Sealing device of horizontal helical vane type water meter

• Main Author: LIU LONGZI
• Format: Patent
• Language: Chinese; English
• Published: 17.12.2014
• Subjects: MEASURING; MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL; METERING BY VOLUME; PHYSICS; TESTING

The utility model discloses a sealing device of a horizontal helical vane type water meter. The sealing device is characterized in that a front rectifier (3) and a rear rectifier (4) are respectively arranged at two sides of a mounting seat (2); an impeller (7) is mounted into a cavity body formed between the front rectifier (3) and the rear rectifier (4); the mounting seat (2) is composed of a vertically-arranged annular seat body (2.2) and a transversely-arranged upper seat board (2.1); a U-shaped sealing cushion (5) circumferentially covers the peripheral wall of the seat body (2.2); a raised line (2.2.1) is circumferentially arranged on the peripheral wall of the seat body (2.2); a sealing groove (5.1) which is embedded to the peripheral wall of the seat body (2.2) is arranged in the inner surface of the sealing cushion (5); a mounting groove (6.1), which is matched with the sealing cushion (5) by the shape and used for containing the sealing cushion (5), is arranged in a housing (6). According to the sea