Connector assembly for being securely mounted to circuit board

1 . A connector assembly, comprising:

an electrical connector comprising an insulating body and a plurality of conductive terminals; the insulating body comprising a mounting surface configured to be mounted on a circuit board, and a mating slot configured to receive a mating connector; each conductive terminal comprising an elastic contact arm protruding into the mating slot and a tail portion configured to be mounted to the circuit board;

a metal shielding cage shielding a periphery of the electrical connector; the metal shielding cage comprising a receiving chamber in communication with the mating slot; the receiving chamber being in communication with the mating slot to receive the mating connector; and

a fastener configured to pass through the circuit board and be fastened to the electrical connector;

wherein the receiving chamber and the mating slot are configured to receive the mating connector along a first direction; and the first direction is perpendicular to the circuit board.

2 . The connector assembly according to claim 1 , wherein the fastener passes through the circuit board and is fastened to the insulating body of the electrical connector.

3 . A connector assembly, comprising:

an electrical connector comprising an insulating body and a plurality of conductive terminals; the insulating body comprising a mounting surface configured to be mounted on a circuit board, and a mating slot configured to receive a mating connector; each conductive terminal comprising an elastic contact arm protruding into the mating slot and a tail portion configured to be mounted to the circuit board;

a metal shielding cage shielding a periphery of the electrical connector; the metal shielding cage comprising a receiving chamber in communication with the mating slot; the receiving chamber being in communication with the mating slot to receive the mating connector; and

a fastener configured to pass through the circuit board and be fastened to the electrical connector;

wherein the fastener passes through the circuit board and is fastened to the insulating body of the electrical connector; and

wherein the insulating body defines an internal threaded hole; the fastener is a bolt which is fastened in the internal threaded hole of the insulating body.

4 . The connector assembly according to claim 1 , wherein the metal shielding cage comprises a first end wall, a first side wall, a second side wall opposite to the first side wall, and a second end wall opposite to the first end wall; and wherein the receiving chamber is jointly enclosed by the first end wall, the first side wall, the second side wall and the second end wall.

5 . The connector assembly according to claim 4 , wherein the metal shielding cage has a first height H 1 along the first direction; the metal shielding cage has a first length L 1 along a second direction perpendicular to the first direction, where H 1 >L 1 .

6 . The connector assembly according to claim 5 , wherein the metal shielding cage has a first width W 1 along a third direction which is perpendicular to the first direction and the second direction, where H 1 >W 1 .

7 . The connector assembly according to claim 4 , wherein the metal shielding cage is provided with a plurality of fastening feet configured to be fixed to the circuit board; the plurality of fastening feet comprise a plurality of first fastening feet protruding from a bottom edge of the first side wall along the first direction, and a plurality of second fastening feet protruding from a bottom edge of the second side wall along the first direction.

8 . The connector assembly according to claim 4 , wherein the metal shielding cage comprises an inner metal shell fixed to the first side wall and the second side wall; the inner metal shell divides the receiving chamber into a first receiving chamber and a second receiving chamber located on two sides of the inner metal shell, respectively;

the mating connector comprises a first mating connector configured to be received in the first receiving chamber and a second mating connector configured to be received in the second receiving chamber.

9 . The connector assembly according to claim 8 , wherein the inner metal shell comprises a top wall, a first fixing wall bent downwardly from one side of the top wall, and a second fixing wall bent downwardly from another end of the top wall.

10 . The connector assembly according to claim 9 , wherein the inner metal shell further comprises an opening surrounded by the top wall, the first fixing wall and the second fixing wall;

the connector assembly further comprises a mounting block installed in the opening.

11 . The connector assembly according to claim 10 , wherein the mounting block comprises a top wall portion, a bottom wall portion, a first wall portion, a second wall portion opposite to the first wall portion, a third wall portion connecting one end of the first wall portion and one end of the second wall portion, and a fourth wall portion connecting another end of the first wall portion and another end of the second wall portion; the first wall portion has a first wall surface; and the second wall portion has a second wall surface opposite to the first wall surface;

at a position adjacent to the bottom wall portion, the mounting block further comprises a heat dissipation through hole extending through the first wall surface and the second wall surface.

12 . The connector assembly according to claim 11 , wherein the first side wall defines a plurality of first heat dissipation holes, the second side wall defines a plurality of second heat dissipation holes, the heat dissipation through hole corresponds to heights of the first heat dissipation holes and the second heat dissipation holes in the first direction; and the first heat dissipation holes, the heat dissipation through hole and the second heat dissipation holes are in communication.

13 . The connector assembly according to claim 11 , wherein the mounting block further comprises a plurality of heat dissipation channels extending through the third wall portion and arranged at intervals; the plurality of heat dissipation channels extend upwardly through the top wall portion; and the plurality of heat dissipation channels are in communication with the heat dissipation through hole downwardly.

14 . The connector assembly according to claim 11 , wherein the first side wall defines a plurality of first mounting holes, and the second side wall defines a plurality of second mounting holes;

the first wall portion is provided with a plurality of first mounting protrusions protruding beyond the first wall surface; and the plurality of first mounting protrusions are clamped in corresponding first mounting holes;

the second wall portion is provided with a plurality of second mounting protrusions protruding beyond the second wall surface; and the plurality of second mounting protrusions are clamped in corresponding second mounting holes.

15 . The connector assembly according to claim 8 , wherein the first end wall defines a first opening communicating with the first receiving chamber; the second end wall defines a second opening communicating with the second receiving chamber;

the connector assembly further comprises a first heat sink fixed to the first end wall and a second heat sink fixed to the second end wall;

the first heat sink comprises a first body portion and a plurality of first heat dissipation fins protruding sidewardly from the first body portion; the first body portion at least partially extends into the first opening, and is exposed in the first receiving chamber;

the second heat sink comprises a second body portion and a plurality of second heat dissipation fins protruding sidewardly from the second body portion; the second body portion at least partially extends into the second opening, and is exposed in the second receiving chamber.

16 . A connector assembly, comprising:

an electrical connector comprising an insulating body and a plurality of conductive terminals; the insulating body comprising a mounting surface configured to be mounted on a circuit board, and a mating slot configured to receive a mating connector; each conductive terminal comprising an elastic contact arm protruding into the mating slot and a tail portion configured to be mounted to the circuit board;

a metal shielding cage shielding a periphery of the electrical connector; the metal shielding cage comprising a receiving chamber in communication with the mating slot; the receiving chamber being in communication with the mating slot to receive the mating connector; and

a fastener configured to pass through the circuit board and be fastened to the electrical connector;

wherein the connector assembly further comprises a first terminal module; wherein the first terminal module comprises a first insulating block, a plurality of first conductive terminals fixed to the first insulating block, and a plurality of second conductive terminals fixed to the first insulating block; the plurality of conductive terminals comprise the plurality of first conductive terminals and the plurality of second conductive terminals;

each first conductive terminal comprises a first fixing portion, a first elastic contact arm extending from one end of the first fixing portion, and a first tail portion extending from another end of the first fixing portion; the first fixing portion is fixed to the first insulating block; the first tail portion extends beyond the first insulating block;

each second conductive terminal comprises a second fixing portion, a second elastic contact arm extending from one end of the second fixing portion, and a second tail portion extending from another end of the second fixing portion; the second fixing portion is fixed to the first insulating block; the second tail portion extends beyond the first insulating block;

the elastic contact arm comprises the first elastic contact arm and the second elastic contact arm; the tail portion comprises the first tail portion and the second tail portion.

17 . The connector assembly according to claim 10 , wherein the insulating body comprises a base portion, a first extension protrusion extending from one side of the base portion along the first direction, and a second extension protrusion extending from another side of the base portion along the first direction; the first extension protrusion and the second extension protrusion are located on a same side of the base portion;

the insulating body comprises two first protrusions protruding from two ends of the first extension protrusion toward the second extension protrusion, and a first positioning slot jointly formed by the first extension protrusion and the two first protrusions;

the insulating body comprises two second protrusion protruding from two ends of the second extension protrusion toward the first extension protrusion, and a second positioning slot jointly formed by the second extension protrusion and the two second protrusions;

the insulating body comprises a receiving groove located between the first extension protrusion and the second extension protrusion; the receiving groove is located between the first positioning slot and the second positioning slot; the receiving groove is in communication with the first positioning slot and the second positioning slot;

the mating slot comprises a first mating slot formed on the first extension protrusion and extending through the first extension protrusion along the first direction, and a second mating slot formed on the second extension protrusion and extending through the second extension protrusion along the first direction; the first mating slot is in communication with the first receiving chamber so as to receive the first mating connector; the second mating slot is in communication with the second receiving chamber so as to receive the second mating connector.

18 . The connector assembly according to claim 4 , wherein the receiving chamber comprises a first receiving chamber; the first end wall defines a first opening in communication with the first receiving chamber;

the connector assembly further comprises a first heat sink fixed to the first end wall; the first heat sink comprises a first body portion and a plurality of first heat dissipation fins protruding sidewardly from the first body portion; the first body portion at least partially extends into the first opening, and is exposed in the first receiving chamber.

19 . The connector assembly according to claim 18 , further comprising a holding piece; wherein the holding piece comprises a first side wall portion, a second side wall portion opposite to the first side wall portion, a first abutting beam connecting the first side wall portion and the second side wall portion, and a second abutting beam connecting the first side wall portion and the second side wall portion; the first side wall portion is fastened to the first side wall; the second side wall portion is fastened to the second side wall; the first abutting beam and the second abutting beam are disposed at intervals in the first direction; and both the first abutting beam and the second abutting beam abut against the first heat sink.

20 . The connector assembly according to claim 3 , wherein the receiving chamber and the mating slot are configured to receive the mating connector along a first direction; and the first direction is perpendicular to the circuit board.