TWM519841U - Electrical connector - Google Patents

Description

Electrical connector

The present invention relates to an electrical connector, and more particularly to an anti-welding electrical connector.

For a prior art, please refer to the TWM419304U patent issued December 21, 2011, which discloses an electrical connector associated with the present invention. The electrical connector has an insulative body and a terminal module at the rear end of the insulative housing. The terminal module has a rectangular insulating carrier, a magnetic coil, a mating terminal and a mounting terminal. The insulating carrier has a front wall, a rear wall and a receiving space between the front wall and the rear wall, wherein the magnetic core of the magnetic coil is received in the receiving space. The butt terminal and the mounting terminal are located above the insulator for the enameled wire of the magnetic coil to be soldered to the circuit board, and the adjacent two conductive through holes on the circuit board are provided with conductive pads (not shown), resulting in adjacent The pad has a small direct insulation pitch, which is prone to soldering. In addition, the Chinese Patent No. CN101930837B, published on April 18, 2012, also discloses an electrical connector related to the present invention, which also has the above drawbacks.

In view of the above drawbacks, it is necessary to design an improved electrical connector.

The technical problem to be solved by the present invention is to provide an electrical connector, The conductive terminals in the electrical connector are less prone to soldering when soldered to the board.

In order to solve the above technical problem, the technical means of the present invention is: an electrical connector comprising a terminal module, the terminal module having a circuit board and a plurality of conductive terminals soldered to the circuit board, the circuit board being provided with a first a surface, a second surface, and a plurality of conductive vias penetrating the first surface and the second surface, the plurality of conductive terminals respectively passing through the respective conductive vias from the first surface and soldered to the second surface, wherein the second surface is The periphery of the conductive via is an insulating material.

Compared with the prior art, the present invention eliminates the conventional solder pads on the soldering surface of the board, so that the isolation space between the adjacent two conductive vias is increased, which reduces the problem of soldering on the small connector.

1‧‧‧ front mask housing

100‧‧‧Electrical connector

11‧‧‧Lock block

12‧‧‧Keyhole

2‧‧‧Insulated body

21‧‧‧ docking port

22‧‧‧Installation port

23‧‧‧Installation column

24‧‧‧ indicating device slot

25‧‧‧Lock hole

3‧‧‧ indicating device

31‧‧‧Lights

32‧‧‧ soldering feet

4‧‧‧Terminal module

40‧‧‧ housing trough

41‧‧‧Insulation carrier

411‧‧‧ front wall

412‧‧‧ Back wall

413‧‧‧ side wall

414‧‧‧ bottom wall

415‧‧‧ containment chamber

4151‧‧‧ shed

416‧‧‧Extension wall

417‧‧ ‧ cable trough

42‧‧‧ boards

421‧‧‧ first surface

422‧‧‧ second surface

423‧‧‧ conductive vias

424‧‧‧Electrical pads

425‧‧‧Resistors

426‧‧‧ capacitor

43‧‧‧Docking terminal

431‧‧‧Docking Department

432‧‧‧Fixed Department

433‧‧‧Weld Department

44‧‧‧Installation terminal

5‧‧‧ rear mask housing

51‧‧‧Kakong

52‧‧‧ cards

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

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

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

The fourth figure is an exploded view of the terminal module shown in the second figure.

The fifth figure is an exploded view of another perspective view of the terminal module shown in the fourth figure.

Please refer to FIG. 1 to FIG. 5 together, which is an electrical connector 100 according to the present invention, which includes a front cover shell 1, an insulative housing 2, a pointing device 3, a terminal module 4 and a rear mask housing. 5.

Please refer to the fourth to fifth figures together, the terminal module 4 has an insulating carrier 41, The circuit board 42 and the plurality of mating terminals 43 and mounting terminals 44 soldered to the circuit board 42, a plurality of magnetic cores (not shown), and a plurality of enameled wires (not shown) drawn from the magnetic core. The enameled wire wound core is used to form a transformer or a common mode choke.

The circuit board 42 is provided with a first surface 421, a second surface 422, and a plurality of conductive vias 423 extending through the first surface 421 and the second surface 422. The plurality of mating terminals 43 and the mounting terminals 44 respectively pass through the corresponding conductive vias 423. Soldering on the second surface 422 , the second surface 422 is made of an insulating material around the conductive via 423 , and the first surface 421 is provided with a conductive pad 424 around the conductive via 423 . The first surface 421 is located on the lower side of the second surface 422, and the circuit board 42 is horizontally disposed above the insulating carrier 41. A resistor 425 and a capacitor 426 are mounted on the first surface 421 of the circuit board 42.

Each of the docking terminal 43 and the mounting terminal 44 is provided with a downwardly recessed receiving groove 40. Each of the enameled wires includes a wire end and a welding section adjacent to the wire end. The wire end passes outwardly through the receiving groove 40 to receive the welding section. The inside of the storage tank 40. The receiving groove 40, the soldering portion of the enamel wire, and the conductive via 423 of the circuit board 42 are electrically connected together by dip soldering.

The insulating carrier 41 has a substantially rectangular shape, and the insulating carrier 41 has a front wall 411, a rear wall 412, two side walls 413, a bottom wall 414, and a receiving cavity 415 surrounded by the walls. The insulating carrier 41 also has an extension wall 416 that extends forwardly from the bottom of the front wall 411. The plurality of magnetic cores are received in the receiving chamber 415. The receiving chamber 415 is provided with a plurality of partitions 4151 and two chambers separated by the partitions 4151, and each of the two magnetic cores is received into the corresponding chamber. The insulating carrier 41 is further provided with a cable slot 417 located inside the front wall 411 and the rear wall 412, and the cable slot 417 is arranged to facilitate the wire of the enameled wire. operating.

The docking terminal 43 is for mating with a mating connector for mounting to an external motherboard. The mounting terminal 44 is fixed to the rear wall 412. The mating terminal 43 has a fixing portion 432 fixed to the extending wall 416 and the front wall 411, an abutting portion 431 extending rearward and upward from the front end of the extending wall 416, and the front wall 411. The welded portion 433 extends upward.

Referring to the second figure, the pointing device 3 is used to indicate the communication state of the electrical connector 100, and the indicating device 3 has the illuminant 31 and the soldering leg 31 extending backward for soldering to the external main board.

The insulating body 2 is injection molded from a plastic material. The insulative housing 2 has a docking port 21, a mounting port 22, a mounting post 23, a pointing device slot 24, and a latching hole 25. The docking port 21 is used for the insertion fit of the network plug connector RJ45. The terminal module 4 is mounted to the mounting port 22 to mate with the insulative housing 2. The mounting post 23 is for mounting to an external motherboard such as a motherboard. The indicating device slot 24 is used to indicate the installation of the device 3. The locking hole 25 is used for the locking of the network plug connector RJ45 after insertion. The abutting portion 431 of the docking terminal 43 extends into the docking port 21.

Both the front shroud housing 1 and the rear shroud housing 5 are stamped and formed from sheet metal. The front shroud housing has a lock block 11 and a lock hole 12. The rear cover housing is provided with a card hole 51 for engaging with the lock block 11 and a card 52 for extending into the lock hole 12. The front cover housing 1 and the rear cover housing 5 are latched and fitted to the outer side of the insulative housing 2 and the terminal module 4.

In summary, this creation has indeed met the requirements of the new patent, and has filed a patent application in accordance with the law. However, the above is only the preferred embodiment of this creation, the scope of this creation. The scope of the invention is not limited to the above-mentioned embodiments, and equivalent modifications or variations made by those who are familiar with the skill of the present invention in accordance with the spirit of the present invention should be included in the scope of the following patent application.

40‧‧‧ housing trough

41‧‧‧Insulation carrier

411‧‧‧ front wall

412‧‧‧ Back wall

413‧‧‧ side wall

415‧‧‧ containment chamber

4151‧‧‧ shed

416‧‧‧Extension wall

417‧‧ ‧ cable trough

42‧‧‧ boards

422‧‧‧ second surface

423‧‧‧ conductive vias

43‧‧‧Docking terminal

431‧‧‧Docking Department

44‧‧‧Installation terminal

Claims (10)

An electrical connector includes a terminal module having a circuit board and a plurality of conductive terminals soldered to the circuit board, the circuit board having a first surface, a second surface, and a first surface and a first And a plurality of conductive vias on the two surfaces, the plurality of conductive terminals respectively passing through the corresponding conductive vias from the first surface and soldered to the second surface, wherein the second surface is an insulating material around the conductive vias. The electrical connector of claim 1, wherein the first surface is provided with a conductive pad around the conductive via. The electrical connector of claim 2, wherein each of the conductive terminals is provided with a downwardly recessed receiving groove, and the terminal module further has a magnetic core and a plurality of enameled wires drawn from the magnetic core, each enameled wire The utility model comprises a wire head and a welding section close to the wire head, and the wire head passes outwardly through the receiving groove to receive the welding section in the receiving groove. The electrical connector of claim 3, wherein the receiving slot of the conductive terminal, the soldering section of the enamel wire, and the conductive via of the circuit board are electrically connected together by dip soldering. The electrical connector of claim 3, wherein the terminal module further has an insulating carrier, the insulating carrier having a front wall, a rear wall, two side walls, a bottom wall, and a housing surrounded by the walls The magnetic core is received in the receiving cavity, and each of the enameled wires is led out from the magnetic core of the receiving cavity through the corresponding conductive through hole. The electrical connector of claim 5, wherein the plurality of conductive terminals comprise a mating terminal for mating with the mating connector and a mounting terminal for mounting to the outer motherboard, the mounting terminal being secured to the rear end wall. The electrical connector of claim 6, wherein the insulating carrier further has an extending wall extending forward from a bottom of the front wall, the docking terminal being fixed to the fixing portion of the extending wall and the front wall, The abutting portion of the front end of the extending wall extending rearward and upward, and the welded portion extending upward from the front wall. The electrical connector of claim 1, wherein the first surface is located on a lower side of the second surface, and the circuit board is horizontally disposed above the insulating carrier. The electrical connector of claim 8, wherein the first surface of the circuit board is provided with a resistor and a capacitor. The electrical connector of claim 1, wherein the electrical connector further comprises indicating means for indicating a communication state of the electrical connector, the indicating device having an illuminant and a self-illuminating body extending rearward for soldering Soldering feet to the external motherboard.