JP5617311B2 - Cleaning toilet seat device - Google Patents

Cleaning toilet seat device Download PDF

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JP5617311B2
JP5617311B2 JP2010079422A JP2010079422A JP5617311B2 JP 5617311 B2 JP5617311 B2 JP 5617311B2 JP 2010079422 A JP2010079422 A JP 2010079422A JP 2010079422 A JP2010079422 A JP 2010079422A JP 5617311 B2 JP5617311 B2 JP 5617311B2
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water
water supply
air gap
orifice
toilet seat
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JP2011208475A (en
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真一 梶野
真一 梶野
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Aisin Corp
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Aisin Seiki Co Ltd
Aisin Corp
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    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D9/00—Sanitary or other accessories for lavatories ; Devices for cleaning or disinfecting the toilet room or the toilet bowl; Devices for eliminating smells
    • E03D9/08—Devices in the bowl producing upwardly-directed sprays; Modifications of the bowl for use with such devices ; Bidets; Combinations of bowls with urinals or bidets; Hot-air or other devices mounted in or on the bowl, urinal or bidet for cleaning or disinfecting

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
  • Sanitary Device For Flush Toilet (AREA)
  • Molecular Biology (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)

Description

本発明は、温水タンク等の洗浄水の上水への逆流防止および捨て水の量を低減する洗浄便座装置に関する。   The present invention relates to a cleaning toilet seat device that prevents backflow of clean water into a clean water such as a hot water tank and reduces the amount of waste water.

特許文献１には、水道管（上水）から給水された水道水を加熱し貯留する温水タンクおよび温水タンク内の温水を人体局部に対して噴出するノズルを備え、温水タンクの下流の洗浄水（温水）が逆流し温水タンクへ侵入することを防止し、また、水道管からの給水により温水タンクから押し出される温水のうちノズルからの噴出量を超える温水を捨て水として排水するエアギャップが、温水タンクの下流に配設されている洗浄便座装置の給水構造が開示されている。   Patent Document 1 includes a hot water tank that heats and stores tap water supplied from a water pipe (water supply), and a nozzle that ejects the hot water in the hot water tank to a local body part, and the wash water downstream of the hot water tank An air gap that prevents hot water from flowing back and entering the hot water tank, and draining hot water that exceeds the amount ejected from the nozzle out of the hot water tank that is pushed out of the hot water tank by water supply from the water pipe, A water supply structure for a cleaning toilet seat device disposed downstream of a hot water tank is disclosed.

特開２００１−２２７０３６号公報JP 2001-227036 A

しかしながら、特許文献１の洗浄便座装置の給水構造においては、水道管（上水）の水道水が負圧状態となった場合、タンク内の洗浄水が水道管に逆流してしまう恐れがある。また、エアギャップからの捨て水の量は水道管からの給水量に依存し増加してしまう恐れがある。   However, in the water supply structure of the cleaning toilet seat device of Patent Document 1, when the tap water in the water pipe (water supply) is in a negative pressure state, the cleaning water in the tank may flow back to the water pipe. In addition, the amount of waste water from the air gap may increase depending on the amount of water supplied from the water pipe.

本発明は、上記の問題に鑑みてなされたものであり、温水タンク等の洗浄水の水道管（上水）への逆流を防止し、捨て水の量を低減する洗浄便座装置を提供することを課題とする。   The present invention has been made in view of the above problems, and provides a flush toilet seat device that prevents backflow of wash water such as a hot water tank into a water pipe (clean water) and reduces the amount of waste water. Is an issue.

上記の技術的課題を解決するために本発明にて講じられた第１の技術的手段は、洗浄機構および前記洗浄機構へ水道管から水道水の給水・止水を行う給水バルブを有する洗浄便座装置であって、前記給水バルブの後方に水道水の逆流を防止し捨て水を排水するエアギャップ機構が配設され、前記エアギャップ機構と前記給水バルブとの間に水道水の流入量を制限するオリフィスが配設され、前記オリフィスは、前記エアギャップ機構に一体的に設けられる洗浄便座装置としたことである。 In order to solve the above technical problem, a first technical means taken in the present invention is a cleaning toilet seat having a cleaning mechanism and a water supply valve for supplying / stopping tap water from a water pipe to the cleaning mechanism. An air gap mechanism that prevents backflow of tap water and drains waste water is disposed behind the water supply valve, and restricts the amount of tap water flowing between the air gap mechanism and the water supply valve. An orifice is provided, and the orifice is a cleaning toilet seat device provided integrally with the air gap mechanism .

第２の技術的手段は、前記オリフィスは、前記エアギャップ機構に交換可能に設けられる第１の技術的手段の洗浄便座装置としたことである。
 Second technical means, wherein the orifice is to have a washing toilet seat apparatus of the first technical manual stage provided exchangeably on the air gap mechanism.

請求項１の発明によると、給水バルブの後方にエアギャップ機構を配設し、給水バルブとエアギャップ機構との間にオリフィスを配設するため、洗浄水の水道管への逆流が防止され、捨て水の量が低減される。   According to the invention of claim 1, since the air gap mechanism is disposed behind the water supply valve, and the orifice is disposed between the water supply valve and the air gap mechanism, the backflow of the cleaning water to the water pipe is prevented, The amount of waste water is reduced.

また、オリフィスはエアギャップ機構に一体的に設けられるため、構造がコンパクトになり、組み付けが簡単になる。 Further, since the orifice is provided integrally with the air gap mechanism, the structure is compact and the assembly is simple.

請求項２の発明によると、オリフィスはエアギャップ機構に交換可能に設けられるため、例えば、ポンプの吐水量毎にエアギャップ機構設けることなく、オリフィスのみの交換でよい。 According to the invention of claim 2 , since the orifice is provided in the air gap mechanism in a replaceable manner, for example, only the orifice may be exchanged without providing the air gap mechanism for each water discharge amount of the pump.

本発明の実施例にかかる洗浄便座装置を示す平面図である。It is a top view which shows the washing toilet seat apparatus concerning the Example of this invention. 本発明の実施例の給水系統図である。It is a water supply system diagram of the Example of this invention. 本発明の実施例にかかるエアギャップ機構の断面図である。It is sectional drawing of the air gap mechanism concerning the Example of this invention.

本発明の実施の形態を、図１乃至図３に示す本発明の実施例に基づいて以下に説明する。   Embodiments of the present invention will be described below based on the embodiments of the present invention shown in FIGS.

図１は、洗浄便座装置１００の平面図で、図２は、給水系統図である。   FIG. 1 is a plan view of the cleaning toilet seat device 100, and FIG. 2 is a water supply system diagram.

洗浄便座装置１００は、便器Ｂの後部上方に配設され、給水された水道水（洗浄水）を図示しないヒータにより加熱し貯溜する温水タンク（タンク）１０を有する。   The cleaning toilet seat device 100 includes a hot water tank (tank) 10 that is disposed above the rear part of the toilet bowl B and stores the supplied tap water (washing water) by heating it with a heater (not shown).

温水タンク１０の下流には、進退自在で温水を噴出し人体の局部を洗浄するノズル（洗浄機構）２０が連結されている。ノズル２０は、肛門洗浄用ノズル２１とビデ洗浄ノズル２２を有する。   Downstream of the hot water tank 10 is connected a nozzle (cleaning mechanism) 20 that is capable of moving back and forth and ejects hot water to clean local parts of the human body. The nozzle 20 includes an anal cleaning nozzle 21 and a bidet cleaning nozzle 22.

温水タンク１０の上流には、温水タンク１０に給水するポンプ３０が連結されている。温水タンク１０内の温水は、操作部４０が操作されると作動するポンプ３０から圧送される水道水（洗浄水）により押し出され、温水タンク１０に連結されるノズル２０から噴出し、局部を洗浄する。   A pump 30 for supplying water to the hot water tank 10 is connected upstream of the hot water tank 10. The hot water in the hot water tank 10 is pushed out by tap water (wash water) fed from a pump 30 that operates when the operation unit 40 is operated, and is ejected from a nozzle 20 connected to the hot water tank 10 to wash the local area. To do.

ポンプ３０の上流には、ポンプ３０の作動開始または停止に合わせて開閉され、水道管（上水）ＷＬの水道水をポンプ３０へ送水または止水する給水バルブ５０が配設されている。給水バルブ５０とポンプ３０との間には、ポンプ３０に送水した水道水の逆流を防止し捨て水を排水するエアギャップ機構６０が設けられている。   A water supply valve 50 that opens and closes in accordance with the start or stop of the operation of the pump 30 and supplies or stops the tap water of the water pipe (water supply) WL to the pump 30 is disposed upstream of the pump 30. An air gap mechanism 60 is provided between the water supply valve 50 and the pump 30 to prevent backflow of tap water sent to the pump 30 and drain waste water.

図３は、エアギャップ機構６０の断面図である。   FIG. 3 is a cross-sectional view of the air gap mechanism 60.

エアギャップ機構６０は、有底略円筒状の円筒６１からなり、上部に給水バルブ５０に連結され水道水が給水される給水口６２が形成され、下部にポンプ３０に連結され吐水する吐水口６３が形成されている。給水口６２は、円筒６１内に延出する筒状の延出部６２ａを有する。給水口６２と吐水口６３は、上下方向において離間し設けられている。円筒６１の周壁の給水口６２と吐水口６３との間には、便器Ｂに向けて斜め下方に延出する筒状の延出部６４ａを有し、大気に開口する開口部６４が形成されている。   The air gap mechanism 60 is composed of a substantially cylindrical cylinder 61 with a bottom, a water supply port 62 that is connected to the water supply valve 50 and supplied with tap water is formed in the upper part, and a water discharge port 63 that is connected to the pump 30 and discharges water in the lower part. Is formed. The water supply port 62 has a cylindrical extension 62 a that extends into the cylinder 61. The water supply port 62 and the water discharge port 63 are spaced apart in the vertical direction. Between the water supply port 62 and the water discharge port 63 on the peripheral wall of the cylinder 61, there is formed a cylindrical extension portion 64a extending obliquely downward toward the toilet bowl B, and an opening portion 64 opening to the atmosphere is formed. ing.

円筒６１内の吐水口６３の周囲には底部６５から立設される壁部６６が形成されている。壁部６６を挟んで吐水口６３と反対側には滞留室６７が形成され、吐水口６３側には給水室６８が形成される。滞留室６７と給水室６８とにより貯水室６９が形成される。壁部６６の上端は、開口部６４の下端より低く形成されている。壁部６６は、円筒６１の底部６５と一体に形成され、Ｏリングを介して円筒６１に水密的に結合されている。   A wall portion 66 standing from the bottom portion 65 is formed around the water outlet 63 in the cylinder 61. A staying chamber 67 is formed on the opposite side of the water discharge port 63 with the wall 66 interposed therebetween, and a water supply chamber 68 is formed on the water discharge port 63 side. A water storage chamber 69 is formed by the retention chamber 67 and the water supply chamber 68. The upper end of the wall 66 is formed lower than the lower end of the opening 64. The wall 66 is formed integrally with the bottom 65 of the cylinder 61 and is watertightly coupled to the cylinder 61 via an O-ring.

給水口６２から流入した水道水は落水し貯水室６９に貯留され、開口部６４の下端を越える水道水は、開口部６４から便器Ｂへ排水され、捨て水となる。   The tap water that flows in from the water supply port 62 falls and is stored in the water storage chamber 69, and the tap water that exceeds the lower end of the opening 64 is drained from the opening 64 to the toilet bowl B and becomes waste water.

貯水室６９に貯留される水道水は、給水バルブ５０による止水時等で発生する負圧（例えば水道管ＷＬ内の圧力変動に基づき発生する負圧）により水道管ＷＬ内へ吸引されようとするが、開口部６４から大気が吸入され負圧が解消され、給水口６２延いては水道管ＷＬへ逆流しない。   The tap water stored in the water storage chamber 69 is sucked into the water pipe WL by a negative pressure (for example, a negative pressure generated based on a pressure fluctuation in the water pipe WL) generated when the water supply valve 50 is stopped. However, air is sucked from the opening 64 and the negative pressure is eliminated, and the water supply port 62 does not flow back to the water pipe WL.

また、滞留室６７に落水した水道水には水泡が発生する。水泡は開口部６４の下端まで貯留される水道水の水面に上昇する。このとき、水面下の水泡のない水道水は、壁部６６の上端を越え給水室６８に流入する。これにより、水泡の無い水道水が給水室６８から吐水口６３を通してポンプ３０に送水され、所期の量の水道水が温水タンク１０に給水される。   Further, water bubbles are generated in the tap water that has fallen into the retention chamber 67. The water bubbles rise to the surface of the tap water stored up to the lower end of the opening 64. At this time, tap water without water bubbles below the water surface passes over the upper end of the wall 66 and flows into the water supply chamber 68. Thereby, tap water without water bubbles is sent from the water supply chamber 68 to the pump 30 through the water outlet 63, and a desired amount of tap water is supplied to the hot water tank 10.

エアギャップ機構６０と給水バルブ５０との間には、オリフィス７０が配設されている。オリフィス７０は、給水口６２に一体的に設けられている。これにより、オリフィス７０とエアギャップ機構６０の構造がコンパクトになると共に、組み付けが簡単になる。オリフィス７０により、給水口６２から流入する水道水の量が絞られ（制限され）、オリフィス７０の開口面積により規定される所定流量の水道水が貯水室６９へ送水される。これにより、給水口６２から流入する水道水のうちポンプ３０の圧送流量（または、ノズル２０からの噴出量）を超え開口部６４から便器Ｂへ排水される捨て水の量が、低減される。ただし、オリフィス７０により規定される流量は、ポンプ３０から圧送される流量と比べて多く設定されることが望ましい。   An orifice 70 is disposed between the air gap mechanism 60 and the water supply valve 50. The orifice 70 is provided integrally with the water supply port 62. Thereby, the structure of the orifice 70 and the air gap mechanism 60 becomes compact, and the assembly becomes easy. The amount of tap water flowing from the water supply port 62 is reduced (limited) by the orifice 70, and a predetermined amount of tap water defined by the opening area of the orifice 70 is sent to the water storage chamber 69. Thereby, the amount of the waste water drained from the opening part 64 to the toilet bowl B exceeding the pumping flow rate (or the ejection amount from the nozzle 20) of the tap water flowing from the water supply port 62 is reduced. However, it is desirable that the flow rate defined by the orifice 70 is set larger than the flow rate fed from the pump 30.

オリフィス７０は、給水口６２と共に、例えば、嵌合構造により、エアギャップ機構６０（円筒６１）に着脱自在に交換可能である。これにより、オリフィス７０は、洗浄便座装置１００の種類或いはポンプ３０の圧送量毎にエアギャップ機構６０を設けることなく、オリフィス７０のみの交換でよい。   The orifice 70 can be detachably replaced with the air gap mechanism 60 (cylinder 61) together with the water supply port 62 by, for example, a fitting structure. Thus, the orifice 70 may be replaced only by replacing the orifice 70 without providing the air gap mechanism 60 for each type of the toilet seat device 100 or the pumping amount of the pump 30.

次に、本実施例の作動について説明する。   Next, the operation of this embodiment will be described.

人体の局部を洗浄するため、操作部４０の操作を開始すると、ポンプ３０が作動すると共に給水バルブ５０が開弁される。   When the operation of the operation unit 40 is started in order to clean the local part of the human body, the pump 30 is activated and the water supply valve 50 is opened.

ポンプ３０の作動により、温水タンク１０に水道水が圧送され、この送水により温水タンク１０内の温水が押し出され、押し出された温水がノズル２０から噴出され、局部の洗浄を行う。   By the operation of the pump 30, tap water is pumped to the hot water tank 10, the hot water in the hot water tank 10 is pushed out by this water feed, and the hot water pushed out is ejected from the nozzle 20 to perform local cleaning.

このとき、給水バルブ５０の開弁により、水道管ＷＬの水道水が水圧により給水バルブ５０からエアギャップ機構６０へ送水される。エアギャップ機構６０には、給水口６２にオリフィス７０が設けられており、給水口６２から流入した水道水は、オリフィス７０により流量が制限される。   At this time, tap water in the water pipe WL is fed from the feed water valve 50 to the air gap mechanism 60 by water pressure by opening the feed water valve 50. The air gap mechanism 60 is provided with an orifice 70 at the water supply port 62, and the flow rate of tap water flowing from the water supply port 62 is restricted by the orifice 70.

オリフィス７０により制限された流量の水道水は、エアギャップ機構６０の貯水室６９に落水し、ポンプ３０により温水タンク１０に圧送される。このとき、オリフィス７０により制限された水道水の流量がポンプ３０から圧送される流量を超えると、開口部６４の下端を越え、開口部６４から便器Ｂへ捨て水として排水される。ところで、給水口６２から流入する水道水は、オリフィス７０により流量が制限されるため、捨て水の量は低減される。   The tap water having a flow rate limited by the orifice 70 falls into the water storage chamber 69 of the air gap mechanism 60 and is pumped to the hot water tank 10 by the pump 30. At this time, if the flow rate of tap water limited by the orifice 70 exceeds the flow rate pumped from the pump 30, it passes over the lower end of the opening 64 and is drained as waste water from the opening 64 to the toilet bowl B. By the way, since the flow rate of the tap water flowing in from the water supply port 62 is limited by the orifice 70, the amount of discarded water is reduced.

また、例えば一例として、操作部４０の操作が停止され、給水バルブ５０が閉弁されるときに発生する負圧により、貯水室６９の水道水が水道管ＷＬ内へ逆流しようとする場合、開口部６４から吸入される大気により負圧が解消されるため、逆流は防止される。   For example, when the operation of the operation unit 40 is stopped and the water supply valve 50 is closed, when the tap water in the water storage chamber 69 is to flow back into the water pipe WL due to the negative pressure generated, the opening is opened. Since the negative pressure is eliminated by the air sucked from the portion 64, backflow is prevented.

なお、本発明は、ノズル（洗浄機構）２０に限らず、便器Ｂの洗浄または便器Ｂへ加圧水の送水を行う洗浄機構にも適用可能である。   The present invention is not limited to the nozzle (cleaning mechanism) 20 but can be applied to a cleaning mechanism for cleaning the toilet B or supplying pressurized water to the toilet B.

さらに、本発明は、温水タンク１０を設けずに給水された水を瞬間に給湯する瞬間給湯装置等においても適用可能である。   Furthermore, the present invention is also applicable to an instantaneous hot water supply apparatus that instantaneously supplies hot water without providing the hot water tank 10.

また、本発明は、給水された水の流量や圧力等を調整可能な調整弁が給水バルブ５０とエアギャップ機構６０との間に設けられている構成でも良く、調整弁が給水バルブ５０に内蔵されていても良い。   Further, the present invention may be configured such that an adjustment valve capable of adjusting the flow rate or pressure of supplied water is provided between the water supply valve 50 and the air gap mechanism 60, and the adjustment valve is built in the water supply valve 50. May be.

２０・・・ノズル（洗浄機構）
５０・・・給水バルブ
６０・・・エアギャップ機構
７０・・・オリフィス
１００・・・洗浄便座装置
ＷＬ・・・水道管（上水） 20 ... Nozzle (cleaning mechanism)
50 ... Water supply valve 60 ... Air gap mechanism 70 ... Orifice 100 ... Washing toilet seat device WL ... Water pipe (water supply)

Claims (2)

洗浄機構および前記洗浄機構へ上水から水道水の給水・止水を行う給水バルブを有する洗浄便座装置であって、
前記給水バルブの後方に水道水の逆流を防止し捨て水を排水するエアギャップ機構が配設され、前記エアギャップ機構と前記給水バルブとの間に水道水の流入量を制限するオリフィスが配設され、
前記オリフィスは、前記エアギャップ機構に一体的に設けられる洗浄便座装置。 A cleaning toilet seat device having a cleaning mechanism and a water supply valve for supplying and stopping tap water from tap water to the cleaning mechanism,
An air gap mechanism that prevents backflow of tap water and drains waste water is disposed behind the water supply valve, and an orifice that restricts the inflow amount of tap water is disposed between the air gap mechanism and the water supply valve. It is,
The orifice is a cleaning toilet seat device provided integrally with the air gap mechanism . 前記オリフィスは、前記エアギャップ機構に交換可能に設けられる請求項１に記載の洗浄便座装置。 The cleaning toilet seat device according to claim 1, wherein the orifice is replaceably provided in the air gap mechanism.
JP2010079422A 2010-03-30 2010-03-30 Cleaning toilet seat device Expired - Fee Related JP5617311B2 (en)

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