An automatic fire alarm device

By using a limiting and tightening mechanism to stably install the smoke detector, and combining it with a water spray and smoke exhaust mechanism, the problem of easy damage to the smoke detector is solved, improving the escape efficiency and personnel safety during a fire.

CN224553860UActive Publication Date: 2026-07-24SHANDONG ZHONGTUO FIRE ENGINEERING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANDONG ZHONGTUO FIRE ENGINEERING CO LTD
Filing Date
2025-06-24
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

Existing smoke detectors become less sensitive after a period of use, are difficult to replace, affect the effectiveness of fire alarms, and may cause the best time for rescue to be missed.

Method used

The smoke detector is stably installed by using a limiting mechanism and a tightening mechanism, and water spraying and smoke extraction are carried out through the linkage of the water spray assembly and the smoke extraction mechanism.

Benefits of technology

This improves the installation stability and response efficiency of smoke detectors during fires, ensuring safe evacuation and reducing the harm caused by smoke.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224553860U_ABST
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Abstract

The utility model relates to the technical field of automatic fire alarm, especially a kind of automatic fire alarm device, it is cooperated by limiting mechanism and jacking mechanism to realize the installation and removal of smoke alarm, it is cooperated by water spraying assembly and smoke exhaust mechanism to realize water spraying and smoke exhaust, so that personnel can be safer, improve the efficiency of personnel escape;Mounting box is fixedly installed on the outer wall, smoke alarm is placed in mounting box, smoke alarm is limited by limiting mechanism, limiting mechanism includes two baffle, a plurality of air holes are formed in the two baffle, the arc plate is fixedly installed on the two baffle, two first dampers are fixedly installed on the two arc plates, the other end of each first damper is respectively fixedly connected with corresponding baffle, and first spring is sleeved on each first damper.
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