Respirator pipe sleeve structure

The utility model relates to the technical field of breathing machines, and discloses a breathing machine pipe sleeve structure which comprises a sleeve, an auxiliary plate is fixedly connected to the outer portion of the sleeve, an air pipe is arranged on one side of the auxiliary plate, a mounting mechanism is arranged on one side of the auxiliary plate and comprises a sealing gasket, and the sealing gasket is fixedly connected to the outer portion of the sleeve. One end of the air pipe is fixedly connected with a connector pipe. Through the design of the mounting mechanism, after the joint pipe is inserted, the joint pipe can rotate to promote the insertion plate to rotate and enter the positioning frame, and the clamping strip extends out of the positioning frame to limit the insertion plate, so that the stability after the joint pipe and the sleeve are mounted can be improved, and the joint pipe and the sleeve are prevented from being pulled away; when the casing pipe and the connector pipe are installed