Water meter upper cover fixing mechanism

• Main Authors: WU GUOYU, WANG YANXIN, LU YANYONG, WEI LONGJIAN, CHEN GUOSHAN
• Format: Patent
• Language: Chinese; English
• Published: 25.01.2022
• Subjects: MEASURING; MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL; METERING BY VOLUME; PHYSICS; TESTING

The utility model discloses a water meter upper cover fixing mechanism which comprises an upper annular plate, a lower annular seat connected with the bottom of the upper annular plate and a lower annular plate, a plurality of sets of limiting grooves are formed in the inner ring of the upper annular plate, the lower end of the upper annular plate is connected with a connecting cylinder, and the side edge of the connecting cylinder is connected with a left set of connecting pins and a right set of connecting pins. A step opening groove is formed in the inner side wall of the lower annular seat, and the connecting pin is inserted into and clamped on a step corresponding to the step opening groove; protruding columns arranged on the side edge of the transparent protective cover are clamped in the corresponding limiting grooves, and the upper annular plate and the lower annular plate are fixedly connected through a plurality of sets of long bolts. According to the water meter upper cover fixing mechanism, after