Electrical connector and manufacturing method thereof

Abstract

An electrical connector includes a first terminal group, a first grounding plate, a second terminal group, a second grounding plate, and an insulating body. The first terminal group includes a plurality of first signal terminals and a plurality of first grounding terminals. The first grounding plate connects all of the first grounding terminals in series. The second terminal group includes a plurality of second signal terminals and a plurality of second grounding terminals. The second grounding plate connects all of the second grounding terminals in series. The insulating body includes a tongue plate, and the first docking portion and the second docking portion are exposed on opposite surfaces of the tongue plate. The first grounding plate and the second grounding plate are located between the first terminal group and the second terminal group along the thickness direction of the tongue plate. This arrangement reduces mutual interference during signal transmission and improves the quality of signal transmission. The present invention also discloses a method for manufacturing the electrical connector.

Description

Technical Field

[0001] The present invention relates to an electric connector and a manufacturing method thereof, belonging to the technical field of connectors. Background Art

[0002] In order to facilitate arrangement, some electrical connectors in the related art use a sub-circuit board as the tongue plate of the electrical connector. Depending on the application conditions, the related electrical connector is also provided with a cable or conductive terminal connected to the sub-circuit board.

[0003] As the requirements for signal transmission in electrical connectors continue to increase, the signal transmission speed is low and distortion is easily generated when it is transmitted in the sub-circuit board.

[0004] Therefore, it is necessary to improve the electrical connector in the related art. Summary of the Invention

[0005] An object of the present invention is to provide an electrical connector with an improved structure and higher signal transmission quality and a manufacturing method thereof.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: an electrical connector, comprising:

[0007] A first terminal group, the first terminal group includes a plurality of first conductive terminals, the plurality of first conductive terminals including a plurality of first signal terminals and a plurality of first ground terminals; each first conductive terminal includes a first flat-plate-shaped docking portion;

[0008] a first grounding plate, the first grounding plate comprising a plurality of first abutting portions and a first protruding portion connected to the first abutting portions; wherein the first signal terminals do not contact the corresponding first protruding portions; and the first abutting portions contact the corresponding first grounding terminals to connect all the first grounding terminals in series;

[0009] a second terminal group, the second terminal group including a plurality of second conductive terminals, the plurality of second conductive terminals including a plurality of second signal terminals and a plurality of second ground terminals; each second conductive terminal including a flat second docking portion;

[0010] a second grounding plate, the second grounding plate comprising a plurality of second abutting portions and second protruding portions connected to the second abutting portions; wherein the second signal terminals do not contact the corresponding second protruding portions; and the second abutting portions contact the corresponding second grounding terminals to connect all the second grounding terminals in series; and

[0011] an insulating body, the insulating body comprising a tongue plate, the tongue plate comprising a first surface and a second surface opposite to the first surface, the first docking portion being exposed to the first surface, and the second docking portion being exposed to the second surface;

[0012] The first grounding piece and the second grounding piece are located between the first docking portion and the second docking portion along the thickness direction of the tongue plate.

[0013] As a further improved technical solution of the present invention, the plurality of first signal terminals are divided into a plurality of first signal terminal groups, wherein each first signal terminal group includes two adjacently arranged first signal terminals; a first grounding terminal is provided on both sides of each first signal terminal group; and the first abutting portion is welded and fixed to the first grounding terminal.

[0014] As a further improved technical solution of the present invention, the plurality of second signal terminals are divided into a plurality of second signal terminal groups, wherein each second signal terminal group includes two adjacently arranged second signal terminals; a second grounding terminal is provided on both sides of each second signal terminal group; and the second abutting portion is welded and fixed to the second grounding terminal.

[0015] As a further improved technical solution of the present invention, the first abutting portion is welded and fixed to the back side of the first docking portion of the first grounding terminal; the second abutting portion is welded and fixed to the back side of the second docking portion of the second grounding terminal.

[0016] As a further improved technical solution of the present invention, the first docking portions are arranged in a row along the width direction of the tongue plate, the second docking portions are arranged in a row along the width direction, and the width direction of the tongue plate is perpendicular to the thickness direction of the tongue plate.

[0017] As a further improved technical solution of the present invention, the first protrusion protrudes toward the second grounding plate, and the second protrusion protrudes toward the first grounding plate.

[0018] As a further improved technical solution of the present invention, the first grounding plate includes a first base, a first extension, a plurality of first connecting portions connecting the first base and the first extension, and a first opening located between the first base and the first extension; wherein along the length direction of the tongue plate, the length of the first base is greater than the length of the first extension; and the first abutting portion is provided on the first base, the first extension, and the first connecting portion.

[0019] As a further improved technical solution of the present invention, the second grounding plate includes a second base, a second extension, a plurality of second connecting portions connecting the second base and the second extension, and a second opening located between the second base and the second extension; wherein along the length direction of the tongue plate, the length of the second base is greater than the length of the second extension; and the second abutting portion is provided on the second base, the second extension, and the second connecting portion.

[0020] As a further improved technical solution of the present invention, the electrical connector also includes a first insulating block and a second insulating block, wherein the plurality of first conductive terminals and the first grounding plate are at least partially embedded in the first insulating block, and the plurality of second conductive terminals and the second grounding plate are at least partially embedded in the second insulating block.

[0021] As a further improved technical solution of the present invention, the electrical connector also includes a third insulating block, which is formed as a whole with the first insulating block and the second insulating block, and the insulating body includes the first insulating block, the second insulating block and the third insulating block.

[0022] As a further improved technical solution of the present invention, the electrical connector further includes a plurality of first cables and a plurality of second cables, wherein the first cables are connected to the corresponding first conductive terminals, and the second cables are connected to the corresponding second conductive terminals.

[0023] The present invention further discloses a method for manufacturing an electrical connector, wherein the electrical connector is the aforementioned electrical connector, and the manufacturing method comprises:

[0024] Welding and fixing the first grounding plate to the first grounding terminal in the first terminal group to form a first module;

[0025] Injection molding the first insulating block onto the first module to obtain a first terminal module;

[0026] Welding and fixing the second grounding plate to the second grounding terminal in the second terminal group to form a second module;

[0027] Injection molding the second insulating block on the second module to obtain a second terminal module;

[0028] Insulating material is injection-molded on the first terminal module and the second terminal module to combine the first terminal module and the second terminal module into a whole.

[0029] As a further improved technical solution of the present invention, the manufacturing method further includes:

[0030] Providing a plurality of first cables and a plurality of second cables, and connecting the first cables and the second cables to corresponding first conductive terminals and second conductive terminals, respectively; and

[0031] Insulating material is injection molded at the connection between the first cable and the first conductive terminal and at the connection between the second cable and the second conductive terminal to form an outer insulating block; the outer insulating block is integrally formed with the first insulating block and the second insulating block.

[0032] Compared with the existing technology, the present invention adopts a terminal group stacking method to replace the sub-circuit board in the related technology, and uses the first conductive terminal and the second conductive terminal to directly transmit signals, which is conducive to improving the speed of signal transmission; in addition, by setting the first grounding plate and the second grounding plate, and arranging the first grounding plate and the second grounding plate between the first docking part and the second docking part along the thickness direction of the tongue plate, the mutual interference between the first docking part of the first conductive terminal and the second docking part of the second conductive terminal during signal transmission is reduced, and the quality of signal transmission is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 FIG. 1 is a perspective schematic diagram of an electrical connector according to an embodiment of the present invention.

[0034] Figure 2 yes Figure 1 A three-dimensional diagram from another angle.

[0035] Figure 3 yes Figure 1 A partially exploded perspective view of the device, with the outer insulating block separated.

[0036] Figure 4 yes Figure 3 Further partially exploded perspective view, in which the third insulating block is also separated.

[0037] Figure 5 yes Figure 4 A three-dimensional exploded view of the first terminal module and the second terminal module when they are separated from each other.

[0038] Figure 6 yes Figure 5 A three-dimensional exploded view of the first terminal module.

[0039] Figure 7 yes Figure 6 A three-dimensional exploded view of the second terminal module.

[0040] Figure 8 This is a three-dimensional exploded view of the first terminal module from another angle.

[0041] Figure 9 yes Figure 8 A partial enlarged view of the circled part A.

[0042] Figure 10 This is a three-dimensional exploded view of the second terminal module from another angle.

[0043] Figure 11 yes Figure 10 A partial enlarged view of the circled part B.

[0044] Figure 12 yes Figure 4 A front view of the first conductive terminal, the second conductive terminal, the first cable and the second cable.

[0045] Figure 13 yes Figure 12 Right view of .

[0046] Figure 14 It is along Figure 1 Schematic cross-section of the CC line.

[0047] Figure 15 yes Figure 14 A partial enlarged view of the middle frame portion D. DETAILED DESCRIPTION

[0048] The following exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. If there are several specific embodiments, the features of these embodiments can be combined with each other without conflict. When the description refers to the drawings, unless otherwise specified, the same numbers in different drawings represent the same or similar elements. The contents described in the following exemplary embodiments do not represent all embodiments consistent with the present invention; rather, they are merely examples of devices, products and / or methods consistent with some aspects of the present invention as described in the claims of the present invention.

[0049] The terms used in the present invention are only for the purpose of describing specific embodiments and are not intended to limit the scope of protection of the present invention. The singular forms "a", "an", "the" 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.

[0050] It should be understood that the words used in the specification and claims of the present invention, such as "first", "second" and similar words, do not indicate any order, quantity or importance, but are only used to distinguish the names of features. Similarly, "one" or "an" and similar words do not indicate a quantity limitation, but rather indicate the existence of at least one. Unless otherwise specified, the words "front", "back", "upper", "lower" and similar words that appear in the present invention are only for the convenience of description and are not limited to a specific position or a spatial orientation. Words such as "include" or "comprises" are open-ended expressions, meaning that the elements appearing before "include" or "comprises" include the elements appearing after "include" or "comprises" and their equivalents, which does not exclude that the elements appearing before "include" or "comprises" may also include other elements. If "several" appears in the present invention, it means two or more.

[0051] Please refer to Figures 1 to 15 As shown, the present invention discloses an electrical connector 100, which includes a first terminal module 10, a second terminal module 20, a plurality of first cables 7 connected to the first terminal module 10, a plurality of second cables 8 connected to the second terminal module 20, a third insulating block 91 injection molded on the first terminal module 10 and the second terminal module 20, and an outer insulating block 92 injection molded at the junction of the first cable 7 and the first terminal module 10 and at the junction of the second cable 8 and the second terminal module 20.

[0052] In the illustrated embodiment of the present invention, the electrical connector 100 is a cable connector. Of course, those skilled in the art will appreciate that, in other embodiments, the electrical connector 100 may also be a board-mounted connector, i.e., the electrical connector 100 is intended to be mounted on a circuit board (not shown). In this case, the electrical connector 100 may not include the plurality of first cables 7 and the plurality of second cables 8.

[0053] Please combine Figure 6 As shown, in the illustrated embodiment of the present invention, the first terminal module 10 includes a first terminal group 1, a first grounding plate 2, and a first insulating block 3, wherein the first insulating block 3 is injection molded on the first terminal group 1 and the first grounding plate 2. In other words, the first terminal group 1 and the first grounding plate 2 are at least partially embedded in the first insulating block 3.

[0054] Please combine Figure 7As shown, in the illustrated embodiment of the present invention, the second terminal module 20 includes a second terminal group 4, a second grounding plate 5, and a second insulating block 6, wherein the second insulating block 6 is injection molded on the second terminal group 4 and the second grounding plate 5. In other words, the second terminal group 4 and the second grounding plate 5 are at least partially embedded in the second insulating block 6.

[0055] Please combine Figure 1 As shown, the electrical connector 100 includes a tongue plate 93 for inserting into a slot of a mating connector. In the illustrated embodiment of the present invention, the tongue plate 93 includes the third insulating block 91, the first insulating block 3, and the second insulating block 6.

[0056] Please combine Figure 6 、 Figure 8 、 Figure 9 as well as Figure 15 As shown, the first terminal group 1 includes a plurality of first conductive terminals 11. The plurality of first conductive terminals 11 include a plurality of first signal terminals S1 and a plurality of first ground terminals G1. Each first conductive terminal 11 is roughly L-shaped, and includes a flat first docking portion 111 and a first tail portion 112 bent downward from the rear end of the first docking portion 111. In the illustrated embodiment of the present invention, the first docking portions 111 are arranged in a row along the width direction WW of the tongue plate 93. A first thinning portion 113 is provided at the end of the first docking portion 111 to improve the holding force with the first insulating block 3 when insert molding in the first insulating block 3.

[0057] In the illustrated embodiment of the present invention, the plurality of first signal terminals S1 are divided into a plurality of first signal terminal groups DP1, each of which includes two adjacent first signal terminals S1. Each first signal terminal group DP1 is flanked by a first ground terminal G1. This arrangement provides better shielding for the first signal terminal groups DP1, thereby improving signal transmission quality. Preferably, the first signal terminal groups DP1 are used to transmit differential pair signals.

[0058] Please combine Figure 6As shown, the first grounding plate 2 is made of a metal sheet and includes a plurality of first abutting portions 21 and first protruding portions 22 connected to the first abutting portions 21. The first abutting portions 21 contact the corresponding first grounding terminals G1, connecting all the first grounding terminals G1 in series and thereby improving the grounding shielding effect. The first protruding portions 22 protrude toward the second grounding plate 5. The first signal terminals 11 do not contact the corresponding first protruding portions 22 to prevent short circuits.

[0059] Please combine Figure 13 As shown, in the illustrated embodiment of the present invention, the first abutting portion 21 is welded and fixed to the back surface (eg, the lower surface) of the first docking portion 111 of the first ground terminal G1 .

[0060] Please combine Figure 6 As shown, in the illustrated embodiment of the present invention, the first grounding plate 2 includes a first base portion 23, a first extension portion 24, a plurality of first connecting portions 25 connecting the first base portion 23 and the first extension portion 24, and a first opening 26 located between the first base portion 23 and the first extension portion 24. Along the lengthwise direction LL of the tongue plate 93, the length of the first base portion 23 is greater than the length of the first extension portion 24. The first abutting portion 21 is provided on the first base portion 23, the first extension portion 24, and the first connecting portion 25. By spacing the first base portion 23 and the first extension portion 24 along the lengthwise direction LL of the tongue plate 93, the probability of contact between the first grounding plate 2 and the first abutting portion 111 of the first grounding terminal G1 is increased, thereby improving contact reliability.

[0061] Please combine Figure 9 As shown, in the illustrated embodiment of the present invention, the first cable 7 is welded and fixed to the first tail portion 112 of the first conductive terminal 11. The first cable 7 includes a first core 71, a first insulating layer 72 wrapped around the first core 71, a second core 73, a second insulating layer 74 wrapped around the second core 73, a first grounding shield 75 wrapped around the first and second insulating layers 72, 74, a first grounding cable 771 located on one side of the first grounding shield 75, a second grounding cable 772 located on the other side of the first grounding shield 75, and a first insulating sheath 76 wrapped around the first grounding shield 75, the first grounding cable 771, and the second grounding cable 772. The first core 71 and the second core 72 are welded to the first tail portion 112 of a first signal terminal group DP1. The first grounding cable 771 and the second grounding cable 772 are welded to the first ground terminal G1.

[0062] Please combine Figure 7 、 Figure 10 、 Figure 11 as well as Figure 15 As shown, the second terminal group 4 includes a plurality of second conductive terminals 41. The plurality of second conductive terminals 41 include a plurality of second signal terminals S2 and a plurality of second ground terminals G2. Each second conductive terminal 41 is roughly L-shaped, and includes a flat second docking portion 411 and a second tail portion 412 bent downward from the rear end of the second docking portion 411. In the illustrated embodiment of the present invention, the second docking portions 411 are arranged in a row along the width direction WW of the tongue plate 93. A second thinning portion 413 is provided at the end of the second docking portion 411 to increase the holding force with the second insulating block 6 when it is embedded in the second insulating block 6. The first docking portion 111 and the second docking portion 411 are used to contact the conductive terminals (not shown) of the docking connector.

[0063] In the illustrated embodiment of the present invention, the plurality of second signal terminals S2 are divided into a plurality of second signal terminal groups DP2, each of which includes two adjacent second signal terminals S2. Each second signal terminal group DP2 is flanked by a second ground terminal G2. This arrangement provides better shielding for the second signal terminal groups DP2, thereby improving signal transmission quality. Preferably, the second signal terminal groups DP2 are used to transmit differential pair signals.

[0064] The second grounding plate 5 is made of a metal sheet and includes a plurality of second abutting portions 51 and second protruding portions 52 connected to the second abutting portions 51. The second abutting portions 51 contact corresponding second grounding terminals G2, connecting all the second grounding terminals G2 in series and thereby improving the grounding shielding effect. The second protruding portions 52 protrude toward the first grounding plate 2. The second signal terminals S2 do not contact the corresponding second protruding portions 52 to prevent short circuits.

[0065] In the illustrated embodiment of the present invention, the second abutting portion 51 is welded and fixed to the back surface (eg, the upper surface) of the second docking portion 411 of the second ground terminal G2 .

[0066] Please combine Figure 7As shown, in the illustrated embodiment of the present invention, the second grounding plate 5 includes a second base portion 53, a second extension portion 54, a plurality of second connecting portions 55 connecting the second base portion 53 and the second extension portion 54, and a second opening 56 located between the second base portion 53 and the second extension portion 54. Along the lengthwise direction LL of the tongue plate 93, the second base portion 53 is longer than the second extension portion 54. The second abutting portion 51 is provided on the second base portion 53, the second extension portion 54, and the second connecting portion 55. By spacing the second base portion 53 and the second extension portion 54 along the lengthwise direction LL of the tongue plate 93, the probability of contact between the second grounding plate 5 and the second mating portion 411 of the second grounding terminal G2 is increased, thereby improving contact reliability.

[0067] Please combine Figure 11 As shown, in the illustrated embodiment of the present invention, the second cable 8 is welded and fixed to the second tail portion 412 of the second conductive terminal 41. The second cable 8 includes a third core 81, a third insulation layer 82 wrapped around the third core 81, a fourth core 83, a fourth insulation layer 84 wrapped around the fourth core 83, a second ground shield layer 85 wrapped around the third insulation layer 82 and the fourth insulation layer 84, a third grounding cable 871 located on one side of the second ground shield layer 85, a fourth grounding cable 872 located on the other side of the second ground shield layer 85, and a second insulation sheath 86 wrapped around the second ground shield layer 85, the third grounding cable 871, and the fourth grounding cable 872. The third core 81 and the fourth core 82 are each welded to the second tail portion 412 of a second signal terminal group DP2. The third grounding cable 871 and the fourth grounding cable 872 are each welded to the second ground terminal G2.

[0068] Please combine Figure 1 as well as Figure 2 As shown, the tongue plate 93 includes a first surface 931 and a second surface 932 opposite to the first surface 931 . The first docking portion 111 is exposed to the first surface 931 , and the second docking portion 411 is exposed to the second surface 932 .

[0069] Please combine Figure 6 、 Figure 7 as well as Figure 13 As shown, the first grounding plate 2 and the second grounding plate 5 are located between the first docking portion 111 and the second docking portion 411 along the thickness direction TT of the tongue plate 93. The length direction LL of the tongue plate 93, the thickness direction TT of the tongue plate 93, and the width direction WW of the tongue plate 93 are perpendicular to each other.

[0070] In the illustrated embodiment of the present invention, the third insulating block 91 is integrally formed with the first insulating block 3 and the second insulating block 6 by injection molding. Prior to injection molding, the first insulating block 3 and the second insulating block 6 are abutted against each other to ensure the relative positional relationship between the first conductive terminal 11 and the second conductive terminal 41.

[0071] In the illustrated embodiment of the present invention, the outer insulating block 92 is formed into one piece with the first insulating block 3 and the second insulating block 6 by injection molding.

[0072] The electrical connector 100 includes an insulating body 94 . In the illustrated embodiment of the present invention, the insulating body 94 includes the tongue plate 93 and the outer insulating block 92 .

[0073] Those skilled in the art will appreciate that, in other embodiments of the present invention, the structures of the first insulating block 3, the second insulating block 6, and the third insulating block 91 may also be flexibly adjusted. For example, the first insulating block 3 and the second insulating block 6 may also be fixed to the third insulating block 91 by assembly.

[0074] In other embodiments of the present invention, the outer insulating block 92 and the third insulating block 91 may also be injection molded onto the first terminal module 10 and the second terminal module 20 simultaneously.

[0075] The present invention also discloses a method for manufacturing the electrical connector 100, which includes:

[0076] Welding and fixing the first grounding plate 2 to the first grounding terminal G1 in the first terminal group 1 to form a first module;

[0077] Injection molding the first insulating block 3 on the first module to obtain a first terminal module 10;

[0078] Welding and fixing the second grounding plate 5 to the second grounding terminal G2 in the second terminal group 4 to form a second module;

[0079] Injection molding the second insulating block 6 on the second module to obtain a second terminal module 20;

[0080] An insulating material is injection-molded on the first terminal module 10 and the second terminal module 20 to combine the first terminal module 10 and the second terminal module 20 into a whole.

[0081] In the illustrated embodiment of the present invention, the manufacturing method further includes:

[0082] Providing a plurality of first cables 7 and a plurality of second cables 8, and connecting the first cables 7 and the second cables 8 to the corresponding first conductive terminals 11 and the second conductive terminals 41, respectively; and

[0083] Insulating material is injection molded at the connection between the first cable 7 and the first conductive terminal 11 and at the connection between the second cable 8 and the second conductive terminal 41 to form an outer insulating block 92; the outer insulating block 92 is formed as a whole with the first insulating block 3 and the second insulating block 6.

[0084] The other steps of the manufacturing method of the present invention can refer to the description of the structure of the electrical connector 100, and the present invention will not elaborate on them again.

[0085] Compared with the prior art, the present invention adopts a terminal group stacking method to replace the sub-circuit board in the related art, and uses the first conductive terminal 11 and the second conductive terminal 41 to directly transmit signals, which is beneficial to improving the speed of signal transmission; in addition, by setting the first grounding plate 2 and the second grounding plate 5, and arranging the first grounding plate 2 and the second grounding plate 5 along the thickness direction TT of the tongue plate 93 between the first docking portion 111 and the second docking portion 411, the mutual interference between the first docking portion 111 of the first conductive terminal 11 and the second docking portion 411 of the second conductive terminal 41 during signal transmission is reduced, thereby improving the quality of signal transmission.

[0086] The above embodiments are only used to illustrate the present invention and are not intended 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 describes the present invention in detail with reference to the above embodiments, those skilled in the art should understand that those skilled in the art can still modify or make equivalent substitutions to the present invention, and all technical solutions and improvements thereof that do not depart from the spirit and scope of the present invention should be included within the scope of the claims of the present invention.

Claims

1. An electrical connector (100), characterized in that: include: A first terminal group (1), the first terminal group (1) comprising a plurality of first conductive terminals (11), the plurality of first conductive terminals (11) comprising a plurality of first signal terminals (S1) and a plurality of first ground terminals (G1); each first conductive terminal (11) comprising a flat-plate-shaped first docking portion (111); A first grounding plate (2), the first grounding plate (2) comprising a plurality of first abutting portions (21) and first protruding portions (22) connected to the first abutting portions (21); wherein the first signal terminals (S1) are not in contact with the corresponding first protruding portions (22); and the first abutting portions (21) are in contact with the corresponding first grounding terminals (G1) to connect all the first grounding terminals (G1) in series; A second terminal group (4), the second terminal group (4) comprising a plurality of second conductive terminals (41), the plurality of second conductive terminals (41) comprising a plurality of second signal terminals (S2) and a plurality of second ground terminals (G2); each second conductive terminal (41) comprising a flat second docking portion (411); a second grounding plate (5), the second grounding plate (5) comprising a plurality of second abutting portions (51) and second protruding portions (52) connected to the second abutting portions (51); wherein the second signal terminals (S2) are not in contact with the corresponding second protruding portions (52); the second abutting portions (51) are in contact with the corresponding second grounding terminals (G2) to connect all the second grounding terminals (G2) in series; and An insulating body (94), the insulating body (94) comprising a tongue plate (93), the tongue plate (93) comprising a first surface (931) and a second surface (932) opposite to the first surface (931), the first docking portion (111) being exposed to the first surface (931), and the second docking portion (411) being exposed to the second surface (932); The first grounding sheet (2) and the second grounding sheet (5) are located between the first docking portion (111) and the second docking portion (411) along the thickness direction (TT) of the tongue plate (93), and the first grounding sheet (2) and the second grounding sheet (5) are arranged in sequence along the thickness direction (TT) of the tongue plate (93); The first grounding plate (2) comprises a first base (23), a first extension (24), a plurality of first connecting portions (25) connecting the first base (23) and the first extension (24), and a first opening (26) located between the first base (23) and the first extension (24); wherein along the length direction (LL) of the tongue plate (93), the length of the first base (23) is greater than the length of the first extension (24); and the first abutting portion (21) is provided on the first base (23), the first extension (24) and the first connecting portion (25).

2. The electrical connector (100) according to claim 1, characterized in that: The plurality of first signal terminals (S1) are divided into a plurality of first signal terminal groups (DP1), wherein each first signal terminal group (DP1) includes two adjacently arranged first signal terminals (S1); a first grounding terminal (G1) is provided on both sides of each first signal terminal group (DP1); and the first abutting portion (21) is welded and fixed to the first grounding terminal (G1).

3. The electrical connector (100) according to claim 2, characterized in that: The plurality of second signal terminals (S2) are divided into a plurality of second signal terminal groups (DP2), wherein each second signal terminal group (DP2) includes two adjacently arranged second signal terminals (S2); a second grounding terminal (G2) is provided on both sides of each second signal terminal group (DP2); and the second abutting portion (51) is welded and fixed to the second grounding terminal (G2).

4. The electrical connector (100) according to claim 3, characterized in that: The first abutting portion (21) is welded and fixed to the back side of the first docking portion (111) of the first grounding terminal (G1); and the second abutting portion (51) is welded and fixed to the back side of the second docking portion (411) of the second grounding terminal (G2).

5. The electrical connector (100) according to claim 1, characterized in that: The first docking portions (111) are arranged in a row along the width direction (WW) of the tongue plate (93), and the second docking portions (411) are arranged in a row along the width direction (WW), and the width direction (WW) of the tongue plate (93) is perpendicular to the thickness direction (TT) of the tongue plate (93).

6. The electrical connector (100) according to claim 1, characterized in that: The first protrusion (22) protrudes toward the second grounding plate (5), and the second protrusion (52) protrudes toward the first grounding plate (2).

7. The electrical connector (100) according to claim 1, characterized in that: The second grounding plate (5) comprises a second base (53), a second extension (54), a plurality of second connecting portions (55) connecting the second base (53) and the second extension (54), and a second opening (56) located between the second base (53) and the second extension (54); wherein along the length direction (LL) of the tongue plate (93), the length of the second base (53) is greater than the length of the second extension (54); and the second abutting portion (51) is provided on the second base (53), the second extension (54) and the second connecting portion (55).

8. The electrical connector (100) according to claim 1, characterized in that: The electrical connector (100) further comprises a first insulating block (3) and a second insulating block (6), wherein the plurality of first conductive terminals (11) and the first grounding plate (2) are at least partially embedded in the first insulating block (3), and the plurality of second conductive terminals (41) and the second grounding plate (5) are at least partially embedded in the second insulating block (6).

9. The electrical connector (100) according to claim 8, characterized in that: The electrical connector (100) further comprises a third insulating block (91), wherein the third insulating block (91) is integrally formed with the first insulating block (3) and the second insulating block (6), and the insulating body (94) comprises the first insulating block (3), the second insulating block (6) and the third insulating block (91).

10. The electrical connector (100) according to claim 1, characterized in that: The electrical connector (100) further comprises a plurality of first cables (7) and a plurality of second cables (8), wherein the first cables (7) are connected to the corresponding first conductive terminals (11), and the second cables (8) are connected to the corresponding second conductive terminals (41).

11. A method for manufacturing an electrical connector (100), characterized in that: The electrical connector (100) is the electrical connector (100) according to claim 8, and the manufacturing method comprises: Welding and fixing the first grounding plate (2) to the first grounding terminal (G1) in the first terminal group (1) to form a first module; Injection molding the first insulating block (3) on the first module to obtain a first terminal module (10); Welding and fixing the second grounding plate (5) to the second grounding terminal (G2) in the second terminal group (4) to form a second module; Injection molding the second insulating block (6) onto the second module to obtain a second terminal module (20); Insulating material is injection-molded onto the first terminal module (10) and the second terminal module (20) to combine the first terminal module (10) and the second terminal module (20) into a whole.

12. The manufacturing method according to claim 11, wherein: The manufacturing method further comprises: Providing a plurality of first cables (7) and a plurality of second cables (8), and connecting the first cables (7) and the second cables (8) to the corresponding first conductive terminals (11) and the second conductive terminals (41), respectively; and Insulating material is injection-molded at the connection between the first cable (7) and the first conductive terminal (11) and at the connection between the second cable (8) and the second conductive terminal (41) to form an outer insulating block (92); the outer insulating block (92) is integrally formed with the first insulating block (3) and the second insulating block (6).

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