Small-sized distribution box capable of being rapidly combined

The utility model discloses a small-sized distribution box capable of being rapidly combined, which comprises a main body, an equipment area is arranged in the main body, an adjusting area is arranged on the side surface of the main body, an adjusting plate is movably arranged in the adjusting area, an extension plate is fixedly arranged on the side surface of one end of the adjusting plate, and a tooth opening is formed in the side surface of the extension plate. The side face of the tooth opening is connected with a driven gear in an engaged mode. According to the small distribution box capable of being rapidly combined, a driven gear can be driven to rotate, the side face of the driven gear is in meshed connection with a tooth opening, and the driven gear is fixed to the inner side of the main body through a limiting rod, so that an electric extension plate and an adjusting plate can move upwards; the connecting rod is pushed into the fixing hole, the driving gear can be separated from the driven gear, and