Electrical connector with stop function

1. An electrical connector, comprising:

an insulating body, the insulating body comprising a main body and a first mating protrusion extending from the main body, the first mating protrusion comprising a first mating surface and a first slot extending through the first mating surface;

a plurality of first conductive terminals, each first conductive terminal comprising a first mating portion protruding into the first slot;

a metal shell, the metal shell being assembled to the insulating body along an assembling direction, the metal shell comprising a top wall, a bottom wall, two side walls connecting the top wall and the bottom wall, and a partition wall located between the top wall and the bottom wall, the metal shell defining a first receiving cavity enclosed by the bottom wall, the partition wall and the two side walls, the first receiving cavity being adapted to receive a first mating plug;

wherein the metal shell further comprises an installation opening extending downwardly through the partition wall and the bottom wall, the insulating body is received in the metal shell through the installation opening, and the first mating protrusion communicates with the first receiving cavity; and

wherein the electrical connector comprises a first stop portion provided on the first mating protrusion and the first stop portion is adapted to stop further insertion of the first mating plug.

2. The electrical connector according to claim 1 , wherein the insulating body further comprises a second mating protrusion disposed above the first mating protrusion, and the second mating protrusion comprises a second mating surface and a second slot extending through the second mating surface; and

wherein the electrical connector further comprises a plurality of second conductive terminals, and each second conductive terminal comprises a second mating portion protruding into the second slot.

3. The electrical connector according to claim 2 , wherein the metal shell further comprises a second receiving cavity enclosed by the top wall, the partition wall and the two side walls, the second receiving cavity is adapted to receive a second mating plug, and the second mating protrusion communicates with the second receiving cavity.

4. The electrical connector according to claim 3 , wherein the metal shell comprises a second stop portion protruding into the second receiving cavity and the second stop portion is adapted to stop further insertion of the second mating plug.

5. The electrical connector according to claim 4 , wherein the second stop portion comprises a stop piece integrally bent downwardly from the top wall.

6. The electrical connector according to claim 1 , wherein the first stop portion comprises a stop protrusion fixed to the first mating protrusion and protruding into the first receiving cavity.

7. The electrical connector according to claim 6 , wherein the stop protrusion is made separately from the first mating protrusion, and the stop protrusion is installed to the first mating protrusion.

8. The electrical connector according to claim 6 , wherein the stop protrusion and the first mating protrusion are integrally formed.

9. The electrical connector according to claim 1 , wherein the first stop portion comprises a stop block located at a rear end of the first slot and exposed forwardly to the first slot.

10. The electrical connector according to claim 9 , further comprising a first terminal module and a second terminal module, the first conductive terminals comprising an upper first conductive terminal and a lower first conductive terminal, the first mating portions of the first conductive terminals comprising an upper first mating portion and a lower first mating portion, the first terminal module comprising a first insulating block and the upper first conductive terminal fixed to the first insulating block; the second terminal module comprising a second insulating block and the lower first conductive terminal fixed to the second insulating block, the upper first conductive terminal comprising a first elastic arm protruding into the first slot, the upper first mating portion being provided on the first elastic arm, the lower first conductive terminal comprising a second elastic arm protruding into the first slot, the lower first mating portion being provided on the second elastic arm.

11. The electrical connector according to claim 10 , wherein the first insulating block and the second insulating block are at least in contact with each other.

12. The electrical connector according to claim 11 , wherein the stop block abuts against the first insulating block and/or the second insulating block.

13. The electrical connector according to claim 9 , wherein the stop block is made separately from the insulating body, and the stop block is installed in the first slot.

14. The electrical connector according to claim 13 , wherein the stop block comprises an inclined guide portion to facilitate insertion of the stop block into the first slot.

15. The electrical connector according to claim 13 , wherein the stop block comprises a stop surface exposed forwardly in the first slot, and the stop surface is a vertical surface.

16. A stacked electrical connector, comprising:

an insulating body, the insulating body comprising a first mating protrusion and a second mating protrusion disposed above the first mating protrusion, the first mating protrusion comprising a first mating surface and a first slot extending through the first mating surface, the second mating protrusion comprising a second mating surface and a second slot extending through the second mating surface, the second mating protrusion being in parallel to the first mating protrusion;

a plurality of first conductive terminals, each first conductive terminal comprising a first mating portion protruding into the first slot;

a plurality of second conductive terminals, each second conductive terminal comprising a second mating portion protruding into the second slot;

a metal shell, the metal shell being assembled to the insulating body along a horizontal direction, the metal shell comprising a top wall, a bottom wall, two side walls connecting the top wall and the bottom wall, and a partition wall located between the top wall and the bottom wall; the metal shell defining a first receiving cavity and a second receiving cavity; the first receiving cavity being at least enclosed by the bottom wall, the partition wall and the two side walls, the second receiving cavity being at least enclosed by the top wall, the partition wall and the two side walls; the first receiving cavity being adapted to receive a first mating plug, the second receiving cavity being adapted to receive a second mating plug;

wherein the metal shell further comprises an installation opening extending downwardly through the partition wall and the bottom wall, the insulating body is received in the metal shell through the installation opening along a vertical direction;

wherein the electrical connector comprises a first stop portion provided on the first mating protrusion, and the first stop portion is adapted to stop further insertion of the first mating plug along the horizontal direction; and

wherein the metal shell comprises a second stop portion protruding into the second receiving cavity, and the second stop portion is adapted to stop further insertion of the second mating plug along the horizontal direction.

17. The stacked electrical connector according to claim 16 , wherein the first stop portion comprises a stop protrusion fixed to the first mating protrusion and protruding into the first receiving cavity.

18. The stacked electrical connector according to claim 16 , wherein the second stop portion comprises a stop piece integrally bent downwardly from the top wall.

19. The stacked electrical connector according to claim 16 , wherein the first stop portion comprises a stop block located at a rear end of the first slot and exposed forwardly to the first slot.

20. The stacked electrical connector according to claim 19 , wherein the stop block is made separately from the insulating body, and the stop block is installed in the first slot.