3-stage cyclone dust collection filtration system and vacuum cleaner including the system

摘要

A three stage cyclone dust collecting cup filtration system and a vacuum cleaner including the system are disclosed. The filtration system comprises a first stage filtration device 10; A spiral two-stage dust-air separation device 20 in communication with the air outlet of the first stage filtration device 10 and having two stages of filtration structure, wherein the spiral two-stage dust-air separation device 20 Removably fixed to the first stage filtration device (10). The vacuum cleaner includes a bottom brush, a push rod 30, a body and a three stage cyclone dust collecting cup filtration system.