Voice coil motor

摘要

An exemplary embodiment of the present invention a rotor including a lens and formed with a first driving unit, a stator formed with a second driving unit driving the rotor in response to electromagnetic interaction with the first driving unit, and a base on which the stator is fixed, wherein the rotor is brought into contact with the base, in a case the lens is in a UP posture, and the rotor is distanced from the base, in a case the lens is in a DOWN posture.

主权项

1. A VCM (Voice Coil Motor), the VCM comprising:
a rotor including a bobbin and a first driving unit disposed at a periphery of the bobbin; a stator including a second driving unit opposite to the first driving unit; a case disposed at an upper side of the stator; an elastic member disposed at an upper side of the case; and an interference prevention unit disposed between the case and the elastic member; wherein the elastic member comprises an outer elastic unit, an inner elastic unit coupled to the bobbin, and an elastic connection unit connected to the outer elastic unit and the inner elastic unit; wherein the outer elastic unit is disposed on the interference prevention unit, and wherein the interference prevention unit forms a space in which the elastic connection unit is disposed when the inner elastic unit is moved to a position lower than that of the outer elastic unit.