CN219717290U

CN219717290U - Electric connector

Info

Publication number: CN219717290U
Application number: CN202223599228.6U
Authority: CN
Inventors: 姚坤磷; 郭荣哲
Original assignee: Dongguan Luxshare Technology Co Ltd
Current assignee: Dongguan Luxshare Technology Co Ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-09-19
Anticipated expiration: 2032-12-29
Also published as: TWM641516U

Abstract

An electrical connector includes a first terminal set, a first ground plate, a second terminal set, a second ground plate, and an insulative housing. The first terminal group comprises a plurality of first signal terminals and a plurality of first grounding terminals. The first grounding piece connects all the first grounding terminals in series. The second terminal group comprises a plurality of second signal terminals and a plurality of second grounding terminals. The second grounding piece connects all the second grounding terminals in series. The insulator body includes a tongue plate, and the first and second mating portions are exposed at opposite surfaces of the tongue plate. The first grounding piece and the second grounding piece are located between the first terminal group and the second terminal group along the thickness direction of the tongue plate. By the arrangement, mutual interference during signal transmission is reduced, and the quality of signal transmission is improved.

Description

Electric connector

Technical Field

The utility model relates to an electric connector, and belongs to the technical field of connectors.

Background

For ease of arrangement, some electrical connectors in the related art employ a sub-circuit board as a tongue plate of the electrical connector. The relevant electric connector is also provided with a cable or a conductive terminal connected with the sub-circuit board according to different application conditions.

Along with the continuous improvement of the signal transmission requirements of the electric connector, the transmission speed of the signal is lower and distortion is easy to generate when the signal is transmitted in the sub-circuit board.

For this reason, there is a need for an improvement in the electrical connectors in the related art.

Disclosure of Invention

The utility model aims to provide an electric connector with an improved structure and high signal transmission quality.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an electrical connector, comprising:

a first terminal set including a plurality of first conductive terminals including a plurality of first signal terminals and a plurality of first ground terminals; each first conductive terminal comprises a first butting part;

the first grounding piece comprises a plurality of first abutting parts and first protruding parts connected with the first abutting parts; wherein the first signal terminals are not in contact with the respective first bosses; the first abutting portions are in contact with the corresponding first grounding terminals to connect all the first grounding terminals in series;

the second terminal group comprises a plurality of second conductive terminals, and the plurality of second conductive terminals comprise a plurality of second signal terminals and a plurality of second grounding terminals; each second conductive terminal comprises a second butting part;

the second grounding piece comprises a plurality of second abutting parts and second protruding parts connected with the second abutting parts; wherein the second signal terminals are not in contact with the respective second bosses; the second abutting portions are in contact with the corresponding second ground terminals to connect all the second ground terminals in series; and

an insulating body including a tongue plate including a first surface to which the first butt joint portion is exposed and a second surface opposite to the first surface to which the second butt joint portion is exposed;

the first grounding piece and the second grounding piece are located between the first butt joint part and the second butt joint part along the thickness direction of the tongue plate.

As a further improved technical scheme of the utility model, the plurality of first signal terminals are divided into a plurality of first signal terminal groups, wherein each first signal terminal group comprises two first signal terminals which are adjacently arranged; the two sides of each first signal terminal group are provided with one first grounding terminal; the first abutting portion is fixed to the first ground terminal by welding.

As a further improved technical scheme of the utility model, the plurality of second signal terminals are divided into a plurality of second signal terminal groups, wherein each second signal terminal group comprises two second signal terminals which are adjacently arranged; two sides of each second signal terminal group are provided with one second grounding terminal; the second abutting portion is fixed to the second ground terminal by welding.

As a further improved technical scheme of the utility model, the first abutting part is welded and fixed on the back surface of the first abutting part of the first grounding terminal; the second abutting portion is welded and fixed to the back face of the second abutting portion of the second grounding terminal.

As a further improved technical scheme of the utility model, the first butt joint parts are arranged in a row along the width direction of the tongue plate, the second butt joint parts 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.

As a further improved technical scheme of the utility model, the first protruding part protrudes towards the second grounding plate, and the second protruding part protrudes towards the first grounding plate.

As a further improved technical scheme of the utility model, the first grounding piece comprises a first base part, a first extension part, a plurality of first connecting parts for connecting the first base part and the first extension part, and a first opening positioned between the first base part and the first extension part; wherein the length of the first base is greater than the length of the first extension along the length of the tongue plate; the first abutting portion is arranged on the first base portion, the first extending portion and the first connecting portion.

As a further improved technical scheme of the utility model, the second grounding piece comprises a second base part, a second extension part, a plurality of second connection parts for connecting the second base part and the second extension part, and a second opening positioned between the second base part and the second extension part; wherein the length of the second base is greater than the length of the second extension along the length of the tongue plate; the second abutting portion is arranged on the second base portion, the second extending portion and the second connecting portion.

As a further improved technical scheme of the utility model, the electric connector further comprises a first insulating block and a second insulating block, wherein the first conductive terminals and the first grounding pieces are at least partially embedded in the first insulating block, and the second conductive terminals and the second grounding pieces are at least partially embedded in the second insulating block.

As a further improved technical scheme of the utility model, the electric connector further comprises a third insulation block, the first insulation block and the second insulation block are integrally formed, and the insulation body comprises the first insulation block, the second insulation block and the third insulation block.

As a further improved technical scheme of the utility model, the electric connector further comprises a plurality of first cables and a plurality of second cables, wherein the first cables are connected with the corresponding first conductive terminals, and the second cables are connected with the corresponding second conductive terminals.

Compared with the prior art, the utility model adopts a mode of overlapping the terminal groups to replace a sub-circuit board in the related art, and utilizes the first conductive terminal and the second conductive terminal to directly transmit signals, thereby being beneficial to improving the speed of signal transmission; in addition, through setting up first grounding piece and second grounding piece, and will first grounding piece and second grounding piece is followed the thickness direction of hyoid plate locates between first butt joint portion with the second butt joint portion, reduced first conductive terminal's first butt joint portion with second conductive terminal's second butt joint portion is the mutual interference when signal transmission, has improved signal transmission's quality.

Drawings

Fig. 1 is a schematic perspective view of an electrical connector of the present utility model in one 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, with the outer insulating block separated.

Fig. 4 is a further partially exploded perspective view of fig. 3, with the third insulating block also separated.

Fig. 5 is an exploded perspective view of the first and second terminal modules of fig. 4 separated from each other.

Fig. 6 is an exploded perspective view of the first terminal module shown in fig. 5.

Fig. 7 is an exploded perspective view of the second terminal module shown in fig. 6.

Fig. 8 is an exploded perspective view of another angle of the first module.

Fig. 9 is a partial enlarged view of the circled portion a in fig. 8.

Fig. 10 is an exploded perspective view of the second terminal module at another angle.

Fig. 11 is a partially enlarged view of the circled portion B in fig. 10.

Fig. 12 is a front view of the first conductive terminal, the second conductive terminal, the first cable, and the second cable of fig. 4.

Fig. 13 is a right side view of fig. 12.

Fig. 14 is a schematic cross-sectional view taken along line C-C of fig. 1.

Fig. 15 is a partially enlarged view of the picture frame portion D in fig. 14.

Detailed Description

Exemplary embodiments of the present utility model will be described in detail below with reference to the accompanying drawings. If there are several specific embodiments, the features in these embodiments can be combined with each other without conflict. When the description refers to the accompanying drawings, the same numbers in different drawings denote the same or similar elements, unless otherwise specified. What is described in the following exemplary embodiments does not represent all embodiments consistent with the utility model; rather, they are merely examples of apparatus, articles, and/or methods that are consistent with aspects of the utility model as set forth in the claims.

The terminology used in the present utility model is for the purpose of describing particular embodiments only and is not intended to limit the scope of the present utility model. As used in the specification and claims of the present utility model, the singular forms "a," "an," or "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be understood that words such as "first," "second," and the like, used in the description and in the claims of the present utility model, do not denote any order, quantity, or importance, but rather are names used to distinguish one feature from another. Likewise, the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. Unless otherwise indicated, the terms "front," "rear," "upper," "lower," and the like are used herein for convenience of description and are not limited to a particular location or to a spatial orientation. The word "comprising" or "comprises", and the like, is an open-ended expression, meaning that elements appearing before "comprising" or "including", encompass the elements appearing after "comprising" or "including", and equivalents thereof, and not exclude that elements appearing before "comprising" or "including", may also include other elements. In the present utility model, if a plurality of the above-mentioned components are present, the meaning of the above-mentioned components is two or more.

Referring to fig. 1 to 15, the present utility model 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 cables 7 and the first terminal module 10 and the junction of the second cables 8 and the second terminal module 20.

In the illustrated embodiment of the utility model, 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 be a board-side connector, i.e., the electrical connector 100 is configured to be mounted on a circuit board (not shown). At this time, the electrical connector 100 may not have the first cables 7 and the second cables 8.

Referring to fig. 6, in the illustrated embodiment of the utility model, the first terminal module 10 includes a first terminal set 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 set 1 and the first grounding plate 2. In other words, the first terminal group 1 and the first ground plate 2 are at least partially embedded in the first insulating block 3.

Referring to fig. 7, in the illustrated embodiment of the utility model, the second terminal module 20 includes a second terminal set 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 set 4 and the second grounding plate 5. In other words, the second terminal set 4 and the second ground tab 5 are at least partially embedded in the second insulating block 6.

Referring to fig. 1, the electrical connector 100 includes a tongue plate 93, and the tongue plate 93 is configured to be inserted into a slot of a mating connector. In the illustrated embodiment of the utility model, the tongue plate 93 includes the third insulating block 91, the first insulating block 3, and the second insulating block 6.

As shown in fig. 6, 8, 9 and 15, the first terminal set 1 includes a plurality of first conductive terminals 11. The first conductive terminals 11 include first signal terminals S1 and first ground terminals G1. Each first conductive terminal 11 is substantially L-shaped and includes a flat first mating portion 111 and a first tail portion 112 bent downward from a rear end of the first mating portion 111. In the illustrated embodiment of the utility model, the first abutting portions 111 are arranged in a row along the width direction W-W of the tongue plate 93. The end of the first butt joint part 111 is provided with a first thinning part 113 to improve the holding force with the first insulating block 3 when the first butt joint part is embedded and molded on the first insulating block 3.

In the illustrated embodiment of the present utility model, 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 of the first signal terminals S1 adjacently disposed; each of the first signal terminal groups DP1 is provided with one of the first ground terminals G1 on both sides thereof. This arrangement is advantageous in providing a better shielding of the first signal terminal set DP1 and thus improving the quality of signal transmission. Preferably, the first signal terminal set DP1 is used to transmit a differential pair signal (Differential Pair signals).

As shown in fig. 6, the first grounding plate 2 is made of a metal sheet, and the first grounding plate 2 includes a plurality of first abutting portions 21 and first protruding portions 22 connected to the first abutting portions 21. The first abutting portion 21 contacts the corresponding first ground terminal G1 to connect all the first ground terminals G1 in series, thereby improving the ground shielding effect. The first boss 22 protrudes toward the second ground plate 5. The first signal terminals 11 are not in contact with the corresponding first protrusions 22 to prevent short circuits.

As shown in fig. 13, in the illustrated embodiment of the utility model, the first abutting portion 21 is welded and fixed to the back surface (for example, the lower surface) of the first abutting portion 111 of the first ground terminal G1.

Referring to fig. 6, in the illustrated embodiment of the utility model, the first grounding plate 2 includes a first base 23, a first extension 24, a plurality of first connection portions 25 connecting the first base 23 and the first extension 24, and a first opening 26 between the first base 23 and the first extension 24. Along the length direction L-L of the tongue plate 93, the length of the first base 23 is greater than the length of the first extension 24; the first abutting portion 21 is provided on the first base portion 23, the first extending portion 24, and the first connecting portion 25. By arranging the first base 23 and the first extension 24 at intervals along the length direction L-L of the tongue plate 93, the probability of the first grounding plate 2 contacting the first abutting portion 111 of the first grounding terminal G1 is increased, thereby improving contact reliability.

Referring to fig. 9, in the illustrated embodiment of the utility model, the first cable 7 is soldered to the first tail 112 of the first conductive terminal 11. The first cable 7 includes a first core 71, a first insulation layer 72 wrapped on the first core 71, a second core 73, a second insulation layer 74 wrapped on the second core 73, a first ground shield layer 75 wrapped on the first insulation layer 72 and the second insulation layer 74, a first ground cable 771 positioned at one side of the first ground shield layer 75, a second ground cable 772 positioned at the other side of the first ground shield layer 75, and a first insulation cover 76 wrapped on the first ground shield layer 75, the first ground cable 771, and the second ground cable 772. The first core 71 and the second core 72 are soldered to the first tail 112 of the first signal terminal set DP 1. The first ground cable 771 and the second ground cable 772 are soldered to the first ground terminal G1 correspondingly.

As shown in fig. 7, 10, 11 and 15, the second terminal set 4 includes a plurality of second conductive terminals 41. The second conductive terminals 41 include second signal terminals S2 and second ground terminals G2. Each second conductive terminal 41 is substantially L-shaped and includes a flat second abutting portion 411 and a second tail portion 412 bent downward from a rear end of the second abutting portion 411. In the illustrated embodiment of the present utility model, the second abutting portions 411 are arranged in a row along the width direction W-W of the tongue plate 93. The second butt joint part 411 is provided with a second thinned part 413 at the end thereof to enhance the holding force with the second insulating block 6 when insert-molded to the second insulating block 6. The first docking portion 111 and the second docking portion 411 are configured to contact conductive terminals (not shown) of a docking connector.

In the illustrated embodiment of the present utility model, 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 of the second signal terminals S2 adjacently disposed; two sides of each second signal terminal group DP2 are provided with one second ground terminal G2. This arrangement is advantageous in providing a better shielding of the second signal terminal set DP2 and thus improving the quality of signal transmission. Preferably, the second signal terminal set DP2 is configured to transmit a differential pair signal (Differential Pair signals).

The second grounding plate 5 is made of a metal sheet, and the second grounding plate 5 includes a plurality of second abutting portions 51 and second protruding portions 52 connected to the second abutting portions 51. The second abutting portion 51 contacts the corresponding second ground terminal G2 to connect all the second ground terminals G2 in series, thereby improving the ground shielding effect. The second boss 52 protrudes toward the first ground plate 2. The second signal terminals S2 do not contact the corresponding second protrusions 52 to prevent short circuits.

In the illustrated embodiment of the present utility model, the second abutting portion 51 is welded and fixed to the back surface (for example, the upper surface) of the second abutting portion 411 of the second ground terminal G2.

Referring to fig. 7, in the illustrated embodiment of the utility model, the second grounding plate 5 includes a second base 53, a second extension 54, a plurality of second connection portions 55 connecting the second base 53 and the second extension 54, and a second opening 56 between the second base 53 and the second extension 54. Along the length direction L-L of the tongue plate 93, the length of the second base 53 is greater than the length of the second extension 54; the second abutting portion 51 is provided on the second base portion 53, the second extending portion 54, and the second connecting portion 55. By arranging the second base 53 and the second extension 54 at intervals along the length direction L-L of the tongue plate 93, the probability of the second grounding plate 5 contacting the second abutting portion 411 of the second grounding terminal G2 is increased, thereby improving contact reliability.

Referring to fig. 11, in the illustrated embodiment of the utility model, the second cable 8 is soldered 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 on the third core 81, a fourth core 83, a fourth insulation layer 84 wrapped on the fourth core 83, a second ground shield layer 85 wrapped on the third insulation layer 82 and the fourth insulation layer 84, a third ground cable 871 located at one side of the second ground shield layer 85, a fourth ground cable 872 located at the other side of the second ground shield layer 85, and a second insulation cover 86 wrapped on the second ground shield layer 85, the third ground cable 871, and the fourth ground cable 872. The third core 81 and the fourth core 82 are soldered to the second tail 412 of the second signal terminal set DP 2. The third ground cable 871 and the fourth ground cable 872 are soldered to the second ground terminal G2.

As shown in fig. 1 and 2, 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.

As shown in fig. 6, 7 and 13, the first grounding plate 2 and the second grounding plate 5 are located between the first abutting portion 111 and the second abutting portion 411 along the thickness direction T-T of the tongue plate 93. The length direction L-L of the tongue plate 93, the thickness direction T-T of the tongue plate 93, and the width direction W-W of the tongue plate 93 are perpendicular to each other.

In the illustrated embodiment of the present utility model, the third insulating block 91 is integrally formed with the first insulating block 3 and the second insulating block 6 by injection molding. Before injection molding, the first insulating block 3 and the second insulating block 6 are abutted against each other to ensure the mutual positional relationship between the first conductive terminal 11 and the second conductive terminal 41.

In the illustrated embodiment of the present utility model, the outer insulating block 92 is integrally formed with the first insulating block 3 and the second insulating block 6 by injection molding.

The electrical connector 100 includes an insulative body 94. In the illustrated embodiment of the utility model, the insulator body 94 includes the tongue plate 93 and the outer insulator 92.

It will be appreciated by those skilled in the art that in other embodiments of the present utility model, the structures of the first insulating block 3, the second insulating block 6, and the third insulating block 91 may be flexibly adjusted. For example, the first insulating block 3 and the second insulating block 6 may be fixed to the third insulating block 91 by assembling.

In other embodiments of the present utility model, the outer insulating block 92 may be injection molded on the first terminal module 10 and the second terminal module 20 simultaneously with the third insulating block 91.

The utility model also discloses a manufacturing method of the illustrated electric connector 100, which comprises the following steps:

welding and fixing the first grounding piece 2 on 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 piece 5 on the second grounding terminal G2 in the second terminal group 4 to form a second module;

injection molding the second insulating block 6 on the second module to obtain a second terminal module 20;

an insulating material is injection-molded on the first and second terminal modules 10 and 20 to integrate the first and second terminal modules 10 and 20.

In the illustrated embodiment of the utility model, the manufacturing method further includes:

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 with the corresponding first conductive terminals 11 and the second conductive terminals 41 respectively; and

injection molding an insulating material at the junction of the first cable 7 and the first conductive terminal 11 and the junction of 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.

Other steps of the method of manufacturing the present utility model may refer to the description of the structure of the electrical connector 100, and the present utility model will not be repeated.

Compared with the prior art, the utility model replaces the sub-circuit board in the related art by adopting the mode of stacking the terminal groups, and utilizes the first conductive terminal 11 and the second conductive terminal 41 to directly transmit signals, thereby being beneficial to improving the speed of signal transmission; in addition, by providing the first grounding plate 2 and the second grounding plate 5, and providing the first grounding plate 2 and the second grounding plate 5 between the first abutting portion 111 and the second abutting portion 411 along the thickness direction T-T of the tongue plate 93, mutual interference between the first abutting portion 111 of the first conductive terminal 11 and the second abutting portion 411 of the second conductive terminal 41 during signal transmission is reduced, and quality of signal transmission is improved.

The above embodiments are only for illustrating the present utility model and not for limiting the technical solutions described in the present utility model, and it should be understood that the present utility model should be based on those skilled in the art, and although the present utility model has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the present utility model without departing from the spirit and scope of the present utility model and modifications thereof should be covered by the scope of the claims of the present utility model.

Claims

1. An electrical connector (100), comprising:

a first terminal group (1), the first terminal group (1) comprising a number of first conductive terminals (11), the number of first conductive terminals (11) comprising a number of first signal terminals (S1) and a number of first ground terminals (G1); each first conductive terminal (11) comprises a first mating portion (111);

the first grounding piece (2), the first grounding piece (2) comprises a plurality of first abutting parts (21) and first protruding parts (22) connected with the first abutting parts (21); wherein the first signal terminals (S1) are not in contact with the respective first bosses (22); the first abutting portion (21) is in contact with the corresponding first ground terminal (G1) to connect all the first ground terminals (G1) in series;

a second terminal group (4), the second terminal group (4) comprising a number of second conductive terminals (41), the number of second conductive terminals (41) comprising a number of second signal terminals (S2) and a number of second ground terminals (G2); each second conductive terminal (41) comprises a second butting portion (411);

the second grounding piece (5), the second grounding piece (5) comprises a plurality of second abutting parts (51) and second protruding parts (52) connected with the second abutting parts (51); wherein the second signal terminals (S2) are not in contact with the respective second protrusions (52); the second abutting portion (51) is in contact with the corresponding second ground terminal (G2) to connect all the second ground 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 the first surface (931), the first docking portion (111) being exposed to the first surface (931), the second docking portion (411) being exposed to the second surface (932);

wherein the first grounding piece (2) and the second grounding piece (5) are positioned between the first butt joint part (111) and the second butt joint part (411) along the thickness direction (T-T) of the tongue plate (93).

2. The electrical connector (100) of claim 1, wherein: the plurality of first signal terminals (S1) are divided into a plurality of first signal terminal groups (DP 1), wherein each first signal terminal group (DP 1) comprises two first signal terminals (S1) which are adjacently arranged; two sides of each first signal terminal group (DP 1) are provided with one first grounding terminal (G1); the first contact portion (21) is fixed to the first ground terminal (G1) by welding.

3. The electrical connector (100) of claim 2, wherein: the plurality of second signal terminals (S2) are divided into a plurality of second signal terminal groups (DP 2), wherein each second signal terminal group (DP 2) comprises two second signal terminals (S2) which are adjacently arranged; two sides of each second signal terminal group (DP 2) are provided with one second grounding terminal (G2); the second contact portion (51) is fixed to the second ground terminal (G2) by welding.

4. The electrical connector (100) of claim 3, wherein: the first abutting part (21) is welded and fixed on the back surface of a first abutting part (111) of the first grounding terminal (G1); the second abutting portion (51) is welded and fixed to the back surface of the second abutting portion (411) of the second ground terminal (G2).

5. The electrical connector (100) of claim 1, wherein: the first abutting portions (111) are arranged in a row along a width direction (W-W) of the tongue plate (93), the second abutting portions (411) are arranged in a row along the width direction (W-W), and the width direction (W-W) of the tongue plate (93) is perpendicular to a thickness direction (T-T) of the tongue plate (93).

6. The electrical connector (100) of claim 1, wherein: the first protruding part (22) protrudes toward the second grounding piece (5), and the second protruding part (52) protrudes toward the first grounding piece (2).

7. The electrical connector (100) of claim 1, wherein: the first grounding piece (2) comprises a first base (23), a first extension part (24), a plurality of first connecting parts (25) for connecting the first base (23) and the first extension part (24), and a first opening (26) positioned between the first base (23) and the first extension part (24); wherein the length of the first base (23) is greater than the length of the first extension (24) along the length direction (L-L) of the tongue plate (93); the first abutting portion (21) is provided to the first base portion (23), the first extending portion (24), and the first connecting portion (25).

8. The electrical connector (100) of claim 7, wherein: the second grounding piece (5) comprises a second base (53), a second extension part (54), a plurality of second connecting parts (55) for connecting the second base (53) and the second extension part (54), and a second opening (56) positioned between the second base (53) and the second extension part (54); wherein the length of the second base portion (53) is greater than the length of the second extension portion (54) along the length direction (L-L) of the tongue plate (93); the second abutting portion (51) is provided to the second base portion (53), the second extending portion (54), and the second connecting portion (55).

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

10. The electrical connector (100) of claim 9, wherein: the electric connector (100) further comprises a third insulating block (91), 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).

11. The electrical connector (100) of claim 1, wherein: 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 with the corresponding first conductive terminals (11), and the second cables (8) are connected with the corresponding second conductive terminals (41).