Novel protection of input shaft external splines device

The utility model provides a novel protection of input shaft external splines device, belongs to auto parts protections technical field, including the protection take over a business, right guard shield, left guard shield, fastening stretching strap, fixed stretching strap, paste buckle, the fixed loop, its characterized in that: the top surface half right fixedly connected with of arc edge right side guard shield is down taken over a business in the protection, the surperficial half left fixedly connected with of arc edge left side guard shield in top is down taken over a business in the protection, a left side is top square fixedly connected with fastening stretching strap on the surface behind the guard shield, the fixed stretching strap of top surface below fixedly connected with around the guard shield of a left side, every the fixedly connected with matched with of edge pastes the knot about the preceding top surface of fixed stretching strap, top subsurface side fixedly connected with fixed loop before