Lens fixing device

The utility model is applicable to the field of light-emitting diode (LED) backlight devices, and provides a lens fixing device, which comprises a lens, a substrate and a buckle, a foot column is arranged on the lens, the foot column penetrates through a first connecting hole on the substrate and is fixedly connected with a second connecting hole on the buckle, and the buckle is clamped with the substrate. The stilts are fixed with the buckles clamped on the substrate, so that the fixation of the lens is realized; the foot columns penetrate through the first connecting holes in the base plate, so that the push-and-pull resistance of the lens is improved. Therefore, according to the lens fixing device provided by the utility model, the lens is fixed without glue during installation, the tension test requirement is met, the lens is convenient to install, disassemble and maintain, the lens can be recycled, and material waste is avoided. 本实用新型适用于LED背光器件领域，提供了一种透镜固定装置，其中，该透镜固定装置包括透镜、基板和卡扣，透镜上设有脚柱，脚柱穿过基板上的第一连接孔与卡扣上