Frame for easily-installed assembled variable air volume ventilation system
By introducing snap-fit and positioning components into the prefabricated ventilation system frame, and using magnetic sheets and springs for connection, the problem of inconvenient frame installation is solved, enabling a fast and stable installation process and protecting the ventilation equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- BEIJING SONGCHENG TECH CO LTD
- Filing Date
- 2025-08-01
- Publication Date
- 2026-07-14
AI Technical Summary
The lack of positioning structure during the installation of existing prefabricated ventilation systems makes installation inconvenient and slow, requiring manual support and screw fixing.
The system employs snap-fit and positioning components, including snap-fit cylinders and positioning rods, utilizing magnetic adsorption and elastic connection with outward push springs to achieve rapid assembly and bolt fixation of the frame.
It improves the convenience and speed of installation, enhances the tightness and stability of the frame, simplifies the installation process, and protects the ventilation fan.
Smart Images

Figure CN224498743U_ABST