Lens stopper mechanism
View Patent ↗The present invention discloses a lens stopper mechanism comprising a case and a lens holder. The lens holder holds a lens and has at least one stopper portion; the stopper portion presses against the case after the lens holder moves toward the case for a predetermined distance.
1. A lens stopper mechanism, comprising:
a case;
a lens holder holding a lens; and
a frame surrounding the lens holder;
wherein the lens holder further comprises at least one protruding portion protruding outward relative to an edge of the lens holder, at least one stopper portion positioned at one side of the protruding portion that faces the case and pressing against the case after the lens holder moves toward the case for a predetermined distance, and at least one anti-rotation portion positioned at the opposite side of the protruding portion facing the case and in an inner radial position than the protruding portion;
wherein the frame has at least one recessed portion engaging with the anti-rotation portion.
2. The lens stopper mechanism according to claim 1 , wherein the frame has at least one case stopper supporting the case, so that the lens and the lens holder can move along an optical axis direction within the case.
3. The lens stopper mechanism to claim 1 , wherein the protruding portions extend radially toward four corners of the case.