Electrical connector and electrical connector combination fixable on a circuit board and to conducting wires
An example electrical connector is capable of being fixed to a circuit board and includes a first insulating housing having a front end provided with a first coupling cavity and a receiving cavity provided on a lateral side of and laterally aligned with the first coupling cavity. The electrical connector includes a plurality of first conductive terminals, respectively provided on upper and lower sides of the first coupling cavity, where each first conductive terminal includes a first contact portion extending forwards and a wiring portion extending backwards. The electrical connector further includes a plurality of conducting wires, respectively connected to the wiring portions of the plurality of first conductive terminals, and a second insulating housing, inserted into the receiving cavity of the first insulating housing. The electrical connector also includes a plurality of second conductive terminals, fixed on the second insulating housing.
1 . An electrical connector, capable of being fixed to a circuit board, comprising:
a first insulating housing, having a front end provided with a first coupling cavity and a receiving cavity separately provided on a lateral side of and laterally aligned with the first coupling cavity;
a plurality of first conductive terminals, respectively provided on upper and lower sides of the first coupling cavity, each first conductive terminal comprising a first contact portion extending forwards and a wiring portion extending backwards;
a plurality of conducting wires, respectively connected to the wiring portions of the plurality of first conductive terminals;
a second insulating housing comprising a second coupling cavity, the second insulating housing and the second coupling cavity being inserted into the receiving cavity of the first insulating housing from the front end of the first insulating housing; and
a plurality of second conductive terminals, fixed on the second insulating housing, each second conductive terminal comprising a second contact portion extending forwards and a pin extending backwards, wherein the pin of a second conductive terminal of the plurality of second conductive terminals is used to be electrically connected to the circuit board.
2 . The electrical connector according to claim 1 , wherein the first contact portion of a first conductive terminal of the plurality of first conductive terminals and the second contact portion of the second conductive terminal of the plurality of second conductive terminals have the same structure, and the pin of the second conductive terminal and the wiring portion of the first conductive terminal have different structures.
3 . The electrical connector according to claim 2 , wherein the pin of the second conductive terminal comprises a middle portion with a deformable hole, and the pin has two elastically deformable arms capable of approaching each other elastically towards the deformable hole.
4 . The electrical connector according to claim 2 , wherein the wiring portion of the first conductive terminal is in the shape of a flat sheet, and at least one notch is provided in a position on the wiring portion close to a rear end, a conducting wire of the plurality of conducting wires comprising a soldering portion directly soldered to the wiring portion and a leading-out portion extending from the soldering portion.
5 . The electrical connector according to claim 4 , further comprising a protective housing provided behind the first insulating housing, the protective housing covering the soldering portions of the plurality of conducting wires and the wiring portions of the plurality of first conductive terminals, and the leading-out portions of the conducting wires extending downwards from a lower surface of the protective housing.
6 . The electrical connector according to claim 1 , wherein the plurality of second conductive terminals are respectively provided on upper and lower sides of the second coupling cavity, the second contact portion of each second conductive terminal being exposed in the second coupling cavity.
7 . The electrical connector according to claim 6 , wherein the second insulating housing further comprises a slidable protruding portion protruding outwardly from one side and a slot on a second side, the slot communicating with the second coupling cavity, and
wherein the receiving cavity further comprises a slide slot on one side used to correspondingly receive the slidable protruding portion and a rib on a second side for correspondingly extending into the slot of the second insulating housing.
8 . The electrical connector according to claim 1 , wherein the plurality of first conductive terminals are divided into upper and lower rows, the electrical connector further comprises at least one shielding plate provided between the upper and lower rows of the first conductive terminals, and the shielding plate contacts some of the plurality of first conductive terminals.
9 . The electrical connector according to claim 8 , wherein a number of the at least one shielding plate is two, one of the shielding plates being electrically coupled with at least one ground terminal of the upper row of the first conductive terminals into a first terminal module, the other shielding plate being electrically coupled with the lower row of the first conductive terminals into a second terminal module, and the first terminal module and the second terminal module being fixed to the first insulating housing from behind.
10 . An electrical connector combination according to claim 1 , wherein the electrical connector is fixed on the circuit board, an upper side of the circuit board being provided with an opening, the circuit board being provided with a plurality of electronic elements and a plurality of electrical contacts located on a side of the opening, the electrical connector being fixed in the opening, and the pins of the plurality of second conductive terminals being respectively correspondingly joined to the plurality of electrical contacts, so that the plurality of second conductive terminals are electrically connected to the plurality of electronic elements by means of the circuit board.
11 . The electrical connector combination according to claim 10 , wherein the first contact portion of a first conductive terminal of the plurality of first conductive terminals is located on a front side of the opening, and the plurality of conducting wires are located on a rear side of the opening, the second contact portion of the second conductive terminal of the plurality of second conductive terminals being also located on the front side of the opening, an electrical contact of the plurality of electrical contacts being a metalized through hole, and the pin running from the front backwards through and being connected in the electrical contact.
12 . An electrical connector, comprising:
a first insulating housing, having a front end provided with a first coupling cavity and a receiving cavity separately provided on a lateral side of and laterally aligned with the first coupling cavity;
a second insulating housing comprising a second coupling cavity, the second insulating housing and the second coupling cavity being inserted into the receiving cavity of the first insulating housing from the front end of the first insulating housing and being fixed in the receiving cavity;
a plurality of first conductive terminals, each first conductive terminal comprising a first contact portion extending forwards, a wiring portion extending backwards, and a first connecting portion located between the first contact portion and the wiring portion, the plurality of first conductive terminals being divided into upper and lower rows respectively provided on upper and lower sides of the first coupling cavity, and the plurality of first conductive terminals comprising a plurality of ground terminals and a plurality of signal terminals;
a first shielding plate, located between the upper and lower rows of the first conductive terminals, the first shielding plate being wavy, and extending in an arrangement direction of the first conductive terminals, and the first shielding plate having a plurality of first crest portions and a plurality of first trough portions arranged alternately up and down, wherein one or more of the first connecting portions of the plurality of first conductive terminals contact the first shielding plate; and
a plurality of conducting wires, respectively electrically connected to the wiring portions of the first conductive terminals.
13 . The electrical connector according to claim 12 , wherein the first shielding plate is contacted to one row of the first conductive terminals into a first terminal module, and the first crest portions or the first trough portions contact the plurality of ground terminals.
14 . The electrical connector according to claim 13 , further comprising a second shielding plate, the second shielding plate being located between the upper and lower rows of the first conductive terminals, and being contacted to the other row of the first conductive terminals into a second terminal module, the second shielding plate being wavy, and extending in the arrangement direction of the first conductive terminals, and the second shielding plate having a plurality of second crest portions and a plurality of second trough portions arranged alternately up and down, wherein only the plurality of ground terminals of the first conductive terminals contact the first shielding plate.
15 . The electrical connector according to claim 14 , wherein the first terminal module and the second terminal module are correspondingly provided with a plurality of engagement protrusions and a plurality of engagement slots engaging each other, and are combined by means of the engagement protrusions and the engagement slots, and the first terminal module and the second terminal module are both fixed in the first insulating housing.
16 . The electrical connector according to claim 13 , wherein the first connecting portions of the first conductive terminals in the upper row are arranged along the same level into one row, wherein at least four of the first conductive terminals are arranged in a ground terminal-signal terminal-signal terminal-ground terminal manner, wherein two ground terminals located on two sides respectively contact two first crest portions adjacent thereto, and two signal terminals located in the middle are spaced apart in an up-down direction from a first trough portion between adjacent two first crest portions by a spacing.
17 . The electrical connector according to claim 12 , further comprising a plurality of second conductive terminals fixed on the second insulating housing, wherein each second conductive terminal comprises a second contact portion extending forwards and a pin extending backwards.
18 . The electrical connector according to claim 12 , wherein at least one notch is provided in a position on a wiring portion of the wiring portions close to a rear end, and a conducting wire of the plurality of conducting wires is directly connected to the wiring portion of the corresponding first conductive terminal.
19 . The electrical connector according to claim 18 , wherein a second notch is provided opposite a side of the at least one notch on the wiring portion close to the rear end, and the conducting wire is soldered to a position in front of the at least one notch.
20 . The electrical connector according to claim 18 , wherein a second notch is provided at the rear end of the wiring portion, and the conducting wire is directly soldered to the wiring portion of the first conductive terminal.