| 摘要 |
An improved structure of a ratchet wrench is disclosed. The ratchet wrench comprises a handle and a sleeve module at one end thereof, characterized in that the sleeve module is formed as a circular mount at the end portion of the handle, and the inner diameter of the circular mount is protruded with an urging edge, and the urging edge is provided with a sleeve having a ratchet face at the external circumferential edge, the handle, corresponding to the circular mount, is provided with an inter-communication crescent-shaped slot and the rear side of the crescent-shaped slot is extended with a cavity, a crescent-shaped ratchet block is located within the crescent slot, and the teeth and curvature of the crescent-shaped ratchet block and the ratchet face are corresponding to each other, a spring having restoration force is located between the crescent ratchet block and the cavity, thereby an improved ratchet wrench with a greater torque is obtained.
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