TW202315244A - Electrical connector - Google Patents

Abstract

An electrical connector includes an insulating body, a first terminal module, a second terminal module and a grounding sheet. The first terminal module includes a plurality of first conductive terminals. Each of the first conductive terminals includes a first tail portion. The second terminal module includes a plurality of second conductive terminals. Each of the second conductive terminals includes a second tail portion. The grounding sheet includes a main body portion, a first grounding protrusion and a second grounding protrusion. The plurality of first conductive terminals includes a first ground terminal. The plurality of second conductive terminals includes a second ground terminal. The first grounding protrusion is in contact with the first tail portion of the first ground terminal. The second grounding protrusion is in contact with the second tail portion of the second ground terminal.

Description

electrical connector

The invention relates to an electrical connector and belongs to the technical field of connectors.

With the continuous improvement of the data transmission quality requirements of electrical connectors, how to reduce the interference of conductive terminals in the data transmission process is a technical problem to be solved by those skilled in the art. In order to solve the above problems, the electrical connector in the related art is further provided with a ground plate, and the ground plate is provided with a plurality of ground terminals. However, this design leads to a relatively complicated structure of the ground plate, which is difficult to manufacture.

The object of the present invention is to provide an electrical connector with simple structure and shielding performance.

In order to achieve the aforementioned purpose, the present invention adopts the following technical solution: an electrical connector, which includes:

The insulating body, the aforementioned insulating body includes a docking surface, a mounting surface opposite to the aforementioned docking surface, a docking slot penetrating through the aforementioned docking surface, and an installation space passing through the aforementioned mounting surface and communicating with the aforementioned docking slot;

The first terminal module, the first terminal module includes a first insulating block and a plurality of first conductive terminals, each first conductive terminal includes a first fixing part fixed to the first insulating block, from the first fixing part a first elastic arm extending from one end of the first elastic arm, and a first tail portion, the aforementioned first elastic arm is provided with a first contact portion protruding into the aforementioned docking slot;

The second terminal module, the aforementioned second terminal module includes a second insulating block and a plurality of second conductive terminals, each second conductive terminal includes a second fixing portion fixed to the aforementioned second insulating block, from the aforementioned second fixing portion The second elastic arm extended from one end, and the second tail, the aforementioned second elastic The arm is provided with a second contact portion protruding into the aforementioned docking slot, and the aforementioned first contact portion and the aforementioned second contact portion are respectively located on both sides of the aforementioned docking slot; and

The grounding sheet, the aforementioned grounding sheet includes a main body and a plurality of grounding protrusions connected to the aforementioned main body, the aforementioned plurality of grounding protrusions includes a first grounding protrusion and a second grounding protrusion;

Wherein, the first tails of the aforementioned plurality of first conductive terminals and the second tails of the aforementioned plurality of second conductive terminals are located on the same side and arranged in a row along the first direction; the aforementioned plurality of first conductive terminals include first grounding terminals, and the aforementioned plurality of second conductive terminals The two conductive terminals include a second ground terminal, the first ground protrusion is at least partially stacked on the first tail of the first ground terminal and is in contact with the first tail of the first ground terminal, the second ground protrusion is at least The part is stacked on the second tail portion of the second ground terminal and is in contact with the second tail portion of the second ground terminal.

As a further improved technical solution of the present invention, the first tail portion of the first ground terminal includes a first plane, and the first ground protrusion is provided with a first abutment plane in contact with the first plane;

The second tail portion of the second ground terminal includes a second plane, and the second ground protrusion is provided with a second abutment plane in contact with the second plane.

As a further improved technical solution of the present invention, the first ground protrusion is welded and fixed to the first tail of the first ground terminal, and the second ground protrusion is welded and fixed to the second tail of the second ground terminal.

As a further improved technical solution of the present invention, the first ground protruding strip includes a first root connected to the main body, a first inclined part connected to the first root, and a first extension connected to the first inclined part. part, the first extension part is in contact with the first tail part of the first ground terminal;

The second ground protrusion includes a second root connected to the main body, a second slope connected to the second root, and a second extension connected to the second slope. The second tails of the second ground terminals are in contact.

As a further improved technical solution of the present invention, the aforementioned ground piece further includes a first elastic arm extending from one side of the aforementioned main body and a second elastic arm extending from the other side of the aforementioned main body, and the aforementioned first elastic arm is provided with The first arc-shaped protrusion protruding away from the second elastic arm, the first The second elastic arm is provided with a second arc-shaped protrusion protruding away from the first elastic arm.

As a further improved technical solution of the present invention, the aforementioned electrical connector further includes a metal shell sleeved on the aforementioned insulating body, and the aforementioned first elastic arm and the aforementioned second elastic arm abut against the aforementioned metal shell.

As a further improved technical solution of the present invention, the aforementioned ground piece includes a first fixing lug extending from the aforementioned first elastic arm and a second fixing lug extending from the aforementioned second elastic arm, the aforementioned first fixing lug and the aforementioned first fixing lug The two fixing lugs are inserted and fixed in the first insulating block.

As a further improved technical solution of the present invention, the aforementioned ground piece further includes a third fixing lug bent from the aforementioned main body, and the aforementioned third fixing lug is inserted and fixed into the aforementioned first insulating block.

As a further improved technical solution of the present invention, the aforementioned ground piece further includes a spare grounding protrusion extending from the aforementioned main body, and the aforementioned first insulating block is provided with a groove for receiving the aforementioned spare grounding protrusion.

As a further improved technical solution of the present invention, the aforementioned electrical connector further includes a plurality of cables, some of the aforementioned plurality of cables are connected to some of the aforementioned first tails, and some of the aforementioned plurality of cables are connected to some of the aforementioned second tails, and the aforementioned plurality of cables include A grounding cable connected to the aforementioned main body.

As a further improved technical solution of the present invention, the aforementioned cable includes an inner conductor, an inner insulating layer wrapped on at least part of the aforementioned inner conductor, a shielding layer wrapped on at least part of the aforementioned inner insulating layer, and a shielding layer wrapped around at least part of the aforementioned shielding layer. the outer insulating layer on the

The inner conductor of the aforementioned cable is fixedly connected to the corresponding first tail portion of the aforementioned first conductive terminal and the corresponding second tail portion of the aforementioned second conductive terminal; the aforementioned shielding layer is connected to the aforementioned ground plate.

Compared with the conventional technology, the plurality of first conductive terminals of the present invention include a first ground terminal, the plurality of second conductive terminals include a second ground terminal; the aforementioned ground sheet includes a first ground protrusion and a second ground protrusion; The structure of the ground sheet is simplified by making the first ground protrusion and the second ground protrusion respectively contact with the first tail of the first ground terminal and the second tail of the second ground terminal, and The ground shielding function can also be realized.

1: Insulation body

100: electrical connector

11: Docking surface

110: Docking slot

12: Mounting surface

120: Installation space

13: The first terminal storage slot

14: Second terminal storage slot

15: lock opening

2: Terminal module

200: cable

201: The first signal cable

202: Second signal cable

203: Grounding cable

204: inner conductor

205: inner insulating layer

206: shielding layer

207: Outer insulating layer

208: Grounding cable

3: Metal shell

3a: the first metal shell

3b: Second metal shell

31: flange part

32: sleeve part

33: Holding part

331: top wall

3311: Second lock hole

332: bottom wall

3321: The first lock hole

333: first side wall portion

334: second side wall portion

34: Socket

4: The first terminal module

41: The first insulating block

411: First base

4110: First locking lug

4111: First side wall surface

4112: Second side wall surface

4113: The first installation slot

4114: Second installation slot

412: first protrusion

413: positioning column

414:Boss

4141: Assembly surface

4142: storage tank

4143: Groove

42: the first conductive terminal

421: the first elastic arm

4211: first contact part

422: first tail

4221: first plane

423: The first fixed part

424: The first bending part

5: Second terminal module

51: Second insulating block

511: second base

5110:Second locking lug

512: second protrusion

5121:Lock protrusion

513: positioning hole

52: second conductive terminal

521: second elastic arm

5211: second contact part

522: second tail

5221: second plane

523: The second fixed part

524: Second bending part

6: Ground piece

61: Main body

611: the third fixed tab

62: Grounding raised strip

621: The first grounding raised strip

6211: the first root

6212: the first slope

6213: first extension

6214: First abutment plane

622: Second grounding protruding strip

6221: the second root

6222: second slope

6223: Second extension

6224: Second abutment plane

623: Alternate grounding rib

631: The first elastic arm

6311: The first arc-shaped convex part

6312: First fixing tab

632: The second elastic arm

6321: Second arc convex part

6322: Second fixing tab

A1: First direction

B: The circled part in Figure 4

C-C: line

D: The circled part in Figure 10

E: The circled part in Figure 16

G1: The first ground terminal

G2: Second ground terminal

FIG. 1 is a schematic perspective view of an electrical connector of the present invention in an embodiment.

FIG. 2 is a schematic perspective view of another angle of FIG. 1 .

FIG. 3 is a partially exploded perspective view of FIG. 1 .

Fig. 4 is a partial perspective exploded view of Fig. 3 from another angle.

Fig. 5 is a partially enlarged view of the circled part B in Fig. 4 .

FIG. 6 is a three-dimensional exploded view of the terminal module and the insulating body in FIG. 4 .

Fig. 7 is a three-dimensional exploded view of Fig. 6 from another angle.

FIG. 8 is a top view of the terminal module in FIG. 6 .

FIG. 9 is a partially exploded perspective view of the terminal module in FIG. 7 .

Fig. 10 is a partially exploded perspective view of Fig. 9 from another angle.

Fig. 11 is a partially exploded perspective view of Fig. 10 from another angle.

FIG. 12 is a further partial perspective exploded view of FIG. 10 .

Fig. 13 is a partially exploded perspective view of Fig. 12 from another angle.

Fig. 14 is a schematic cross-sectional view along line C-C in Fig. 6 .

Fig. 15 is a partially enlarged view of the circled part D in Fig. 10 .

FIG. 16 is a partial perspective view of the electrical connector and the cable assembled together according to the present invention.

Fig. 17 is a partially enlarged view of the circled part E in Fig. 16 .

Exemplary embodiments of the present invention will be described in detail below with reference to the drawings. If there are multiple specific implementations, the features in these implementations can be combined with each other under the condition of no conflict. When the description refers to drawings, unless otherwise stated, the same numerals in different drawings indicate the same or similar elements. The content described in the following exemplary embodiments does not represent all embodiments consistent with the present invention; on the contrary, they are only consistent with some aspects of the present invention described in the scope of application of the present invention Examples of devices, products and/or methods.

The terminology used in the present invention is only for the purpose of describing specific implementations, but not intended to limit the protection scope of the present invention. The singular forms "a", "aforementioned" or "the" used in the specification and claims of the present invention are also intended to include the plural forms unless the context clearly indicates otherwise.

It should be understood that the description of the present invention and the claims, such as "first", "second" and similar words, do not indicate any order, quantity or importance, but are only used to distinguish the nomenclature of features . Likewise, words like "a" or "one" do not denote a limitation in quantity, but indicate that there is at least one. Unless otherwise indicated, words such as "front", "rear", "upper" and "lower" appearing in the present invention are for convenience of description only, and are not limited to a specific position or a spatial orientation. "Includes" or "comprises" and other similar words are open-ended expressions, which means that the elements appearing before "comprising" or "comprising" cover the elements appearing after "comprising" or "comprising" and their equivalents, This does not exclude that elements appearing before "comprising" or "comprising" may also contain other elements. In the present invention, if "plural number" appears, it means two or more than two.

1 to 7, the present invention discloses an electrical connector 100, which includes an insulating body 1, a terminal module 2 at least partially installed in the aforementioned insulating body 1, and covered on the aforementioned insulating body 1. metal casing 3. In the illustrated embodiment of the present invention, the aforementioned electrical connector 100 is a High Definition Multimedia Interface (HDMI) cable connector. The aforementioned electrical connector 100 is used to connect with a plurality of cables 200 . Of course, those skilled in the art can understand that in other implementation manners, the aforementioned electrical connector 100 can also be other types of electrical connectors.

Please refer to Figures 1 to 4, in the illustrated embodiment of the present invention, the metal shell 3 includes a first metal shell 3a and a second metal shell 3b that matches the first metal shell 3a . The first metal shell 3 a and the second metal shell 3 b are sleeved on the insulating body 1 . The aforementioned first metal shell 3a is a one-piece structure made of metal material. The first metal shell 3 a includes a flange portion 31 , a sleeve portion 32 extending forward from the flange portion 31 , and a holding portion 33 extending backward from the flange portion 31 . illustrated in the present invention In an embodiment, the aforementioned sleeve portion 32 has a shape and size conforming to the HDMI standard. The aforementioned flange portion 31 protrudes outward from the aforementioned sleeve portion 32 so as to function as a limiter, preventing the aforementioned sleeve portion 32 from being excessively inserted into a mating connector (not shown). The aforementioned holding portion 33 is provided with a top wall 331, a bottom wall 332 opposite to the aforementioned top wall 331, a first side wall portion 333 connecting the aforementioned top wall 331 and the aforementioned bottom wall 332 and positioned on one side, and connecting the aforementioned top wall 331 and the aforementioned The bottom wall 332 and the second side wall portion 334 on the other side. The bottom wall 332 defines a first locking hole 3321 . The aforementioned top wall 331 defines a second locking hole 3311 . Both the aforementioned first locking hole 3321 and the aforementioned second locking hole 3311 are used for locking with the aforementioned terminal module 2 to prevent the aforementioned terminal module 2 from detaching from the aforementioned first metal shell 3a.

The aforementioned second metal shell 3 b includes a socket portion 34 , and the aforementioned socket portion 34 is socketed on the holding portion 33 of the aforementioned first metal shell 3 a.

Please refer to Fig. 1, Fig. 6 and Fig. 7, the aforesaid insulating body 1 includes a mating surface 11, a mounting surface 12 opposite to the aforesaid mating surface 11, a mating slot 110 penetrating forward through the aforesaid mating surface 11, and a rearwardly penetrating aforesaid The installation surface 12 and the installation space 120 communicated with the aforementioned docking slot 110 . The terminal module 2 is installed forwardly in the installation space 120 from the installation surface 12 . In addition, the insulating body 1 is further provided with a plurality of first terminal receiving grooves 13 communicating with the aforementioned docking slot 110 and a plurality of second terminal receiving grooves 14 communicating with the aforementioned docking slot 110 . In the illustrated embodiment of the present invention, the aforementioned first terminal receiving groove 13 and the aforementioned second terminal receiving groove 14 are respectively located on both sides (such as the lower side and the upper side) of the aforementioned docking slot 110 along the thickness direction of the aforementioned insulating body 1 . The first terminal receiving groove 13 and the second terminal receiving groove 14 are dislocated along the thickness direction of the insulating housing 1 . In the illustrated embodiment of the present invention, the aforementioned first terminal receiving groove 13 and the aforementioned second terminal receiving groove 14 further penetrate the aforementioned mating surface 11; The second terminal receiving groove 14 is designed to be longer, so as to provide better heat dissipation for the conductive terminals of the aforementioned terminal module 2 .

Please refer to FIG. 6 and FIG. 7 , in the illustrated embodiment of the present invention, the insulating housing 1 is further provided with a locking opening 15 for locking with the terminal module 2 .

Please refer to Figure 6 to Figure 14, the aforementioned terminal module 2 includes a first terminal module Group 4 , the second terminal module 5 and the grounding piece 6 .

The first terminal module 4 includes a first insulating block 41 and a plurality of first conductive terminals 42 fixed on the first insulating block 41 . In the illustrated embodiment of the present invention, the plurality of first conductive terminals 42 are insert-molded in the first insulating block 41 . Of course, in other embodiments, the plurality of first conductive terminals 42 may also be fixed to the first insulating block 41 by assembling.

Similarly, the aforementioned second terminal module 5 includes a second insulating block 51 and a plurality of second conductive terminals 52 fixed on the aforementioned second insulating block 51 . In the illustrated embodiment of the present invention, the plurality of second conductive terminals 52 are insert-molded in the second insulating block 51 . Of course, in other embodiments, the plurality of second conductive terminals 52 may also be fixed to the second insulating block 51 by assembling.

The first insulating block 41 includes a first base portion 411 and a first protruding portion 412 extending forward from the first base portion 411 . The aforementioned first protruding portion 412 is provided with a plurality of positioning posts 413 . The first base 411 is provided with a boss 414, and the boss 414 is provided with an assembly surface 4141, a plurality of receiving grooves 4142 recessed downward from the assembly surface 4141, and a groove 4143 recessed downward from the assembly surface 4141. . The aforementioned groove 4143 is located at the outermost side of the plurality of receiving slots 4142 .

The first base portion 411 includes a first locking protrusion 4110 locked in the first locking hole 3321 . In addition, the aforementioned first base portion 411 also includes a first side wall surface 4111, a second side wall surface 4112 opposite to the aforementioned first side wall surface 4111, which is recessed downward from the aforementioned assembly surface 4141 and partially penetrates the aforementioned first side wall surface toward one side. The first mounting groove 4113 of 4111 and the second mounting groove 4114 are recessed downward from the assembly surface 4141 and partly penetrate the second side wall surface 4112 toward the other side.

The first conductive terminal 42 is provided with a first fixing portion 423 fixed in the first insulating block 41 , a first elastic arm 421 extending forward from the front end of the first fixing portion 423 , and a first elastic arm 421 extending from the front end of the first fixing portion 423 . The rear end of the first bending portion 424 is bent upward and the first tail portion 422 extends backward from the first bending portion 424 . The aforementioned first elastic arm 421 extends forward to protrude from the aforementioned first insulating block 41 . The aforementioned first elastic arm 421 is cantilever-shaped and extends into the opposite Connect to slot 110. The aforementioned first elastic arm 421 is provided with a first contact portion 4211 for electrically connecting with the mating connector. The plane where the first tail portion 422 is located is higher than the plane where the first fixing portion 423 is located. This design is beneficial to better expose the aforementioned first tail portion 422 to the aforementioned assembly surface 4141 .

The second insulating block 51 includes a second base portion 511 and a second protruding portion 512 extending forward from the second base portion 511 . The second protruding portion 512 defines a positioning hole 513 matched with the positioning post 413 . The aforementioned second base portion 511 includes a second locking protrusion 5110 locked in the aforementioned second locking hole 3311 . The second protruding portion 512 further includes a locking protrusion 5121 that is locked in the locking opening 15 of the insulating housing 1 .

The second conductive terminal 52 is provided with a second fixing portion 523 fixed in the second insulating block 51 , a second elastic arm 521 extending forward from the front end of the second fixing portion 523 , and a second elastic arm 521 extending from the front end of the second fixing portion 523 . The second bent portion 524 is bent downwards at the rear end thereof, and the second tail portion 522 extends backward from the second bent portion 524 . The aforementioned second elastic arm 521 extends forward to protrude from the aforementioned second insulating block 51 . The aforementioned second elastic arm 521 is in a cantilever shape and extends into the mated socket 110 . The aforementioned second elastic arm 521 is provided with a second contact portion 5211 for electrically connecting with the mating connector. The plane where the aforementioned second tail portion 522 is located is lower than the plane where the aforementioned second fixing portion 523 is located. This design is beneficial to better install the second tail portion 522 in the receiving groove 4142 of the first insulating block 41 .

The first contact portion 4211 and the second contact portion 5211 extend toward the middle, that is, the first contact portion 4211 protrudes toward the second contact portion 5211 , and the second contact portion 5211 protrudes toward the first contact portion 4211 . With such an arrangement, the aforementioned first contact portion 4211 and the aforementioned second contact portion 5211 can jointly clamp the tongue plate (not shown) of the mating connector. The aforementioned second tail portion 522 extends backward beyond the aforementioned second insulating block 51 . In the illustrated embodiment of the present invention, the first tail portion 422 of the aforementioned first conductive terminal 42 and the second tail portion 522 of the aforementioned second conductive terminal 52 are both in the shape of a flat plate, and the first tail portion 422 of the aforementioned first conductive terminal 42 And the second tail portion 522 of the aforementioned second conductive terminal 52 is located on the same side. In the illustrated embodiment of the present invention, the first tail portion 422 of the aforementioned first conductive terminal 42 and the second tail portion 522 of the aforementioned second conductive terminal 52 are both exposed on the aforementioned assembly surface 4141, so as to facilitate the connection with the corresponding aforementioned cable 200 welding fixed.

The first tail portions 422 of the plurality of first conductive terminals 42 and the second tail portions 522 of the plurality of second conductive terminals 52 are arranged in a row along the first direction A1.

Please refer to FIG. 8 and FIG. 12 , in the illustrated embodiment of the present invention, the plurality of first conductive terminals 42 include a plurality of first signal terminals and a plurality of first ground terminals G1, and the aforementioned plurality of second conductive terminals 52 include a plurality of A second signal terminal and a plurality of second ground terminals G2.

Please refer to FIG. 10 and FIG. 15 , in the illustrated embodiment of the present invention, the aforementioned ground plate 6 is made of metal material and has a one-piece structure. The aforementioned ground piece 6 is provided with a main body 61 , a plurality of grounding protrusions 62 connected to the aforementioned main body 61 , a first elastic arm 631 extending forward from one side of the aforementioned main body 61 , and extending from the other side of the aforementioned main body 61 . The second elastic arm 632 extending forward. The first elastic arm 631 is provided with a first arc-shaped protrusion 6311 protruding away from the second elastic arm 632 . The second elastic arm 632 is provided with a second arc-shaped protrusion 6321 protruding away from the first elastic arm 631 . The first elastic arm 631 and the second elastic arm 632 are held in the first installation groove 4113 and the second installation groove 4114 of the first insulating block 41 respectively. The first arc-shaped protrusion 6311 and the second arc-shaped protrusion 6321 protrude from the first side wall surface 4111 and the second side wall surface 4112 respectively. The first arc-shaped protrusion 6311 and the second arc-shaped protrusion 6321 abut against the metal shell 3 . In the illustrated embodiment of the present invention, the first arc-shaped convex portion 6311 and the second arc-shaped convex portion 6321 respectively abut against the first side wall portion 333 and the second side wall portion 334 of the first metal shell 3a .

The ground plate 6 includes a first fixing tab 6312 extending downward from the first elastic arm 631 and a second fixing tab 6322 extending downward from the second elastic arm 632 . The first fixing tab 6312 and the second fixing tab 6322 are inserted and fixed in the first insulating block 41 . The main body portion 61 abuts against the rear end of the boss 414 .

The ground piece 6 further includes a third fixing tab 611 bent from the main body 61 , and the third fixing tab 611 is inserted and fixed in the first insulating block 41 . Preferably, the first fixing lug 6312 , the second fixing lug 6322 and the third fixing lug 611 are provided with multiple barbs, so as to improve the fixing effect with the first insulating block 41 .

The plurality of ground protrusions 62 includes a plurality of first ground protrusions 621 and a plurality of second ground protrusions 622 . The grounding piece 6 further includes a spare grounding protrusion 623 extending forward from the main body 61 , and the spare grounding protrusion 623 is accommodated in the groove 4143 of the first insulating block 41 . When the aforementioned cable 200 is provided with a grounding cable 208 corresponding to the aforementioned spare grounding protrusion 623 (as shown in FIG. 17 ), the grounding cable 208 is in contact with the aforementioned spare grounding protrusion 623 (for example, welded and fixed). When the aforementioned cable 200 is not provided with a grounding cable corresponding to the aforementioned spare grounding protrusion 623 , the aforementioned spare grounding protrusion 623 is not directly connected to the aforementioned cable 200 .

In the illustrated embodiment of the present invention, after the ground sheet 6 is fixed on the first insulating block 41, the first ground protruding strip 621 is at least partially stacked on the first tail portion 422 of the first ground terminal G1 and connected to the first tail portion 422 of the first ground terminal G1 The first tail portion 422 of the first ground terminal G1 is in contact, and the second ground protrusion 622 is at least partially stacked on the second tail portion 522 of the second ground terminal G2 and is in contact with the second tail portion 522 of the second ground terminal G2. touch. In this way, the grounding plate 6 , the first grounding terminal G1 , the second grounding terminal G2 and the metal shell 3 are connected as a whole, thereby increasing the grounding area and improving the grounding shielding effect.

Please refer to FIG. 15 , in the illustrated embodiment of the present invention, the aforementioned first grounding protrusion 621 includes a first root portion 6211 connected to the aforementioned main body portion 61 , and a first inclined portion 6212 connected to the aforementioned first root portion 6211 , and the first extension portion 6213 connected to the first inclined portion 6212, the first extension portion 6213 is in contact with the first tail portion 422 of the first ground terminal G1. Specifically, the first tail portion 422 of the first ground terminal G1 includes a first plane 4221 , and the first extension portion 6213 is provided with a first abutting plane 6214 in contact with the first plane 4221 . Preferably, the first ground protrusion 621 is welded and fixed to the first tail portion 422 of the first ground terminal G1 .

The second ground protrusion 622 includes a second root 6221 connected to the main body 61 , a second slope 6222 connected to the second root 6221 , and a second extension 6223 connected to the second slope 6222 , The aforementioned second extension portion 6223 is in contact with the second tail portion 522 of the aforementioned second ground terminal G2. Specifically, the aforementioned second ground terminal G2 The second tail portion 522 includes a second plane 5221 , and the aforementioned second grounding protrusion 622 is provided with a second abutting plane 6224 in contact with the aforementioned second plane 5221 . Preferably, the second ground protrusion 622 is welded and fixed to the second tail portion 522 of the second ground terminal G2.

The aforementioned first insulating block 41 and the aforementioned second insulating block 51 are provided with interfitting buckling structures. In the illustrated embodiment of the present invention, the aforementioned buckling structure includes but not limited to the aforementioned positioning post 413 and the aforementioned positioning hole 513 .

In one embodiment of the present invention, the first tail portion 422 of the aforementioned first signal terminal is used for welding with the first signal cable 201 , and the second tail portion 522 of the aforementioned second signal terminal is used for welding with the second signal cable 202 . The first tail portion 422 of the first ground terminal G1 and the second tail portion 522 of the second ground terminal G2 are used for welding with the ground cable 203 . The cable 200 includes the first signal cable 201 , the second signal cable 202 and the ground cable 203 .

Compared with the conventional technology, the plurality of first conductive terminals 42 of the present invention include the first ground terminal G1, the aforementioned plurality of second conductive terminals 52 include the second ground terminal G2; the aforementioned ground piece 6 includes the first ground protruding strip 621 and The second ground protrusion 622; by making the first ground protrusion 621 and the second ground protrusion 622 respectively connect with the first tail 422 of the first ground terminal G1 and the second tail 522 of the second ground terminal G2 contact with each other, thereby simplifying the structure of the aforementioned ground sheet 6, and also realizing the ground shielding function.

Please refer to FIG. 16 and FIG. 17 , the aforementioned electrical connector 100 is connected to the aforementioned plurality of cables 200 . In the illustrated embodiment of the present invention, the aforementioned cable 200 is a coaxial cable, which includes an inner conductor 204, an inner insulating layer 205 wrapped on at least part of the aforementioned inner conductor 204, and an inner insulating layer 205 wrapped on at least part of the aforementioned inner insulating layer 205. The shielding layer 206 and the outer insulating layer 207 wrapping at least part of the shielding layer 206 . The aforementioned inner conductor 204 may be tin-plated copper or silver-plated copper or the like.

When the aforementioned plurality of cables 200 are connected to the aforementioned electrical connector 100 , the inner conductor 204 of the aforementioned cable 200 is connected to the corresponding first tail portion 422 of the aforementioned first conductive terminal 42 and the corresponding second tail portion of the aforementioned second conductive terminal 52 522 is fixedly connected (for example, soldered) to achieve electrical continuity. The aforementioned shielding layer 206 is connected (for example, welded) to the aforementioned ground sheet 6, thereby The shielding area is increased and the shielding effect is improved. When the aforementioned cable 200 adopts the coaxial cable of the present invention, the aforementioned cable 200 can be directly welded with the aforementioned electrical connector 100 , which simplifies the process and reduces the cost.

The above embodiments are only used to illustrate the present invention and not to limit the technical solutions described in the present invention. The understanding of the present invention should be based on those skilled in the art, although this specification has described the present invention in detail with reference to the foregoing embodiments. Note, however, those of ordinary skill in the art should understand that those skilled in the art can still modify or equivalently replace the present invention, and all technical solutions and improvements that do not depart from the spirit and scope of the present invention should be covered by Within the patent scope of the present invention.

200: cable

201: The first signal cable

202: Second signal cable

203: Grounding cable

4111: First side wall surface

4112: Second side wall surface

422: first tail

522: second tail

6: Ground piece

61: Main body

621: The first grounding raised strip

622: Second grounding protruding strip

623: Alternate grounding rib

631: The first elastic arm

6311: The first arc-shaped convex part

632: The second elastic arm

6321: Second arc convex part

A1: First direction

G1: The first ground terminal

G2: Second ground terminal

Claims (11)

An electrical connector, comprising: The insulating body, the aforementioned insulating body includes a docking surface, a mounting surface opposite to the aforementioned docking surface, a docking slot penetrating through the aforementioned docking surface, and an installation space passing through the aforementioned mounting surface and communicating with the aforementioned docking slot; The first terminal module, the first terminal module includes a first insulating block and a plurality of first conductive terminals, each first conductive terminal includes a first fixing part fixed to the first insulating block, from the first fixing part a first elastic arm extending from one end of the first elastic arm, and a first tail portion, the aforementioned first elastic arm is provided with a first contact portion protruding into the aforementioned docking slot; The second terminal module, the aforementioned second terminal module includes a second insulating block and a plurality of second conductive terminals, each second conductive terminal includes a second fixing portion fixed to the aforementioned second insulating block, from the aforementioned second fixing portion The second elastic arm extending from one end of the second elastic arm and the second tail portion, the second elastic arm is provided with a second contact portion protruding into the aforementioned docking slot, the aforementioned first contact portion and the aforementioned second contact portion are respectively located in the aforementioned docking slot the sides of the slot; and The grounding sheet, the aforementioned grounding sheet includes a main body and a plurality of grounding protrusions connected to the aforementioned main body, the aforementioned plurality of grounding protrusions includes a first grounding protrusion and a second grounding protrusion; Wherein, the first tails of the aforementioned plurality of first conductive terminals and the second tails of the aforementioned plurality of second conductive terminals are located on the same side and arranged in a row along the first direction; the aforementioned plurality of first conductive terminals include first grounding terminals, and the aforementioned plurality of second conductive terminals The two conductive terminals include a second ground terminal, the first ground protrusion is at least partially stacked on the first tail of the first ground terminal and is in contact with the first tail of the first ground terminal, the second ground protrusion is at least The part is stacked on the second tail portion of the second ground terminal and is in contact with the second tail portion of the second ground terminal. The electrical connector according to claim 1, wherein: the first tail portion of the first ground terminal includes a first plane, and the first ground protruding strip is provided with a first abutment plane in contact with the first plane; The second tail portion of the second ground terminal includes a second plane, and the second ground protrusion is provided with a second abutment plane in contact with the second plane. The electrical connector according to claim 2, wherein: the first ground protruding strip is welded and fixed to the first tail of the first ground terminal, and the second ground protruding strip is welded and fixed to the second tail of the second ground terminal . The electrical connector as claimed in claim 1, wherein: the first ground protrusion includes a first root connected to the main body, a first inclined part connected to the first root, and a first inclined part connected to the first inclined part. The first extension part of the first extension part is in contact with the first tail part of the first ground terminal; The second ground protrusion includes a second root connected to the main body, a second slope connected to the second root, and a second extension connected to the second slope. The second tails of the second ground terminals are in contact. The electrical connector according to claim 1, wherein: the aforementioned ground piece further includes a first elastic arm extending from one side of the aforementioned main body and a second elastic arm extending from the other side of the aforementioned main body, the aforementioned first The elastic arm is provided with a first arc-shaped protrusion protruding away from the second elastic arm, and the second elastic arm is provided with a second arc-shaped protrusion protruding away from the first elastic arm. The electrical connector according to claim 5, wherein: the electrical connector further includes a metal shell sleeved on the insulating body, and the first elastic arm and the second elastic arm abut against the metal shell. The electrical connector as claimed in item 5, wherein: the aforementioned ground piece includes a first fixing lug extending from the aforementioned first elastic arm and a second fixing lug extending from the aforementioned second elastic arm, and the aforementioned first fixing lug The sheet and the second fixing lug are inserted and fixed in the first insulating block. The electrical connector according to claim 7, wherein: the grounding piece further includes a third fixing lug bent from the main body, and the third fixing lug is inserted into and fixed in the first insulating block. The electrical connector as claimed in claim 1, wherein: the grounding plate further includes a spare grounding protrusion extending from the main body, and the first insulating block is provided with a groove for receiving the spare grounding protrusion. The electrical connector according to claim 1, wherein: the aforementioned electrical connector further includes a plurality of cables, some of the aforementioned plurality of cables are connected to some of the aforementioned first tails, some of the aforementioned plurality of cables are connected to some of the aforementioned second tails, and the aforementioned The plurality of cables includes a ground cable connected to the aforementioned main body. The electrical connector as claimed in claim 10, wherein: the aforementioned cable includes an inner conductor, an inner insulating layer wrapped at least part of the aforementioned inner conductor, a shielding layer wrapped at least part of the aforementioned inner insulating layer, and wrapped at least an outer insulating layer over part of the aforementioned shield; The inner conductor of the aforementioned cable is fixedly connected to the corresponding first tail portion of the aforementioned first conductive terminal and the corresponding second tail portion of the aforementioned second conductive terminal; the aforementioned shielding layer is connected to the aforementioned ground plate.

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