Vehicle-mounted direct current distribution box

The utility model relates to the field of power distribution boxes, and discloses a vehicle-mounted direct current power distribution box which comprises a box body and two fixing frames, a plurality of connectors are fixedly installed at one end of the box body, a plurality of control buttons are fixedly connected to the top of the box body, and a connecting rod is fixedly installed between the two fixing frames. The surface of the connecting rod is rotationally connected with a first limiting frame and a plurality of second limiting frames, one end of each second limiting frame is fixedly connected with a pressing plate, and first springs are fixedly installed between the first limiting frame and the connecting rod and between the second limiting frames and the connecting rod; the fixing frames are installed at one end of the box body, the first limiting frame and the second limiting frame are installed between the two fixing frames through the connecting rods, and the first springs are installed between th