Night-vision helmet connector

The invention discloses a night-vision helmet connector, and relates to the technical field of precise machines. The connector comprises a buckle assembly which is formed by the connection of a helmet draw cord, a connection roe and a hook, wherein the buckle assembly is fixed with a multi-freedom adjustment connector. The pedestal of the multi-freedom adjustment connector consists of a pedestal connected with the draw cord, and a top block which has a function of automatic popping and screwing after the top block is pressed, wherein the pedestal connected with the draw cord is in clamping connection with the top block which has the function of automatic popping and screwing. The multi-freedom adjustment connector comprises an up/down adjustment function mechanism, a vertical adjustment mechanism, a locking mechanism, a longitudinal adjustment mechanism, a pitching adjustment mechanism and a left/right eye adjustment mechanism. The connector can enable a monocular night-vision instrument to be switched betwee