Flow rate meter for inner sealing type polypropylene infusion production line

• Main Authors: YAN JIANGPING, XU XIAOYING, WU HUAJUN
• Format: Patent
• Language: English
• Published: 24.06.2015
• Subjects: MEASURING; MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL; METERING BY VOLUME; PHYSICS; TESTING

The utility model discloses a flow rate meter for an inner sealing type polypropylene infusion production line. The flow rate meter comprises a casing, an impeller and a sealing cover, wherein a shaft hole is respectively formed in the casing and the sealing cover, a metal shaft sleeve is respectively arranged in the two shaft holes, the two ends of a rotating shaft are respectively inserted and arranged in the metal shaft sleeves, a sealing groove is formed in one end, facing the impeller, of the metal shaft sleeve, a sealing ring is arranged in the sealing groove, the outer diameter of the sealing ring is matched with the inner diameter of the sealing groove, and the inner diameter of the sealing ring is matched with the outer diameter of the two ends of the rotating shafts. Through the additional arrangement of the metal shaft sleeves in the shaft holes, metal and metal friction is realized between the rotating shaft and the metal shaft sleeves, and the abrasion resistance degree of the metal is higher, so the shaft sleeve abrasion phenomenon cannot easily occur, the service life is prolonged, the cost is reduced, and the production efficiency is improved. Meanwhile, through the simultaneous effect of the sealing groove and the sealing ring, waste slag generated by abrasion between the rotating shaft and the metal shaft sleeves cannot enter the medicine liquid, so that the product quality cannot be influenced by the waste slag, and the product quality is improved. The flow rate meter is applicable to the medicine liquid production.