Self-closing operation window and fuming cupboard with same

• Main Authors: WANG DEQUAN, ZHANG LIPING, WANG ZHAOCUN, SHEN BINBIN, WANG CHENGLIN, FANG JINLIN, WANG HANGMIN
• Format: Patent
• Language: Chinese; English
• Published: 09.08.2024
• Subjects: CLEANING; CLEANING IN GENERAL; PERFORMING OPERATIONS; PREVENTION OF FOULING IN GENERAL; TRANSPORTING

The utility model relates to the field of sealing equipment for fuming cupboards, and discloses a self-closing operation window which comprises an operation opening formed in a lower sliding door and a closing door installed on the lower sliding door and used for closing the operation opening. The sealing door is hinged to the lower sliding door through a springback hinge, the sealing door is opened when being turned over towards the outer side of the lower sliding door, and the springback hinge enables the sealing door to generate force for turning over towards the operation opening; when experiment operation is completed, an operator draws out the hand from the operation opening, the hinge is rebounded immediately to drive the sealing door to turn over towards the operation opening so as to seal the operation opening, compared with the prior art, the needed time is short, a large amount of gas cannot be leaked out from the operation opening, and the external environment and the body health of the operator a