| 摘要 |
PURPOSE: A shaft connecting device for a BLDC motor is provided to enable a connection of a shaft and a blade by combining a screw part of the shaft to a fastening nut of the blade without using an additional connecting tool, thereby improving efficiency in the connection work. CONSTITUTION: A blade comprises a rotor housing(20) to surround a stator core(40) and a blower unit(10). The blower unit is manufacture separately from the rotor housing, and coupled to the rotor housing. A shaft(30) is disposed to pass through the center of the stator core. A fixing unit connects the shaft to the blade to be detachable. The fixing unit includes a screw part(32), which is provided in a side of the shaft, and a fastening nut(50) to be coupled to the screw part.
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