A high-sealing smoke exhaust duct
By using a sealing airbag and piston plate system at the connection of the exhaust duct, the problem of smoke leakage caused by the wear of the sealing ring is solved, achieving a highly efficient sealing effect and a convenient operation process.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- XIONGAN ZHONGKE ANZHU NEW MATERIAL TECHNOLOGY CO LTD
- Filing Date
- 2025-08-20
- Publication Date
- 2026-06-30
AI Technical Summary
The sealing rings at the existing smoke exhaust pipe connections are prone to wear and tear after prolonged use, leading to smoke leakage and causing inconvenience.
The system employs a sealed airbag structure, inflating the airbag through a piston plate and inflation hose system to enhance the sealing effect at the connection point. The sealing position is fixed by a snap-fit and slot structure.
It improves the sealing efficiency of the smoke exhaust pipe connection, has a simple and easy-to-operate structure, is easy to disassemble and install, enhances the sealing effect, and prevents smoke leakage.
Smart Images

Figure CN224433800U_ABST