Quick-release telescopic folding type sealing device used between cab and passenger compartment

The utility model relates to the technical field of automobiles, and particularly discloses a quick-release telescopic folding type sealing device used between a cab and a passenger compartment. The telescopic channel piece is used for communicating the passenger compartment side outer frame with the cab side outer frame, the passenger compartment side outer frame is fixed to the front side of a passenger compartment, and the telescopic channel piece can be folded and stretch out and draw back; the cab side outer frame and the front side of the passenger compartment are detachably installed through the first locking piece, and when the telescopic channel piece needs to be folded, the cab side outer frame is fixed to the front side of the passenger compartment; a cab side sealing window is fixed to the rear side of the cab, the cab side sealing window and the cab side outer frame are detachably installed through a second locking piece, and when the cab needs to be used, the cab side outer frame is fixed to the