First connector and connector assembly

Abstract

A first connector includes a first housing and a first terminal assembly. The first terminal assembly includes a first terminal module, a conductive housing and a first cable. The first terminal module includes a first conductive terminal and a second conductive terminal. The first cable includes a first conductive wire and a second conductive wire. The conductive housing includes a first conductive housing and a second conductive housing cooperating with the first conductive housing. The first conductive housing and the second conductive housing are separate and cooperate with each other. The first conductive housing and the second conductive housing are provided with at least one positioning convex and at least one positioning notch cooperating with each other. The positioning convex is accommodated in the positioning notch. The conductive housing of the first connector is conducive to reducing manufacturing difficulty and improving product quality. The utility model also discloses a connector assembly with the first connector.

Description

Technical Field

[0001] This utility model relates to a first connector and a connector assembly, belonging to the field of connector technology. Background Technology

[0002] Connector assemblies in related technologies typically include a first connector and a second connector that mate with each other. The first connector typically includes a first housing and a plurality of terminal modules mounted within the first housing. Each terminal module includes a first terminal module, a conductive housing at least partially surrounding the periphery of the first terminal module, and a first cable electrically connected to the first terminal module. The first terminal module includes a first conductive terminal and a second conductive terminal, both of which include a contact portion and a tail portion.

[0003] However, there is still room for improvement in the conductive casing of the related technologies. Utility Model Content

[0004] The purpose of this invention is to provide a first connector with an improved structure and a connector assembly.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a first connector, comprising:

[0006] First shell; and

[0007] A first terminal assembly is at least partially disposed in the first housing; the first terminal assembly includes a first terminal module, a conductive housing at least partially disposed around the periphery of the first terminal module, and a first cable electrically connected to the first terminal module; the first terminal module includes a first conductive terminal and a second conductive terminal, both of which include a contact portion and a tail portion.

[0008] The first cable includes a first conductive wire and a second conductive wire. The first conductive wire is electrically connected to the tail of the first conductive terminal, and the second conductive wire is electrically connected to the tail of the second conductive terminal. The first conductive wire and the second conductive wire are arranged at intervals along a third direction.

[0009] The conductive housing includes a first conductive housing and a second conductive housing. The first conductive housing and the second conductive housing are separately disposed and cooperate with each other along a second direction, which is perpendicular to the third direction. The first conductive housing and the second conductive housing are provided with at least one positioning protrusion and at least one positioning notch that cooperate with each other. The positioning protrusion is received in the positioning notch.

[0010] As a further improvement of the present invention, the first conductive shell includes a first base, a first cover, and a first intermediate portion located between the first base and the first cover; the second conductive shell includes a second base, a second cover, and a second intermediate portion located between the second base and the second cover.

[0011] The first base portion and the second base portion together form a first space; the first middle portion and the second middle portion together form a second space; the first covering portion and the second covering portion together form a third space;

[0012] The first terminal module is at least partially located in the first space;

[0013] The connection portion between the first conductive wire and the tail of the first conductive terminal, and the connection portion between the second conductive wire and the tail of the second conductive terminal, are both at least partially located in the second space.

[0014] The first cable is at least partially located in the third space.

[0015] As a further improvement of the present invention, the connection portion of the first conductive wire to the tail of the first conductive terminal and the connection portion of the second conductive wire to the tail of the second conductive terminal are both exposed in the second space and are in contact with air.

[0016] As a further improvement of the present invention, both the first conductive shell and the second conductive shell extend along the first direction;

[0017] The first direction, the second direction, and the third direction are all perpendicular to each other.

[0018] As a further improvement of the present invention, the projection of the first space onto the plane formed by the second direction and the third direction is rectangular.

[0019] As a further improvement of the present invention, the projection of the third space onto the plane formed by the second direction and the third direction is elliptical, and the major axis of the ellipse extends along the third direction.

[0020] As a further improvement of the present invention, the first base includes a first outer wall portion, a first lateral wall portion formed by bending from one side of the first outer wall portion, and a second lateral wall portion formed by bending from the other side of the first outer wall portion.

[0021] The second base portion includes a third outer wall portion, a third lateral wall portion formed by bending from one side of the third outer wall portion, and a fourth lateral wall portion formed by bending from the other side of the third outer wall portion;

[0022] The first lateral wall portion corresponds to the third lateral wall portion, and the second lateral wall portion corresponds to the fourth lateral wall portion.

[0023] As a further improvement of the present invention, the positioning convex hull includes a first positioning convex hull disposed on the first side wall portion, and the positioning notch includes a first positioning notch disposed on the third side wall portion, wherein the first positioning convex hull and the first positioning notch cooperate with each other.

[0024] As a further improvement of the present invention, the positioning convex humb includes a second positioning convex humb disposed on the fourth lateral wall portion, and the positioning notch includes a second positioning notch disposed on the second lateral wall portion, wherein the second positioning convex humb and the second positioning notch cooperate with each other.

[0025] As a further improvement of the present invention, the first lateral wall portion is provided with a first positioning recess, the second lateral wall portion is provided with a second positioning recess, the third lateral wall portion is provided with a third positioning recess, and the fourth lateral wall portion is provided with a fourth positioning recess.

[0026] The first positioning recess is connected to the third positioning recess to jointly form a first mounting recess located on one side of the conductive housing; the second positioning recess is connected to the fourth positioning recess to jointly form a second mounting recess located on the other side of the conductive housing.

[0027] The first terminal module includes a conductive metal block that is held in the first mounting recess and the second mounting recess, and is at least partially located in the first space.

[0028] As a further improvement of the present invention, the first terminal module includes a first insulating isolation block at least partially fixed on the first conductive terminal, a second insulating isolation block at least partially fixed on the second conductive terminal, a first shielding sleeve sleeved on the first insulating isolation block and located around the first conductive terminal, and a second shielding sleeve sleeved on the second insulating isolation block and located around the second conductive terminal; the conductive metal block is provided with a first through hole through which the first shielding sleeve passes and a second through hole through which the second shielding sleeve passes.

[0029] As a further improvement of the present invention, the first cable includes a first insulating layer wrapped around the first conductive wire in a circumferential direction, a second insulating layer wrapped around the second conductive wire in a circumferential direction, and a first shielding layer disposed outside the first insulating layer and the second insulating layer; the first shielding layer is at least partially located in the third space.

[0030] As a further improvement of the present invention, the first covering part includes a first base part, a first arc-shaped part connected to one side of the first base part, and a second arc-shaped part connected to the other side of the first base part.

[0031] The second covering portion includes a second base portion, a third arc-shaped portion connected to one side of the second base portion, and a fourth arc-shaped portion connected to the other side of the second base portion;

[0032] The first arc-shaped portion corresponds to the third arc-shaped portion, and the second arc-shaped portion corresponds to the fourth arc-shaped portion.

[0033] As a further improvement of the present invention, the first base part is provided with a first tin-receiving through hole, the second base part is provided with a second tin-receiving through hole, and the first shielding layer is exposed in the first tin-receiving through hole and the second tin-receiving through hole.

[0034] As a further improvement of the present invention, the first arc-shaped portion is provided with a first solder-containing notch, the second arc-shaped portion is provided with a second solder-containing notch, the third arc-shaped portion is provided with a third solder-containing notch, and the fourth arc-shaped portion is provided with a fourth solder-containing notch.

[0035] The first tin-receiving notch is connected to the third tin-receiving notch to jointly form a first lateral tin-receiving hole located on one side of the conductive housing; the second tin-receiving notch is connected to the fourth tin-receiving notch to jointly form a second lateral tin-receiving hole located on the other side of the conductive housing.

[0036] The first shielding layer is exposed in the first lateral solder-receiving hole and the second lateral solder-receiving hole.

[0037] As a further improvement of the present invention, the first tin-retaining through-hole and the second tin-retaining through-hole are respectively located on both sides of the first shielding layer along the second direction, and the first lateral tin-retaining hole and the second lateral tin-retaining hole are respectively located on both sides of the first shielding layer along the third direction.

[0038] As a further improvement of the present invention, the first terminal assembly includes a first shielding sleeve, which is in contact with the conductive shell;

[0039] The first shielding sleeve includes a cylindrical portion, the cylindrical portion having a hollow first cavity, and the contact portion of the first conductive terminal and the contact portion of the second conductive terminal both extend at least partially into the first cavity.

[0040] As a further improvement of the present invention, the first shielding sleeve includes a first shielding shell and a second shielding shell, the first shielding shell and the second shielding shell are separately disposed and fixed together; the first shielding shell and the second shielding shell are provided with at least one recess and at least one protrusion that cooperate with each other, and the protrusion is received in the recess.

[0041] As a further improvement of this utility model, the shape of the notch is adapted to the shape of the protrusion.

[0042] As a further improvement of this utility model, the first conductive shell and the second conductive shell are manufactured or pre-manufactured using the same mold.

[0043] This utility model also discloses a connector assembly, which includes:

[0044] A first connector, wherein the first connector is the aforementioned first connector; and

[0045] The second connector includes a second housing and a plug module disposed in the second housing. The second housing has a receiving space, and the first housing of the first connector is at least partially received in the receiving space. The plug module includes a second terminal assembly, the second terminal assembly including a second terminal module, a second shielding sleeve at least partially surrounding the second terminal module, and a second cable electrically connected to the second terminal module.

[0046] The second terminal module includes a first mating terminal and a second mating terminal, which are respectively in contact with the first conductive terminal and the second conductive terminal of the first connector.

[0047] Compared to existing technologies, the conductive housing of this invention includes a first conductive housing and a second conductive housing that cooperates with the first conductive housing. The first and second conductive housings are separately disposed but cooperate with each other. The first and second conductive housings are provided with at least one positioning protrusion and at least one positioning notch that cooperate with each other, and the positioning protrusion is received in the positioning notch. The conductive housing of the first connector and connector assembly of this invention helps to reduce manufacturing difficulty and improve product quality. Attached Figure Description

[0048] Figure 1This is a perspective view of the connector assembly of this utility model in one embodiment, wherein the first connector and the second connector are in a mating state;

[0049] Figure 2 yes Figure 1 A three-dimensional diagram from another angle;

[0050] Figure 3 yes Figure 1 A three-dimensional diagram from another angle;

[0051] Figure 4 yes Figure 1 A partial exploded view of a three-dimensional structure, in which the first connector and the second connector are separated from each other;

[0052] Figure 5 yes Figure 4 Partial 3D exploded view from another angle;

[0053] Figure 6 yes Figure 4 A partial 3D exploded view from another angle;

[0054] Figure 7 yes Figure 5 Front view of the first connector in the middle;

[0055] Figure 8 yes Figure 5 Rear view of the first connector in the middle;

[0056] Figure 9 yes Figure 5 Partial exploded perspective view of the first connector in the diagram;

[0057] Figure 10 yes Figure 9 Partial 3D exploded view from another angle;

[0058] Figure 11 yes Figure 9 Further partial exploded view;

[0059] Figure 12 yes Figure 11 Partial 3D exploded view from another angle;

[0060] Figure 13 yes Figure 11 The main view of an installation module;

[0061] Figure 14 yes Figure 11 A rear view of one of the installation modules;

[0062] Figure 15 yes Figure 11 A right view of one of the installation modules;

[0063] Figure 16 yes Figure 11 Left view of an installation module;

[0064] Figure 17 yes Figure 11 An exploded 3D view of one of the installation modules;

[0065] Figure 18 yes Figure 17 Partial 3D exploded view from another angle;

[0066] Figure 19 yes Figure 17 Further partial exploded view;

[0067] Figure 20 yes Figure 19 Partial 3D exploded view from another angle;

[0068] Figure 21 yes Figure 19 A partial exploded perspective view of a first terminal component;

[0069] Figure 22 yes Figure 21 Partial 3D exploded view from another angle;

[0070] Figure 23 yes Figure 21 Further partial exploded view;

[0071] Figure 24 yes Figure 23 Partial 3D exploded view from another angle;

[0072] Figure 25 yes Figure 23 Further partial exploded view;

[0073] Figure 26 yes Figure 25 Partial 3D exploded view from another angle;

[0074] Figure 27 yes Figure 25 A three-dimensional schematic diagram of the first conductive shell and the second conductive shell in the diagram;

[0075] Figure 28 yes Figure 27 A three-dimensional diagram from another angle;

[0076] Figure 29 yes Figure 27 A three-dimensional schematic diagram of the first conductive shell and the second conductive shell fixed together;

[0077] Figure 30 yes Figure 29A three-dimensional diagram from another angle;

[0078] Figure 31 yes Figure 25 A three-dimensional schematic diagram of the first and second shielding shells in the diagram;

[0079] Figure 32 yes Figure 31 A three-dimensional diagram from another angle;

[0080] Figure 33 yes Figure 5 The main view of the second connector in the middle;

[0081] Figure 34 yes Figure 5 Rear view of the second connector in the middle;

[0082] Figure 35 yes Figure 5 Partial exploded perspective view of the second connector in the diagram;

[0083] Figure 36 yes Figure 35 Partial 3D exploded view from another angle;

[0084] Figure 37 yes Figure 35 Further partial exploded view;

[0085] Figure 38 yes Figure 37 Partial 3D exploded view from another angle;

[0086] Figure 39 yes Figure 37 A front view of a plug-in module;

[0087] Figure 40 yes Figure 37 Rear view of a plug-in module;

[0088] Figure 41 yes Figure 37 Left view of a plug-in module;

[0089] Figure 42 yes Figure 37 Right view of a plug-in module;

[0090] Figure 43 yes Figure 37 A partial exploded 3D view of a plug-in module;

[0091] Figure 44 yes Figure 43 Partial 3D exploded view from another angle;

[0092] Figure 45 It is to remove Figure 43 An exploded 3D view of the part behind the second insulating plate;

[0093] Figure 46 yes Figure 45 Partial 3D exploded view from another angle;

[0094] Figure 47 yes Figure 45 An exploded perspective view of a second terminal module, a second shielding sleeve, a cable, and a conductive component.

[0095] Figure 48 yes Figure 47 A three-dimensional exploded view from another angle;

[0096] Figure 49 yes Figure 47 A perspective view of a first mating terminal and a second mating terminal in one embodiment;

[0097] Figure 50 It is along Figure 49 Schematic diagram of the cross section of the middle BB line;

[0098] Figure 51 yes Figure 47 A perspective view of a first mating terminal and a second mating terminal in another embodiment;

[0099] Figure 52 It is along Figure 51 Schematic diagram of the cross section of the CC line;

[0100] Figure 53 yes Figure 30 Top view;

[0101] Figure 54 It is along Figure 3 Schematic diagram of the cross section of the DD line;

[0102] Figure 55 yes Figure 54 A magnified view of part F within the middle frame;

[0103] Figure 56 It is along Figure 3 Schematic diagram of the cross section of the EE line;

[0104] Figure 57 yes Figure 56 A magnified view of the middle frame area G;

[0105] Figure 58 It is along Figure 3 A cross-sectional diagram of the KK line;

[0106] Figure 59 yes Figure 58A magnified view of the middle frame section H.

[0107] Those skilled in the art should understand that the accompanying drawings provided herein are for the purpose of illustrating specific embodiments of the present invention, and the scale shown in the drawings is only for the illustrated embodiments; other embodiments are not necessarily implemented to scale. Detailed Implementation

[0108] The exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. If several embodiments exist, features in these embodiments may be combined with each other without conflict. When the description refers to the drawings, unless otherwise stated, the same numbers in different drawings represent the same or similar elements. The descriptions in the following exemplary embodiments do not represent all embodiments consistent with the present invention; rather, they are merely examples of apparatuses, products, and / or methods consistent with some aspects of the present invention as set forth in the claims.

[0109] The terminology used in this invention is for the purpose of describing particular embodiments only and is not intended to limit the scope of protection of this invention. The singular forms “a,” “the,” or “the” used in the specification and claims of this invention are also intended to include the plural forms, unless the context clearly indicates otherwise.

[0110] It should be understood that the terms "first," "second," and similar words used in the specification and claims of this utility model do not indicate any order, quantity, or importance, but are merely used to distinguish the features. Similarly, the terms "an" or "a" do not indicate a quantity limitation, but rather indicate the presence of at least one. Unless otherwise stated, the terms "before," "after," "upper," "lower," and similar words appearing in this utility model are for ease of explanation only and are not limited to a specific location or spatial orientation. The terms "comprising" or "including" are an open-ended expression, meaning that the element preceding "comprising" or "including" covers the element following "comprising" or "including" and its equivalents, which does not exclude that the element preceding "comprising" or "including" may also include other elements. In this utility model, the word "several" means two or more.

[0111] Please refer to Figures 1 to 59As shown, this utility model discloses a connector assembly including a first connector 100 and a second connector 200 that mate with each other. In the embodiment illustrated in this utility model, both the first connector 100 and the second connector 200 are cable backplane connectors. In the embodiment illustrated in this utility model, the first connector 100 and the second connector 200 are inserted along a first direction A1-A1 (mating direction) to achieve signal transmission. In the embodiment illustrated in this utility model, the mating direction is the front-to-back direction.

[0112] Please combine Figures 7 to 12 As shown, the first connector 100 includes a first housing 1, a plurality of mounting modules 2 mounted on the first housing 1, and a first positioning pin 41 and a second positioning pin 42 for fixing the mounting modules 2 to the first housing 1.

[0113] Please combine Figure 11 as well as Figure 12 As shown, in one embodiment of the present invention, the first housing 1 is an insulating housing made of insulating material. The first housing 1 includes a first body portion 11, a first wall portion 12 extending rearward from one end (e.g., the upper end) of the first body portion 11, a second wall portion 13 extending rearward from the other opposite end (e.g., the lower end) of the first body portion 11, a first connecting wall 14 connecting one end of the first wall portion 12 and one end of the second wall portion 13, and a second connecting wall 15 connecting the other end of the first wall portion 12 and the other end of the second wall portion 13. The first housing 1 also includes a receiving space 16 enclosed by the first wall portion 12, the second wall portion 13, the first connecting wall 14, and the second connecting wall 15. The mounting module 2 is at least partially located in the receiving space 16. The first body portion 11 has a mating surface 111 and a plurality of first terminal receiving slots 112 extending through the mating surface 111 along the first direction A1-A1. In the embodiment illustrated in the present invention, the first terminal receiving slots 112 are arranged in a generally matrix-like manner. Each first terminal receiving slot 112 is polygonal with 6 or more sides. In some embodiments of this invention, the polygon has an even number of sides, with an even number greater than or equal to 6. In the embodiment illustrated in this invention, the even number is 8, meaning each first terminal receiving slot 112 is octagonal. In the embodiment illustrated in this invention, each first terminal receiving slot 112 is a regular octagon.

[0114] The first wall portion 12 is provided with a plurality of first mounting slots 121 and a first slot 122 communicating with the first mounting slots 121. The second wall portion 13 is provided with a plurality of second mounting slots 131 and a second slot 132 communicating with the second mounting slots 131. The first mounting slots 121 and the second mounting slots 131 extend along the first direction A1-A1. The first mounting slots 121 and the second mounting slots 131, which are aligned with each other along the second direction A2-A2, are used to accommodate the corresponding mounting modules 2. The first slots 122 and the second slots 132 extend in the vertical direction, wherein the first slots 122 penetrate the first wall portion 12 vertically to communicate with the corresponding first mounting slots 121; the second slots 132 penetrate the second wall portion 13 vertically to communicate with the corresponding second mounting slots 131.

[0115] The first housing 1 is further provided with a plurality of positioning protrusions 17 extending forward along the first direction A1-A1 from the first wall portion 12 and the second wall portion 13 and protruding from the mating surface 111. The positioning protrusions 17 are configured to cooperate with the second connector 200 to achieve guidance and positioning.

[0116] In one embodiment of this utility model, both the first positioning pin 41 and the second positioning pin 42 are stamped from metal sheets. In one embodiment, the plurality of first positioning pins 41 can be individually set and installed in their respective first slots 122; the plurality of second positioning pins 42 can be individually set and installed in their respective second slots 132. In other embodiments, the plurality of first positioning pins 41 can also be connected into a whole by a first strip (not shown), and the plurality of second positioning pins 42 can also be connected into a whole by a second strip (not shown); during assembly, the first positioning pins 41 and the second positioning pins 42 are respectively installed as a whole in their respective first slots 122 and second slots 132 to improve installation efficiency; after assembly, the first strip and the second strip can be removed or retained as needed.

[0117] Please combine Figures 11 to 32 As shown, each mounting module 2 includes a first insulating plate 22 and a plurality of first terminal assemblies 21 fixed to the first insulating plate 22. In the embodiment illustrated in this utility model, each first terminal assembly 21 is identical, and only one first terminal assembly 21 will be described below as an example.

[0118] The first insulating plate 22 is installed in the first housing 1. The first insulating plate 22 includes a first mounting protrusion 221 installed in the first mounting slot 121 and a second mounting protrusion 222 installed in the second mounting slot 131. In the embodiment illustrated in this utility model, both the first mounting protrusion 221 and the second mounting protrusion 222 are T-shaped to improve installation reliability. The first mounting protrusion 221 is provided with a first positioning groove 2211, and the second mounting protrusion 222 is provided with a second positioning groove 2221. The first positioning groove 2211 is configured to cooperate with the first positioning pin 41, and the second positioning groove 2221 is configured to cooperate with the second positioning pin 42, so as to hold the mounting module 2 in the first housing 1 by the first positioning pin 41 and the second positioning pin 42, preventing the mounting module 2 from detaching from the first housing 1.

[0119] The first terminal assembly 21 includes a plurality of first terminal modules 211, a conductive housing 215 at least partially surrounding the first terminal modules 211, a first shielding sleeve 214 at least partially surrounding the first terminal modules 211, and a first cable 213 electrically connected to the first terminal modules 211.

[0120] Please combine Figures 21 to 26 As shown, each first terminal module 211 includes a first conductive terminal S1, a second conductive terminal S2, a first insulating isolation block 2117 at least partially fixed to the first conductive terminal S1, a second insulating isolation block 2118 at least partially fixed to the second conductive terminal S2, a first shielding sleeve 2112 sleeved on the first insulating isolation block 2117 and located around the first conductive terminal S1, a second shielding sleeve 2113 sleeved on the second insulating isolation block 2118 and located around the second conductive terminal S2, and a conductive metal block 2111 sleeved on the first shielding sleeve 2112 and the second shielding sleeve 2113. The first insulating isolation block 2117 and the second insulating isolation block 2118 are integrally formed or separately disposed.

[0121] In the embodiment illustrated in this utility model, the first shielding sleeve 2112 includes a generally cylindrical first sleeve portion 21121 and a first outwardly flanged portion 21122 extending outwardly from the rear end of the first sleeve portion 21121. The first sleeve portion 21121 is provided with first slots 2112a located on both sides. Please refer to... Figure 25As shown, the first slot 2112a penetrates the first end face 21123 of the first shielding sleeve 2112 along the first direction A1-A1, giving the first shielding sleeve 2112 a certain elastic deformation capability. The first conductive terminal S1 at least partially protrudes from the first shielding sleeve 2112. Similarly, the second shielding sleeve 2113 includes a generally cylindrical second sleeve portion 21131 and a second outwardly flanged portion 21132 that is turned outward from the rear end of the second sleeve portion 21131. The second sleeve portion 21131 is provided with second slots 2113a located on both sides. The second slots 2113a penetrate the second end face 21133 of the second shielding sleeve 2113 along the first direction A1-A1, giving the second shielding sleeve 2113 a certain elastic deformation capability. The second conductive terminal S2 at least partially protrudes from the second shielding sleeve 2113. In the embodiment illustrated in this utility model, both the first shielding sleeve 2112 and the second shielding sleeve 2113 are made of metal material.

[0122] In one embodiment of this utility model, the conductive metal block 2111 is sleeved on the first shielding sleeve 2112 and the second shielding sleeve 2113 to form the first terminal module 211 into a whole. The first outward-facing portion 21122 and the second outward-facing portion 21132 are both in contact with the conductive metal block 2111. In the embodiment illustrated in this utility model, the conductive metal block 2111 has a first through hole 21111 that mates with the first shielding sleeve 2112 and a second through hole 21112 that mates with the second shielding sleeve 2113. By providing the first insulating isolation block 2117, electrical contact between the first shielding sleeve 2112 and the first conductive terminal S1 can be avoided, thereby preventing the risk of a short circuit. By providing the second insulating isolation block 2118, electrical contact between the second shielding sleeve 2113 and the second conductive terminal S2 can be avoided, thereby preventing the risk of a short circuit. Furthermore, the first insulating block 2117, which wraps around the fixing portion 211a of the first conductive terminal S1, can also control the impedance of the fixing portion 211a of the first conductive terminal S1. Similarly, the second insulating block 2118, which wraps around the fixing portion 211a of the second conductive terminal S2, can also control the impedance of the fixing portion 211a of the second conductive terminal S2.

[0123] Please combine Figure 25As shown, each conductive terminal on the first terminal module 211 includes a fixing portion 211a, a contact portion 211b connected to one end of the fixing portion 211a, and a tail portion 211c connected to the other end of the fixing portion 211a. In the embodiment illustrated in this utility model, the conductive terminal is generally straight. The first shielding sleeve 2112 is sleeved on a portion of the fixing portion 211a of the first conductive terminal S1. The second shielding sleeve 2113 is sleeved on a portion of the fixing portion 211a of the second conductive terminal S2. A portion of the contact portion 211b of the first conductive terminal S1 protrudes from the first shielding sleeve 2112. A portion of the contact portion 211b of the second conductive terminal S2 protrudes from the second shielding sleeve 2113.

[0124] In the embodiment illustrated in this utility model, the first conductive terminal S1 and the second conductive terminal S2 on each first terminal module 211 form a pair of differential signal terminals to improve the signal transmission rate. The first conductive terminal S1 and the second conductive terminal S2 on each first terminal module 211 are arranged side-by-side along a third direction A3-A3. Please refer to... Figures 27 to 30 As shown in the illustrated embodiment of this utility model, the conductive housing 215 includes a first conductive housing 215a and a second conductive housing 215b that cooperates with the first conductive housing 215a.

[0125] The first conductive housing 215a includes a first base 215a1, a first intermediate portion 215a2 connected to the first base 215a1, a first covering portion 215a3 connected to the first intermediate portion 215a2, and a first folded portion 215a4 formed by bending back from the front end of the first base 215a1.

[0126] In the embodiment illustrated in this utility model, the first base portion 215a1 is generally U-shaped, comprising a first outer wall portion 215a11, a first lateral wall portion 215a12 bent from one side of the first outer wall portion 215a11, and a second lateral wall portion 215a13 bent from the other side of the first outer wall portion 215a11. The first outer wall portion 215a11 is flat and lies within a first plane (e.g., a horizontal plane) formed by the first direction A1-A1 and the third direction A3-A3. The first lateral wall portion 215a12 and the second lateral wall portion 215a13 are both perpendicular to the first outer wall portion 215a11. The first lateral wall portion 215a12 and the second lateral wall portion 215a13 lie within a second plane (e.g., a vertical plane) formed by the first direction A1-A1 and the second direction A2-A2. In the illustrated embodiment of this utility model, the first lateral wall portion 215a12 is provided with a first positioning recess 215a121 at its front end and a first positioning protrusion 215a122 protruding downward from the middle of the first lateral wall portion 215a12 along the second direction A2-A2. In the illustrated embodiment of this utility model, the second lateral wall portion 215a13 is provided with a second positioning recess 215a131 at its front end and a second positioning notch 215a132 formed by recessing upward from the middle of the second lateral wall portion 215a13 along the second direction A2-A2.

[0127] The first covering portion 215a3 is generally U-shaped, comprising a first base portion 215a31, a first arc-shaped portion 215a32 bent from one side of the first base portion 215a31, and a second arc-shaped portion 215a33 bent from the other side of the first base portion 215a31. The first base portion 215a31 has a first solder-receiving through hole 215a311. The first arc-shaped portion 215a32 has a first solder-receiving notch 215a321. The second arc-shaped portion 215a33 has a second solder-receiving notch 215a331. In the embodiment illustrated in this utility model, the first solder-receiving through hole 215a311 is a circular hole, and the first solder-receiving notch 215a321 and the second solder-receiving notch 215a331 are semi-circular holes.

[0128] The first intermediate portion 215a2 connects the first base portion 215a1 and the first covering portion 215a3 to serve an adjustment function. In one embodiment of this utility model, the first intermediate portion 215a2 is a stretched structure, which can be manufactured by stamping (e.g., stretching) or other processing methods. Of course, those skilled in the art will understand that the manufacturing method of the first intermediate portion 215a2 is not limited to the above methods, and this utility model will not elaborate further on this.

[0129] The first folded portion 215a4 is located outside the first base portion 215a1. In the embodiment illustrated in this utility model, the first folded portion 215a4 has a first raised portion 215a41 protruding upward along the second direction A2-A2. The first folded portion 215a4 is configured to adjust impedance.

[0130] Similarly, the second conductive housing 215b includes a second base 215b1, a second intermediate portion 215b2 connected to the second base 215b1, a second cover portion 215b3 connected to the second intermediate portion 215b2, and a second folded portion 215b4 formed by bending back from the front end of the second base 215b1.

[0131] In the embodiment illustrated in this utility model, the second base portion 215b1 is generally U-shaped, comprising a third outer wall portion 215b11, a third lateral wall portion 215b12 formed by bending from one side of the third outer wall portion 215b11, and a fourth lateral wall portion 215b13 formed by bending from the other side of the third outer wall portion 215b11. The third outer wall portion 215b11 is flat and located within a first plane (e.g., a horizontal plane) formed by the first direction A1-A1 and the third direction A3-A3. The third lateral wall portion 215b12 and the fourth lateral wall portion 215b13 are both perpendicular to the third outer wall portion 215b11. The third lateral wall portion 215b12 and the fourth lateral wall portion 215b13 are located within a second plane (e.g., a vertical plane) formed by the first direction A1-A1 and the second direction A2-A2. In the illustrated embodiment of this utility model, the third lateral wall portion 215b12 is provided with a third positioning recess 215b121 at its front end and a first positioning notch 215b122 formed by recessing downward from the middle of the third lateral wall portion 215b12 along the second direction A2-A2. In the illustrated embodiment of this utility model, the fourth lateral wall portion 215b13 is provided with a fourth positioning recess 215b131 at its front end and a second positioning protrusion 215b132 protruding upward from the middle of the fourth lateral wall portion 215b13 along the second direction A2-A2.

[0132] The second covering portion 215b3 is generally U-shaped, comprising a second base portion 215b31, a third arc-shaped portion 215b32 bent from one side of the second base portion 215b31, and a fourth arc-shaped portion 215b33 bent from the other side of the second base portion 215b31. The second base portion 215b31 has a second solder-receiving through hole 215b311. The third arc-shaped portion 215b32 has a third solder-receiving notch 215b321. The fourth arc-shaped portion 215b33 has a fourth solder-receiving notch 215b331. In the embodiment illustrated in this utility model, the second solder-receiving through hole 215b311 is a round hole, and the third and fourth solder-receiving notches 215b321 and 215b331 are semi-circular holes.

[0133] The second intermediate portion 215b2 connects the second base portion 215b1 and the second cover portion 215b3 to serve an adjustment function. In one embodiment of this utility model, the second intermediate portion 215b2 is a stretched structure, which can be manufactured by stamping (e.g., stretching) or other processing methods. Of course, those skilled in the art will understand that the manufacturing method of the second intermediate portion 215b2 is not limited to the above methods, and this utility model will not elaborate further on this.

[0134] The second folded portion 215b4 is located outside the second base portion 215b1. In the embodiment illustrated in this utility model, the second folded portion 215b4 has a second raised portion 215b41 protruding downward along the second direction A2-A2. The second folded portion 215b4 is configured to adjust impedance.

[0135] In the illustrated embodiment of this utility model, the first cable 213 includes a first conductive wire 2131, a second conductive wire 2132, a first insulating layer 2133 circumferentially wrapped around the first conductive wire 2131, a second insulating layer 2134 circumferentially wrapped around the second conductive wire 2132, a first shielding layer 2135 circumferentially wrapped around the first insulating layer 2133 and the second insulating layer 2134, and a first insulating sheath 2136 circumferentially wrapped around the first shielding layer 2135. In the illustrated embodiment of this utility model, both the first conductive wire 2131 and the second conductive wire 2132 extend beyond the first insulating layer 2133 and the second insulating layer 2134, respectively, and are configured to be electrically connected to the tail portion 211c of the first conductive terminal S1 and the tail portion 211c of the second conductive terminal S2, respectively. The first conductive wire 2131 and the second conductive wire 2132 are configured to directly or indirectly contact the tail portion 211c of the first conductive terminal S1 and the tail portion 211c of the second conductive terminal S2, respectively. In one embodiment of the present invention, the first conductive wire 2131 and the second conductive wire 2132 are configured to be welded and fixed to the tail portion 211c of the first conductive terminal S1 and the tail portion 211c of the second conductive terminal S2, respectively. The first shielding layer 2135 is partially exposed outside the first insulating layer 2136, and the first shielding layer 2135 is sandwiched between the first covering portion 215a3 and the second covering portion 215b3. In one embodiment of the present invention, the first shielding layer 2135 is welded and fixed to both the first covering portion 215a3 and the second covering portion 215b3.

[0136] The first cable 213 further includes a first signal line 2137 connected to the first conductive line 2131 and wrapped by the first insulating layer 2133, and a second signal line 2138 connected to the second conductive line 2132 and wrapped by the second insulating layer 2134.

[0137] In the embodiments illustrated in this utility model, the first conductive housing 215a and the second conductive housing 215b can share parts, thereby saving costs. In one embodiment of this utility model, the first conductive housing 215a and the second conductive housing 215b are manufactured or pre-manufactured using the same mold. In other words, the first conductive housing 215a and the second conductive housing 215b are manufactured using the same mold at a certain stage of their manufacturing process, thereby saving costs. For example, the first conductive housing 215a and the second conductive housing 215b can be directly obtained by manufacturing them using the same mold (without needing additional processing); or, after the first conductive housing 215a and the second conductive housing 215b are manufactured using the same mold, additional processing is performed on the first conductive housing 215a and / or the second conductive housing 215b, such as, but not limited to, drilling, grinding, additional fastening, or setting other parts.

[0138] In the embodiment illustrated in this utility model, the first conductive shell 215a and the second conductive shell 215b are combined together to at least partially surround the first terminal module 211. Specifically, at least one of the first conductive shell 215a and the second conductive shell 215b is in contact with the first shielding layer 2135 of the first cable 213 to increase the grounding shielding area and improve the shielding effect.

[0139] Specifically, the first conductive housing 215a and the second conductive housing 215b are fixed together (e.g., by welding). The first base 215a1 of the first conductive housing 215a corresponds to the second base 215b1 of the second conductive housing 215b, together forming a first space 2151 for accommodating the conductive metal block 2111, a portion of the first insulating isolation block 2117, and a portion of the second insulating isolation block 2118; the first middle portion 215a2 of the first conductive housing 215a corresponds to the second middle portion 215b2 of the second conductive housing 215b, together forming a second space 2152 for accommodating the first conductive wire 2131, the tail portion 211c of the first conductive terminal S1, the second conductive wire 2132, and the tail portion 211c of the second conductive terminal S2; the first covering portion 215a3 of the first conductive housing 215a corresponds to the second covering portion 215b3 of the second conductive housing 215b, together forming a third space 2153 for accommodating the first shielding layer 2135 of the first cable 213.

[0140] The first space 2151 is rectangular, meaning its projection onto the plane formed by the second direction A2-A2 and the third direction A3-A3 is rectangular. The second space 2152 is a transitional irregular space. The third space 2153 is elliptical, meaning its projection onto the plane formed by the second direction A2-A2 and the third direction A3-A3 is elliptical, and the major axis of the ellipse extends along the third direction A3-A3.

[0141] The tail 211c of the first conductive wire 2131 and the first conductive terminal S1, as well as the tail 211c of the second conductive wire 2132 and the second conductive terminal S2, are both exposed in the second space 2152. The second space 2152 is not filled with insulating material, so that the connection part of the first conductive wire 2131 and the tail 211c of the first conductive terminal S1, and the connection part of the second conductive wire 2132 and the tail 211c of the second conductive terminal S2 are both exposed to the air, so as to use the air as the medium for impedance adjustment and improve the impedance adjustment effect.

[0142] The first lateral wall portion 215a12 corresponds to the third lateral wall portion 215b12. The first positioning recess 215a121 and the third positioning recess 215b121 are connected to form a first mounting recess 2154 located on one side of the conductive housing 215. The first positioning protrusion 215a122 extends into the first positioning notch 215b122.

[0143] The second lateral wall portion 215a13 corresponds to the fourth lateral wall portion 215b13. The second positioning recess 215a131 communicates with the fourth positioning recess 215b131 to jointly form a second mounting recess 2155 located on the other side of the conductive housing 215. The second positioning protrusion 215b132 extends into the second positioning notch 215a132. The first mounting recess 2154 and the second mounting recess 2155 are used to mount and hold the conductive metal block 2111 to position the conductive metal block 2111.

[0144] The first arc-shaped portion 215a32 corresponds to the third arc-shaped portion 215b32. The first tin-receiving notch 215a321 and the third tin-receiving notch 215b321 are connected to form a first lateral tin-receiving hole 2156 located on one side of the conductive housing 215. In the embodiment illustrated in this utility model, the first lateral tin-receiving hole 2156 is generally circular.

[0145] The second arc-shaped portion 215a33 corresponds to the fourth arc-shaped portion 215b33, and the second tin-receiving notch 215a331 is connected to the fourth tin-receiving notch 215b331 to jointly form a second lateral tin-receiving hole 2157 located on the other side of the conductive housing 215. In the embodiment illustrated in this utility model, the second lateral tin-receiving hole 2157 is generally circular.

[0146] In the embodiment illustrated in this utility model, the first solder-retaining through-hole 215a311 and the second solder-retaining through-hole 215b311 are respectively located on both sides (e.g., the upper and lower sides) of the first shielding layer 2135 of the first cable 213 along the second direction A2-A2, and the first lateral solder-retaining hole 2156 and the second lateral solder-retaining hole 2157 are respectively located on both sides (e.g., the left and right sides) of the first shielding layer 2135 of the first cable 213 along the third direction A3-A3. The first solder-retaining through-hole 215a311 and the second solder-retaining through-hole 215b311 are arranged in a staggered manner with the first lateral solder-retaining hole 2156 and the second lateral solder-retaining hole 2157 along the first direction A1-A1.

[0147] In one embodiment of this utility model, at least one of the first solder-receiving through-hole 215a311, the second solder-receiving through-hole 215b311, the first lateral solder-receiving hole 2156, and the second lateral solder-receiving hole 2157 is used to fill solder (e.g., solder) to connect the conductive shell 215 to the first shielding layer 2135 of the first cable 213, thereby increasing the holding force and improving the shielding effect. Preferably, the first solder-receiving through-hole 215a311, the second solder-receiving through-hole 215b311, the first lateral solder-receiving hole 2156, and the second lateral solder-receiving hole 2157 are all filled with solder (e.g., solder) to connect the conductive shell 215 to the first shielding layer 2135 of the first cable 213.

[0148] Please combine Figure 31 as well as Figure 32As shown in the illustrated embodiment of this utility model, the first shielding sleeve 214 includes a first shielding shell 214a and a second shielding shell 214b, which are fixed together (e.g., by welding). The first shielding shell 214a includes a first end 214a1 and a first extension 214a2 connected to the first end 214a1. The second shielding shell 214b includes a second end 214b1 and a second extension 214b2 connected to the second end 214b1. The first end 214a1 and the second end 214b1 cooperate with each other to form a quadrilateral sleeve portion 2144. The first extension 214a2 and the second extension 214b2 cooperate with each other to form a polygonal cylindrical portion 2143 with a number of sides greater than or equal to 6. In some embodiments of this utility model, the polygon is an even-numbered polygon, where the even number is greater than or equal to 6. In the embodiment illustrated in this utility model, the even number is 8, that is, the cylindrical portion 2143 is octagonal. Correspondingly, the cylindrical portion 2143 is provided with a hollow octagonal first cavity 2141. In the embodiment illustrated in this utility model, the octagonal cylindrical portion 2143 is a regular octagonal cylindrical portion 2143. The octagonal first cavity 2141 is a regular octagonal cavity. The sleeve portion 2144 includes a first outer surface 21441 (e.g., upper surface), a second outer surface 21442 (e.g., lower surface) opposite to the first outer surface 21441, a third outer surface 21443 (e.g., left surface), and a fourth outer surface 21444 opposite to the third outer surface 21443. The sleeve portion 2144 is formed by the first outer surface 21441, the third outer surface 21443, the second outer surface 21442, and the fourth outer surface 21444 in sequence. The first outer surface 21441 and the second outer surface 21442 are located in a horizontal plane, and the second outer surface 21442 and the fourth outer surface 21444 are located in a vertical plane.

[0149] The cylindrical portion 2143 includes a first outer wall 21431 (e.g., upper wall), a second outer wall 21432 (e.g., lower wall) opposite to the first outer wall 21431, a third outer wall 21433 (e.g., left side wall), a fourth outer wall 21434 (e.g., right side wall) opposite to the third outer wall 21433, a first inclined wall 21435 (e.g., upper left inclined wall) connecting the first outer wall 21431 and the third outer wall 21433, a second inclined wall 21436 (e.g., lower left inclined wall) connecting the third outer wall 21433 and the second outer wall 21432, a third inclined wall 21437 (e.g., lower right inclined wall) connecting the second outer wall 21432 and the fourth outer wall 21434, and a fourth inclined wall 21438 (e.g., upper right inclined wall) connecting the fourth outer wall 21434 and the first outer wall 21431. The cylindrical portion 2143 is formed by the first outer wall 21431, the first inclined wall 21435, the third outer wall 21433, the second inclined wall 21436, the second outer wall 21432, the third inclined wall 21437, the fourth outer wall 21434, and the fourth inclined wall 21438 in sequence.

[0150] In the embodiment illustrated in this utility model, the first outer wall 21431 is coplanar with the first outer surface 21441, the second outer wall 21432 is coplanar with the second outer surface 21442, the third outer wall 21433 is coplanar with the third outer surface 21443, and the fourth outer wall 21434 is coplanar with the fourth outer surface 21444. The first outer wall 21431 has a first protrusion 214311 protruding towards the second outer wall 21432, and the second outer wall 21432 has a second protrusion 214321 protruding towards the first outer wall 21431. The first protrusion 214311 is configured to contact the first raised portion 215a41, and the second protrusion 214321 is configured to contact the second raised portion 215b41 to improve the shielding effect.

[0151] Specifically, in the embodiment illustrated in this utility model, the conductive housing 215 is at least partially inserted into the first shielding sleeve 214. The conductive housing 215 is fixed to the first shielding sleeve 214 (e.g., by welding). The first shielding sleeve 214 is provided with at least one welding groove 21439, which is used to fill solder (e.g., solder) to fix the conductive housing 215 to the first shielding sleeve 214.

[0152] In addition, please combine Figure 31 as well as Figure 32As shown in the illustrated embodiment of this utility model, the first shielding shell 214a and the second shielding shell 214b are further provided with at least one recess 214a3 and at least one protrusion 214b3 that cooperate with each other. The shapes of the recess 214a3 and the protrusion 214b3 are adapted to each other, and the protrusion 214b3 is received in the recess 214a3 to realize the positioning of the first shielding shell 214a and the second shielding shell 214b.

[0153] Specifically, in one embodiment of this utility model, the notch 214a3 is provided on the first shielding shell 214a, and the protrusion 214b3 is provided on the second shielding shell 214b. Of course, those skilled in the art will understand that the notch 214a3 and the protrusion 214b3 can also be interchanged, i.e., the notch 214a3 is provided on the second shielding shell 214b, and the protrusion 214b3 is provided on the first shielding shell 214a. In the embodiment illustrated in this utility model, the number of notches 214a3 is multiple (e.g., four), and the number of protrusions 214b3 is multiple (e.g., four). A portion of the notches 214a3 and a portion of the protrusions 214b3 are provided on the first shielding shell 214a, and another portion of the notches 214a3 and another portion of the protrusions 214b3 are provided on the second shielding shell 214b. Preferably, in the embodiment illustrated in this utility model, the first shielding shell 214a and the second shielding shell 214b can share parts, that is, the first shielding shell 214a and the second shielding shell 214b are the same part with different installation angles, thereby saving costs. In one embodiment of this utility model, the first shielding shell 214a and the second shielding shell 214b are manufactured or pre-manufactured using the same mold. In other words, the first shielding shell 214a and the second shielding shell 214b are manufactured using the same mold at a certain stage of their manufacturing process, thereby saving costs. For example, the first shielding shell 214a and the second shielding shell 214b are directly obtained by manufacturing using the same mold (without further processing); or, after the first shielding shell 214a and the second shielding shell 214b are manufactured using the same mold, the first shielding shell 214a and / or the second shielding shell 214b are subjected to additional processing, such as, but not limited to, drilling, grinding, additional fastening, or setting other parts.

[0154] Specifically, in the embodiment illustrated in this utility model, the recess 214a3 includes a plurality of first recesses 214a31 and a plurality of second recesses 214a32. The protrusion 214b3 includes a plurality of first protrusions 214b31 and a plurality of second protrusions 214b32. The shapes of the first recesses 214a31 and the first protrusions 214b31 are adapted to each other, and the first protrusions 214b31 are received in the first recesses 214a31 to achieve the positioning of the first shielding shell 214a and the second shielding shell 214b. Similarly, the shapes of the second recesses 214a32 and the second protrusions 214b32 are adapted to each other, and the second protrusions 214b32 are received in the second recesses 214a32 to achieve the positioning of the first shielding shell 214a and the second shielding shell 214b.

[0155] The first shielding housing 214a has a first extension wall 21433a connected to the first inclined wall 21435 and a third extension wall 21434a connected to the fourth inclined wall 21438. The second shielding housing 214b has a second extension wall 21433b connected to the second inclined wall 21436 and a fourth extension wall 21434b connected to the third inclined wall 21437. The first extension wall 21433a corresponds to the second extension wall 21433b, and the third extension wall 21434a corresponds to the fourth extension wall 21434b.

[0156] The first notch 214a31 consists of two spaced-apart notches, and is located on the first extension wall 21433a. The second notch 214a32 consists of two spaced-apart notches, and is located on the fourth extension wall 21434b.

[0157] The first protrusion 214b31 consists of two spaced-apart portions and is disposed on the second extension wall 21433b. The second protrusion 214b32 consists of two spaced-apart portions and is disposed on the third extension wall 21434a.

[0158] In the embodiment illustrated in this utility model, the first extension wall 21433a and the second extension wall 21433b are located in the same plane, and together they form the third outer wall 21433. The third extension wall 21434a and the fourth extension wall 21434b are located in the same plane, and together they form the fourth outer wall 21434.

[0159] In the embodiment illustrated in this utility model, the contact portion 211b of the first conductive terminal S1 and the contact portion 211b of the second conductive terminal S2 are arranged opposite two sides of the regular octagonal cylindrical portion 2143. Specifically, the contact portions 211b of the first conductive terminal S1 and the contact portions 211b of the second conductive terminal S2 are arranged relative to the third outer wall 21433 and the fourth outer wall 21434 of the regular octagonal cylindrical portion 2143. The contact portions 211b of the first conductive terminal S1 and the contact portions 211b of the second conductive terminal S2 are located between the third outer wall 21433 and the fourth outer wall 21434. Both the contact portions 211b of the first conductive terminal S1 and the contact portions 211b of the second conductive terminal S2 are horizontal and arranged left and right. Please refer to... Figures 33 to 52 As shown, the second connector 200 includes a second housing 5, a plurality of plug-in modules 6 mounted on the second housing 5, and a third positioning pin 7 and a fourth positioning pin 8 for positioning the plug-in modules 6 in the second housing 5.

[0160] Please refer to Figure 37 as well as Figure 38As shown, the second housing 5 is made of insulating material and includes a second body portion 51, a third wall portion 52 extending rearward from one end (e.g., the upper end) of the second body portion 51, and a fourth wall portion 53 extending rearward from the other opposite end (e.g., the lower end) of the second body portion 51. The second body portion 51 is provided with a second mating surface 511 and a plurality of second terminal receiving slots 512 penetrating the second mating surface 511. In the embodiment illustrated in this utility model, the second terminal receiving slots 512 are generally arranged in a matrix. Each second terminal receiving slot 512 is polygonal and has more than or equal to 6 sides. In some embodiments of this utility model, the polygon is an even-numbered polygon with an even number of sides greater than or equal to 6. In the embodiment illustrated in this utility model, the even number is equal to 8, that is, the second terminal receiving slot 512 is octagonal. In the embodiment illustrated in this utility model, each second terminal receiving slot 512 is a regular octagon. The third wall portion 52 is provided with a plurality of third mounting slots 521 and a third slot 522 communicating with the third mounting slots 521. The fourth wall portion 53 is provided with a plurality of fourth mounting slots 531 and a fourth slot 532 communicating with the fourth mounting slots 531. The third mounting slot 521 and the fourth mounting slot 531 extend along the first direction A1-A1. The third mounting slot 521 and the fourth mounting slot 531, which are aligned with each other along the second direction A2-A2, are used to accommodate the corresponding plug-in module 6. The third slot 522 and the fourth slot 532 extend in the vertical direction, wherein the third slot 522 penetrates the third wall portion 52 vertically to communicate with the corresponding third mounting slot 521; the fourth slot 532 penetrates the fourth wall portion 53 vertically to communicate with the corresponding fourth mounting slot 531. In addition, the second housing 5 also includes a frame portion 50 connected to the second body portion 51. The frame portion 50 is provided with a receiving space 501 communicating with the second terminal receiving slot 512 and a positioning groove 502 located on the inner wall surface of the frame portion 50 and exposed in the receiving space 501. The positioning groove 502 is configured to cooperate with the positioning protrusion 17.

[0161] In one embodiment of this utility model, both the third positioning pin 7 and the fourth positioning pin 8 are stamped from metal sheets. In one embodiment, the plurality of third positioning pins 7 can be individually set and installed in their respective third slots 522; the plurality of fourth positioning pins 8 can be individually set and installed in their respective fourth slots 532. In other embodiments, the plurality of third positioning pins 7 can also be connected into a whole by a third strip (not shown), and the plurality of fourth positioning pins 8 can also be connected into a whole by a fourth strip (not shown); during assembly, the third positioning pins 7 and the fourth positioning pins 8 are respectively installed as a whole in their respective third slots 522 and fourth slots 532 to improve installation efficiency; after assembly, the third strip and the fourth strip can be removed or retained as needed.

[0162] Please combine Figures 43 to 52 As shown, each plug-in module 6 includes a second insulating plate 61 and a plurality of second terminal assemblies 62 fixed to the second insulating plate 61. In the embodiment illustrated in this utility model, each second terminal assembly 62 is identical, and only one second terminal assembly 62 will be described below as an example.

[0163] The second insulating plate 61 is installed in the second housing 5. The second insulating plate 61 includes a third mounting protrusion 611 installed in the third mounting slot 521 and a fourth mounting protrusion 612 installed in the fourth mounting slot 531. In the embodiment illustrated in this utility model, both the third mounting protrusion 611 and the fourth mounting protrusion 612 are T-shaped to improve installation reliability. The third mounting protrusion 611 is provided with a third positioning groove 6111, and the fourth mounting protrusion 612 is provided with a fourth positioning groove 6121. The third positioning groove 6111 is configured to cooperate with the third positioning pin 7, and the fourth positioning groove 6121 is configured to cooperate with the fourth positioning pin 8, so as to retain the plug-in module 6 in the second housing 5 by means of the third positioning pin 7 and the fourth positioning pin 8, preventing the plug-in module 6 from detaching from the second housing 5.

[0164] The second terminal assembly 62 includes a plurality of second terminal modules 621, a second shielding sleeve 622 at least partially surrounding the second terminal modules 621, a second cable 623 electrically connected to the second terminal modules 621, and a conductive element 624 mounted on the front end of the second shielding sleeve 622.

[0165] Each second terminal module 621 includes a first mating terminal 621a, a second mating terminal 621b, and an insulating block 621c fixed to the first mating terminal 621a and the second mating terminal 621b. In one embodiment of the present invention, the first mating terminal 621a and the second mating terminal 621b form a differential signal pair to improve the signal transmission rate.

[0166] Please combine Figures 47 to 52 As shown in the illustrated embodiment of this utility model, the first mating terminal 621a includes a first retaining portion 621a1, a first mating portion 621a2, a first twisting portion 621a3, and a first connecting portion 621a4. In the illustrated embodiment of this utility model, the first mating portion 621a2, the first retaining portion 621a1, the first twisting portion 621a3, and the first connecting portion 621a4 are sequentially arranged along a first direction A1-A1. Specifically, the first mating portion 621a2 extends from one end of the first retaining portion 621a1, the first twisting portion 621a3 extends from the other end of the first retaining portion 621a1, and the first connecting portion 621a4 is connected to the first twisting portion 621a3. Of course, those skilled in the art will understand that in other embodiments of this utility model, other parts may be provided between any two of the first docking part 621a2, the first holding part 621a1, the first twisting part 621a3, and the first connecting part 621a4. For example, a second twisting part may be provided between the first docking part 621a2 and the first holding part 621a1. This utility model will not elaborate further on this.

[0167] Please combine Figures 45 to 52As shown in the illustrated embodiment of this utility model, the first retaining portion 621a1 is generally U-shaped and is retained in the insulating block 621c. The first mating portion 621a2 has a first flared opening 621a21 at its end and a first accommodating space 621a22 communicating with the first flared opening 621a21. The first flared opening 621a21 is configured to guide the contact portion 211b of the first conductive terminal S1 into the first accommodating space 621a22. The first mating portion 621a2 is located in the insulating block 621c along the first direction A1-A1. The first retaining portion 621a1 and the first mating portion 621a2 are extended and connected without any included angle. The first twisting portion 621a3 causes the first connecting portion 621a4 to be inclined at a first angle θ1 relative to the first retaining portion 621a1 and the first mating portion 621a2. The first angle θ1 is greater than 0° and less than 90°. Furthermore, in one embodiment of this invention, since the third conductive wire 6231 and the first connecting portion 621a4 extend and are connected without any included angle, the magnitude of the first angle θ1 is equivalent to the first included angle α1. In one embodiment of this invention, the first angle θ1 is 45°. In one embodiment illustrated in this invention, the first twisting portion 621a3 is also U-shaped before twisting, and there is no structural design change compared to the first retaining portion 621a1. The U-shape of the first retaining portion 621a1 or the first twisting portion 621a3 increases the cross-sectional area compared to the overall elongated terminal, thereby adjusting the impedance.

[0168] Similarly, the second mating terminal 621b includes a second holding portion 621b1, a second mating portion 621b2 extending from one end of the second holding portion 621b1, a second twisting portion 621b3 extending from the other end of the second holding portion 621b1, and a second connecting portion 621b4 connected to the second twisting portion 621b3. In the embodiment illustrated in this utility model, the second holding portion 621b1 is generally U-shaped and is held in the insulating block 621c. The second mating portion 621b2 has a second flared opening 621b21 at its end and a second receiving space 621b22 communicating with the second flared opening 621b21. The second flared opening 621b21 is configured to guide the contact portion 211b of the second conductive terminal S2 into the second receiving space 621b22. The second mating portion 621b2 is located in the insulating block 621c along the first direction A1-A1. The second holding portion 621b1 and the second docking portion 621b2 are extended and connected without any included angle. The second twisting portion 621b3 causes the second connecting portion 621b4 to be arranged at a second angle θ2 relative to the second holding portion 621b1 and the second docking portion 621b2. The second angle θ2 is greater than 0° and less than 90°. Furthermore, in one embodiment of this invention, since the fourth conductive wire 6232 and the second connecting portion 621b4 are extended and connected without any included angle, the size of the second angle θ2 is equivalent to the first included angle α1. In one embodiment of this invention, the second angle θ2 is 45°. In one embodiment illustrated in this invention, the second twisting portion 621b3 is also U-shaped before twisting and does not undergo any structural design changes compared to the second holding portion 621b1.

[0169] Please combine Figure 49 as well as Figure 50As shown in the illustrated embodiment of this utility model, the corresponding partial structures of the first docking terminal 621a and the second docking terminal 621b are symmetrical or identical to improve their coupling effect. Specifically, in the illustrated embodiment of this utility model, the first docking portion 621a2 of the first docking terminal 621a is the same as the second docking portion 621b2 of the second docking terminal 621b; the first retaining portion 621a1 of the first docking terminal 621a is symmetrically arranged with the second retaining portion 621b1 of the second docking terminal 621b; the first torsion portion 621a3 of the first docking terminal 621a is symmetrically arranged with the second torsion portion 621b3 of the second docking terminal 621b; and the first connecting portion 621a4 of the first docking terminal 621a is symmetrically arranged with the second connecting portion 621b4 of the second docking terminal 621b. In one embodiment of this utility model, after the first torsion portion 621a3 and the second torsion portion 621b3 are torn, the first connecting portion 621a4 and the second connecting portion 621b4 are arranged facing each other, that is, the U-shaped opening of the first connecting portion 621a4 and the U-shaped opening of the second connecting portion 621b4 are arranged face to face. Of course, in another embodiment illustrated in this utility model, the first connecting portion 621a4 and the second connecting portion 621b4 are arranged back to back, that is, the U-shaped opening of the first connecting portion 621a4 and the U-shaped opening of the second connecting portion 621b4 are arranged opposite to each other.

[0170] In the various embodiments illustrated in this utility model, both the first connecting portion 621a4 and the second connecting portion 621b4 are generally U-shaped and arranged face-to-face. In other words, the U-shaped opening of the first connecting portion 621a4 and the U-shaped opening of the second connecting portion 621b4 are arranged opposite each other. Specifically, the first connecting portion 621a4 includes a generally U-shaped first transition portion 621a41 and a generally U-shaped first rear end portion 621a42 connected to the first transition portion 621a41. The first transition portion 621a41 is provided with a first outer side wall 621a411 and a first folded portion 621a412 formed by bending from the upper and lower edges of the first outer side wall 621a411. The first rear end portion 621a42 is provided with a second outer side wall 621a421 and a second folded portion 621a422 formed by bending from the upper and lower edges of the second outer side wall 621a421. The second connecting portion 621b4 includes a generally U-shaped second transition portion 621b41 and a generally U-shaped second rear end portion 621b42 connected to the second transition portion 621b41. The second transition portion 621b41 has a third outer side wall 621b411 and a third folded portion 621b412 formed by bending the upper and lower edges of the third outer side wall 621b411. The second rear end portion 621b42 has a fourth outer side wall 621b421 and a fourth folded portion 621b422 formed by bending the upper and lower edges of the fourth outer side wall 621b421. The first rear end portion 621a42 is closer to the second cable 623 than the first transition portion 621a41. In other words, the first rear end portion 621a42 is farther away from the first mating portion 621a2 than the first transition portion 621a41. The second rear end portion 621b42 is closer to the second cable 623 than the second transition portion 621b41. In other words, the second rear end portion 621b42 is farther away from the second mating portion 621b2 than the second transition portion 621b41. In the embodiment illustrated in this utility model, the first folded portion 621a412 and the third folded portion 621b412 extend face-to-face, forming a first gap between them. The second folded portion 621a422 and the fourth folded portion 621b422 extend face-to-face, forming a second gap between them. The first gap is larger than the second gap to control impedance.

[0171] In addition, in various embodiments illustrated in this utility model, both the first mating terminal 621a and the second mating terminal 621b are made of thinner metal material to facilitate impedance adjustment.

[0172] In the embodiment illustrated in this utility model, the insulating block 621c includes a first insulating block 621c1 and a second insulating block 621c2 that cooperates with the first insulating block 621c1. The first insulating block 621c1 and the second insulating block 621c2 are separately disposed and assembled and fixed together to fix the first mating terminal 621a and the second mating terminal 621b. The first connecting portion 621a4 and the second connecting portion 621b4 both protrude rearward from the insulating block 621c along the first direction A1-A1.

[0173] In the embodiment illustrated in this utility model, the second shielding sleeve 622 is disposed around the periphery of the second terminal module 621 to improve the shielding effect. The second shielding sleeve 622 includes a first shielding shell 622a and a second shielding shell 622b, which are fixed together (e.g., by welding). The first shielding shell 622a includes a first mounting end 622a1 and a first extension 622a2 connected to the first mounting end 622a1. The second shielding shell 622b includes a second mounting end 622b1 and a second extension 622b2 connected to the second mounting end 622b1. The first mounting end 622a1 and the second mounting end 622b1 cooperate to form an elliptical covering portion 622c. The first mounting end 622a1 is provided with a first welding through hole 622a11, and the second mounting end 622b1 is provided with a second welding through hole 622b11. The first welding through hole 622a11 and the second welding through hole 622b11 respectively correspond to the second shielding layer 6235 of the second cable 623. In one embodiment of the present invention, the first welding through hole 622a11 and the second welding through hole 622b11 are used to fill solder to connect the first mounting end 622a1 and the second mounting end 622b1 to the second shielding layer 6235 of the second cable 623, thereby increasing the holding force and improving the shielding effect. The first extension 622a2 and the second extension 622b2 cooperate to form a polygonal cylindrical part 622d with a number of sides greater than or equal to 6. In some embodiments of the present invention, the polygon is an even-numbered polygon with an even number of sides greater than or equal to 6. In the embodiment illustrated in the present invention, the even number is equal to 8, that is, the cylindrical part 622d is octagonal. Correspondingly, the cylindrical portion 622d is provided with a hollow octagonal second cavity 6220. In the embodiment illustrated in this utility model, the octagonal second cavity 6220 is a regular octagonal cavity. The first extension portion 622a2 is provided with a first mounting notch 622a21 extending forward along the first direction A1-A1 through the first extension portion 622a2. The second extension portion 622b2 is provided with a second mounting notch 622b21 extending forward along the first direction A1-A1 through the second extension portion 622b2. Please refer to... Figure 39 As shown in the illustrated embodiment of this utility model, the portions of the first mating terminal 621a and the second mating terminal 621b located in the second cavity 6220 are aligned along the thickness direction VV of the insertion module 6. The thickness direction VV is the same as the third direction A3-A3.

[0174] In one embodiment of this utility model, the conductive element 624 is a metal block or an electroplated plastic block. The conductive element 624 is at least partially inserted into the second cavity 6220. The conductive element 624 includes a head 6241, an insertion portion 6242 connected to the head 6241, and a first insertion hole 6243 and a second insertion hole 6244 penetrating the head 6241 and the insertion portion 6242 along the first direction A1-A1. The insertion portion 6242 has a first mounting protrusion 62421 and a second mounting protrusion 62422 on both sides. The insertion portion 6242 is at least partially inserted into the second cavity 6220, and the first mounting protrusion 62421 and the second mounting protrusion 62422 are respectively inserted into the first mounting notch 622a21 and the second mounting notch 622b21 to achieve positioning and limiting. Furthermore, the insertion portion 6242 is provided with at least one snap-fit ​​protrusion 62423, and the second shielding sleeve 622 is provided with a snap-fit ​​opening 6221 that engages with the snap-fit ​​protrusion 62423. The head 6241 protrudes from the second shielding sleeve 622. The first insertion hole 6243 communicates with the first accommodating space 621a22 for the insertion of the contact portion 211b of the first conductive terminal S1. The second insertion hole 6244 communicates with the second accommodating space 621b22 for the insertion of the contact portion 211b of the second conductive terminal S2. In the embodiment illustrated in this utility model, the head 6241 is octagonal and matches the shape of the second shielding sleeve 622. The cross-sectional area of ​​the first insertion hole 6243 and the cross-sectional area of ​​the second insertion hole 6244 are both smaller than the cross-sectional area of ​​the second cavity 6220 of the cylindrical portion 622d.

[0175] The second cable 623 includes a third conductive wire 6231, a fourth conductive wire 6232, a third insulating layer 6233 circumferentially wrapped around the third conductive wire 6231, a fourth insulating layer 6234 circumferentially wrapped around the fourth conductive wire 6232, a second shielding layer 6235 circumferentially wrapped around the third insulating layer 6233 and the fourth insulating layer 6234, and a second insulating sheath 6236 circumferentially wrapped around the second shielding layer 6235. In the embodiment illustrated in this utility model, the third conductive wire 6231 and the fourth conductive wire 6232 each extend beyond the third insulating layer 6233 and the fourth insulating layer 6234, respectively, and are configured to be electrically connected to the first connecting portion 621a4 and the second connecting portion 621b4, respectively. The third conductive wire 6231 and the fourth conductive wire 6232 are configured to directly or indirectly contact the first connecting portion 621a4 and the second connecting portion 621b4, respectively. In one embodiment of this utility model, the third conductive wire 6231 and the fourth conductive wire 6232 are configured to be welded and fixed to the first connecting portion 621a4 and the second connecting portion 621b4, respectively. The second shielding layer 6235 is partially exposed outside the second insulating layer 6236, and is sandwiched between the first mounting end 622a1 and the second mounting end 622b1. In one embodiment of this utility model, the second shielding layer 6235 is welded and fixed to both the first mounting end 622a1 and the second mounting end 622b1.

[0176] The second cable 623 further includes a third signal line 6237 connected to the third conductive line 6231 and wrapped by the third insulating layer 6233, and a fourth signal line 6238 connected to the fourth conductive line 6232 and wrapped by the fourth insulating layer 6234. The arrangement direction UU of the third signal line 6237 and the fourth signal line 6238 forms a first angle α1 with the thickness direction VV of the plug-in module 6, where 0° < α1 < 90°. Preferably, the first angle α1 is 45°. The arrangement direction UU connects the center point of the third signal line 6237 and the center point of the fourth signal line 6238. Those skilled in the art will understand that in the embodiment illustrated in this utility model, the first mating terminal 621a and the second mating terminal 621b are arranged horizontally, and by providing the first twisting part 621a3 and the second twisting part 621b3, the third signal line 6237 and the fourth signal line 6238 are arranged at an angle. With this configuration, while keeping the width of the plug-in module 6 unchanged along the third direction A3-A3, by arranging the third signal line 6237 and the fourth signal line 6238 at an angle, this invention can accommodate a second cable 623 with a larger wire diameter, thereby reducing the loss of the signal terminals and improving the quality of signal transmission.

[0177] Please combine Figure 40 As shown in the illustrated embodiment of this utility model, the second insulating skin 6236 is generally elliptical in shape to mate with the covering portion 622c. The ellipse is inclined relative to the thickness direction VV of the plug-in module 6. That is, the line connecting the two foci of the ellipse also forms a first angle α1 with the thickness direction VV of the plug-in module 6, where 0° < α1 < 90°. Preferably, the first angle α1 is 45°.

[0178] Please combine Figure 40As shown in the illustrated embodiment of this utility model, the second cable 623 is arranged at an angle greater than 0° and less than 90°. In one embodiment of this utility model, since the third conductive line 6231 and the first connecting part 621a4 extend and are connected without any included angle, the angle of inclination of the second cable 623 is equivalent to the first included angle α1. In one embodiment of this utility model, the angle of inclination is 45°. This is beneficial for improving the overall arrangement of the second connector 200 and reducing the width occupied by each plug-in module 6. Those skilled in the art will understand that in the illustrated embodiment of this utility model, when the angle of inclination of the second cable 623 is 45°, and in order to keep the first mating terminal 621a and the second mating terminal 621b horizontally arranged, the octagonal design concept of this utility model can be obtained by calculating 360 / 45 = 8. Of course, other polygons with more than or equal to 6 sides are also feasible implementations. Preferably, the number of sides is even, and the even number is greater than or equal to 6. This setting can maintain the symmetry of the mating frame as much as possible.

[0179] In the embodiment illustrated in this utility model, the second insulating plate 61 is formed on the second terminal assembly 62. Specifically, the second insulating plate 61 is formed on the first mounting end 622a1 and the second mounting end 622b1. The second cable 623 extends rearward from the second insulating plate 61 along the first direction A1-A1.

[0180] When assembling the second connector 200, the plurality of plug-in modules 6 are first installed on the second housing 5 along the first direction A1-A1. The second shielding sleeve 622 and the conductive element 624 of the plug-in module 6 pass through the corresponding second terminal receiving groove 512 and protrude into the receiving space 501. Then, the third positioning pin 7 and the fourth positioning pin 8 are installed and fixed to the second housing 5 along the second direction A2-A2. At this time, the third positioning pin 7 and the fourth positioning pin 8 are respectively inserted into the third positioning groove 6111 and the fourth positioning groove 6121 along the second direction A2-A2 to prevent the plug-in module 6 from detaching from the second housing 5.

[0181] When the first connector 100 mates with the second connector 200, the first housing 1 of the first connector 100 is at least partially housed in the receiving space 501 of the second connector 200; the second shielding sleeve 622 and the conductive element 624 of the second connector 200 are inserted into the first terminal receiving groove 112; the octagonal second shielding sleeve 622 matches the octagonal first terminal receiving groove 112; as the mating deepens, the second shielding sleeve 622 and the conductive element 624 of the second connector 200 are both inserted into the shielding space 2140 of the first shielding sleeve 214; the contact portion 211b of the first conductive terminal S1 and the contact portion 211b of the second conductive terminal S2 pass through the first insertion hole 6243 and the second insertion hole 6244 respectively, so as to be inserted into the first receiving space 621a22 of the first mating terminal 621a and the second receiving space 621b22 of the second mating terminal 621b respectively. When the first connector 100 and the second connector 200 are fully mated, the first shielding sleeve 2112 and the second shielding sleeve 2113 are at least partially inserted into the first insertion hole 6243 and the second insertion hole 6244, respectively, and are in contact with the conductive element 624 to provide grounding and shielding. The first slot 2112a and the second slot 2113a respectively provided on the first shielding sleeve 2112 and the second shielding sleeve 2113 allow for a certain degree of elastic deformation when they are at least partially inserted into the first insertion hole 6243 and the second insertion hole 6244. Of course, those skilled in the art will understand that the conductive element 624 can be separately disposed and assembled with the second shielding sleeve 622, or the conductive element 624 and the second shielding sleeve 622 can be integrally formed.

[0182] The above embodiments are only used to illustrate the present utility model and are not intended to limit the technical solutions described in the present utility model. The understanding of the present utility model should be based on those skilled in the art. Although the present utility model has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still make modifications or equivalent substitutions to the present utility model. All technical solutions and improvements that do not depart from the spirit and scope of the present utility model should be covered within the scope of the claims of the present utility model.

Claims

1. A first connector characterized by comprising: include: First shell; as well as A first terminal assembly, wherein the first terminal assembly is at least partially disposed in the first housing; The first terminal assembly includes a first terminal module, a conductive housing at least partially disposed around the periphery of the first terminal module, and a first cable electrically connected to the first terminal module; the first terminal module includes a first conductive terminal and a second conductive terminal, both of which include a contact portion and a tail portion; The first cable includes a first conductive wire and a second conductive wire. The first conductive wire is electrically connected to the tail of the first conductive terminal, and the second conductive wire is electrically connected to the tail of the second conductive terminal. The first conductive wire and the second conductive wire are arranged at intervals along a third direction. The conductive housing includes a first conductive housing and a second conductive housing. The first conductive housing and the second conductive housing are separately disposed and cooperate with each other along a second direction, which is perpendicular to the third direction. The first conductive housing and the second conductive housing are provided with at least one positioning protrusion and at least one positioning notch that cooperate with each other. The positioning protrusion is received in the positioning notch.

2. The first connector of claim 1, wherein: The first conductive housing includes a first base, a first cover, and a first intermediate portion located between the first base and the first cover; the second conductive housing includes a second base, a second cover, and a second intermediate portion located between the second base and the second cover. The first base and the second base together form a first space; The first intermediate portion and the second intermediate portion together form a second space; the first covering portion and the second covering portion together form a third space; The first terminal module is at least partially located in the first space; The connection portion between the first conductive wire and the tail of the first conductive terminal, and the connection portion between the second conductive wire and the tail of the second conductive terminal, are both located in at least a portion of the second space. The first cable is at least partially located in the third space.

3. The first connector of claim 2, wherein: The connection points of the first conductive wire and the tail of the first conductive terminal, as well as the connection points of the second conductive wire and the tail of the second conductive terminal, are both exposed in the second space and are in contact with air.

4. The first connector of claim 2, wherein: Both the first conductive shell and the second conductive shell extend along the first direction; The first direction, the second direction, and the third direction are all perpendicular to each other.

5. The first connector of claim 4, wherein: The projection of the first space onto the plane formed by the second direction and the third direction is rectangular.

6. The first connector of claim 2, wherein: The projection of the third space onto the plane formed by the second direction and the third direction is elliptical, and the major axis of the ellipse extends along the third direction.

7. The first connector as claimed in claim 2, characterized in that: The first base portion includes a first outer wall portion, a first lateral wall portion formed by bending from one side of the first outer wall portion, and a second lateral wall portion formed by bending from the other side of the first outer wall portion; The second base portion includes a third outer wall portion, a third lateral wall portion formed by bending from one side of the third outer wall portion, and a fourth lateral wall portion formed by bending from the other side of the third outer wall portion; The first lateral wall portion corresponds to the third lateral wall portion, and the second lateral wall portion corresponds to the fourth lateral wall portion.

8. The first connector of claim 7, wherein: The positioning convex humb includes a first positioning convex humb disposed on the first side wall portion, and the positioning notch includes a first positioning notch disposed on the third side wall portion, wherein the first positioning convex humb and the first positioning notch cooperate.

9. The first connector of claim 7, wherein: The positioning convex humb includes a second positioning convex humb disposed on the fourth lateral wall portion, and the positioning notch includes a second positioning notch disposed on the second lateral wall portion, wherein the second positioning convex humb and the second positioning notch cooperate with each other.

10. The first connector of claim 7, wherein: The first lateral wall portion is provided with a first positioning recess, the second lateral wall portion is provided with a second positioning recess, the third lateral wall portion is provided with a third positioning recess, and the fourth lateral wall portion is provided with a fourth positioning recess. The first positioning recess is connected to the third positioning recess to jointly form a first mounting recess located on one side of the conductive housing; the second positioning recess is connected to the fourth positioning recess to jointly form a second mounting recess located on the other side of the conductive housing. The first terminal module includes a conductive metal block that is held in the first mounting recess and the second mounting recess, and is at least partially located in the first space.

11. The first connector of claim 10, wherein: The first terminal module includes a first insulating block at least partially fixed to the first conductive terminal, a second insulating block at least partially fixed to the second conductive terminal, a first shielding sleeve sleeved on the first insulating block and located around the first conductive terminal, and a second shielding sleeve sleeved on the second insulating block and located around the second conductive terminal; the conductive metal block is provided with a first through hole through which the first shielding sleeve passes and a second through hole through which the second shielding sleeve passes.

12. The first connector of claim 2, wherein: The first cable includes a first insulating layer wrapped circumferentially around the first conductive wire, a second insulating layer wrapped circumferentially around the second conductive wire, and a first shielding layer disposed outside the first insulating layer and the second insulating layer; the first shielding layer is at least partially located in the third space.

13. The first connector of claim 12, wherein: The first covering portion includes a first base portion, a first arc-shaped portion connected to one side of the first base portion, and a second arc-shaped portion connected to the other side of the first base portion; The second covering portion includes a second base portion, a third arc-shaped portion connected to one side of the second base portion, and a fourth arc-shaped portion connected to the other side of the second base portion; The first arc-shaped portion corresponds to the third arc-shaped portion, and the second arc-shaped portion corresponds to the fourth arc-shaped portion.

14. The first connector of claim 13, wherein: The first base portion is provided with a first solder-receiving through hole, and the second base portion is provided with a second solder-receiving through hole. The first shielding layer is exposed in the first solder-receiving through hole and the second solder-receiving through hole.

15. The first connector of claim 14, wherein: The first arc-shaped portion is provided with a first solder-containing notch, the second arc-shaped portion is provided with a second solder-containing notch, the third arc-shaped portion is provided with a third solder-containing notch, and the fourth arc-shaped portion is provided with a fourth solder-containing notch. The first tin-receiving notch is connected to the third tin-receiving notch to jointly form a first lateral tin-receiving hole located on one side of the conductive housing; the second tin-receiving notch is connected to the fourth tin-receiving notch to jointly form a second lateral tin-receiving hole located on the other side of the conductive housing. The first shielding layer is exposed in the first lateral solder-receiving hole and the second lateral solder-receiving hole.

16. The first connector of claim 15, wherein: The first tin-retaining through-hole and the second tin-retaining through-hole are located on both sides of the first shielding layer along the second direction, and the first lateral tin-retaining hole and the second lateral tin-retaining hole are located on both sides of the first shielding layer along the third direction.

17. The first connector of claim 1, wherein: The first terminal assembly includes a first shielding sleeve, which is in contact with the conductive housing; The first shielding sleeve includes a cylindrical portion, the cylindrical portion having a hollow first cavity, and the contact portion of the first conductive terminal and the contact portion of the second conductive terminal both extend at least partially into the first cavity.

18. The first connector of claim 17, wherein: The first shielding sleeve includes a first shielding shell and a second shielding shell, the first shielding shell and the second shielding shell are separately disposed and fixed together; the first shielding shell and the second shielding shell are provided with at least one recess and at least one protrusion that cooperate with each other, and the protrusion is received in the recess.

19. The first connector of claim 18, wherein: The notch is adapted to the shape of the protrusion.

20. The first connector of claim 1, wherein: The first conductive housing and the second conductive housing are manufactured or pre-manufactured using the same mold.

21. A connector assembly characterized by, include: A first connector, wherein the first connector is the first connector as described in any one of claims 1 to 20; as well as The second connector includes a second housing and a plug module disposed in the second housing. The second housing has a receiving space, and the first housing of the first connector is at least partially received in the receiving space. The plug module includes a second terminal assembly, the second terminal assembly including a second terminal module, a second shielding sleeve at least partially surrounding the second terminal module, and a second cable electrically connected to the second terminal module. The second terminal module includes a first mating terminal and a second mating terminal, which are respectively in contact with the first conductive terminal and the second conductive terminal of the first connector.

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