Network boundary safety cabinet body for preventing data adapter from falling off

The invention discloses a network boundary safety cabinet body for preventing a data adapter from falling off, and relates to the technical field of network safety. The safety cabinet comprises a safety cabinet body, a door body and an embedded plate; partition plates are arranged in the safety cabinet body at equal intervals. An anti-falling plate is mounted between every two adjacent partition plates; a door groove is formed in the anti-falling plate; the door body is movably installed on the door groove through the door shaft. Two U-shaped clamping grooves are uniformly formed in one side, opposite to a door shaft, of the door body; the embedded plate is movably embedded in the U-shaped clamping groove; a plurality of threading holes are formed in the peripheral side of the embedded plate; a limiting plate is arranged on one side of the embedded plate; and the limiting plate is matched with the sliding block. According to the invention, the anti-falling plate is arranged behind the safety cabinet, and the