Novel negative pressure opening and closing type nipple structure

• Main Authors: CHEN FENGDAN, QIN SHITONG, GAO FENGZHEN
• Format: Patent
• Language: Chinese; English
• Published: 09.12.2022
• Subjects: BABY COMFORTERS; CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICALPURPOSES; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; DEVICES FOR RECEIVING SPITTLE; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGINGPHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL ORADMINISTERING FORMS; HUMAN NECESSITIES; HYGIENE; MEDICAL OR VETERINARY SCIENCE

The utility model discloses a novel negative pressure opening and closing type nipple structure which comprises a nipple cover and a sealing mechanism installed on the nipple cover, the sealing mechanism comprises a rotating ring and a fixed ring, the rotating ring is rotatably arranged on the fixed ring, at least one air hole communicated with the nipple cover is formed in the fixed ring, and the air hole is communicated with the nipple cover. And a sealing piece matched with the air hole is arranged on the rotating ring. The sealing mechanism is installed on the nipple cover, the sealing mechanism comprises the rotating ring and the fixed ring, the rotating ring is controlled to rotate on the fixed ring, the sealing piece is adjusted to be aligned with or staggered from the air hole, and the air tightness of an inner machine in the nipple cover is changed; in the using process of the nipple cover, a negative pressure space is formed in the nipple cover, after the sealing piece and the air hole are staggered