Patent ID: 7681285

Claim:
A detachable handle mounting structure comprising: a handle; a sleeve fixedly connected to one end of said handle for receiving a tool, said sleeve having a recessed portion on the periphery thereof and a socket fixedly provided at said recessed portion, said socket having an accommodation open chamber and a bottom center hole cut through the periphery wall of said sleeve at the center of said accommodation open chamber; a plug partially inserted into the bottom center hole of said socket and vertically movable in the bottom center hole of said socket between a locking position where said plug is partially projecting into the inside of said sleeve to lock a tool to said sleeve and an unlocking position where said plug is moved away from the inside of said sleeve to unlock the tool that is inserted into said sleeve; and a rotary knob, said rotary knob comprising a knob body coupled to said socket and rotatable relative to said socket to move said plug vertically in the bottom center hole of said socket between said locking position and said unlocking position, said knob body having an open chamber, a coupling member suspending in the open chamber of said knob body and coupled to said plug, wherein said socket has at least one spiral guide groove, said at least one spiral guide groove each having a lower end and an upper end, said plug having a guide rod movable along said at least one spiral guide groove between the lower end and upper end of each of said at least one spiral guide groove to move said plug vertically in said bottom center hole of said socket during a rotary motion of said rotary knob.