Adjustable sweeping brush for sweeper

The utility model belongs to the technical field of sweeping brushes, in particular to an adjustable sweeping brush for a sweeper, which comprises a mounting rack, an adjusting component and a dismounting mechanism, connecting rods are symmetrically arranged on two sides of the mounting rack, one end of each connecting rod is movably connected with a connecting block, and one end of each connecting block far away from the corresponding connecting rod is connected with a placing box. A driving motor is installed in a containing cavity formed in the containing box, the output end of the driving motor is connected with a driving shaft, the lower end face of the driving shaft is connected with a brush disc, and the lower end face of the brush disc is connected with bristles. The dismounting and mounting mechanism is provided with a first dismounting and mounting structure or a second dismounting and mounting structure, and the bristles are detachably mounted on the brush disc through the dismounting and mounting