Electric connector and connector assembly

Abstract

An electric connector comprises a shell, a plurality of conductive terminals, a first cable and a first shielding sheet. The conductive terminals comprise a first conductive terminal and a plurality of first plate end terminals. The first plate end terminal comprises a first grounding terminal and a first plate end additional terminal. Each first plate end terminal includes a first mounting tail. The first grounding terminal comprises a first abutting part. The first cable is electrically connected with the first conductive terminal. And the first shielding sheet is in contact with the first abutting part, so that the first shielding sheet can be grounded with the circuit board through the first mounting tail part of the first grounding terminal. According to the arrangement, the grounding structure of the electric connector is optimized. The utility model also discloses a connector assembly with the electric connector.

Description

TECHNICAL FIELD

[0001] The utility model relates to an electric connector and connector assembly belong to connector technical field. BACKGROUND

[0002] The connector assembly in the related art comprises an electric connector, a shielding shell and a light guide pipe, wherein the electric connector comprises an insulating body, a plurality of conductive terminals mounted on the insulating body and a cable connected with a part of the conductive terminals.

[0003] With the increasing requirement of the electric connector on signal transmission, the cable is used to transmit high-speed signals in the related art, and the non-high-speed signal terminals are usually mounted on the circuit board.

[0004] However, the electric connector and the connector assembly in the related art still have room for improvement. SUMMARY

[0005] The utility model aims at providing an electric connector and a connector assembly with improved structure.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an electric connector comprises:

[0007] a shell, the shell is provided with a receiving slot extending along a first direction and configured to receive a mating connector;

[0008] a plurality of conductive terminals, the conductive terminals are provided in the shell, and the conductive terminals comprise a plurality of first conductive terminals and a plurality of first plate end terminals; the first plate end terminal comprises a first ground terminal and a first plate end additional terminal located on the side of the first ground terminal; each first plate end terminal comprises a first mounting tail configured to be mounted on a circuit board; the first ground terminal comprises a first abutting portion;

[0009] a first cable, the first cable is electrically connected with the first conductive terminal; and

[0010] a first shielding sheet, the first shielding sheet is in contact with the first abutting portion of the first ground terminal, so that the first shielding sheet can be grounded with the circuit board through the first mounting tail of the first ground terminal.

[0011] As a further improved technical scheme of the utility model, each first conductive terminal comprises a first contact arm and a first tail, and the first contact arm comprises a first contact portion protruding into the receiving slot.

[0012] The first board end additional terminal comprises a first extension part and a first additional contact arm connected with the first extension part, and the first additional contact arm comprises a first additional contact part protruding into the accommodating slot.

[0013] The first cable is electrically connected with the first tail part of the first conductive terminal.

[0014] The first board end terminal further comprises a second ground terminal, and the first board end additional terminal is located between the first ground terminal and the second ground terminal; the second ground terminal comprises a second abutting part.

[0015] The first shielding sheet is in contact with the second abutting part of the second ground terminal, so that the first shielding sheet can be grounded through the first mounting tail part of the second ground terminal and the circuit board.

[0016] The first shielding sheet is not in contact with the first extension part of the first board end additional terminal.

[0017] As a further improved technical scheme of the utility model, the first shielding sheet is welded and fixed with the first abutting part of the first ground terminal and the second abutting part of the second ground terminal.

[0018] As a further improved technical scheme of the utility model, neither the first ground terminal nor the second ground terminal is provided with any elastic contact arm protruding into the accommodating slot and configured to be electrically connected with the mating connector.

[0019] As a further improved technical scheme of the utility model, the first abutting part, the second abutting part and the first extension part are parallel to each other.

[0020] As a further improved technical scheme of the utility model, the first abutting part and the second abutting part are located at a first height along a second direction, the first extension part is located at a second height along the second direction, and the first height is different from the second height.

[0021] As a further improved technical scheme of the utility model, the electrical connector comprises at least one first insulating block fixed on the first extension part, the first additional contact arm protrudes out of the first insulating block, and the first shielding sheet is at least partially supported on the first insulating block.

[0022] As a further improved technical scheme of the utility model, the first insulating block is provided with at least one first positioning protruding column, the first shielding sheet is provided with at least one first positioning perforation, and the first positioning protruding column passes through the first positioning perforation.

[0023] As a further improved technical scheme of the utility model, the first shielding sheet includes a first main body part in contact with the shell and a first plate-shaped extension part extending from the first main body part, the first plate-shaped extension part is in contact with a first abutting part of the first grounding terminal and a second abutting part of the second grounding terminal;

[0024] The first main body part is provided with a plurality of first notches, the first cable includes a first core, a first insulator wrapped on the first core and a first shielding layer wrapped on the first insulator, the first core is welded and fixed with a first tail part of the first conductive terminal, the first notches correspond to the first shielding layer, the first notches are configured to fill solder to weld and fix the first main body part and the first shielding layer.

[0025] As a further improved technical scheme of the utility model, the length of the first extension part along the first direction is greater than the length of the first abutting part along the first direction, and the length of the first extension part along the first direction is greater than the length of the second abutting part along the first direction.

[0026] As a further improved technical scheme of the utility model, the first installation tail part of the first grounding terminal is perpendicular to the first abutting part of the first grounding terminal, the first installation tail part of the second grounding terminal is perpendicular to the second abutting part of the second grounding terminal, and the first installation tail part of the first plate end additional terminal is perpendicular to the first extension part of the first plate end additional terminal.

[0027] Each first installation tail part is provided with a first installation perforation, and the first installation tail part is configured to be inserted into the first conductive hole of the circuit board in an elastically deformed manner.

[0028] As a further improved technical scheme of the utility model, the electric connector includes a first module; the first module includes:

[0029] A first conductive shell; and

[0030] A first terminal module, the first terminal module is at least partially arranged in the first conductive shell, and the first terminal module includes the first conductive terminal, and the first conductive terminal is not in contact with the first conductive shell;

[0031] The shell includes the first conductive shell.

[0032] As a further improved technical scheme of the utility model, the first conductive terminal of the first terminal module includes a first signal terminal and a second signal terminal;

[0033] The first module further comprises a first retaining block fixed on the first signal terminal and the second signal terminal, the first retaining block is provided with a first positioning protruding column, the first shielding sheet is provided with a first positioning through hole, and the first positioning protruding column penetrates through the first positioning through hole.

[0034] As a further improved technical scheme of the utility model, the electric connector comprises a second module; the second module comprises:

[0035] a second conductive shell; and

[0036] a second terminal module, the second terminal module is at least partially arranged in the second conductive shell, the second terminal module comprises a plurality of second conductive terminals, and the second conductive terminals are not in contact with the second conductive shell;

[0037] the shell comprises the second conductive shell;

[0038] the receiving slot is formed by the first conductive shell and the second conductive shell.

[0039] The utility model further discloses a connector assembly, which comprises:

[0040] an electric connector, which is the electric connector described above;

[0041] a shielding shell, the shielding shell is configured to be mounted on a circuit board, the shielding shell comprises a receiving cavity, the receiving cavity is in communication with the receiving slot along a first direction, and the receiving cavity and the receiving slot are configured to jointly receive a mating connector along the first direction; a first cable passes out of the shielding shell; the shielding shell is provided with a retaining arm; and

[0042] a light guide pipe, the light guide pipe comprises a first pipe body portion and a first connecting portion connected to the first pipe body portion, the first pipe body portion is located on one side of the first cable; the first connecting portion is provided with a mounting slot, and the retaining arm is at least partially inserted into the mounting slot to fix the light guide pipe.

[0043] As a further improved technical scheme of the utility model, the retaining arm comprises a first retaining arm and a second retaining arm arranged at intervals from the first retaining arm, the first retaining arm is provided with a first hook portion, the second retaining arm is provided with a second hook portion, and the first hook portion and the second hook portion are both locked with the first connecting portion.

[0044] As a further improved technical scheme of the utility model, the first hook portion and the second hook portion are opposite in protruding direction.

[0045] As a further improved technical scheme of the utility model, the first clamping arm, the insert plate part and the second clamping arm all pass out the first connecting part from the installation slot.

[0046] As a further improved technical scheme of the utility model, the first clamping arm, the insert plate part and the second clamping arm all pass out the first connecting part from the installation slot.

[0047] As a further improved technical scheme of the utility model, the light guide pipe includes a second pipe body part arranged side by side with the first pipe body part, the first connecting part connects the first pipe body part and the second pipe body part, and the first pipe body part and the second pipe body part are located on two sides of the cable respectively.

[0048] The light guide pipe includes a second connecting part connecting the first pipe body part and the second pipe body part, the second connecting part includes an extension protruding part protruding along a second direction, the extension protruding part includes a convex column part and a neck part connected with the convex column part, and the second direction is perpendicular to the first direction.

[0049] The shielding shell includes a support part, the support part includes a first support arm, a second support arm and an installation slot located between the first support arm and the second support arm, the neck part is tightly clamped in the installation slot, and the convex column part protrudes out of the support part along the first direction.

[0050] As a further improved technical scheme of the utility model, the end of the first support arm is provided with a first guide surface and a first notch located below the first guide surface along the second direction, the end of the second support arm is provided with a second guide surface and a second notch located below the second guide surface along the second direction, the first guide surface and the second guide surface form a horn mouth guiding the neck part, the first notch and the second notch form a buffer opening, the size of the buffer opening along a third direction is greater than the size of the installation slot along the third direction, and the third direction is perpendicular to the first direction and the second direction.

[0051] As a further improved technical scheme of the utility model, the shielding shell includes a connecting wall connected with the holding arm, and the connecting wall is provided with at least one opening hole.

[0052] The electric connector includes an outer insulating shell fixed on the shell body, the outer insulating shell is provided with at least one installation convex column, the installation convex column passes through the opening hole, the installation convex column is fixed in the opening hole through hot melting, and the connecting wall and the electric connector are combined into an integral whole.

[0053] Compared with the prior art, the electric connector of the utility model is equipped with a first shielding sheet, the first shielding sheet is in contact with the first abutting portion of the first grounding terminal, so that the first shielding sheet can be grounded through the first mounting tail portion of the first grounding terminal and the circuit board. Thus, the grounding structure of the electric connector is optimized. The utility model further discloses a connector assembly with the electric connector. BRIEF DESCRIPTION OF DRAWINGS

[0054] Figure 1 is a three-dimensional schematic view of the connector assembly in an embodiment of the utility model;

[0055] Figure 2 is Figure 1 a three-dimensional schematic view from another angle;

[0056] Figure 3 is Figure 2 a partial enlarged view of the circled portion B in the figure;

[0057] Figure 4 is Figure 2 a three-dimensional schematic view from still another angle;

[0058] Figure 5 is Figure 1 a front view of the figure;

[0059] Figure 6 is Figure 1 a rear view of the figure;

[0060] Figure 7 is Figure 1 a right view of the figure;

[0061] Figure 8 is Figure 1 a top view of the figure;

[0062] Figure 9 is Figure 2 a partial three-dimensional exploded view of the figure, in which one light guide pipe is separated out;

[0063] Figure 10 is Figure 9 a partial enlarged view of the circled portion C in the figure;

[0064] Figure 11 is Figure 9 a partial three-dimensional exploded view from another angle;

[0065] Figure 12 is Figure 11 a partial enlarged view of the circled portion D in the figure;

[0066] Figure 13 is Figure 9 a further three-dimensional exploded view;

[0067] Figure 14 is Figure 13 another perspective exploded view;

[0068] Figure 15 is Figure 13 a perspective exploded view of the shielding shell;

[0069] Figure 16 is Figure 15 another perspective exploded view;

[0070] Figure 17 is Figure 15 still another perspective exploded view;

[0071] Figure 18 is a perspective view of the electrical connector of the present application in one embodiment;

[0072] Figure 19 is Figure 18 a partial perspective exploded view;

[0073] Figure 20 is Figure 19 another perspective exploded view;

[0074] Figure 21 is Figure 19 a perspective exploded view of the first module and the second module;

[0075] Figure 22 is Figure 21 another perspective exploded view;

[0076] Figure 23 is a top view when the first module and the second module are misaligned;

[0077] Figure 24 is a bottom view when the first module and the second module are misaligned;

[0078] Figure 25 is a front view after removing the outer insulation shell from the Figure 19

[0079] is Figure 26 a partial perspective exploded view of the Figure 21

[0080] Figure 27 is Figure 26 a partial perspective exploded view of the first module;

[0081] Figure 28 is Figure 27 a partial perspective exploded view at another angle;

[0082] Figure 29 is​Figure 26 Partial exploded view of the second module;

[0083] Figure 30 is Figure 29 Partial exploded view from another angle;

[0084] Figure 31 is Figure 27 Partial enlarged view of the framed portion E in

[0085] Figure 32 is Figure 29 Partial enlarged view of the framed portion F in

[0086] Figure 33 is Figure 27 Further partial exploded view of the first conductive shell, the first insulating fixing block and the first grounding sheet in

[0087] Figure 34 is Figure 29 Further partial exploded view of the second conductive shell, the second insulating fixing block and the second grounding sheet in

[0088] Figure 35 is Figure 33 Partial enlarged view of the circled portion H in

[0089] Figure 36 is Figure 34 Partial enlarged view of the circled portion I in

[0090] Figure 37 is Figure 33 Partial exploded view from another angle;

[0091] Figure 38 is Figure 34 Partial exploded view from another angle;

[0092] Figure 39 is Figure 33 Further partial exploded view;

[0093] Figure 40 is Figure 34 Further partial exploded view;

[0094] Figure 41 is Figure 39 Partial exploded view from another angle;

[0095] Figure 42 is Figure 39 Further exploded view;

[0096] Figure 43 is Figure 40 Further exploded view;

[0097] Figure 44 is a perspective view of a portion of the first module;

[0098] Figure 45 is a perspective view of a portion of the second module;

[0099] Figure 46 is Figure 39 and Figure 40 are partial perspective exploded views of the portion of the first module and the portion of the second module in another embodiment;

[0100] Figure 47 is Figure 46 is a partial perspective exploded view at another angle;

[0101] Figure 48 is a cross-sectional view along line J-J in Figure 5

[0102] Figure 49 is Figure 48 is a close-up view of the framed portion K in

[0103] Figure 50 is a cross-sectional view along line L-L in Figure 5

[0104] Figure 51 is Figure 50 is a close-up view of the framed portion N in

[0105] Figure 52 is a cross-sectional view along line O-O in Figure 8

[0106] Figure 53 is a close-up view of the framed portion P in Figure 52 DETAILED DESCRIPTION

[0107] The following detailed description of the application will be made with reference to the accompanying drawings. If there are several embodiments, the features in these embodiments can be combined with each other when there is no conflict. When the description refers to the drawings, the same numbers in different drawings represent the same or similar elements unless otherwise specified. The description in the following example embodiments does not represent all embodiments consistent with the application; rather, they are merely examples of devices, products and / or methods consistent with the application as recited in the claims and some aspects of the application.

[0108] ​​​​The terminology used in the present application is for the purpose of describing particular embodiments only and is not intended to limit the scope of the present application. As used in the specification and claims of the present application, the articles "a", "the", and "said" are intended to include the plural as well as the singular, unless the context clearly indicates otherwise.

[0109] It should be understood that the use of terms such as "first" and "second", and words of simi lar effect, used throughout this patent document, are used for identification purposes and do not connote or imply a meaning other than that of identification. Similarly, the terms "one" and "said" are not used in a limiting sense. The terms "front", "back", "up", "down", and words of similar effect used herein do not connote or imply a particular position or spatial orientation. The terms "comprises", "comprising", "includes", "including" and "contains", "containing" are inclusive or open-ended and do not exclude additional, unrecited elements or method steps. The terms "a plurality" and "plurality" mean two or more.

[0110] Please refer to Figures 1 to 14As shown, the first embodiment of the utility model discloses a connector assembly, it includes electric connector 100, circuit board 400 and with to at least partial insertion electric connector 100 in the counter connector (not shown).In the utility model illustrated embodiment, the electric connector 100 is OSFP (Octal Small Form-factor Pluggable) socket connector;Correspondingly, the counter connector is OSFP plug connector.More specifically, in the utility model illustrated embodiment, the electric connector 100 is socket connector.Of course, those skilled in the art can understand that the electric connector 100 can also be SFP (Small Form-factor Pluggable) socket connector, QSFP (Quad Small Form-factor Pluggable) socket connector, QSFP-DD (Quad Small Form-factor Pluggable-Double Density) socket connector, SFP-DD (Small Form-factor Pluggable-Double Density) socket connector or DSFP (Dual Chanel Small Form-factor Pluggable) socket connector etc.;Correspondingly, the counter connector is SFP plug connector, QSFP plug connector, QSFP-DD plug connector, SFP-DD plug connector or DSFP plug connector etc. Those skilled in the art can understand that the basic architecture of the electric connector 100 of the above type is specified by the corresponding association standard, and the utility model will not be repeated here.Of course, those skilled in the art can understand that the electric connector 100 can also be other types of electric connectors, including but not limited to USB connector, HDMI connector, DisplayPort connector, RJ45 connector, Thunderbolt connector etc.

[0111] Please combine Figure 13 As shown, in the utility model illustrated embodiment, the circuit board 400 includes a plurality of first mounting holes 401 and a plurality of second mounting holes 402. The plurality of first mounting holes 401 are arranged into a first row along a first direction A1-A1 (for example, front-rear direction), and the plurality of second mounting holes 402 are arranged into a second row parallel to the first row along the first direction A1-A1. In addition, the circuit board 400 is also provided with a plurality of first conductive holes 403, a plurality of second conductive holes 404, a first light emitting element 405 and a second light emitting element 406. The first light emitting element 405 and the second light emitting element 406 include but are not limited to LED light emitting body.

[0112] The mating connector includes a mating module, such as a tongue plate. The tongue plate includes an upper surface, a lower surface, a number of first contact pads exposed to the upper surface, and a number of second contact pads exposed to the lower surface. Please refer to Figure 18 As shown in the embodiments of the utility model, the electric connector 100 is provided with a receiving slot 101 which at least partially receives the mating module. For the sake of simplifying the description of the embodiments of the utility model, the plug-in direction of the mating module and the electric connector 100 is the first direction A1-A1 (for example, the front-back direction); the thickness direction of the receiving slot 101 is the second direction A2-A2 (for example, the up-down direction); and the width direction of the receiving slot 101 is the third direction A3-A3 (for example, the left-right direction). The first direction A1-A1, the second direction A2-A2 and the third direction A3-A3 are perpendicular to each other.

[0113] Please refer to Figures 18 to 53 As shown in the embodiments of the utility model, the electric connector 100 includes a first module M1, a second module M2, and an outer insulating shell 7 fixed on the first module M1 and the second module M2, wherein the first module M1 and the second module M2 are separately arranged and fixed together. In an embodiment of the utility model, the outer insulating shell 7 is made of insulating material and is overmolded on the first module M1 and the second module M2 to combine the first module M1 and the second module M2 into one whole. Specifically, in the embodiments of the utility model, the outer insulating shell 7 includes a first outer insulating shell 7a and a second outer insulating shell 7b.

[0114] The first outer insulating shell 7a and the second outer insulating shell 7b each include at least one positioning protrusion 71. In the embodiments of the utility model, the positioning protrusions 71 on the first outer insulating shell 7a include a number of first positioning protrusions 711; and the positioning protrusions 71 on the second outer insulating shell 7b include a number of second positioning protrusions 712. In the embodiments of the utility model, the number of first positioning protrusions 711 is two and are arranged at intervals along the first direction A1-A1. The number of second positioning protrusions 712 is two and are arranged at intervals along the third direction A3-A3. In this way, by the two first positioning protrusions 711 and the two second positioning protrusions 712, the relative position of the electric connector 100 and the shielding shell 500 after assembly can be prevented from changing. The first positioning protrusions 711 and the second positioning protrusions 712 are opposite to each other.

[0115] Specifically, please refer to Figure 19As shown, the first positioning convex column 711 comprises a supporting part 7111 and a positioning part 7112 connected with the supporting part 7111 and located at the end of the first positioning convex column 711 along the second direction A2-A2. In the embodiment shown in the utility model, the positioning part 7112 and the second positioning convex column 712 are both in cylindrical shape. In addition, in order to increase the structural strength of the supporting part 7111, the supporting part 7111 is designed to be relatively thicker than the positioning part 7112.

[0116] In an embodiment of the utility model, the electric connector 100 comprises a shell, an insulating fixed block 2 fixed to the shell, a plurality of conductive terminals 3 installed on the shell and a cable 5 connected with the conductive terminals 3.

[0117] In an embodiment of the utility model, the shell is a conductive shell 1. The conductive shell 1 is a metal shell made of metal material, so as to further improve the shielding effect and improve the quality of signal transmission. In another embodiment of the utility model, the conductive shell 1 can also be a composite shell formed by electroplating metal material on insulating material, which can also improve the shielding effect and improve the quality of signal transmission.

[0118] Please combine Figures 21 to 30 As shown, in an embodiment of the utility model, the conductive shell 1 comprises a first conductive shell 11 and a second conductive shell 12. The first conductive shell 11 and the second conductive shell 12 are fixed together, for example, the first conductive shell 11 and the second conductive shell 12 are assembled and then fixed together by welding or other methods. In the embodiment shown in the utility model, the first conductive shell 11 of the first module M1 and the second conductive shell 12 of the second module M2 are separately arranged and fixed together to jointly form the accommodation slot 101.

[0119] In an embodiment of the utility model, the first conductive shell 11 comprises a first base 111, a first protruding part 112 extending forward from the first base 111 and a plurality of first terminal module installation grooves 113 penetrating through the first base 111 and the first protruding part 112 along the first direction A1-A1. The first protruding part 112 is provided with a second upper surface 1121, a second lower surface 1122 and a plurality of first filling grooves 1123 penetrating through the second upper surface 1121 upwardly along the second direction A2-A2. The first filling grooves 1123 penetrate through the first front end surface 1120 of the first protruding part 112 forwardly along the first direction A1-A1. The first protruding part 112 further comprises a plurality of first positioning columns 1124 protruding upwardly from the second upper surface 1121 along the second direction A2-A2.

[0120] The first terminal module installation grooves 113 are arranged at intervals along the third direction A3-A3. The first conductive shell 11 comprises first partition walls 114 arranged at intervals along the third direction A3-A3. Two adjacent first terminal module installation grooves 113 are separated by a corresponding first partition wall 114 along the third direction A3-A3. In this way, each first terminal module installation groove 113 is relatively independent, thereby reducing signal crosstalk and improving data transmission quality. Each first partition wall 114 is provided with a first positioning block 1141 protruding along the third direction A3-A3. The first positioning block 1141 is located at the end away from the first front end face 1120.

[0121] In an embodiment of the present application, the second conductive shell 12 comprises a second base 121, a second protruding portion 122 extending forward from the second base 121, and a plurality of second terminal module installation grooves 123 extending through the second base 121 and the second protruding portion 122 along the first direction A1-A1. The second protruding portion 122 is provided with a fourth upper surface 1221, a fourth lower surface 1222, and a plurality of second filling grooves 1223 extending downward through the fourth lower surface 1222. The second filling grooves 1223 extend forward through the second front end face 1220 of the second protruding portion 122. The second protruding portion 122 further comprises a plurality of second positioning columns 1224 protruding downward from the second lower surface 1122.

[0122] In the illustrated embodiment of the present application, the second terminal module installation grooves 123 are arranged at intervals along the third direction A3-A3. The second conductive shell 12 comprises second partition walls 124 arranged at intervals along the third direction A3-A3. Two adjacent second terminal module installation grooves 123 are separated by a corresponding second partition wall 124 along the third direction A3-A3. In this way, each second terminal module installation groove 123 is relatively independent, thereby reducing signal crosstalk and improving data transmission quality. Each second partition wall 124 is provided with a second positioning block 1241 protruding along the third direction A3-A3. The second positioning block 1241 is located at the end away from the second front end face 1220.

[0123] Please refer to Figures 26 to 30As shown in the illustrated embodiment of the present application, the insulating fixing block 2 comprises a first insulating fixing block 21 and a second insulating fixing block 22. The first insulating fixing block 21 is fixed in the first filling groove 1123, and the second insulating fixing block 22 is fixed in the second filling groove 1223. Preferably, in order to increase the bonding force between the first insulating fixing block 21 and the first conductive shell 11, the first insulating fixing block 21 is formed in the first filling groove 1123. Similarly, in order to increase the bonding force between the second insulating fixing block 22 and the second conductive shell 12, the second insulating fixing block 22 is formed in the second filling groove 1223.

[0124] The first insulating fixing block 21 is provided with a plurality of first slots 211 and a plurality of second slots 212, wherein adjacent first slots 211 and second slots 212 form a group and are in communication with the corresponding first terminal module mounting groove 113. The first insulating fixing block 21 is also provided with a first front surface 210, which is coplanar with the first front end surface 1120 of the first protruding portion 112.

[0125] Similarly, the second insulating fixing block 22 is provided with a plurality of third slots 221 and a plurality of fourth slots 222, wherein adjacent third slots 221 and fourth slots 222 form a group and are in communication with the corresponding second terminal module mounting groove 123. The second insulating fixing block 22 is provided with a second front surface 220, which is coplanar with the second front end surface 1220 of the second protruding portion 122.

[0126] Please refer to Figures 33 to 47 As shown, the plurality of conductive terminals 3 comprises a plurality of first conductive terminals 31, a plurality of second conductive terminals 32, a plurality of first plate end terminals 35, and a plurality of second plate end terminals 36. Each first conductive terminal 31 comprises a first fixing portion 311 extending in the first direction A1-A1, a first contact arm 310 extending forward from the front end of the first fixing portion 311, and a first tail portion 313 extending backward from the rear end of the first fixing portion 311. The first contact arm 310 comprises a first contact portion 3101 extending into the accommodation slot 101. The first contact portion 3101 is used to contact the first signal contact sheet of the tongue plate. In the illustrated embodiment of the present application, the first tail portion 313 extends horizontally backward to electrically connect with the first cable 51.

[0127] Please refer to Figure 42In the embodiment shown in the utility model, the plurality of first conductive terminals 31 are divided into a plurality of groups, and each group of first conductive terminals 31 includes a first signal terminal S1 and a second signal terminal S2 adjacent to the first signal terminal S1. Preferably, the first signal terminal S1 and the second signal terminal S2 in each group of first conductive terminals 31 form a differential pair to improve signal transmission speed and be suitable for high-speed transmission of signals.

[0128] In the embodiment shown in the utility model, the electric connector 100 further includes a first holding block 33 fixed on the first signal terminal S1 and the second signal terminal S2 of each group of first conductive terminals 31. In an embodiment of the utility model, the first signal terminal S1 and the second signal terminal S2 are embedded in the first holding block 33 to form a first terminal module 31a as a whole. The first contact part 3101 of the first signal terminal S1 and the second signal terminal S2 in each first terminal module 31a respectively abuts against a first signal contact sheet of the mating module.

[0129] In the embodiment shown in the utility model, the first holding block 33 is fixed at the middle part of the first fixed part 311 of the first signal terminal S1 and the second signal terminal S2. The first holding block 33 is installed and fixed in the first terminal module installation groove 113, so that the first conductive terminal 31 does not cause short circuit due to contact with the first conductive shell 11. In the embodiment shown in the utility model, the first holding block 33 includes a first protruding column 331 protruding along the third direction A3-A3 and a first positioning protruding column 332 protruding along the third direction A3-A3, and the protruding directions of the first protruding column 331 and the first positioning protruding column 332 are opposite. The first protruding column 331 is used to be positioned with a through hole of the first conductive shell 11, and the first protruding column 331 penetrates the first conductive shell 11.

[0130] Similarly, each second conductive terminal 32 includes a second fixed part 321 extending along the first direction A1-A1, a second contact arm 320 extending forward from the front end of the second fixed part 321, and a second tail part 323 extending backward from the rear end of the second fixed part 321. The second contact arm 320 includes a second contact part 3201 extending into the accommodation slot 101. The second contact part 3201 is used to contact a second signal contact sheet of the tongue plate. In the embodiment shown in the utility model, the second tail part 323 extends horizontally backward from the second fixed part 321 to be electrically connected with a second cable 52.

[0131] Please combine Figure 43As shown, in the embodiment illustrated in the utility model, the second conductive terminals 32 are divided into several groups, each group of second conductive terminals 32 includes a third signal terminal S3 and a fourth signal terminal S4 adjacent to the third signal terminal S3. Preferably, the third signal terminal S3 and the fourth signal terminal S4 in each group of second conductive terminals 32 form a differential pair to improve signal transmission speed and are suitable for high-speed signal transmission.

[0132] In the embodiment illustrated in the utility model, the electric connector 100 further includes a second holding block 34 fixed on the third signal terminal S3 and the fourth signal terminal S4 of each group of second conductive terminals 32. In an embodiment of the utility model, the third signal terminal S3 and the fourth signal terminal S4 are embedded in the second holding block 34 to form an integral second terminal module 32a. The second contact portions 3201 of the third signal terminal S3 and the fourth signal terminal S4 in each second terminal module 32a respectively abut against the second signal contact sheet of the mating module.

[0133] In the embodiment illustrated in the utility model, the second holding block 34 is fixed to the middle part of the second fixed portion 321 of the third signal terminal S3 and the fourth signal terminal S4. The second holding block 34 is installed and fixed in the second terminal module installation groove 123, so that the second conductive terminals 32 do not cause short circuit due to contact with the second conductive shell 12. In the embodiment illustrated in the utility model, the second holding block 34 includes a second protruding column 341 protruding in the third direction A3-A3 and a second positioning protruding column 342 protruding in the third direction A3-A3, the protruding directions of the second protruding column 341 and the second positioning protruding column 342 are opposite. The second protruding column 341 is used to be positioned with the perforation of the second conductive shell 12, and the second protruding column 341 penetrates out of the second conductive shell 12.

[0134] In the embodiment illustrated in the utility model, the electric connector 100 further includes a first non-high-speed terminal module 33a and a second non-high-speed terminal module 34a. The first non-high-speed terminal module 33a includes at least one first insulating block 33a1, the first board end terminal 35 fixed to the first insulating block 33a1, and the first installation block 37 fixed on the first board end terminal 35. Those skilled in the art can understand that the first board end terminal 35 includes but is not limited to non-high-speed signal terminals, power terminals, etc.

[0135] In the embodiment shown in the utility model, the first plate end terminal 35 comprises a first ground terminal G1, a second ground terminal G2 and at least one first plate end additional terminal 350 between the first ground terminal G1 and the second ground terminal G2. Each first plate end terminal 35 comprises a first mounting tail 351 configured to be mounted on the circuit board 400. In the embodiment shown in the utility model, each first mounting tail 351 is provided with a first mounting perforation 3511, and the first mounting tail 351 is configured to be inserted into the first conductive hole 403 of the circuit board 400 in an elastically deformed manner to realize electrical conduction with the circuit board 400.

[0136] In addition, the first ground terminal G1 further comprises a first abutting portion 3521 (as shown in Figure 47 The first abutting portion 3521 extends along the first direction A1-A1, the first mounting tail 351 of the first ground terminal G1 extends along the second direction A2-A2, and the first mounting tail 351 of the first ground terminal G1 is perpendicular to the first abutting portion 3521 of the first ground terminal G1.

[0137] Similarly, the second ground terminal G2 further comprises a second abutting portion 3522 (as shown in Figure 46 The second abutting portion 3522 extends along the first direction A1-A1, the first mounting tail 351 of the second ground terminal G2 extends along the second direction A2-A2, and the first mounting tail 351 of the second ground terminal G2 is perpendicular to the second abutting portion 3522 of the second ground terminal G2.

[0138] Please refer to Figure 42 The first plate end additional terminal 350 comprises a first extension portion 3523 and a first additional contact arm 3524 connected with the first extension portion 3523, and the first additional contact arm 3524 comprises a first additional contact portion 3524a protruding into the accommodation slot 101. The first extension portion 3523 extends along the first direction A1-A1, the first mounting tail 351 of the first plate end additional terminal 350 extends along the second direction A2-A2, and the first mounting tail 351 of the first plate end additional terminal 350 is perpendicular to the first extension portion 3523 of the first plate end additional terminal 350.

[0139] In the embodiment shown in the utility model, the first abutting portion 3521, the second abutting portion 3522 and the first extension portion 3523 are parallel to each other. The length of the first extension portion 3523 along the first direction A1-A1 is greater than the length of the first abutting portion 3521 along the first direction A1-A1, and the length of the first extension portion 3523 along the first direction A1-A1 is greater than the length of the second abutting portion 3522 along the first direction A1-A1. Neither the first ground terminal G1 nor the second ground terminal G2 is provided with any elastic contact arm protruding into the accommodating slot 101 and configured to be electrically connected with the mating connector. In other words, neither the first ground terminal G1 nor the second ground terminal G2 is provided with a first additional contact arm 3524 similar to the first plate-end additional terminal 350.

[0140] In the embodiment shown in the utility model, the first abutting portion 3521 and the second abutting portion 3522 are located at a first height along the second direction A2-A2, and the first extension portion 3523 is located at a second height along the second direction A2-A2, wherein the first height is different from the second height.

[0141] In the embodiment shown in the utility model, the first extension portion 3523 of the first plate-end additional terminal 350 is partially embedded in the first insulating block 33a1, and the first additional contact arm 3524 extends out of the first insulating block 33a1. The first insulating block 33a1 is provided with at least one first positioning protruding column 33a11.

[0142] The first ground terminal G1, the second ground terminal G2 and the first plate-end additional terminal 350 are embedded in the first mounting block 37 to be combined as a whole. The first mounting tail portion 351 of the first ground terminal G1, the second ground terminal G2 and the first plate-end additional terminal 350 extends out of the first mounting block 37.

[0143] Similarly, please refer to Figure 43 As shown in the figure, the second non-high-speed terminal module 34a includes at least one second insulating block 34a1, the second plate-end terminal 36 fixed to the second insulating block 34a1 and the second mounting block 38 fixed to the second plate-end terminal 36. Those skilled in the art can understand that the second plate-end terminal 36 includes but is not limited to non-high-speed signal terminals, power terminals and the like.

[0144] In the embodiment shown in the utility model, the second plate end terminal 36 comprises a third grounding terminal G3, a fourth grounding terminal G4 and at least one second plate end additional terminal 360 between the third grounding terminal G3 and the fourth grounding terminal G4. Each second plate end terminal 36 comprises a second mounting tail 361 configured to be mounted on the circuit board 400. In the embodiment shown in the utility model, each second mounting tail 361 is provided with a second mounting perforation 3611, and the second mounting tail 361 is configured to be inserted into the second conductive hole 404 of the circuit board 400 in an elastically deformed manner to realize electrical conduction with the circuit board 400.

[0145] In addition, the third grounding terminal G3 further comprises a third abutting portion 3621. The third abutting portion 3621 extends along the first direction A1-A1, the second mounting tail 361 of the third grounding terminal G3 extends along the second direction A2-A2, and the second mounting tail 361 of the third grounding terminal G3 is perpendicular to the third abutting portion 3621 of the third grounding terminal G3.

[0146] Similarly, the fourth grounding terminal G4 further comprises a fourth abutting portion 3622. The fourth abutting portion 3622 extends along the first direction A1-A1, the second mounting tail 361 of the fourth grounding terminal G4 extends along the second direction A2-A2, and the second mounting tail 361 of the fourth grounding terminal G4 is perpendicular to the fourth abutting portion 3622 of the fourth grounding terminal G4.

[0147] The second plate end additional terminal 360 comprises a second extension portion 3623 and a second additional contact arm 3624 connected with the second extension portion 3623, and the second additional contact arm 3624 comprises a second additional contact portion 3624a protruding into the accommodation slot 101. The second extension portion 3623 extends along the first direction A1-A1, the second mounting tail 361 of the second plate end additional terminal 360 extends along the second direction A2-A2, and the second mounting tail 361 of the second plate end additional terminal 360 is perpendicular to the second extension portion 3623 of the second plate end additional terminal 360.

[0148] In the embodiment shown in the utility model, the third abutting portion 3621, the fourth abutting portion 3622 and the second extension portion 3623 are parallel to each other. The length of the second extension portion 3623 along the first direction A1-A1 is greater than the length of the third abutting portion 3621 along the first direction A1-A1, and the length of the second extension portion 3623 along the first direction A1-A1 is greater than the length of the fourth abutting portion 3622 along the first direction A1-A1. Neither the third ground terminal G3 nor the fourth ground terminal G4 is provided with any elastic contact arm protruding into the accommodating slot 101 and configured to be electrically connected with the mating connector. In other words, neither the third ground terminal G3 nor the fourth ground terminal G4 is provided with a second additional contact arm 3624 similar to the second board end additional terminal 360.

[0149] In the embodiment shown in the utility model, the third abutting portion 3621 and the fourth abutting portion 3622 are located at a third height along the second direction A2-A2, and the second extension portion 3623 is located at a fourth height along the second direction A2-A2, and the third height is different from the fourth height.

[0150] In the embodiment shown in the utility model, the second extension portion 3623 of the second board end additional terminal 360 is partially embedded in the second insulating block 34a1, and the second additional contact arm 3624 extends out of the second insulating block 34a1. The second insulating block 34a1 is provided with at least one second positioning protruding column 34a11.

[0151] Please refer to Figure 39 and Figure 40 shown, in one embodiment of the utility model, the first insulating block 33a1 and the second insulating block 34a1 are respectively several. Please refer to Figure 46 and Figure 47 shown, in another embodiment of the utility model, the first insulating block 33a1 and the second insulating block 34a1 are respectively only one.

[0152] The third ground terminal G3, the fourth ground terminal G4 and the second board end additional terminal 360 are embedded in the second mounting block 38 to be combined as a whole. The second mounting tail portion 361 of the third ground terminal G3, the fourth ground terminal G4 and the second board end additional terminal 360 extends out of the second mounting block 38.

[0153] Please refer to Figure 35As shown in the embodiment of the utility model, the first cable 51 comprises a first core 511, a first insulator 512 wrapped on the first core 511, a first shielding layer 513 (for example, a shielding braid) wrapped on the first insulator 512, and a first insulating skin 514 wrapped on the first shielding layer 513.

[0154] Similarly, please combine Figure 36 As shown, the second cable 52 comprises a second core 521, a second insulator 522 wrapped on the second core 521, a second shielding layer 523 (for example, a shielding braid) wrapped on the second insulator 522, and a second insulating skin 524 wrapped on the second shielding layer 523. The cable 5 comprises the first cable 51 and the second cable 52.

[0155] Please combine Figures 26 to 32 As shown, in an embodiment of the utility model, the electric connector 100 further comprises at least one grounding sheet 4 mounted on the conductive shell 1. One end of the grounding sheet 4 is fixed relative to the conductive shell 1, and the grounding sheet 4 comprises a first grounding sheet 41 and a second grounding sheet 42. In the embodiment of the utility model, the first grounding sheet 41 is two and is made of a metal material; the second grounding sheet 42 is also two and is made of a metal material.

[0156] Each first grounding sheet 41 is generally U-shaped, comprising a first mounting plate 411, a second mounting plate 412 opposite to the first mounting plate 411, a first connecting plate 413 connecting one side of the first mounting plate 411 and one side of the second mounting plate 412, and a first extension plate 414 extending downward and rearward from the other side of the second mounting plate 412. The first mounting plate 411 is provided with a first mounting positioning hole 4111 matched with the first positioning column 1124.

[0157] The first connecting plate 413 abuts against and at least partially shields the first front surface 210 of the first insulating fixed block 21. The first connecting plate 413 is located at the front end of the accommodation slot 101 along the first direction A1-A1; when the docking module is inserted, the tongue plate can first contact the first connecting plate 413, thereby facilitating the release of static electricity. The second mounting plate 412 is provided with a plurality of first grounding elastic arms 415 arranged at intervals along the third direction A3-A3. Each group of first grounding elastic arms 415 is arranged on both sides of the first contact arm 310 of the first conductive terminal 31, respectively, to improve the shielding effect and improve the quality of signal transmission.

[0158] Please combine Figure 31As shown, the first grounding elastic arm 415 is convex as a whole in a direction away from the first mounting plate 411. Specifically, in the embodiment shown in the utility model, the first grounding elastic arm 415 comprises a first intermediate part 4150, a first elastic arm part 4151 connecting one end of the first intermediate part 4150 and the first connecting plate 413, and a second elastic arm part 4152 connecting the other end of the first intermediate part 4150 and the first extension plate 414. In an embodiment of the utility model, the first intermediate part 4150 is provided with a first convex bump 4150a protruding into the accommodating slot 101. The first elastic arm part 4151 is provided with a first abutting elastic arm 4151a extending towards the first intermediate part 4150, and a first displacement slot 4151b corresponding to the first abutting elastic arm 4151a and providing a deformation space for the first abutting elastic arm 4151a. The second elastic arm part 4152 is provided with a second abutting elastic arm 4152a extending towards the first intermediate part 4150, and a second displacement slot 4152b corresponding to the second abutting elastic arm 4152a and providing a deformation space for the second abutting elastic arm 4152a. In the embodiment shown in the utility model, the first abutting elastic arm 4151a and the second abutting elastic arm 4152a are respectively located on both sides of the first intermediate part 4150. The first abutting elastic arm 4151a and the second abutting elastic arm 4152a are arranged in alignment along the first direction A1-A1. The free end of the first abutting elastic arm 4151a and the free end of the second abutting elastic arm 4152a are both close to the first intermediate part 4150. The first abutting elastic arm 4151a, the first convex bump 4150a and the second abutting elastic arm 4152a all contact the first grounding contact sheet of the docking module. Through this three-point contact mode, better shielding effect can be achieved.

[0159] In an embodiment of the utility model, the first elastic arm part 4151 is provided with a first frame 4151c in a surrounding manner. The first displacement slot 4151b is a closed slot and is surrounded by the first frame 4151c. The first abutting elastic arm 4151a is connected with one wall of the first frame 4151c, and the other three walls of the first frame 4151c surround the other three sides of the first abutting elastic arm 4151a respectively. In an embodiment of the utility model, by arranging the first frame 4151c surrounding the first abutting elastic arm 4151a, better protection can be provided for the first abutting elastic arm 4151a to prevent excessive deformation of the first abutting elastic arm 4151a.

[0160] Similarly, the second elastic arm part 4152 is provided with a second frame 4152c in a surrounding manner. The second clearance slot 4152b is a closed slot and is surrounded by the second frame 4152c. The second abutting elastic arm 4152a is connected with one wall of the second frame 4152c, and the other three walls of the second frame 4152c surround the other three sides of the second abutting elastic arm 4152a respectively. In an embodiment of the utility model, the second frame 4152c surrounding the second abutting elastic arm 4152a can provide better protection for the second abutting elastic arm 4152a and prevent the second abutting elastic arm 4152a from being deformed excessively.

[0161] In an embodiment of the utility model, the first positioning column 1124 is fixed with the first mounting positioning hole 4111, thereby fixing the first mounting plate 411 on the second upper surface 1121 of the first protruding part 112. When the first abutting elastic arm 4151a, the first intermediate part 4150 and the second abutting elastic arm 4152a are abutted and deformed by the first grounding contact piece of the docking module, the first extension plate 414 can be appropriately moved along the first direction A1-A1.

[0162] Each second grounding piece 42 is substantially U-shaped and comprises a third mounting plate 421, a fourth mounting plate 422 opposite to the third mounting plate 421, a second connecting plate 423 connecting one side of the third mounting plate 421 and one side of the fourth mounting plate 422, and a second extension plate 424 extending downward and rearward from the other side of the fourth mounting plate 422. The third mounting plate 421 is provided with a second mounting positioning hole 4211 matched with the second positioning column 1224.

[0163] The second connecting plate 423 abuts against and at least partially shields the second front surface 220 of the second insulating fixing block 22. The second connecting plate 423 is located at the front end of the accommodating slot 101 along the first direction A1-A1; when the docking module is inserted, the tongue plate 301 can first contact the second connecting plate 423, thereby facilitating the release of static electricity. The fourth mounting plate 422 is provided with a plurality of second grounding elastic arms 425 arranged at intervals along the third direction A3-A3. Each group of second contact arms 320 of the second conductive terminal 32 is respectively provided with one second grounding elastic arm 425 on both sides, so as to improve the shielding effect and improve the quality of signal transmission.

[0164] Please combine Figure 32As shown, the second grounding elastic arm 425 is convex as a whole to the direction away from the third mounting plate 421. Specifically, in the embodiment shown in the utility model, the second grounding elastic arm 425 comprises a second intermediate part 4250, a third elastic arm part 4251 connecting one end of the second intermediate part 4250 and the second connecting plate 423, and a fourth elastic arm part 4252 connecting the other end of the second intermediate part 4250 and the second extension plate 424. In an embodiment of the utility model, the second intermediate part 4250 is provided with a second convex 4250a protruding into the accommodating slot 101. The third elastic arm part 4251 is provided with a third abutting elastic arm 4251a extending to the second intermediate part 4250, and a third accommodation groove 4251b corresponding to the third abutting elastic arm 4251a and providing a deformation space for the third abutting elastic arm 4251a. The fourth elastic arm part 4252 is provided with a fourth abutting elastic arm 4252a extending to the second intermediate part 4250, and a fourth accommodation groove 4252b corresponding to the fourth abutting elastic arm 4252a and providing a deformation space for the fourth abutting elastic arm 4252a. In the embodiment shown in the utility model, the third abutting elastic arm 4251a and the fourth abutting elastic arm 4252a are respectively located on both sides of the second intermediate part 4250. The third abutting elastic arm 4251a and the fourth abutting elastic arm 4252a are arranged in alignment along the first direction A1-A1. The free end of the third abutting elastic arm 4251a and the free end of the fourth abutting elastic arm 4252a are both close to the second intermediate part 4250. The third abutting elastic arm 4251a, the second convex 4250a and the fourth abutting elastic arm 4252a are all in contact with the second grounding contact sheet of the docking module. Through this three-point contact mode, better shielding effect can be achieved.

[0165] In an embodiment of the utility model, the third elastic arm part 4251 is provided with a third frame 4251c in a surrounding manner. The third accommodation groove 4251b is a closed groove and is surrounded by the third frame 4251c. The third abutting elastic arm 4251a is connected with one wall of the third frame 4251c, and the other three walls of the third frame 4251c surround the other three sides of the third abutting elastic arm 4251a respectively. In an embodiment of the utility model, by arranging the third frame 4251c surrounding the third abutting elastic arm 4251a, better protection can be provided for the third abutting elastic arm 4251a to prevent excessive deformation of the third abutting elastic arm 4251a.

[0166] Similarly, the fourth elastic arm part 4252 is provided with a fourth frame 4252c in a surrounding manner. The fourth displacement slot 4252b is a closed slot and is surrounded by the fourth frame 4252c. The fourth abutting elastic arm 4252a is connected with one wall of the fourth frame 4252c, and the other three walls of the fourth frame 4252c surround the other three sides of the fourth abutting elastic arm 4252a respectively. In an embodiment of the utility model, the fourth frame 4252c surrounding the fourth abutting elastic arm 4252a can provide better protection for the fourth abutting elastic arm 4252a and prevent the fourth abutting elastic arm 4252a from being deformed excessively.

[0167] In an embodiment of the utility model, the second positioning column 1224 is fixed with the second mounting positioning hole 4211, thereby fixing the third mounting plate 421 on the fourth lower surface 1222 of the second protruding part 122. When the third abutting elastic arm 4251a, the second intermediate part 4250 and the fourth abutting elastic arm 4252a are deformed by the second grounding contact piece of the docking module, the second extension plate 424 can be moved along the first direction A1-A1 appropriately.

[0168] Please combine Figures 37 to 45As shown, in the embodiment shown in the utility model, the first module M1 further comprises a first shielding sheet 61 installed on the first conductive shell 11. In an embodiment of the utility model, the first shielding sheet 61 is a metal shielding sheet. The first shielding sheet 61 comprises a first main body part 611 and a first plate-shaped extension part 613 extending from the first main body part 611. The first main body part 611 comprises a plurality of first punching parts 612 punched integrally. Each first punching part 612 is provided with a first positioning through hole 6121 penetrating the first punching part 612 along the second direction A2-A2. The first main body part 611 further comprises a plurality of first notches 6111 penetrating one side edge thereof and a plurality of first positioning grooves 6112 penetrating the side edge. The plurality of first notches 6111 and the plurality of first positioning grooves 6112 are arranged at intervals along the third direction A3-A3, wherein the first notches 6111 and the first positioning grooves 6112 are arranged alternately along the third direction A3-A3. The first shielding sheet 61 can form a four-around shielding structure with the first conductive shell 11, thereby facilitating improvement of the shielding effect. The first positioning grooves 6112 cooperate with the first positioning blocks 1141 to realize positioning. The first notches 6111 correspond to the first shielding layer 513 of the first cable 51. The first notches 6111 are configured to be filled with solder to weld and fix the first main body part 611 and the first shielding layer 513, thereby facilitating further improvement of the grounding shielding effect. The first positioning through hole 6121 cooperates with the first positioning protruding column 332.

[0169] In the embodiment shown in the utility model, the first plate-shaped extension part 613 is substantially T-shaped, and the first plate-shaped extension part 613 is provided with at least one first positioning through hole 6131. The first positioning protruding column 33a11 penetrates the first positioning through hole 6131 to realize assembly positioning. The first shielding sheet 61 is at least partially supported on the first insulating block 33a1.

[0170] The first plate-shaped extension part 613 of the first shielding sheet 61 is in contact with the first abutting part 3521 of the first grounding terminal G1 and the second abutting part 3522 of the second grounding terminal G2, so that the first shielding sheet 61 can be grounded to the circuit board 400 through the first mounting tail part 351 of the first grounding terminal G1 and the first mounting tail part 351 of the second grounding terminal G2. In an embodiment of the utility model, the first plate-shaped extension part 613 of the first shielding sheet 61 is welded and fixed with the first abutting part 3521 of the first grounding terminal G1 and the second abutting part 3522 of the second grounding terminal G2. The first shielding sheet 61 is not in contact with the first extension part 3523 of the first plate-end additional terminal 350 to prevent short circuit.

[0171] In the embodiment shown in the utility model, the second module M2 further comprises a second shielding sheet 63 installed on the second conductive shell 12. In an embodiment of the utility model, the second shielding sheet 63 is a metal shielding sheet. The second shielding sheet 63 comprises a second main body part 631 and a second plate-shaped extension part 633 extending from the second main body part 631. The second main body part 631 comprises a plurality of second stamping parts 632 stamped integrally. Each second stamping part 632 is provided with a second positioning through hole 6321 penetrating the second stamping part 632 in the second direction A2-A2. The second main body part 631 further comprises a plurality of second notches 6311 penetrating one side edge thereof and a plurality of second positioning grooves 6312 penetrating the side edge. The plurality of second notches 6311 and the plurality of second positioning grooves 6312 are arranged at intervals in the third direction A3-A3, wherein the second notches 6311 and the second positioning grooves 6312 are arranged alternately in the third direction A3-A3. The second shielding sheet 63 can form a four-around shielding structure with the second conductive shell 12, thereby facilitating improvement of the shielding effect. The second positioning grooves 6312 cooperate with the second positioning blocks 1241 to realize positioning. The second notches 6311 correspond to the second shielding layer 523 of the second cable 52. The second notches 6311 are configured to be filled with solder to weld and fix the second main body part 631 and the second shielding layer 523, thereby facilitating further improvement of the grounding shielding effect. The second positioning through hole 6321 cooperates with the second positioning protruding column 342.

[0172] In the embodiment shown in the utility model, the second plate-shaped extension part 633 is substantially T-shaped, and the second plate-shaped extension part 633 is provided with at least one second positioning through hole 6331. The second positioning protruding column 34a11 penetrates the second positioning through hole 6331 to realize assembly positioning. The second shielding sheet 63 is at least partially supported on the second insulating block 34a1.

[0173] The second plate-shaped extension 633 of the second shielding sheet 63 is in contact with the third abutting portion 3621 of the third ground terminal G3 and the fourth abutting portion 3622 of the fourth ground terminal G4, so that the second shielding sheet 63 can be grounded through the second mounting tail portion 361 of the third ground terminal G3 and the second mounting tail portion 361 of the fourth ground terminal G4 and the circuit board 400. In an embodiment of the present application, the second plate-shaped extension 633 of the second shielding sheet 63 is welded and fixed with the third abutting portion 3621 of the third ground terminal G3 and the fourth abutting portion 3622 of the fourth ground terminal G4. The second shielding sheet 63 is not in contact with the second extension 3623 of the second plate-end additional terminal 360, so as to prevent short circuit.

[0174] When assembling the electric connector 100, first, the first insulating fixed block 21 is fixed in the first filling groove 1123, and the second insulating fixed block 22 is fixed in the second filling groove 1223.

[0175] Then, the first terminal module 31a and the second terminal module 32a are mounted in the corresponding first terminal module mounting groove 113 and the second terminal module mounting groove 123 along the second direction A2-A2. At this time, the first holding block 33 is clamped in the corresponding first terminal module mounting groove 113, so that the first fixed portion 311 of the first conductive terminal 31 is arranged in the first terminal module mounting groove 113, so as to avoid short circuit caused by contact with the first conductive shell 11. The first contact arm 310 of the first signal terminal S1 extends at least partially into the first slot 211 of the first insulating fixed block 21. The first contact arm 310 of the second signal terminal S2 extends at least partially into the second slot 212 of the first insulating fixed block 21. Similarly, the second holding block 34 is clamped in the corresponding second terminal module mounting groove 123, so that the second fixed portion 321 of the second conductive terminal 32 is arranged in the second terminal module mounting groove 123, so as to avoid short circuit caused by contact with the second conductive shell 12. The second contact arm 320 of the third signal terminal S3 extends at least partially into the third slot 221 of the second insulating fixed block 22. The second contact arm 320 of the fourth signal terminal S4 extends at least partially into the fourth slot 222 of the second insulating fixed block 22.

[0176] Then, the first cable 51 and the second cable 52 are respectively arranged in the first terminal module mounting groove 113 and the second terminal module mounting groove 123. The first core 511 of the first cable 51 is in contact with the first tail portion 313 of the first conductive terminal 31, and the second core 521 of the second cable 52 is in contact with the second tail portion 323 of the second conductive terminal 32.

[0177] In the embodiment shown in the utility model, the first cable 51 and the second cable 52 are inserted into the corresponding first terminal module installation slot 113 and second terminal module installation slot 123 from back to front along the first direction A1-A1. The first core body 511 of the first cable 51 is located at the bottom of the first tail part 313 of the first conductive terminal 31, and the second core body 521 of the second cable 52 is located at the top of the second tail part 323 of the second conductive terminal 32. Preferably, in an embodiment of the utility model, the first core body 511 of the first cable 51 is welded and fixed with the first tail part 313 of the first conductive terminal 31, and the second core body 521 of the second cable 52 is welded and fixed with the second tail part 323 of the second conductive terminal 32.

[0178] Then, the first shielding sheet 61 and the second shielding sheet 63 are respectively installed on the first conductive shell 11 and the second conductive shell 12.

[0179] Then, the first grounding sheet 41 and the second grounding sheet 42 are respectively installed on the first conductive shell 11 and the second conductive shell 12.

[0180] Then, the first conductive shell 11 and the second conductive shell 12 are abutted together; the first base part 111 and the second base part 121 correspond to each other in up and down direction; the first protruding part 112 and the second protruding part 122 correspond to each other in up and down direction. In the second direction A2-A2, the first shielding sheet 61 and the second shielding sheet 63 are both located between the plurality of first conductive terminals 31 and the plurality of second conductive terminals 32, so as to reduce the crosstalk between the first conductive terminals 31 and the second conductive terminals 32. In addition, in order to further increase the bonding force of the first conductive shell 11 and the second conductive shell 12, the first conductive shell 11 and the second conductive shell 12 are welded at the joint position. When the first conductive shell 11 and the second conductive shell 12 are fixed, the receiving slot 101 for receiving the docking module is formed between the first protruding part 112 and the second protruding part 122.

[0181] Those skilled in the art can understand that the steps in the above assembly method can be flexibly adjusted in order according to the needs, and the utility model will not repeat the details here.

[0182] Please refer to Figures 1 to 17As shown, the connector assembly further includes a shielding housing 500. The shielding housing 500 is mounted and fixed on the circuit board 400. In the illustrated embodiment of the present application, the shielding housing 500 is made of metal material so as to provide relatively good shielding effect. In the illustrated embodiment of the present application, the shielding housing 500 includes a plurality of receiving cavities 50a arranged side by side along the third direction A3-A3. Corresponding to each receiving cavity 50a, the shielding housing 500 includes a first wall portion 51a (e.g., a top wall), a second wall portion 52a (e.g., a bottom wall) opposite to the first wall portion 51a, a third wall portion 53a (e.g., a left side wall), a fourth wall portion 54a (e.g., a right side wall) opposite to the third wall portion 53a, and a fifth wall portion 55a (e.g., a back wall). In the illustrated embodiment of the present application, the first wall portion 51a, the second wall portion 52a, the third wall portion 53a, the fourth wall portion 54a and the fifth wall portion 55a jointly enclose the receiving cavity 50a.

[0183] The first wall portion 51a is provided with an opening portion 51a1 penetrating through the first wall portion 51a and communicating with the receiving cavity 50a.

[0184] The shielding housing 500 is further provided with at least one positioning hole 51a2 cooperating with the positioning protruding column 71 of the electrical connector 100. In the illustrated embodiment of the present application, the positioning hole 51a2 includes a plurality of first positioning holes 51a21 provided on the first wall portion 51a and penetrating through the first wall portion 51a along the second direction A2-A2. In the illustrated embodiment of the present application, the first positioning holes 51a21 are two and arranged at intervals along the first direction A1-A1. The first positioning holes 51a21 are circular holes and cooperate with the first positioning protruding column 711.

[0185] The second wall portion 52a is provided with a plurality of first slots 52a1 and a plurality of second slots 52a2. The plurality of first slots 52a1 are arranged in a row along the first direction A1-A1, and the plurality of second slots 52a2 are arranged in another row along the first direction A1-A1.

[0186] Further, in the embodiment shown in the utility model, the second wall part 52a is provided with a mounting opening 52a3 configured to mount the electric connector 100. The shielding shell 500 comprises a mounting wall 56a at least partially enclosing the mounting opening 52a3. The positioning hole 51a2 comprises a plurality of second positioning holes 51a22 provided on the mounting wall 56a and penetrating the mounting wall 56a along the second direction A2-A2. In the embodiment shown in the utility model, the second positioning holes 51a22 are two and are arranged at intervals along the third direction A3-A3. The second positioning holes 51a22 are circular holes and are matched with the second positioning protrusions 712.

[0187] The mounting wall 56a comprises a mounting part 56a1 opposite to the first wall part 51a, a first buckling part 56a2 bent from one side of the mounting part 56a1, a second buckling part 56a3 bent from the other side of the mounting part 56a1, and an abutting part 56a4 bent from one end of the mounting part 56a1. The abutting part 56a4 supports the electric connector 100.

[0188] The third wall part 53a is provided with a plurality of first crimping feet 53a1 extending downward and penetrating the plurality of first slits 52a1. The first crimping feet 53a1 are provided with fish-eye holes, so that the first crimping feet 53a1 have a certain elastic deformation capacity. The first crimping feet 53a1 are configured to penetrate the first slits 52a1 and be inserted into the first mounting holes 401 of the circuit board 400, so as to be fixed with the circuit board 400 and realize grounding.

[0189] The fourth wall part 54a is provided with a plurality of second crimping feet 54a1 extending downward and penetrating the plurality of second slits 52a2. The second crimping feet 54a1 are provided with fish-eye holes, so that the second crimping feet 54a1 have a certain elastic deformation capacity. The second crimping feet 54a1 are configured to penetrate the second slits 52a2 and be inserted into the second mounting holes 402 of the circuit board 400, so as to be fixed with the circuit board 400 and realize grounding.

[0190] The fifth wall part 55a is provided with an opening 55a1 penetrating the fifth wall part 55a along the first direction A1-A1, and the opening 55a1 is in communication with the accommodation cavity 50a1. The electric connector 100 at least partially penetrates the opening 55a1.

[0191] In the embodiment shown in the utility model, the fifth wall part 55a is provided with at least one heat dissipation opening 55a2 in communication with the accommodation cavity 50a1 along the first direction A1-A1, and the heat dissipation opening 55a2 penetrates the fifth wall part 55a along the first direction A1-A1.

[0192] Please refer to Figure 10 As shown in the embodiments of the utility model, the shielding shell 500 further comprises a connecting wall 58 connected with the fifth wall part 55a and a holding arm 59 connected with the connecting wall 58. In the embodiments of the utility model, the connecting wall 58 extends along the first direction A1-A1, the holding arm 59 extends along the second direction A2-A2, and the connecting wall 58 is located between the fifth wall part 55a and the holding arm 59. The fifth wall part 55a and the holding arm 59 are parallel to each other, and the connecting wall 58 is perpendicular to the fifth wall part 55a and the holding arm 59.

[0193] In the embodiments of the utility model, the connecting wall 58 is provided with at least one opening hole 581 (such as Figure 15 As shown in the embodiments of the utility model, the outer insulation shell 7 further comprises at least one mounting convex column 713, and the mounting convex column 713 penetrates through the opening hole 581 to realize fixation. In an embodiment of the utility model, the mounting convex column 713 is fixed in the opening hole 581 through hot melting, so that the connecting wall 58 is combined with the electrical connector 100 as a whole.

[0194] The shielding shell 500 further comprises a plurality of grounding spring sheets 57a. The plurality of grounding spring sheets 57a are configured to abut against the mating connector to increase holding force and improve grounding effect.

[0195] In addition, in the embodiments of the utility model, the connector assembly further comprises a heat dissipation module 600 mounted on the shielding shell 500, a buckling sheet 700 used to reliably fix the heat dissipation module 600 on the shielding shell 500, and a light guide pipe 800.

[0196] Please refer to Figure 13 As shown in the embodiments of the utility model, the heat dissipation module 600 comprises a heat dissipation substrate 601 and heat dissipation fins 602 protruding from the heat dissipation substrate 601. The heat dissipation substrate 601 at least partially penetrates through the opening part 51a1 to protrude into the accommodation cavity 50a. The heat dissipation substrate 601 is used to contact the mating connector to transfer heat from the heat dissipation substrate 601 to the heat dissipation fins 602 and dissipate heat.

[0197] Please refer to Figure 10As shown in the embodiment of the utility model, the holding arm 59 comprises a first holding arm 591, a second holding arm 592 and a plugboard part 593 between the first holding arm 591 and the second holding arm 592. The first holding arm 591, the plugboard part 593 and the second holding arm 592 are arranged in sequence along the third direction A3-A3. Specifically, the first holding arm 591 is provided with a first hook part 5911, the second holding arm 592 is provided with a second hook part 5921, and the protruding directions of the first hook part 5911 and the second hook part 5921 are opposite.

[0198] In addition, please combine Figure 12 As shown, the shielding shell 500 further comprises a support part 57 which is integrally bent from the first wall part 51a, and the support part 57 extends along the second direction A2-A2 and is perpendicular to the first wall part 51a. In the embodiment of the utility model, the support part 57 comprises a first support arm 571, a second support arm 572 and a mounting slot 570 between the first support arm 571 and the second support arm 572.

[0199] Specifically, the end of the first support arm 571 is provided with a first guide surface 5711 and a first notch 5712 which is below the first guide surface 5711 along the second direction A2-A2. The end of the second support arm 572 is provided with a second guide surface 5721 and a second notch 5722 which is below the second guide surface 5721 along the second direction A2-A2. The first guide surface 5711 and the second guide surface 5721 form a horn mouth 573 which guides the light guide pipe 800 to be loaded; the first notch 5712 and the second notch 5722 form a buffer mouth 574. The size of the buffer mouth 574 along the third direction A3-A3 is greater than the size of the mounting slot 570 along the third direction A3-A3.

[0200] Please combine Figure 9 And Figure 11As shown, the light guide pipe 800 includes a first pipe body part 81, a second pipe body part 82, a first connecting part 83 connecting the first pipe body part 81 and the second pipe body part 82, a second connecting part 84 connecting the first pipe body part 81 and the second pipe body part 82, and a third connecting part 85 connecting the first pipe body part 81 and the second pipe body part 82. The first pipe body part 81 and the second pipe body part 82 are both in L shape. The first connecting part 83, the second connecting part 84, and the third connecting part 85 are arranged at intervals along the first direction A1-A1. The first connecting part 83 is provided with a mounting slot 831, and the holding arm 59 is at least partially inserted into the mounting slot 831 to fix the light guide pipe 800. Specifically, the first hook part 5911 and the second hook part 5921 are both locked with the first connecting part 83. The plug-in plate part 593 is at least partially inserted into the mounting slot 831. In the embodiment shown in the utility model, the first holding arm 591, the plug-in plate part 593, and the second holding arm 592 all pass through the first connecting part 83 from the mounting slot 831.

[0201] The second connecting part 84 includes an extension protruding part 841 protruding along the second direction A2-A2, and the extension protruding part 841 includes a protruding column part 8411 and a neck part 8412 connected with the protruding column part 8411, and the neck part 8412 is contracted compared with the protruding column part 8411.

[0202] When assembled, the neck part 8412 of the light guide pipe 800 is first assembled into the buffer opening 574 under the guidance of the horn opening 573, and then a pressing force is applied to the light guide pipe 800, so that the neck part 8412 is tightly clamped into the mounting slot 570 from the buffer opening 574, to realize mounting and fixing. The protruding column part 8411 protrudes the support part 57 along the first direction A1-A1. At the same time, the holding arm 59 of the light guide pipe 800 passes through the mounting slot 831 to fix the light guide pipe 800.

[0203] After the light guide pipe 800 is assembled in place, the first pipe body part 81 and the second pipe body part 82 are respectively located on both sides of the cables (including the first cable 51 and the second cable 52) along the third direction A3-A3, so as not to affect the arrangement of the cables. The heat dissipation fins 602 protrude from the first pipe body part 81 and the second pipe body part 82 along the second direction A2-A2, and the first pipe body part 81 and the second pipe body part 82 are respectively located on both sides of the heat dissipation fins 602 along the third direction A3-A3. The first pipe body part 81 and the second pipe body part 82 respectively correspond to the first light emitting element 405 and the second light emitting element 406, so as to display the light generated by the first light emitting element 405 and the second light emitting element 406 through the first pipe body part 81 and the second pipe body part 82 at the docking end of the connector assembly, thereby facilitating identification of the working state of the connector assembly.

[0204] When assembling the shielding shell 500 and the electric connector 100, first, the electric connector 100 is loaded into the shielding shell 500 from the mounting opening 52a3; the positioning part 7112 of the first positioning protrusion 711 is inserted and positioned in the first positioning hole 51a21, and the supporting part 7111 supports the first wall part 51a; then, the mounting wall 56a is fixed, the second positioning protrusion 712 is inserted and positioned in the second positioning hole 51a22, and the abutting part 56a4 supports the electric connector 100. Then, the shielding shell 500 is fixed on the circuit board 400. In an embodiment of the present application, in order to further increase the bonding strength of the electric connector 100 and the shielding shell 500, the positioning part 7112 of the first positioning protrusion 711 is inserted and positioned in the first positioning hole 51a21, and is further fixed with the shielding shell 500 by means of heat melting. Similarly, the second positioning protrusion 712 is inserted and positioned in the second positioning hole 51a22, and is further fixed with the shielding shell 500 by means of heat melting.

[0205] Compared with the prior art, the connector assembly of the utility model includes an electric connector 100 and a shielding shell 500. At least one positioning convex column 71 of the electric connector 100 and at least one positioning hole 51a2 of the shielding shell 500 are matched with each other, and the positioning convex column 71 is inserted into the positioning hole 51a2. In this way, the utility model can effectively fix the position of the electric connector 100 and prevent the electric connector 100 from moving in the shielding shell 500. In the embodiment shown in the utility model, the positioning convex column 71 is arranged on the electric connector 100, and the positioning hole 51a2 is arranged on the shielding shell 500. The positioning convex column 71 can be integrally formed with the outer insulation shell 7 or arranged separately. Of course, those skilled in the art can understand that in other embodiments of the utility model, the positioning convex column 71 can also be arranged on the shielding shell 500, and at this time, the positioning hole 51a2 is arranged on the electric connector 100. The positioning convex column 71 can be integrally formed with the shielding shell 500 or arranged separately. In addition, the conductive terminal 3 of the electric connector 100 in the embodiment shown in the utility model includes a cable terminal and a plate end terminal, and this mixed terminal arrangement often brings inconvenience to the arrangement and installation of surrounding elements. In the embodiment shown in the utility model, the fixing structure is simplified by inserting the holding arm 59 at least partially into the installation slot 831 to fix the light guide pipe 800. In addition, the first shielding sheet 61 is arranged to contact the first ground terminal G1 and the second ground terminal G2, so that the first installation tail 351 of the first ground terminal G1 and the first installation tail 351 of the second ground terminal G2 can be grounded with the circuit board 400, thereby simplifying the structural design of the first ground terminal G1 and the second ground terminal G2 themselves.

[0206] The above embodiments are only used to illustrate the utility model and not to limit the technical solutions described in the utility model. The understanding of the utility model should be based on the skilled person in the art. Although the utility model has been described in detail with reference to the above embodiments, those skilled in the art should understand that the skilled person in the art can still modify or equivalently replace the utility model, and all technical solutions and improvements that do not deviate from the spirit and scope of the utility model should be covered within the scope of the claims of the utility model.

Claims

1. An electrical connector, characterized by, The electric connector comprises: a housing provided with a receiving slot extending along a first direction and configured to receive a mating connector; a plurality of conductive terminals provided on the housing, the conductive terminals comprising a first conductive terminal and a plurality of first board end terminals, the first board end terminals comprising a first ground terminal and a first board end additional terminal located beside the first ground terminal, each of the first board end terminals comprising a first mounting tail configured to be mounted on a circuit board, the first ground terminal comprising a first abutting portion; a first cable electrically connected with the first conductive terminal; and a first shielding sheet in contact with the first abutting portion of the first ground terminal, so that the first shielding sheet can be grounded with the circuit board through the first mounting tail of the first ground terminal. Each of the first conductive terminals comprises a first contact arm comprising a first contact portion protruding into the receiving slot, and a first tail portion; 2. The electrical connector of claim 1, wherein: the first board end additional terminal comprises a first extension portion and a first additional contact arm connected with the first extension portion, the first additional contact arm comprising a first additional contact portion protruding into the receiving slot; the first cable is electrically connected with the first tail portion of the first conductive terminal; the first board end terminals further comprise a second ground terminal, the first board end additional terminal being located between the first ground terminal and the second ground terminal, the second ground terminal comprising a second abutting portion; the first shielding sheet is in contact with the second abutting portion of the second ground terminal, so that the first shielding sheet can be grounded with the circuit board through the first mounting tail of the second ground terminal; the first shielding sheet is not in contact with the first extension portion of the first board end additional terminal. The first shielding sheet is welded with the first abutting portion of the first ground terminal and the second abutting portion of the second ground terminal.

3. The electrical connector of claim 2, wherein: Neither the first ground terminal nor the second ground terminal is provided with any elastic contact arm protruding into the receiving slot and configured to be electrically connected with the mating connector.

4. The electrical connector of claim 2, wherein: The first abutting portion, the second abutting portion and the first extension portion are parallel to each other.

5. The electrical connector of claim 2, wherein: The first abutting portion and the second abutting portion are located at a first height along a second direction, the first extension portion is located at a second height along the second direction, and the first height is different from the second height.

6. The electrical connector of claim 2, wherein: The electric connector comprises at least one first insulating block fixed on the first extension portion, the first additional contact arm protruding out of the first insulating block, and the first shielding sheet being at least partially supported on the first insulating block.

7. The electrical connector of claim 2, wherein: The first insulating block is provided with at least one first positioning protruding column, and the first shielding sheet is provided with at least one first positioning perforation, the first positioning protruding column penetrating through the first positioning perforation.

8. The electrical connector of claim 7, wherein: The first shielding sheet comprises a first main body portion in contact with the housing and a first plate-shaped extension portion extending from the first main body portion, the first plate-shaped extension portion being in contact with the first abutting portion of the first ground terminal and the second abutting portion of the second ground terminal.

9. The electrical connector of claim 2, wherein: ​ The first main body part is provided with a plurality of first notches, the first cable comprises a first core, a first insulator wrapped on the first core, and a first shielding layer wrapped on the first insulator, the first core is welded and fixed with the first tail of the first conductive terminal, the first notches correspond to the first shielding layer, and the first notches are configured to be filled with solder to weld and fix the first main body part and the first shielding layer.

10. The electrical connector of claim 2, wherein: The length of the first extension part along the first direction is greater than the length of the first abutting part along the first direction, and the length of the first extension part along the first direction is greater than the length of the second abutting part along the first direction.

11. The electrical connector of claim 2, wherein: The first mounting tail of the first ground terminal is perpendicular to the first abutting part of the first ground terminal, the first mounting tail of the second ground terminal is perpendicular to the second abutting part of the second ground terminal, and the first mounting tail of the first plate-end additional terminal is perpendicular to the first extension part of the first plate-end additional terminal. Each first mounting tail is provided with a first mounting through hole, and the first mounting tail is configured to be inserted into the first conductive hole of the circuit board in an elastically deformed manner.

12. The electrical connector of claim 2, wherein: The electric connector comprises a first module; the first module comprises: a first conductive shell; and a first terminal module, the first terminal module is at least partially arranged in the first conductive shell, and the first terminal module comprises the first conductive terminal, and the first conductive terminal is not in contact with the first conductive shell; the shell comprises the first conductive shell.

13. The electrical connector of claim 12, wherein: The first conductive terminal of the first terminal module comprises a first signal terminal and a second signal terminal; The first module further comprises a first holding block fixed on the first signal terminal and the second signal terminal, the first holding block is provided with a first positioning protruding column, the first shielding sheet is provided with a first positioning through hole, and the first positioning protruding column passes through the first positioning through hole.

14. The electrical connector of claim 12, wherein: The electric connector comprises a second module; the second module comprises: a second conductive shell; and a second terminal module, the second terminal module is at least partially arranged in the second conductive shell, and the second terminal module comprises a plurality of second conductive terminals, and the second conductive terminals are not in contact with the second conductive shell; the shell comprises the second conductive shell; the receiving slot is formed by the first conductive shell and the second conductive shell.

15. A connector assembly comprising: comprises: an electric connector, the electric connector is the electric connector as claimed in any one of claims 1 to 14; a shielding shell, the shielding shell is configured to be mounted on a circuit board, the shielding shell comprises a receiving cavity, the receiving cavity is in communication with the receiving slot along a first direction, the receiving cavity and the receiving slot are configured to jointly receive a mating connector along the first direction; a first cable passes out of the shielding shell; the shielding shell is provided with a holding arm; and The light guide pipe comprises a first pipe body part and a first connecting part connected with the first pipe body part, the first pipe body part is located at one side of the first cable; the first connecting part is provided with a mounting slot, the holding arm is at least partially inserted into the mounting slot to fix the light guide pipe.

16. The connector assembly of claim 15, wherein: The holding arm comprises a first clamping arm and a second clamping arm which is spaced apart from the first clamping arm, the first clamping arm is provided with a first hook part, the second clamping arm is provided with a second hook part, the first hook part and the second hook part are locked with the first connecting part.

17. The connector assembly of claim 16, wherein: The first hook part and the second hook part are opposite in protruding direction.

18. The connector assembly of claim 16, wherein: The holding arm further comprises an insertion plate part between the first clamping arm and the second clamping arm, the first clamping arm, the insertion plate part and the second clamping arm are sequentially and spaced apart, the insertion plate part is at least partially inserted into the mounting slot.

19. The connector assembly of claim 18, wherein: The first clamping arm, the insertion plate part and the second clamping arm are all out of the mounting slot and through the first connecting part.

20. The connector assembly of claim 15, wherein: The light guide pipe comprises a second pipe body part which is arranged side by side with the first pipe body part, the first connecting part connects the first pipe body part and the second pipe body part, the first pipe body part and the second pipe body part are respectively located at two sides of the cable; The light guide pipe comprises a second connecting part which connects the first pipe body part and the second pipe body part, the second connecting part comprises an extension protruding part which protrudes in a second direction, the extension protruding part comprises a protruding column part and a neck part connected with the protruding column part; the second direction is perpendicular to the first direction; The shielding shell comprises a support part, the support part comprises a first support arm, a second support arm and a mounting slot between the first support arm and the second support arm, the neck part is tightly clamped in the mounting slot, and the protruding column part protrudes the support part in the first direction.

21. The connector assembly of claim 20, wherein: The end of the first support arm is provided with a first guide surface and a first notch which is located at the lower part of the first guide surface in the second direction, and the end of the second support arm is provided with a second guide surface and a second notch which is located at the lower part of the second guide surface in the second direction; the first guide surface and the second guide surface form a horn which guides the neck part; the first notch and the second notch form a buffer port, the size of the buffer port in a third direction is greater than the size of the mounting slot in the third direction, and the third direction is perpendicular to the first direction and the second direction.

22. The connector assembly of claim 15, wherein: The shielding shell comprises a connecting wall connected with the holding arm, and the connecting wall is provided with at least one opening; The electrical connector comprises an outer insulating shell fixed on the shell, the outer insulating shell is provided with at least one mounting protruding column, the mounting protruding column passes through the opening; the mounting protruding column is fixed in the opening through hot melting, so that the connecting wall and the electrical connector are combined as a whole.

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