Fan motor

Abstract

The fan motor according to the present invention comprises a fan () comprising a fan body () having a circular plate shape, a plurality of fan blades () formed in an upper portion of the fan body (), a central protruding part () protruding upwardly from a central portion of the fan body (), a shaft fixing part () formed in an inner side of the central protruding part (), a shaft () coupled and fixed to the shaft fixing part () to rotate when the fan body () rotates, and a magnet receiving part () formed in a central lower portion of the fan body (); a ring plate magnet () coupled to the magnet receiving part (); a motor bracket () having a PCB bracket coupling part () formed in a center; a PCB bracket () comprising a body () having a cup shape, a bearing insertion part () having a cylinder shape, protruding upwardly from a center of the body (), a through-hole () formed inside the bearing insertion part (), into which a bearing () is inserted, and the bearing () inserted and fixed to the through-hole (); and a coil-PCB assembly () comprising a coil cover (), a pair of D-type coils () installed in the coil cover (), and a PCB () located in a lower portion of the coil cover () and installed in the body (), wherein the ring plate magnet () installed in a lower portion of the fan body () is located in an upper portion of the pair of D-type coils () to face therewith.