What is the working principle of a ratchet wrench


Ratchet wrench is a manual screw tightening tool, singl […]

Ratchet wrench is a manual screw tightening tool, single-head, double-head multi-specification ratchet wrench (fixed hole). It is connected by the main plum blossom sleeve and the secondary plum blossom sleeve of different specifications and sizes through the female key and the male key of the hinged key. Because a plum blossom sleeve has two specifications of plum blossom-shaped through holes, it can be used for tightening screws of two specifications, thereby expanding the scope of use and saving raw materials and labor costs. The movable trigger can easily adjust the use angle of the wrench. This kind of wrench is used for the tightening operation of the screw, and has the characteristics of strong applicability, convenient use and low cost.
Principle of Wrench
The ratchet wrench is used to rotate bolts or nuts placed in narrow or difficult-to-access positions, and the ratchet wrench is rotatably connected with the end of the operating rod. The ratchet wrench includes a weight connected with an operating rod, the weight can slide along the length of the operating rod, and the operating rod at the front of the weight has a front weight bearing part that blocks the impact of the weight. Alternatively, the operating rod at the rear of the weight has a rear weight bearing portion that blocks the collision of the weight. Moreover, the operating lever may also have both a front weight bearing part and a rear weight bearing part.
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