Power adaptor with retractable plug

摘要

A power adaptor of the present invention has a single power cable connecting between an adaptor body and an electric device. The power cable can be conveniently retrieved or dispensed by a cable winder for easy management. The plug for plugging into a power source is directly installed on the adaptor body. The prongs of the plug is mounted on a sliding rail inside the adaptor body so that the prongs can be stuck out for plugging or completely retracted inside the adaptor body for transportation or storage. Conducting plates are provided along the sliding rail so that the prongs are always in reliable contact with the conducting plates for the conduction of electricity to the electric member inside the adaptor body. When the prongs are fully exposed or when the prongs are completely concealed, the prongs are securely locked to the adaptor body.