WING KNOB DEVICE FOR AIR VENT

Provided is a wing knob device for an air vent, the wing knob device, which is installed in any one of a plurality of rear wings to change an angle of a rear wing and a front wing, the wing knob device including a rear knob provided to surround an exterior of the rear wing and comprising a wing inserting portion opened forward to move in a longitudinal direction of the rear wing, a front knob coupled to a front end portion of the rear knob to support a front surface of the rear wing, and