Fresh air machine
By replacing screws with a limit pin and limit hole structure, the problem of inconvenient disassembly and assembly of the fresh air unit cover is solved, enabling convenient maintenance and filter replacement, and enhancing the functionality and practicality of the equipment.
CN224151104UActive Publication Date: 2026-04-21ZHEJIANG GREEN GUIDE ENVIRONMENTAL TECHNOLOGY CO LTD
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Patent Information
- Application Number
- CN202520889072.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-07
- Publication Date
- 2026-04-21
- Estimated Expiration
- 2035-05-07
AI Technical Summary
Technical Problem
The cover of the existing fresh air unit is fixed with screws, which makes disassembly and assembly inconvenient and makes it difficult to conveniently inspect internal components and replace filters.
Method used
It adopts a limit pin and limit hole structure, and the cover plate is detachably connected by the limit pin to replace the screw fixation. The housing is equipped with a vertical slot to fix the filter screen, and is equipped with a smoke sensor and a buzzer alarm to realize real-time monitoring and alarm.
Benefits of technology
It enables easy disassembly and assembly of the cover plate, facilitating maintenance and filter replacement, and enhancing the ease of operation and functionality of the equipment, including remote monitoring and real-time alarms.
✦ Generated by Eureka AI based on patent content.
Abstract
The utility model discloses a fresh air machine which comprises a machine shell, a fan cover and a fan cover. The controller is electrically connected with the fresh air fan and the exhaust fan; the filter screens are mounted at the return air inlet and the fresh air inlet of the machine shell; an opening and a limiting pin are arranged on the bottom face of the machine shell, a cover plate covers the opening, a limiting hole is formed in the cover plate, and the limiting hole and the limiting pin are connected in a matched and inserted mode so that the machine shell can be detachably connected with the cover plate in a limiting mode. The filter is novel in structure, convenient to disassemble and assemble the cover plate, convenient to overhaul devices in the shell and replace the filter screen, replaces a screw fixing mode, and is labor-saving and convenient to operate.
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