Patent ID: 8291793

Claim:
A wrench assembled structure comprising: a wrench head including an inserting portion, and the inserting portion including a neck portion connected with a crank, the crank including a head end mounted on a top end thereof, a gap of the head end including a hexagonal recess disposed on a rear end thereof, and the recess including a U-shaped retaining side arranged on an upper section thereof; a handle including a shank inserted to a shaft member; wherein the shank includes a groove formed on a top end thereof, the groove has an inner wall on which a resilient piece is fixed by using a fixing element, the fixing piece has an abutting portion secured on one end thereof, the shank also includes a fitting ring fitted on an outer rim of the top end thereof, a ball retained in one side of an lower end thereof, and a slot formed on another side of the lower side thereof to correspond to the ball and to receive a spring and a locking peg which is biased by the spring; the shaft member includes an engaging section and a chamfer section on which the locking peg is retained.