Dust catcher mop subassembly

The utility model provides a dust catcher mop subassembly, includes the casing, the interior installation space that is of casing, empty roller brush and the ground contact absorption dust of making of lower part dew, the roller brush, the roller brush is installed inside the casing, and transmission, other end follow -up are connected to one end, motor, motor are installed inside the casing, andthrough the rotation of gear drive roller brush, the motor axis is parallel to each other with roller brush axis, lies in roller brush rear, induced draft, set up on the casing, be located roller brush middle part rear. The beneficial effects are that: place the motor at roller brush rear portion, and it is parallel with the roller brush, the motor passes through gear drive roller brush and rotates, makes motor and roller brush be connected through middle transmission, so make the transmission stable, the roller brush parallels parallel arrangement with the motor, and messenger's motor does not exist axiality problem,