Patent ID: 7874853

Claim:
A converter comprising: a casing having a connection side; an external surface; a mounting recess being formed in the connection side of the casing and having a bottom, an annular sidewall and a center; multiple position posts being formed on and protruding from the bottom of the mounting recess around the center of the mounting recess and each position post having an external surface; multiple conductive slices being mounted around the position posts; and multiple mounting protrusions being formed on the annular sidewall of the mounting recess; and a plug being detachably mounted on the casing and having an escutcheon covering the mounting recess of the casing and having an outer side; a connection side; and an external surface; an engaging protrusion being formed on and protruding from the connection side of the escutcheon, being mounted in the mounting recess of the casing and having a center; an outer sidewall; a position groove being annular formed in the engaging protrusion around the center of the engaging protrusion and being mounted around the position posts of the casing; and multiple holding grooves being formed on the outer sidewall of the engaging protrusion and engaging the mounting protrusions of the casing; and multiple terminals being formed on and protruding from the outer side of the escutcheon, and each terminal being contacted with one of the conductive slices of the casing.