Internet of Things water meter with high-precision sampling structure

An Internet of Things water meter with a high-precision sampling structure comprises a shell and a meter body, and a dial and a transparent glass cover plate are arranged above the meter body. First positioning notches which are uniformly distributed are formed in the periphery of the upper part of the dial, a positioning disc is arranged above the dial, a mounting plate is arranged above the positioning disc, and a positioning column is arranged on the mounting plate. The shell is provided with a detection part aligned with the dial, and a sensor is mounted in the detection part; the two sides of the detection part are provided with first positioning holes. The mounting plate, the positioning disc and the dial are sleeved with a fastening sleeve. The fastening sleeve is sleeved with a fastening shell, a second positioning hole is formed in the upper surface of the fastening shell, and the second positioning hole, the first positioning hole and the positioning column are fixedly connected through screws. Acco