An air outlet structure, indoor unit and air conditioning unit, wherein the air outlet structure comprises an air sweeping cover plate (1), air sweeping blades (2) and a screw cap. The air sweeping cover plate (1) is integratedly installed with the blades (2) and the screw cap, with the air sweeping blades (2) being rotatable relative to the air sweeping cover plate (1). The air outlet structure features a high level of integration, which solves the problem of parts becoming scattered.