| 摘要 |
A dust collecting unit is provided to maximize the first dust collecting space and increase the dust collecting capacity by containing the sinking unit at the outer surface of the dividing part. A dust collecting unit is composed of: a dust collecting container(300); a dividing part(310) for dividing the dust collecting container into a first dust collecting space and a second dust collecting space(306); a cyclone flow part whose lower side is shaped like a cone to generate the cyclone in the dust collecting container; and sinking units(311) formed at the outer surface of the dividing part with a predetermined interval to place one part of the lower side of the cyclone flow part. The sinking unit is formed like a shape corresponding with a cone part(284) of a small cyclone(280) of the cyclone flow part. The diameter of the sinking unit is smaller toward the lower side.
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