Urea filling pipe

The utility model provides an urea filling pipe, include an urea pipe, respectively set firmly in the filling head and the filling coupling at urea pipe both ends, the filling head is including filling nozzle, fixed connection head and inner tube, the both ends of fixed connection head respectively with filling nozzle with interior union coupling, the inner tube is arranged in the inside of urea pipe, the inside of fixed connection head sets firmly a magnetic ring and a sealing washer, the magnetic ring with the sealing washer inlay in in the recess on the inner wall of fixed connection head.Urea filling pipe in this embodiment not only can annotate urea solution to outside the automobile body in the urea case, can prevent still that urea solution from overflowing to the risk that fuel and ureal mistake add is avoided in the design of accessible magnetic ring. 种尿素加注管，包括尿素管、分别固设于所述尿素管两端的加注头和加注管接头，所述加注头包括加注嘴、固定连接头和内管，所述固定连接头的两端分别与所述加注嘴和所述内管连接，所述内管置于所述尿素管的内部，所述固定连接头的内部固设磁环和密封圈，所述磁环和所述密封圈镶嵌于所述固定连接头的内壁上的凹槽中。本实施例中的