Seal assembly and water -tight equipment

The utility model provides a seal assembly and including seal assembly's water -tight equipment. The seal assembly who provides includes slip cap, seal cover, first stop collar, second stop collar and internal fixation cover, first stop collar and second stop collar are fixed in the both ends of internal fixation cover respectively, the slip cap is pieced by two lamellas that slide at least, install with radial movement fits respectively at a slip lamella both ends in first stop collar and the second stop collar, the outer wall of seal cover with the internal face of slip cap forms sealed cooperation, just the seal cover is pieced by two sealed lamellas at least, just every amalgamation clearance and a sealed lamella of a slip lamella are corresponding, internal fixation cover outer wall sets up outwardly directed outer boss, the slip cap inner wall is provided with the interior boss that inwards stretches out, the first side of outer boss with the first side end face seal cooperation of interior boss. When t