Atomizing nozzle and spraying device

• Main Authors: ZHU XIAOJIAN, CHEN FENG
• Format: Patent
• Language: Chinese; English
• Published: 07.11.2023
• 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 relates to the technical field of medical consumables, and discloses an atomizing nozzle and a spraying device, the atomizing nozzle comprises a spraying cylinder, a drainage piece and an elastic valve; the elastic valve and the spraying cylinder are assembled in a sealing mode, a blocking face is arranged on the elastic valve, a puncture seam is formed in the elastic valve, and the elastic valve has a normal sealing state and a circulation state that the puncture seam is opened when the injector conducts pressurized injection; the drainage piece comprises an end and a central column, and a liquid channel is arranged between the drainage piece and the spraying barrel. The drainage piece has a drainage effect on the liquid medicament, and meanwhile, the dead space in the spraying barrel is also reduced, so that medicament waste is reduced; in a normal state, the elastic valve is in a sealed state, the injector can be sealed, and the sealing performance of liquid is ensured; meanwhile, the liq