Pressure-flushing system for a toilet bowl

Abstract

The invention relates to a pressure-flushing system ( 100 ) for toilet bowls, comprising a cistern mounting ( 500 ) and a drain module ( 200 ), said drain module ( 200 ) comprising a vertically oriented pressurized water tank ( 501 ) and a drain pipe ( 502 ), a hydraulic drain valve ( 18 ) and a DC pipe interrupter ( 5 ). The drain pipe ( 502 ) is mounted vertically in the pressurized water tank ( 501 ) and projects from the bottom of the pressurized water tank ( 201 ) for a flow connection with the toilet bowl. The drain module ( 200 ) is retained by the cistern mounting ( 500 ), which also carries a gas accumulator ( 19 ). The cistern mounting ( 500 ) has a water-carrying design and has a water connection ( 8 ) for connection to a drinking water mains or similar, and connecting channels ( 507, 510 ) that fluidically connect the pressurized water tank ( 501 ) and the gas accumulator. The pressure-flushing system ( 100 ) complies with standard EN 1717, is compact and easy to install. It allows pressure-wave flushing with little water and low noise emission.

1 . An outflow module ( 200 ) for cisterns for toilet pressure flushing devices, characterized in that it comprises a vertically oriented pressurized water container ( 201 ), which is ideally continuously flooded with water in the operating state
 and vertically arranged within the pressurized water container an outflow pipe ( 202 ), which extends with its lower part ( 240 ) beyond an opening ( 504 ) at the base of the pressurized water container ( 201 ),   wherein an upper part of the outflow pipe ( 202 ) is connected to a lower part ( 4 ) of a DC air filter ( 5 ),   the upper part ( 6 ) of which DC air filter is connected to an upper part ( 84 ) of the pressurized water container ( 201 ), and wherein the lower part ( 4 ) of the DC air filter ( 5 ) ends in an outlet connecting piece ( 7 ), which discharges into the outflow pipe ( 202 ), and the upper part ( 6 ) of the DC air filter ( 5 ) is terminated using a flushing water regulator ( 8 ) and/or using control elements of a hydraulic outflow valve ( 18 ),   
       wherein, in the middle part ( 21 ) of the DC air filter ( 5 ),
 horizontal outflow channels ( 9 ) are located, which are separated from one another by vertical connecting ribs ( 10 ) and which are connected to the interior of the pressurized water container ( 201 ), 
 and a valve chamber ( 11 ) and a valve seat ( 12 ) of the hydraulic outflow valve ( 18 ) are located, wherein a valve core ( 13 ) is located in the valve chamber ( 11 ) and wherein vertical ventilation channels ( 14 ) extend over the upper part ( 6 ) of the DC air filter ( 5 ), the connecting ribs ( 10 ), and over the lower part ( 4 ) of the DC air filter ( 5 ). 
 
     
     
         2 . The outflow module ( 200 ) according to  claim 1 , characterized in that a drain part at the base ( 80 ) of the pressurized water container ( 201 ) has connecting surfaces ( 15 ), which are used for a connection to a cistern mounting ( 500 ). 
     
     
         3 . The outflow module ( 200 ) according to  claim 1 , characterized in that an upper end ( 242 ) of the outflow pipe ( 202 ) is connected by means of an insertion connection ( 60 ) and ring seals ( 22 ) to the lower part ( 4 ) of the DC air filter ( 5 ). 
     
     
         4 . The outflow module ( 200 ) according to  claim 1 , characterized in that the valve seat ( 12 ) of the hydraulic outflow valve ( 18 ) is connected to the lower part ( 4 ) of the DC air filter ( 5 ) by a threaded connection. 
     
     
         5 . The outflow module ( 200 ) according to  claim 1 , characterized in that the flushing water regulator ( 8 ) is connected to the upper part ( 6 ) of the DC air filter ( 5 ) by a threaded connection. 
     
     
         6 . The outflow module ( 200 ) according to  claim 1 , characterized in that the upper part ( 6 ) of the DC air filter ( 5 ) is connected to the upper part of the pressurized water container ( 1 ) by a threaded connection. 
     
     
         7 . A cistern mounting ( 500 ) for toilet pressure flushing devices using pressure wave flushing, characterized in that the cistern mounting ( 500 ) is a carrier plate ( 1 ) comprising an open outflow shell ( 502 ) accessible from above for attaching an outflow module ( 200 ), which has an outflow opening ( 504 ) in the center of its base ( 503 ) for inserting an outflow pipe ( 202 ) and at least one inflow opening ( 509 ) on the peripheral section of the base ( 503 ), wherein the carrier plate ( 1 ) furthermore has at least one open inflow shell ( 505 ) accessible from above for attaching a hydraulic gas accumulator, and wherein an inlet/outlet opening ( 506 ) is located on the peripheral section of the base ( 503 ′) of the open inflow shell ( 505 ), which inlet/outlet opening is connected to an inflow channel ( 507 ) or an inflow pipe of the cistern mounting ( 500 ), which has a water connection ( 8 ), wherein the inlet and/or outlet opening ( 506 ) of the open inflow shell ( 505 ) is connected via a connecting channel ( 510 ) or a connecting pipe of the cistern mounting to the at least one inflow opening ( 509 ) on the peripheral section of the base ( 503 ) of the open outflow shell ( 502 ). 
     
     
         8 . The cistern mounting ( 500 ) according to  claim 7 , characterized in that the open outflow shell ( 502 ) has attachment flanges ( 511 ), which are used for attaching the outflow module ( 200 ). 
     
     
         9 . The cistern mounting ( 500 ) according to  claim 7 , characterized in that the at least one open inflow shell ( 505 ) has attachment flanges ( 511 ′), which are used for attaching the hydraulic gas accumulator ( 19 ). 
     
     
         10 . The cistern mounting ( 500 ) according to  claim 7 , characterized in that the outflow opening ( 504 ) in the center of the base ( 503 ) of the outflow shell ( 502 ) has a seal ( 512 ), which is used for the pressure-tight insertion of the outflow pipe ( 202 ). 
     
     
         11 . The cistern mounting ( 500 ) according to  claim 7 , characterized in that the carrier plate ( 501 ) has thin walls and stabilizing ribs ( 513 ). 
     
     
         12 . The cistern mounting ( 500 ) according to  claim 7 , characterized in that the base ( 503 ,  503 ′) of the outflow shell ( 502 ) and/or the inflow shell ( 505 ) protrude downward out of the carrier plate ( 501 ). 
     
     
         13 . The cistern mounting ( 500 ) according to  claim 7 , characterized in that two accessible open inflow shells ( 505 ) are located on top on the carrier plate ( 501 ), which are used for the respective attachment of a hydraulic gas accumulator ( 19 ), wherein each of the inflow shells ( 505 ) is connected to an inflow channel ( 7 ) or an inflow pipe having a water connection ( 508 ), wherein the inlet/outlet openings ( 506 ) of the open inflow shells ( 550 ) are each connected via connecting channels ( 510 ) or connecting pipes to an inflow opening ( 509 ) on the peripheral section of the base ( 503 ) of the open outflow shell ( 502 ). 
     
     
         14 . The cistern mounting ( 500 ) according to  claim 7 , characterized in that the carrier plate ( 501 ) is fixedly connected to the outflow pipe ( 202 ). 
     
     
         15 . The cistern mounting ( 500 ) according to any one of  claims 7  to  14 , characterized in that the carrier plate ( 501 ) has installation retention elements. 
     
     
         16 . The cistern mounting ( 500 ) according to any one of  claims 7  to  13 , characterized in that the carrier plate ( 501 ) is manufactured in one piece, preferably as an injection-molded part or cast part. 
     
     
         17 . A pressurized water flushing system ( 100 ) for toilet bowls comprising a pressurized water container ( 201 ) and a mounting for the pressurized water container ( 201 ) and also comprising an outflow pipe ( 202 ) and a hydraulic outflow valve ( 18 ), which is used for the regulated drainage of flushing water out of the pressurized water container ( 201 ) via the outflow pipe ( 202 ) into the toilet bowl ( 300 ), characterized in that the mounting is a cistern mounting ( 500 ) according to any one of  claims 7  to  16  and pressurized water container ( 201 ), outflow pipe ( 202 ), and hydraulic outflow valve ( 18 ) are components of an outflow module ( 200 ) according to any one of  claims 1  to  6 , and it comprises at least one hydraulic gas accumulator ( 19 ), which is connected on the outflow side via the cistern mounting ( 500 ) to the pressurized water container ( 201 ) and is connectable on the inflow side via the cistern mounting ( 500 ) to a pressurized water supply system.