Pre -buried location frock of pipeline

The utility model provides a pre -buried location frock of pipeline, belongs to the architectural engineering technology field, including first pipeline, second pipeline and third pipeline, first pipeline one end and second pipeline one end are perpendicular to be connected and link up each other, the spiro union mouth with the coaxial setting of first pipeline is seted up to the second pipeline,and the spiro union mouth has set screw cap, the screw cap screw thread is installed in the spiro union mouth, the 3rd pipeline installation is inside first pipeline, and one end is provided with thesupport ring of evagination, and the other end is towards the spiro union mouth, the inboard fixed mounting of support ring has the rubber pad, support ring fixed mounting has and is radial bracing piece, a supporting rod outer end and an inner wall of the duct sliding connection. This pre -buried location frock of pipeline, simple structure, grooving, the problem of drilling again when avoiding piping erection improve the