Middle door lock clamping device

The invention relates to a middle door lock clamping device. The middle door lock clamping device comprises a ratchet, a ratchet shaft, a ratchet spring, a pawl, a pawl shaft, a pawl spring, a pawl buffer block, a sliding block and a lock catch buffer block. The middle door lock clamping device is compact and firm in connection, steady and precise in lock catch transmission, anti-impact, strong in practicability and long in service life.