Detachable and washable floor drain

The utility model discloses a detachable and washable floor drain. Included are a body and a core, water inlet holes are formed in the main body, an upper cover and a filter screen are arranged in thewater inlet hole; blocking ribs are arranged on the main body, the blocking rib is provided with two notches. The upper cover is provided with a buckle capable of being clamped into the blocking ribfrom the notch; water outlets are formed in the lower end of the body; the upper end of the core is detachably connected with the water outlet, the lower end of the filter screen is movably connectedwith the inner wall of the core, a plurality of ribs are arranged on the inner wall of the core, a bottom hole and two connecting arms are arranged at the bottom of the core, connecting holes are formed in the connecting arms, rotatable counterweight seats are mounted in the connecting holes, and sealing rings and counterweight blocks are arranged at the ends, below the bottom hole, of the counterweight seats. The main body