CYCLONE DUST COLLECTING DEVICE AND VACUUM CLEANER HAVING THE SAME WITH IMPROVED AND SIMPLE STRUCTURE OF CLEANER BODY BY DECREASING SIZE OF AIR SUCTION PASSAGE

摘要

PURPOSE: A cyclone dust collecting device and a vacuum cleaner having the same are provided to simplify the structure of a cleaner body by reducing the size of a second air suction passage for guiding clean air discharged from a cyclone chamber. CONSTITUTION: A cyclone dust collecting device for a vacuum cleaner is installed between a first air suction passage(260) connected to a suction assembly(220) and a second air suction passage(270), and is composed of a cyclone body(310), and an air suction pipe(350). The cyclone body includes a first through hole(310a) connected to the first air suction passage, a second through hole(310b) connected to the second air suction passage, a cyclone chamber(315) separating dust from outside air by centrifugal force and collecting the separated dust, a filtering chamber(340) formed between the outlet(350c) of the air suction pipe and the second through hole, and a filter member(343) detachably installed at the filtering chamber and removing fine dust from clean air discharged from the cyclone chamber. The inlet(353) of the air suction pipe is disposed at the inside of the cyclone chamber. The outlet of the air suction pipe penetrates through the bottom of the cyclone chamber, and is connected to the second through hole.