Straight pipe type exhaust fan convenient to assemble and replace

• Main Author: JIA XIONGFENG
• Format: Patent
• Language: Chinese; English
• Published: 12.06.2020
• Subjects: BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; NON-POSITIVE DISPLACEMENT PUMPS; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; WEAPONS

The utility model belongs to the technical field of ventilation equipment, and particularly relates to a straight pipe type exhaust fan convenient to assemble and replace. An exhaust fan clamping groove is formed in the upper half portion of the middle of the straight pipe type air duct pipe. The right side of the exhaust fan clamping groove is connected with an arc-shaped supporting plate througha fixing pin shaft, the inner side of the arc-shaped supporting plate is connected with a set of draught fan brackets through a fixing frame, an exhaust fan driving draught fan is arranged at the upper ends of the draught fan brackets, and the upper end of the exhaust fan driving draught fan is fixed in the draught fan brackets through cooperation of a fastening cover frame and fastening bolts; the right end of the arc-shaped supporting plate is connected with a pair of first locking clamping grooves, the first locking clamping grooves are connected with second locking clamping grooves in theleft side of an exhaust f