Outer rotor brushless motor and ox horn fan with same

The utility model discloses an external rotor brushless motor and an ox horn fan with the same, and relates to the technical field of motor equipment, the external rotor brushless motor comprises a casing, the casing comprises a first casing and a second casing which are buckled with each other, a rotating shaft is arranged in the casing in a penetrating manner, the rotating shaft is rotatably matched with the first casing, a bearing support is omitted, the structure is simplified, and the cost is reduced; a rotor is arranged at one end, close to the second shell, of the rotating shaft, a stator iron core is fixedly installed in the first shell, the rotor wraps the stator iron core, and the stator iron core is provided with at least twelve winding grooves in the circumferential direction so as to ensure that the motor can bear a large load; the first shell is provided with a matching part extending towards the inner cavity, a bearing is arranged in the matching part, the stator core is fixedly installed on th