terminal set

Abstract

The application discloses a terminal group, which comprises a plurality of grounding terminals arranged at intervals in a first direction, each grounding terminal comprising a grounding contact section and a grounding fixed section, and at least one first opening being arranged on the grounding fixed section of each grounding terminal; an insulator, the grounding fixed section being held inside the insulator, the insulator comprising a first surface and a second surface arranged oppositely, and the insulator being provided with a hollow area exposing the first opening; a conductive shielding plate arranged on the first surface, the conductive shielding plate being provided with a second opening corresponding to the first opening one by one; and a conductive fixing piece, which is arranged through the corresponding first opening and second opening, the outer wall of the conductive fixing piece being fixed in interference fit with the hole wall of the first opening, and one end of the conductive fixing piece being closely attached to the conductive shielding plate. The application effectively guarantees the contact stability of the conductive shielding plate and the grounding strip with each grounding terminal, guarantees the unified grounding effect of the terminal group, and helps to improve the transmission speed.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of connectors, and particularly relates to a terminal group. BACKGROUND

[0002] In order to realize overall grounding of each grounding terminal of the connector and ensure grounding effect, a grounding assembly commonly in contact with each grounding terminal is arranged in the terminal group. At present, the grounding assembly is generally fixed with the grounding terminal in a buckle mode. A matching buckle is arranged on the grounding terminal, and a buckle matching the buckle is arranged on the grounding assembly. The buckle and the buckle are in interference fit to realize contact connection. This fixing mode cannot guarantee the contact stability and fixing firmness of the grounding assembly and each grounding terminal, has certain influence on transmission speed, and each grounding terminal needs to be arranged with a buckle. The grounding assembly also needs to be arranged with a one-to-one corresponding buckle structure, so that the production cost is high, the steps are complicated, and the yield is low. SUMMARY

[0003] The application aims to provide a terminal group to solve the technical problems in the prior art that the grounding assembly and the grounding terminal cannot guarantee contact stability and fixing firmness through buckle fixing, each grounding terminal needs to be arranged with a buckle, and the grounding assembly needs to be arranged with a one-to-one corresponding buckle structure, so that the production cost is high, the steps are complicated, and the yield is low.

[0004] To achieve the above-mentioned purpose, one technical scheme adopted by the application is:

[0005] The application provides a terminal group, which comprises:

[0006] A plurality of grounding terminals are arranged at intervals along a first direction. Each grounding terminal comprises a grounding contact section and a grounding fixed section arranged in sequence. At least one first opening is arranged on the grounding fixed section of each grounding terminal.

[0007] An insulator is arranged inside the grounding fixed section. The insulator comprises a first surface and a second surface arranged oppositely. A hollow area exposing the first opening is arranged on the insulator.

[0008] A conductive shielding plate is arranged on the first surface. The conductive shielding plate is provided with a second opening corresponding to the first opening.

[0009] A conductive fixing piece is arranged through the corresponding first opening and the second opening. The outer wall of the conductive fixing piece is in interference fit with the hole wall of the first opening. One end of the conductive fixing piece is tightly attached to the conductive shielding plate.

[0010] In one or more embodiments, a grounding strip is arranged on the second surface along the first direction, and the grounding strip is provided with third openings corresponding to the first openings, and the conductive fixing member passes through the corresponding third openings and is tightly attached to the grounding strip at the other end.

[0011] In one or more embodiments, at least one first opening of each grounding terminal is arranged at the end of the grounding fixed segment close to the grounding contact segment, the grounding strip is arranged on the second surface close to one end of the grounding contact segment, and the grounding strip is provided with at least one first notch close to one side of the grounding contact segment, and the first notch is located at the gap of the orthographic projection of adjacent grounding terminals on the grounding strip.

[0012] In one or more embodiments, the conductive fixing member is provided with a first pressing table at one end close to the first surface, and is provided with a second pressing table at one end close to the second surface, the first pressing table tightly presses the conductive shielding plate in the direction of the first surface pointing to the second surface, and the second pressing table tightly presses the grounding strip in the direction of the second surface pointing to the first surface.

[0013] In one or more embodiments, the grounding strip is provided with a recess embedded in the hollowed-out area, the bottom surface of the recess is in contact with the grounding terminal, the third opening is arranged on the bottom surface of the recess, and the second pressing table is embedded in the recess to tightly press the grounding strip.

[0014] In one or more embodiments, the conductive shielding plate is provided with at least one second notch on one side close to the grounding contact segment, and the second notch is located at the gap of the orthographic projection of adjacent grounding terminals on the conductive shielding plate.

[0015] In one or more embodiments, the conductive fixing member is provided with a first pressing table at one end close to the first surface, the first pressing table tightly presses the conductive shielding plate in the direction of the first surface pointing to the second surface, the conductive fixing member is provided with a second pressing table at one end close to the second surface, and the second pressing table tightly presses the grounding terminal and / or the insulator in the direction of the second surface pointing to the first surface.

[0016] In one or more embodiments, the conductive shielding plate is provided with a groove around the second opening on the side away from the insulator, and the first pressing table is embedded in the corresponding groove to tightly press the conductive shielding plate.

[0017] In one or more embodiments, the conductive fixing member comprises an elastic tube with a hollow inside, the elastic tube comprises an expanded section at a middle part, and a third gap is formed in the tube wall of the elastic tube from one axial end to the other end, so that the expanded section can be expanded outward to press the first hole wall.

[0018] In one or more embodiments, the expanded section is provided with a plurality of through holes arranged in a circumferential direction.

[0019] In one or more embodiments, the second pressing platform is arranged at one end of the elastic tube, and a plurality of fourth gaps are arranged in a circumferential direction at the other end of the elastic tube to separate the other end of the elastic tube into a plurality of elastic pressing pieces, and the elastic pressing pieces are arranged in an outward flapping manner to form the first pressing platform.

[0020] In one or more embodiments, the conductive fixing member comprises a rivet, the first pressing platform and the second pressing platform are integrally formed at two ends of the rivet, an annular clamping groove is arranged on the outer wall of the rivet, and an annular protrusion is arranged on the inner wall of the first hole.

[0021] In one or more embodiments, the clamping groove comprises a groove bottom surface, a first side wall and a second side wall arranged on both sides of the groove bottom surface, the first side wall is arranged close to one side of the conductive shielding plate, and the first side wall is arranged in an inclined manner away from the groove bottom surface and towards one side of the conductive shielding plate, the second side wall is arranged in an inclined manner away from the groove bottom surface and away from the other side of the conductive shielding plate, so that the caliber of the clamping groove gradually increases away from the rivet, and the annular protrusion comprises a first inclined surface and a second inclined surface arranged in the same inclined direction as the first side wall and the second side wall, respectively.

[0022] In one or more embodiments, the clamping groove further comprises a limiting wall arranged on the periphery of the first side wall, the limiting wall is arranged perpendicular to the axis of the rivet, and the inner edge of the limiting wall is connected to the outer edge of the first side wall, and the limiting wall is in close contact with the surface of the grounding terminal facing the conductive shielding plate.

[0023] In one or more embodiments, the conductive shielding plate is provided with a boss embedded in the hollowed-out area, the end surface of the boss is arranged in close contact with the grounding terminal, and the second hole is arranged through the boss.

[0024] In one or more embodiments, the insulator is provided with a plurality of opening areas, the orthographic projection of each opening area on the first surface is covered by the orthographic projection of the grounding terminal on the first surface, the surface of the conductive shielding plate is provided with a protruding portion embedded in the opening area, and the end surface of the protruding portion is in close contact with the grounding terminal.

[0025] In one or more embodiments, the ground terminal is provided with a fourth opening corresponding to the position of the opening area, and a resilient arm is arranged inside the fourth opening, one end of the resilient arm is connected to the inner wall of the fourth opening, and the other end is pressed against the protruding portion in the direction from the second surface to the first surface.

[0026] In one or more embodiments, a plurality of signal terminals are further included, the plurality of signal terminals are arranged and spaced apart along the first direction, the signal terminals are arranged between adjacent ground terminals, and each signal terminal includes a signal fixed segment held in the insulator and a signal contact segment extending out of the insulator, the signal contact segment includes an extension portion and a contact portion arranged in sequence in the direction away from the signal fixed segment, and the width of the contact portion is greater than that of the extension portion.

[0027] To achieve the above object, another technical scheme adopted by the present application is:

[0028] A terminal group is provided, including:

[0029] A ground terminal includes a ground contact segment and a ground fixed segment arranged in sequence, and at least one first opening is arranged on the ground fixed segment;

[0030] An insulator, the ground fixed segment is held inside the insulator, the insulator includes a first surface and a second surface arranged in opposite directions, and the insulator is provided with a hollow area exposing the first opening;

[0031] A conductive shielding plate is arranged on the first surface, and the conductive shielding plate is provided with a second opening corresponding to the at least one first opening;

[0032] A rivet connects the conductive shielding plate and the ground terminal through the corresponding first opening and second opening, the outer wall of the rivet is provided with a ring-shaped clamping groove matched with the wall of the first opening and a limiting wall arranged on the periphery of the clamping groove, the inner edge of the limiting wall is connected to the outer edge of the groove wall of the clamping groove, so that the limiting wall is tightly interfered with the surface of the ground terminal facing the conductive shielding plate.

[0033] In one or more embodiments, the wall of the first opening is provided with a ring-shaped protrusion embedded in the clamping groove.

[0034] In one or more embodiments, the slot includes a bottom surface and a first sidewall and a second sidewall disposed on both sides of the bottom surface. The first sidewall is disposed near the conductive shielding plate and is inclined toward the conductive shielding plate in a direction away from the bottom surface. The second sidewall is inclined toward the side away from the conductive shielding plate in a direction away from the bottom surface, so that the diameter of the slot gradually increases in a direction away from the rivet. The annular protrusion includes a first inclined surface and a second inclined surface that are inclined in the same direction as the first sidewall and the second sidewall, respectively.

[0035] In one or more embodiments, a grounding bar is further included, the grounding bar being arranged on the second surface, and the grounding bar having a third opening corresponding to the first opening. The rivet also passes through the corresponding third opening. The rivet has a first pressing platform and a second pressing platform integrally formed at both ends. The first pressing platform presses the conductive shielding plate along the direction from the first surface to the second surface, and the second pressing platform presses the grounding bar along the direction from the second surface to the first surface.

[0036] To achieve the above objectives, another technical solution adopted in this application is:

[0037] A terminal assembly is provided, characterized in that it comprises:

[0038] Several grounding terminals are arranged at intervals along a first direction;

[0039] An insulator, wherein the grounding terminal portion is fixed inside the insulator, and the insulator includes a first surface and a second surface disposed opposite to each other;

[0040] A conductive shielding plate is disposed on the first surface;

[0041] A grounding strip, the grounding strip being disposed on the second surface;

[0042] The conductive fixing component has corresponding openings provided for the conductive shielding plate, each of the grounding terminals and the grounding strip to pass through in sequence. The outer wall of the conductive fixing component is interference-fitted with the hole wall of the opening of the grounding terminal, and both ends of the conductive fixing component are tightly attached to the conductive shielding plate and the grounding strip respectively.

[0043] The advantages of this application, which differ from existing technologies, are:

[0044] This application uses conductive fasteners to fix the conductive shielding plate, grounding terminal, and grounding bar. The conductive fasteners are fixed with the grounding terminal by interference fit, and the first and second pressure plates at both ends are respectively set to press the conductive shielding plate and the grounding bar to achieve sandwich structure fixation. This can effectively ensure the contact stability between the conductive shielding plate and the grounding bar and each grounding terminal, ensure the uniform grounding effect of the terminal group, and help improve the transmission speed. Attached Figure Description

[0045] Figure 1 This is a schematic diagram of one embodiment of the connector assembly of this application;

[0046] Figure 2 This is a schematic diagram of one embodiment of the terminal block of this application;

[0047] Figure 3 This is a schematic diagram of one embodiment of the terminal block of the present application;

[0048] Figure 4 This is a schematic diagram of another perspective of one embodiment of the terminal block of this application;

[0049] Figure 5 This is a cross-sectional structural schematic diagram of one embodiment of the terminal group of this application;

[0050] Figure 6 This is a schematic diagram of one embodiment of the conductive fastener of this application;

[0051] Figure 7 This is a schematic diagram of another embodiment of the terminal group of this application;

[0052] Figure 8 yes Figure 7 Schematic diagram of the cross-sectional structure of the middle BB surface;

[0053] Figure 9 This is a schematic diagram of another embodiment of the conductive fastener of this application;

[0054] Figure 10 yes Figure 2 Schematic diagram of the cross-sectional structure of the middle AA surface;

[0055] Figure 11 This is a schematic diagram of another embodiment of the terminal block of this application;

[0056] Figure 12 yes Figure 11 Schematic diagram of the cross-sectional structure of the C-plane;

[0057] Figure 13 yes Figure 11 A magnified view of part A in the diagram;

[0058] Figure 14is a structural schematic diagram of an embodiment of the conductive shielding plate of the present application.

[0059] Figure 15 is a structural schematic diagram of an embodiment of the signal terminal of the present application. DETAILED DESCRIPTION

[0060] The present application will be described in detail below in conjunction with the embodiments shown in the drawings. However, the embodiments do not limit the present application, and the structural, method, or functional changes made by those of ordinary skill in the art based on the embodiments are included in the protection scope of the present application.

[0061] The first direction, the second direction, and the mating direction defined in the present application are all based on Figure 1 , wherein Figure 1 the X direction shown in the figure is the first direction, the Y direction perpendicular to the X direction is the second direction, and the Z direction perpendicular to the X direction and the Y direction is the mating direction.

[0062] In order to ensure the isolation between the adjacent terminal groups of the connector and the uniform grounding of the ground terminals in the terminal group, the shielding plate is arranged on one side surface of the terminal group at present, and the shielding plate is in contact with the ground terminals to achieve the uniform grounding.

[0063] The shielding plate of the conventional connector is connected with the ground terminal in a buckle manner, wherein the buckle towards the ground terminal is arranged on the shielding plate, and the corresponding buckle hole is arranged on the ground terminal, and the buckle and the buckle hole are in interference fit to achieve the contact connection. This fixing manner cannot guarantee the contact stability and the fixing firmness of the grounding assembly and the ground terminal, and has certain influence on the transmission speed; meanwhile, the buckle hole needs to be arranged on each ground terminal, and the grounding assembly also needs to be arranged with the one-to-one corresponding buckle structure, which is high in production cost, complicated in steps, and low in yield.

[0064] In order to solve the above problems, the applicant provides a new type of connector assembly, the terminal group of which can guarantee the stable contact of the ground terminals and the grounding assembly, the grounding assembly is fixed firmly, so as to guarantee the stable transmission speed, which can reach 56G high-speed transmission.

[0065] Specifically, please refer to Figure 1 , Figure 1 is a structural schematic diagram of an embodiment of the connector assembly of the present application.

[0066] As shown in Figure 1 , the connector assembly comprises a connector 1a and a mating connector 1b which is mated with the connector 1a.

[0067] The connector 1a comprises a plurality of terminal groups 10a arranged at equal intervals along the second direction Y and an insulating seat 20a for fixing the terminal groups 10a. Each terminal group 10a comprises a plurality of terminals 100a arranged at equal intervals along the first direction X.

[0068] The mating connector 1b comprises a plurality of mating terminal groups 10b arranged at equal intervals along the second direction Y and a mating insulating seat 20b for fixing the mating terminal groups 10b. Each mating terminal group 10b comprises a plurality of mating terminals 100b arranged at equal intervals along the first direction X, and each mating terminal 100b corresponds to each terminal 100a.

[0069] It can be understood that when the connector 1a and the mating connector 1b are mated, the corresponding mating terminals 100b and the terminals 100a are in contact to realize electrical connection.

[0070] The structure of the terminal group 10a will be described in detail below to illustrate the fixing mode of the grounding assembly in the present application. Please refer to Figure 2 and Figure 3 , Figure 2 is a structural schematic diagram of an embodiment of the terminal group of the present application, Figure 3 is a structural schematic diagram of an embodiment of the terminal of the terminal group of the present application.

[0071] As shown in Figure 2 and Figure 3 , the terminal group 10a comprises a plurality of terminals 100a arranged at equal intervals along the first direction x.

[0072] The plurality of terminals 100a comprises a plurality of grounding terminals 1000 and a plurality of signal terminals 2000. The grounding terminal 1000 comprises a grounding contact segment 101a, a grounding fixing segment 102a and a grounding mounting segment 103a connected in sequence. The signal terminal 2000 comprises a signal contact segment 101A, a signal fixing segment 102A and a signal mounting segment 103A connected in sequence.

[0073] In an embodiment, the grounding terminal 1000 and the signal terminal 2000 can be a planar structure located in the same plane, and the extension directions thereof can be consistent. Specifically, as shown in the drawings, the grounding contact segment 101a of the grounding terminal 1000 can extend along the mating direction Z, the width direction of the grounding contact segment 101a can be parallel to the first direction x, the grounding mounting segment 103a can extend along the first direction x, and the width direction of the grounding mounting segment 103a can be parallel to the mating direction Z.

[0074] Correspondingly, the signal contact section 101A of the signal terminal 2000 can extend along the mating direction Z, the width direction of the signal contact section 101A can be parallel to the first direction x, and the signal mounting section 103A can extend along the first direction x, and the width direction of the signal mounting section 103A can be parallel to the mating direction Z.

[0075] In other embodiments, the ground terminal 1000 can also be a three-dimensional structure not located in a single plane, and the signal terminal 2000 can also be a three-dimensional structure not located in a single plane. For example, the ground contact section 101a of the ground terminal 1000 can extend along the mating direction Z, the width direction of the ground contact section 101a can be parallel to the first direction x, and the ground mounting section 103a can extend along the second direction y, and the width direction of the ground mounting section 103a can be parallel to the mating direction Z, thereby forming a curved L-shaped terminal.

[0076] Correspondingly, the signal contact section 101A of the signal terminal 2000 can extend along the mating direction Z, the width direction of the signal contact section 101A can be parallel to the first direction x, and the signal mounting section 103A can extend along the second direction y, and the width direction of the signal mounting section 103A can be parallel to the mating direction Z, thereby forming a curved L-shaped terminal.

[0077] Alternatively, in other embodiments, the ground mounting section 103a of the ground terminal 1000 and the signal mounting section 103A of the signal terminal 2000 can also not extend along the second direction y, for example, the ground mounting section 103a of the ground terminal 1000 can also be arranged to cross the extension direction of the ground contact section 101a, and the signal mounting section 103A of the signal terminal 2000 can also be arranged to cross the extension direction of the signal contact section 101A, and both can achieve the effect of the present embodiment, which is not limited here.

[0078] In an embodiment, a pair of signal terminals 2000 are arranged between adjacent ground terminals 1000, and the pair of signal terminals 2000 form a signal pair. In other embodiments, the number of terminals in a signal pair can be adjusted based on actual conditions, and a ground terminal 1000 is arranged between adjacent signal pairs, and both can achieve the effect of the present embodiment.

[0079] The terminal group 10a further includes an insulator 200a, the ground fixing section 102a of the ground terminal 1000 and the signal fixing section 102A of the signal terminal 2000 are held in the insulator 200a, and the insulator 200a includes a first surface 201 and a second surface 202 (not shown in the figure) arranged opposite to each other.

[0080] In order to realize the shielding between the adjacent terminal groups 10a and ensure the signal interference shielding effect, the first surface 201 is further provided with a conductive shielding plate 300a.

[0081] Specifically, the ground fixing section 102a of each ground terminal 1000 is provided with a first opening 1001, the conductive shielding plate 300a is provided with a second opening 3001 corresponding to the first opening 1001, and the insulator 200a is further provided with a hollow area 2001 exposing the first opening 1001.

[0082] The corresponding first opening 1001 and second opening 3001 are provided with a conductive fixing member 400, which is used to fix the ground terminal 1000 in interference fit and tightly contact with the conductive shielding plate 300a, so as to ensure the stability of the ground transmission.

[0083] In one embodiment, please refer to Figures 4 to 6 , Figure 4 is another perspective structural schematic diagram of an embodiment of the terminal group of the application, Figure 5 is a sectional structural schematic diagram of an embodiment of the terminal group of the application, Figure 6 is a structural schematic diagram of an embodiment of the conductive fixing member of the application.

[0084] As Figures 4 to 6 shown, the conductive fixing member 400 can include a rivet 401, the outer wall of the rivet 401 can be fixed in interference fit with the hole wall of the first opening 1001, and one end of the rivet 401 can tightly contact with the conductive shielding plate 300a, so as to ensure the stable connection between the conductive shielding plate 300a and the ground terminal 1000.

[0085] Specifically, the rivet 401 is provided with a first pressing table 402 close to one end of the first surface 201, and a second pressing table 403 close to one end of the second surface 202; the first pressing table 402 tightly presses the conductive shielding plate 300a in the direction of the first surface 201 pointing to the second surface 202, and the second pressing table 403 tightly presses the ground terminal 1000 in the direction of the second surface 202 pointing to the first surface 201, so as to stably fix the conductive shielding plate 300a and the ground terminal 1000.

[0086] The outer wall of the rivet 401 is provided with a ring-shaped clamping groove 404, and the hole wall of the first opening 1001 is provided with a ring-shaped protrusion 1002 embedded in the clamping groove 404, so that the ground terminal 1000 is clamped in the clamping groove 404, ensuring the stable fixation of the ground terminal 1000 and the rivet 401, and accordingly realizing the stable connection between the ground terminal 1000 and the conductive shielding plate 300a, and ensuring the grounding effect.

[0087] To further improve the fixing stability of the rivet 401 and the grounding terminal 1000, the clamping groove 404 can include a groove bottom surface 4041 and first and second side walls 4042 and 4043 arranged on both sides of the groove bottom surface 4041.

[0088] The first side wall 4042 is arranged on the side close to the conductive shielding plate 300a, and the first side wall 4042 can be arranged to be inclined away from the groove bottom surface 4041 towards the side of the conductive shielding plate 300a, and the second side wall 4043 can be arranged to be inclined away from the groove bottom surface 4041 towards the side away from the conductive shielding plate 300a, so that the caliber of the clamping groove 404 gradually increases away from the rivet 401.

[0089] The annular protrusion 1002 can include first and second inclined surfaces 1003 and 1004 with the same inclination direction as the first and second side walls 4042 and 4043, thereby further improving the clamping stability of the rivet 401.

[0090] To limit the grounding terminal 1000 when the rivet 401 is riveted, the clamping groove 404 of the rivet 401 can further include a limiting wall 4044 arranged on the periphery of the first side wall 4042, which is arranged perpendicular to the axial direction of the rivet 401, and the inner edge of the limiting wall 4044 is connected to the outer edge of the first side wall 4042, so that the limiting wall 4044 can be tightly interfered with the side of the grounding terminal 1000 facing the conductive shielding plate 300a, to prevent the grounding terminal 1000 from sliding downward under force during riveting, which helps to improve the signal and improve the signal stability.

[0091] In the above embodiment, only one first opening 1001 is provided on each grounding terminal 1000, and in other embodiments, the number of openings on the grounding terminal 1000 can be selected based on actual working conditions, for example, openings can be provided at both ends and the middle of the grounding fixing section 102a of each grounding terminal 1000, which can realize stable fixation of the conductive shielding plate 300a and stable contact with each grounding terminal 1000.

[0092] It should be noted that the above embodiment only exemplarily introduces a setting mode of the clamping groove 404, and in other embodiments, the clamping groove 404 can also be arranged on the outer wall of the rivet 401 in other ways, for example, two rows of rib structures can be directly provided on the outer wall of the rivet 401 to form the clamping groove 404, which can achieve the effect of the present embodiment.

[0093] In another embodiment, the conductive fixing member 400 can also not adopt the rivet 401 structure, for example, an elastic member structure can also be adopted, please refer to Figures 7 to 9 , Figure 7 is a structure schematic view of another embodiment of a terminal group of the present application, Figure 8 isFigure 7 Fig. 4 is a sectional view of the conductive fixing member 400 along the middle B-B plane, Figure 9 Fig. 5 is a structural schematic diagram of another embodiment of the conductive fixing member of the present application.

[0094] As shown in the figure, the conductive fixing member 400 can include an elastic tube 407, which can include an expanded section 408 located in the middle part. The tube wall of the elastic tube 407 can be provided with a third notch 409 extending from one end to the other end in the axial direction, so that the expanded section 408 can expand outward to press the hole wall of the first opening 1001, ensuring the interference fit fixation of the elastic tube 407 and the hole wall of the first opening 1001.

[0095] Further, in order to facilitate the expansion of the expanded section 408, a plurality of through holes 410 can be arranged on the expanded section 408 in the axial direction.

[0096] In the present embodiment, the second pressing table 403 can be sleeved on one end of the elastic tube 407, and the first pressing table 402 can be composed of the other end of the elastic tube 407.

[0097] Specifically, the other end of the elastic tube 407 can be provided with a plurality of fourth notches 411 distributed at intervals to separate the other end of the elastic tube 407 into a plurality of elastic pressing pieces 412, which can be outwardly turned to form the first pressing table 402.

[0098] It should be noted that the above embodiments only exemplarily list two specific embodiments of the conductive fixing member 400 including a rivet 401 and an elastic tube 407. In other embodiments, the conductive fixing member can also adopt other structural forms, which can realize the interference fit fixation of the outer wall of the conductive fixing member 400 and the hole wall of the first opening 1001, while ensuring the stable connection of the conductive fixing member 400 and the conductive shielding plate 300a, and can achieve the effect of the present embodiment,

[0099] Next, the other structures of the terminal group of the present application will be introduced in detail taking the conductive fixing member 400 including a rivet 401 as an example. It should be noted that the technical solutions involved in the following embodiments can be applied to the embodiments of the conductive fixing member 400 including an elastic tube 407, which will not be introduced here.

[0100] In order to further improve the fixing firmness of the structure, please refer to Figure 2 and Figure 10 , Figure 10 is Figure 2 a sectional view of the conductive fixing member 400 along the middle A-A plane.

[0101] As Figure 2 and Figure 10As shown, the insulator 200a is further provided with a protrusion 2003 extending towards the side of the conductive shielding plate 300a, the protrusion 2003 penetrates the conductive shielding plate 300a and cooperates with the conductive shielding plate 300a, thereby reinforcing the connection stability of the insulator 200a and the conductive shielding plate 300a in the second direction Y.

[0102] Please refer to Figure 11 , Figure 11 is a structural schematic diagram of another embodiment of the terminal set. In order to further realize the common grounding of each grounding terminal 1000 in the terminal set 10a, the terminal set 10a further comprises a grounding strip 500, the grounding strip 500 is arranged on the second surface 202 and extends in the first direction x, and the grounding strip 500 is provided with a third opening 501 corresponding to the first opening 1001, the rivet 401 further penetrates the corresponding third opening 501, and the second pressing table 403 presses the grounding strip 500 in the direction of the first surface 201 along the second surface 202, so that the grounding strip 500 and each grounding terminal 1000 are tightly attached, and the unified grounding of each grounding terminal 1000 is realized.

[0103] Please refer to 12, Figure 12 is Figure 11 is a sectional view of the C-C plane in FIG. 12. In order to improve the tightness of the attachment of the grounding strip 500 and each grounding terminal 1000, the grounding strip 500 is provided with a recessed portion 502 embedded in the hollow area 2001, the bottom surface of the recessed portion 502 is in contact with the grounding terminal 1000, the third opening 501 is arranged on the bottom surface of the recessed portion 502, and the second pressing table 403 is embedded in the recessed portion 502 to press the grounding strip 500. In an embodiment, the recessed depth of the recessed portion 502 can be 0.10-0.50 mm; in other embodiments, the depth of the recessed portion 502 can also be adjusted based on actual working conditions.

[0104] In order to improve the tightness of the attachment of the conductive shielding plate 300a and each grounding terminal 1000, the conductive shielding plate 300a is provided with a boss 3002 embedded in the hollow area 2001, the end surface of the boss 3002 is in contact with the grounding terminal 1000, and the second opening 3001 penetrates the boss 3002. In an embodiment, the protrusion height of the boss 3002 can be 0.10-0.50 mm, and in other embodiments, the protrusion height of the boss 3002 can also be adjusted based on actual working conditions.

[0105] Further, the side of the conductive shielding plate 300a away from the insulator 200a can also be provided with a groove 3003 corresponding to the rivet 401, so that the first pressing table 402 is embedded in the corresponding groove 3003 to press the conductive shielding plate 300a, thereby improving the fixing stability. In an embodiment, the depth of the groove 3003 can be 0.10-0.50 mm, and in other embodiments, the depth of the groove 3003 can also be adjusted based on actual working conditions.

[0106] It can be understood that, in the above embodiment, in the second direction Y, the second pressing table 403, the recessed portion 502, the grounding terminal 1000, the boss 3002 and the first pressing table 402 are directly abutted with each other in sequence, and the rivet 401 is used to realize the purpose of the common grounding electrical connection of directly contacting the grounding strip 500, the grounding terminal 1000 and the conductive shielding plate 300a. And when viewed in the second direction Y, the rivet 401 overlaps the grounding strip 500, the grounding terminal 1000 and the conductive shielding plate 300a, and since each component is made of metal material, the insulator 200a can be protected during the fixing of the rivet 401, and the overall yield is not affected by the large deformation of the insulator 200a.

[0107] In order to improve the fixing stability of the conductive shielding plate 300a and facilitate the arrangement of the grounding strip 500, the first opening 1001 is arranged in the grounding fixed section 102a of the grounding terminal 1000 close to one end of the grounding contact section 101a in the above embodiment, so as to fix the end of the conductive shielding plate 300a. Correspondingly, the grounding strip 500 is arranged close to one end of the grounding contact section 101a on the second surface 202.

[0108] Please refer to Figure 11 , in order to avoid the influence of the grounding strip 500 on the signal transmission of the signal terminal 2000 and improve the signal transmission speed, the end of the grounding strip 500 close to the grounding contact section 101a is provided with a plurality of first notches 503, and each first notch 503 is located at the gap of the orthogonal projection of the adjacent grounding terminal 1000 on the grounding strip 500. In one embodiment, the extension length of the first notch 503 in the first direction X can be 1.5-3.5mm, and the extension length in the third direction Z can be 0.2-1.2mm, so that the high transmission rate reaches 56G.

[0109] Further, please refer to Figure 2 , in order to avoid the influence of the conductive shielding plate 300a on the signal transmission of the signal terminal 2000 and improve the signal transmission speed, the end of the conductive shielding plate 300a close to the grounding contact section 101a can also be provided with a plurality of second notches 3004, and each second notch 3004 is located at the gap of the orthogonal projection of the adjacent grounding terminal 1000 on the conductive shielding plate 300a. In one embodiment, the extension length of the second notch 3004 in the first direction X can be 0.5-2.5mm, and the extension length in the third direction Z can be 0.2-2.2mm, so that the high transmission rate reaches 56G.

[0110] Please refer to Figure 11 、 Figure 13 and Figure 14 , Figure 13 is Figure 11 the partial enlarged view of A in FIG.Figure 14 is a structural schematic diagram of an embodiment of the conductive shielding plate of the present application. In order to realize multi-point contact between the conductive shielding plate 300a and the grounding terminal 1000, and facilitate positioning of the conductive shielding plate 300a during installation, the insulator 200a is further provided with a plurality of opening regions 2002, each of which is covered by a projection of a grounding terminal 1000 on the first surface 201.

[0111] Specifically, the plurality of opening regions 2002 are divided into a plurality of groups, each group corresponding to a grounding terminal 1000, and the plurality of opening regions 2002 in each group can be uniformly arranged along the extension direction of the corresponding grounding terminal 1000. The surface of the conductive shielding plate 300a can be provided with a protruding portion 3005 embedded in the opening region 2002.

[0112] The end face of the protruding portion 3005 can be arranged parallel to the surface of the grounding terminal 1000 in the second direction Y, but they do not contact each other. Further, the grounding terminal 1000 can be further provided with a fourth opening hole 1005 corresponding to the position of the opening region 2002, and a spring arm 1006 can be arranged in the fourth opening hole 1005. One end of the spring arm 1006 is connected to the inner wall of the fourth opening hole 1005, and the other end is pressed against the protruding portion 3005 in the direction of the first surface 201 from the second surface 202, thereby further improving the connection stability of the grounding terminal 1000 and the conductive shielding plate 300a. Through the above arrangement, the signal transmission performance can be improved while ensuring the connection stability.

[0113] It can be understood that in other embodiments, the end face of the protruding portion 3005 can be directly connected to the grounding terminal 1000 based on actual working conditions, thereby ensuring the connection stability of the grounding terminal 1000 and the conductive shielding plate 300a.

[0114] In one embodiment, in order to further improve the signal crosstalk, the width of the signal contact section 101A of the signal terminal 2000 is not constant.

[0115] Please refer to Figure 15 , Figure 15 is a structural schematic diagram of an embodiment of the signal terminal of the present application. As shown in the figure, the signal contact section 101A of the signal terminal 2000 includes an extension portion 1011A and a contact portion 1012A arranged in sequence in the direction away from the signal fixing section 102A. The width CD of the contact portion 1012A is greater than the width AB of the extension portion 1011A, so as to improve the signal crosstalk.

[0116] The above embodiment only takes the connector 1a as an example to describe in detail a terminal group structure capable of effectively improving grounding effect and signal transmission speed, wherein the terminal group structure of the mating connector 1b can be the same as or different from that of the connector 1a, and both can achieve the effect of the embodiment.

[0117] The above description of the disclosure is provided to enable any person skilled in the art to implement or use the disclosure. Various modifications to the disclosure will be apparent to those skilled in the art, and the general principles defined herein can also be applied to other variations without departing from the scope of protection of the disclosure. Therefore, the disclosure is not limited to the examples and designs described herein, but is consistent with the broadest scope of the principles and novel features disclosed herein.

Claims

1. A terminal assembly, characterized in that, include: A plurality of grounding terminals are arranged at intervals along a first direction. Each grounding terminal includes a grounding contact section and a grounding fixing section arranged in sequence. Each grounding terminal has at least one first opening on the grounding fixing section. An insulator, wherein the grounding fixing section is fixed inside the insulator, the insulator includes a first surface and a second surface arranged opposite to each other, and the insulator has a hollow area that exposes the first opening; A conductive shielding plate is arranged on the first surface, and the conductive shielding plate is provided with second openings that correspond one-to-one with the first openings; A conductive fastener is provided through the corresponding first opening and second opening. The outer wall of the conductive fastener is fixed with the hole wall of the first opening by interference fit, and one end of the conductive fastener is tightly attached to the conductive shielding plate. A first pressure plate is provided at the end of the conductive fastener near the first surface. The first pressure plate presses the conductive shielding plate in the direction from the first surface to the second surface. A second pressure plate is provided at the end of the conductive fastener near the second surface. The second pressure plate presses the grounding terminal and / or insulator in the direction from the second surface to the first surface.

2. The terminal assembly according to claim 1, characterized in that, It also includes a grounding strip, which is arranged on the second surface and has a third opening that corresponds one-to-one with the first opening. The conductive fastener also passes through the corresponding third opening and is tightly attached to the grounding strip at the other end.

3. The terminal group according to claim 2, characterized in that, At least one first opening of each of the grounding terminals is arranged at the end of the grounding fixing section near the grounding contact section, the grounding strip is arranged on the second surface near one end of the grounding contact section, and the grounding strip is provided with at least one first notch on the side near the grounding contact section, the first notch being located at the gap of the orthographic projection of the adjacent grounding terminal on the grounding strip.

4. The terminal assembly according to claim 2, characterized in that, The conductive fastener has a first pressure plate at one end near the first surface and a second pressure plate at one end near the second surface. The first pressure plate presses the conductive shielding plate along the direction from the first surface to the second surface, and the second pressure plate presses the grounding strip along the direction from the second surface to the first surface.

5. The terminal assembly according to claim 4, characterized in that, The grounding bar has a recessed portion embedded in the hollow area. The bottom surface of the recessed portion is in close contact with the grounding terminal. The third opening is provided on the bottom surface of the recessed portion. The second pressure plate is embedded in the recessed portion to press the grounding bar.

6. The terminal group according to claim 1, characterized in that, The conductive shielding plate has at least one second notch on the side near the grounding contact section, and the second notch is located at the gap of the orthographic projection of the adjacent grounding terminal on the conductive shielding plate.

7. The terminal assembly according to claim 1, characterized in that, The conductive shielding plate has a groove surrounding the second opening on the side opposite to the insulator, and the first pressure plate is embedded in the corresponding groove to press the conductive shielding plate.

8. The terminal assembly according to claim 1 or 4, characterized in that, The conductive fastener includes an internally hollow elastic tube, which includes an expansion section located in the middle. The tube wall has a third notch extending axially from one end to the other, so that the expansion section can expand outward to press against the wall of the first opening.

9. The terminal assembly according to claim 8, characterized in that, The expanded section is provided with several through holes arranged at intervals along the circumference.

10. The terminal assembly according to claim 8, characterized in that, The second pressure plate is sleeved on one end of the elastic tube, and the other end of the elastic tube is provided with a number of fourth notches distributed circumferentially to divide the other end of the elastic tube into a number of elastic pressure plates. The elastic pressure plates are turned outward to form the first pressure plate.

11. The terminal assembly according to claim 1 or 4, characterized in that, The conductive fastener includes a rivet, with a first pressure plate and a second pressure plate integrally formed at both ends of the rivet. The outer wall of the rivet is provided with a ring-shaped groove, and the inner wall of the first opening is provided with a ring-shaped protrusion that is embedded in the groove.

12. The terminal group according to claim 11, characterized in that, The slot includes a bottom surface and a first sidewall and a second sidewall disposed on both sides of the bottom surface. The first sidewall is disposed near the conductive shielding plate and is inclined toward the conductive shielding plate in a direction away from the bottom surface. The second sidewall is inclined toward the side away from the conductive shielding plate in a direction away from the bottom surface, so that the diameter of the slot gradually increases in a direction away from the rivet. The annular protrusion includes a first inclined surface and a second inclined surface with the same inclination direction as the first sidewall and the second sidewall, respectively.

13. The terminal assembly according to claim 12, characterized in that, The slot also includes a limiting wall arranged around the periphery of the first side wall. The limiting wall is arranged perpendicular to the axial direction of the rivet, and the inner edge of the limiting wall is connected to the outer edge of the first side wall. The limiting wall and the side of the grounding terminal facing the conductive shielding plate are closely interfering with each other.

14. The terminal group according to claim 1, characterized in that, The conductive shielding plate is provided with a boss embedded in the hollow area, the end face of the boss is fitted to the grounding terminal, and the second opening is provided through the boss.

15. The terminal assembly according to claim 1, characterized in that, The insulator has a plurality of openings, and the orthographic projection of each opening onto the first surface is covered by the orthographic projection of a grounding terminal onto the first surface. The conductive shielding plate has a protrusion embedded in the opening, and the end face of the protrusion is in contact with the grounding terminal.

16. The terminal assembly according to claim 15, characterized in that, The grounding terminal is provided with a fourth opening at the position corresponding to the opening area. A spring arm is provided inside the fourth opening. One end of the spring arm is connected to the inner wall of the fourth opening, and the other end presses against the protrusion along the direction from the second surface to the first surface.

17. The terminal assembly according to claim 1, characterized in that, It also includes a plurality of signal terminals, which are arranged at intervals along the first direction. The signal terminals are arranged between adjacent grounding terminals and include a signal fixing section fixed in the insulator and a signal contact section extending out of the insulator. The signal contact section includes an extension portion and a contact portion arranged sequentially in a direction away from the signal fixing section, and the width of the contact portion is greater than that of the extension portion.

18. A terminal assembly, characterized in that, include: A grounding terminal includes a grounding contact section and a grounding fixing section arranged sequentially, wherein the grounding fixing section is provided with at least one first opening; An insulator, wherein the grounding fixing section is fixed inside the insulator, the insulator includes a first surface and a second surface arranged opposite to each other, and the insulator has a hollow area that exposes the first opening; A conductive shielding plate is disposed on the first surface, and the conductive shielding plate is provided with second openings that correspond one-to-one with the at least one first opening; A rivet passes through the corresponding first and second openings to connect the conductive shielding plate and the grounding terminal. The outer wall of the rivet is provided with an annular groove that matches the wall of the first opening and a limiting wall arranged around the groove. The inner edge of the limiting wall is connected to the outer edge of the groove wall so that the limiting wall and the side of the grounding terminal facing the conductive shielding plate are closely interfering with each other.

19. The terminal assembly according to claim 18, characterized in that, The first opening wall is provided with a ring-shaped protrusion that is embedded in the slot; the slot includes a bottom surface and a first sidewall and a second sidewall disposed on both sides of the bottom surface of the slot. The first sidewall is arranged on the side close to the conductive shielding plate, and the first sidewall is inclined towards the conductive shielding plate in a direction away from the bottom surface of the slot. The second sidewall is inclined away from the conductive shielding plate in a direction away from the bottom surface of the slot, so that the diameter of the slot gradually increases in a direction away from the rivet. The ring-shaped protrusion includes a first inclined surface and a second inclined surface that are in the same inclination direction as the first sidewall and the second sidewall, respectively.

20. The terminal assembly according to claim 18, characterized in that, It also includes a grounding bar, which is arranged on the second surface and has a third opening that corresponds one-to-one with the first opening. The rivet also passes through the corresponding third opening. The rivet has a first pressing platform and a second pressing platform integrally formed at both ends. The first pressing platform presses the conductive shielding plate along the direction from the first surface to the second surface, and the second pressing platform presses the grounding bar along the direction from the second surface to the first surface.

21. A terminal assembly, characterized in that, include: Several grounding terminals are arranged at intervals along a first direction; An insulator, wherein the grounding terminal portion is fixed inside the insulator, and the insulator includes a first surface and a second surface disposed opposite to each other; A conductive shielding plate is disposed on the first surface; A grounding strip, the grounding strip being disposed on the second surface; The conductive fixing component has corresponding openings provided for the conductive shielding plate, each of the grounding terminals and the grounding strip to pass through in sequence. The outer wall of the conductive fixing component is interference-fitted with the hole wall of the opening of the grounding terminal, and both ends of the conductive fixing component are tightly attached to the conductive shielding plate and the grounding strip respectively.

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