Axial flow fan with function of reducing and blocking airflow

• Main Author: ZHANG RENQIANG
• Format: Patent
• Language: Chinese; English
• Published: 04.01.2022
• Subjects: BLASTING; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; DYNAMO-ELECTRIC MACHINES; ELECTRICITY; GENERATION; HEATING; LIGHTING; MECHANICAL ENGINEERING; NON-POSITIVE DISPLACEMENT PUMPS; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; WEAPONS

The utility model provides an axial flow fan with a function of reducing and blocking airflow, which comprises a cylindrical fan shell, a fan impeller, a fan motor for driving the fan impeller to rotate and a mounting mechanism for mounting the fan motor, the installation mechanism comprises a supporting assembly fixed to the fan shell and rotationally connected to an output shaft of the fan motor and a plurality of supporting shafts used for supporting the tail end of the fan motor, the supporting assembly is provided with a space allowing airflow to pass through, and the supporting shafts are evenly distributed on the fan motor in the circumferential direction. The supporting shaft comprises a screw rod with one end abutting against the fan motor and a sleeve with one end in threaded connection with the other end of the screw rod, and the other end of the sleeve is fixed to the inner wall of the fan shell. The axial flow fan has the effect of improving the problem that the use effect of the axial flow fan i