Rail fastener with damping function

The utility model relates to the technical field of rail fasteners, and discloses a rail fastener with a shock absorption function, which comprises two first fixing blocks and a rail, first bolts are sleeved in the two first fixing blocks in a threaded manner, grooves are formed in opposite sides of the two first fixing blocks, and the rail is arranged in the grooves. Damping mechanisms are fixedly arranged on the front portions and the rear portions of the close ends of the opposite sides of the two first fixing blocks correspondingly, second bolts are fixedly arranged at the upper ends of the two first fixing blocks correspondingly, and fixing mechanisms are rotationally arranged at the front ends of the two second bolts correspondingly. According to the utility model, when the elastic buckling block is vibrated upwards, the first connecting rod of the fixing mechanism is lifted up, then after the first connecting rod is lifted up, the second connecting rod is moved downwards by the second rotating shaft, a