The ratchet wrench belongs to the technical field of wrench tools. The described ratchet wrench includes a wrench body, within the accommodation space of the wrench body head, a snap ring, pawl, spring, and ratchet are fitted. Among these, the ratchet is composed of a ratchet body and a spacer sleeve. The spacer sleeve is a ring with a concave annular groove on its outer periphery and is fitted over one side of the ratchet body. By decomposing the originally integrated ratchet component into a combination of the ratchet body and spacer sleeve, the described ratchet wrench avoids the machining difficulty caused by the uneven height of the concave annular groove on the original ratchet component. Furthermore, since the ratchet body and spacer sleeve are relatively easy to machine, the production efficiency of the ratchet wrench is greatly improved, and production costs are reduced.

Working Principle

The ratchet wrench is used for rotating bolts or nuts located in narrow or hard-to-reach positions. It is rotatably connected to the end of the operating lever. The ratchet wrench includes: a weight connected to the operating lever, which can slide along the length of the lever. On the front part of the operating lever, there is a front weight-bearing portion to block the impact of the weight. Alternatively, on the rear part of the operating lever, there is a rear weight-bearing portion to block the impact of the weight. Moreover, the operating lever can also have both a front weight-bearing portion and a rear weight-bearing portion.