Flush valve for installation in toilet water tank and method for cleaning toilet

A flush valve for installation in a toilet water tank and a method for cleaning a toilet are provided. A toilet cleaning system is integrated with the flush valve of the toilet, and the flush valve comprises a valve body having at least one inlet and an outlet; a refill tube connected to the valve body to form a fluid tight seal and further fluidly coupled to at least one inlet of the valve body;and a detergent support disposed within the valve body and located within a fluid passage between at least one inlet of the valve body and an outlet of the valve body. The toilet cleaning system of the present invention maintains a cleaning agent to be separated from the sensitive seal of the water tank of the toilet. Further, the toilet cleaning system provides a path that passes the cleaning solution through the rim of the toilet such that a majority of the toilet is affected by the solution. 本发明提供了一种用于安装在马桶水箱中的冲洗阀以及用于清洁马桶的方法。马桶清洁系统集成有马桶的冲洗阀，所述冲洗阀包括：阀体，所述阀体具有至少一个入口和出口；再填充管，所述再填充管连接到所述阀体以形成不透流体的密封，所述再填充管还流体地联接至所述阀体的至