Anti -theft cat eye

The utility model discloses an anti -theft cat eye, including taking over and the microscope base, the upper end of microscope base is fixed and is provided with preceding cage, is provided with the lens lid on the preceding cage, and the inboard of lens lid is inlayed in proper order and is equipped with concave mirror and objective, the embedded eyepiece that is equipped with of microscope base, and characteristics are that the lens is covered relatively one side of eyepiece be provided with at least one lockpin, the advantage is when installing this cat eye, only need on the door plant upper punch of aiming at the lockpin with several lockholes of lockpin looks adaptation can, make the stable cooperation of lens lid on the door, lockhole cooperation on the structure AND gate of several lockpins prevents promptly that the cat eye from being unscrewed and exposes door viewer hole, the structure is very simple, the assembly is stable convenient, fundamentally has solved exposing of door viewer hole, the secur