US Patent 9673569 Electrical connector with central grounding plate

An electrical connector comprises a housing assembly and an outer shell surrounding the housing assembly, the housing assembly comprises a first terminal module and a second terminal module; the first terminal module comprises a first body and a group of first terminals fixed to the first body, the first body has a first tongue; the second terminal module comprises a second body and a group of second terminals fixed to the second body, the second body has a second tongue; the first body and the second body oppose each other and are fixed together by at least one engagement column in the first tongue that is locked to at least one locking hole in the second tongue.