Convenient-to-maintain pressure gauge based on spring buckle and dismounting method of convenient-to-maintain pressure gauge

The invention relates to the technical field of pressure gauges, in particular to a pressure gauge convenient to maintain based on a spring buckle and a dismounting method thereof.The pressure gauge comprises a pressure gauge shell, the pressure gauge shell comprises a lower base, an upper gauge cover is installed on the lower base in a clamped mode, the upper gauge cover comprises an upper gauge shell, and a protective cover used for auxiliary sealing is installed on the side wall of the upper gauge shell in a rotating mode; locking blocks matched with the lower base in a clamped mode are fixedly installed on the lower surface of the upper meter shell, the locking blocks are used for installing the upper meter shell on the lower base in a clamped mode, the arranged protective cover can assist in disassembling the upper meter cover, the upper meter shell is installed in the clamping grooves through the clamping blocks in a clamped mode, and the multiple clamping blocks can be pushed out of the clamping groove