A kind of waterproof jacking pipe joints bellmouth jointing structure

The utility model relates to waterproof jacking pipe joints bellmouth jointing structure, comprise front tube coupling and rear tube coupling, the bellmouth outer peripheral sidewall of front tube coupling is provided with Steel Sleeve, Steel Sleeve is arranged slip casting supervisor, radial grouting arm and axial slip casting arm, in the middle part of front tube coupling sidewall, hoop is uniform arranges the convex key of multiple connection, the socket outer peripheral sidewall of described rear tube coupling is provided with O-ring seal, and in the middle part of rear tube coupling sidewall hoop uniform arrange multiple with connect connecting groove corresponding to convex key; Tube coupling joint periphery is provided with side wall grouting inclusion, and inside tube coupling joint, slip casting supervisor bottom is provided with waterproof mortar.This waterproof jacking pipe joints joint structure adopts steel bellmouth to connect, and firmly connect further in conjunction with the easy slotting concavo-convex draw-in groove of interlocking type wedge shape (or taper), by arrange O-ring seal and hydro-expansive rubber carry out waterproof, last at tube coupling linkage section arranged outside side wall grouting inclusion, effectively can improve the waterproofing effect of push pipe joint.