TWI692153B - Electrical connector - Google Patents

Abstract

The present disclosure provides an electrical connector. The electrical connector includes a tongue portion, a plurality of terminals including a plurality of first terminals and a plurality of second terminals, and at least one ground member. Each of the terminals has a plate-type contact portion. The terminals include a ground terminal. The first terminals and the second terminals are disposed on a first surface and a second surface of the tongue portion, respectively. The at least one ground member includes a plurality of connection portions. The connection portions extend in a thickness direction. As a result, inductance affecting a signal is decreased and a feedback path is shortened, thereby increasing signal integrity.

Description

Electrical connector

The present disclosure relates to an electrical connector. More particularly, the present disclosure relates to an electrical connector having a tongue plate.

US Patent No. 9,583,882 (Chinese Patent No. 205621919 U) discloses a grounding element. The grounding member includes a conductive body and a plurality of extensions extending from the conductive body. Each extension portion has a restraining portion on at least one side. A body portion of a ground terminal is fixed in an insulating body. A contact portion of the ground terminal is arranged on the surface of a tongue plate, respectively. The body portion of the ground terminal is stacked with the extensions of the grounding member and is in contact with the restraining portion on the side.

Because the grounding element is assembled from the rear end of the insulating body, the position of the grounding element is located at the body portion of the grounding terminal, and the restraining portion of the grounding element contacts the body portion of the grounding terminal, and It is not the contact portion of the ground terminal and is far away from the actual contact point of the contact portion of the ground terminal after docking.

U.S. Patent No. 8,702,451 (Chinese Patent No. 202076606 U; Patent No. M419266 U1 in Taiwan) discloses a first grounding member assembled on a front end of a tongue plate. The first grounding member is connected to a contact section of a grounding terminal via an elastic bifurcation.

Although the first grounding member is connected to the contact section of the grounding terminal, the first grounding member is assembled from the front end of the tongue plate, and the elastic bifurcation of the first grounding member contacts the grounding terminal The end of the contact section is still far away from the actual contact point of the contact section of the ground terminal after docking.

The above "prior art" description is only for providing background technology, and does not acknowledge that the above "prior art" description discloses the subject of this disclosure, does not constitute the prior art of this disclosure, and any description of "above technology" above Neither should be part of this case.

The disclosed embodiment provides an electrical connector. The electrical connector includes a base, a plurality of terminals, and at least one common grounding member. The seat body includes a base and a tongue plate. The tongue plate includes a first surface and a second surface extending in a thickness direction in a length direction and a width direction, wherein the tongue plate includes a front edge in the width direction and a base connecting the base Trailing edge. Each terminal has a plate-shaped contact portion. The terminals of at least a part of the terminals include a signal terminal and a ground terminal. The terminals include a plurality of first terminals and a plurality of second terminals. The plate-shaped contact portion of each first terminal is provided on the first surface of the tongue plate. The plate-shaped contact portion of each second terminal is provided on the second surface of the tongue plate. The common grounding member is spaced apart from the front edge and the rear edge of the tongue plate and is installed on the tongue plate in the thickness direction, and the plate-shaped contact portion of the first terminal is in contact with the plate-shaped contact of the second terminal Between departments. The common grounding member includes a long plate portion and a plurality of connecting portions. The long plate portion extends in the longitudinal direction. The connecting portions extend from the long plate portion in the thickness direction and are connected to the plate-shaped contact portions of the corresponding ground terminals.

In some embodiments, at least one of the first surface and the second surface of the tongue plate is provided with a common grounding member receiving groove for accommodating the common grounding member.

In some embodiments, each link includes a pair of clamp arms. The pair of clamp arms are equipped with The plate-shaped contact portion sandwiched by the ground terminal is placed on the two side edges in the longitudinal direction.

In some embodiments, the at least a portion of the terminals further includes signal terminal pairs. The arrangement of the signal terminal pair and the ground terminal cross. The electrical connector further includes a shield. The shield is configured to be mechanically and electrically connected to the common ground, and is located on the plate-shaped contact portion of the signal terminal pair provided on the first face of the tongue plate and on the second face of the tongue plate Between the plate-shaped contact portions of the signal terminal pair.

In some embodiments, the tongue plate further includes a shield receiving slot. The shielding member accommodating groove is disposed at the front edge of the tongue plate, extends backward, and communicates with the common grounding member accommodating groove.

In some embodiments, the shielding member and the elongated plate portion of the common grounding member include a plurality of prongs that are staggered from each other in the thickness direction for clamping.

The disclosed embodiment provides an electrical connector. The electrical connector includes a base, a plurality of terminals, and at least one common grounding member. The seat body includes a base and a tongue plate. The tongue plate includes a first surface and a second surface extending in a thickness direction in a length direction and a width direction, wherein the tongue plate includes a front edge in the width direction and a base connecting the base Trailing edge. Each terminal has a plate-shaped contact portion. The terminals of at least a part of the terminals include a signal terminal and a ground terminal. The terminals include a plurality of first terminals and a plurality of second terminals. The first terminals are arranged on the first surface of the tongue plate. The second terminals are arranged on the second surface of the tongue plate. The common grounding member is mounted on the tongue plate and is located between the plate-shaped contact portion of the first terminal and the plate-shaped contact portion of the second terminal. The common grounding member includes a long plate portion, a plurality of first connection portions, and a plurality of second connection portions. The long plate portion extends in the longitudinal direction. The first connection portions extend from the long plate portion toward the first surface of the tongue plate and are connected to the plate-shaped contact portion of the ground terminal of the first terminal at a first connection position. The second connecting portions extend from the long plate portion toward the second surface of the tongue plate and are connected to the plate-shaped contact portion of the ground terminal of the second terminal at a second connecting position Set. The contact position after the connection of each ground terminal is located between the first connection position and the second connection position in the width direction.

In some embodiments, the common ground member is spaced apart from the front edge and the rear edge of the tongue plate and is installed on the tongue plate in the thickness direction.

In some embodiments, the second surface of the tongue plate is provided with a common grounding member receiving groove for accommodating the common grounding member.

In some embodiments, the projected position of the contact position of the ground terminal in the thickness direction within the range of the elongated plate portion of the common ground member is in some embodiments.

In some embodiments, the first connecting portions and the second connecting portions each include a pair of clamping arms. The pair of clamp arms are configured to clamp the plate-shaped contact portion of the ground terminal at the two lateral edges of the longitudinal direction.

In some embodiments, the common ground member receiving groove includes a hole that allows the pair of clip arms of the first connecting portion to penetrate to the first face of the tongue plate.

In some embodiments, the at least a portion of the terminals further includes signal terminal pairs. The arrangement of the signal terminal pair and the ground terminal cross. The electrical connector further includes a shield. The shield is configured to be mechanically and electrically connected to the common ground, and is located on the plate-shaped contact portion of the signal terminal pair provided on the first face of the tongue plate and on the second face of the tongue plate Between the plate-shaped contact portions of the signal terminal pair.

In some embodiments, the tongue plate further includes a shield receiving slot. The shielding member accommodating groove is disposed at the front edge of the tongue plate, extends backward, and communicates with the common grounding member accommodating groove.

In some embodiments, the shielding member and the elongated plate portion of the common grounding member include a plurality of prongs that are staggered from each other in the thickness direction for clamping.

In this disclosure, at least one of the first side and the second side of the tongue plate The common grounding member receiving slot is designed on the middle side. The connection position of the common grounding member and the ground terminal (ie, the first connection position and the second connection position) can be close to the contact position of the ground terminal, and the tongue plate can still maintain sufficient structural strength. The contact position of the ground terminal is located between the first connection position and the second connection position in the width direction. The projected position of the contact position of the ground terminal in the thickness direction is within the range of the long plate portion of the common ground member. The common grounding member is designed to connect the ground terminal on the first surface of the tongue plate and the ground terminal on the second surface of the tongue plate together. With the above configuration, each connected ground terminal has the same potential, shortens the loop inductance of the signal, and shortens the return path, thereby improving signal integrity (SI).

Furthermore, the shield is designed to be detachably mechanically and electrically connected to the common ground member and is located between the plate-shaped contact portions of two pairs of signal terminal pairs (differential signal pairs) facing each other In this way, crosstalk between the two pairs of signal terminals facing each other is reduced. The shielding element can be installed at any desired position of the common grounding element according to the elasticity requirement.

The technical features and advantages of the present disclosure have been summarized quite broadly above, so that the detailed description of the present disclosure below can be better understood. Other technical features and advantages that constitute the subject of the patent application scope of the present disclosure will be described below. Those of ordinary skill in the technical field of the present disclosure should understand that the concepts and specific embodiments disclosed below can be easily used to modify or design other structures or processes to achieve the same purpose as the present disclosure. Those with ordinary knowledge in the technical field to which this disclosure belongs should also understand that such equivalent construction cannot deviate from the spirit and scope of this disclosure defined by the appended patent application scope.

1: circuit board

2: circuit board

3: docking connector

4: Electrical connector

5: tongue plate

7: Electrical connector

30: Board positioning piece

31: Terminal slot

32: Positioning column

33: finger groove

34: docking terminal

36: Common grounding piece

37: seat body

38: Common grounding element receiving slot

40: Terminal

41: Seat

42: shield

43: fixing hole

44: Common grounding piece

44A: Common grounding

44B: Common grounding piece

44C: Common grounding

51: first side

52: second side

53: leading edge

54: trailing edge

55: shielding slot

57: leading edge

59: trailing edge

60: contact position

62: contact position

64: first link position

66: second link position

70: Connection

100: conductive pad

102: fixing hole

200: conductive pad

202: positioning hole

204: locator hole

302: head

304: tail

306: interference bump

340: the first docking terminal

342: second docking terminal

344: docking terminal group

346: docking terminal group

348: docking terminal group

360: contact finger

362: convex hull

364: Common grounding piece

366: common grounding piece

368: Common grounding piece

370: Common grounding piece

372: positioning groove

386: Tail

380: Contact

382: Elastic arm

384: Fixed part

386: Tail

388: Interference bump

401A: Terminal group

401B: Terminal group

401C: Terminal group

402: First terminal

403: Plate contact

404: second terminal

405: Tail

406: fixed part

407: interference bump

408: recess

409: Terminal group

410: base

412: Terminal receiving slot

414: convex

420: fork blade

424: interference bump

440: Connection Department

441: Long board section

442: fork blade

443: a pair of clamp arms

444: convex part

445: The first link

446: Second Link

448: Connection Department

520: Common grounding element receiving slot

520A: Common grounding element receiving slot

520B: Common grounding element receiving slot

520C: Common grounding element receiving slot

521: Hole

524: Notch

525: Channel

G: ground terminal

G1: ground terminal

S: Signal terminal

S1: Signal terminal

X: length direction

Y: width direction

Z: thickness direction

D: area

When you refer to the detailed description and consider the drawings in conjunction with the scope of the patent application, you can get a more complete understanding of the disclosure of this application. The same symbol in the drawings refers to the same element.

FIG. 1 is a schematic perspective view of a combination of an electrical connector and a mating connector.

FIG. 2 is an exploded perspective view of the electrical connector and the mating connector of FIG. 1.

FIG. 3 is a top schematic perspective view of the assembly of the electrical connector of FIG. 2.

4 is a bottom perspective view of the assembly of the electrical connector of FIG. 2.

FIG. 5 is a schematic exploded bottom perspective view of the electrical connector of FIG. 4.

6 is a schematic exploded top perspective view of the electrical connector of FIG. 3.

7 is a partially enlarged schematic perspective view of an area in FIG. 5.

FIG. 8 is a partial perspective view of the assembly of the electrical connector of FIG. 3, wherein a seat of the electrical connector is not shown.

FIG. 9 is a schematic front view plan related to the configuration of FIG. 8.

FIG. 10 is a schematic top plan view of the configuration related to FIG. 8.

FIG. 11 is an exploded perspective view of the configuration of FIG. 8.

12 is an exploded perspective view of a common grounding member and a shielding member of FIG. 11.

13 is an exploded perspective view of the docking connector of FIG. 2.

14 is a schematic perspective view of a portion of the mating connector of FIG. 13 from the bottom.

15 is a partially enlarged schematic perspective view of an area in FIG. 14.

16 is a schematic cross-sectional view of the docking connector of FIG. 2.

FIG. 17 is a partial schematic perspective view of the electrical connector and the mating connector of FIG. 1, wherein the base of the electrical connector and the base of the mating connector are not shown.

FIG. 18 is a schematic plan view of a side view related to the configuration of FIG. 17.

19 is a schematic perspective view of another embodiment of an electrical connector.

The embodiments or examples of the disclosed content shown in the drawings are described in a specific language. It should be understood that this is not intended to limit the scope of this disclosure. Any changes or modifications to the embodiments and any further application of the principles described in this case can occur normally for those of ordinary skill in the related art of the present disclosure. The element symbol may be repeated in each embodiment, but even if they have the same element symbol, the features in the embodiment are not necessarily used in another embodiment.

It should be understood that although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers or sections, these elements, components, regions, layers or sections should not be limited to these term. These terms are only used to distinguish one element, component, region, layer or section from another region, layer or section. Therefore, the first element, component, region, layer or section described below may be referred to as the second element, component, region, layer or section without departing from the teaching content of the disclosed inventive concept.

The terms used in this disclosure are only for the purpose of describing specific exemplary embodiments, and are not intended to limit the concept of the present invention. As used herein, the singular forms "a" and "the" are also used to include the plural form unless explicitly indicated otherwise herein. It should be understood that the term "including" used in the specification refers specifically to the existence of the so-called features, integers, steps, operations, elements or components, but does not exclude one or more other features, integers, steps, operations, elements, components or The existence of its group.

FIG. 1 is a schematic perspective view of a combination of a mating connector 3 and an electrical connector 4. FIG. 2 is an exploded perspective view of the electrical connector 4 and the mating connector 3 of FIG. 1. 1 and 2, the electrical connector 4 is mounted on the circuit board 1 across the board. The electric connector 4 and the circuit board 1 can be fixed to each other by passing a fixing hole 43 of the electric connector 4 and a fixing hole 102 of the circuit board 1 through a firmware (not shown) such as screws and nuts together. In the embodiment, the electrical connector 4 is used as a plug and inserted into the mating connector 3 as a socket. By passing a board positioning member 30 of the docking connector 3 through a positioning member hole 204 of a circuit board 2, the docking connector 3 can be set Placed on the circuit board 2.

FIG. 3 is a top schematic perspective view of the combination of the electrical connector 4 of FIG. 2. FIG. 4 is a schematic bottom perspective view of the assembly of the electrical connector 4 of FIG. 2. FIG. 5 is a schematic exploded bottom perspective view of the electrical connector 4 of FIG. 4. FIG. 6 is a schematic exploded top perspective view of the electrical connector 4 of FIG. 3. 7 is a partially enlarged schematic perspective view of an area A of FIG. 5, in which part of the terminals 40 are installed in a base 41 of the electrical connector 4. Referring to FIGS. 3 to 7, the electrical connector 4 includes a base 41, a plurality of terminals 40, at least one common grounding member 44 and a shield 42. This embodiment includes three common grounding members 44, which are common grounding members 44A, 44B, and 44C, respectively.

The base 41 includes a base 410, a tongue 5, and a plurality of terminal receiving grooves 412. The tongue 5 includes a first surface 51 (shown in FIG. 3) and a second surface 52 (shown in FIG. 4) extending in a length direction X and a width direction Y in a thickness direction Z. In addition, the tongue 5 includes a front edge 53 and a rear edge 54 in the width direction Y, and the rear edge 54 is connected to the base 410. At least one of the first surface 51 and the second surface 52 of the tongue plate 5 is provided with at least one common ground member receiving groove 520. In this embodiment, the second surface 52 of the tongue plate is provided with three common ground member receiving grooves 520, which are respectively common ground member receiving grooves 520A, 520B and 520C. The common grounding member receiving grooves 520A, 520B, and 520C respectively receive the common grounding members 44A, 44B, and 44C. Each common grounding member receiving groove 520 is recessed on the second surface 52 and is separated from the front edge 53 and the rear edge 54 of the tongue plate 5 in the width direction Y by a distance, and each common grounding member 44 is along the thickness direction Z (along The second surface 52 is installed in each common grounding member receiving groove 520 toward the first surface 51, so that each common grounding member 44 is separated from the front edge 53 and the rear edge 54 of the tongue plate 5 by a distance.

Each terminal accommodating groove 412 penetrates the base 410 from the rear to the front and extends to the surfaces of the first surface 51 and the second surface 52 of the tongue 5. Each terminal 40 is accommodated in each terminal accommodation groove 412 of the seat body 41. Each terminal 40 includes a plate-shaped contact portion 403, a fixing portion 406 and a tail portion 405. Such The plate-shaped contact portions 403 of the terminal 40 are aligned in the longitudinal direction X. Each side of the fixing portion 406 of each terminal 40 includes an interference bump 407 on each side. When each terminal 40 is installed in each terminal accommodating groove 412, the interference projection 407 of each terminal 40 interferes with the inner wall surface of each terminal accommodating groove 412 at the base 410, and accordingly, each terminal 40 is fixed in each terminal accommodating In the slot 412. In detail, the terminals 40 include a plurality of first terminals 402 in a first column and a plurality of second terminals 404 in a second column. Each first terminal 402 is provided in each terminal receiving groove 412 on the first surface 51 of the tongue 5 (as shown in FIG. 3 ). Each second terminal 404 is provided in each terminal receiving groove 412 on the second surface 52 of the tongue plate 5 (as shown in FIG. 4 ). The tail 405 of each first terminal 402 in the first row and the tail 405 of each second terminal 404 in the second row sandwich the circuit board 1 therebetween, and each tail 405 is electrically connected to the conductive pads 100 on both sides of the circuit board 1.

The shield 42 is received in a shield receiving groove 55 of the tongue 5. In the embodiment, the shield receiving groove 55 is provided at the front edge 53 of the tongue plate 6, extends rearward, and communicates with the common ground receiving groove 520A.

FIG. 8 is a partial schematic perspective view of the assembly of the electrical connector 4 of FIG. 3, wherein the base 41 is not shown. FIG. 9 is a schematic front plan view related to the configuration of FIG. 8, where the oblique lines represent the shield 42. FIG. 10 is a schematic top plan view of the configuration related to FIG. 8. FIG. 11 is an exploded perspective view of the configuration of FIG. 8. The distribution positions of the first terminals 402 on the first surface 51 of the tongue 5 are divided into three terminal groups 401A, 401B, and 401C in the embodiment, wherein the terminal group 401B is located on a protrusion of the first surface 51 On the portion 414 (as shown in FIG. 3 ), the terminal groups 401A and 401C are located on both sides of the terminal group 401B in the longitudinal direction X. For the sake of brevity and illustration, each second terminal 404 group corresponding to the common grounding member 44A and the terminal group 401A on the second surface 52 of the tongue plate 5 is a terminal group 409. In the illustrations of FIGS. 8, 9, 10, 11, and 17, only the terminal group 401A of the first surface 51 and the second surface 52 corresponding to the common ground 44A are shown. Terminal group 409.

Referring to FIGS. 8 to 11, at least a part of the terminals 40 of the terminals 40 includes a signal terminal S and a ground terminal G, and the signal terminals S and the ground terminal G are arranged to cross. In this embodiment, as shown in FIG. 9, each first terminal 402 in the terminal group 401A includes a signal terminal pair composed of two signal terminals S and a ground terminal G. The pattern is arranged from the left side of the drawing. The direction to the right is GSSGSSG in order. Similarly, each second terminal 404 in the terminal group 409 includes an arrangement in which a signal terminal pair composed of two signal terminals S and a ground terminal G cross. In particular, as shown in the area C of FIG. 9, a pair of signal terminals S of the terminal group 401A and a pair of signal terminals S in the terminal group 409 face each other. Therefore, as shown in the area C of FIG. 9 and FIG. 10, in A shield 42 is provided between the signal terminal pairs facing the first surface 51 and the second surface 52, thereby reducing crosstalk between the two signal terminal pairs facing each other. However, the present disclosure is not limited to this. In some embodiments, the shield 42 may also be disposed between the upper and lower signal terminal pairs on the left side of the area C in FIG. 9, for example. In other embodiments, the length of the shield 42 may cover multiple signal terminal pairs.

Since each common grounding member 44 is installed in each common grounding member accommodating groove 520 on the second surface 52 in the thickness direction Z, it can be seen from FIGS. 9 and 10 that the common grounding member 44A is in the thickness direction Z on the terminal group 401A and Between the terminal groups 409 and between the plate-shaped contact portions 403 of the first terminals 402 of the terminal group 401A and the plate-shaped contact portions 403 of the second terminals 404 of the terminal group 409.

FIG. 12 is an exploded perspective view of the common ground 44A and the shield 42 of FIG. 11. 11 and 12, the common grounding member 44A includes a long plate portion 441 and a plurality of connecting portions 440. The long plate portion 441 extends in the longitudinal direction X, and has a front edge 57 and a rear edge 59 in the width direction Y. Each connecting portion 440 extends from the long plate portion 441 and also extends in the thickness direction Z. In detail, the connecting portions 440 include a plurality of first connecting portions 445 facing the first surface 51 and a plurality of second connecting portions 446 facing the second surface 52. Each first connecting portion 445 The rear edge 59 of the portion 441 extends in the thickness direction Z of the tongue plate 5 toward the first surface 51 of the tongue plate 5 and is connected to the plate-shaped contact portion 403 of the ground terminal G of each first terminal 402. Each second connection portion 446 extends from the front edge 57 of the long plate portion 441 toward the second surface 52 of the tongue plate 5 in the thickness direction Z of the tongue plate 5 and is connected to the plate-like contact of the ground terminal G of each second terminal 404部403.

In the present embodiment, each connecting portion 440 includes a pair of clamping arms 443 configured to clamp the side edges of the plate-shaped contact portion 403 of the ground terminal G in the longitudinal direction X. In the present embodiment, the pair of clamp arms 443 of each first coupling portion 445 are configured to clamp the concave portions 408 of the two side edges of the plate-shaped contact portion 403 of the ground terminal G of the terminal group 401A in the longitudinal direction X. . Accordingly, the common ground member receiving groove 520A includes a hole 521 for allowing the pair of clip arms 443 of the first connecting portion 445 to penetrate the first surface 51 of the tongue plate 5 as shown in FIG. 7. In this embodiment, the pair of clamping arms 443 of each second connecting portion 446 are configured to clamp the two side edges of the plate-shaped contact portion 403 of the ground terminal G of the terminal group 409 in the longitudinal direction X. In the present embodiment, each second terminal 404 does not have a recess 408 similar to each first terminal 402. However, the disclosure is not limited to this, and the plate-shaped contact portion 403 of the ground terminal G of each second terminal 404 may also form a concave portion for the pair of clamping arms to clamp.

The shield 42 is configured to be mechanically and electrically connected to the common ground 44A. The shield 42 includes a plurality of prongs 420 that extend toward the rear edge 54 of the tongue plate 5 in the thickness direction Z and are offset from each other in the thickness direction Z, and clamp the common grounding member 44A to the prongs Between 420. Referring back to FIG. 7, the shield receiving slot 55 is provided with a channel 525 through which the prongs 420 of the shield 42 pass. In addition, interference bumps 424 are included on both sides of the shield 42. The interference protrusion 424 is configured to interfere with and fix the inner wall of the shield receiving groove 55, thereby fixing the shield 42 in the shield receiving groove 55.

In addition, the common grounding member 44A further includes at least one prong 442. The fork piece 442 extends toward the front edge 53 of the tongue plate 5 in the thickness direction Z, and presses against the surface of the shield 42. The common ground 44A also includes a plurality of protrusions 444. Referring back to FIG. 7, when the common grounding member 44A is received in the common grounding plate receiving groove 520A, the convex portion 444 is received in a recess 524 of the base 41.

The configuration of the common grounding member 44B is similar to the common grounding member 44A, except that the length of the long plate portion 441 of the common grounding member 44B in the length direction X is different from the long plate portion 441 of the common grounding member 44A. In addition, the common ground 44B includes a plurality of connecting portions 448. The number of the connecting parts 448 of the common grounding member 44B is different from the number of the connecting parts 440 of the common grounding member 44A. In addition, the connecting portions 448 of the common ground 44B extend from the front edge 57 of the long plate portion 441 along the thickness direction Z of the tongue plate 5 toward the second surface 52 of the tongue plate 5 and are connected to the respective second terminals 404 The plate-shaped contact portion 403 of the ground terminal G, so the common ground member accommodating groove 520B may not include the same hole as the hole 521. The common grounding member 44C and the common grounding member accommodating groove 520C have similar configurations, which will not be repeated here.

13 is an exploded perspective view of the docking connector 3 of FIG. 2. FIG. 14 is a schematic bottom perspective view of a portion of the mating connector 3 of FIG. 13. 15 is a partially enlarged schematic perspective view of an area D of FIG. 14. 16 is a schematic cross-sectional view of the mating connector 3 of FIG. 2. 13 to 16, the mating connector 3 includes a base 37, a plurality of mating terminals 34, and a plurality of common grounding members 36. This embodiment includes four common grounding members 36, which are common grounding members 364, 366, 368, and 370, respectively.

The mating terminals 34 are accommodated in the plurality of terminal grooves 31 of the base 37. The docking terminals 34 include a signal terminal S1 and a ground terminal G1, and the signal terminal S1 and the ground terminal G1 are arranged to cross. Specifically, the docking terminals 34 include a plurality of first docking terminals 340 in a first row and a plurality of second docking terminals 342 in a second row. The distribution positions of the first docking terminals 340 are divided into three docking terminal groups 344, 346, and 348 in the embodiment. For the sake of brevity and illustration, only the common grounding member 366 and the docking terminal group 344 corresponding to the common grounding member 366 are shown in the illustrations of FIGS. 14 and 15.

Each docking terminal 34 includes a contact portion 380, an elastic arm 382, a fixing portion 384, and a tail portion 386. As shown in FIGS. 1 and 2, the tail portion 386 protrudes from the bottom surface of the seat body 37. The tail 386, in some embodiments, includes a surface mounting technology (SMT) tail, the tail 386 is soldered to a conductive pad 200 of the circuit board 2 by SMT to fix the docking terminal 34 to the circuit board 2, the mating terminal 34 is electrically connected to the conductive pad 200 of the circuit board 2. The fixed portion 384 of the ground terminal G1 of the butting terminal 34 is mechanically and electrically contacted by a contact finger 360 of the common ground member 36. Accordingly, the ground terminals G1 contacting the butt terminals 34 of the same common ground member 36 are electrically connected to each other, and have the same ground level. As shown in FIGS. 14 to 16, taking the butt terminal group 344 as an example, the fixing portion 384 of the ground terminal G1 of each first butt terminal 340 of the butt terminal group 344 is mechanically and electrically mechanically and electrically Sexually. Accordingly, the ground terminals G1 of the first docking terminals 340 of the docking terminal group 344 are electrically connected to each other, and have the same ground level. The common grounding members 366, 368, and 370 have a similar structure to the common grounding member 364, except that the length in the longitudinal direction X is different and the number of contact fingers 360 is different. In addition, since the contact fingers 360 of the common grounding members 364, 366, 368, and 370 are arranged on the outside of each butting terminal 34, they only have a single extending direction to contact the fixing portion 384 of the ground terminal G1, so compared to the electrical connection The connector 4 and the mating connector 3 have more common grounding pieces.

In addition, both sides of the fixing portion 384 of the docking terminal 34 each include an interference bump 388. When the mating terminal 34 is installed in the terminal groove 31, the interference bump 388 of the mating terminal 34 interferes with and fixes the inner wall surface of the terminal groove 31. Accordingly, the docking terminal 34 is preferably fixed in the terminal groove 31.

The common grounding member 364 is received in a common grounding member receiving groove 38 of the base 37. A through-slot 33 is provided between the common grounding member accommodating groove 38 and the terminal groove 31 where the ground terminal G1 is installed, so that The contact finger 360 of the ground member 364 passes through the through slot 33 to contact the ground terminal G1. Similarly, the base 37 further includes a common ground member receiving groove for receiving the common ground members 366, 368, and 370. The structure of these common grounding element receiving grooves may be similar to that of the common grounding element receiving grooves 38, and will not be repeated here.

The common grounding member 364 also includes a plurality of convex hulls 362. The convex hull 362 is configured to interfere with the inner wall surface of the common ground member accommodating groove 38. Accordingly, the common grounding member 364 is preferably held in the common grounding member receiving groove 38.

The board positioning member 30 includes a head 302, a tail 304 and two interference protrusions 306. The head 302, for example, a T-shaped head, is clamped on the upper end of a positioning slot 372 (as shown in FIG. 13) of the base 37. The interference protrusion 306 of the board positioning member 30 interferes with the wall surface of the positioning groove to fix the board positioning member 30, and the tail 304 of the board positioning member 30 protrudes from the positioning groove and protrudes from the bottom surface of the seat body 37. When the mating connector 3 is mounted on the circuit board 2, a positioning post 32 of the base 37 is positioned to a positioning hole 202 on the circuit board 2, and the tail 304 of the board positioning member 30 is inserted into the positioning member hole 204 on the circuit board 2 in.

FIG. 17 is a partial perspective view of the electrical connector 4 and the mating connector 3 of FIG. 1, wherein the base 41 of the electrical connector 4 and the base 37 of the mating connector 3 are not shown. 18 is a schematic plan view of a side view related to the configuration of FIG. 17. Referring to FIGS. 17 and 18, each first connecting portion 445 of the common grounding member 44A is connected to the plate-shaped contact portion 403 of the ground terminal G of each first terminal 402 of the terminal group 401A at a first connecting position 64; a common grounding member Each second connection portion 446 of 44A is connected to the plate-shaped contact portion 403 of the ground terminal G of each second terminal 404 of the terminal group 409 at a second connection position 66. A mated contact position 62 of the ground terminal G of each first terminal 402 of the terminal group 401A and the ground terminal G1 of the first mating terminal 340 is located between the first connection position 64 and the second connection position 66 in the width direction Y Similarly, the contact position 60 of the ground terminal G of each second terminal 404 of the terminal group 409 and the ground terminal G1 of the second mating terminal 342 after mating is It is located between the first connection position 64 and the second connection position 66 in the width direction Y. Furthermore, the projected positions of the contact positions 60 and 62 of the two ground terminals G in the thickness direction Z after being connected are within the range of the long plate portion 441 of the common grounding member 44A. According to this, it is possible to shorten the loop inductance of the signal and shorten the return path to improve signal integrity (SI).

FIG. 19 is a schematic perspective view of another embodiment of the electrical connector 7. Referring to FIG. 19, the electrical connector 7 is similar to the electrical connector 4 described in FIG. 3, except that the electrical connector 7 further includes a connection port 70, for example. In one embodiment, the connection portion 70 includes a power port for transferring electrical energy.

Although the disclosure and its advantages have been detailed, it should be understood that various changes, substitutions, and substitutions can be made without departing from the spirit and scope of the disclosure as defined by the scope of the patent application. For example, many processes described above can be implemented in different ways, and many processes described above can be replaced with other processes or combinations thereof.

Furthermore, the scope of the present application is not limited to the specific embodiments of the process, machinery, manufacturing, material composition, means, methods, and steps described in the specification. Those skilled in the art can understand from the disclosure of this disclosure that they can use existing or future development processes, machinery, manufacturing, and materials that have the same functions or achieve substantially the same results as the corresponding embodiments described in this disclosure. Composition, means, method, or step. Accordingly, these processes, machinery, manufacturing, material composition, means, methods, or steps are included in the scope of the patent application of this application.

34: docking terminal

36: Common grounding piece

40: Terminal

42: shield

44: Common grounding piece

60: contact position

62: contact position

64: first link position

66: second link position

380: Contact

382: Elastic arm

384: Fixed part

386: Tail

401A: Terminal group

402: First terminal

404: second terminal

409: second terminal

403: Plate contact

405: Tail

406: fixed part

440: Connection Department

441: Long board section

445: The first link

446: Second Link

G: ground terminal

G1: ground terminal

Claims (15)

An electrical connector includes: a body including: a base; and a tongue plate including a first surface and a second surface extending in a thickness direction in a length direction and a width direction, the tongue plate It includes a leading edge in the width direction and a trailing edge connecting the base; a plurality of terminals, each terminal has a plate-shaped contact portion, at least a part of the terminals of the terminals includes a signal terminal and a ground terminal, the terminals It includes: a plurality of first terminals, the plate-shaped contact portions of each first terminal are provided on the first surface of the tongue plate; and a plurality of second terminals, the plate-shaped contact portions of each second terminal are provided on the tongue plate Two sides; and at least one common grounding member, which is at a distance from the front edge and the rear edge of the tongue plate and is installed on the tongue plate in the thickness direction, and is located at the plate-shaped contact portion of the first terminal and the second Between the plate-shaped contact portions of the terminal, wherein the common grounding member includes: an elongated plate portion extending along the length direction; and a plurality of connecting portions extending from the elongated plate portion along the thickness direction and connected to the corresponding The plate-shaped contact portion of the ground terminal. The electrical connector according to claim 1, wherein at least one of the first surface and the second surface of the tongue plate is provided with a common grounding member receiving groove for accommodating the common grounding member. The electrical connector according to claim 2, wherein each connecting portion includes: a pair of clamping arms configured to clamp the plate-shaped contact portion of the ground terminal on both lateral edges of the longitudinal direction. The electrical connector according to claim 2 or 3, wherein the at least a part of the terminals further includes a signal terminal pair, and the signal terminal pair and the ground terminal are arranged crosswise, and wherein the electrical connector further includes: a shield The plate-shaped contact portion of the signal terminal pair provided on the first face of the tongue plate and the signal terminal pair provided on the second face of the tongue plate are configured to be mechanically and electrically connected to the common grounding member Between the plate-shaped contacts. The electrical connector according to claim 4, wherein the tongue plate further comprises: a shielding member receiving groove, which is disposed at the front edge of the tongue plate, extends backward and communicates with the common grounding member receiving groove. The electrical connector according to claim 5, wherein the shield member includes: a plurality of prongs staggered from each other in the thickness direction to hold the elongated plate portion of the common ground member. An electrical connector, including: a body, including: a base; and A tongue plate includes a first face and a second face extending in a thickness direction in a length direction and a width direction, the tongue plate includes a front edge in the width direction and a base connecting the base Trailing edge; a plurality of terminals, each terminal having a plate-shaped contact portion, at least a part of the terminals of the terminals includes a signal terminal and a ground terminal, the terminals include: a plurality of first terminals, provided on the tongue plate first Surface; and a plurality of second terminals provided on the second surface of the tongue plate; and at least one common grounding member installed on the tongue plate and located on the plate-like contact portion of the first terminal and the plate-like shape of the second terminal Between the contact portions, the common grounding member includes: a long plate portion extending along the length direction; a plurality of first connecting portions extending from the long plate portion toward the first surface of the tongue plate and connected to the first A plate-shaped contact portion of the ground terminal of a terminal at a first connection position; and a plurality of second connection portions extending from the long plate portion toward the second surface of the tongue plate and connected to the ground terminal of the second terminal The plate-shaped contact portion is at a second connection position, wherein the contact position of each ground terminal after the connection is located between the first connection position and the second connection position in the width direction. The electrical connector according to claim 7, wherein the common grounding member is spaced from the front edge and the rear edge of the tongue plate at a distance and is installed on the tongue plate in the thickness direction. The electrical connector according to claim 8, wherein a second ground receiving groove for receiving the common ground is provided on the second surface of the tongue plate. The electrical connector according to claim 9, wherein the projected position of the contact position of the ground terminal in the thickness direction within the range of the long plate portion of the common ground member. The electrical connector according to claim 10, wherein the first connection portion and the second connection portion each include a pair of clip arms configured to clip to the plate-shaped contact portion of the ground terminal at The two lateral edges in the longitudinal direction. The electrical connector according to claim 11, wherein the common ground member receiving groove includes a hole through which the pair of clamping arms of the first connecting portion penetrates to the first surface of the tongue plate. The electrical connector according to claim 9, 10, 11 or 12, wherein the at least a part of the terminals further includes a signal terminal pair, and the signal terminal pair and the ground terminal are arranged crosswise, and wherein the electrical connector further includes: a The shield is configured to be mechanically and electrically connected to the common ground, and is located on the plate-shaped contact portion of the signal terminal pair provided on the first face of the tongue plate and the signal provided on the second face of the tongue plate Between the plate-shaped contact portions of the terminal pair. The electrical connector according to claim 13, wherein the tongue plate further comprises: a shielding member receiving groove provided at the front edge of the tongue plate, extending backward and communicating with the common grounding member receiving groove. The electrical connector according to claim 14, wherein the shield includes: A plurality of prongs staggered in the thickness direction are used to clamp the long plate portion of the common grounding member.

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