Power supply with interchangeable plugs

A power supply with interchangeable plugs, comprising:

• a power adapter unit and a plug unit;
• said power adapter unit including:
• a housing with an engaging base formed over a bottom surface of said housing, said bottom surface of said housing is an inner side of said power supply facing toward to a power socket inlet while said power supply is plug into said power socket inlet;
• at least two electric contact pins in said engaging base;
• a power conversion module installed in said housing electrically connected to said at least two electric contact pins, wherein said at least two electric contact pins are manufactured with said housing by integrated molding to form an embedded structure for enhancing waterproof functionality of said power adapter unit;
• a locking member arranged adjacent to said engaging base along matching direction of said plug unit;
• and
• said plug unit being slidably engaged with said engaging base, which including:
• at least two plug pins extending from outer side of said plug unit and each of said plug pins electrically connected to one of metal contacts located at inner side of said plug unit;
• a locking matching member used to interact with said locking member for allowing said plug unit lock or unlock from said engaging base;
• wherein said plug unit is interchangeable with said power adapter unit;
• and
• wherein said metal contacts and said at least two electric contact pins provide an additional interlock interaction when said plug unit is slidably engaged with said engaging base of said power adapter unit;
• wherein said engaging base is enclosed by a pair of side walls protruding from said bottom case surface, each side wall has a front stop, a gap is formed between said front stop of said pair of side walls;
• and
• wherein said locking member includes a spring and a button with extended tail hook installed in a button recess formed over said bottom surface of said housing, said spring being disposed beneath said button, said tail hook being extended over said gap to said engaging base.