Patent ID: 8210074

Claim:
A dismantling device, comprising a tubular body and a tubular dismantling head, with the front end of the body inserted into the back end of the dismantling head, and the front end of the dismantling head provided with a dismantling structure to be engaged with work piece, wherein: the inner wall of the back end of the said dismantling head is provided with an inner toothed ring encircled by a number of teeth, the outside of the said body is encircled by a hand wheel, the hand wheel is provided with a meshing block, revolving together with the hand wheel by the drive of hand wheel, a window is at the side of the body, a link mechanism is provided inside the window, driving the meshing block rotate for a certain angle and making the front end of the meshing block engage with the inner toothed ring at the dismantling head when the hand wheel is rotating, and the said dismantling head can rotate synchronously with the hand wheel when the meshing block is engaged with the inner toothed ring and keeps rotating the hand wheel.