CN112542742B

CN112542742B - Electrical connector

Info

Publication number: CN112542742B
Application number: CN202011253320.XA
Authority: CN
Inventors: 何志立; 朱送良
Original assignee: Lotes Co Ltd
Current assignee: Lotes Co Ltd
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2022-05-24
Anticipated expiration: 2040-11-11
Also published as: CN112542742A

Abstract

The invention discloses an electric connector, which comprises an insulating body and at least two differential pairs, wherein each differential pair consists of a first signal terminal and a second signal terminal, the first signal terminal and the second signal terminal are provided with butt joint parts and main body parts which extend along a first direction, a plurality of butt joint parts are arranged in a row at intervals along a second direction, a first conductive plastic part is embedded in the insulating body and positioned between the two adjacent main body parts to separate the two adjacent differential pairs, a first through groove penetrates through the first conductive plastic part along a third direction and is positioned between the two adjacent differential pairs, the first through groove is positioned between the first side edge and the second side edge which are opposite to each other in the second direction of the first conductive plastic part, the first conductive plastic part absorbs noise signals between the two adjacent differential pairs, the first through groove is used for preventing the signal interference of one of the two adjacent differential pairs on the other differential pair, realize the convenient and effectual electric connector of shielding of equipment.

Description

Electrical connector

Technical Field

The present invention relates to an electrical connector, and more particularly, to a high-speed backplane electrical connector.

Background

An existing electrical connector includes a plurality of signal modules arranged at intervals in a left-right direction, each signal module includes an insulating member, a plurality of differential pairs arranged at intervals in a top-bottom direction and fixed to the insulating member, a first shielding member and a second shielding member, the first shielding member and the second shielding member are assembled on opposite sides of the insulating member in the left-right direction, the first shielding member and the second shielding member can only shield signal interference between the differential pairs on two adjacent signal modules, but cannot shield signal interference between two adjacent differential pairs in the same signal module, so that signal crosstalk is easily generated between two adjacent differential pairs in the same module, and transmission rate is reduced, in order to solve the problem, a skilled person in the art would convexly arrange a protruding rib on the first shielding member between two adjacent differential pairs in the top-bottom direction, but the protruding rib has limited thickness and width, still can't effectively separate two adjacent differential pairs, can't play good shielding effect to the signal interference between two adjacent differential pairs, design like this makes first shielding part forming process complicated moreover, and the equipment is comparatively difficult, and the space that just occupies the insulating part is great, increases electric connector's volume.

Therefore, there is a need for an electrical connector that overcomes the above problems.

Disclosure of Invention

The invention aims to provide an electric connector which is provided with a first conductive plastic part embedded in an insulating body and positioned between main body parts of two adjacent differential pairs to separate the two differential pairs, wherein the first conductive plastic part can absorb noise signals between the two adjacent differential pairs, and a first through groove penetrates through the first conductive plastic part to block signal interference generated by one differential pair and the other differential pair in the two adjacent differential pairs, so that crosstalk is improved, and the electric connector is simple in forming, convenient to assemble and good in shielding effect.

In order to achieve the purpose, the invention adopts the following technical scheme:

an electrical connector for mating with a mating connector in a first orientation, comprising: an insulating body; at least two differential pairs fixed to the insulating body, each differential pair including a first signal terminal and a second signal terminal, each of the first signal terminal and the second signal terminal having a mating portion extending in the first direction, a mounting portion for mounting, and a main body portion connecting the mating portion and the mounting portion, the mating portions of the first signal terminals and the mating portions of the second signal terminals being arranged in a row at intervals in a second direction perpendicular to the first direction; at least one first electrically conductive plastic part, inlay and locate insulator just is located adjacent two differential pair in order to separate adjacent two between the main part differential pair, first electrically conductive plastic part have the edge first section that first direction extends and with a second section that first section extending direction is different, the second section is more first section is closer to the installation department, first electrically conductive plastic part is along the perpendicular to first direction with the third direction of second direction runs through and is equipped with a first logical groove, first logical groove at least part is located first section or/and the second section, first electrically conductive plastic part is in have relative first lateral margin and a second lateral margin in the second direction, first logical groove is located first lateral margin with between the second lateral margin.

Furthermore, each of the first signal terminal and the second signal terminal has a bending portion located between the butt-joint portion and the mounting portion, the first conductive plastic part has a bending section located between the first section and the second section, the bending section is located between two adjacent bending portions, and the first through groove is at least partially located in the bending section.

Furthermore, a first shielding piece and a second shielding piece are arranged on the two opposite sides of the insulating body along the third direction cover, the first signal terminals are arranged between the first shielding piece and the second shielding piece, and the first shielding piece, the second shielding piece and the first conductive plastic piece are electrically connected.

Furthermore, a first shielding element is fixed to one side of the insulating body in the third direction, the first shielding element is bent towards the first conductive plastic part and extends to form a contact arm, and the contact arm enters the first through groove and is in contact with the first conductive plastic part.

Furthermore, at least one first ground terminal is fixed to the insulating body, the first ground terminal is located two adjacent first signal terminals and is arranged between the main body portions to separate two adjacent differential pairs, a first groove penetrates through the first ground terminal along the third direction, the first conductive plastic part is partially embedded in the first groove, and the first ground terminal does not extend to two adjacent butt-joint portions.

Further, the insulation body includes a first insulation block and a second insulation block stacked along the third direction, the plurality of first signal terminals and the first conductive plastic part are fixed to the first insulation block, the first conductive plastic part is located between two adjacent first signal terminals, the plurality of second signal terminals and at least one second conductive plastic part are fixed to the second insulation block, the second conductive plastic part is located between two adjacent second signal terminals, the first conductive plastic part and the second conductive plastic part are respectively arranged between two adjacent differential pairs, each second conductive plastic part is provided with a second through groove penetrating along the third direction, the second through groove is located between two adjacent second signal terminals, and the second conductive plastic part has a third side edge and a fourth side edge opposite to each other in the second direction, the second channel is located between the third side edge and the fourth side edge.

Furthermore, the second conductive plastic part and the first conductive plastic part are aligned in the third direction, and the second through groove and the first through groove are aligned in the third direction.

Further, projections of the two main body portions in each differential pair in the third direction coincide, the first conductive plastic part is located between the main body portions of two adjacent first signal terminals, and the second conductive plastic part is located between the main body portions of two adjacent second signal terminals.

Further, a first deflection portion is disposed between the main body portion of the first signal terminal and the abutting portion thereof, a second deflection portion is disposed between the main body portion of the first signal terminal and the mounting portion thereof, a third deflection portion is disposed between the main body portion of the second signal terminal and the abutting portion thereof, a fourth deflection portion is disposed between the main body portion of the second signal terminal and the mounting portion thereof, deflection directions of the first deflection portion and the third deflection portion in the same differential pair are opposite, and deflection directions of the second deflection portion and the fourth deflection portion in the same differential pair are opposite.

Further, a first shielding part is followed the third direction is fixed in one side of insulator, first electrically conductive plastic part orientation the protruding bulge that is equipped with of first shielding part, the first shielding part is concave to be equipped with a shrinkage pool, the bulge stretch into in the shrinkage pool and with first shielding part contact.

Further, the plurality of first signal terminals and the plurality of second signal terminals are alternately arranged along the second direction, and the first conductive plastic part is located between two adjacent differential pairs.

Further, the thickness of the first conductive plastic part in the third direction is greater than the thickness of the first signal terminal in the third direction, and the width of the first conductive plastic part in the second direction is greater than the width of the first signal terminal in the second direction.

An electrical connector for mating with a mating connector in a first orientation, comprising: an insulating body, which is concavely provided with at least one first embedding groove; at least two differential pairs and at least one first ground terminal, both fixed to the insulating body, the first ground terminal being located between two adjacent differential pairs, each differential pair being composed of a first signal terminal and a second signal terminal, each of the first signal terminal and the second signal terminal having a mating portion extending in the first direction, a mounting portion for mounting, and a main body portion connecting the mating portion and the mounting portion, the mating portions of the plurality of first signal terminals and the mating portions of the plurality of second signal terminals being arranged in a row at intervals in a second direction perpendicular to the first direction, a first groove corresponding to the first fitting groove is formed in the first ground terminal along a third direction perpendicular to the first direction and the second direction, and the first groove is located in the middle of the first fitting groove in the third direction; at least one first conductive plastic part, which is injection molded on the insulating body and is located between the main body parts of two adjacent differential pairs to separate the two adjacent differential pairs, and enters the first groove through the first embedding groove, filling the first embedding groove and the first groove, wherein the first conductive plastic part is provided with a first section extending along the first direction and a second section extending along the second direction, the second section is closer to the mounting part than the first section, the first conductive plastic part is provided with a first through groove in a penetrating way along the third direction, the first through groove is partially located in the first section and partially located in the second section, the first conductive plastic part is provided with a first lateral edge and a second lateral edge in the first direction, and the first through groove is located between the first lateral edge and the second lateral edge.

Further, the insulating body includes a first insulating block and a second insulating block stacked in the third direction, the first signal terminals and the first ground terminals are fixed to the first insulating block, the second signal terminals and the at least one second ground terminal are fixed to the second insulating block, the first engaging groove is located in the first insulating block, the second insulating block is provided with at least one second engaging groove extending in the third direction, the second ground terminal is located between two adjacent second signal terminals, the second ground terminal is provided with a second groove corresponding to the second engaging groove extending in the third direction, at least one second conductive plastic member is partially inserted into the second groove and partially inserted into the second engaging groove to separate the two adjacent second signal terminals, the second conductive plastic member is provided with a second through groove extending in the third direction, the second conductive plastic part is provided with a third side edge and a fourth side edge which are opposite to each other in the second direction, and the second through groove is located between the third side edge and the fourth side edge.

Furthermore, the first conductive plastic part and the second conductive plastic part are located on the same side of the differential pair, and projections of the first through groove and the second through groove in the third direction are overlapped.

Furthermore, a first shielding member is fixed to one side of the first insulating block along the third direction, the first shielding member is bent and extended towards the first conductive plastic member to form a contact arm, and the contact arm penetrates through the first through groove and enters the second through groove and is in contact with the first conductive plastic member and the second conductive plastic member.

Furthermore, the first insulating block is provided with a first through hole along a third direction in a penetrating manner, the first ground terminal is provided with a first clamping hole corresponding to the first through hole along the third direction in a penetrating manner, the first clamping hole is located in front of the first groove in the first direction, the first shielding piece bends and extends towards the first ground terminal to form a first clamping arm, the first clamping arm penetrates through the first through hole to be fixed with the first clamping hole in a buckling manner, and the first shielding piece extends along the first direction to form a shielding part so as to cover the first signal terminal and the second signal terminal in the third direction in a plurality of abutting parts.

Furthermore, a second through hole penetrates through the second insulating block along the third direction, a second clamping hole corresponding to the second through hole penetrates through the second ground terminal along the third direction, the second clamping hole is located in front of the second groove in the first direction, a second shielding piece is located on one side, away from the first shielding piece, of the second insulating block, the second shielding piece is fixed with the first shielding piece in a buckling mode, the second shielding piece bends and extends towards the second ground terminal to form a second clamping arm, the second clamping arm penetrates through the second through hole to be fixed with the second clamping hole in a buckling mode, a penetrating groove penetrates through the second shielding piece, and the contact arm enters the penetrating groove.

An electrical connector for mating with a mating connector in a first orientation, comprising: an insulating body; at least two differential pairs fixed to the insulating body, each differential pair including a first signal terminal and a second signal terminal, each of the first signal terminal and the second signal terminal having a mating portion extending in a first direction, a mounting portion for mounting, and a main body portion connecting the mating portion and the mounting portion, the mating portions of the first signal terminals and the mating portions of the second signal terminals being arranged in a row at intervals in a second direction perpendicular to the first direction; at least one first electrically conductive plastic part inlays to be located insulator just is located adjacent two the difference is to the main part in order to separate adjacent two the difference is to, first electrically conductive plastic part is along the perpendicular to first direction with the third direction of second direction runs through and is equipped with a first logical groove, the one end in first logical groove is followed first direction extends, first logical groove is in lie in adjacent two on the second direction between the difference pair, first electrically conductive plastic part is in have relative first lateral margin and a second lateral margin in the second direction, first logical groove is located first lateral margin with between the second lateral margin.

Further, the installation department extends along the second direction, each first signal terminal with the second signal terminal all has and is located butt joint portion with a kink between the installation department, first electrically conductive plastic part has along a first section that first direction extends and along a second section that the second direction extends and connect first section with a turn section of second section, the turn section is located between two adjacent kinks, first section, turn section and the second section all runs through and is equipped with first logical groove.

Compared with the prior art, the invention has the following beneficial effects:

the first conductive plastic part is embedded in the first insulator and positioned between the main body parts of two adjacent differential pairs to separate the two differential pairs, the first conductive plastic part can absorb noise signals between the two differential pairs, the first conductive plastic part is simple to form and convenient to assemble, the thickness of the insulating body along the third direction is not increased, thereby not enlarging the volume of the electric connector, the first conductive plastic part is provided with the first section extending along the first direction and the second section which is different from the first section in the extending direction, the second section is closer to the mounting part than the first section, so that the two adjacent differential pairs of the first conductive plastic part pair are shielded between the two adjacent differential pairs close to the butt joint part and the part close to the mounting part; the first conductive plastic part is provided with a first through groove in the third direction in a penetrating manner, the first through groove is located in the first section or/and the second section, the first conductive plastic part is provided with a first lateral edge and a second lateral edge which are opposite to each other in the second direction, the first through groove is located between the first lateral edge and the second lateral edge, and the first through groove is used for blocking signal interference caused by one of the two adjacent differential pairs to the other differential pair, so that interference signals are prevented from being directly conducted to the second lateral edge via the first lateral edge in the second direction, signal crosstalk between the two adjacent differential pairs is effectively reduced, mutual interference between transmission signals of the two adjacent differential pairs is realized, and high-frequency signal transmission is facilitated.

[ description of the drawings ]

Fig. 1 is a perspective assembly view of an electrical connector according to a first embodiment of the present invention;

FIG. 2 is a partially exploded perspective view of FIG. 1;

FIG. 3 is an exploded perspective view of the electrical module;

FIG. 4 is a side view of the electrical module of FIG. 3;

FIG. 5 is the assembled view of FIG. 4 with the dielectric body and the first shield removed;

FIG. 6 is a cross-sectional view taken along the direction H-H in FIG. 4;

FIG. 7 is a perspective assembly view of the electrical connector according to the second embodiment of the present invention;

FIG. 8 is a partial exploded perspective view of FIG. 7;

FIG. 9 is an exploded perspective view of the electrical module of FIG. 8;

FIG. 10 is a partial perspective assembly view of FIG. 9;

fig. 11 is a schematic diagram of a plurality of differential pairs, a plurality of first ground terminals, a plurality of second ground terminals, a plurality of first conductive plastic parts, and a plurality of second conductive plastic parts;

FIG. 12 is a side view of an electrical module;

fig. 13 is a schematic view of fig. 12 with the insulating body, the first shielding member and the second shielding member omitted;

fig. 14 is a sectional view taken along the direction I-I of fig. 12.

Detailed description of the embodiments reference is made to the accompanying drawings in which:

electrical connector 100	Electrical property module A	Insulating body 1	First insulating block 1B
				First fitting groove 11	First through hole 12	Second insulating block 1C	Second fitting groove 13
Second through hole 14	Differential pair 2	First signal terminal 2D	Second signal terminal 2E
				Butt joint part 21	First elastic arm 211	The first docking portion 2111	Second elastic arm 212
Second docking portion 2121	Mounting portion 22	Main body 23	A bent portion 231
				First deflection unit 24	Second deflection unit 25	Third deflecting portion 26	Fourth deflecting portion 27
The first conductive plastic part 3	First section 31	First side edge 311	Second side edge 312
				First end 313	Second section 32	Second end 321	First through groove 33
Turning section 34	Partition 35	Lug 36	First part J
				Second part K	First shield 4	Concave hole 41	Grounding part 42
Contact arm 43	Convex hull 431	First latch arm 44	Shielding part 45
				Fixing sheet 5	Insulating housing 6	Docking chamber 61	Accommodating cavity 62
First ground terminal 7F	First groove 71	First card hole 72	Second ground terminal 7G
				Second groove 73	Second engaging hole 74	Tail 75	Second conductive plastic part 8
Second through groove 81	Second shield 9	Second clamp arm 91	Through groove 92

[ detailed description ] embodiments

For a better understanding of the objects, structure, features, and functions of the invention, reference should be made to the drawings and detailed description that follow.

Referring to fig. 1 to 6, an electrical connector 100 according to a first embodiment of the present invention is configured to be mated with a mating connector (not shown) along a first direction X, the electrical connector 100 is configured to be mounted on a circuit board (not shown), the electrical connector 100 includes a plurality of electrical modules a arranged along a thickness direction of the electrical connector 100, each of the electrical modules a includes an insulating body 1, a plurality of differential pairs 2, a plurality of first conductive plastic parts 3, and a first shielding part 4, wherein the insulating body 1 is formed by one-time injection molding.

Referring to fig. 2, 3 and 4, a plurality of differential pairs 2 are arranged at intervals and fixed to the insulating body 1, each differential pair 2 is composed of a first signal terminal 2D and a second signal terminal 2E, each first signal terminal 2D and each second signal terminal 2E have a mating portion 21 extending along the first direction X, a mounting portion 22 for mounting to the circuit board, and a main body portion 23 connecting the mating portion 21 and the mounting portion 22, the mounting portion 22 extends along the second direction Z, in this embodiment, the first direction X is a front-back direction, the mating portion 21 is located in front of the main body portion 23, the mating portions 21 of the plurality of first signal terminals 2D and the mating portions 21 of the plurality of second signal terminals 2E are arranged at intervals on the insulating body 1 along a second direction Z perpendicular to the first direction X to be arranged in a row, in this embodiment, the main body 23 has two connected bending portions 231, specifically, the main body 23 extends along the first direction X from a direction away from the mating portion 21, then bends along a direction approaching the mounting portion 22 for a second time, and finally extends along the second direction Z and a direction approaching the mounting portion 22, a portion of the main body 23 of each first signal terminal 2D and a portion of the main body 23 of each second signal terminal 2E are alternately arranged on the insulating body 1 along the second direction Z, and the first signal terminal 2D and the second signal terminal 2E are injection-molded on the insulating body 1.

Referring to fig. 3, 4 and 5, each of the first conductive plastic parts 3 is embedded in the insulating body 1 and located between the main body portions 23 of two adjacent differential pairs 2 to separate the two adjacent differential pairs 2, the first conductive plastic parts 3 can absorb noise signals between the two adjacent differential pairs 2, the first conductive plastic parts 3 are simple in molding and convenient to assemble, the thickness of the insulating body 1 along the third direction Y is not increased, and the volume of the electrical connector 100 is not enlarged, the third direction Y is parallel to the thickness direction of the electrical connector 100, in this embodiment, the first conductive plastic parts 3 are located between the main body portions 23 of the adjacent first signal terminals 2D and the main body portions 23 of the second signal terminals 2E to separate the two adjacent differential pairs 2, in other embodiments, the first conductive plastic part 3 is located between the main body portions 23 of two adjacent first signal terminals 2D to separate two adjacent differential pairs 2, or the first conductive plastic part 3 is located between the main body portions 23 of two adjacent second signal terminals 2E to separate two adjacent differential pairs 2, each of the first conductive plastic parts 3 has a first section 31 extending along the first direction X and a second section 32 extending along a direction different from the first section 31, the second section 32 is closer to the mounting portion 22 than the first section 31, so that the first conductive plastic part 3 shields and isolates two differential pairs 2 at a position close to the abutting portion 21 and a position close to the mounting portion 22, the first conductive plastic part 3 is provided with a first through groove 33 penetrating along a third direction Y perpendicular to the first direction X and the second direction Z, the first through slot 33 is located between two adjacent differential pairs 2 in the second direction Z, the first through slot 33 is located at least partially in the first section 31 or/and the second section 32, in this embodiment, the first through slot 33 is located at least partially in the first section 31 and at least partially in the second section 32, in other embodiments, the first through slot 33 is located only in the first section 31 or only in the second section 32, the first conductive plastic part 3 has a first side edge 311 and a second side edge 312 opposite to each other in the second direction Z, the first through slot 33 is located between the first side edge 311 and the second side edge 312, the first through slot 33 is used for blocking signal interference generated by one of the two adjacent differential pairs 2 to the other differential pair 2, and in particular, the first through groove 33 located at the first section 31 extends along the first direction X and divides the first conductive plastic part 3 into a first portion J and a second portion K along the second direction Z, the first portion J is effective to reduce leakage of signal radiation waves of the differential pair 2 adjacent to the first portion J to the differential pair 2 adjacent to the second portion K, the second portion K can effectively prevent the signal radiation wave of the second differential pair 2 adjacent to the second portion K from leaking to the differential pair 2 adjacent to the first portion J, avoid the interference signal from being directly conducted to the second side edge 312 via the first side edge 311 in the second direction Z, therefore, the signal crosstalk between two adjacent differential pairs 2 is effectively reduced, the mutual noninterference of the transmission signals of the two adjacent differential pairs 2 is realized, and the transmission of high-frequency signals is facilitated.

Referring to fig. 4, each of the first conductive plastic parts 3 has a turning section 34 located between the first section 31 and the second section 32, the turning section 34 connects the first section 31 and the second section 32, the turning section 34 is located between two adjacent turning sections 231, the first through groove 33 is at least partially located in the turning section 34, in this embodiment, the first through groove 33 is formed in each of the first section 31, the turning section 34, and the second section 32, and the first conductive plastic part 3 shields signal crosstalk between the turning sections 34 of two adjacent differential pairs 2. That is, one end of the first conductive plastic part 3 extends to be close to the abutting portion 21, and the other end extends to be close to the mounting portion 22, so that shielding is provided between two adjacent differential pairs 2 in the whole length direction of the main body portion 23. In this embodiment, the first conductive plastic part 3 is injection molded on the insulating body 1, so that the shape of the first conductive plastic part 3 can be changed correspondingly with the shape of the first signal terminal 2D, and the extending direction of the first conductive plastic part 3 is the same as the extending direction of the first signal terminal 2D, so as to form a good shielding effect between the two differential pairs 2, thereby preventing the first conductive plastic part 3 from being difficult to be assembled to the insulating body 1 smoothly due to the turning section 34.

Referring to fig. 6, a thickness of the first conductive plastic part 3 in the third direction Y is greater than a thickness of the first signal terminal 2D in the third direction Y, and is also greater than a thickness of the second signal terminal 2E in the third direction Y, the first conductive plastic part 3 provides a larger shielding area between two adjacent differential pairs 2 in the third direction Y, a width of the first conductive plastic part 3 in the second direction Z is greater than a width of the first signal terminal 2D in the second direction Z, and is also greater than a width of the second signal terminal 2E in the second direction Z, so that the first through groove 33 is formed in the first conductive plastic part 3. Referring to fig. 4, the second segment 32 extends along the second direction Z, the first segment 31 has a first end 313 in the first direction X, the second segment 32 has a second end 321 in the second direction Z, and the first through slot 33 does not penetrate through the first end 313 and the second end 321.

Referring to fig. 2 and 3, at least one of the first conductive plastic parts 3 is provided with a partition 35 to divide the first through groove 33 into two grooves separated from each other, each of the first conductive plastic parts 3 is convexly provided with a protruding portion 36 along the third direction Y, the protruding portion 36 is disposed toward a side close to the first shielding part 4, that is, the protruding portion 36 is exposed outside the insulating body 1, and the partition 35 is convexly provided with the protruding portion 36.

Referring to fig. 2 and 6, the first shielding element 4 is fixed to one side of the insulating body 1 along the third direction Y, a concave hole 41 is formed through the first shielding element 4, and the protruding portion 36 extends into the concave hole 41 and contacts with the first shielding element 4, so as to connect the plurality of first conductive plastic elements 3 and the first shielding element 4, thereby improving the grounding effect. The first shield 4 has a plurality of grounding portions 42 extending along the first direction X, and the grounding portions 42 are located between two adjacent butting portions 21 to separate two adjacent differential pairs 2, so that the two differential pairs 2 can be shielded and isolated at the positions of the butting portions 21.

Referring to fig. 1 and 2, a fixing plate 5 is fixed to the plurality of insulating bodies 1 in a clamping manner, and the fixing plate 5 covers the upper surfaces and the rear surfaces of the plurality of insulating bodies 1. An insulating housing 6 is sleeved at the front ends of the plurality of electrical modules a, the insulating housing 6 is concavely provided with a plurality of butt-joint cavities 61, and each electrical module a and the butt-joint portion 21 and the grounding portion 42 of the corresponding adjacent electrical module a are respectively accommodated at two opposite sides of the same butt-joint cavity 61 along the third direction Y.

Referring to fig. 7 to 14, an electrical connector 100 according to a second embodiment of the present invention is different from the first embodiment in that: the insulation body 1 is separately formed and arranged, the insulation body 1 includes a first insulation block 1B and a second insulation block 1C stacked along the third direction Y, a plurality of first signal terminals 2D are fixed to the first insulation block 1B at intervals, a plurality of second signal terminals 2E are fixed to the second insulation block 1C at intervals, the electrical module a includes a plurality of first ground terminals 7F, a plurality of second ground terminals 7G, a plurality of second conductive plastic members 8 and a second shielding member 9 in addition to the insulation body 1, the plurality of first signal terminals 2D, the plurality of second signal terminals 2E, the plurality of first conductive plastic members 3 and the first shielding member 4, wherein the structure of the first shielding member 4, the structure of the first signal terminals 2D, the second signal terminals 2E, the structure of the first conductive members 3, the structure of the second conductive members 3, The structure of the insulating housing 6 is different from that of the first embodiment.

Referring to fig. 9 and 10, a plurality of first fitting grooves 11 penetrate through the first insulating block 1B along the third direction Y, the plurality of first fitting grooves 11 are arranged at intervals along the second direction Z, a plurality of first through holes 12 penetrate through the first insulating block 1B along the third direction Y, the plurality of first through holes 12 are arranged at intervals along the second direction Z, and the first through holes 12 are located in front of the first fitting grooves 11 in the first direction X. The second insulating block 1C has a plurality of second fitting grooves 13 penetrating in the third direction Y, the second fitting grooves 13 are arranged at intervals in the second direction Z, the second insulating block 1C has a plurality of second through holes 14 penetrating in the third direction Y, the second through holes 14 are arranged at intervals in the second direction Z, and the second through holes 14 are located in front of the second fitting grooves 13 in the first direction X.

Referring to fig. 9, 10 and 11, the abutting portions 21 of the first signal terminals 2D are arranged at intervals along the second direction Z in the first insulating block 1B, the abutting portions 21 of the second signal terminals 2E are arranged at intervals along the second direction Z in the second insulating block 1C, the abutting portions 21 of the first signal terminals 2D and the abutting portions 21 of the second signal terminals 2E are arranged at intervals along the second direction Z in a row, a first deflection portion 24 is disposed between the body portion 23 and the abutting portions 21 of the first signal terminals 2D, a second deflection portion 25 is disposed between the body portion 23 and the mounting portion 22 of the first signal terminals 2D, and a third deflection portion 26 is disposed between the body portion 23 and the abutting portions 21 of the second signal terminals 2E, the second signal terminal 2E the main part 23 with be equipped with a fourth deflection portion 27 between the installation department 22, a plurality of first signal terminal 2D the installation department 22 is followed first direction X is arranged into one row, and is a plurality of second signal terminal 2E the installation department 22 is followed first direction X is arranged into another row, makes first signal terminal 2D the installation department 22 the second signal terminal 2E the installation department 22 dislocation set is favorable to reducing signal interference.

Referring to fig. 9, 10 and 11, each of the butting portions 21 includes a first elastic arm 211 and a second elastic arm 212 spaced apart from each other along the second direction Z, the second elastic arm 212 extends forward beyond a front end of the first elastic arm 211, the first elastic arm 211 has a first butting portion 2111 in front of the first direction X, the second elastic arm 212 has a second butting portion 2121 in front of the first direction X, the first butting portion 2111 is located in front of the second butting portion 2121 along the first direction X, the first butting portion 2111 and the second butting portion 2121 spaced apart from each other along the front-back direction X are in contact with a same terminal of the butting electrical connector to form a multi-point contact, so as to ensure contact stability, the first butting portion 2111 is located on the first elastic arm 211, and the second butting portion 2121 is located on the second elastic arm 212, the first and

second mating portions

2111 and 2121 are ensured to have sufficient elasticity. The first docking portion 2111 and the second docking portion 2121 are located on different planes, which is beneficial to ensure that the first docking portion 2111 and the second docking portion 2121 are both in contact with the same terminal of the docking connector, in one differential pair 2, the second elastic arm 212 of the first signal terminal 2D and the second elastic arm 212 of the second signal terminal 2E are adjacently disposed, and two second elastic arms 212 are disposed between the first elastic arm 211 of the first signal terminal 2D and the first elastic arm 211 of the second signal terminal 2E.

Referring to fig. 10 and 11, in one of the differential pairs 2, projections of the main body portion 23 of the first signal terminal 2D and the main body portion 23 of the second signal terminal 2E in the third direction Y are overlapped, further, the main body portion 23 and the main body portion 23 are aligned in the third direction Y, a deflection direction of the third deflection portion 26 of one of the differential pairs 2 is opposite to a deflection direction of the first deflection portion 24, a deflection direction of the fourth deflection portion 27 of one of the differential pairs 2 is opposite to a deflection direction of the second deflection portion 25, so that a length of the first signal terminal 2D is equal to a length of the second signal terminal 2E in one of the differential pairs 2, and a transmission time difference of signals between the first signal terminal 2D and the second signal terminal 2E is reduced, and the transmission loss is reduced, and the frequency of signal transmission is favorably improved.

Referring to fig. 9 and 14, a plurality of first ground terminals 7F are fixed to the first insulating block 1B, the first ground terminal 7F is disposed between two adjacent first signal terminals 2D, specifically, the first ground terminal 7F is located between the body portions 23 of two adjacent first signal terminals 2D and does not extend to between the abutting portions 21 of two first signal terminals 2D, so as to avoid short circuit caused by contact between the first ground terminal 7F and the abutting portions 21 of the first signal terminals 2D, the width of the first ground terminal 7F in the second direction Z is greater than the width of the body portion 23 in the second direction Z, a first groove 71 corresponding to the first fitting groove 11 is disposed through the first ground terminal 7F in the third direction Y, and a projection of the first groove 71 and the first groove 11 in the third direction Y at least partially overlap each other, the first groove 71 is located in the middle of the first fitting groove 11, the first groove 71 is located between two opposite side edges of the first ground terminal 7F in the second direction Z, the first groove 71 extends from one end of the first ground terminal 7F close to the butting portion 21 to one end close to the mounting portion 22, each first ground terminal 7F penetrates through a first clamping hole 72 corresponding to the first through hole 12 in the third direction Y, a projection of the first clamping hole 72 and the first through hole 12 in the third direction Y is at least partially overlapped, the first clamping hole 72 is located in the middle of the first through hole 12 in the third direction Y, and the first clamping hole 72 is located in front of the first groove 71 in the first direction X.

Referring to fig. 9 and 14, the second ground terminal 7G is disposed between two adjacent second signal terminals 2E, specifically, the second ground terminal 7G is located between the body portions 23 of two adjacent second signal terminals 2E and does not extend to between the abutting portions 21 of two second signal terminals 2E, so as to avoid short circuit caused by contact between the second ground terminal 7G and the abutting portion 21 of the second signal terminal 2E, the width of the second ground terminal 7G in the second direction Z is greater than the width of the body portion 23 in the second direction Z, each second ground terminal 7G penetrates through a second groove 73 corresponding to the second engaging groove 13 in the third direction Y, and a projection of the second engaging groove 13 and the second groove 73 in the third direction Y at least partially overlap each other, the second groove 73 is located in the middle of the second fitting groove 13, the second groove 73 is located between two opposite side edges of the second ground terminal 7G in the second direction Z, the second groove 73 extends from one end of the second ground terminal 7G close to the butting portion 21 to one end close to the mounting portion 22, each second ground terminal 7G penetrates through a second clamping hole 74 corresponding to the second through hole 14 in the third direction Y, projections of the second clamping hole 74 and the second through hole 14 in the third direction Y are at least partially overlapped, the second clamping hole 74 is located in the middle of the second through hole 14 in the third direction Y, and the second clamping hole 74 is located in front of the second groove 73 in the first direction X. Each of the second ground terminal 7G and the first ground terminal 7F has a tail portion 75 mounted to the circuit board.

Referring to fig. 10, 13 and 14, the first conductive plastic part 3 and the second conductive plastic part 8 are respectively injection-molded on the first insulating block 1B and the second insulating block 1C, the first conductive plastic part 3 is disposed between two adjacent first signal terminals 2D, the first conductive plastic part 3 is embedded in the first insulating block 1B and is located between the main body parts 23 of two adjacent first signal terminals 2D to separate a part of two adjacent differential pairs 2, the second conductive plastic part 8 is disposed between two adjacent second signal terminals 2E, the second conductive plastic part 8 is embedded in the second insulating block 1C and is located between the main body parts 23 of two adjacent second signal terminals 2E to separate another part of two adjacent differential pairs 2, and the first conductive plastic part 3 and the second conductive plastic part 8 located between two adjacent differential pairs 2 are together And meanwhile, noise signals between two adjacent differential pairs 2 are absorbed, and the second conductive plastic part 8 is arranged to enlarge the shielding area between the two adjacent differential pairs 2 in the third direction Y, so that the shielding performance is improved.

Referring to fig. 9, 11 and 14, in this embodiment, the number of the first conductive plastic parts 3 is the same as the number of the first ground terminals 7F, each first conductive plastic part 3 is partially embedded in each corresponding first groove 71, the plurality of first signal terminals 2D, the plurality of first ground terminals 7F and the first insulating block 1B are injection molded, then the plurality of first conductive plastic parts 3 are injection molded in the first insulating block 1B, each first conductive plastic part 3 enters the first groove 71 through the first embedding groove 11, and fills the first embedding groove 11 and the first groove 71, so that the first conductive plastic part 3 is partially embedded in the first groove 71 of the first ground terminal 7F, and is partially embedded in the first groove 11 of the first insulating block 1B, the first conductive plastic part 3 and the first insulating block 1B are fixed by injection molding, the process is simple, the bonding strength between the first conductive plastic part 3 and the first grounding terminal 7F and between the first conductive plastic part and the first insulating block 1B is high, and the problem that the first conductive plastic part 3 cannot be smoothly assembled to the first insulating block 1B and the first grounding terminal 7F due to the turning section 34 is solved.

Referring to fig. 14, the first ground terminal 7F is a metal plate, the first ground terminal 7F has good electrical conductivity and good grounding effect, the first conductive plastic part 3 is partially embedded in the first ground terminal 7F, and the first ground terminal 7F is coupled to the first conductive plastic part 3, which is beneficial to reducing signal crosstalk and improving high-frequency performance. Generally, the thickness of the first ground terminal 7F in the third direction Y is generally equal to the thickness of the first signal terminal 2D in the third direction Y, while the thickness of the first conductive plastic part 3 in the third direction Y is greater than the thickness of the first signal terminal 2D in the third direction Y, and the first conductive plastic part 3 provides a larger shielding area between two adjacent differential pairs 2 in the third direction Y, so as to make up for the defect of small shielding area of the first ground terminal 7F in the third direction Y, and the first ground terminal 7F is embedded in the first insulating block 1B, which is beneficial to enhancing the overall structural strength of the electrical module a.

Referring to fig. 9 and 14, in this embodiment, the number of the second conductive plastic parts 8 is the same as the number of the second ground terminals 7G, each of the second conductive plastic parts 8 is partially embedded in the second groove 73 corresponding to each of the second ground terminals 7G, and partially embedded in the second embedding groove 13 corresponding to the second insulating block 1C, and the combination manner of the second conductive plastic parts 8, the second ground terminals 7G, and the second insulating block 1C is the same as the combination manner of the first conductive plastic parts 3, the first ground terminals 7F, and the first insulating block 1B, which is not repeated herein. In other embodiments, a plurality of the first conductive plastic members 3 are individually assembled to the first insulating block 1B and the first ground terminal 7F, or a plurality of the first conductive plastic members 3 are integrally molded and then assembled as one body to the first insulating block 1B, or a plurality of the first conductive plastic members 3 and a plurality of the second conductive plastic members 8 are integrally molded and then assembled as one body to the first insulating block 1B and the second insulating block 1C. In other embodiments, the first ground terminal 7F is not disposed between two adjacent first signal terminals 2D, the second ground terminal 7G is not disposed between two adjacent second signal terminals 2E, the first conductive plastic part 3 is assembled or injection-molded on the first insulating block 1B, the second conductive plastic part 8 is assembled or injection-molded on the second insulating block 1C, and the first ground terminal 7F and the second ground terminal 7G have similar functions, so that the description is omitted here.

Referring to fig. 11 and 13, the two main bodies 23 of each differential pair 2 are aligned along the third direction Y, and the first ground terminal 7F and the first conductive plastic part 3 are disposed on the first insulating block 1B and between the two main bodies 23 without increasing the size of the electrical connector 100, and similarly, the second ground terminal 7G and the second conductive plastic part 8 are disposed on the second insulating block 1C and between the two main bodies 23.

Referring to fig. 9 and 14, a width of the first conductive plastic part 3 in the second direction Z is greater than a width of the first signal terminal 2D in the second direction Z and a width of the second signal terminal 2E in the second direction Z, and a width of the second conductive plastic part 8 in the second direction Z is greater than a width of the first signal terminal 2D in the second direction Z and a width of the second signal terminal 2E in the second direction Z, so that the first through groove 33 is formed in the first conductive plastic part 3, and the second through groove 81 is formed in the second conductive plastic part 8. Referring to fig. 14, the entire board surface of the first conductive plastic part 3 is abutted to the entire board surface of the second conductive plastic part 8 on the same side of the differential pair 2, so as to avoid signal exposure of the differential pair 2 due to a gap between the first conductive plastic part 3 and the second conductive plastic part 8, avoid electromagnetic interference between two adjacent differential pairs 2, and facilitate ensuring signal integrity of the entire transmission line. The thickness of first electrically conductive plastic part 3 in third direction Y is greater than first signal terminal 2D is in thickness in third direction Y, the thickness of second electrically conductive plastic part 8 is in thickness of third direction Y is greater than second signal terminal 2E is in the thickness of third direction Y, the thickness of first electrically conductive plastic part 3 is not less than the thickness of first collets 1B, the thickness of second electrically conductive plastic part 8 is not less than the thickness of second collets 1C, with electrical property module A's thickness direction is adjacent two signal interference between differential pair 2 shields.

Referring to fig. 9 and 13, the first conductive plastic part 3 and the second conductive plastic part 8 are aligned in the third direction Y, the shielding areas of the first conductive plastic part 3 and the second conductive plastic part 8 in the third direction Y are the same, the first through groove 33 continuously extends from the first end 313 to the second end 321 to provide a continuous shielding structure between two adjacent differential pairs 2, so as to improve the shielding effect, the first through groove 33 and the second through groove 81 are aligned in the third direction Y, in other embodiments, the first through groove 33 and the second through groove 81 may be composed of more than two grooves that are not communicated, the first through groove 33 and the second through groove 81 may be staggered in the third direction Y, in this embodiment, the structure of the second conductive plastic part 8 is the same as that of the first conductive plastic part 3, as shown in fig. 9, the second conductive plastic part 8 has a third side 811 and a fourth side 812 opposite to each other in the second direction Z, and the second through groove 81 is located between the third side 811 and the fourth side 812, so that the structure of the second conductive plastic part 8 is not described again, and in other embodiments, the structure of the second conductive plastic part 8 may be different from that of the first conductive plastic part 3.

Referring to fig. 9 and 14, the first shielding element 4 is fixed to a side of the first insulating block 1B away from the second insulating block 1C along the third direction Y, the first shielding element 4 is bent and extended toward the first through groove 33 of each first conductive plastic part 3 to form a plurality of contact arms 43 arranged at intervals, each contact arm 43 is provided with a convex hull 431 in a protruding manner, each contact arm 43 passes through the corresponding first through groove 33 and enters the corresponding second through groove 81, and the convex hulls 431 are abutted against the first conductive plastic part 3 and the second conductive plastic part 8, so that the first shielding element 4, the first conductive plastic part 3 and the second conductive plastic part 8 are electrically connected to increase a grounding area.

Referring to fig. 9 and 12, the first shielding element 4 is bent and extended to form a first clamping arm 44 toward each of the first ground terminals 7F, and each of the first clamping arms 44 passes through the corresponding first through hole 12 to be clamped with the corresponding first clamping hole 72, so as to connect the first shielding element 4 with the plurality of first ground terminals 7F, thereby improving the grounding effect. The first shielding member 4 extends along the first direction X to have a shielding portion 45, the shielding portion 45 covers a plurality of the abutting portions 21 of the first signal terminals 2D and a plurality of the abutting portions 21 of the second signal terminals 2E in the third direction Y, and the shielding portion 45 is located at the position of the abutting portions 21 and is used for shielding and isolating the signal interference between the adjacent differential pairs 2 in the third direction Y.

Referring to fig. 9 and 14, the second shielding element 9 is bent and extended to form a second clamping arm 91 towards each second ground terminal 7G, and each second clamping arm 91 passes through the corresponding second through hole 14 to be clamped with the corresponding second clamping hole 74, so as to connect the second shielding element 9 with the plurality of second ground terminals 7G, thereby improving the grounding effect. A through groove 92 is formed through the second shielding element 9 corresponding to each contact arm 43, and each contact arm 43 passes through the corresponding first through groove 33, the corresponding second through groove 81 and enters the through groove 92.

Referring to fig. 14, the first shielding element 4 and the second shielding element 9 are disposed on two opposite sides of the insulating body 1 along the third direction Y, in this embodiment, the first shielding element 4 is disposed and fixed on one side of the first insulating block 1B away from the second insulating block 1C, the second shielding element 9 is disposed and fixed on one side of the second insulating block 1C away from the first insulating block 1B, the first shielding element 4 and the second shielding element 9 are fixed by being buckled, and surround the first insulating block 1B and the second insulating block 1C in the third direction Y, so as to fix the first shielding element 4, the first insulating block 1B, the second insulating block 1C and the second shielding element 9, each of the differential pairs 2 has the first conductive element 3 and the second conductive plastic element 8 on two sides of the second direction Z, be located differential pair 2 is in second direction Z both sides first electrically conductive plastic part 3 with second electrically conductive plastic part 8 is right differential pair 2 is in the signal crosstalk of second direction Z's both sides shields, first shield 4 with second shield 9 is in third direction Y is adjacent signal crosstalk between differential pair 2 shields the isolation, first shield 4 second shield 9 first electrically conductive plastic 3 and second electrically conductive plastic part 8 is to every differential pair 2 realizes that four sides surround, in order to every differential pair 2's four sides shield, effectively improve and crosstalk, guarantee signal transmission's integrality.

Referring to fig. 7 and 8, the insulating housing 6 is sleeved on the plurality of electrical modules a, and the insulating housing 6 is respectively provided with a receiving cavity 62 corresponding to the abutting portion 21 of each first signal terminal 2D, the abutting portion 21 of each second signal terminal 2E, and the shielding portion 45.

1. the first conductive plastic part 3 is embedded in the insulation body 1 and located between the main body parts 23 of the adjacent two differential pairs 2 to separate the adjacent two differential pairs 2, the first conductive plastic part 3 can absorb noise signals between the adjacent two differential pairs 2, the first conductive plastic part 3 is simple in forming and convenient to assemble, the thickness of the insulation body 1 along the third direction Y is not increased, the size of the electric connector 100 is not enlarged, the first conductive plastic part 3 is provided with a first section 31 extending along the first direction X and a second section 32 different from the extending direction of the first section 31, the second section 32 is closer to the installation part 22 than the first section 31, so that the first conductive plastic part 3 shields and isolates the two differential pairs 2 at the position close to the butt joint part 21 and the position close to the installation part 22, the first conductive plastic part 3 is provided with a first through groove 33 along the third direction Y, the first through groove 33 is at least partially located in the first section 31 or/and the second section 32, the first conductive plastic part 3 has the first side edge 311 and the second side edge 312 which are opposite to each other in the second direction Z, the first through groove 33 is located between the first side edge 311 and the second side edge 312, the first through groove 33 is used for blocking signal interference generated by one differential pair 2 to the other differential pair 2, and an interference signal is prevented from being directly conducted to the second side edge 312 via the first side edge 311 along the second direction Z, so that signal crosstalk between two adjacent differential pairs 2 is effectively reduced, mutual noninterference of transmission signals of the two adjacent differential pairs 2 is realized, and high-frequency signal transmission is facilitated.

2. The first conductive plastic part 3 enters the first groove 71 of the first ground terminal 7F through the first embedding groove 11 of the first insulating block 1B, and fills the first embedding groove 11 and the first groove 71, the first conductive plastic part 3 is fixed to the first insulating block 1B, and the first conductive plastic part 3 is fixed to the first ground terminal 7F by injection molding, so that the process is simple, the bonding strength between the first conductive plastic part 3 and the first ground terminal 7F and between the first conductive plastic part 3 and the first insulating block 1B is high, and the problem that the first conductive plastic part 3 cannot be smoothly assembled to the first insulating block 1B and the first ground terminal 7F due to the turning section 34 is solved.

3. The first shielding member 4 and the second shielding member 9 are disposed on two opposite sides of the first insulating block 1B along the third direction Y, each differential pair 2 has the first conductive plastic member 3 and the second conductive plastic member 8 on two sides of the third direction Z, the first conductive plastic member 3 and the second conductive plastic member 8 shield the signal crosstalk of the differential pair 2 on two sides of the second direction Z, the first shielding member 4 and the second shielding member 9 shield and isolate the signal crosstalk between the adjacent differential pairs 2 in the third direction Y, the first shielding member 4, the second shielding member 9, the first conductive plastic member 3 and the second conductive plastic member 8 surround four sides of each differential pair 2 to shield four sides of each differential pair 2, effectively improve crosstalk and ensure the integrity of signal transmission.

4. The thickness of the first conductive plastic part 3 in the third direction Y is greater than the thickness of the first signal terminal 2D in the third direction Y and the thickness of the second signal terminal 2E in the third direction Y, the first conductive plastic part 3 provides a larger shielding area for the differential pair 2 in the third direction Y, and the width of the first conductive plastic part 3 in the second direction Z is greater than the width of the first signal terminal 2D in the second direction Z and the width of the second signal terminal 2E in the second direction Z, so that the first through groove 33 is formed in the first conductive plastic part 3.

5. First electrically conductive plastic part 3 inlays to be located first collets 1B just is located adjacent two first signal terminal 2D in order to separate adjacent two between the main part 23 differential pair 2, second electrically conductive plastic part 8 inlays to be located second collets 1C just is located adjacent two second signal terminal 2E in order to separate adjacent two between the main part 23 differential pair 2 is located adjacent two between the differential pair 2 first electrically conductive plastic part 3 with second electrically conductive plastic part 8 absorbs adjacent two jointly noise signal between the differential pair 2 sets up second electrically conductive plastic part 8 is in order to enlarge third direction Y is to adjacent two differential pair 2's shielding area improves shielding performance.

6. In one in difference pair 2, first signal terminal 2D the main part 23 with second signal terminal 2E the main part 23 is in projection coincidence on the third direction Y, first electrically conductive plastic part 3 is located adjacent two first signal terminal 2D between the main part 23, second electrically conductive plastic part 8 is located adjacent two second signal terminal 2E between the main part 23, do not additionally increase under the condition of electric connector 100's size on the first insulating block 1B and two set up more spaces between the main part 23 first electrically conductive plastic part 3 on the second insulating block 1C and two set up more spaces between the main part 23 second electrically conductive plastic part 8.

7. In one of the differential pairs 2, the projections of the main body portion 23 of the first signal terminal 2D and the main body portion 23 of the second signal terminal 2E along the third direction Y are overlapped, the deflection direction of the third deflection portion 26 is opposite to the deflection direction of the first deflection portion 24, and the deflection direction of the fourth deflection portion 27 is opposite to the deflection direction of the second deflection portion 25, so that the length of the first signal terminal 2D in one of the differential pairs 2 is equal to the length of the second signal terminal 2E, thereby reducing the transmission time difference of signals between the first signal terminal 2D and the second signal terminal 2E, reducing the transmission loss, and facilitating the increase of the frequency of signal transmission.

The above detailed description is only for the purpose of illustrating the preferred embodiments of the present invention, and not for the purpose of limiting the scope of the present invention, therefore, all technical changes that can be made by applying the present specification and the drawings are included in the scope of the present invention.

Claims

1. An electrical connector for mating with a mating connector in a first orientation, comprising:

an insulating body;

at least two differential pairs fixed to the insulating body, each differential pair including a first signal terminal and a second signal terminal, each of the first signal terminal and the second signal terminal having a mating portion extending in the first direction, a mounting portion for mounting, and a main portion connecting the mating portion and the mounting portion, the mating portions of the first signal terminals and the mating portions of the second signal terminals being arranged in a row at intervals in a second direction perpendicular to the first direction;

at least one first electrically conductive plastic part, inlay and locate insulator just is located adjacent two differential pair in order to separate adjacent two between the main part differential pair, first electrically conductive plastic part have the edge first section that first direction extends and with a second section that first section extending direction is different, the second section is more first section is closer to the installation department, first electrically conductive plastic part is along the perpendicular to first direction with the third direction of second direction runs through and is equipped with a first logical groove, first logical groove at least part is located first section or/and the second section, first electrically conductive plastic part is in have relative first lateral margin and a second lateral margin in the second direction, first logical groove is located first lateral margin with between the second lateral margin.

2. The electrical connector of claim 1, wherein: each first signal terminal and the second signal terminal are provided with a bending part between the butt joint part and the installation part, the first conductive plastic part is provided with a bending section between the first section and the second section, the bending section is positioned between the two adjacent bending parts, and the first through groove is at least partially positioned in the bending section.

3. The electrical connector of claim 1, wherein: a first shielding part and a second shielding part are arranged on the opposite two sides of the insulating body along the third direction cover, the first shielding part and the second shielding part are arranged between the first shielding part and the second shielding part, and the first shielding part, the second shielding part and the first conductive plastic part are electrically connected.

4. The electrical connector of claim 1, wherein: a first shielding member is fixed to one side of the insulating body in the third direction, the first shielding member is bent towards the first conductive plastic member to extend to form a contact arm, and the contact arm enters the first through groove and is in contact with the first conductive plastic member.

5. The electrical connector of claim 1, wherein: the insulation body is fixed with at least one first ground terminal, the first ground terminal is located two adjacent first signal terminals between the main part in order to separate two adjacent differential pairs, first ground terminal follows the third direction runs through and is equipped with a first recess, first electrically conductive plastic part inlays and establishes first recess, first ground terminal does not extend to two adjacent between the butt joint portion.

6. The electrical connector of claim 1, wherein: the insulating body comprises a first insulating block and a second insulating block which are stacked along the third direction, a plurality of first signal terminals and first conductive plastic parts are fixed on the first insulating block, the first conductive plastic parts are positioned between two adjacent first signal terminals, a plurality of second signal terminals and at least one second conductive plastic part are fixed on the second insulating block, the second conductive plastic parts are positioned between two adjacent second signal terminals, the first conductive plastic parts and the second conductive plastic parts are arranged between two adjacent differential pairs, each second conductive plastic part is provided with a second through groove along the third direction in a penetrating way, the second through grooves are positioned between two adjacent second signal terminals, and the second conductive plastic parts are provided with a third lateral edge and a fourth lateral edge which are opposite to each other in the second direction, the second channel is located between the third side edge and the fourth side edge.

7. The electrical connector of claim 6, wherein: the second conductive plastic part and the first conductive plastic part are aligned in the third direction, and the second through groove and the first through groove are aligned in the third direction.

8. The electrical connector of claim 6, wherein: projections of the two main body portions in each differential pair in the third direction are overlapped, the first conductive plastic part is located between the main body portions of the two adjacent first signal terminals, and the second conductive plastic part is located between the main body portions of the two adjacent second signal terminals.

9. The electrical connector of claim 6, wherein: a first deflection portion is disposed between the main body portion and the butt-joint portion of the first signal terminal, a second deflection portion is disposed between the main body portion and the mounting portion of the first signal terminal, a third deflection portion is disposed between the main body portion and the butt-joint portion of the second signal terminal, a fourth deflection portion is disposed between the main body portion and the mounting portion of the second signal terminal, deflection directions of the first deflection portion and the third deflection portion in the same differential pair are opposite, and deflection directions of the second deflection portion and the fourth deflection portion in the same differential pair are opposite.

10. The electrical connector of claim 1, wherein: a first shielding part is followed the third direction is fixed in insulator's one side, first electrically conductive plastic part orientation the protruding bulge that is equipped with of first shielding part, the first shielding part is concave to be equipped with a shrinkage pool, the bulge stretch into in the shrinkage pool and with first shielding part contact.

11. The electrical connector of claim 1, wherein: the plurality of first signal terminals and the plurality of second signal terminals are alternately arranged along the second direction, and the first conductive plastic part is located between two adjacent differential pairs.

12. The electrical connector of claim 1, wherein: the thickness of the first conductive plastic part in the third direction is greater than the thickness of the first signal terminal in the third direction, and the width of the first conductive plastic part in the second direction is greater than the width of the first signal terminal in the second direction.

13. An electrical connector for mating with a mating connector in a first orientation, comprising:

an insulating body, which is concavely provided with at least one first embedding groove;

at least two differential pairs and at least one first ground terminal, both fixed to the insulating body, the first ground terminal being located between the two differential pairs, each differential pair being composed of a first signal terminal and a second signal terminal, each of the first signal terminal and the second signal terminal having a mating portion extending in the first direction, a mounting portion for mounting, and a main body portion connecting the mating portion and the mounting portion, the mating portions of the plurality of first signal terminals and the mating portions of the plurality of second signal terminals being arranged in a row at intervals in a second direction perpendicular to the first direction, a first groove corresponding to the first fitting groove is formed in the first ground terminal along a third direction perpendicular to the first direction and the second direction, and the first groove is located in the middle of the first fitting groove in the third direction;

at least one first conductive plastic part, which is injection-molded on the insulating body and is positioned between the main body parts of two adjacent differential pairs to separate the two adjacent differential pairs, wherein the first conductive plastic part enters the first groove through the first embedding groove, filling the first embedding groove and the first groove, wherein the first conductive plastic part is provided with a first section extending along the first direction and a second section extending along the second direction, the second section is closer to the mounting part than the first section, the first conductive plastic part is provided with a first through groove in a penetrating way along the third direction, the first through groove is partially located in the first section and partially located in the second section, the first conductive plastic part is provided with a first lateral edge and a second lateral edge in the first direction, and the first through groove is located between the first lateral edge and the second lateral edge.

14. The electrical connector of claim 13, wherein: the insulating body comprises a first insulating block and a second insulating block which are stacked along the third direction, a plurality of first signal terminals and first grounding terminals are fixed on the first insulating block, a plurality of second signal terminals and at least one second grounding terminal are fixed on the second insulating block, the first embedding groove is positioned in the first insulating block, the second insulating block is provided with at least one second embedding groove along the third direction in a penetrating manner, the second grounding terminal is positioned between two adjacent second signal terminals, the second grounding terminal is provided with a second groove corresponding to the second embedding groove along the third direction in a penetrating manner, at least one second conductive plastic part is partially embedded in the second groove and partially embedded in the second embedding groove to separate two adjacent second signal terminals, and a second through groove is arranged along the third direction in a penetrating manner, the second conductive plastic part is provided with a third side edge and a fourth side edge which are opposite to each other in the second direction, and the second through groove is located between the third side edge and the fourth side edge.

15. The electrical connector of claim 14, wherein: the first conductive plastic part and the second conductive plastic part are positioned on the same side of the differential pair, the projections of the first conductive plastic part and the second conductive plastic part in the third direction are overlapped, and the projections of the first through groove and the second through groove in the third direction are overlapped.

16. The electrical connector of claim 14, wherein: and a first shielding part is fixed on one side of the first insulating block along the third direction, the first shielding part is bent towards the first conductive plastic part and extends to form a contact arm, and the contact arm penetrates through the first through groove and enters the second through groove and is in contact with the first conductive plastic part and the second conductive plastic part.

17. The electrical connector of claim 16, wherein: first insulating block follows the third direction runs through and is equipped with a first through-hole, first ground terminal follows the third direction runs through and is equipped with a first calorie of hole that first through-hole corresponds, first calorie of hole is in first direction is located the place ahead of first recess, first shield orientation first ground terminal is buckled to extend and is had a first card arm, first card arm passes first through-hole with first calorie of hole buckle is fixed, first shield follows first direction extends has a shielding part in order that the third direction covers a plurality ofly first signal terminal and a plurality of second signal terminal a plurality of butt joint portion.

18. The electrical connector of claim 16, wherein: the second insulating block is provided with a second through hole in a penetrating mode in the third direction, the second grounding terminal is provided with a second clamping hole corresponding to the second through hole in the penetrating mode in the third direction, the second clamping hole is located in front of the second groove in the first direction, a second shielding piece is located on one side, away from the first shielding piece, of the second insulating block, the second shielding piece is fixed with the first shielding piece in a buckling mode, the second shielding piece extends towards the second grounding terminal in a bending mode to form a second clamping arm, the second clamping arm penetrates through the second through hole to be fixed with the second clamping hole in a buckling mode, the second shielding piece penetrates through a penetrating groove, and the contact arm enters the penetrating groove.

19. An electrical connector for mating with a mating connector in a first orientation, comprising:

an insulating body;

at least two differential pairs fixed to the insulating body, each differential pair including a first signal terminal and a second signal terminal, each of the first signal terminal and the second signal terminal having a mating portion extending in the first direction, a mounting portion for mounting, and a main body portion connecting the mating portion and the mounting portion, the mating portions of the first signal terminals and the mating portions of the second signal terminals being arranged in a row at intervals in a second direction perpendicular to the first direction;

at least one first electrically conductive plastic part inlays to be located insulator just is located adjacent two the difference is to the main part in order to separate adjacent two the difference is to, first electrically conductive plastic part is along the perpendicular to first direction with the third direction of second direction runs through and is equipped with a first logical groove, the one end in first logical groove is followed first direction extends, first logical groove is in lie in adjacent two on the second direction between the difference pair, first electrically conductive plastic part is in have relative first lateral margin and a second lateral margin in the second direction, first logical groove is located first lateral margin with between the second lateral margin.

20. The electrical connector of claim 19, wherein: the installation department is followed the second direction extends, each first signal terminal with the second signal terminal all has and is located butt joint portion with a kink between the installation department, first electrically conductive plastic part has along a first section that the first direction extends and along a second section that the second direction extends and connect first section with a turn section of second section, the turn section is located adjacent two between the kink, first section, the turn section with the second section all runs through and is equipped with first logical groove.