Helmet and electric vehicle

The utility model relates to a helmet and an electric vehicle. The helmet comprises a helmet body, a bandage and a winder. The winder is arranged on the helmet body, the first end of the bandage is connected with the winder, the winder is used for storing or releasing the bandage, and the second end of the bandage is detachably connected with the helmet body; the winder is provided with a plurality of gears, and the plurality of gears correspond to a plurality of lengths of the bandage released outside the winder in a one-to-one manner. One technical effect of the utility model is that the bandage can be accommodated in the winder so as to prevent the bandage from being exposed, the bandage can be released to the outside of the winder, and the length of the bandage can be changed by adjusting different gears of the winder so as to adapt to the requirements of different users on the length of the bandage. 本实用新型涉及一种头盔及电动车，该头盔包括头盔本体、绑带和绕线器；所述绕线器设置于所述头盔本体上，所述绑带的第一端与所述绕线器连接，所述绕线器用于收纳或释放所述绑带，所述绑带的第二端与所述头盔本体可拆卸连接；所述