Voice Coil Motor

摘要

Disclosed is a voice coil motor, the motor including a rotor having a cylindrical bobbin that has a support block protruding from an upper end of an outer circumference thereof and a coil block that is coupled to the outer circumference of the bobbin in a direction from a lower surface to an upper surface of the bobbin and is supported by the support block, a stator having a magnet facing the coil block and a yoke holding the magnet, elastic members coupled to upper and lower surfaces of the bobbin, respectively, a base supporting the stator and the elastic members, and a foreign substance inflow-prevention portion formed on an upper surface of the base in such a way as to protrude around an opening formed in a central portion of the base in a shape of a closed loop.

主权项

1. A voice coil motor, comprising:
a base; a bobbin disposed on the base; a coil block coupled to the bobbin; a magnet facing the coil block; a yoke fixing the magnet; a lower elastic member coupled to a lower portion of the bobbin; and a housing including a top plate that covers the yoke and has an opening and a side plate that extends from the top plate of the housing towards the base, wherein the bobbin includes a plurality of anti-rotation portions protruding upwardly from an upper surface of the bobbin.