Biosafety cabinet capable of adjusting air volume

• Main Authors: MEN QINGHE, LIU FEIFEI, CHEN JINHENG, LIANG YAN, YUAN XIAOCHUN, GAO YONG
• Format: Patent
• Language: Chinese; English
• Published: 16.06.2023
• Subjects: CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE; CLEANING; CLEANING IN GENERAL; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; PREVENTION OF FOULING IN GENERAL; TRANSPORTING

The utility model belongs to the technical field of electric appliances, and particularly relates to an air volume adjustable biological safety cabinet which comprises an air bellow and a fan, and further comprises a first adjusting plate, a second adjusting plate and an elastic adjusting part which are mounted in the air bellow, and the air bellow is provided with a first air inlet connected with an air outlet of the fan. The first adjusting plate is rotationally connected with the second adjusting plate, so that an adjusting cavity is formed between the first adjusting plate and the second adjusting plate, and a second gas inlet right opposite to the first gas inlet is formed in the adjusting cavity; an air inlet gap for air to enter the air bellow is formed among the side wall of the first air inlet, the first adjusting plate and the second adjusting plate; the elastic adjusting piece is connected with the first adjusting plate and the second adjusting plate; according to the biological safety cabinet capa