Drainage tube protection device

The utility model relates to a drainage tube protection device, its interior sleeve pipe on the outer wall of drainage tube is located to the cover, interior sleeve pipe includes the vertical splice that feeds through in proper order of a plurality of, the splice is including the lower clutch that is spherical top connection and communicates with the top connection, be equipped with the through -hole that holds the drainage tube and pass in the top connection, the bottom of lower clutch is equipped with and makes the top connection at pivoted slotted hole wherein with through -hole intercommunication and the top connection of holding next splice, the utility model has the advantages of: 1. The utility model discloses a drainage tube can be protected to interior sleeve pipe, prevents that the drainage tube from buckling, interior sleeve pipe is formed by the concatenation of a plurality of splice for interior sleeve pipe can carry out the bending of arbitrary orientation by according toactual need, 2. The sett