Locking device of lift-top optical disc drive

A lift-top optical disc drive, comprising:

• a main body;
• a lid having an recess, wherein the lid is pivotally connected to one end of the main body;
• a base disposed on another end of the main body;
• a fixed piece disposed on the base, and the fixed piece comprising a track;
• a engaging piece slideably protruding from the track, the engaging piece having a first end and a second, the first end of the engaging piece disposed corresponding to the recess of the lid;
• and
• a driver disposed on the base and connected to the engaging piece for driving the engaging piece to slide in the track along a first direction, wherein the driver comprises:
• a moveable piece having a third end, an extending portion and a fourth end, the extending portion jointing the third and the fourth end and pivotally connected to the base so as to allow the third end and the fourth end of the movable piece to rotate around the extending portion as pivot point, while the third end of the moveable piece connected to the engaging piece for supporting the engaging piece to be engaged with the recess;
• wherein when the engaging piece is driven to slide along the track, the first end of the engaging piece is detached from the recess of the lid.