TWI396333B - Electrical connector - Google Patents

Description

Electrical connector

The invention relates to an electrical connector with a terminal module, in particular to a structure in which a mating terminal of the electrical connector terminal module cooperates with a built-in circuit board.

Please refer to US Pat. No. 6,872,098, which discloses an electrical connector that can be mounted on a main circuit board and includes a terminal module including a pair of terminal sets and a built-in circuit board And a plurality of electronic components disposed on the built-in circuit board, the built-in circuit board is provided with a conductive through hole in a middle portion thereof parallel to the main circuit board, and the docking terminal group is provided with a tongue plate parallel to the main circuit board and mounted on the tongue plate The butt terminal has a leveling portion and a soldering portion bent and extended from one end of the leveling portion, and the soldering portion is cooperatively connected with the conductive through hole of the built-in circuit board. In the setting of the docking terminal set, the length of the tongue plate needs to extend to be aligned with the conductive through hole of the built-in circuit board, the length of the tongue plate is large, and the length of the leveling portion of the mating terminal is also long, and more materials are needed, and The structure is complex, the assembly is complicated, and the cost is high. In addition, the conductive through hole of the built-in circuit board is disposed at the middle position to divide the built-in circuit board into upper and lower parts, which is disadvantageous for automatic soldering of electronic components.

US Pat. No. 6,736,673 discloses an electrical connector including a terminal module, the terminal module further comprising a mating terminal set and a built-in circuit board disposed on opposite sides of the mating terminal set, the docking terminal set being parallel to each other a second tongue plate and a mating terminal disposed on the tongue plate, the pair of tongue plates being arranged in a stepped manner, the butt terminal is provided with a leveling portion and a welding portion formed by bending the end of the leveling portion, the leveling portion is subjected to two times The vertically bent portion is received in the first tongue plate, partially received in the second tongue plate, the welded portion extends from the second insulating body, and the built-in circuit board is at the top end thereof. A conductive through hole is provided, and the welded portion is coupled with the conductive through hole. This kind of setting of the docking terminal group has sufficient space for the automatic welding of the electronic components on the built-in circuit board. However, in this kind of setting, the length of the docking terminal is long, and a plurality of tongue plates carrying the butting terminals are required to be arranged. Complex and costly.

Chinese Patent Publication No. CN201160177 discloses an electrical connector including a terminal module, the terminal module further comprising a docking terminal group and a built-in circuit board disposed on both sides of the docking terminal group, the docking terminal group being provided with each other a first and a second tongue plate disposed vertically and a mating terminal disposed in the pair of tongue plates, wherein the butt terminal has first and second level portions perpendicular to each other, and the first level portion is respectively received in the first tongue plate The second level is respectively received in the second tongue. This kind of setting of the docking terminal group has sufficient space for the automatic welding of the electronic components on the built-in circuit board. However, in this kind of setting, the length of the docking terminal is long, and a plurality of tongue plates carrying the butting terminals are required to be arranged. Complex and costly.

Therefore, it is necessary to improve the prior art to meet the requirements of simple structure, simple assembly, low cost, and automatic welding of electronic components in the electrical connector.

It is an object of the present invention to provide an electrical connector that is simple in construction, simple in assembly, low in cost, and capable of automated soldering of electronic components within an electrical connector.

The purpose of the present invention is achieved by the following technical solutions: an electrical connector that can be mounted on a main circuit board, the electrical connector including an insulative housing having a docking space and a terminal module received in the insulative housing, the terminal mold The group further includes a built-in circuit board and a plurality of mating terminals electrically connected to the dockable connector, each of the mating terminals includes a level extending along the mating direction of the mating connector, and the end of the leveling portion is bent and extended into the docking space for The butting portion electrically connected to the mating connector is a welded portion that is bent and extended from the other end of the leveling portion, and the built-in circuit board is provided with a flat portion and an extending portion extending from the flat portion, and the soldering portion and the extending portion are electrically connected to each other Docking connector connection To the built-in board.

Compared with the prior art, the electrical connector of the present invention only provides a tongue plate for the docking terminal group and reduces the length of the docking terminal, and extends the position of the built-in circuit board corresponding to the docking terminal group to cooperate with the docking terminal. This arrangement not only saves the required space for the automatic welding of the electronic components and the magnetic coil on the built-in circuit board, but also simplifies the structure of the docking terminal group, simplifies the structure of the tongue plate and the mating terminal, and is simple in assembly and cost-competitive. small.

100‧‧‧Electrical connector

200‧‧‧ main board

1‧‧‧Insulating body

11‧‧‧ docking space

13‧‧‧ accommodating space

15‧‧‧First storage trough

17‧‧‧Second holding trough

3‧‧‧Terminal module

31‧‧‧ Subject

311‧‧‧ side

313‧‧‧ containment chamber

33‧‧‧Docking terminal set

330‧‧‧Levels

331‧‧‧ tongue plate

332‧‧‧Docking Department

333‧‧‧ docking terminal

334‧‧‧Weld Department

335‧‧‧ first side

337‧‧‧ second side

35‧‧‧ Built-in board

350‧‧‧First conductive via

351‧‧‧ Flat section

352‧‧‧ Magnetic coil

353‧‧‧ Extension

354‧‧‧ indicator light

355‧‧‧ inside

356‧‧‧Electronic components

357‧‧‧Outside

358‧‧‧Second conductive via

359‧‧‧ Third conductive via

37‧‧‧Transfer terminal set

371‧‧‧Terminal Block

373‧‧‧Transfer terminal

375‧‧‧Signal adapter

377‧‧‧LED adapter terminal

5‧‧‧Lighting device

7‧‧‧Light pipe

9‧‧‧Shaded housing

The first figure is an assembled view of the electrical connector in accordance with the present invention.

The second drawing is an exploded perspective view of the electrical connector of the present invention.

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

The fourth figure is an exploded view of the mating terminal set of the electrical connector shown in the third figure.

Please refer to the first to fourth figures, which are disclosed as an electrical connector 100 in accordance with the present invention. The electrical connector 100 is an electrical connector mountable on the main circuit board 200, including an insulative housing 1. The terminal module 3 of the insulative housing 1 , the light-emitting device 5 , the light guide tube 7 , and the shielding case 9 covering the periphery of the insulative housing 1 .

The insulative housing 1 is provided with a docking space 11 into which a mating connector (not shown) is inserted, and a receiving space 13 for receiving the terminal module 3. A first receiving groove 15 for accommodating the light guide tube 4 is disposed above the docking space 11 , and a second receiving groove 17 for receiving the light emitting device 3 is disposed below the docking space 11 .

Referring to the second and third figures, the terminal module 3 is provided with an insulating main body 31, a pair of butt terminal groups 33 disposed at the front end of the main body 31, and a pair of parallel spacers disposed on opposite sides of the main body 31. The built-in circuit board 35 and the adapter terminal set 37 disposed under the main body 31.

The main body 31 is provided with opposite side surfaces 311, and each side surface 311 is concavely disposed with a receiving cavity 313.

Referring to the fourth figure, the docking terminal set 33 is provided with a tongue 331 and a plurality of mating terminals 333 mounted on the tongue 331. The tongue 331 is provided with a first side 335 and a second side 337 which are perpendicular to each other. Each of the mating terminals 333 is provided with a leveling portion 330, an abutting portion 332 bent from one end of the leveling portion 330, and a welded portion 334 bent perpendicularly from the other end of the leveling portion 330. The welded portions 334 of the plurality of conductive terminals 333 are spaced apart The two rows of soldering portions 334 are connected to the built-in circuit board 35 at different height positions from the main circuit board 200. The welded portion 334 does not extend directly below the abutting portion 332 in the insertion direction of the mating connector (not shown), and the bending direction of the welded portion 334 is parallel to the main circuit board 200. The leveling portion 330 is received in the tongue 331 from the first side 335 of the tongue 331, and the welded portion 334 extends from the second side 337 to the tongue 331.

The built-in circuit board 35 is provided with a flat plate portion 351 and an extending portion 353 extending from the flat plate portion 351. The flat plate portion 351 and the extending portion 353 are formed in an inverted T shape. The internal circuit board 35 has an opposite inner side surface 355 and an outer side surface 357. The inner side surface 355 is provided with a plurality of magnetic coils 352, and the outer side surface 357 is provided for indicating that the electrical connector 100 and the mating connector (not shown) are cooperatively connected. An LED (Light Emitting Diode) 354 and a plurality of electronic components 356 in a working state. The flat portion 351 is provided with a plurality of first conductive vias 350 and second conductive vias 358 at one end thereof adjacent to the main circuit board 200. The extending portion 353 is provided with a plurality of third conductive vias 359 parallel to the main circuit board 200. The first, second, and third conductive vias 350, 358, and 359 and the electronic components 356 and 354 are electrically connected by a conductive path (not shown).

The adapter terminal set 37 is provided with a terminal block 371 and a plurality of transfer terminals 373. The transfer terminal 373 includes a signal transfer terminal 375 and an LED transfer terminal 377.

When assembling the electrical connector 100, the mating terminal set 23 is first assembled to the front end of the main body 31, and the transfer terminal set 37 is assembled under the main body 31, and then the built-in circuit board 35 is assembled to the main body 31. On the side, the terminal module 3 is formed. Then, the soldering portion 334 of the mating terminal 333 is soldered to the third conductive via 359 of the extending portion 353 of the built-in circuit board 35, and the signal switching terminal 375 of the switching terminal group 37 is soldered to the first conductive via 350, and the LED is switched. The terminal 377 is soldered to the second conductive via 358. At this time, the magnetic coil 352 of the inner side surface 355 of each of the built-in circuit boards 35 is received in the receiving cavity 313 of the main body 31, and the signal switching terminal 375 and the LED switching terminal 377 are located inside the built-in circuit board 35.

The assembled terminal module 3 is then placed in the receiving space 13 of the insulative housing 1. The mating terminal is extended and received in the docking space 11, and the light guiding tube 7 is connected to the LED 354 of the built-in circuit board 35. Then, the shield case 9 is reinserted. Finally, the entire assembled electrical connector 100 is connected to the main circuit board 200, and the signal transfer terminal 375 and the LED transfer terminal 377 are soldered to the main circuit board 200.

The electrical connector 100 of the present invention only provides a tongue 331 for the docking terminal set 33 and reduces the length of the mating terminal 333, and extends the position of the built-in circuit board 35 corresponding to the docking terminal set 33 out of a portion 353 for mating with the mating terminal. In this way, not only the space required for the automatic soldering of the electronic component and the magnetic coil 352 on the built-in circuit board 35 is saved, but also the structure of the docking terminal group 33 is simplified, and the structure of the tongue plate 331 and the mating terminal 333 is simplified. And the assembly is simple and the cost is small.

In summary, the creation has indeed met the requirements of the invention patent, and the patent application was filed according to law. However, the above-mentioned embodiments are merely preferred embodiments of the present invention, and the scope of the present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make equivalent modifications or variations in accordance with the spirit of the present invention. It should be covered by the following patent application.

33‧‧‧Docking terminal set

330‧‧‧Levels

331‧‧‧ tongue plate

332‧‧‧Docking Department

333‧‧‧ docking terminal

334‧‧‧Weld Department

335‧‧‧ first side

337‧‧‧ second side

Claims (8)

An electrical connector can be mounted on the main circuit board and can be inserted into the mating connector in parallel with the main circuit board. The electrical connector includes: an insulative housing, the insulative housing is provided with two docking spaces stacked on top of each other and a partition wall between the two docking spaces; and a terminal module received in the insulative housing, the terminal module further comprising: a pair of built-in circuit boards, each of the built-in circuit boards being perpendicular to the main circuit board and extending in the front-rear direction; And a plurality of docking terminals, comprising: a plurality of upper mating terminals and a plurality of lower mating terminals respectively disposed between the pair of built-in circuit boards and corresponding to the upper docking space and the lower docking space, wherein the upper and lower docking terminals each include a rearward extending level One end of the self-leveling portion is bent upward or downward to extend into the upper docking space or the docking portion of the lower docking space for electrically connecting with the mating connector, and the other end of the leveling portion is perpendicular to the built-in circuit board to the left or right. a bent portion extending to be respectively connected to the pair of built-in circuit boards; wherein the built-in circuit board is provided with a flat portion on the rear side of the docking space Extension extends forwardly of the plate portion, the weld portion and the extension portion is connected electrically to connect the mating connector to the built-in circuit board. The electrical connector of claim 1, wherein at least a portion of the soldering portions of the upper and lower mating terminals do not extend directly below the mating portion in the insertion direction of the mating connector. The electrical connector of claim 1, wherein the soldering portions of the upper and lower mating terminals are spaced apart from each other in two rows, and the two rows of soldering portions are connected to the built-in circuit board at different heights from the main circuit board. The electrical connector of claim 1, wherein the terminal module further has a tongue plate The tongue plate is disposed parallel to the main circuit board. The tongue plate is provided with a first side and a second side perpendicular to each other. The leveling portion is received in the tongue plate from the first side, and the welded portion extends from the second side to the tongue plate. . The electrical connector of claim 1, wherein the terminal module further includes an adapter terminal set disposed under the docking terminal and the built-in circuit board, wherein the adapter terminal group includes a terminal block and is mounted on the terminal The plurality of transfer terminals on the seat, the transfer terminals include a signal transfer terminal and an LED transfer terminal, and the signal transfer terminals and the LED transfer terminals are disposed on the same side of the built-in circuit board. The electrical connector of claim 5, wherein the built-in circuit board is further provided with an indicator light, and the indicator light is electrically connected to the LED adapter terminal through the built-in circuit board. The electrical connector of claim 5, wherein the pair of built-in circuit boards are disposed on two sides of the mating terminal, and the set of the transfer terminals are disposed between the built-in circuit boards, and each built-in circuit board corresponds to a signal turn. The connection terminal is provided with a first conductive through hole, and the corresponding LED transfer terminal is provided with a second conductive through hole. The electrical connector of claim 5, wherein the terminal module further comprises a main body having opposite sides, the built-in circuit board is mounted on each side, and each side is recessed inwardly. In the receiving cavity, each of the built-in circuit boards has an inner side surface and an outer side surface which are oppositely disposed, and the inner side surface is provided with a plurality of magnetic coils, and when the built-in circuit board is loaded into the main body, the coils are housed in the receiving cavity.