Patent ID: 9375120
Filing Date: 2016-06-28
CPC Classification: A47L,B01D

Claim Text:
1. A dust collector for a cleaner, comprising: a dust container defining an air inlet in a bottom wall thereof; a cyclone separator disposed in the dust container and defining a cyclone separator inlet communicated with the air inlet and a cyclone separator outlet; a dust container top cover covering the dust container and defining an air outlet communicated with the cyclone separator outlet; an air intake tube defining two ends communicated with the air inlet and the cyclone separator inlet respectively and being engaged with the dust container; wherein the cyclone separator comprises: a cyclone barrel defining an upper open end, the cyclone separator inlet being formed in a bottom wall of the cyclone barrel, an air guide plate and an air shield plate being disposed in the cyclone barrel, and at least a part of the air guide plate being extended upwardly and spirally; a cyclone separator end cover disposed above the cyclone barrel, the cyclone separator outlet being formed in the cyclone separator end cover, in which an upper end of the dust container is open, and the cyclone separator end cover covers the upper end of the dust container; a filter defining an upper end communicated with the cyclone separator outlet, and a lower end extended into the cyclone barrel; an air guide barrel defining a lower end communicated with the cyclone separator inlet and an upper closed end, and defining an air vent in a side wall of the air guide barrel communicated with the cyclone barrel, the air shield plate being disposed above the air vent and no higher than an upper edge of the air guide plate; wherein the air guide plate is annular and comprises: first and second plate bodies perpendicular to an axis of the cyclone barrel respectively; a spiral plate extended spirally in an up-down direction, and defining two ends connected to the first and second plate bodies respectively; a connection plate parallel to an axis of the cyclone separator, and defining two ends connected to the first and second plate bodies respectively.