Air cleaner

An air cleaner, comprising:

• an air cleaning module including a first fan;
• and
• a circulator movably provided at an upper side of the air cleaning module, the circulator including:
• a fan housing in which a second fan is accommodated;
• an introduction grill provided at a lower side of the fan housing, the introduction grill being configured to guide air discharged through the air cleaning module to the fan housing;
• a discharge grill provided at an upper side of the fan housing, the discharge grill being configured to form a discharge portion through which air passing through the second fan is discharged;
• a display provided at an upper surface of the circulator, the display being provided at a center of the discharge grill, wherein the display comprises a display screen to display operation information of the air cleaner, the display screen being movable with the fan housing and the discharge grill when the circulator moves;
• a guide main body provided on a top portion of the air cleaning module and configured to support sliding of the circulator;
• a fixing guide fixed to the guide main body and having a gear and a first guide surface provided on an upper portion of the fixing guide;
• and
• a rotational guide member provided on a lower portion of the introduction grill, provided between the introduction grill and the guide main body, wherein the rotational guide member comprises a second guide surface and a rack provided on the second guide surface, wherein the gear is configured to move the rack so that the first guide surface is able to slide along the second guide surface so as to cause the circulator to slide up and down respect to the guide main body between a laying down state and a standing state, and wherein when the circulator is in the laying down state, the display screen is directed in an upward direction of the air cleaner, and when the circulator is in the standing state, the display screen is directed in a lateral direction of the air cleaner.