Distribution box

The utility model discloses a distribution box which comprises a box body, the back of the box body is fixedly connected with an outer plate, the back of the outer plate is fixedly connected with a single-lug fixing seat and a linear guide rail from inside to outside in sequence, the outer surface of the linear guide rail is fixedly connected with a sliding plate, and the front of the sliding plate is fixedly connected with a nut moving block. The inner wall of the single-lug fixing seat is fixedly connected with a screw rod through a bearing, when the height of the distribution box needs to be adjusted, the closed-loop stepping motor is started to rotate, the screw rod rotates through transmission of the right-angle converter, the nut moving block is fixed to the sliding plate, and the screw rod is fixed to the inner wall of the single-lug fixing seat through the bearing to rotate. The screw rod rotates in the nut moving block so that the screw rod can ascend or descend, the box body, the outer plate, the si