Elastic pin coupler

The utility model provides an elastic pin coupler, including a half -coupling, the 2nd half -coupling, elastic column axis and pin apron, wherein, a half -coupling can overlap on the 2nd half -coupling, be equipped with the pin groove on a half -coupling's the inner wall a half -coupling tip is provided with the pin hole, the pin hole is parallel with the axis direction, and with the same and collineation of pin inslot footpath size, the 2nd half -coupling outer wall is equipped with the pin groove, with pin groove on the half -coupling correspond and the internal diameter size the same, elastic column axis passes through insert in the pin hole, installs in by a half -coupling and the 2nd half -coupling concatenation rear pillar cotter way in to the pin through -hole that closes, becomes with the pin hole shape, pin apron install in half -coupling both sides. The utility model discloses simple structure possesses the characteristics that transmitting torque is big, damping performanceis strong. 本实用新型提供了种弹性柱销联