One-key starting device of kart

The utility model belongs to the technical field of kart manufacturing, and discloses a one-key starting device of a kart, which comprises a magnetic key, a key holder and a driving circuit, the magnetic key comprises a shell, and a permanent magnet is arranged in the shell; the size of the key holder is matched with that of the magnetic key, a reed switch is arranged at the bottom of the key holder, when the magnetic key is inserted into the key holder, the reed switch senses the magnetic field of the permanent magnet, the N pole and the S pole of the reed switch are contacted and attracted, the drive circuit is connected with a power source to supply power to electric equipment of the vehicle, and an engine is started when the key is pressed down and a brake is stepped down in the neutral position. The one-key starting device of the kart has the advantages of being simple in structure, low in cost, convenient to manufacture, long in service life, high in universality and the like, and the problems that a tr