TWI424617B - Electrical connector - Google Patents

Description

Electrical connector

The present invention relates to an electrical connector, and more particularly to an electrical connector for connecting a processor and circuitry.

The electrical connection device for connecting the wafer module is usually assembled on a circuit board, which comprises an insulating body and a plurality of conductive terminals assembled in an array in the insulating body. One end of the conductive terminal is soldered to the circuit of the circuit board, and the other end is in contact with the electrical conductor at the bottom of the chip module, thereby achieving electrical conduction between the chip module and the circuit board.

The conductive terminals of the prior art electrical connection devices are generally spring probe type and are disposed in the insulative housing. The electrical connection device is designed to be smaller in size due to the miniaturization trend of the electronic product. The spring probe type conductive terminal cannot meet the miniaturization requirement of the electrical connection device because of the complicated terminal structure; and the spring probe type conductive terminal Because of the lack of a better shielding design, crosstalk between the closely arranged terminals is prone to occur, resulting in poor signal transmission.

Therefore, it is desirable to provide an electrical connector that is simpler in structure, easier to manufacture, and has a good shielding effect.

It is an object of the present invention to provide an electrical connector that is simpler and smaller in structure, convenient to manufacture, and has a good shielding effect.

The object of the present invention is achieved by the following technical solutions: an electrical connector for electrically connecting a processor and a circuit, comprising first, second, and third insulators stacked on top of each other, the three being connected to each other a second, third through hole, the conductive terminal portion is received in the through hole, and protrudes from the first and third through holes to electrically connect the processor and the circuit, and the second insulator is A second metal plating layer is disposed on one of the lower horizontal planes, and a plurality of shielding holes are disposed on the outer side of the second through hole, and a third metal plating layer electrically connected to the second metal plating layer is disposed on the inner wall of each of the shielding holes.

Compared with the prior art, the electrical connector of the present invention replaces the insulating body and the shielding body with a mature and inexpensive printed circuit board, and has a simple structure and low cost, and the metal plating layer of the printed circuit board can better serve the conductive terminal. Shading effect.

1‧‧‧First insulator

100‧‧‧Electrical connector

11‧‧‧ first through hole

110‧‧‧First limit surface

15‧‧‧First mounting hole

2‧‧‧Printed circuit board

20‧‧‧Second metal plating

21‧‧‧Second through hole

22‧‧‧Shading hole

220‧‧‧First metal plating

24‧‧‧Second insulator

25‧‧‧Second mounting hole

3‧‧‧ Third insulator

31‧‧‧ third through hole

310‧‧‧ third limit surface

35‧‧‧ Third mounting hole

4‧‧‧Electrical terminals

41‧‧‧First conductor

410‧‧‧First Guide

411‧‧‧First Limitation Department

412‧‧‧Guidance

413‧‧‧Cars Department

42‧‧‧Flexible parts

43‧‧‧Second conductor

430‧‧‧Second Guide

431‧‧‧Second Limitation

432‧‧‧Flexible arm

433‧‧‧ accommodating space

434‧‧‧ protruding parts

Figure 1 is a perspective assembled view of the electrical connector of the present invention.

Figure 2 is an exploded perspective view of the electrical connector of the present invention.

Figure 3 is an exploded perspective view of another angle of the electrical connector of the present invention.

Figure 4 is an exploded view of the conductive terminals of the electrical connector of the present invention.

Figure 5 is a partial cross-sectional view of the electrical connector of the present invention.

Referring to the first to fifth figures, an electrical connector 100 of the present invention is used to electrically connect a processor (not shown) and a printed circuit board (not shown) including a first insulator 1. The printed circuit board 2, the third insulator 3, and the conductive terminals 4.

The conductive terminal 4 includes a signal terminal (not shown), a ground terminal (not labeled), a power terminal (not labeled), and the like. The conductive terminal 4 includes a first conductor 41 and a second conductor 43 that are assembled together in an orthogonal manner, and a compressed elastic member 42 that is disposed between the first conductor 41 and the second conductor 43 .

The second electrical conductor 43 is provided with a second guiding portion 430 in the shape of a sword. A pair of second limiting portions 431 perpendicular to the second guiding portion 430 protrude from the top end of the second guiding portion 430 to abut against the elastic member 42. The second limiting portion 431 extends vertically upwardly with a pair of oppositely disposed resilient arms 432. A receiving space 433 is formed between the two elastic arms 432 for moving the first electrical conductor 41 relative to the second electrical conductor 43. The end of the elastic arm 432 extends inwardly with a projection 434.

The first conductor 41 is provided with a first conductive portion 410 of a "V" shape. A pair of first limiting portions 411 are horizontally extended from the bottom end of the first guiding portion 410, and the elastic members 42 are assembled to the second electrical conductor together with the second limiting portion 431 of the second conductive body 43. Between the 43 and the first conductor 41, the elastic member 42 supplies the first and second conductors 41, 43 with a restoring force for the conductive terminal 4 to be rebounded after being pressed. The first limiting portion 411 is vertically downwardly provided with a guiding portion 412 at a central position. The guiding portion 412 is thinner than the first limiting portion 411. The end of the guiding portion 412 protrudes outwardly from the holding portion 413, the holding portion 413, the guiding portion 412, the first limiting portion 411, and the protruding portion. The 434 is matched to provide a longitudinal limiting function of the conductive terminal 4 to prevent the second electrical conductor 43 from being detached from the first electrical conductor 41.

The first insulator 1, the printed circuit board 2, and the third insulator 3 are stacked from top to bottom, and are provided with a first corresponding first through hole 11 and a second through hole 21 for partially receiving the conductive terminal 4. The third through hole 31, the first and second guiding portions 410, 430 of the conductive terminal 4 respectively protrude from the first and third through holes 11, 31 to electrically connect the processor and the printed circuit board. The first insulator 1, the printed circuit board 2, and the third insulator 3 are further provided with a corresponding first, second, and third mounting holes 15, 25, 35 for the mounting member (not shown) to pass through. And tie the three together.

The first and third through holes 11 and 31 of the first and third insulators 1 and 3 are stepped, and the structures are upper narrow and lower width and upper width and lower narrow, stepped first and third through holes 11 and 31, respectively. The first and third limiting surfaces 110 and 310 are respectively disposed to abut the first and second limiting portions 411 and 431 of the conductive terminal 4 to hold the conductive terminal 4 to the insulator. In other embodiments, the diameters of the first and third through holes 11 and 31 may be directly smaller than the second through holes 21, and the first and third insulators 1 and 3 may be directly used to hold the first of the conductive terminals 4. Second limiting portions 411 and 431.

The printed circuit board 2 includes a second insulator 24 and a second metal plating layer 20 disposed on at least one horizontal surface of the second insulator 24. The second metal plating layer 20 shields the conductive terminals 4 received in the printed circuit board 2. a plurality of second through holes 21 penetrating through the printed circuit board 2, the second through holes 21 being used for receiving a first signal hole 220 is plated on the inner wall of the second through hole 21 for receiving the ground terminal; the first and second metal plating layers 220 and 20 are electrically connected to each other through the ground terminal The charge of the second metal plating layer 20 is well grounded. The outer side of the second through hole 21 is further provided with a plurality of shielding holes 22 penetrating the printed circuit board 2, and the inner wall of the shielding hole 22 is plated with a third metal plating layer (not labeled), which is electrically connected to the second metal plating layer 20, It is also possible to achieve a better electromagnetic shielding function for the conductive terminals 4 in the second through holes 21.

The invention adopts the existing printed circuit board to replace the traditional insulator and the shielding member, because the manufacturing process of the printed circuit board is mature, the price of the product is low, and the shielding of the signal transmitted by the conductive terminal can be achieved by the setting of the plating layer, thereby adapting to the high frequency. Signal transmission.

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.

110‧‧‧First limit surface

20‧‧‧Second metal plating

220‧‧‧First metal plating

41‧‧‧First conductor

411‧‧‧First Limitation Department

42‧‧‧Flexible parts

43‧‧‧Second conductor

Claims (12)

An electrical connector for electrically connecting a processor and a circuit, comprising: a printed circuit board having a second insulator and a second metal plating layer disposed at least on a horizontal surface of the second insulator; the second insulator is provided with a plurality of a second through hole, a part of the second through hole is provided with a first metal plating layer electrically connected to the second metal plating layer; the first and third insulating bodies are covered on the lower two sides of the printed circuit board, respectively provided with the second The first and third through holes are connected to the through hole; the conductive terminal includes a grounding terminal, a signal terminal, and a power terminal, and is disposed in the first, second, and third through holes, and partially protrudes from the first and third ends The insulator is connected to the processor and the circuit, wherein the ground terminal is received in the second through hole having the first metal plating. The electrical connector of claim 1, wherein the conductive terminal comprises a first conductor and a second conductor disposed in a vertical direction, and an elastic member disposed between the first and second conductors . The electrical connector of claim 2, wherein the first and second electrical conductors are respectively provided with two first and second limiting portions extending in the lateral direction, and the elastic member is compressed and abuts against the first Between the second limit. The electrical connector of claim 3, wherein the diameters of the first and third through holes of the first and third insulators are smaller than the diameter of the second through hole, and the first and third insulators are locked in the first The outside of the second limit. The electrical connector of claim 3, wherein the first through hole of the first insulator is provided with a step portion having a narrow upper and a lower width, and the first limiting surface of the step portion is clamped at the first limiting portion; The third through hole of the third insulator is provided with a step portion having an upper width and a lower portion, and the third limiting surface of the step portion is held by the second limiting portion. The electrical connector of claim 1, wherein the outer side of the second through hole is provided with a plurality of shielding holes, and the inner wall of each shielding hole is plated with the second metal plating layer. Electrically connected third metal plating. An electrical connector for electrically connecting a processor and a circuit, comprising: a first insulator, a second insulator, and a third insulator stacked on top of each other, wherein the three are connected to each other, the first, the second, and the third pass a hole, the conductive terminal portion is received in the through hole, and protrudes from the first and third through holes to electrically connect the processor and the circuit, and the second insulator is provided with a second metal plating layer on at least one horizontal surface, and the second through hole is outside A plurality of shielding holes are disposed, and each of the shielding holes has a third metal plating layer electrically connected to the second metal plating layer. The electrical connector of claim 7, wherein the conductive terminal comprises a signal terminal, a ground terminal, and a power terminal, and the inner wall of the second through hole where the ground terminal is located is provided with a first electrical connection with the second metal plating Metal plating. The electrical connector of claim 7, wherein the conductive terminal comprises a first conductor and a second conductor disposed in a vertical direction, and an elastic member disposed between the first and second conductors . The electrical connector of claim 9, wherein the first and second electrical conductors are respectively provided with two first and second limiting portions extending in a lateral direction, and the elastic member is compressed and abuts against the first Between the second limit. The electrical connector of claim 10, wherein the diameters of the first and third through holes of the first and third insulators are smaller than the diameter of the second through hole, and the first and third insulators are clamped to the first The outside of the second limit. The electrical connector of claim 10, wherein the first through hole of the first insulator is provided with a step portion having a narrow upper and a lower width, and the first limiting surface of the step portion is clamped to the first limiting portion; The third through hole of the third insulator is provided with a step portion having an upper width and a lower portion, and the third limiting surface of the step portion is held by the second limiting portion.