Water storage tank with interior convenient to clean

The utility model relates to the technical field of water storage tanks, and discloses a water storage tank convenient for internal cleaning, which comprises a tank body, a water inlet pipe is arranged at the upper end of the tank body, a water outlet pipe is arranged at the lower end of the tank body, and a sealing shell communicated with the water inlet pipe is mounted at the upper end of the tank body in a penetrating manner. A scraper is arranged at the lower end of a rotating rod penetrating through a connecting shell and used for scraping deposited impurities at the bottom of a box body, a pushing blade is fixedly connected to the position, located on the connecting shell, of the rotating rod, the scraper is driven to work through rotation of the pushing blade, a connecting pipe on one side of a sealing shell communicates with the connecting shell, and power is provided for rotation of the pushing blade through water flow; meanwhile, the water flow can wash away the scraped sediment impurities, the conn