Patent ID: 7845971

Claim:
A power connector structure, comprising: a cable having a plurality of cores, each of said cores extending from a tail of said cable and electrically connected to a terminal; an inner ring structure collaring said tail and configured for immobilizing said cores and electrically isolating said terminals; an inner case shielding said cores and said terminals and comprising: a main body having an accommodating space penetrating therethrough, wherein said inner ring structure and said terminals are respectively configured at a first end with a first opening and a second end with a second opening that opposites to said first opening of said accommodating space and a portion of said terminals are exposed from said main body; and an out-extending protrusion configured over said first opening proximate to said inner ring structure and extending outwardly and rearward from an edge of said first opening, wherein said out-extending protrusion includes a plurality of protruding ribs and an annular portion thereof is connected to at least a portion of said protruding ribs; a strain relief structure formed on said first opening proximate to said inner ring structure and substantially filling a gap within said first opening, wherein said strain relief structure covers said protruding ribs and a portion of said cable; and an external cover attached to said second opening proximate to said terminals and covering said inner case; wherein said inner ring structure comprises a positioning bump formed on a side thereof and towards an interior of said inner case, and said inner case comprises a positioning notch at a rear end thereof configured for being engaged with said positioning bump on said inner ring structure.