Household garbage dewatering device

The invention provides a household garbage dewatering device comprising an installation base, a dewatering mechanism, an inner wall cleaning mechanism and a cleaning positioning mechanism. The dewatering mechanism is installed on the surface of the upper end of the installation base, the inner wall cleaning mechanism is installed on the dewatering mechanism, and the cleaning positioning mechanism is installed on the inner wall cleaning mechanism. The inner wall cleaning mechanism comprises a cleaning strip, an installation clamping plate, a rotating block, a first reset spring, a first fixed ring, a first limiting clamping ring, a second limiting clamping ring, a first connecting sleeve, a connecting groove, a fixed stop piece, a fixed sliding plate, an inner wall cleaning shell and two fixed rings. The cleaning positioning mechanism comprises a limiting guide column, a pushing block, a second reset spring and a third fixed ring. Compared with the prior art, the household garbage dewatering device has the fol