High and low speed switching control device of circulating fan

• Main Authors: CHEN PING, XIE JINHUI, JU ZHONGWEI, LI YUANTING, CHEN XIAO
• Format: Patent
• Language: Chinese; English
• Published: 28.06.2022
• Subjects: BLASTING; ENGINEERING ELEMENTS AND UNITS; FRAMES, CASINGS, OR BEDS OF ENGINES OR OTHER MACHINES ORAPPARATUS NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUSPROVIDED FOR ELSEWHERE; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; STANDS OR SUPPORTS; THERMAL INSULATION IN GENERAL; WEAPONS

The utility model relates to a circulating fan high and low speed switching control device which comprises a control structure, a clamping structure and a fixing structure, and an inserting plate is arranged on the rear side of the control structure and used for being arranged on the fixing structure in an inserting mode. The clamping structure comprises a driving rod, a connecting piece, a hinging plate, a clamping strip and a guide rail; one end of the connecting piece is rotationally assembled at the lower end of the driving rod, the other end of the connecting piece is hinged to one end of the hinge plate, the other end of the hinge plate is hinged to the clamping strip, the clamping strip is slidably clamped on the guide rail, and the rear end of the guide rail is fixed to the inserting plate. The fixing structure comprises a fixing plate and a clamping plate, the fixing plate is used for being fixed to the supporting plate, one end of the clamping plate is connected to the fixing plate, a through groove