Dismounting tool with spline end contactor

The utility model discloses a dismounting tool with a spline end contactor. The dismounting tool with the spline end contactor comprises a hose clamping loop and a fastening device which is arranged on the hose clamping loop, wherein the fastening device comprises a rotary knob and a thread groove, and the hose clamping loop is round. The rotary knob is fixed with the thread groove by rotating, and the hose clamping loop is driven to be loosened and fastened. According to the dismounting tool with the spline end contactor, the loosening and fastening of the hose clamping loop drive one end of the spline end contactor to loosen and fasten and the other end of the spline end contactor to loosen and fasten in the opposite direction, and a groove in the tail portion of a touching arm is enabled to enter a contact blade position of the spline end contactor conveniently. The operation is quick and convenient, and the structure is easy.