Magnetic ring fixing device and air conditioner external unit with same

The utility model discloses a magnetic ring fixing device and an air conditioner external unit with the fixing device. The magnetic ring fixing device comprises a magnetic ring seat which is provided with a magnetic ring fixing groove, and a mounting seat. A limiting part which is used for limiting a magnetic ring is arranged on the groove wall of the magnetic ring fixing groove. The mounting seat is arranged on the peripheral side of the magnetic ring seat. The mounting seat comprises a buckle which is connected with another component. According to the magnetic ring fixing device and the air conditioner external unit with the fixing device, which are provided by the utility model, the magnetic ring fixing device comprises the magnetic ring seat and the mounting seat; the magnetic ring seat is provided with the magnetic ring fixing groove; the limiting part which is used for limiting the magnetic ring is arranged on the groove wall of the magnetic ring fixing groove; the magnetic ring can be effectively mounted and fixed; and the mounting seat comprises the buckle which is connected with another component, thus the mounting seat can be conveniently and quickly connected with another component through the buckle.