Network security isolation device

The utility model discloses a network security isolation device which comprises a box body, the front surface of the box body is rotatably connected with a box cover, the joint of the box cover and the box body is hinged with a hinge, and the front surface of the box cover is provided with an observation window. The network security isolation device provided by the utility model has the advantages that the isolation terminal is placed at the top of the connecting piece and is fixed with the sliding block through the fixing bolt, and then when the isolation terminal is subjected to external impact, the isolation terminal is fixed; the isolation terminal can remove most impact force through the structure of the isolation terminal through cooperation of the buffer piece, the movable rod, the buffer rod, the connecting piece and the pressure spring in the supporting rod, the pressure spring can buffer the rest small part of impact force through the rebound resilience of the pressure spring, the integrity of compo