Electrical connector and electrical connector assembly

A receptacle electrical connector, comprising:

• an insulating housing comprising an insulating housing main body and a plurality of insulating tubular members protruding from the insulating housing main body, the plurality of insulating tubular members being arranged in a single row, wherein a quantity of the plurality of insulating tubular members arranged in the single row is seven, wherein at least one insulating tubular member of the plurality of insulating tubular members has a guiding projection extending along a plugging and unplugging direction of the receptacle electrical connector at an outer surface of the at least one insulating tubular member;
• a plurality of mating contacts disposed in respective insulating tubular members of the plurality of insulating tubular members, wherein each of the plurality of mating contacts comprises a cup-shaped metal structural member;
• and
• at least one securing structure disposed on at least one end of the insulating housing, wherein the at least one securing structure comprises a first latch at a first end of the insulating housing.

A plug electrical connector, comprising:

• an insulating housing comprising a plurality of insulating tubular members, the plurality of insulating tubular members being arranged in a row, wherein a quantity of the plurality of insulating tubular members arranged in the row is seven, and wherein at least one insulating tubular member of the plurality of insulating tubular members has a guiding recess extending along a plugging and unplugging direction of the plug electrical connector at an inner surface of the at least one insulating tubular member;
• a plurality of mating contacts disposed in respective insulating tubular members of the plurality of insulating tubular members, wherein each mating contact of the plurality of mating contacts comprises an elongate metal structural member;
• and
• at least one securing structure disposed on at least one end of the insulating housing,
• wherein each mating contact of the plurality of mating contacts comprises an insulating cover member at an end of the mating contact.

A plug electrical connector, comprising:

• an insulating housing comprising a plurality of insulating tubular members, the plurality of insulating tubular members being arranged in a single row, wherein a quantity of the plurality of insulating tubular members arranged in the single row is seven, and wherein at least one insulating tubular member of the plurality of insulating tubular members has a guiding recess extending along a plugging and unplugging direction of the plug electrical connector at an inner surface of the at least one insulating tubular member;
• a plurality of mating contacts disposed in respective insulating tubular members of the plurality of insulating tubular members, wherein each mating contact of the plurality of mating contacts comprises an elongate metal structural member;
• and
• at least one securing structure disposed on at least one end of the insulating housing,
• wherein each mating contact of the plurality of mating contacts comprises an insulating cover member at an end of the mating contact.