Backplane connector with improved shielding effect

A backplane connector, comprising:

• a housing comprising a receiving space;
• and
• a plurality of terminal modules mounted to the housing, each terminal module comprising:
• a plurality of conductive terminals, each of the conductive terminals comprising a mating portion and a tail portion;
• a plurality of metal shield surrounding members which are spaced apart from one another along a first direction and protrude into the receiving space;
• a first metal shield located on one side of the plurality of conductive terminals, the first metal shield comprising a first extension portion;
• and
• a second metal shield located on another side of the plurality of conductive terminals, the second metal shield comprising a second extension portion;
• wherein the conductive terminals comprise a first signal terminal and a second signal terminal, each of the first signal terminal and the second signal terminal comprises the mating portion and the tail portion, the mating portion of the first signal terminal and the mating portion of the second signal terminal both protrude into the receiving space and are spaced apart from each other along the first direction;
• wherein the metal shield surrounding member surrounds a periphery of the mating portion of the first signal terminal and the mating portion of the second signal terminal;
• wherein the first extension portion and the second extension portion are electrically connected to the metal shield surrounding member along a second direction perpendicular to the first direction;
• wherein each terminal module further comprises an insulating bracket, each conductive terminal comprises a connection portion connecting the mating portion and the tail portion, the connection portions of the conductive terminals are at least partially fixed to the insulating bracket, the mating portion of the first signal terminal and the mating portion of the second signal terminal protrude beyond the insulating bracket in a third direction perpendicular to the first direction and the second direction;
• wherein the conductive terminals comprise a first ground terminal and a second ground terminal, and the first signal terminal and the second signal terminal are located between the first ground terminal and the second ground terminal;
• wherein the metal shield surrounding member comprises a first side wall, a second side wall, a third side wall and a fourth side wall;
• the first side wall is disposed opposite to the third side wall;
• the second side wall is disposed opposite to the fourth side wall;
• an area of either of the first side wall and the third side wall is smaller than an area of either of the second side wall and the fourth side wall;
• and
• wherein the metal shield surrounding member further comprises a first extension piece extending from the first side wall, and a second extension piece extending from the third side wall;
• the first extension piece is in vertical contact with the mating portion of the first ground terminal;
• and the second extension piece is in vertical contact with the mating portion of the second ground terminal.

A backplane connector, comprising:

• a housing comprising a receiving space;
• and
• a plurality of terminal modules mounted to the housing, each terminal module comprising:
• a plurality of conductive terminals, each of the conductive terminals comprising a mating portion and a tail portion;
• a plurality of metal shield surrounding members which are spaced apart from one another along a first direction and protrude into the receiving space;
• a first metal shield located on one side of the plurality of conductive terminals, the first metal shield comprising a first extension portion;
• and
• a second metal shield located on the another of the plurality of conductive terminals, the second metal shield comprising a second extension portion;
• wherein the conductive terminals comprise a first signal terminal and a second signal terminal, each of the first signal terminal and the second signal terminal comprises the mating portion and the tail portion, the mating portion of the first signal terminal and the mating portion of the second signal terminal both protrude into the receiving space and are spaced apart from each other along the first direction;
• wherein the metal shield surrounding member surrounds a periphery of the mating portion of the first signal terminal and the mating portion of the second signal terminal;
• wherein the first extension portion and the second extension portion are electrically connected to the metal shield surrounding member along a second direction perpendicular to the first direction;
• wherein the mating portion of the first signal terminal comprises a first elastic arm portion, and the mating portion of the second signal terminal comprises a second elastic arm portion;
• wherein the first elastic arm portion comprises a first main portion, a first elastic arm bent upwardly from one side of the first main portion, and a second elastic arm bent upwardly from the other side of the first main portion;
• and
• wherein the second elastic arm portion comprises a second main portion, a third elastic arm bent downwardly from one side of the second main portion, and a fourth elastic arm bent downwardly from the other side of the second main portion.