Fan motor
A fan motor according to an embodiment includes a bearing holder, a stator, a circuit board, and a synthetic resin. The stator is mounted at an outer circumference of the bearing holder. The circuit board is electrically connected to a coil of the stator, is mounted at a surface of the base part at an opposite side to the bearing holder, and extends from a base part to a connector housing. The synthetic resin seals the bearing holder, the stator, and the circuit board, except for both end faces of the bearing holder. The connector housing has a gate opening that is injected with the synthetic resin at the time of sealing and ribs that are at an opposite side to the gate opening with the circuit board between the ribs, and tops of the ribs making contact with the circuit board.
1. A fan motor comprising:
a bearing holder that is tubular and formed by insert molding with a base part that is integral with a housing and a connector housing; a stator that is mounted at an outer circumference of the bearing holder; a circuit board that is electrically connected to a coil of the stator, is mounted at a surface of the base part at an opposite side to the bearing holder, and extends from the base part to the connector housing; and a synthetic resin that seals the bearing holder, the stator, and the circuit board, except for both end faces of the bearing holder, wherein
the connector housing includes a gate opening that is injected with the synthetic resin at the time of sealing and ribs that are at an opposite side to the gate opening with the circuit board between the ribs, and tops of the ribs making contact with the circuit board.
2. The fan motor according to claim 1 , wherein
the ribs are provided in two rows with connector pins between the ribs, the connector pins being disposed inside the connector housing.
3. The fan motor according to claim 1 , wherein
the base part includes another rib having a top that makes contact with the circuit board.