Detachable photoelectric switch

The utility model relates to the technical field of photoelectric switches, and discloses a detachable photoelectric switch, which comprises a shell, a detection circuit is fixedly connected in the shell, one side of the detection circuit is electrically connected with an emitter body, the other side of the detection circuit is electrically connected with a receiver body, and the receiver body is electrically connected with the shell. A light shield is fixedly connected to the inner side wall of the shell, light rings are fixedly connected to the top and the bottom of one side of the shell, a buckle is fixedly connected to the surface of the shell, and a protection plate assembly is connected to one side of the buckle in a clamped mode. According to the detachable photoelectric switch, the protective plate assembly, the cover plate and the plug are arranged, a protective cover is pressed, so that a clamping block is clamped with a buckle, a screw is screwed, the cover plate is connected with the shell, the pl