A domestic fire monitoring alarm device
By introducing a snap-fit structure and positioning groove design into the smoke detector, the problem of inconvenient assembly and disassembly of the maze box in the existing technology has been solved, realizing rapid assembly and disassembly of the maze box and improving cleaning efficiency.
CN224417353UActive Publication Date: 2026-06-26张燕彬
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 张燕彬
- Filing Date
- 2025-08-15
- Publication Date
- 2026-06-26
AI Technical Summary
Technical Problem
Existing smoke detectors require complete disassembly for cleaning, which is cumbersome, time-consuming, and labor-intensive, especially the maze box, which is difficult to disassemble and assemble.
Method used
The labyrinth box is connected to the smoke inlet via a snap-fit structure and positioning groove design. The elastic clips and positioning grooves enable quick assembly and disassembly of the labyrinth box, avoiding damage to the insect and dust prevention net and improving the efficiency of smoke entry.
Benefits of technology
It enables quick assembly and disassembly of the maze box, reducing assembly and disassembly steps, saving time and effort, preventing damage to the insect and dust prevention nets, and improving cleaning efficiency.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN224417353U_ABST
Abstract
This application provides a home fire monitoring and alarm device, including a base, a lower shell connected to the base, a circuit board on the lower shell, a photoelectric sensor on the circuit board, a labyrinth box covering the photoelectric sensor, and an upper shell connected to the lower shell, covering the circuit board, photoelectric sensor, and labyrinth box. The upper shell includes an upwardly protruding tubular smoke inlet, into which the labyrinth box can be inserted and connected via a snap-fit structure. The snap-fit structure includes a slot on the labyrinth box and an elastic retaining strip on the side wall of the smoke inlet. A columnar connecting part is provided at the upper end of the labyrinth box, coaxial with the smoke inlet, and the slot is located on the columnar surface of the connecting part. One end of the elastic retaining strip is connected to the outer side of the side wall of the smoke inlet, and the other end has a snap-fit part. A radially extending through hole is provided on the side wall of the smoke inlet corresponding to the snap-fit part, and the snap-fit part passes through the through hole and engages with the slot. This device allows for quick and easy assembly and disassembly of the labyrinth box, making operation simple and convenient.
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