CN111987505A

Movatterモバイル変換

Info

Publication number: CN111987505A
Application number: CN202010737998.9A
Authority: CN
Inventors: 张文昌; 王永福; 彭治国
Original assignee: Lotes Guangzhou Co Ltd
Current assignee: Lotes Guangzhou Co Ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2020-11-24
Anticipated expiration: 2040-07-28
Also published as: CN111987505B

Abstract

The invention discloses an electric connector, which is characterized in that a first lead-in part is arranged on conductive plastic to be abutted against the lower surface of a first grounding contact part positioned on an abutting part, and a second lead-in part integrally connected with the first lead-in part is abutted against the upper surface of a first extending part positioned behind the abutting part, so that the conductive plastic can be simultaneously contacted with the front section and the rear section of a first grounding terminal to form multi-point contact.

Description

Electrical connector

[ technical field ] A method for producing a semiconductor device

The present invention relates to an electrical connector, and more particularly, to an electrical connector for transmitting high frequency.

[ background of the invention ]

An electrical connector with high-speed data transmission generally needs to be provided with a shielding member to enhance the grounding effect of the grounding terminal and thereby ensure the transmission quality of high-frequency signals, and a conventional electrical connector includes an insulating main body, a plurality of signal terminal pairs and a plurality of grounding terminals fixed in the insulating main body in an alternating arrangement, wherein during the manufacturing process, the insulating main body, the signal terminal pairs and the grounding terminals are fixed to an integrally formed terminal module, and then a conductive plastic block is assembled or injected into the terminal module to form a whole, wherein the conductive plastic block is in contact with the grounding terminal in the terminal module to achieve the shielding effect, however, since the conductive plastic is only in contact conduction with the lower surface of the grounding terminal, during the connection of the conductive plastic to the terminal module, the conductive plastic is often not in full contact with the grounding terminal due to process precision or installation errors, the conductive plastic is in poor contact with the grounding terminal, so that a good shielding effect cannot be realized, and the high-frequency transmission quality of the electric connection is affected. Therefore, there is a need for a new electrical connector that overcomes the above problems.

[ summary of the invention ]

The invention aims to provide an electric connector, which ensures good conduction effect between conductive plastic and a grounding terminal during butt joint and improves the grounding effect of the grounding terminal so as to ensure the high-frequency transmission quality of the electric connector by arranging a first guide connection part on the conductive plastic to abut against the lower surface of a first grounding contact part and a second guide connection part integrally connected with the first guide connection part to abut against the upper surface of a first extension part.

In order to achieve the purpose, the invention adopts the following technical scheme: an electrical connector for mating with a mating connector in a front-to-back direction, comprising: an insulative body having a mating portion for mating with the mating connector; at least one first ground terminal and at least one first signal terminal are adjacently arranged and arranged in the insulating main body, the first ground terminal comprises a first ground contact part extending forwards and exposed out of the butting part and a first extension part extending backwards from the first ground contact part and positioned behind the butting part, and the first signal terminal is provided with a first signal contact part exposed out of the butting part; the conductive plastic is at least partially fixed in the insulating main body and is provided with at least one first conductive part, at least one second conductive part and a connecting part integrally connected with the first conductive part and the second conductive part corresponding to the first grounding terminal, wherein the first conductive part is positioned in front of the second conductive part and positioned below the first grounding contact part and in contact with the lower surface of the first grounding contact part, and the second conductive part is positioned above the first extending part and in contact with the upper surface of the first extending part.

Further, the first ground contact portion is located at a front section of the first ground terminal, the first extension portion is located at a rear section of the first ground terminal, the first ground contact portion and the first extension portion are sheet-shaped, at least a portion of the first extension portion is coplanar with the first ground contact portion, a width of the first extension portion in a left-right direction is smaller than a width of the first ground contact portion in the left-right direction, and the first extension portion is embedded in the second conductive portion.

Furthermore, the first ground terminals and the first signal terminal pairs are provided in plurality, and the plurality of first ground terminals and the plurality of first signal terminal pairs are alternately arranged in the abutting portion to form a row, the plurality of first connecting portions and the plurality of second connecting portions are provided in plurality, the plurality of first connecting portions are correspondingly contacted with the lower surfaces of the plurality of first ground contact portions, the plurality of second connecting portions are correspondingly contacted with the upper surfaces of the plurality of first extending portions, the rear ends of the plurality of first extending portions are commonly connected with a connecting piece to form a whole, the plurality of through holes penetrate through the connecting piece in the vertical direction, and the connecting portion fills the through holes to be connected with each of the second connecting portions.

Furthermore, the insulating main body is provided with a plurality of connecting holes aligned with the plurality of through holes along the vertical direction, the connecting holes correspond to the plurality of connecting holes one to one, and the connecting part is connected with the second guiding and connecting parts sequentially through each connecting hole and each through hole.

Furthermore, it is a plurality of first ground terminal and a plurality of first signal terminal to inlay the buried shaping in insulating main part, it is a plurality of each first signal terminal in the first signal terminal centering includes certainly first signal contact site is towards a welding wire portion of back extension, first extension with the welding wire portion is adjacent to be set up and is located the same row, each welding wire portion corresponds a welding signal heart yearn, each the outer cladding of signal heart yearn has an insulating layer and cladding in a shielding layer outside the insulating layer, the shielding layer arrange in on the connecting piece and with the connecting piece contact.

Furthermore, the insulating main body comprises a base part extending backwards from the butt joint part, a plastic block is coated on the base part, the butt joint part is in a tongue-shaped shape to protrude out of the front end of the plastic block, and the first extending part, the second guiding part and the welding wire part are all located in the plastic block.

Furthermore, the rear end of the base part is concavely provided with a platform, the connecting sheet and the shielding layer are welded on the upper surface of the platform, and the whole insulating main body is in a flat plate shape.

Furthermore, a pair of signal core wires is arranged between every two adjacent second guide connection parts, each second guide connection part extends forwards to exceed the front end of the signal core wire, the bottom of the second guide connection part is in contact with the upper surface of the first extension part, and a protruding part is convexly arranged on the side surface of each second guide connection part and is in contact with the adjacent shielding layer.

Furthermore, the height of the second guide connection part is at least flush with the height of the signal core wire, and the front end head of the second guide connection part is an inclined plane.

Furthermore, the connecting portion includes a substrate extending forward and a plurality of columnar portions extending in a vertical direction, the substrate is embedded in the insulating main body, the plurality of first conductive portions protrude from the upper surface of the substrate and contact with the lower surfaces of the plurality of first grounding contact portions, and each columnar portion is integrally connected with the bottom of each second conductive portion.

The first signal terminal pair comprises a first signal terminal pair and a plurality of first guide connection parts, wherein the first signal terminal pair comprises a first grounding contact part and a plurality of first guide connection parts, the first signal terminal pair comprises a plurality of first signal terminals, the first signal terminals are arranged in the insulating main body, the plurality of first guide connection parts are arranged in a plurality of rows along the front-back direction, the plurality of first guide connection parts are arranged in the front-back direction at equal intervals and are all contacted with the same first grounding contact part, the insulating main body further comprises a first metal sheet embedded in the insulating main body, the first metal sheet is provided with a plurality of grooves, the plurality of grooves are arranged in a plurality of rows along the front-back direction, each groove in each row correspondingly allows each first guide.

Further, the insulating main body comprises a first insulating block and a second insulating block which are embedded with each other, a plurality of first ground terminals and a plurality of first signal terminal pairs and the first metal sheet are together injected with the first insulating block to form a first terminal module, a plurality of second ground terminals and a plurality of second signal terminal pairs and the second metal sheet are together injected with the second insulating block to form a second terminal module, the conductive plastic is integrally injected with the first terminal module and the second terminal module, and an insulating outer frame is formed on the peripheries of the first terminal module and the second terminal module in a coating mode.

Each second ground terminal comprises a second ground contact part extending forwards and exposed from the butting part, and a second extension part extending backwards from the second ground contact part and positioned behind the butting part; the conductive plastic comprises a plurality of third conductive parts and a plurality of fourth conductive parts which are integrally connected with the connecting parts, wherein each third conductive part is positioned in front of the fourth conductive part and above each second grounding contact part and contacts with the upper surface of each second grounding contact part, and each fourth conductive part is positioned below each second extension part and contacts with the lower surface of each second extension part.

Compared with the prior art, the invention has the following beneficial effects: the first conductive connecting part is arranged on the conductive plastic and is abutted against the lower surface of the first grounding contact part on the butt joint part, the second conductive connecting part integrally connected with the first conductive connecting part is abutted against the upper surface of the first extending part behind the butt joint part, so that the conductive plastic can be simultaneously contacted with the front section and the rear section of the first grounding terminal to form multi-point contact, good conduction effect between the conductive plastic and the grounding terminal is ensured, and the grounding effect of the grounding terminal is further improved.

[ description of the drawings ]

Fig. 1 is an exploded perspective view of an electrical connector according to the present invention;

FIG. 2 is an exploded perspective view of the first terminal module, the second terminal module and the conductive plastic before injection molding;

FIG. 3 is a perspective assembly view of FIG. 2;

FIG. 4 is a perspective assembly view of the electrical connector of the present invention;

FIG. 5 is a top view of FIG. 4;

3 FIG. 3 6 3 is 3 a 3side 3 cross 3- 3 sectional 3view 3 taken 3 along 3 line 3 A 3- 3A 3 of 3 FIG. 3 5 3 with 3 the 3plastic 3block 3 removed 3; 3

FIG. 7 is a partial front cross-sectional view taken along line B-B of FIG. 5 with the plastic block removed;

FIG. 8 is a top view of a second embodiment of the present invention with the plastic block removed;

FIG. 9 is a partial front cross-sectional view taken along line C-C of FIG. 8;

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

electrical connector 100	Insulating body 1	Buttjoint part 11	Base 12
				Platform 13	Connectinghole 14	First ground terminal 2	First ground contact 21
First extension 22	Connecting sheet 23	Perforation 231	Firstsignal terminal pair 3
				First signal contact 31	Wire bonding portion 32	Signal conductor 4	Insulating layer 41
Shielding layer 42	Signal core wire 43	Second ground terminal 5	Second ground contact 51
				Second extension 52	Secondsignal terminal pair 6	First metal sheet 7	Slotted P
Spacer part Q	Second metal sheet 8	Conductive plastic 9	Connectingpart 91
				Substrate 911	Columnar portion 912	First lead-inportion 92	Second lead-inpart 93
Third lead-inportion 94	Fourth lead 95	First terminal module 10	First insulating block 101
				Second terminal module 20	Second insulating block 201	Plastic block 30	Insulatingouter frame 40
Second embodiment
				Second lead part 93'	Shielding layer 42'	Fourth lead part 95'	Projection M

[ detailed description ] embodiments

The following further describes embodiments of the present invention with reference to the accompanying drawings:

in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the positions or components referred to must have specific orientations, be constructed and operated in specific orientations, and thus, should not be construed as limiting the present invention.

As shown in fig. 1-7, anelectrical connector 100 according to a first embodiment of the present invention is adapted to be mated with a mating connector (not shown) along a front-back direction, and theelectrical connector 100 mainly includes an insulatingmain body 1, a plurality offirst ground terminals 2 and a plurality of firstsignal terminal pairs 3 arranged on an upper surface of the insulatingmain body 1 in a horizontal alternating manner, a plurality ofsecond ground terminals 5 and a plurality of secondsignal terminal pairs 6 arranged on a lower surface of the insulatingmain body 1 in a horizontal alternating manner, aconductive plastic 9 molded integrally with the insulatingmain body 1, afirst metal sheet 7, asecond metal sheet 8, an insulatingouter frame 40 wrapped around the insulatingmain body 1, and aplastic block 30 wrapped around the insulatingmain body 1.

As shown in fig. 3, 5 and 6, the insulatingmain body 1 is provided with a butt-joint portion 11 and abase portion 12 extending backward from the butt-joint portion 11, thebase portion 12 is covered by theplastic block 30 through injection molding, the butt-joint portion 11 is shaped like a tongue plate to protrude the front end of theplastic block 30, in addition, aplatform 13 is respectively recessed on the upper and lower surfaces of the rear end of thebase portion 12, a plurality of connectingholes 14 penetrate through the surfaces of the twoplatforms 13 in the vertical direction, the connectingholes 14 on the same surface are arranged in a row in the transverse direction, and the insulatingmain body 1 is integrally shaped like a flat plate.

As shown in fig. 1, 3 and 4, a plurality of thefirst ground terminals 2 and a plurality of the firstsignal terminal pairs 3 are embedded in the insulatingmain body 1, each of thefirst ground terminals 2 includes a firstground contact portion 21 extending forward and exposed on the upper surface of themating portion 11, and afirst extension portion 22 extending rearward from the firstground contact portion 21 and located in theplastic block 30; thefirst extension 22 is located on the upper surface of thebase 12. The firstground contact portion 21 and thefirst extension portion 22 are sheet-shaped, and thefirst extension portion 22 and the firstground contact portion 21 are partially coplanar (of course, in other embodiments, thefirst extension portion 22 and the firstground contact portion 21 may be completely coplanar and are not limited herein), the width of thefirst extension portion 22 in the transverse direction is smaller than the width of the firstground contact portion 21 in the transverse direction (of course, in other embodiments, the width of thefirst extension portion 22 in the transverse direction may be greater than or equal to the width of the firstground contact portion 21 in the transverse direction and are not limited herein), furthermore, the rear ends of thefirst extension portions 22 are connected to a connectingpiece 23 to form a whole together, the connectingpiece 23 is located on theplatform 13 on the upper surface of the rear end of thebase portion 12, and a plurality of throughholes 231 vertically penetrate through the connectingpiece 23 and are arranged in a row in the transverse direction, the throughholes 231 are in one-to-one alignment communication with the connectingholes 14 on the upper surface of theplatform 13. Every twofirst signal terminals 3 form the firstsignal terminal pair 3, eachfirst signal terminal 3 includes a firstsignal contact portion 31 extending forward and exposed on the upper surface of themating portion 11, and awire bonding portion 32 extending backward from the firstsignal contact portion 31 and located in theplastic block 30; the first extendingportion 22 and thebonding wire portion 32 are disposed adjacent to each other and in the same row, the plurality offirst signal terminals 3 are welded to the plurality ofsignal wires 4, wherein thefirst signal terminals 3 are integrally sheet-shaped, the firstsignal contact portion 31 is coplanar with thebonding wire portion 32, eachbonding wire portion 32 is used for being welded to asignal core wire 43 of onesignal wire 4, thesignal wire 4 includes aninsulating layer 41 covering the periphery of thesignal core wire 43 and ashielding layer 42 covering theinsulating layer 41, and theshielding layer 42 is disposed on the connectingsheet 23 and welded to the upper surface of the connectingsheet 23.

A plurality ofsecond ground terminals 5 and a plurality of secondsignal terminal pairs 6 are embedded in the insulatingmain body 1, each of thesecond ground terminals 5 includes a secondground contact portion 51 extending forward and exposed from the lower surface of themating portion 11, and asecond extension portion 52 extending rearward from the secondground contact portion 51 and located in theplastic block 30; further, thesecond extension 52 is located on the lower surface of thebase 12. The structure and size of thesecond ground terminal 5 are the same as those of thefirst ground terminal 2, and the secondground contact portion 51 and thesecond extension portion 52 are not described in detail herein, and similarly, the rear ends of the plurality ofsecond extension portions 52 are all connected with another connectingsheet 23 to form a whole, the other connectingsheet 23 is located on theplatform 13 on the lower surface of the rear end of thebase 12, the plurality of throughholes 231 penetrate through the connectingsheet 23 in the vertical direction and are arranged in the transverse direction, and the plurality of throughholes 231 are in one-to-one correspondence with the plurality of connectingholes 14 on the lower surface of theplatform 13. Eachsecond signal terminal 6 includes a second signal contact portion (not numbered) extending forward and exposed from the lower surface of themating portion 11, and abonding wire portion 32 extending backward from the second signal contact portion and located in theplastic block 30; the structure of thesecond signal terminal 6 is the same as the structure and size of thefirst signal terminal 3, and the structure of the second signal contact portion and thebonding wire portion 32 of thesecond signal terminal 6 is not repeated herein, and similarly, thebonding wire portion 32 of eachsecond signal terminal 6 is used for being welded with onesignal core wire 43, and theshielding layer 42 of thesignal wire 4 is welded with the lower surface of the other connectingpiece 23.

As shown in fig. 1 and 2, thefirst metal sheet 7 includes a plurality of slots P, the slots P are arranged in a plurality of rows along the front-back direction, the slots P in each row are arranged at equal intervals along the front-back direction, a spacing portion Q is provided between two adjacent rows of the slots P and is located right below each firstsignal terminal pair 3, and a gap is formed between each of the spacing parts Q and the corresponding firstsignal terminal pair 3, the spacing parts Q and the substrate are positioned on the same plane, the distance between the spacing part Q and the corresponding firstsignal terminal pair 3 is larger, the spacing part Q is arranged between every two adjacent rows of the slots P and is correspondingly positioned right below the firstsignal terminal pair 3 and is not contacted, so that theconductive plastic 9 is spaced apart from each of the firstsignal terminal pairs 3 so as not to contact each other. In this embodiment, thefirst metal sheet 7 and thesecond metal sheet 8 have the same structure and size, and therefore the structure of thesecond metal sheet 8 is not described again, and similarly, the plurality of slots P in each row of thesecond metal sheet 8 are correspondingly located below the same secondground contact portion 51, and the spacing portion Q of thesecond metal sheet 8 is located right above each pair of thesecond signal terminals 6 and is not in contact with each other.

the plurality ofcolumn portions 912 respectively protrude from the upper and lower surfaces of thesubstrate 911, wherein the plurality ofcolumn portions 912 protruding from the upper surface of thesubstrate 911 respectively sequentially fill each of theconnection holes 14 and the throughholes 231 upward to be integrally connected to the bottom of each of the secondconductive portions 93, and the plurality ofcolumn portions 912 protruding from the lower surface of thesubstrate 911 respectively sequentially fill each of theconnection holes 14 and the throughholes 231 downward to be integrally connected to the top of each of the fourthconductive portions 95.

The second guidingportions 93 are exposed on the upper surface of the insulatingmain body 1, and each of the first extendingportions 22 is embedded in each of the second guidingportions 93, wherein a pair ofsignal cores 43 is disposed between every two adjacent second guidingportions 93, that is, one second guidingportion 93 and one pair ofsignal cores 43 are alternately arranged, each second guidingportion 93 extends forward beyond the front end of thesignal core 43, the height of each second guidingportion 93 is at least equal to the height of thesignal core 43, and the front end of eachsecond guiding portion 93 is an inclined surface. Similarly, the plurality of fourth conductingportions 95 are exposed on the lower surface of the insulatingmain body 1, and the second extendingportions 52 are correspondingly embedded in the fourth conductingportions 95, wherein each of the fourth conductingportions 95 and every two of thesignal core wires 43 below the insulatingmain body 1 are alternately arranged, the fourth conductingportions 95 extend forward beyond the front ends of thesignal core wires 43, the height of each of the fourth conductingportions 95 is at least equal to the height of thesignal core wires 43, the front end of each of the fourth conductingportions 95 is an inclined surface, and the plurality of second conductingportions 93 and the plurality of fourth conductingportions 95 are located in theplastic block 30.

Further, as shown in fig. 2 and 3, in the present embodiment, the insulatingmain body 1 includes afirst insulating block 101 and asecond insulating block 201 which are fitted to each other, a plurality of thefirst ground terminals 2 and a plurality of pairs of thefirst signal terminals 3 and thefirst metal sheets 7 are injection-molded together with thefirst insulating block 101 to form afirst terminal module 10, a plurality of thesecond ground terminals 5 and a plurality of pairs of thesecond signal terminals 6 and asecond metal sheet 8 are injection-molded together with thesecond insulating block 201 to form a second terminal module 20 (of course, in other embodiments, a plurality of thefirst ground terminals 2, a plurality of pairs of thefirst signal terminals 3, a plurality of pairs of thefirst metal sheets 7, a plurality of thesecond ground terminals 5, a plurality of pairs of thesecond signal terminals 6 and a plurality of thesecond metal sheets 8 are integrally molded together with the insulatingmain body 1, which is not limited herein), theconductive plastic 9 is injection molded between thefirst terminal module 10 and thesecond terminal module 20, then the insulatingouter frame 40 is coated on the peripheries of thefirst terminal module 10 and thesecond terminal module 20, and then theplastic block 30 is injection molded on the rear portions of thefirst insulating block 101 and the second insulating block 201 (i.e., the base portion 12), thereby forming theelectrical connector 100 of the present invention.

As shown in fig. 8 and 9, a second embodiment of the present invention is different from the first embodiment in that a protruding portion M is protruded from a lateral side of a rear end of each of the second connecting portion 93 ' and the fourth connecting portion 95 ', the protruding portion M is located behind thesignal core 43, and the protruding portion M contacts only the shielding layer 42 ' of thesignal conductor 4 adjacent thereto. Thereby further improving the grounding effect among theconductive plastic 9, thefirst ground terminal 2, thesecond ground terminal 5 and thesignal wire 4.

In summary, theelectrical connector 100 of the present invention has the following advantages:

1. by arranging the firstconductive connection portion 92 on theconductive plastic 9 to abut against the lower surface of the firstgrounding contact portion 21 on thebutting portion 11, and the secondconductive connection portion 93 integrally connected with the firstconductive connection portion 92 to abut against the upper surface of thefirst extension portion 22 behind thebutting portion 11, theconductive plastic 9 can simultaneously contact with both the front section and the rear section of thefirst grounding terminal 2 to form multi-point contact, thereby not only ensuring good conduction effect between theconductive plastic 9 and thefirst grounding terminal 2, but also further improving the grounding effect of thefirst grounding terminal 2, and in addition, since the first lead-connectingportion 92 and the second lead-connectingportion 93 are respectively located on the upper and lower surfaces of thefirst ground terminal 2, therefore, theconductive plastic 9 is contacted with thefirst ground terminal 2 more firmly, and the high-frequency transmission quality of theelectrical connector 100 is ensured.

2. Firstground connection contact 21 reachesfirst extension 22 is the slice,first extension 22 at least part with first ground connection contact 21 coplane, not only be convenient for withfirst ground terminal 2 mould plastics in insulatingmain part 1 surface just is convenient forsecond guide connection 93 extends the design forward, in addition, becausefirst extension 22 is less than along the width of left right direction firstground connection contact 21 is along the width of left right direction, not only makesfirst extension 22 bury completely more easily insecond guide connection 93, and makesconductive plastic 9 only need use less quantity can embedfirst extension 22 to manufacturing cost has been practiced thrift.

3. The rear ends of the first extendingportions 22 are connected with the connectingsheet 23 to form a whole, the throughholes 231 penetrate through the connectingsheet 23 along the vertical direction, the insulatingmain body 1 is provided with a plurality of connectingholes 14 aligned with the throughholes 231 one by one along the vertical direction, the connectingportion 91 is sequentially filled with the connectingholes 14 and the throughholes 231 upwards and extends forwards to form the second guidingportion 93, the amount of the second guidingportion 93 formed by theconductive plastic 9 is controlled during injection molding, theconductive plastic 9 is formed conveniently, and the second guidingportion 93 is ensured to extend towards the first extendingportions 22 and the second extendingportions 22 are embedded in the second guidingportion 93.

4. Theshielding layer 42 is disposed on the connectingsheet 23 and welded to the connectingsheet 23, so as to achieve the grounding function of thefirst grounding terminal 2 and thesignal wire 4, and in addition, since the firstconductive portion 92 is in contact with the first extendingportion 22 and thefirst grounding terminal 2 is in conduction with thesignal wire 4, thefirst grounding terminal 2, thesignal wire 4 and theconductive plastic 9 can be electrically conducted through the connectingsheet 23, thereby further improving the shielding effect of theelectrical connector 100.

5. A pair ofsignal cores 43 is disposed between every two adjacent second conductingportions 93, the second conductingportions 93 extend forward beyond the front ends of thesignal cores 43, the bottom of the second conductingportions 93 contact with the upper surface of the first extendingportion 22, the protruding portion M protruding from the side surface of eachsecond conducting portion 93 contacts with theadjacent shielding layer 42, and the second conductingportions 93 space each pair ofsignal cores 43 apart from each other, so that eachsecond conducting portion 93 has a good shielding effect on theadjacent signal cores 43, thereby effectively preventing crosstalk between the adjacent pairs ofsignal cores 43 and further effectively improving the transmission quality of theelectrical connector 100.

6. The plurality of firstguiding connection portions 92 are arranged in a plurality of rows along the front-rear direction, the plurality of firstguiding connection portions 92 in each row are arranged at equal intervals along the front-rear direction, each slot P is correspondingly used for each firstguiding connection portion 92 to extend through, the plurality of firstguiding connection portions 92 in each row contact the lower surface of the same firstgrounding contact portion 21, not only can the usage ofconductive plastic 9 be saved, but also the plurality of firstguiding connection portions 92 are in equal-interval contact with the same firstgrounding contact portion 21, good conduction between the firstguiding connection portions 92 and the firstgrounding contact portions 21 is ensured, in addition, the spacing portion Q is positioned between two adjacent rows of slots P and just below each pair of thefirst signal terminals 3, a gap is formed between the spacing portion Q and the corresponding pair of thefirst signal terminals 3, and the spacing portion Q and thesubstrate 911 are positioned on the same plane, therefore, theconductive plastic 9 can be effectively separated from the first signal terminal pairs 3 to prevent short circuit of the first signal terminal pairs 3.

7. Thefirst terminal module 10 and thesecond terminal module 20 are formed first, and then theconductive plastic 9, thefirst terminal module 10 and thesecond terminal module 20 are molded into a whole by injection, so that the automatic processing is facilitated, the problem that theconductive plastic 9 cannot be effectively contacted with thefirst grounding terminal 2 due to the fact that an installation gap is easily generated when theconductive plastic 9 is formed separately and then assembled on thefirst terminal module 10 and thesecond terminal module 20 is effectively solved, and the insulatingouter frame 40 is formed on the peripheries of thefirst terminal module 10 and thesecond terminal module 20 in a wrapping mode to further enhance the combination tightness of thefirst terminal module 10 and thesecond terminal module 20.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention, and not for the purpose of limiting the invention, and all equivalent technical changes that can be made by applying the contents of the specification and drawings are intended to be embraced therein.