Induced draft fan with improved air suction pipe

The utility model discloses an improved induced draft fan of an air suction pipe, which comprises a machine body air suction pipe, a hard pipe, a hard joint, a soft pipe hard head part, a soft pipe body, a soft pipe hard tail part and an induced draft fan machine body, one end of the induced draft fan machine body is fixedly connected with the machine body air suction pipe, and the hard pipe is clamped at one end of the machine body air suction pipe. One end of the hard pipe is in threaded connection with a hard connector, one end of the hard connector is connected with a soft pipe hard head in a clamped mode, the soft pipe hard head is fixedly connected with a soft pipe body, and the soft pipe body is fixedly connected with a soft pipe hard tail. The thread structure at the hard tail of the hose enables the length of the air suction pipe to be easy to adjust, and the air suction position is convenient to adjust due to the arrangement of the hose. 本实用新型公开了一种改进吸风管的引风机，包括机体吸风管、硬质管、硬质接头、软管硬质头部、软管体、软管硬质尾部和引风机机体，所