Vehicle-mounted charger

The utility model discloses a vehicle-mounted charger. Power converter, a fixed head is arranged at the bottom end of the power converter; a positive elastic head is arranged at the bottom end of thefixed head; limiting mechanisms are symmetrically arranged on the two sides of the power converter, a rectifier connected through a movable mechanism is arranged above the power converter, the bottomend of the rectifier is connected with the top end of the power converter through a fixing mechanism, a USB port and an indicator lamp are arranged at the top end of the rectifier, and an annular winding groove is formed in the outer wall of the rectifier. The utility model relates to a vehicle-mounted charger. The design is simple to operate, reasonable design, the vehicle-mounted charger does not need to be pulled out or installed; the vehicle-mounted charger and the cigarette lighter can be connected and disconnected only by pulling out the cigarette lighter and the vehicle-mounted chargerfor a long time, loss cause