Sealing joint who connects locking of bamboo -shaped prestressing force plastic tubing strap bolt

The utility model discloses a sealing joint who connects locking of bamboo -shaped prestressing force plastic tubing strap bolt, sealing joint is combined to constitute with the butt joint of a pair of semicircle of mirror symmetry pipe by the structure relatively, and the composition surface fastening will be docked in the group with bolt -up spare, every semicircle is intraductal to be circled all there are two big annular grooves, two little annular grooves and the sealed recess that fills up, two big annular groove settings are in semicircle pipe range degree mid point both sides, two annulet connected in stars set up in two big annular groove outsides, be provided with a sealed recess that fills up respectively in every big annular groove both sides, the sealed pad be equipped with in the sealed pad recess respectively. The utility model discloses the technique effect is: sticis in the big annular muscle both sides of bamboo -shaped prestressing force plastic tubing with elastic gasket, the evacuation construction is sealed effectual, helps the closely knit degree and the plumpness of the grout of vacuum prestressed duct, realize with a pair of semicircle of bolt fastening pipe that two bamboo -shaped prestressing force plastic tubings connections are sealed, easy and simple to handle, the dependable performance.