FLOWING PREVENTION FOR WASTEWATER RECEPTACLE

摘要

PURPOSE: A sewage receiver having a backflow prevention function is provided to prevent offensive odors from flowing backward by opening and closing an auxiliary cover using a backflow prevention device. CONSTITUTION: A sewage receiver(60) having a backflow prevention function comprises a case(10), a main cover(20), an auxiliary cover(30), a seat part(40), and a backflow prevention device(50). The case has an inlet(11) and an outlet(12). The main cover is installed on the opened top of the case and has an inclined transfer hole. The auxiliary cover is installed in the transfer hole of the main cover and opens and closes the transfer hole. The seat part is installed on the bottom end of the main cover and supports the backflow prevention device. The backflow prevention device is connected to the auxiliary cover and prevents sewage exhausted to the outside from re-flowing into the sewage receiver.