An engaging and disengaging device for a winch comprises a rotary knob and an engaging and disengaging assembly. The engaging and disengaging assembly comprises an engaging and disengaging gear, a positioning bolt, an elastic sheet and an elastic piece. A plurality of positioning grooves are formed in the periphery of the engaging and disengaging gear at intervals. The positioning bolt is arranged between the rotary knob and the engaging and disengaging gear in an axially-moving mode. One end of the elastic sheet is fixed to the rotary knob, and the other end of the elastic sheet abuts against the positioning bolt so that the positioning bolt can be pushed towards the engaging and disengaging gear to be plugged into one positioning groove of the engaging and disengaging gear. The elastic piece is arranged on the positioning bolt and used for pushing the positioning bolt away from the engaging and disengaging gear, so that the positioning bolt is disengaged from the positioning groove where the positioning bolt is originally plugged. In this way, the engaging and disengaging effect can be achieved with the simple structural cooperation.
Engaging and disengaging device for winch and winch using engaging and disengaging device
2016-01-27
Patent
Electronic Resource
English