Metering box with bottom plate and shell convenient to replace

The utility model discloses a metering box with a bottom plate and a convenient-to-replace shell, which belongs to the technical field of metering boxes and comprises a box body and a box door, the box door is connected with the box body through a hinge assembly, a first clamping plate and a second clamping plate which are detachable are arranged at the bottom of the box body, the bottom plate is arranged in the box body, and a plurality of mounting plates are arranged on the bottom plate. According to the utility model, through arranging the pin shaft structure, the box door can be rapidly disassembled and replaced, components of the metering box are installed on the installation plate and the bottom plate, the installation plate can be disassembled, or the bottom plate and the box body can be disassembled, so that the bottom plate together with the installation rack and the electrical components on the installation rack can be taken out as a whole; when the shell is replaced, dismounting and mounting of ele