ROLLING BRUSH AND VACUUM USING ROLLING BRUSH

摘要

A rolling brush and a vacuum that uses the rolling brush, the rolling brush comprising a brush roller (11), the shaft center of the brush roller (11) being provided with an inner cavity (111); a peripheral side wall of the brush roller (11) is provided with a through hole (112), and the through hole (112) communicates with the inner cavity (111) of the brush roller (11); the inner cavity (111) is provided therein with a mandrel piece (12), the mandrel piece (12) comprises a mandrel body (121) and a scraping piece, and the scraping piece is provided on a peripheral side surface of the mandrel body (121); the mandrel piece (12) may rotate relative to the brush roller (11); a free end of the scraping piece is inserted into the through hole (112) and may extend past an outer surface of the brush roller (11), and the length of the scraping piece extending past the brush roller (11) changes along with the rotation of the mandrel body (121) relative to the brush roller (11).