A quick-installation structure for fire-resistant partition air ducts
By combining flange clamps with adjustment and compression components, the problem of unstable sealing effect during the installation of fire-resistant partition ducts in fire compartments is solved, achieving rapid installation and long-term sealing, ensuring that the sealing ring always fits tightly against the firewall, and extending service life.
CN224433662UActive Publication Date: 2026-06-30DEZHOU FULDA AIR CONDITIONING EQUIP CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- DEZHOU FULDA AIR CONDITIONING EQUIP CO LTD
- Filing Date
- 2025-09-02
- Publication Date
- 2026-06-30
Smart Images
Figure CN224433662U_ABST
Abstract
This utility model discloses a quick-installation structure for fire-resistant partition ductwork, including a flange clamp fitted onto the duct; and an adjustment assembly comprising an opening, a receiving groove, a threaded pipe, a first adjusting rod, a first pressure plate, and a sealing ring. The opening is located on the side of the flange clamp, the receiving groove is fixed to the flange clamp and located at the opening, the threaded pipe passes through and is fixed to the middle of the receiving groove on the side furthest from the opening, the first adjusting rod is screwed into the threaded pipe, the first pressure plate is rotatably connected to one end of the first adjusting rod and located within the receiving groove, and one end of the sealing ring is inserted into the receiving groove, while the other end is attached to the fire wall. This utility model, through its adjustment assembly, ensures that the sealing ring is always under control. Even if the sealing ring deforms due to material aging, the sealing pressure can still be restored through manual adjustment, extending its service life.
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