Patent ID: 7990629
Filing Date: 2011-08-02
Classification: G02B

Abstract:
1. A lens module, comprising: a lens sleeve, comprising an inner tube, wherein a lens space is formed by the inner tube, and a main axle passes through the lens space and is parallel to the inner tube; a coil, installed on the inner tube, wherein a plurality of grooves is formed between the coil and the inner tube; a covering board, comprising a central hole and a plurality of extending fixing pillars extending parallel to the main axle, wherein the diameter of the central hole is greater than the outer diameter of the lens sleeve; a second elastic sheet, comprising a plurality of apertures corresponding to the covering board and a gap; a limiting member, comprising an opening and a plurality of magnetic limiting portions, wherein the magnetic limiting portions extend parallel to the main axle from an inner edge of the opening of the limiting member; and a base, connected to the covering board and comprising a plurality of fixing holes, wherein the covering board holds the lens sleeve and connects to the limiting member, the magnetic limiting portions are correspondingly installed in the grooves and the second elastic sheet is fixed on the base via the covering board, and the extending fixing pillars of the covering board pass through the gap of the second elastic sheet and the fixing holes of the base to connect to the base.