Mop dewatering device

The utility model discloses a mop dewatering device which comprises a water-containing cylinder. The utility model is characterized in that the water-containing cylinder is respectively provided with a fixing roller and a movable roller which can be close to the fixing roller or away from the fixing roller. A shaft of the moveable roller is arranged on two symmetrical chutes, one end of a supporting plate is provided with two supporting ears, and the shaft of the moveable roller is arranged on the two supporting ears. The other end of the supporting plate is provided with a short shaft which can be hinged with a pedal, and the pedal is rotatablely arranged on a shaft. A tension spring is arranged between the supporting plate and the rotating shaft, and the upper part of the pedal is provided with a projecting stand which can be hinged with the short shaft. The utility model can also be used for squeezing and dewatering other articles.