Gravity flow urinal

The utility model provides a gravity flow urinal, including aerify the seat, just groove, leading head piece, prevent the edge leakage wall, prevent the edge leakage groove, edge leakage groove water conservancy diversion mouth, honeycomb duct, inflation inlet, aerify the seat for circular or elliptic type structure, form just groove in the middle part of aerifing the seat, be provided with leading head piece in just groove, leading head piece with set up at the honeycomb duct intercommunication of aerifing foot stall portion, outside edge aerifing the seat is provided with and prevents the edge leakage wall, prevents the edge leakage wall and prevents edge leakage groove with aerifing to form between the seat, be provided with edge leakage groove water conservancy diversion mouth in preventing the edge leakage groove, edge leakage groove water conservancy diversion mouth communicates with the honeycomb duct of aerifing foot stall portion, is provided with the inflation inlet aerifing foot stall portion, the cavity of aerifing of aerifing the cavity with preventing the edge leakage wall of aerifing the seat communicates. The utility model discloses convenient patient yu is stool and urine by oneself, and the patient that can't stand up uses the utility model discloses can lie and urinate in bed, the urine can not edge leakage to bed, and the urine still can be removed along the catheter is automatic simultaneously.