Seal cover subassembly of acting as go -between

The utility model belongs to the technical field of automobile manufacturing, specifically indicate a seal cover subassembly of acting as go -between, including seal cover and checkpost. The seal cover includes seal cover body and seal lip limit, and the seal cover body is the both ends open -ended cavity rubber sleeve body, insidely is equipped with the through -hole along the axial, the through -hole anterior segment for with the complex of the acting as go -between hole of acting as go -between, the back end be with checkpost complex pilot hole, a ring groove is radially expanded to the pilot hole front end. Epitaxial annular seal lip limit of seal cover body tail end. The checkpost is plastics tubulose spare, and the front end of checkpost periphery is equipped with the buckle bulge loop, and the locking of buckle bulge loop faces to the checkpost tail end, can match with the ring groove of pilot hole. Checkpost periphery rear portion symmetry is equipped with a plurality of buckle shell fragments, and the locking face of shell fragment is the shell fragment free end terminal surface towards the checkpost front end. Seal cover subassembly of acting as go -between simple structure has the better sealed performance of making an uproar of falling, and the simple installation, and is firm reliable.