Data transmission device for Internet of Things

The utility model discloses a data transmission device for Internet of Things, which belongs to the technical field of data transmission, and comprises a data transmission module for data transmission of the Internet of Things and a protective shell arranged on the periphery of the data transmission module, one side of the protective shell is provided with an opening, and a barrier plate is arranged in the opening. A plurality of threading holes corresponding to the interface positions of the data transmission module are formed in the side surface of the barrier plate, and the side surface of the barrier plate is rotationally connected with an L-shaped blocking plate through a damping rotating shaft; a rubber ring with a sealing effect is bonded to the inner wall of the threading hole, a rubber plug used for plugging the rubber ring is bonded to the side face of the plugging plate, a connecting frame is arranged on the side face of the blocking plate, and two V-shaped clamping plates used for clamping an elec