High-speed connector

Abstract

The utility model belongs to the technical field of connectors, and discloses a novel high-speed connector, which comprises a base and a plurality of terminal modules mounted on the base, each terminal module comprises an insulating body, the insulating body is provided with a first surface, a second surface and a terminal group fixedly held in the insulating body, and the first surface and the second surface are oppositely arranged. The conductive shielding plate is arranged on the first surface of the insulating body, each terminal group comprises a plurality of conductive terminals, the conductive terminals comprise a plurality of grounding terminals and a plurality of signal terminals, and the grounding terminals are arranged at intervals along the vertical direction; the electric connector further comprises a metal support, the metal support is inserted and fixedly held at the side ends of the insulating body and the conductive shielding plate, and the metal support is in common ground contact with the conductive shielding plate and the grounding terminal. Therefore, shielding common ground is better achieved, the terminal module is firm in structure, and the terminal module has good low-impedance and high-frequency transmission performance.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric connector, especially a kind of high-speed connector. BACKGROUND

[0002] High-speed connector is an interface piece connecting equipment and system under high-speed data transmission, is a kind of widely used in data transmission electronic components, mainly used to connect backplane and daughterboard etc., and plays a key role in computer, communication, server and industrial equipment. Especially under the promotion of artificial intelligence, cloud computing, automatic driving, 5G / 6G data flow and application technology, its demand increases substantially.

[0003] In prior art, high-speed connector usually needs to transmit high-frequency signal, reduce impedance as much as possible, shield external electromagnetic interference, so the shielding setting between signal terminals transmitting different signals is particularly important. High-speed connector usually contains multiple terminal assemblies, each terminal assembly has multiple signal differential pairs and ground terminals, in order to shield signals in adjacent two terminal connections, metal shielding member is usually arranged in terminal assembly, ground unit is needed to be arranged around four sides of terminal assembly, and in order to make each metal shielding member and each ground terminal grounded, a kind of conductive plastic part is used between metal shielding member and ground terminal in prior art, and complex buckle or double ground unit around is used in ground unit to realize contact connection. The conductive plastic and the fixing mode of ground unit cannot guarantee the contact stability and the fixing firmness of metal shielding sheet and each ground terminal, and the assembly is complex and time-consuming, so that the ground shielding mechanism cannot form a complete shielding structure, which will weaken the common ground effect during high-frequency transmission. Therefore, there is an urgent need for a high-speed connector with high-frequency common ground, low impedance and stable connection without increasing conductive plastic part or double ground unit fixing mode in prior art. SUMMARY

[0004] Based on this, the utility model provides a new high-speed connector, which has a simple structure and good signal shielding performance.

[0005] To solve the above problems, the utility model provides a kind of high-speed connector, including base, install several terminal module on the base, each terminal module includes insulating body, insulating body has the first surface and second surface of opposite arrangement, and the terminal group held in the insulating body, install the conductive shielding plate of the first surface of the insulating body, each terminal group includes several conductive terminals, the conductive terminal includes several ground terminals, several signal terminals, the ground terminal is arranged along the vertical direction interval;It further includes metal support, the metal support is inserted and held in the side end of the insulating body, conductive shielding plate, the metal support and the conductive shielding plate are common ground contact.

[0006] Further, the ground terminal is in contact with the conductive shielding plate and the metal support, so that complete ground shielding is achieved.

[0007] Further, the terminal module further comprises a grounding strip, a plurality of convex blocks are arranged on the grounding strip, a lap joint groove matched with the convex blocks of the grounding strip is arranged on the insulating body, the grounding strip is lap jointed on the lap joint groove of the insulating body, the convex blocks correspond to the ground terminals, and the convex blocks and the corresponding ground terminals are fixed through welding, so that the front ends of the ground terminals are in common ground.

[0008] Further, a plurality of connecting convex columns are arranged on the first surface of the insulating body facing the conductive shielding plate, a convex column mounting hole corresponding to each connecting convex column is arranged on the conductive shielding plate, the connecting convex column is inserted into the convex column mounting hole to fix the conductive shielding plate, and a plurality of frame leading holes are further arranged on the first surface and the second surface of the insulating body.

[0009] Further, a plurality of elastic sheets are arranged on the holding section of the ground terminal in the conductive terminal, the elastic arms arranged on the elastic sheets are inclined towards the side of the conductive shielding plate, the projection of the elastic arms towards the second surface direction overlaps the frame leading hole, and the elastic arms abut against the conductive shielding plate, so that the conductive shielding plate and the ground terminal are electrically connected, and ground shielding is achieved.

[0010] Further, the rear end and the upper end of the insulating body are provided with a first clamping part, a second clamping part and a third clamping part, the third clamping part is provided with a plug-in slot for inserting the metal support, so that the metal support is plug-in positioned and clamped, the conductive shielding plate is provided with a plug-in notch, the plug-in notch is located at the upper rear corner of the conductive shielding plate, and the metal support is plug-in to the plug-in notch.

[0011] Further, the first clamping part and the second clamping part at the rear end of the insulating body are provided with an insulating body groove recessed inward, so as to accommodate and fix the metal support, a first window is arranged at the middle part position of the second clamping part, a second window corresponding to the position of the first window is arranged at the rear end side of the conductive shielding plate, and the projection of the second window towards the direction of the insulating body overlaps the first window after assembly.

[0012] Further, the metal support includes an upper clamping part fixed to the upper end of the insulating body, and a rear clamping part fixed to the rear end of the insulating body; the upper clamping part includes a clamping end part for inserting and clamping the insertion slot of the third clamping part of the insulating body, and an upper plate part integrally connected with the clamping end part, and at least one through hole is arranged in the upper plate part of the upper clamping part.

[0013] Further, the rear clamping part includes a clamping slot for clamping and fixing the second clamping part, and a lower plate part inserted into the groove of the insulating body, and the upper side of the clamping slot is curved and arranged in the direction of the upper clamping part, and the metal support is in the shape of "L".

[0014] Further, the plurality of conductive terminals in the terminal group include a fixed segment fixed in the insulating body, a contact segment extending forward from the front end of the fixed segment and exposed to the insulating body, and a terminal fixing foot extending downward from the contact segment and exposed to the insulating body; the bottom side of the terminal module is provided with an insulating support bottom plate, and the insulating support bottom plate is provided with through holes for the plurality of terminal fixing feet to pass through from top to bottom and arrayed, so as to realize the overall fixing of the terminal module in the vertical direction.

[0015] Further, the plurality of terminal modules include a plurality of first terminal modules and a plurality of second terminal modules, and the first terminal modules and the second terminal modules are arranged in sequence and spaced apart in the transverse direction, and the conductive terminals in the terminal group are arranged in sequence and spaced apart in the vertical direction with one ground terminal and at least one signal terminal, and the adjacent two signal terminals in the terminal group form a pair of differential signal pairs.

[0016] The utility model has the advantages that: since the plurality of contact elastic sheets are arranged on the fixed segments of the ground terminals, the ground terminals are connected to the conductive shielding plates through the elastic sheets, and the shielding effect is enhanced; then, the metal support is inserted and fixed in the rear side region of the plurality of terminal modules, which is conducive to the stable fixing of the terminal modules, and the metal support is in shielding electrical contact with the insertion port of the conductive shielding plate after being inserted, forms a metal shielding cover-like structure, the conductive shielding plates of the terminal modules are connected to each other to achieve common grounding shielding, the impedance is further adjusted, the common grounding effect is enhanced, and the high-frequency transmission performance of the differential signal terminals between the ground terminals in all directions is improved, and the shielding effect is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a perspective view of the high-speed connector.

[0018] Figure 2 It is a three-dimensional exploded view of the high-speed connector of the utility model;

[0019] Figure 3 It is a three-dimensional view of the terminal module group of the high-speed connector of the utility model;

[0020] Figure 4 It is Figure 3 A three-dimensional exploded view of a terminal module of the utility model;

[0021] Figure 5 It is Figure 3 A schematic view of one direction of the insulating body and terminal group after being fixed;

[0022] Figure 6 It is Figure 3 A schematic view of a terminal group of the utility model;

[0023] Figure 7 It is Figure 3 A schematic view of one direction of the conductive shielding plate of the utility model;

[0024] Figure 8 It is a three-dimensional view of the metal support of the high-speed connector of the utility model;

[0025] Figure 9 It is a schematic view of the metal support and a terminal module after being fixed of the high-speed connector of the utility model;

[0026] Figure 10 It is a three-dimensional view of the insulating support bottom plate of the high-speed connector of the utility model;

[0027] The meanings of various signs in the drawings are as follows:

[0028] High-speed connector - 100, base - 10, terminal module - 20, first terminal module 20a, second terminal module - 20b, metal support - 30, insulating support bottom plate - 40;

[0029] Base - 11, side plate - 12, side wall - 13;

[0030] Insulating body - 21, first surface - 211, second surface - 212, first clamping part - 213a, second clamping part - 213b, third clamping part - 213c, frame - 214, connecting convex column - 215, mounting part - 216, lapping groove - 2121, insulating body groove 2131, first window 2132, convex block - 2133, insertion groove - 2134;

[0031] Terminal group-22, first terminal group-22a, second terminal group-22b, conductive terminal-221, ground terminal-G, signal terminal-S, retaining section-2211, contact portion-2212, terminal fixing foot-2213, first retaining section-2211a, second retaining section-2211b, third retaining section-2211c, elastic sheet-2214, spring arm-22141;

[0032] Conductive shielding plate-23, protruding post mounting hole-231, conductive strip-232, insertion notch-233, second window-234, "U-shaped" slot-2331;

[0033] Grounding bar-24, convex bulge-241;

[0034] Upper clamping part -31, rear clamping part -32, upper plate body part -311, clamping end -312, plate body part through hole -3111, rear plate body part -321, clamping groove -322;

[0035] Interval beam-41, through hole-42. Detailed Implementation

[0036] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. Preferred embodiments of this utility model are shown in the drawings. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the disclosure of this utility model.

[0037] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly attached to the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

[0038] The directional definitions of "front, back, left, right, up, down" and "first, second, third" as used in this application are all based on... Figure 1 Specifically, the base 10 is defined as being located at the front end of the high-speed connector 100, and the assembly direction between the base 10 and the several terminal modules 20 is defined as the front-rear direction. Figure 1The X direction shown in the figure is the front-rear direction or the first direction, the Y direction perpendicular to the X direction is the left-right direction or the second direction (lateral direction), the Z direction perpendicular to the X direction and the Y direction is the up-down direction or the third direction (vertical direction).

[0039] Referring to Figures 1-2 The high-speed connector 100 provided by the present application comprises a base 10, a plurality of terminal modules 20, the plurality of terminal modules 20 are installed into the base 10 along the front-rear direction, and the plurality of terminal modules 20 are arranged continuously on the base 10 in the lateral direction. The high-speed connector 100 further comprises an insulating support bottom plate 40 for fixing the plurality of terminal modules 20, and a metal bracket 30 inserted into the rear side area of the plurality of terminal modules 20.

[0040] Referring to Figure 2 The base 10 can be made of insulating material, and is used for fixing the plurality of terminal modules 20 installed along the front-rear direction. The base 10 comprises a side plate 12 and a base 11, the side plate 12 extends upward from one end of the base 11, and the base 10 further comprises a side wall 13 arranged at the intersection of the two ends of the side plate 12, the side wall 13 is a slanted guide surface, and the side plate 12, the side wall 13 and the base 11 form a receiving space for at least partially receiving the plurality of terminal modules 20.

[0041] Referring to Figures 2-4 The plurality of terminal modules 20 comprise a plurality of first terminal modules 20a and second terminal modules 20b arranged in layers along the second direction, and the first terminal modules 20a and the second terminal modules 20b have the same structure. The first terminal modules 20a and the second terminal modules 20b each comprise an insulating body 21, a terminal group 22, a conductive shielding plate 23 and a grounding strip 24, the terminal group 22 is held in the insulating body 21, the insulating body 21 defines a first surface 211 and a second surface 212 opposite to the first surface 211, and the conductive shielding plate 23 is installed on the first surface 211 of the insulating body 21.

[0042] Referring to Figure 2 , Figure 4 , Figure 5As shown, the first surface 211 of the insulating body 21 is provided with a connecting protrusion 215 extending towards the side of the conductive shielding plate 23, the connecting protrusion 215 penetrates the conductive shielding plate 23, thereby reinforcing the connection stability of the insulating body and the conductive shielding plate 23 in the second direction. The insulating body 21 is generally in a "frame" structure, the insulating body 21 is provided with a plurality of lead frames 214, the lead frames 214 cover the regions penetrating the first surface 211 and the second surface 212 of the insulating body 21, and the positions of the lead frames 214 correspond to the positions of the grounding terminals G of any terminal group 22. The insulating body 21 further includes a first clamping portion 213a and a second clamping portion 213b in the rear end direction, and a third clamping portion 213c in the upper end direction; the third clamping portion 213c is provided with an insertion slot 2134 for the insertion of the metal support 30, so as to facilitate the positioning and clamping of the metal support 30 in the transverse direction, the insertion slot 2134 is provided with a guide wedge-shaped inclined entrance, one side of the insertion slot 2134 can partially accommodate the rear upper corner position of the conductive shielding plate 23, the upper end position of the insulating body 21 extends towards the third clamping portion 213c in the first direction and further includes a mounting portion 216, the mounting portion 216 is used for lateral insertion and mounting limiting and fixing at the side plate 12 of the base 10; the first clamping portion 213a and the second clamping portion 213b at the rear end of the insulating body 21 are provided with an insulating body groove 2131 for accommodating and limiting the metal support 30, the middle position of the second clamping portion 213b is provided with a first window 2132 formed by recessing inward on both sides in the transverse direction, the second clamping portion 213b is provided with protrusions 2133 on the upper and lower sides of the first window 2132, the protrusions 2133 can limit and fix the metal support 30. The insulating body is integrally formed, in this embodiment, the insulating body is made of insulating plastic or resin materials, and is integrally formed with the terminal group 22 by injection molding to wrap the main part of the terminal group 22.

[0043] Please refer to Figure 4 , Figure 6As shown, the terminal groups 22 of the terminal modules 20 comprise a plurality of conductive terminals 221, which comprise holding segments 2211 held in the insulating bodies 21, contact portions 2212 extending forward from the front ends of the holding segments 2211 to expose the front end portions of the insulating bodies 21, and terminal fixing feet 2213 extending downward from the holding segments 2211 to expose the terminal exposure zones of the insulating bodies 21; the holding segments 2211 comprise first holding segments 2211a extending in the front-rear direction, second holding segments 2211b extending in the up-down direction, and third holding segments 2211c connecting the first holding segments 2211a and the second holding segments 2211b, the contact portions 2212 are connected to the front end portions of the first holding segments 2211a, and the terminal fixing feet 2213 are connected to the lower end portions of the second holding segments 2211b, the contact portions 2212 are used for terminal contact connection and signal transmission to realize transmission paths. In the terminal group 22, the extension lengths of the first holding segments 2211a, the second holding segments 2211b, and the third holding segments 2211c of the holding segments 2211 of the conductive terminal 221 located above any two conductive terminals 221 are greater than the extension lengths of the first holding segments 2211a, the second holding segments 2211b, and the third holding segments 2211c of the holding segments 2211 of the conductive terminal 221 located below.

[0044] With continued reference to Figure 4 、 Figure 6As shown, the plurality of conductive terminals 221 in the terminal group 22 includes a plurality of ground terminals G and a plurality of signal terminals S, the ground terminals G are arranged in a vertical direction with a spacing, and the plurality of signal terminals S includes two signal terminals S respectively located between two adjacent ground terminals G in the vertical direction, the two signal terminals S form a pair of differential signal terminal pair, and there is a gap between each adjacent ground terminal G and differential signal terminal pair, and the ground terminal G is preferably arranged between each adjacent differential signal pair in a one-to-one correspondence. Alternatively, the plurality of signal terminals S and ground terminals G can be distributed in various terminal arrangement forms such as "G-S-S-G, S-G-S-S, S-S-G-S", and the like, and the plurality of conductive terminals 221 distributed in a line in the first direction form a linear array, that is, the plurality of signal terminals S and ground terminals G in each terminal group 22 form a linear array for facilitating arrangement and installation with the base 10 and the insulating support bottom plate 40. In the embodiment, the width of the ground terminal G in any terminal group 22 is much greater than the width of the signal terminal S holding section 2211, so as to achieve better shielding ground performance, reduce impedance, and achieve sufficient electrical contact with the conductive shielding plate 23. The ground terminal G holding section 2211 in any terminal group 22 is provided with a plurality of elastic pieces 2214, the elastic piece 2214 is formed by tearing and forming an elastic arm 22141, the elastic arm 22141 of the elastic piece 2214 is inclined towards the conductive shielding plate 23, and the elastic piece 2214 of the ground terminal G holding section 2211 is held at the opening position of the lead frame 214 of the insulating body 21, and the elastic arm 22141 protrudes into the lead frame 214 towards the conductive shielding plate 23 for facilitating electrical contact between the ground terminal G and the conductive shielding plate 23.

[0045] Please refer to Figure 4 、 Figure 7As shown, the conductive shielding plate 23 is a metal plate part formed by stamping or die casting, and is fixed to the first surface 211 of the insulating body 21. The conductive shielding plate 23 is provided with a plurality of column mounting holes 231 corresponding to the side of the insulating body 21 facing the conductive shielding plate 23, so as to realize stable assembly with the insulating body. The conductive shielding plate 23 further comprises a plug-in notch 233 corresponding in position to the third clamping portion 213c of the insulating body 21, the plug-in notch 233 being used for plug-in contact of the metal support 30 with the conductive shielding plate 23. The plug-in notch 233 is located at the upper rear corner region of the conductive shielding plate 23, and is provided with an irregular "U"-shaped slot 2331 at the plug-in notch 233. The metal support 30 is inserted into the "U"-shaped slot 2331 to contact the plug-in notch 233. The "U"-shaped slot 2331 comprises an opening region and an inner side region. The "U"-shaped slot 2331 is provided with a wedge-shaped entrance at the opening region, and the width gradually narrows towards the inner side region to a separation position between the opening region and the inner side region. The separation position is in abutment with the metal support 30. The conductive shielding plate 23 is provided with a second window 234 corresponding in position to the first window 2132 at the rear end side of the conductive shielding plate 23. The projection of the second window 234 towards the insulating body 21 overlaps the first window 2132. The conductive shielding plate 23 is provided with a plurality of conductive strips 232 of different lengths at the surface region close to the side of the insulating body 21. The conductive strips 232 are adapted to the positions of the holding segments 2211 of a plurality of ground terminals G on the terminal group 22. The conductive strips 232 protrude towards the side of the insulating body 21. The conductive strips 232 are in abutment with the elastic arms 22141 of the elastic pieces 2214 of the holding segments 2211 of the ground terminals G. The elastic arms 22141 realize stable connection of the ground terminals G with the conductive shielding plate 23, so as to realize common grounding of a plurality of ground terminals G on the terminal group 22, to ensure signal transmission between terminals, shield electromagnetic interference of the external environment on the terminal group 22, and realize shielding grounding effect.

[0046] Please refer to Figures 3-4As shown, the any terminal module 20 further comprises a grounding strip 24, which is arranged on the second surface of the insulating body 21, and a plurality of convexes 241 are arranged on the grounding strip 24. The insulating body is provided with a lap joint groove 2121 corresponding to the convexes 241 of the grounding strip 24 near the contact part 2212 of the conductive terminal 221. The grounding strip 24 is lap jointed on the lap joint groove 2121 of the insulating body 21, and the lap joint groove 2121 is located at the front end region of the insulating body 21. Each of the convexes 241 corresponds to a grounding terminal G, and each of the convexes 241 is fixed with the corresponding grounding terminal G by welding to realize the front end common ground of each grounding terminal G. In another embodiment, the convexes 241 of the grounding strip 24 and the corresponding grounding terminals can also be fixed by riveting. After the grounding strip 24 and the grounding terminals are fixed, the grounding strip 24 is fastened on the second surface 212 of the insulating body 21.

[0047] Please refer to Figures 1-2 , Figures 8-9As shown, the metal bracket 30 is inserted and held at the side end portion of the insulating body 21 and the conductive shielding plate 23, the metal bracket 30 includes an upper clamping portion 31 held at one side of the upper end of the insulating body 21 and a rear clamping portion 32 held at the rear end portion of the insulating body 21; the upper clamping portion 31 includes a clamping end portion 312 for inserting and clamping the third clamping portion 213c of the insulating body 21, the clamping end portion 312 is in electrical contact with the insertion gap 233, the upper clamping portion 31 further includes an upper plate body portion 311 connected and integrated with the clamping end portion 312, and a plurality of plate body portion through holes 3111 are arranged at the position of the upper plate body portion 311. The rear clamping portion 32 includes a clamping groove 322 for clamping cooperation with the second clamping portion 213b, the second clamping portion 213b is limited and held by the protrusion 2133 of the metal bracket 30, the upper side of the clamping groove 322 extends and bends towards the upper clamping portion 31, and is arc-shaped to match the inclined surface at the intersection of the rear end and the upper end of the insulating body, the rear clamping portion 32 further includes a rear plate body portion 321 connected and integrated with the clamping groove 322, after the insertion of the metal bracket 30 is completed, the rear plate body portion 321 is accommodated in the insulating body groove 2131 formed by the first clamping portion 213a and the second clamping portion 213b, and the metal bracket 30 is in the shape of "L" or "comb", which is convenient for fully inserting and holding the terminal module 20, and the bending angle of the upper clamping portion 31 and the lower clamping portion of the metal bracket 30 is between 80° and 100°, that is, the upper clamping portion 31 and the lower clamping portion of the metal bracket 30 are approximately perpendicular. The metal bracket 30 can withstand the extrusion force generated when the terminal module 20 is misaligned during insertion of the first terminal module 20a and the second terminal module 20b, and can ensure that the distance between the insulating body 21 and the conductive shielding plate 23 is not affected, thereby ensuring that the position of each terminal module 20 is fixed when the terminal module 20 is assembled with the base 10. After the metal bracket 30 is inserted with the plurality of terminal modules 20, the insertion gap 233 and each conductive shielding plate 23 are in electrical contact to form a shielding structure of the metal bracket 30, the contact terminal G and the conductive shielding plate 23, so that the conductive shielding plates 23 of each terminal module 20 are connected to form a complete shielding electrical contact, and a complete shielding common ground structure is formed, thereby improving the high-frequency transmission performance of the differential signal terminal S in each direction.

[0048] Please refer to Figure 2 、 Figure 10As shown, the insulating support bottom plate 40 holds the terminal exposure part area of each terminal group 22 on the lower side, the insulating support bottom plate 40 is provided with a spacing beam 41 to space each terminal module 20, and a through hole 42 is arranged for the terminal fixing feet 2213 of the plurality of conductive terminals 221 to pass through the array arrangement from top to bottom, the terminal fixing feet 2213 of a pair of signal terminals in any terminal group 22 which are located between the spaced ground terminals G share a through hole 42, so as to realize the overall fixation of the terminal module 22 from the vertical direction.

[0049] The above embodiments only express the preferred embodiments of the present application, the description is more specific and detailed, but it cannot be understood as the limitation of the patent scope of the present application. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which belong to the protection scope of the present application. Therefore, the protection scope of the present application patent should be subject to the appended claims.

Claims

1. A high speed connector characterized by: The application relates to a terminal module, which comprises a base, a plurality of terminal modules installed on the base, each terminal module comprising an insulating body with a first surface and a second surface arranged oppositely, a terminal group held in the insulating body, a conductive shielding plate installed on the first surface of the insulating body, each terminal group comprising a plurality of conductive terminals, the conductive terminals comprising a plurality of ground terminals and a plurality of signal terminals, the ground terminals being arranged at intervals in a vertical direction, and a metal support inserted and held in the side end part of the insulating body and the conductive shielding plate, the metal support being in common contact with the conductive shielding plate.

2. The high speed connector of claim 1, wherein: The ground terminals are in common contact with the conductive shielding plate and the metal support, so that complete ground shielding is achieved.

3. The high speed connector of claim 2, wherein: Each terminal module further comprises a ground strip provided with a plurality of convex blocks, the insulating body is provided with a lap joint groove matched with the convex blocks of the ground strip, the ground strip is lap jointed on the lap joint groove of the insulating body, the convex blocks correspond to the ground terminals, and each convex block is fixed with the corresponding ground terminal through welding, so that the front ends of the ground terminals are in common ground.

4. The high speed connector of claim 2, wherein: The first surface of the insulating body facing the conductive shielding plate is provided with a plurality of connecting convex columns, the conductive shielding plate is provided with a plurality of convex column mounting holes corresponding to the connecting convex columns one by one, the connecting convex columns are inserted into the convex column mounting holes to fix the conductive shielding plate, and the first surface and the second surface of the insulating body are further provided with a plurality of lead frames.

5. The high speed connector of claim 4, wherein: The terminal group comprises a plurality of elastic sheets arranged on the holding section of the ground terminals in the conductive terminals, the elastic arms arranged on the elastic sheets are inclined towards the side of the conductive shielding plate, the projection of the elastic arms towards the insulating body direction overlaps the lead frame, the elastic arms abut against the conductive shielding plate, so that the conductive shielding plate is electrically connected with the ground terminals, and ground shielding is achieved.

6. The high speed connector of claim 5, wherein: The rear end and the upper end of the insulating body are provided with a first clamping part, a second clamping part and a third clamping part, the third clamping part is provided with an insertion groove for inserting the metal support, so that the metal support is inserted, positioned and clamped, the conductive shielding plate is provided with an insertion notch, the insertion notch is located at the rear upper corner of the conductive shielding plate, and the metal support is inserted into the insertion notch, so that the metal support is in common contact with the conductive shielding plate after being inserted.

7. The high speed connector of claim 6, wherein: The first clamping part and the second clamping part at the rear end of the insulating body are provided with an inwardly recessed insulating body groove, which is used for accommodating and fixing the metal support, the middle part of the second clamping part is provided with a first window, the rear end side of the conductive shielding plate is provided with a second window corresponding to the position of the first window, and the projection of the second window towards the insulating body direction overlaps the first window after assembly.

8. The high speed connector of claim 7, wherein: The metal support comprises an upper clamping part held on the upper end of the insulating body and a rear clamping part held on the rear end of the insulating body, the upper clamping part comprises a clamping end part for inserting and clamping the insertion groove of the third clamping part of the insulating body and an upper plate body part integrally connected with the clamping end part, and at least one plate body part through hole is further arranged at the position of the upper plate body part of the upper clamping part.

9. The high speed connector of claim 8, wherein: The rear clamping part comprises a clamping groove for clamping fixation with the second clamping part, and a lower plate body part inserted into the recess of the insulating body, the upper side of the clamping groove is curvedly arranged extending towards the upper clamping part, and the metal support is in the shape of "L".

10. The high speed connector of claim 1, wherein: The conductive terminals in the terminal group comprise a holding segment held in the insulating body, a contact segment extending forward from the front end of the holding segment and exposed from the insulating body, and a terminal fixing foot extending downward from the contact segment and exposed from the insulating body; the bottom side of the terminal module is provided with an insulating support bottom plate, the insulating support bottom plate is provided with through holes for the terminal fixing feet to pass through from top to bottom and arrayed, so as to realize overall fixation of the terminal module in the vertical direction.

11. The high speed connector of claim 1, wherein: The terminal modules comprise first terminal modules and second terminal modules, the first terminal modules and the second terminal modules are sequentially and spacedly arranged from the lateral direction, the conductive terminals in the terminal group are sequentially and spacedly arranged from the vertical direction with one ground terminal and at least one signal terminal, and two adjacent signal terminals in the terminal group form a pair of differential signal pairs.

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