Electrically -operated spanner

The utility model discloses an electrically -operated spanner, battery fixing bracket be one section hollow tube, be provided with an open slot that is used for holding battery switch on the hollow tube of mount, the motor sets up the front end at the hollow tube, the battery sets up in the battery case, the bottom cover of battery case is on the hollow tube, the bottom of battery case be providedwith with the mount hollow tube on the communicating opening of open slot, the stay cord of pulling switch sets up in insulating bar's inner chamber, the preceding pot head of stay cord is established around the switch, battery fixing bracket overlaps the front end at the insulator spindle that links together, the front end of insulator spindle seals, be provided with two hole on the terminal surface before the insulator spindle, a tensile hole by terminal surface before the insulator spindle penetrates the battery fixing bracket inner chamber and turns around above back round the switch andworn out by another hole o