The invention discloses a novel vacuum switch tube convenient to connect, and the novel vacuum switch tube convenient to connect comprises an equipment main body, a conductive rod, a movable contact,a fixed contact, a guide sleeve, a cover plate, a screw rod, a threaded sleeve, a first groove, a third spring, a first gear, a second gear and a second rotating rod, and the upper end of the equipment main body is provided with an exhaust pipe. The screw rod, a movable block and an adjusting rod are arranged in the novel vacuum switch tube convenient to connect; the adjusting handle is manually rotated, the screw rod fixedly connected with the adjusting handle is driven to rotate; the screw rod is in threaded connection with the threaded sleeve; the threaded sleeve moves in the horizontal direction and can drive the movable block to move, the movable block is clamped with the first groove, the adjusting rod is pulled, the adjusting rod is pulled to enable the third spring to be stretchedand deformed, the adjusting rod is loosened, the adjusting rod can be clamped in the second groove under the reset effect of the third spring, and the vacuum switch tube can be rapidly connected and fixed conveniently.