Axial-flow type fire-fighting smoke exhaust fan

By installing a convenient disassembly and assembly mechanism on the axial flow fire exhaust fan, the problem of complex disassembly and assembly of traditional fans is solved, achieving simplified operation and stable connection, and facilitating maintenance and repair.

CN224496914UActive Publication Date: 2026-07-14SHAOXING SHANGYU SHANGFENG VENTILATION EQUIPMENT CO LTD
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Patent Information

Application Number
CN202522026968.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-22
Publication Date
2026-07-14
Estimated Expiration
2035-09-22

AI Technical Summary

Technical Problem

Traditional axial flow fire exhaust fans lack convenient locking and quick adjustment structures during disassembly and assembly, resulting in numerous operation steps, long processing time, and poor ease of disassembly and assembly.

Method used

A convenient assembly and disassembly mechanism is designed, including an integrated part, a rotating frame, a rotating shaft, a locking strip, a locking rod, a rotating sleeve, a locking frame, a sliding rod, a hook block, a spring telescopic rod, a plug tube, a fixing screw, and a pin that cooperates with the base. This simplifies the assembly and disassembly operation between the mounting base and the base, and ensures a stable connection through the locking of multiple parts.

Benefits of technology

It effectively simplifies the disassembly and assembly process of axial flow fire exhaust fans, improves disassembly and assembly efficiency, and ensures the stability of the connection through the locking structure, which facilitates subsequent maintenance and repair.

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Abstract

The utility model relates to the technical field of exhaust fans, and discloses an axial flow type fire-fighting smoke exhaust fan, which comprises a box body, an air outlet flange plate, an opening and closing fan, an air inlet flange plate, a mounting seat, a base and a fan body, four corners of the upper end surface of the mounting seat are connected with a convenient disassembly and assembly mechanism through threaded rods, and the convenient disassembly and assembly mechanism comprises a plurality of integration parts. A rotating frame is fixedly connected to the middle of the end face of one side of the integration part. According to the device, a convenient disassembly and assembly mechanism composed of the integration part, the rotating stand, the rotating shaft, the clamping strip, the locking rod, the rotating sleeve, the clamping frame, the sliding rod, the hook block, the spring telescopic rod, the inserting pipe, the fixing screw rod and the plug pin matched with the base is arranged on the mounting base, so that the disassembly and assembly operation between the mounting base and the base can be effectively simplified, and the disassembly and assembly efficiency is improved; and meanwhile, stable connection is ensured by means of the clamping and locking effects of multiple components, and subsequent maintenance and overhaul of the fan body are facilitated.
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