Metering box convenient to maintain

The utility model relates to the field of metering boxes, in particular to a convenient-to-maintain metering box which comprises a partition plate, the two sides of the partition plate are fixedly connected with the wall face forming a first containing cavity, and the first containing cavity is divided into a first containing cavity and a second containing cavity; the first placing cavity and the second placing cavity are both communicated with the first opening; the door plate assembly is rotationally connected with the side, provided with the first opening, of the box body, the door plate assembly comprises a first rotating plate and a second rotating plate, the first rotating plate is rotationally connected to the side, provided with the first opening, of the box body, and the first rotating plate is used for sealing the first containing cavity; the side, close to the second containing cavity, of the first rotating plate is provided with a notch, the second rotating plate is arranged on the notch, and the