Connector
An electrical connection device comprises an electrical connector, a receiving portion, and a limiting element. The electrical connector comprises a housing, a plurality of terminals supported by the housing, and a mounting face positioned at a bottom side thereof. The receiving portion is provided to the bottom side of the electrical connector and positioned in front of the mounting face and has a receiving groove extending in a front-rear direction. The limiting element is provided through the receiving groove and positioned in the receiving portion and has an abutting-retaining face inclined to the ground and facing the mounting face. When the electrical connection device is mounted to a circuit board, the mounting face is mounted to an upper surface of a circuit board, and the abutting-retaining face abuts against a front edge of a lower surface of the circuit board.
1. An electrical connection device, comprising:
an electrical connector comprising an insulative housing, a plurality of terminals provided to the insulative housing, and a mounting face positioned at a bottom side thereof;
a receiving portion provided to the bottom side of the electrical connector and positioned in front of the mounting face and having a receiving groove extending in a front-rear direction; and
a limiting element provided through the receiving groove and positioned in the receiving portion and having an abutting-retaining face inclined to the ground and facing the mounting face, at least a part of the abutting-retaining face protrudes out of a rear side of the receiving groove and being positioned under the mounting face.
2. The electrical connection device according to claim 1 , wherein the electrical connection device further comprises a positioning mechanism provided between the receiving portion and the limiting element for positioning the limiting element at different positions in the front-rear direction.
3. The electrical connection device according to claim 2 , wherein the positioning mechanism comprises at least a latching block provided to the receiving portion and a plurality of one-way latching teeth provided to the limiting element and continuously arranged, the latching block abuts against one of the latching teeth so as to position the limiting element.
4. The electrical connection device according to claim 3 , wherein the latching teeth are provided to a bottom surface of the limiting element, and the positioning mechanism further comprising at least a resilient arm provided to the receiving portion, a distal end of each of the resilient arms is provided with a latching block.
5. The electrical connection device according to claim 4 , wherein the receiving portion is integrally connected to a bottom side of the insulative housing and positioned under the insulative housing, the receiving portion has a bottom wall relative to the bottom side of the insulative housing, the distal end of the resilient arm having the latching block is provided to the bottom wall of the receiving portion.
6. The electrical connection device according to claim 5 , wherein the positioning mechanism comprises the two latching blocks, the two latching blocks are offsettingly provided in a moving direction that the limiting element can be adjusted in the front-rear direction.
7. The electrical connection device according to claim 6 , wherein the abutting-retaining face of the limiting element is provided with a plurality of abutting-retaining teeth continuously arranged.
8. The electrical connection device according to claim 7 , wherein the plurality of abutting-retaining teeth are presented as a wavy shape.
9. The electrical connection device according to claim 7 , wherein each of the plurality of terminals has a contact portion, a fixed portion connected to the contact portion and fixedly provided in the insulative housing, and a connection portion extending out of the mounting face from the fixed portion; and the connection portion is a press-fit type or a needle-eye shape.
10. The electrical connection device according to claim 9 , wherein the insulative housing comprises a front housing and a rear housing engaged with the front housing, and the front housing is provided with a plurality of terminal grooves respectively correspondingly receiving the plurality of terminals, a front segment part of a bottom side of the front housing is integrally connected to the receiving portion, a part of the bottom side of the front housing behind the receiving portion forms the mounting face.
11. The electrical connection device according to claim 10 , wherein each of the plurality of terminals is formed by two plates engaged with each other, the two plates are respectively provided with at least a set of a protruding block and a latching hole engaged with each other and are respectively provided with fixing wings protruding outwardly, the fixing wing is positioned at the fixed portion and is interferentially fitted with an inner wall of the front housing adjacent the terminal groove.
12. An electrical connection device, mounted to a circuit board, the electrical connection device comprising:
an electrical connector comprising:
an electrical connector comprising an insulative housing, a plurality of terminals provided to the insulative housing, and a mounting face positioned at a bottom side thereof, the mounting face being mounted to an upper board surface of the circuit board;
a receiving portion provided to the bottom side of the electrical connector and positioned in front of the mounting face and having a receiving groove extending in a front-rear direction; and
a limiting element provided through the receiving groove and positioned in the receiving portion and having an abutting-retaining face inclined to the ground and facing the mounting face, at least a part of the abutting-retaining face protrudes out of a rear side of the receiving groove and being positioned under the mounting face so as to abut against a front edge of a lower board surface of the circuit board.
13. The electrical connection device according to claim 12 , wherein the electrical connection device further comprises a positioning mechanism provided between the receiving portion and the limiting element for positioning the limiting element at different positions in the front-rear direction.
14. The electrical connection device according to claim 13 , wherein the positioning mechanism comprises at least a latching block provided to the receiving portion and a plurality of one-way latching teeth provided to the limiting element and continuously arranged, the latching block abuts against one of the latching teeth so as to position the limiting element.
15. The electrical connection device according to claim 14 , wherein the latching teeth are provided to a bottom surface of the limiting element, and the positioning mechanism further comprising at least a resilient arm provided to the receiving portion, a distal end of each of the resilient arms is provided with a latching block.
16. The electrical connection device according to claim 15 , wherein the receiving portion is integrally connected to a bottom side of the insulative housing and positioned under the insulative housing, the receiving portion has a bottom wall relative to the bottom side of the insulative housing, the distal end of the resilient arm having the latching block is provided to the bottom wall of the receiving portion.
17. The electrical connection device according to claim 16 , wherein the positioning mechanism comprises the two latching blocks, the two latching blocks are offsettingly provided in a moving direction that the limiting element can be adjusted in the front-rear direction.
18. The electrical connection device according to claim 17 , wherein the abutting-retaining face of the limiting element is provided with a plurality of abutting-retaining teeth continuously arranged.
19. The electrical connection device according to claim 18 , wherein the plurality of abutting-retaining teeth are presented as a wavy shape.
20. The electrical connection device according to claim 18 , wherein each of the plurality of terminals has a contact portion, a fixed portion connected to the contact portion and fixedly provided in the insulative housing, and a connection portion extending out of the mounting face from the fixed portion; and the connection portion is a press-fit type or a needle-eye shape.
21. The electrical connection device according to claim 20 , wherein the insulative housing comprises a front housing and a rear housing engaged with the front housing, and the front housing is provided with a plurality of terminal grooves respectively correspondingly receiving the plurality of terminals, a front segment part of a bottom side of the front housing is integrally connected to the receiving portion, a part of the bottom side of the front housing behind the receiving portion forms the mounting face.
22. The electrical connection device according to claim 21 , wherein each of the plurality of terminals is formed by two plates engaged with each other, the two plates are respectively provided with at least a set of a protruding block and a latching hole engaged with each other and are respectively provided with fixing wings protruding outwardly, the fixing wing is positioned at the fixed portion and is interferentially fitted with an inner wall of the front housing adjacent the terminal groove.