Centrifugal indicating mechanism of single-barrel rotary mop and mopping tool

The centrifugal indicating mechanism comprises a mop and a mop bucket provided with a water feeding mechanism, the mop comprises a mop rod and a mop head capable of rotating around the axis of the mop rod, and the mop head is provided with a base plate, an upper cover and a centrifugal part which is arranged between the base plate and the upper cover and can slide. An elastic piece connected with the centrifugal piece is arranged on the base plate, a hinting piece is arranged at the end, deviating from the rotating axis of the mop head, of the centrifugal piece, the water feeding mechanism feeds water and does not stretch out of the mop head when the mop head rotates at a low speed, and the water feeding mechanism does not feed water and the hinting piece stretches out of the mop head when the mop head rotates at a high speed. Compared with the prior art, the mop has the advantages that the end part of the centrifugal part of the mop head is provided with the indicating part, so that the displacement of the c