Seal structure of sealing plug and work piece

The utility model provides a sealing plug and contain the seal structure of the work piece of this sealing plug is equipped with serration on the periphery wall of sealing plug, the sealing plug interference is installed when downthehole, can make serration take place elastic deformation and/or plastic deformation, with the closed hole. The utility model provides a sealing plug is provided with serration on the periphery wall of sealing plug, when then wait to seal downthehole was installed in the sealing plug interference, serration received the extrusion and takes place elastic deformation and/or plastic deformation, and closely the laminating is together with the pore wall to realized sealed to the hole, and it is sealed effectual, and when assembly, only need with the sealing plug fill in wait to seal downthehole can, very convenient, and non -deformable, simultaneously, this sealing plug simple structure, and can realize standardized production, be favorable to the marketing. 本实用新型提供了种密封塞及包含该密封塞的工件的密封结构，