Filter mechanism of combined air conditioning unit

The utility model discloses a filter mechanism of a combined air conditioning unit, which comprises a filter component body positioned inside a unit body and a mounting mechanism positioned on the unit body, the mounting mechanism comprises a mounting frame, the filter component body is positioned inside the mounting frame, and fixing mechanisms are arranged at the top and the bottom of the mounting frame. The fixing mechanism comprises a limiting column, a spring, a pulling rope and a fixing ring, limiting holes are formed in the top end and the bottom end of the inner wall of the mounting frame, one end of the limiting column is connected with an inner cavity of the limiting hole in a sliding and penetrating mode, the outer wall of the limiting column is sleeved with the spring, and grooves are formed in the top end and the bottom end of the filtering assembly body. According to the filter assembly disclosed by the utility model, the mounting frame, the limiting column, the spring, the pulling rope, the lim