Ratchet wrench having quick release structure

A ratchet wrench having a quick release structure, comprising:

• a drive bar, the drive bar including a fork arm, a fork opening formed at the fork arm, an axial hole communicating with the fork opening, and a radial hole communicating with the axial hole;
• a rotary head, the rotary head being pivotally connected to two ends of the fork arm, the rotary head including a round housing, a ratchet apparatus disposed inside the round housing, a plurality of positioning recesses disposed on the round housing, and a pivot axis formed at the rotary head and passing through the two ends of the fork arm, wherein the pivot axis is perpendicular to the radial hole;
• and
• a locking switch, the locking switch including a turning element disposed in the radial hole and a latch element disposed in the axial hole, the turning element rotatably driving the latch element to move axially, the latch element being engaged with or released from any of the positioning recesses,
• wherein the locking switch further includes a locking spring connected to one end of the latch element;
• wherein the turning element includes a plurality of drive portions radially protruding therefrom and driving movement of the latch element;
• wherein the latch element includes a plurality of openings for insertion of the drive portions, and
• wherein a quantity of the drive portions is the same as a quantity of the openings.