Fire resistant smoke control duct

Abstract

The utility model belongs to the technical field of smoke exhaust air pipe, a fire -resistant smoke exhaust air pipe, including the air pipe body, the one end fixed of air pipe body has the clamping seat, the other end fixed of air pipe body has the tab that can insert inside clamping seat, the one end side surface of air pipe body is pasted and has the rubber washer, be provided with the pressure and draw component on the clamping seat. The utility model discloses a tab on one end of the air pipe body is inserted into the clamping seat inside the other end of another air pipe body, thereby two air pipe bodies are assembled and positioned, then the tab of clamping into the clamping seat is firmly clamped through the pressure and draw component, thereby the quick assembly of two air pipe bodies is completed, the operation of installing multiple screws is saved, the assembly efficiency of air pipe body is effectively improved, and two air pipe bodies are tightened through the pressure and draw component arranged simultaneously, thereby making the rubber washer of the butt joint end of two air pipe bodies produce elastic expansion, and the sealing property of two air pipe body splicing is effectively improved.

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