A fire safety ventilation device

The detachable filter frame structure solves the problems of poor filtration performance and inconvenient cleaning in existing fire ventilation systems, achieving effective smoke filtration and convenient cleaning and maintenance.

CN224327306UActive Publication Date: 2026-06-05SHANXI ALUMINIUM FACTORY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANXI ALUMINIUM FACTORY
Filing Date
2025-04-30
Publication Date
2026-06-05

AI Technical Summary

Technical Problem

The existing fire ventilation system has poor filtration performance at the air inlet, which easily leads to impurities and dust in the smoke entering the equipment, and it is also inconvenient to disassemble and clean.

Method used

The filter frame adopts a detachable structure, including positioning blocks, positioning slots, limiting slots, and locking mechanisms. Combined with the protective mesh frame and the filter mesh frame, the filter frame can be stably installed and easily disassembled through plug-in and threaded locking, which enhances the filtration effect and cleaning convenience.

Benefits of technology

It effectively filters large-volume impurities and dust, reduces internal accumulation of particles, improves ease of cleaning, and reduces the difficulty of equipment maintenance.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224327306U_ABST
Patent Text Reader

Abstract

The utility model discloses a fire safety ventilation device, including the wind tube frame, the bottom fixedly connected with support seat of wind tube frame, and one end fixedly connected with the fixed frame of wind tube frame, the fan is fixedly connected in the wind tube frame, the output fixedly connected with the fan blade of fan, the one end of fixed frame is provided with the positioning recess, the filter frame is nested with in the positioning recess, the fixed connection with positioning block is provided on the filter frame, the positioning recess inner wall is provided with the positioning slot, one side of positioning slot inner wall is provided with the limit slot. In the utility model, through the setting of positioning block, positioning slot, limit slot, locking mechanism, can make the filter frame structure steady installation on the fixed frame, carry out steady protection filter work, also can be convenient to dismantle, the cleaning of filter structure and the overhaul maintenance of fan structure are convenient, and the whole filter structure can be dismantled flexibly, and the structural use flexibility and convenience are greatly improved.
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