Fire alarm device for office building
By designing a combination structure of fixing blocks, inserts, and springs on the fire alarm device, convenient installation and disassembly are achieved. Furthermore, the design of the external threaded rod and protective plate enhances the device's protective properties, solving the problems of inconvenient installation and poor protection of traditional devices.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- BEIJING DOT MATRIX INTELLIGENT CONSTRUCTION ENGINEERING CO LTD
- Filing Date
- 2025-05-21
- Publication Date
- 2026-06-19
AI Technical Summary
Traditional fire alarm devices for office buildings are inconvenient to install and replace, and have poor protection, making them susceptible to collision damage.
A fire alarm device was designed, which uses a mounting plate with a fixing block and a plug, and the spring and plug cooperate to achieve convenient installation and disassembly; at the same time, an external threaded rod and a protective plate are welded to the mounting plate to provide symmetrical protection and prevent the device from being hit.
It enables convenient installation and disassembly of the device, improves protection, and prevents damage to the device during use.
Smart Images

Figure CN224383754U_ABST