Mounting protective film ring for optical lens

• Main Authors: YANG ZUHUA, LI XIANGFENG, TAN ZHONGLIN
• Format: Patent
• Language: Chinese; English
• Published: 14.12.2021
• Subjects: CONTACT LENSES; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICS; PHYSICS; SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES

The utility model discloses an installation protective film ring for an optical lens, which comprises a film ring, the inner side of the film ring is provided with a containing groove, the containing groove is composed of a bevel edge part and an arc-shaped bottom, and the side wall of the bevel edge part is symmetrically provided with elastic empty grooves. A buffer spring, a plastic hard plate and an ejection rubber block are installed in the elastic empty groove, an opening of the containing groove is gradually enlarged from inside to outside, the arc-shaped bottom is connected with the two lower ends of the bevel edge part, one end of the buffer spring is connected with the inner wall of the elastic empty groove, and the other end of the buffer spring is connected with the plastic hard plate. The two sides of the containing groove are in the bevel edge shape, the bottom of the containing groove is in the arc shape, the end edge of the lens can be effectively contained, and after the end edge of the lens e