Automatic fire alarm convenient to disassemble and replace

• Main Authors: WANG WEI, GUO XUEYANG, DENG YAXUAN, YANG JIAN, ZHANG LI
• Format: Patent
• Language: Chinese; English
• Published: 21.03.2023
• Subjects: ALARM SYSTEMS; BLASTING; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; ENGINEERING ELEMENTS AND UNITS; FRAMES, CASINGS, OR BEDS OF ENGINES OR OTHER MACHINES ORAPPARATUS NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUSPROVIDED FOR ELSEWHERE; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS; MECHANICAL ENGINEERING; ORDER TELEGRAPHS; PHYSICS; PRINTED CIRCUITS; SIGNALLING; SIGNALLING OR CALLING SYSTEMS; STANDS OR SUPPORTS; THERMAL INSULATION IN GENERAL; WEAPONS

The utility model discloses an automatic fire alarm convenient to disassemble and replace, which comprises a circular protective cover, an annular sealing strip, a support connecting frame and an annular protective box, a fastening circular disc is fixedly arranged in the annular protective box, the top end of the fastening circular disc is connected with an air suction sleeve, an air suction piston rod is arranged in the air suction sleeve, and the air suction piston rod is connected with the air suction sleeve. A stretching rod is rotationally installed on the surface of one side of the air exhaust piston rod, a rotating rod is fixedly installed at the end, penetrating through the circular screw cover, of the stretching rod, a supporting connecting frame is fixedly installed at the top end of the outer surface of the annular protection box, an annular sealing strip is fixedly installed at the top end of the supporting connecting frame, and an alarm body is placed in the annular sealing strip. The alarm of t