Mop bucket pump water cleaning mechanism and working method thereof

A mop bucket pump water cleaning mechanism, disposed in a cleaning opening (103) of a mop bucket main body (1), wherein the mop bucket pump water cleaning mechanism comprises:

• a cleaning opening bracket (2), configured to install limiting rollers (6) and a cleaning assembly, wherein the cleaning opening bracket (2) is detachably installed below a top panel (4) at a top opening of the mop bucket main body (1), and the cleaning opening (103) is defined on the top panel (4) and the cleaning opening bracket (2);
• and the limiting rollers (6) are configured to limit a back of a mop plate (10) inserted into the cleaning opening (103), and the cleaning assembly is configured to spray water to clean a cleaning pad on a front side of the mop plate (10);
• and
• water pumps (7), disposed in a clean water chamber (101) of the mop bucket main body (1), wherein the limiting rollers (6) are configured to transmit power to the water pumps (7) through transmission assemblies, respectively, and the water pumps (7) are configured to pump water to the cleaning assembly.