Base and meter cover locking structure based on ANSI standard round meter

The utility model discloses a base and meter cover locking structure based on an ANS I standard round meter, which comprises a base and a plurality of connecting sheets arranged on the base, a plurality of through grooves are symmetrically arranged on the base, a meter cover is arranged on the base, a plurality of locking blocks are arranged on the meter cover at equal intervals, and the connecting sheets are arranged on the base. The locking blocks are connected with the outer wall of the base in a clamped mode through locking bosses, limiting columns are arranged on the sides, close to the through grooves, of the locking blocks, the outer walls of the limiting columns are slidably installed in the base through installation grooves, and the lower ends of the limiting columns are connected with the inner bottom faces of the installation grooves through compression springs. The meter cover can be conveniently installed on the base, the limiting columns are arranged to limit the locking blocks, the locking boss