WO2017061484A1 - Dispositif de toilettes et cuvette de toilette à chasse d'eau - Google Patents

Dispositif de toilettes et cuvette de toilette à chasse d'eau Download PDF

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Publication number
WO2017061484A1
WO2017061484A1 PCT/JP2016/079656 JP2016079656W WO2017061484A1 WO 2017061484 A1 WO2017061484 A1 WO 2017061484A1 JP 2016079656 W JP2016079656 W JP 2016079656W WO 2017061484 A1 WO2017061484 A1 WO 2017061484A1
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WIPO (PCT)
Prior art keywords
water
passage
toilet
discharge hole
rim
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PCT/JP2016/079656
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English (en)
Japanese (ja)
Inventor
康宏 近藤
岳也 一柳
Original Assignee
株式会社Ｌｉｘｉｌ
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Application filed by 株式会社Ｌｉｘｉｌ filed Critical 株式会社Ｌｉｘｉｌ
Publication of WO2017061484A1 publication Critical patent/WO2017061484A1/fr

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    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D1/00—Water flushing devices with cisterns ; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices
    • E03D1/24—Low-level flushing systems
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D11/00—Other component parts of water-closets, e.g. noise-reducing means in the flushing system, flushing pipes mounted in the bowl, seals for the bowl outlet, devices preventing overflow of the bowl contents; devices forming a water seal in the bowl after flushing, devices eliminating obstructions in the bowl outlet or preventing backflow of water and excrements from the waterpipe
    • E03D11/02—Water-closet bowls ; Bowls with a double odour seal optionally with provisions for a good siphonic action; siphons as part of the bowl
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D11/00—Other component parts of water-closets, e.g. noise-reducing means in the flushing system, flushing pipes mounted in the bowl, seals for the bowl outlet, devices preventing overflow of the bowl contents; devices forming a water seal in the bowl after flushing, devices eliminating obstructions in the bowl outlet or preventing backflow of water and excrements from the waterpipe
    • E03D11/13—Parts or details of bowls; Special adaptations of pipe joints or couplings for use with bowls, e.g. provisions in bowl construction preventing backflow of waste-water from the bowl in the flushing pipe or cistern, provisions for a secondary flushing, for noise-reducing

Definitions

  • the present invention relates to a toilet device and a flush toilet.
  • a toilet device generally includes a flush water supply device, a flush toilet having a toilet bowl in which a water discharge hole is formed, and a water conduit for guiding the wash water supplied from the wash water supply device to the water discharge hole.
  • a washing water supply device for example, a gravity water supply method that sends out the washing water in the open tank by its own weight (see Patent Document 1), or a water supply direct pressure method that sends out the washing water by the supply water pressure of the water supply system.
  • Patent Document 1 Normally, when any toilet device is in a standby state before the cleaning of the toilet bowl is started, an overflow passage, a vacuum breaker, or the like causes a gap between the flush water supply device and the toilet bowl outlet in the conduit. The air is in communication.
  • streak-like water water remaining in the water conduit after the toilet flushing becomes streak-like water (hereinafter referred to as streak-like water) and may flow down from the spout through the inner surface of the toilet bowl.
  • streak-like water flows while irregularly changing the path along the inner surface of the toilet bowl, and may flow over a long period of time, causing a decrease in appearance.
  • the present invention has been made in view of such problems, and an object thereof is to provide a technique for effectively preventing long-term run-off of streaky water.
  • the toilet device includes a flush water supply device, a flush toilet having a toilet bowl in which a water discharge hole is formed, a water conduit for guiding the wash water supplied from the wash water supply device to the water discharge hole, and the guide A drainage passage for discharging water in the water channel, and the washing water supply device or the water conduit passes the water in the water conduit when the water in the water conduit is discharged through the water drain passage. It is comprised so that the inflow of the air which goes to the said water discharge hole from a washing water supply apparatus may be interrupted
  • the flush toilet includes a toilet bowl in which a water discharge hole is formed, a water passage for guiding wash water supplied from a washing water supply device to the water discharge hole, and a drain for discharging water in the water passage A passage, and when the water passage discharges water in the water passage through the drain passage, the inflow of air from the washing water supply device to the water discharge hole is blocked in the water passage.
  • a negative pressure toward the water drainage passage is applied to the water in the water passage.
  • air can be taken into the water passage through only the water discharge hole without passing through the upstream end of the water passage.
  • the amount of air taken into the water channel from the hole can be increased.
  • most of the wash water to be discharged in the water passage can be rapidly discharged from the drain passage.
  • FIG. 6A shows a state immediately after the cleaning water supply apparatus according to the first embodiment switches from a state in which the cleaning water is supplied to a state in which the supply of the cleaning water is stopped
  • FIG. 6 (c) shows a state changed from the state of FIG. 6 (b)
  • FIG. 6 (c) shows a state changed from the state of FIG. 6 (b)
  • FIG. 6 (d) shows a state changed from the state of FIG. 6 (c). Show. It is a figure which shows typically the water conduit of the toilet device which concerns on 1st Embodiment, and Fig.7 (a) switched from the state which the washing water supply apparatus supplies the washing water to the state which stopped supply of the washing water.
  • FIG. 7 (b) shows a state immediately after the state shown in FIG. 7 (a). It is a figure which shows typically the water conduit of the toilet device which concerns on a reference example, and Fig.8 (a) is immediately after switching to the state which stopped supply of the wash water from the state in which the wash water supply apparatus supplies the wash water.
  • FIG. 8B shows a state changed from the state of FIG. 8A.
  • FIG. 10A shows a state immediately after the cleaning water supply device according to the second embodiment switches from a state in which the cleaning water is supplied to a state in which the supply of the cleaning water is stopped
  • FIG. FIG. 10 (c) shows a state changed from the state of FIG. 10 (b)
  • FIG. 10 (d) shows a state changed from the state of FIG. 10 (c). Show.
  • FIG. 1 is a configuration diagram illustrating a toilet device 10 according to the first embodiment.
  • the toilet device 10 includes a cleaning water supply device 12 for supplying cleaning water, and a flush toilet 18 having a toilet bowl 16 in which two rim water discharge holes 14L and 14R (only one is shown) are formed.
  • the toilet device 10 further includes a water conduit 20 for guiding the wash water supplied from the wash water supply device 12 to the rim water discharge holes 14L and 14R, and a drain passage for discharging the water in the water conduit 20. 22.
  • the toilet device 10 of this embodiment has one of the main characteristics in the water conduit 20, it demonstrates from a surrounding structure previously.
  • the cleaning water supply device 12 supplies the cleaning water by a gravity water supply system in which cleaning water in the open tank 24 (hereinafter simply referred to as the tank 24) is sent out by its own weight.
  • the cleaning water supply device 12 includes a tank 24 for storing cleaning water.
  • a drain hole 24a for discharging cleaning water is formed on the bottom surface of the tank 24.
  • the drain hole 24 a extends downward from the bottom surface of the tank 24.
  • the washing water supply device 12 includes a first opening / closing valve 26 for opening / closing the drain hole 24a.
  • the first opening / closing valve 26 is connected to a rotary handle (not shown) via a ball chain 28.
  • the rotary handle can be rotated by a user or the like.
  • the first on-off valve 26 is raised by the rotation of the rotary handle, and opens the drain hole 24a. Wash water in the tank 24 is supplied to the rim water discharge holes 14L and 14R of the toilet 18 through the water conduit 20 when the first opening / closing valve 26 opens the drain hole 24a.
  • the first on-off valve 26 is lowered when the washing water in the tank 24 is discharged, and the drain hole 24a is closed.
  • the cleaning water supply device 12 switches between a state in which the cleaning water is supplied to the water conduit 20 and a state in which the supply of the cleaning water to the water conduit 20 is stopped by the first on-off valve 26 being raised and lowered. It is done.
  • Wash water is supplied into the tank 24 through a pipe 30 from a water supply source such as a water supply.
  • the pipe 30 is provided with a second on-off valve 32 for opening and closing a water channel in the pipe 30.
  • the second on-off valve 32 is an electromagnetic valve, and the open / close state is controlled by the control device 33.
  • the control device 33 opens the second on-off valve 32 for a predetermined time and replenishes the tank 24 with the cleaning water.
  • an overflow passage 34 for discharging the cleaning water exceeding the water level is connected to the drain hole 24a of the cleaning water supply device 12. .
  • the drain hole 24a of the cleaning water supply device 12 is open to the atmosphere through the overflow passage 34 when the first opening / closing valve 26 closes the drain hole 24a and the supply of the cleaning water is stopped.
  • FIG. 2 is a side sectional view of the toilet 18.
  • the toilet bowl 18 is a molded product made of pottery.
  • the toilet bowl 18 includes a toilet bowl 16 and a drainage passage 36 connected to the bottom of the toilet bowl 16.
  • the drainage passage portion 36 serves as a passage for filth discharged from the toilet bowl 16 to a sewage water channel (not shown).
  • the drainage passage part 36 includes a trap part 40 in which sealed water 38 for blocking the flow of air in the direction of water flow is stored.
  • the sealed water 38 is accumulated inside the bottom of the toilet bowl 16 in addition to the inside of the trap part 40.
  • a drain pipe 42 is connected to the downstream end of the trap section 40, and the trap section 40 is connected to the sewage side water channel via the drain pipe 42.
  • the toilet bowl 16 includes a bowl-shaped receiving surface portion 44 for receiving filth, and a recess that is recessed downward from the lower edge portion of the receiving surface portion 44 and formed at the bottom of the toilet bowl 16. 46 and a rim portion 48 formed at the upper end of the toilet bowl 16.
  • the receiving surface portion 44 is formed in an elliptical shape whose front-rear dimension is larger than the left-right dimension in plan view.
  • An inlet 36 a of the drainage passage 36 is opened at the bottom of the recess 46.
  • the toilet 18 includes two rim water discharge holes 14L and 14R formed in the rim portion 48 and two rim water passages 50L and 50R (downstream passages) for supplying cleaning water to the two rim water discharge holes 14 and 14R. Water channel) and a common water channel 52 (upstream water channel) for supplying cleaning water to each of the rim water channels 50L and 50R. Further, the toilet 18 further includes the drainage passage 22 described above as a part of the toilet 18.
  • the two rim water discharge holes 14 ⁇ / b> L and 14 ⁇ / b> R have a left rim water discharge hole 14 ⁇ / b> L (first water discharge hole) arranged on the left side of the toilet 18 and a right arranged on the right side of the toilet bowl 18.
  • the rim water discharge hole 14R (second water discharge hole) is included.
  • the two rim water passages 50L and 50R are supplied with the cleaning water to the left rim water passage 50L (first downstream water passage) for supplying the water to the left rim water discharge hole 14L and the right rim water discharge hole 14R.
  • a right rim water passage 50R (second downstream water passage).
  • the left rim water passage 50L is formed on the outer peripheral side of the left portion 16L of the toilet bowl 16 among the left and right portions 16L, 16R of the toilet bowl 16.
  • the right rim water passage 50 ⁇ / b> R is formed on the outer peripheral side of the right portion 16 ⁇ / b> R of the toilet bowl 16 among the left and right portions 16 ⁇ / b> L and 16 ⁇ / b> R of the toilet bowl 16.
  • the rim water passages 50 ⁇ / b> L and 50 ⁇ / b> R are formed to branch from the downstream end portion of the common water passage 52 to the left and right of the toilet 18.
  • the branch position 54 of each rim water passage 50L, 50R is arranged behind the toilet bowl 16.
  • the left rim water passage 50L is formed so as to extend from the branch position 54 serving as the start end to one side in the circumferential direction of the toilet bowl 16 (clockwise direction in FIG. 3; hereinafter, simply referred to as clockwise direction).
  • the terminal part which becomes the terminal position in the direction is formed to be a dead end.
  • the left rim water discharge hole 14L is branched and formed at a midpoint position along the path from the start end side to the end end side of the left rim water passage 50L.
  • the left rim water discharge hole 14L is formed so as to extend from the midway position inside the toilet bowl 16 and in the counterclockwise direction.
  • the right rim water passage 50R is formed so as to extend from the branch position 54 serving as the start end to the other side in the circumferential direction of the toilet bowl 16 (counterclockwise direction in FIG. 3; hereinafter, simply referred to as counterclockwise direction).
  • a right rim water discharge hole 14 ⁇ / b> R is formed at a terminal portion which is a terminal position in the extending direction.
  • the drainage passage 22 includes a water introduction port 22 a for introducing water from the left rim water passage 50 ⁇ / b> L into the drainage passage 22, and the toilet bowl 16 from the drainage passage 22.
  • the recess 46 has a discharge hole 22b for discharging water.
  • the water inlet 22a opens on the lower surface of the left rim water passage 50L on the terminal side of the left rim water passage 50L from the left rim water discharge hole 14L in the left rim water passage 50L.
  • the water introduction port 22 a is arranged on the left side of the toilet bowl 18 on the front side of the toilet bowl 18 from the left rim water spouting hole 14 ⁇ / b> L.
  • the discharge hole 22 b opens in the recess 46 of the toilet bowl 16.
  • the discharge hole 22b is disposed at a position lower than the rim water discharge holes 14L and 14R.
  • the drainage passage 22 has a first portion 22c, a second portion 22d, and a third portion 22e that are sequentially provided from the left rim water passage 50L to the discharge hole 22b.
  • the first portion 22c extends downward and toward the radially inner side of the toilet bowl 16 from the water inlet 22a that opens to the left rim water passage 50L.
  • the second portion 22d extends on the outer peripheral side of the toilet bowl 16 while bending from the downstream end of the first portion 22c in the clockwise direction and downward.
  • the third portion 22e extends rearward from the downstream end portion of the second portion 22d toward the discharge hole 22b.
  • the first part 22c and the second part 22d function as a lower part 22f for causing the washing water to flow down from the high position to the low position by the dead weight of the washing water.
  • the cleaning water is introduced from the cleaning water supply device 12 to the common water passage 52 through the water supply pipe 56 (described later), the cleaning water is introduced from the common water passage 52 to the rim water passages 50L and 50R.
  • the wash water guided to the left rim water passage 50L is supplied to the left rim water discharge hole 14L
  • the wash water guided to the right rim water passage 50R is supplied to the right rim water discharge hole 14R.
  • the wash water supplied from each rim water passage 50L, 50R is discharged in the counterclockwise direction of the toilet bowl 16 along the inner peripheral surface of the rim portion 48.
  • the wash water discharged from the rim water discharge holes 14L, 14R forms a swirl flow that swirls counterclockwise in the toilet bowl 16.
  • This swirling flow becomes a water flow for cleaning the inner surface of the toilet bowl 16, particularly the inner peripheral surface of the rim portion 48 and the inner surface of the receiving surface portion 44.
  • the washing water guided to the left rim water passage 50L is supplied to the discharge hole 22b through the water drain passage 22.
  • washing water is discharged toward the sealing water 38 in the recess 46 of the toilet bowl 16, and a swirling flow is formed in the counterclockwise direction in the recess 46 of the toilet bowl 16.
  • the filth in the recess 46 is collected at the center of swirl, and the filth is swept away through the inlet 36 a in the drainage passage 36 by the cleaning water flowing into the recess 46 from the receiving surface 44.
  • the discharge hole 22b has a function of forming a water flow for promoting discharge of filth by discharging the wash water into the sealed water 38 in addition to the function of discharging the wash water in the water conduit 20. .
  • the water conduit 20 includes water passages 50 ⁇ / b> L, 50 ⁇ / b> R, 52 formed in the toilet 18, and water supply pipes connecting the drain holes 24 a of the flush water supply device 12 and the water passages 50 ⁇ / b> L, 50 ⁇ / b> R, 52. 56.
  • the water passages 50L, 50R, 52 include the left rim water passage 50L, the right rim water passage 50R (not shown in FIG. 1), and the common water passage 52.
  • the water supply pipe 56 is connected to the drain hole 24a and extends vertically, and extends from the lower end of the vertical water path 56a along the front-rear direction of the toilet 18 and at the upstream end of the common water passage 52. And a horizontal water channel portion 56b to be connected.
  • the water conduit 20 is provided with a water reservoir 58 in the middle of the path from the cleaning water supply device 12 toward the rim water spouting holes 14L and 14R.
  • the water reservoir 58 is provided in the lateral water channel portion 56b of the water supply pipe 56, the common water channel 52 of the toilet 18, and a part of the upstream side of each of the rim water channels 50L and 50R. It can be said that the water reservoir 58 is provided in a range including the branch position 54 on the path from the cleaning water supply device 12 toward the rim water spouting holes 14L and 14R. A part of the cleaning water supplied from the cleaning water supply device 12 is stored in the water reservoir 58.
  • FIG. 4 is a view showing only the left rim water passage 50L and the right rim water passage 50R in the cross section taken along the line BB of FIG.
  • the water reservoir 58 is formed to be recessed downward in each rim water passage 50L, 50R.
  • each rim water passage 50L, 50R is provided with an overflow edge 58a for defining the water level when the water stored in the water reservoir 58 is not washed.
  • “Non-cleaning” here means when the toilet bowl 16 is in a standby state before starting cleaning.
  • the overflow edge 58a is constituted by a part of the lower surface of each rim water passage 50L, 50R.
  • the overflow edge 58a is provided in the middle of two paths from the branch position 54, which is the upstream end of each rim water passage 50L, 50R, to each rim water discharge hole 14L, 14R.
  • the water in the water conduit 20 overflows downstream from the overflow edge 58a, so that the rim water discharge holes 14L and 14R and the water drain passages of the rim water passages 50L and 50R. 22 is discharged into the toilet bowl 16.
  • the water level when the water remaining in the water reservoir 58 is not washed is defined.
  • the water reservoir 58 is provided with a water seal portion 60 that is sealed with water stored in the water reservoir 58.
  • water sealing refers to blocking the flow of air in the direction of water flow with water.
  • the water seal portion 60 is constituted by a location where the upper surface of the water reservoir 58 overflows in the water reservoir 58 and is positioned lower than the edge 58a.
  • the water seal portion 60 is provided in the horizontal water channel portion 56b of the water supply pipe 56 and the common water flow channel 52 of the toilet 18.
  • the water conduit 20 is configured such that by providing the water seal portion 60, the inflow of air from the cleaning water supply device 12 toward the rim water discharge holes 14 ⁇ / b> L and 14 ⁇ / b> R is blocked in the water conduit 20.
  • FIG. 5 is a configuration diagram showing a toilet device 100 of a reference example as related technology.
  • the toilet device 100 of the reference example is largely different from the toilet device 10 of the present embodiment in that the water conduit 60 is not provided in the water conduit 20.
  • each rim water discharge hole 14L Inflow of air toward 14R is allowed.
  • the rim water discharge holes 14L and 14R are arranged so that the water level gradually decreases due to their own weight while the washing water in the rim water passages 50L and 50R stays without moving greatly. It was discharged from the drainage passage 22.
  • FIG. 6 is a diagram schematically showing how the washing water is discharged in the water conduit 20 in the toilet device 10 according to the present embodiment.
  • FIG. 6 (a) shows a state immediately after the cleaning water supply device 12 switches from a state in which the cleaning water is supplied to a state in which the supply of the cleaning water is stopped
  • FIGS. 6 (b) to 6 (d) are diagrams. Changes from the state 6 (a) are shown in time series. As shown in FIGS. 6 (b) to 6 (d), most of the washing water in the rim water passages 50L and 50R does not stay in place but is directed in the direction Pa toward the drainage passage 22. It was discharged from the drainage passage 22 after moving to.
  • the streaky water flows down from the rim water spouting holes 14L and 14R. It took more than a minute to begin to become intermittent. On the other hand, in the toilet device 10 according to the present embodiment, it took only about 10 seconds until the flow of streaky water from the rim water spouting holes 14L and 14R began to be intermittent.
  • the short time it takes for the streaky water to begin to flow intermittently means that the time it takes for the streaky water to completely stop flowing can be shortened, effectively reducing the long-term flow of streaky water. It can be prevented. This mechanism is not clear, but is presumed to be due to the following reasons.
  • FIG. 7 is a diagram schematically showing the water conduit 20 of the toilet device 10 of the present embodiment
  • FIG. 8 is a diagram schematically showing the water conduit 20 of the toilet device 100 of the reference example. 7 and 8 also show the same portion of the water conduit 20, and a range Sa in FIG. 7A corresponds to a cross section taken along the line CC in FIG. In each figure, the position of the left rim water spouting hole 14L is also shown.
  • FIGS. 7A and 8A show a state immediately after the cleaning water supply device 12 is switched from a state in which the cleaning water supply device 12 supplies the cleaning water to a state in which the supply of the cleaning water is stopped. At this time, the inside of the water conduit 20 including the rim water conduits 50L and 50R and the water supply pipe 56 is filled with cleaning water.
  • the wash water in the water conduit 20 flows so that the wash water in the vertical water channel portion 56a of the water supply pipe 56 is lowered by its own weight.
  • the rim water discharge holes 14L and 14R and the drainage passage 22 are discharged.
  • the washing water in the flow lower part 22f of the drainage passage 22 flows down by its own weight, so that the discharge hole 22b of the drainage passage 22 is discharged. Is discharged into the toilet bowl 16.
  • a negative pressure Fa is generated in the wash water in the water conduit 20 to take in a volume of fluid that has flowed down in the drain passage 22 from the water conduit 20.
  • the wash water in the water conduit 20 flows into the water drain passage 22, and air is taken in from the outside through the rim water discharge holes 14 ⁇ / b> L and 14 ⁇ / b> R and the upstream end of the water conduit 20.
  • the toilet device 100 of the reference example and the toilet device 10 of the present embodiment differ in how air is taken into the conduit 20 from the outside. Specifically, in the toilet device 100 of the reference example, regardless of the water level of the wash water in the rim water passages 50L and 50R of the water conduit 20, both the upstream end of the water conduit 20 and the rim water discharge holes 14L and 14R are passed through. The state of taking in air continues. On the other hand, in the toilet device 10 of this embodiment, the state sealed with the water stored in the water sealing part 60 continues irrespective of the water level in the rim water passages 50L and 50R of the water conduit 20. .
  • the air from the rim water discharge holes 14L and 14R When air is taken in only from the rim water discharge holes 14L and 14R into the water conduit 20, compared to when air is also taken from the upstream end of the water conduit 20, the air from the rim water discharge holes 14L and 14R. Increased air intake.
  • the large amount of air taken in from each rim water discharge hole 14L, 14R means that the water around each rim water discharge hole 14L, 14R in the water conduit 20 is directed to the water drain passage 22 by the negative pressure Fa described above. This means that it can be moved easily. Thereby, it is considered that most of the cleaning water to be discharged in each of the rim water passages 50L and 50R in the water conduit 20 can be discharged from the water drain passage 22 without staying on the spot.
  • the manner in which the cleaning water is discharged is not only the state in which the rim water passages 50L and 50R are filled with the cleaning water, but also the water level in the rim water passages 50L and 50R is lowered and the rim water passage 50L. , Even when the cleaning water is not filled in 50R.
  • the air cannot be brought into the water conduit 20 only from the rim water spouting holes 14L and 14R, and the rim water spouting holes 14L and 14R and the water conduit 20 Continue to take in air from both the upstream end. Therefore, the state in which the amount of air taken in from each rim water spouting hole 14L, 14 continues to be small, and the water around each rim water spouting hole 14L, 14R in the water conduit 20 is drained by the negative pressure Fa described above. It becomes difficult to move to 22.
  • the middle position of the route from the right rim water passage 50R to the water drainage passage 22 is as shown in FIG.
  • the air Ar is filled from the left rim water discharge hole 14L.
  • the wash water in the path from the right rim water passage 50R toward the drainage passage 22 is divided into the first wash water W1 and the second wash water W2 by the air Ar.
  • the second washing water W2 moves in the direction Pa toward the drainage passage 22, which is considered to be moved by inertia or negative pressure Fa.
  • FIG. 6D a case is considered where the above-described second cleaning water W2 is filled so as to cross the path from the left rim water discharge hole 14L to the drainage passage 22.
  • the negative pressure Fa toward the drain passage 22 is applied to the second wash water W2 as before.
  • the second wash water W2 also flows into the drain passage 22.
  • most of the washing water in the water reservoir 58 cannot be pumped up and remains without moving toward the drainage passage 22 (see double hatching in the figure). The above is the mechanism inference.
  • a water reservoir 58 is provided in the water conduit 20, after the water in the water conduit 20 is discharged through the rim water discharge holes 14 ⁇ / b> L and 14 ⁇ / b> R and the drainage passage 22, a certain amount of water is accumulated in the water reservoir 58. Can be left in. Therefore, when the cleaning water is supplied from the cleaning water supply device 12, the inside of the water conduit 20 can be filled quickly, and high water pressure cleaning water can be discharged from the water conduit 20 through the rim water discharge holes 14L and 14R at an early stage. become.
  • the surface area of the water surface stored in the water reservoir 58 is smaller than that of the water seal portion 60. Become. When the surface area of the water surface is reduced, when the water in the water reservoir 58 sways so as to wave, the amount of water that oscillates is reduced by that amount, so that the water in the water reservoir 58 is greatly oscillated and difficult to move.
  • the water in the water reservoir 58 overflows over the edge 58a and does not easily overflow into the downstream rim water spouting holes 14L, 14R, and the streaky water flows down from the rim water spouting holes 14L, 14R for a long time. Can be effectively prevented.
  • the maximum water level WL2 of the sealing water 38 is higher than the water level WL1 at the time of non-washing. Get higher.
  • the wash water in the path from the rim water discharge holes 114L and 14R toward the drainage passage 22 in the water conduit 20 is transferred to the drainage passage 22 by the negative pressure Fa toward the drainage passage 22. Move towards.
  • the discharge of the cleaning water from the rim water spouting holes 14L and 14R ends.
  • “the discharge of the cleaning water is finished” means that the flow rate of the cleaning water discharged from each of the rim water discharge holes 14L and 14R is 1/10 or less of the maximum time.
  • the discharge hole 22b is disposed at a position where the entirety of the discharge hole 22b is submerged in the sealed water 38 stored at the bottom of the toilet bowl 16 when the discharge of the wash water from the rim water discharge holes 14L and 14R is completed.
  • the rim water discharge holes 14L and 14R and the discharge holes 22b are drained by the air flowing backward from the discharge holes 22b through the water drain passage 22. It is possible to prevent communication through the air in the passage 22.
  • the discharge of the cleaning water from the discharge holes 22b is continued.
  • the wash water in the drainage passage 22 flows down by its own weight, and most of the water is discharged from the discharge hole 22b.
  • the discharge of the washing water from the discharge hole 22b is completed. That is, after the discharge of the cleaning water from the rim water discharge holes 14L and 14R is completed, the discharge of the cleaning water from the discharge holes 22b is completed.
  • the discharge hole 22b is disposed at a lower position than the rim water discharge holes 14L and 14R, and the washing water in the water conduit 20 is discharged from the discharge hole 22b through the drain passage 22. That's fine.
  • finishing the discharge of the cleaning water means the time when the flow rate of the cleaning water discharged from the discharge hole 22b per unit time becomes 1/10 or less of the maximum time, as described above.
  • the water introduction port 22a of the drainage passage 22 is entirely disposed at a position lower than the left rim water discharge hole 14L and the right rim water discharge hole 14R.
  • the entire water inlet 22a according to the present embodiment is disposed at a position lower than the lower ends of the rim water spouting holes 14L and 14R.
  • FIG. 9 is a configuration diagram of the toilet device 10 of the second embodiment. Since the toilet apparatus 10 of 1st Embodiment is comprised so that the inflow of the air which goes to each rim water discharge hole 14L, 14R from the washing water supply apparatus 12 in the water conduit 20 may be interrupted
  • the third on-off valve 62 When the third on-off valve 62 is in the open state, the inflow of air toward the water conduit 20 through the overflow passage 34 is allowed. When the third on-off valve 62 is in the closed state, the inflow of air toward the water conduit 20 through the overflow passage 34 is blocked.
  • FIG. 10 is a diagram showing a state immediately after the cleaning water supply device 12 switches from a state in which the cleaning water is supplied to a state in which the supply of the cleaning water is stopped.
  • the control device 33 switches the third on-off valve 62 from the open state to the closed state.
  • a sensor for detecting that the first on-off valve 26 is switched from the open state to the closed state may be used. This detects that the washing water supply device 12 has switched from the state in which the washing water is supplied to the state in which the supply of the washing water is stopped.
  • the control device 33 switches the open / close state of the third open / close valve 62 when a detection signal indicating that the first open / close valve 26 has been switched to the closed state is received from the sensor.
  • the control device 33 may switch the open / close state of the third open / close valve 62 when a predetermined standby time has elapsed since the start of the supply of cleaning water. This standby time is set so as to be shorter than the time that is assumed as the elapsed time from the start of supply of cleaning water to the end thereof.
  • the control device 33 switches the third on-off valve 62 from the closed state to the open state before switching from the state in which the supply of the cleaning water is stopped to the state in which the cleaning water is supplied. To achieve this, when the control device 33 receives a rotation operation of the rotary handle for opening the first on-off valve 26, the control device 33 first switches the third on-off valve 62 to the open state, and then the first on-off valve 26. May be opened.
  • the toilet device 10 according to the present embodiment can also effectively prevent long-term flow of streaky water as in the first embodiment.
  • the toilet bowl 18 may wash the inside of the toilet bowl 16 by a washing method such as a wash-off type or a siphon type.
  • the toilet 18 may be made of resin or the like in addition to pottery.
  • the cleaning water supply device 12 may use a water supply system such as a direct water supply system or a pump system in addition to the gravity water supply system.
  • a water seal portion 60 is provided in the water conduit 20 as a means for blocking the inflow of air from the cleaning water supply device 12 toward the rim water spouting holes 14L and 14R in the water conduit 20.
  • the example which provides is demonstrated.
  • 2nd Embodiment demonstrated the example which installs the 3rd on-off valve 62 in the channel
  • This means is not limited to these.
  • a check valve may be used instead of the electromagnetic valve as the third on-off valve 62.
  • the water sealing part 60 when providing the water sealing part 60 in the water conduit 20, the water sealing part 60 may be provided only in each rim water channel 50L, 50R of the flush toilet 18 and the common water channel 50, or only in the water supply pipe 56. A water seal 60 may be provided.
  • the water introduction port 22a of the drainage passage 22 has been described as opening to the left rim water passage 50L of the flush toilet 18, it may be opened to the common water passage 50 or to the water supply pipe 56. Also good.
  • the discharge hole 22b of the drainage passage 22 has been described as opening at the bottom of the toilet bowl 16, it may be open at the drainage passage portion 36. In this case, the discharge hole 22b may be opened at a position where the washing water can be discharged toward the downstream side in the drain passage 36.
  • the discharge hole 22 b of the drain passage 22 is provided at a location other than the flush toilet 18 such as the tank 24 of the flush water supply device 12. It may be open.
  • the toilet 18 may include left and right rim water passages 50L and 50R, or may include only one rim water passage. Moreover, although the example where one rim water discharge hole is formed per one rim water passage has been described, two or more rim water discharge holes may be formed per one rim water passage.
  • the water conduit is provided with a water reservoir in the middle of the path from the washing water supply device to the water discharge hole. May be provided with a water seal portion sealed with water stored in the water reservoir portion.
  • the surface area of the water surface of the water stored in the water reservoir is smaller than when the water reservoir has no water seal.
  • the water drainage passage may be capable of discharging the water by its own weight.
  • the toilet device further includes a drainage passage portion connected to a bottom portion of the toilet bowl, and the drainage passage has a discharge hole that opens to the toilet bowl or the drainage passage portion, and the discharge hole May be arranged at a position where the water is submerged in the water stored in the drainage passage and the bottom of the toilet bowl when the discharge of the washing water from the water discharge hole is completed.
  • the water discharge hole and the discharge hole communicate with each other through the air in the water discharge passage by the air flowing backward from the discharge hole through the water discharge passage. Can be prevented.
  • the negative pressure generated in the direction from the water conduit to the drain passage allows the cleaning water in the conduit to be moved stably toward the drain passage for a long period of time.
  • the drain passage has a water introduction port for introducing cleaning water from the water conduit, and the water introduction port is disposed at a position lower than the water discharge hole. Also good.
  • the water introduction port rather than the water introduction port being arranged at the same height position or high position as the water discharge hole, most of the washing water in the water conduit can be discharged from the water introduction port through the drainage passage by its own weight. Therefore, by reducing the discharge amount of the washing water from the water discharge hole, it is possible to effectively prevent the streaky water from flowing down from the water discharge hole for a long period of time.
  • the present invention relates to a toilet device and a flush toilet.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Sanitary Device For Flush Toilet (AREA)

Abstract

L'invention concerne un dispositif de toilettes comprenant : un dispositif d'alimentation en eau de nettoyage 12; une cuvette de toilette à chasse d'eau 18 ayant une cuvette de toilette 16 dans laquelle est formé un orifice de bec 14L; une conduite d'eau 20 permettant d'acheminer l'eau de nettoyage fournie par le dispositif d'alimentation en eau de nettoyage 12 jusqu'à l'orifice de bec 14L; et un passage d'évacuation 22 permettant d'évacuer l'eau à l'intérieur de la conduite d'eau 20. Le dispositif d'alimentation en eau de nettoyage 12 ou la conduite d'eau 20 est conçu de telle sorte que lorsque l'eau à l'intérieur de la conduite d'eau 20 est évacuée par le passage d'évacuation 22, l'écoulement d'air à l'intérieur de la conduite d'eau 20 du dispositif d'alimentation en eau de nettoyage 22 au bec 14L est bloqué.
PCT/JP2016/079656 2015-10-09 2016-10-05 Dispositif de toilettes et cuvette de toilette à chasse d'eau WO2017061484A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015201261A JP6479623B2 (ja) 2015-10-09 2015-10-09 便器装置及び水洗大便器
JP2015-201261 2015-10-09

Publications (1)

Publication Number Publication Date
WO2017061484A1 true WO2017061484A1 (fr) 2017-04-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2016/079656 WO2017061484A1 (fr) 2015-10-09 2016-10-05 Dispositif de toilettes et cuvette de toilette à chasse d'eau

Country Status (2)

Country Link
JP (1) JP6479623B2 (fr)
WO (1) WO2017061484A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0193273U (fr) * 1987-12-11 1989-06-19
JP2001152528A (ja) * 1999-11-30 2001-06-05 Toto Ltd 大便器

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0193273U (fr) * 1987-12-11 1989-06-19
JP2001152528A (ja) * 1999-11-30 2001-06-05 Toto Ltd 大便器

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JP6479623B2 (ja) 2019-03-06

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