This utility model relates to the field of
power tool technology, and in particular to a cleaning
brush. A cleaning
brush includes: a main unit and an extension rod
assembly; the extension rod
assembly includes: a telescopic rod, a rear
handle, a rod housing, a rod PCB board, a rod battery, and a rod button; the rod housing forms the front grip portion; the rod housing is located at the connection point between the inner and outer sleeves of the telescopic rod; the rod PCB board is mounted on the rod housing. The
advantage of this utility model is that the extension rod
assembly is equipped with a rod PCB board, a rod battery, and a rod button, allowing
remote control of the main unit via the rod button, eliminating the need for control via the main unit's buttons, thus simplifying use. The rod PCB board is located on the rod housing at the connection point between the inner and outer sleeves of the telescopic rod, and during use, the rod button is positioned in front of the user for easy access. The distance between the front grip portion and the rear
handle can be controlled by extending and retracting the telescopic rod to meet the gripping needs of different users.