Bidirectional ratchet structure, bidirectional ratchet wrench and method for changing a direction thereof

摘要

A bidirectional ratchet structure includes a base, a first pawl element, a second pawl element, two reset elements, a direction controller and a driving element. The first pawl element, the second pawl element, the direction controller and the driving element are pivotally disposed at the base. The first pawl element includes a first engaging portion. The second pawl element includes a second engaging portion. The first engaging portion and the second engaging portion are pushed to protrude from the base alternatively. The two reset elements are for pushing the first engaging portion and the second engaging portion to protrude from the base respectively. The first pawl element and the second pawl element are surrounded by the direction controller and the driving element. The direction controller is for pressing the first pawl element or the second pawl element toward the base.