TWI489710B - Electrical connector - Google Patents

Description

Electrical connector

The present invention relates to an electrical connector, and more particularly to an electrical connector mounted to a circuit board.

With the rapid development of current communication and digital electronic technology, while improving the functions of related devices, the structure of each device is also required to be simplified, so as to simplify the processing and manufacturing process of the product, improve the assembly efficiency, and then stabilize and reduce. The production cost of the product is adapted to the increasingly competitive market demand.

A conventional electrical connector generally includes an insulative housing and a plurality of conductive terminals and a plurality of signal terminals received in the insulative housing. When the existing electrical connector is docked with the docking connector, the signal terminal usually needs to transmit the signal through the cable to the docking connector. However, the connection between the signal terminals and the cables is often complicated, resulting in difficulties in assembling the existing electrical connectors, resulting in inefficient production, high cost, and unfavorable market competition.

In view of this, it is necessary to further improve the existing electrical connector to solve the above problems.

It is an object of the present invention to provide an electrical connector that is simple to assemble.

To achieve the above object, the present invention relates to an electrical connector including an insulative housing, a plurality of pairs of conductive terminals, and a plurality of signal terminals. The insulative housing has a plurality of terminal receiving slots for receiving the plurality of pairs of the plurality of conductive terminals and the plurality of signal terminals. The signal terminal includes an insertion portion, at least one extending outward from one end of the insertion portion, and a docking connection The contact portion of the device and the at least one of the pins extending from the other end of the insertion portion for electrically connecting to the cable, and the cross section of the pin is U-shaped, and the electrical connector further includes the foregoing The signal terminal is coupled with the assembled cable assembly. The cable assembly includes two sidewalls and a second receiving cavity defined by the two sidewalls. The pin is received in the second receiving cavity, and the two The side wall further has a holding piece elastically extending toward the second receiving cavity to hold the pin to ensure a reliable electrical connection between the pin and the cable.

As a further improvement of the present invention, the electrical connector further includes a receiving space for receiving the cable assembly.

As a further improvement of the present invention, each of the pair of conductive terminals includes a base portion, a latching portion extending outward from one end of the base portion, a contact portion extending outward from the other end of the base portion, and a transition region connecting the base portion and the contact portion, and The two conductive terminals of each of the foregoing conductive terminal pairs are arranged in mirror symmetry.

As a further improvement of the present invention, at least one side of each of the two contact portions of each of the pair of conductive terminals is provided with a cantilever that is elastically suspended from the outer surface of the contact portion, and the cantilever extends toward the latching portion.

According to a further improvement of the present invention, the terminal receiving groove includes a groove for receiving the cantilever, and the groove prevents the cantilever from being separated from the insulating body in the front-rear direction.

As a further improvement of the present invention, the insulative housing further includes a plurality of escape holes disposed in parallel with the terminal receiving slots, and at least one of the escape holes is disposed between the adjacent two terminal receiving slots.

As a further improvement of the present invention, the inner wall of the terminal receiving groove is provided with heat dissipation The through slot is configured such that the terminal receiving groove communicates with the adjacent escape hole.

As a further improvement of the present invention, the front end of the terminal receiving groove is provided with a stopper, and the inner wall of the rear end of the terminal receiving groove is provided with a notch communicating with the heat dissipation through groove.

As a further improvement of the present invention, the inner wall of the terminal receiving groove is further provided with a plurality of guiding blocks, the guiding block has an inclined guiding surface, and the pair of conductive terminals are closely attached to the guiding block, so that the foregoing A gap is formed between the pair of conductive terminals and the inner wall of the terminal receiving groove.

According to a further improvement of the present invention, the electrical connector further includes a card and a retaining member that cooperate with the latching portion of the pair of conductive terminals to secure the pair of conductive terminals in the terminal receiving groove.

The electrical connector of the present invention comprises a plurality of signal terminals provided with two contact portions and two pins, and a cable assembly portion for accommodating the pins to be assembled with the signal terminals, so that the signal terminals and the cables are connected. The assembly is convenient, so that the assembly process of the electrical connector of the present invention is simple.

As shown in the first to third embodiments, the electrical connector 100 of the present invention includes an insulative housing 10 and a plurality of pairs of conductive terminals 20 and a plurality of signal terminals 30 received in the insulative housing 10.

Referring to the fourth and fifth figures, and in conjunction with the third figure, the insulative housing 10 is provided with a plurality of terminal receiving slots for receiving the plurality of conductive terminal pairs 20 and the plurality of signal terminals 30, respectively. In the present embodiment, the plurality of conductive terminal pairs 20 and the front The shape of the plurality of signal terminals 30 is different, and the shape of the first terminal receiving slot 11 for receiving the plurality of conductive terminal pairs 20 and the second terminal receiving slot 12 for receiving the plurality of signal terminals 30 are also different. .

The insulative housing 10 further includes a plurality of escape holes 13 disposed in parallel with the plurality of first terminal receiving slots 11 , and two of the escape holes 13 are disposed between the adjacent two first terminal receiving slots 11 . The inner wall of the first terminal receiving groove 11 is provided with a heat dissipation through groove 14 , so that the escape hole 13 communicates with the adjacent first terminal receiving groove 11 , and the inner wall of the first terminal receiving groove 11 is on the foregoing A guiding block 15 is further disposed above and below the heat dissipation through-groove 14 , and the guiding block 15 has an inclined guiding surface 151 , so that the pair of conductive terminals 20 are closely attached to the guiding block 15 , so that the foregoing A large gap is formed between the pair of conductive terminals 20 and the inner wall of the first terminal receiving groove 11, and a plurality of channels 16 are further disposed on the inner wall of the first terminal receiving groove 11. The heat generated by the pair of conductive terminals 20 in the first terminal receiving groove 11 can be dissipated by the engagement of the gap with the heat dissipation through groove 14 and the gap between the gap and the channel 16.

The front end of the first terminal receiving groove 11 is provided with a stopper 17, and the first terminal receiving groove 11 is provided with a first receiving cavity 18 at the rear end thereof, and the inner wall of the first receiving cavity 18 is provided with a notch 181, the concave The port 181 is in communication with the heat dissipation through-groove 14 so that the heat generated by the pair of conductive terminals 20 in the first terminal receiving groove 11 can be dissipated through the recess 181 and the heat dissipation through groove 14.

Referring to the sixth and seventh figures, and in combination with the third and fourth figures, each of the pair of conductive terminals 20 includes a base portion 21 having a flat shape, and a latching portion 22 extending outward from one end of the base portion 21, a contact portion 24 extending outward from the other end of the base portion 21 and connecting the foregoing The base portion 21 and the transition portion 23 of the contact portion 24, and the two conductive terminals of each of the foregoing conductive terminal pairs 20 are arranged in mirror symmetry. A transition zone 23 is also provided between the base portion 21 and the latching portion 22, and the latching portion 22 is bent substantially perpendicular to the base portion 21, and the latching portion 22 is provided with a hole 28. Each of the two sides of the contact portion 24 of each of the pair of conductive terminals 20 is provided with a cantilever 25 that is elastically suspended from the outer surface of the contact portion 24, and the cantilever 25 extends toward the latching portion 22. The stopper 17 is configured to abut the contact portion 24, and the channel 16 is configured to receive the cantilever 25, thereby preventing the cantilever 25 from being separated from the insulative housing 10 in the front-rear direction, by the contact portion 24 and the stopper 17 The engagement of the cantilever 25 with the channel 16 can limit the displacement of the pair of conductive terminals 20 along the length, width and height of the electrical connector 100. The electrical connector 100 further includes a card 26 and a retaining member 27 that cooperate with the latching portion 22 of the pair of conductive terminals 20, and the retaining member 27 passes through the hole 28 and cooperates with the card 26 to The pair of conductive terminals 20 are secured in the first terminal receiving groove 11 described above.

Referring to FIG. 8 and in conjunction with the third embodiment, the signal terminal 30 includes an insertion portion 31 received in the second terminal receiving groove 12 and having a flat shape, and two contacts extending outward from one end of the insertion portion 31. The portion 32 and the two pins 33 extending outward from the other end of the insertion portion 31, and the two contact portions 32 are disposed on the same straight line as the two pins 33. The electrical connector 100 of the present invention further includes a cable assembly portion 40 that is assembled with the signal terminal 30 and a receiving space 50 for receiving the cable assembly portion 40. The cable assembly portion 40 includes two side walls 41. A second receiving cavity 42 is formed between the two side walls 41 for receiving the pins 33. The two side walls 41 are further disposed toward the second side. The cavity 42 is elastically overhanged to hold the latching piece 43 of the aforementioned lead 33. The signal terminal 30 can be secured in the second terminal receiving slot 12 by the engagement of the latching piece 43 with the pin 33 of the signal terminal 30 and the engagement of the receiving space 50 with the cable assembly portion 40. Therefore, the signal transmission effect of the electrical connector 100 of the present invention is better.

In this embodiment, the cross-sections of the two pins 33 are U-shaped, so that the contact area between the two pins 33 and the cable assembly 40 can be increased; the two contact portions 32 are butted. A connector (not shown) is connected to receive and transmit signals to the two pins 33, and the two pins 33 received in the second receiving cavity 42 are connected to the cable to transmit the signal. The signal terminal 30 of the electrical connector 100 of the present invention can be used as both a male terminal and a female terminal.

It is to be understood that the equivalents of the invention are intended to be included within the scope of the invention as claimed.

100‧‧‧Electrical connector

10‧‧‧Insulated body

11‧‧‧First terminal receiving slot

12‧‧‧Second terminal receiving slot

13‧‧‧Escape hole

14‧‧‧Solution through slot

15‧‧‧Guiding block

151‧‧‧ Guide surface

16‧‧‧ channel

17‧‧ ‧block

18‧‧‧First containment chamber

181‧‧‧ notch

20‧‧‧Electrical terminal pairs

21‧‧‧ base

22‧‧‧Detention Department

23‧‧‧Transition zone

24,32‧‧Contacts

25‧‧‧ cantilever

26‧‧‧ cards

27‧‧‧ holding parts

28‧‧‧ hole

30‧‧‧ Signal Terminal

31‧‧‧ Insertion Department

33‧‧‧ pin

40‧‧‧ Cable Assembly

41‧‧‧ side wall

42‧‧‧Second containment chamber

43‧‧‧Card pieces

50‧‧‧ accommodating space

The first figure is a perspective view of the electrical connector of the present invention.

The second figure is another perspective view of the electrical connector shown in the first figure.

The third figure is an exploded view of the electrical connector shown in the second figure.

The fourth figure is a perspective view of the insulative housing of the electrical connector shown in the first figure.

The fifth figure is another perspective view of the insulating body shown in the fourth figure.

Figure 6 is a perspective view of the pair of conductive terminals of the electrical connector shown in the first figure.

The seventh figure is a perspective view of one of the conductive terminals shown in the sixth figure.

The eighth figure is an exploded perspective view of the signal terminal of the electrical connector shown in the first figure, which is assembled with the cable assembly portion and the receiving space.

31‧‧‧ Insertion Department

32‧‧‧Contacts

33‧‧‧ pin

40‧‧‧ Cable Assembly

41‧‧‧ side wall

42‧‧‧Second containment chamber

43‧‧‧Card pieces

50‧‧‧ accommodating space

Claims (10)

An electrical connector includes an insulative housing, a plurality of pairs of conductive terminals, and a plurality of signal terminals. The insulative housing has a plurality of terminal receiving slots for receiving the plurality of pairs of conductive terminals and the plurality of signal terminals, wherein the signal terminals include an insertion portion, At least one contact portion extending from one end of the insertion portion and abutting the opposite end of the insertion portion and at least one pin extending from the other end of the insertion portion for electrically connecting to the cable, and the foregoing pin The electrical connector further includes a cable assembly portion that is assembled with the signal terminal, and the cable assembly portion includes two sidewalls and a second receiving cavity defined by the two sidewalls The pin is received in the second receiving cavity, and the two side walls are further provided with a clamping piece elastically extending toward the second receiving cavity to hold the pin to maintain the pin and the cable. Reliable electrical connection. The electrical connector of claim 1, wherein the electrical connector further includes a receiving space for receiving the cable assembly. The electrical connector of claim 1, wherein each of the pair of conductive terminals comprises a base portion, a latching portion extending outward from one end of the base portion, a contact portion extending outward from the other end of the base portion, and connecting the base portion with The transition region of the contact portion, and the two conductive terminals of each of the foregoing conductive terminals are arranged in mirror symmetry. The electrical connector of claim 3, wherein at least one side of each of the two contact portions of each of the pair of conductive terminals is provided with a cantilever that elastically overhangs the outer surface of the contact portion, and the cantilever is oriented toward the foregoing The buckle is extended. The electrical connector of claim 4, wherein the terminal receiving groove includes a channel for receiving the cantilever, the channel prevents the cantilever from being disengaged in the front-rear direction The aforementioned insulating body. The electrical connector of claim 1, wherein the insulative housing further comprises a plurality of escape holes disposed in parallel with the terminal receiving groove, and at least one of the foregoing escape materials is disposed between two adjacent terminal receiving grooves. hole. The electrical connector of claim 6, wherein the inner wall of the terminal receiving groove is provided with a heat dissipation through groove, so that the terminal receiving groove communicates with the adjacent escape hole. The electrical connector of claim 7, wherein the front end of the terminal receiving groove is provided with a stopper, and the inner wall of the rear end of the terminal receiving groove is provided with a notch communicating with the heat dissipation through groove. The electrical connector of claim 7, wherein the inner wall of the terminal receiving groove further comprises a plurality of guiding blocks, wherein the guiding block has an inclined guiding surface, and the pair of conductive terminals are closely attached to The guiding block has a gap formed between the pair of conductive terminals and an inner wall of the terminal receiving groove. The electrical connector of claim 4, wherein the electrical connector further includes a card and a retaining member that cooperate with the latching portion of the pair of conductive terminals to secure the pair of conductive terminals to the terminal receiving slot Inside.