Fireproof insulation piercing wire clamp structure

The utility model relates to the technical field of fireproof insulation piercing wire clamps, in particular to a fireproof insulation piercing wire clamp structure, which comprises an upper shell, a fixing bolt and a lower shell, the upper shell is fixedly connected with the lower shell through the fixing bolt, the upper end of the lower shell is fixedly connected with a sealing strip, and the upper end of the lower shell is fixedly connected with an insulation wear-resistant layer. An air bag layer is fixedly connected to the upper end of the lower shell, a through hole is formed in the inner side of the lower shell, a built-in hollow shell is fixedly connected to the inner side of the lower shell, a limiting sliding groove is formed in the inner side of the built-in hollow shell, a limiting block is slidably connected to the inner side of the limiting sliding groove, a connecting rod is fixedly connected to the inner side of the limiting block, and a concentric-square-shaped block is fixedly connected to t