. 前記吐水管の基端部が水密状態に前記便器の本体に固定されていることを特徴とする請求項１または請求項２に記載の便器への吐水管取付構造。  The structure for attaching a water discharge pipe to a toilet according to claim 1 or 2, wherein a base end portion of the water discharge pipe is fixed to a main body of the toilet bowl in a watertight state.
JP2002006834A 2002-01-16 2002-01-16 Water discharge pipe mounting structure on the toilet Expired - Fee Related JP3951714B2 (en)

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JP5414241B2 (en) * 2008-10-28 2014-02-12 株式会社Ｌｉｘｉｌ Toilet bowl cleaning nozzle
JP6041183B2 (en) * 2011-12-19 2016-12-07 パナソニックＩｐマネジメント株式会社 Flush toilet
JP2015161117A (en) * 2014-02-27 2015-09-07 パナソニックＩｐマネジメント株式会社 flush toilet
JP5906443B2 (en) * 2015-04-21 2016-04-20 パナソニックＩｐマネジメント株式会社 Flush toilet
EP3674491B1 (en) 2018-12-28 2021-09-01 Shanghai Kohler Electronics, Ltd. Water supply assembly of a toilet
US11371228B2 (en) 2018-12-28 2022-06-28 Kohler Co. Flushing assembly, water supply assembly, lower position water suction assembly, water tank, check valve for use in a toilet, and method, device, and storage medium for controlling toilet water consumption
CN109518775B (en) * 2018-12-28 2021-04-13 上海科勒电子科技有限公司 Toilet bowl
US11668085B2 (en) * 2019-02-28 2023-06-06 Kohler Co. Rim jet nozzle system for toilets

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JPH06287989A (en) * 1993-04-06 1994-10-11 Toto Ltd Flush toilet bowl
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JP2001003433A (en) * 1999-06-21 2001-01-09 Toto Ltd Flushing stool
JP2001279791A (en) * 2000-03-31 2001-10-10 Toto Ltd Flush toilet

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