Dust collection unit for vacuum cleaner

A dust collection unit for a vacuum cleaner, comprising:

• a first filtering chamber for filtering a first foreign objects;
• a plurality of second filtering chambers formed along an outer circumference of the first filtering chamber to receive air passed through the first filtering chamber and filter a second foreign objects by using cyclone airflow, the second foreign objects being smaller than the first foreign objects;
• an air intake hole formed in the second filtering chambers and through which air is introduced;
• a pair of air introduction guides extended outward from the air intake hole to guide a flow of air introduced into the second filtering chamber in a tangent direction of an inner surface of the second filtering chambers;
• and
• a chamber sealing member formed under the filtering chamber to seal an inner space thereof.

A dust collection unit for a vacuum cleaner, comprising:

• a first filtering chamber;
• a plurality of second filtering chambers for filtering foreign objects by using cyclone airflow generated by air introduced from the first filtering chamber;
• and
• at least two air introduction guides extended outward from the second filtering chambers so as to guide air introduction into openings of the second filtering chambers.