Self-locking jacking folding joint

The utility model discloses a self-locking jacking folding connector which comprises a folder A block and a folder B block, one end of the folder A block and one end of the folder B block are hinged through a connector rotating shaft, a locking block and a handle are hinged to the free end of the folder B block through different rotating shafts respectively, and the handle is arranged on the outer side of the free end of the folder B block. The locking block is located at the position, close to the inner side, of the free end of the folder B block relative to the handle, the folder A block and the folder B block are locked through the locking block after being closed, and the handle acts on the locking block to achieve locking and unlocking of the folder A block and the folder B block. Through the unique structural design, the folding device can be self-locked after being closed, even if the handle is in an open state, the folding device cannot be opened, safety is high, stress is mainly concentrated on the l