Ceramic pressure-flushing apparatus and flushing method thereof

Abstract

A ceramic pressure-flushing apparatus includes a toilet chamber; a lower jet nozzle arranged at a lower flushing port, wherein the lower jet nozzle includes a sleeve tube arranged in a sidewall of a water seal recess, a venturi tube is installed inside the sleeve tube, and a negative pressure port is formed between an outer wall of the venturi tube and an inner wall of the sleeve tube; at least one water mixing area arranged on an outer peripheral surface of the sleeve tube and in communication with the water seal recess through the negative pressure port; and a water supplement structure in communication with the water mixing area, wherein after pressurized water flows into the venturi tube, a negative pressure is formed at the negative pressure port, and water in the water supplement structure is sucked to flush down waste.

What is claimed is: 
     
         1 . A ceramic pressure-flushing apparatus, comprising:
 a toilet chamber, wherein the toilet chamber comprises a lower flushing port and an upper flushing port;   a lower jet nozzle arranged at the lower flushing port, wherein the lower jet nozzle comprises a sleeve tube arranged in a sidewall of a water seal recess of the toilet chamber, a venturi tube is installed inside the sleeve tube, and a negative pressure port is formed between an outer wall of the venturi tube and an inner wall of the sleeve tube;   at least one water mixing area arranged on an outer peripheral surface of the sleeve tube, and the water mixing area communicates with sealing water in the water seal recess through the negative pressure port; and   a water supplement structure in communication with the water mixing area, wherein after pressurized water flows into the venturi tube, a negative pressure is formed at the negative pressure port, and water in the water supplement structure is sucked through the water mixing area to be combined with the pressurized water to flush down waste;   wherein the water supplement structure is internally provided with a ventilation plane having a top opening higher than the sealing water in the water seal recess.   
     
     
         2 . The ceramic pressure-flushing apparatus according to  claim 1 , wherein the diameter of an outer edge of a side of the sleeve tube in an axial direction proximal to a water outlet end is larger than the diameter of the lower flushing port. 
     
     
         3 . The ceramic pressure-flushing apparatus according to  claim 2 , wherein a side of the sleeve tube in the axial direction proximal to a water inlet end at least partially extends out of the toilet chamber to form a protrusion, and the protrusion matches with a nut to fix the lower jet nozzle in the lower flushing port. 
     
     
         4 . The ceramic pressure-flushing apparatus according to  claim 1 , wherein a bottom surface of the water supplement structure is located above the sleeve tube and the water mixing area, when water is refilled into the water seal recess by the upper flushing port, the water will partly flow into the water mixing area through the negative pressure port to refill water into the water supplement structure. 
     
     
         5 . The ceramic pressure-flushing apparatus according to  claim 1 , wherein the water supplement structure is arranged in the interior of the toilet chamber, the water supplement structure is separated from the water seal recess by a ceramic partition, and a bottom part of the ceramic partition is biased against an outer peripheral surface of the sleeve tube. 
     
     
         6 . The ceramic pressure-flushing apparatus according to  claim 5 , wherein a length of the water mixing area is defined as d, a distance between the ceramic partition and an inner sidewall of the toilet chamber is defined as D, and d<D. 
     
     
         7 . The ceramic pressure-flushing apparatus according to  claim 6 , wherein the water supplement structure further comprises a first ventilation pipeline, the water supplement structure is in air communication with an exterior through the first ventilation pipeline, and a top opening of the first ventilation pipeline is higher than a liquid level of the sealing water after water refilling. 
     
     
         8 . The ceramic pressure-flushing apparatus according to  claim 1 , wherein the water supplement structure comprises an external water tank arranged in an exterior of the toilet chamber, a water outlet end of the external water tank is connected to the water mixing area through a water supplement pipe, and a water inlet end of the external water tank is connected to an external water source. 
     
     
         9 . The ceramic pressure-flushing apparatus according to  claim 8 , wherein the water supplement structure further comprises a second ventilation pipeline, the water supplement structure is in air communication with the exterior through the second ventilation pipeline, and a top opening of the second ventilation pipeline is higher than the liquid level of the sealing water after water refilling. 
     
     
         10 . A ceramic pressure-flushing method, comprising the ceramic pressure-flushing apparatus according to  claim 1 , and comprising the following steps:
 step 1: installing a lower jet nozzle in a lower flushing port located in the water seal recess of a ceramic toilet bowl, providing the venturi tube inside the lower jet nozzle, and forming the negative pressure port on the venturi tube;   step 2: providing the water supplement structure in an interior or an exterior of the ceramic toilet bowl and connecting the water supplement structure to the negative pressure port of the lower jet nozzle;   step 3: feeding pressurized water to the lower jet nozzle, and mixing water in the water supplement structure with the pressurized water by a suction force created on the negative pressure port to form mixed water to flush down waste in the ceramic toilet bowl.