Data transmission line adapter

The utility model discloses a data transmission line adapter, which comprises an adapter, a rotary storage mechanism is arranged on the bottom surface of the adapter, and a connecting and fixing mechanism is arranged above the rotary storage mechanism; the rotary storage mechanism comprises a connecting block, a sliding rail, a shell, a data line interface, a rotating shaft, a movable block and adata line adapter. A movable block is arranged on the top face of the rotary storage mechanism, a shell is arranged on the bottom face of the movable block, sliding rails are arranged on the inner surfaces of the two ends of the shell, a rotating shaft is arranged on one sides of the sliding rails, a connecting block is arranged below the rotating shaft, a data line interface is formed in one sideof the connecting block, and a data line adapter is arranged on the other side of the connecting block. Dust and liquid can be prevented from entering the adapter connector, and the adapter connectoris convenient to store and