Split-type water meter

The invention relates to the field of water meters, in particular to a split-type water meter. The split-type water meter comprises a base meter, a steel cover, a split meter shell, a fixing device, ameter-shell overturning cover, a connecting assembly, a PCB and a waterproof battery pack. The split meter shell comprises an upper shell and a lower shell, the PCB is installed in a circuit cabin, the waterproof battery pack is installed in a battery cabin, the waterproof battery pack is electrically connected with the PCB, and the PCB is an integrated PCB; the fixing device comprises bolt assemblies and a gear ring assembly, the bolt assemblies comprise bolts and screw blocks, stepped holes are formed in the lower shell, the bolts are in threaded connection with the screw blocks, the upperend faces of the screw blocks abut against the lower end face of the steel cover, and the gear ring assembly comprises an inner gear ring and an outer gear ring. According to the split-type water meter, a special design of the