Water inlet device of water closet

A water inlet device of a water closet is characterized by comprising a valve body, a valve seat is sleeved in the valve body in a hollow mode, a water distribution piece is installed in the valve seat, a sealing ring is arranged in the water distribution piece, and a water inlet channel and a water outlet channel are arranged on the water distribution piece in a penetrating mode and communicated with the valve body and the valve seat. The sealing ring is covered with a sealing ring, the sealing ring is arranged on the valve element in a sleeved mode and covers the sealing ring, the top of the valve body is sleeved with a valve deck, the sealing ring seals a gap between the valve deck and the water distribution piece, and a balance cavity is formed between the valve deck and the sealing ring. A lever is hinged to the valve deck, one end of the lever is connected with a floater, and a sealing piece is arranged at the other end of the lever and detachably covers a balance hole in the top of the valve deck. A wa