Air purifier

An air purifier comprising:

• a housing having at least a portion of one side surface openable:
• a filter member disposed in the housing and for filtering external air;
• a latching part disposed at an upper side of the filter member in the housing, wherein at least a portion of the latching part have a shape corresponding to an upper end of the filter member and is formed to be in contact with the upper end of the filter member;
• and
• a filter support structure on which the filter member is seated, and which, in a state where one side surface of the housing is open, can be drawn out of the housing along a pull-out direction in a direction of the one side surface,
• wherein the filter support structure comprises:
• a first body having a mounting part on which the filter member is seated, and having a protruding part protruding and extending in a direction of the ground on a lower surface thereof:
• and
• a second body disposed at a lower portion of the first body, and having a groove part formed on one side thereof with an inclined surface of a straight line or a curved line in contact with the protruding part,
• wherein the protruding part moves upward along the inclined surface of the groove part when the second body is drawn in a pull-in direction opposite to the pull-out direction, the first body moves from a release position, which is a position where the filter member is detachable, to a lock position, which is position at an upper side of the release position and a position where the filter member is in contact with the latching part and fixed thereto, and
• in the lock position, air flow between the filter member and the latching part is blocked.