Magnetic type seal head structure

The utility model aims to provide a magnetic type seal head structure which is simple in structure and facilitates disassembly, assembly and replacement of a seal head. The seal comprises an outer sleeve, a sliding sleeve, an inner sleeve, a fixed sleeve and a seal head which are sequentially arranged from outside to inside, the outer sleeve is connected with the inner sleeve, the sliding sleeve is connected with the inner sleeve through a plurality of springs, and the sliding sleeve is arranged between the outer sleeve and the inner sleeve in a sliding fit mode. Wherein the inner sleeve and the fixed sleeve are respectively provided with a first magnet sheet and a second magnet sheet which are mutually magnetically attracted, the seal head is detachably connected to the fixed sleeve, andthe outer sleeve, the sliding sleeve and the inner sleeve are respectively provided with an outer sleeve hole, a sliding sleeve hole and an inner sleeve hole. And the outer sleeve hole, the sliding sleeve hole and the inner s