ELECTRIC MOTOR, PUMP DEVICE USING ELECTRIC MOTOR, AND STATOR

摘要

An electric motor, and the electric motor includes a stator core provided on a stator, a plurality of teeth provided on the stator core, a coil wound body attached to the tooth, an inner flange portion provided at an inner diameter side of a bobbin, a first engagement portion provided at one end side in a width direction of the inner flange portion, and a second engagement portion provided at the other end side in the width direction of the inner flange portion, the first engagement portion being provided to be located at an outer side in a diameter direction than the second engagement portion of the adjacent coil wound body in a moving direction, the second engagement portion being provided to be located at an outer side in a diameter direction than the first engagement portion of the adjacent coil wound body in a moving direction.

主权项

1. An electric motor including a rotor having a magnetic pole and a stator for arranging the rotor in a central hole,
the electric motor comprising:
a stator core provided on the stator and formed of a magnetic material;a plurality of teeth provided on the stator core;a coil wound body attached to the tooth, and having a bobbin and a coil formed by winding a conductive wire around the bobbin;an inner flange portion provided at an inner diameter side of the bobbin;a first engagement portion provided at one end side in a width direction of the inner flange portion; anda second engagement portion provided at the other end side in the width direction of the inner flange portion, and coming into contact with the first engagement portion of the adjacent coil wound body, the first engagement portion being provided to be located at an outer side in a diameter direction than the second engagement portion of the adjacent coil wound body in a moving direction along the tooth of the coil wound body where the first engagement portion exists, the second engagement portion being provided to be located at an outer side in a diameter direction than the first engagement portion of the adjacent coil wound body in a moving direction along the tooth of the coil wound body where the second engagement portion exists.