JP2006336437A - Water-saving toilet bowl - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a super-water-saving toilet system by a combination of a super-water-saving toilet bowl and a suction device. <P>SOLUTION: In the super-water-saving toilet system, flushing water is piped and connected to a water supply connection port of a double-vessel type toilet bowl 10. The flushing water is led to flushing water discharge ports 13, 14 of the respective section vessels of an excrement vessel 11 and a urine vessel 12 through a solenoid valve 81 and a solenoid valve 82 built in the double-vessel type toilet bowl 10. The flow of drainage in the double-vessel type toilet bowl 10 is discharged through piping connected to the respective drainage connection ports of the excrement vessel 11 and urine vessel 12. The drainage is then discharged to a soil pipe 99 through an ejector suction device 35 reducing outflow resistance to draw out a considerable water-saving effect. Ejectors 31, 32 utilizing pressurized water are disposed in the ejector suction device 35, and the outflow resistance of drainage is reduced by the ejector 31 in the excrement vessel 11 and by the ejector 32 in the urine vessel 12 to draw out the considerable water-saving effect. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a super water-saving toilet system that combines a two-tank toilet and a suction device divided into a stool and a urinal.

  It is reported that the amount of water used for defecation washing of a general-purpose toilet is approximately 8 to 10 liters, and the amount of tap water used for a general household toilet is equivalent to about 25% of the total amount of water used.

  By the way, in recent years, there has been an increasing awareness of the importance of water resources due to the shift to a lifestyle that uses a lot of water worldwide and the fact that many countries have caused serious water shortages due to the effects of global warming. It is coming. For that reason, many proposals such as the use of rainwater, the reuse of miscellaneous wastewater, and water-saving toilets are attracting much attention.

  Documents 1 to 3 related to water-saving toilets are introduced as follows.

Reference 1

Flexible tube type super water-saving toilet

Reference 2

Pumping drainage toilet

Reference 3

High flush J-type toilet In the above-mentioned document 1, it has been reported that the amount of water used once from the start of defecation cleaning to the end of drainage and the completion of water supply in a flexible tube type super water-saving toilet is about 3 liters.

In the flexible tube type super water-saving toilet of Document 1, the amount of water used for defecation cleaning is approximately 3 liters, and the water-saving effect is excellent.
However, since the toilet structure requires approximately 3 liters of water for urine defecation cleaning, the present invention sets the amount of water used for urine defecation cleaning to approximately 1 liter or less, and for stool approximately 3 liters. The purpose is to provide a super-water-saving toilet system that combines a super-water-saving toilet and a suction device as a technical means that can discharge and complete the water supply from the start of toilet cleaning with a volume of liters or less.

In order to achieve the above object, the present invention takes the following technical means.
First, the toilet bowl has a stool tank 11 and a urinal tank 12 separated by a weir 15, each of which has a washing water discharge port 13, 14, and a drain port 16 is provided in the stool tank 11. The urinal tank 12 has a drainage port 17 and has a structure characterized by having a drainage port 17.

  2ndly, the toilet bowl is made into the 2 tank type toilet bowl 10 characterized by performing the defecation washing | cleaning process from the start of defecation washing to completion | finish of discharge | emission, and completion of water supply for every division tank of the stool tank 11 and the urinal tank 12, or both simultaneously.

  Thirdly, an odor blocking mechanism 20 for blocking odors is provided downstream of the drain ports 16 and 17 of the two-tank toilet 10, and further, downstream of the drainage outlets 16 and 17, a drainage outflow resistance is reduced, resulting in a significant water saving effect. The super water-saving toilet system is provided with a suction device 39 for drawing out.

  The present invention reduces the drainage outflow resistance and greatly brings out the water-saving effect by the two-tank toilet having the first and second structures of the technical means and the suction device of the third technical means. Or in combination with an ejector suction device that uses pressurized air, the amount of water used from the start of defecation washing to the end of drainage and the completion of water supply is reduced to approximately 1 liter or less for urine, and approximately 3 liters or less for stool. It becomes a super water-saving toilet system that can clean the defecation in the toilet bowl with the amount of water.

Hereinafter, an embodiment of the present invention will be described based on the illustrated examples.
FIG. 1 is a conceptual diagram of the structure of the double tank toilet 10.
Fig.1 (a) is a cross-sectional schematic diagram at the time of cutting the two tank type toilet bowl 10 in the center seeing from the side.
FIG.1 (b) is the schematic when the shape of the weir of the two tank type toilet bowl 10 is seen from the top.
In FIG. 1, the toilet includes a stool tank 11 and a urinal tank 12 divided by a weir 15, and washing water discharge ports 13 and 14 are provided for each of the divided tanks.
Further, a drainage port 16 is provided at the bottom of the stool tank 11, and a drainage port 17 is provided at the bottom of the urinal tank 12, and a siphon S-type water seal 21 of the odor blocking mechanism 20 is provided downstream of each drainage port 16, 17. This is a two tank toilet 10 having a structure having 22.
In addition, since both surfaces of the weir 15 which divides the stool tank 11 and the urinal tub 12 are round and curved, the effect of defecation cleaning is high and the two-tank toilet 10 is easy to clean. The height of the weir 15 is the minimum height at which drainage does not exceed the weir 15 during the defecation cleaning.

FIG. 2 is a flowchart of washing water and drainage connected to the two-tank toilet 10 of FIG. 1 according to the first embodiment of the present invention, and a super water-saving toilet system provided with an ejector suction device 30 using pressurized water. FIG.
In FIG. 2 of the first embodiment, the wash water is piped to the water supply connection port of the two tank toilet 10. Then, the washing water is guided to the washing water discharge ports 13 and 14 for each of the stool tank 11 and the urinal tank 12 through the electromagnetic valve 81 and the electromagnetic valve 82 incorporated in the two-tank toilet 10.
On the other hand, the flow of the waste water of the two tank type toilet 10 is discharged through the pipes connected to the respective drainage connection ports of the stool tank 11 and the urinal tank 12. Next, the drainage is discharged to the sewage pipe 99 through the ejector suction device 30 that reduces drainage outflow resistance and greatly reduces the water-saving effect.
The ejector suction device 30 is provided with ejectors 31 and 32 using pressurized water. The ejector 31 is provided in the stool 11 and the ejector 32 is provided in the urinal tub 12 to reduce drainage drainage resistance, thereby greatly reducing the water saving effect. ing. Moreover, each discharge port of the ejector 31 and the ejector 32 is finally connected to the sewage pipe 99, and the wastewaters merge.
In addition, the ejector suction device 30 using rainwater or miscellaneous wastewater is a method in which the pressurized water obtained by the pressurized water pump 95 is sent to the ejectors 31 and 32 at high speed to extract the suction force. And the electric on-off valves 91 and 92 are arrange | positioned at the water supply pipe | tube of pressurized water, respectively.

The flow of stool defecation washing will be described.
When the stool button 51 is pushed after defecation, the pressurized water pump 95 is first driven, and the on-off valve 91 is opened almost simultaneously, and the ejector 31 starts suction. Immediately after that, the electromagnetic valve 81 of the washing water is opened and the defecation washing of the stool 11 is started.
Next, when the defecation cleaning is completed, the on-off valve 91 is closed, the pressurized water pump 95 is stopped substantially simultaneously, and the suction of the ejector 31 is stopped. Then, the toilet tank 11 and the siphon S-type water seal 21 are filled with the washing water, the water supply is completed, and all the defecation washing steps are completed.
The amount of water used at one time in this defecation washing process is adjusted to about 3 liters or less.

The flow of urine defecation washing will be described.
When the urine button 52 is pushed after defecation, the pressurized water pump 95 is first driven, and the on-off valve 92 is opened almost simultaneously, and the ejector 32 starts suction. Immediately thereafter, the electromagnetic valve 82 of the washing water is opened and the defecation washing of the urinal tank 12 is started.
Next, when the defecation cleaning is completed, the on-off valve 92 is closed, and the pressurized water pump 95 is stopped almost simultaneously, and the suction of the ejector 32 is stopped. Then, the urinal tank 11 and the siphon S-type water seal 22 are filled with the washing water, the water supply is completed, and all the defecation washing steps are completed.
The amount of water used at one time in this defecation washing process is adjusted to about 1 liter or less.

Next, when the urinal / urine button 55 is pressed, the stool tank 11 and the urinal tank 12 are simultaneously defecation-washed.
In this case, the amount of water used at one time in the defecation washing step is adjusted to about 4 liters or less.

FIG. 3 is a flowchart of washing water and drainage connected to the two-tub toilet 10 according to the second embodiment of the present invention, and is a super water-saving toilet system provided with an ejector suction device 35 using pressurized air. It is a conceptual diagram.
In FIG. 3 of the second embodiment, the attachment positions of the ejectors 36 and 37 are illustrated in the vicinity of the downstream of the siphon S-type water seal 21 and the siphon S-type water seal 22.
The ejector suction device 35 is provided with ejectors 36 and 37 that use pressurized air, respectively, and the drainage suction method for defecation cleaning is to send pressurized air from the compressor 98 to the ejectors 36 and 37 by the on-off valves 96 and 97. Pulls out the suction effect. Otherwise, in the defecation washing process of the same operation and action as in the first embodiment, the discharge or water supply is completed from the start of the defecation washing and is finished.

  The ejector suction devices 30 and 35 have an arrangement and structure that does not generate much drainage resistance even when pressurized water or pressurized air cannot be used due to a power failure or the like. It is like that.

The present invention is not limited to the embodiment and can be modified as follows.
1 employs siphon S-type water seals 21 and 22 downstream of the drains 16 and 17, but is not limited thereto, and an open / close valve or the like is employed as another odor blocking mechanism 20. May be.
Moreover, the ejector suction devices 30 and 35 may not be used as the suction device 39, and the drainage resistance of the drainage of the two-tank toilet 10 is reduced by a suction means different from the ejector suction means, thereby significantly saving water. It is good also as a super water-saving toilet system which can wash the defecation in the toilet bowl by the method of pulling out.

Industrial applicability

  The idea of water saving of the super water-saving toilet system combining the two-tank toilet and suction device of the present invention is linked to the development of equipment related to the reuse of miscellaneous wastewater and sewage discharged from homes and the use of rainwater.

FIG. 1 is a conceptual diagram of the structure of the double tank toilet 10. FIG. 2 is a flow chart of washing water and drainage connected to the two-tank toilet 10 of FIG. 1 according to the first embodiment of the present invention, and a super water-saving toilet system provided with an ejector suction device 30 using pressurized water. FIG. FIG. 3 is a flowchart of washing water and drainage connected to the two-tub toilet 10 according to the second embodiment of the present invention, and is a super water-saving toilet system provided with an ejector suction device 35 using pressurized air. It is a conceptual diagram.

Explanation of symbols

10 Evacuator 30, 35 Ejector suction device 11 Stool 31, 32, 36, 37 Ejector 12 Urinal tub 39 Suction device 13, 14 Washing water discharge port 81, 82 Solenoid valve 15 Weir 91, 92, 96, 97 Valves 16 and 17 Drainage port 95 Pressurized water pump 20 Odor blocking mechanism 98 Compressor 21 and 22 Iphone S-type water seal 99 Sewage pipe

Claims (3)

  The toilet bowl has a stool tub (11) and a urinal tub (12) separated by a weir (15), and there is a washing water discharge port (13) (14) for each of the stool tubs. There is a drainage port (16) and the urinal (12) has a drainage port (17).   The toilet according to claim 1, wherein the toilet can perform a defecation washing process from the start of defecation washing to the end of discharge or completion of water supply for each of the stool tanks (11) and the urinal tank (12) or both at the same time. (10).   An odor blocking mechanism (20) for blocking odors is provided downstream of each drainage port (16) (17) of the two-tank toilet (10) according to claim 1 or 2, and further, drainage outflow is provided downstream thereof. A super water-saving toilet system equipped with a suction device (39) that reduces the resistance and greatly reduces the water-saving effect.

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