| 摘要 |
A dust collecting unit is provided to easily combine the upper cover and the discharge guide plate by placing plural screw combining units at the cyclone flow part. A dust collecting unit comprises: an upper cover formed with plural screw insertion grooves to insert the screw; a dust collecting container whose upper surface is shielded by the upper cover and formed with plural dust collecting spaces; a cyclone flow part(270) for forming the cyclone in the dust collecting container; a discharge guide plate mounted at the upper side of the cyclone flow part to guide the flow of the filtered air; a lower cover for selectively shielding the lower surface of the dust collecting container; and plural screw combining units(288) formed at the cyclone flow part to be combined with the upper cover. The screw combining units are formed with three units.
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