Secure Internet of Things access device based on block chain technology

The utility model relates to the technical field of Internet of Things equipment, and discloses a safe Internet of Things access device based on block chain technology, which comprises a top plate, a side column fixedly connected to the bottom of the top plate, a separation alarm arranged in the side column, a clamping chamber fixedly connected to the bottom of the separation alarm, and a clamping mechanism arranged in the clamping chamber. The inner sides of the side columns are movably connected with Internet of Things access shafts, the two ends of each Internet of Things access shaft are movably sleeved with spiral sleeves, the bottom of the top plate is fixedly connected with a U-shaped plate, the inner sides of the side columns are fixedly connected with supporting columns, and the interior of the top plate is fixedly connected with a driving device. According to the safe Internet of Things access equipment based on the block chain technology, the uncovered cylinder is sleeved with the cylinder cover, t