Ratchet adapter for strap tensioner

A ratchet adapter for a strap fastener, comprising:

• a frame, being of a U-shaped body having a junction and two sides with two free ends, the two free ends being separately provided with two shaft holes, two sliding slots being separately formed near the shaft holes, and a lever hole being formed at the junction;
• a ratchet shaft, having an outer section with a radial hole and an inner section axially inserted in the shaft holes;
• a bolt, inserted into the radial hole;
• a ratchet, integratedly mounted around the ratchet shaft;
• a pawl, slidably disposed between the two sliding slots of the frame for engaging with the ratchet, and having a tongue toward the junction;
• a spring stopper, fixed between the two sides of the frame;
• a spring, compressively arranged between the tongue of the pawl and the spring stopper to make the pawl flexibly movable within the sliding slots;
• and
• a holed plate, fixed between the spring stopper and the junction, and having an inserting hole coaxial with the lever hole.