Novel alarm with protective structure and fixing mechanism thereof

The utility model discloses a novel alarm with a protection structure and a fixing mechanism thereof. The alarm comprises a mounting seat, a clamping groove, a mounting bolt, a clamping block, the fixing mechanism, an alarm main body and the protection mechanism. Wherein the surface of the mounting base is in threaded connection with a mounting bolt, a clamping groove is formed in the top side of the middle of the mounting base, a clamping block is connected into the clamping groove in a clamped mode, a fixing mechanism is fixedly connected to the top side of the clamping block, an alarm body is mounted on the top side of the fixing mechanism, and a protection mechanism is mounted on the surface of the alarm body. The fixing mechanism comprises a fixing plate, a fixing ring, a threaded column and a fastening nut, and the protection mechanism comprises a threaded ring, a protection shell, a through hole and a protection glass cover. The novel alarm with the protection structure is novel in design, simple in st