Insulation support connecting piece

The utility model discloses an insulation support connecting piece, including the cylinder casing main body, the casing main body both ends are equipped with cylinder bushing end, and the diameter of bushing end is greater than the diameter of casing main body, and bushing serves and radially sets up the annular groove, and the connecting piece is cup jointed to the bushing end outside of the casing main body of two relative settings, installs the sealing ring between annular groove and the connecting piece, and the connecting piece middle part is equipped with the spacing groove, and its both ends are equipped with the connecting piece stiff end, and connecting piece stiff end department is equipped with the the annular clamped groove, is equipped with the retainer plate in the fixed slot, the utility model has the advantages of simple structure and reasonable design, the installation is simple, and the overall structure leakproofness is good, and low in manufacturing cost is honest and clean.