Breathing machine preventing liquid from flowing back

• Main Author: SHEN ZENGGUI
• Format: Patent
• Language: Chinese; English
• Published: 04.09.2013
• Subjects: DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY; HUMAN NECESSITIES; HYGIENE; MEDICAL OR VETERINARY SCIENCE

The utility model discloses a breathing machine preventing liquid from flowing back. The breathing machine comprises a gas generation mechanism and a steam generation mechanism, wherein the gas generation mechanism comprises a housing body and a gas generator arranged in the housing body; a gas output port is convexly formed on the front side of the housing body; the steam generation mechanism comprises a housing, a gas input tube and a one-way valve structure; a joint clearance is formed between the inner end of the gas input tube and the inner end of the housing; a first mounting cut groove and a second mounting cut groove are correspondingly formed at the inner end of the gas input tube and the inner end of the housing; the one-way valve structure comprises a one-way valve main body, a front seal tube and a rear seal tube; the front seal tube and the rear seal tube are sealed and fixedly sleeved on an output port and an input port of the one-way valve main body respectively, sequentially sealed, and insert