Electrical connectors and connector assemblies

Abstract

An electrical connector includes a housing, a terminal module, and a mounting block. The terminal module includes a first conductive terminal, which includes a first contact portion and a first tail portion. The mounting block is mounted on the terminal module. The mounting block includes insulating plastic and a first adapter terminal disposed within the insulating plastic. The first adapter terminal includes a terminal portion and an elastic element abutting against the terminal portion. The first adapter terminal is electrically connected to the first tail portion of the first conductive terminal. The terminal portion is configured to move along the extension / retraction direction of the elastic element. This invention also discloses a connector assembly having the aforementioned electrical connector. This invention optimizes the structural design by incorporating the first adapter terminal.

Description

Technical Field

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

[0002] Connector assemblies in related technologies typically include mating male connectors and female connectors. The female connector is generally used for mounting on a circuit board. The female connector typically includes a housing, a plurality of female terminal modules mounted within the housing, and a mounting plate that mates with the housing to limit the movement of the female terminal modules. Each female terminal module includes an insulating plate, a plurality of female signal terminals fixed within the insulating plate, a plurality of female ground terminals fixed within the insulating plate, a first shielding plate located on one side of the female signal terminals and the female ground terminals, and a second shielding plate located on the other side of the female signal terminals and the female ground terminals.

[0003] The female signal terminal has an integrally extended terminal mounting pin configured for mounting on the circuit board. However, there is still room for improvement in the terminal mounting pins of related technologies. Utility Model Content

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

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

[0006] The housing is provided with a mounting slot;

[0007] A terminal module, at least partially disposed in the mounting slot; the terminal module includes a first conductive terminal, the first conductive terminal including a first contact portion and a first tail portion; and

[0008] Mounting block, the mounting block is mounted on the terminal module, the mounting block includes insulating plastic and a first adapter terminal disposed in the insulating plastic, the first adapter terminal includes a terminal portion and an elastic element abutting against the terminal portion;

[0009] The first adapter terminal is electrically connected to the first tail portion of the first conductive terminal, and the terminal portion is configured to move along the extension and retraction direction of the elastic element.

[0010] As a further improvement of the present invention, the first adapter terminal is in contact with the first tail portion of the first conductive terminal.

[0011] As a further improvement of the present invention, the first adapter terminal includes a cylindrical portion, and the elastic element is at least partially housed in the cylindrical portion, and the terminal portion is able to float relative to the cylindrical portion under the action of the elastic element.

[0012] As a further improvement of the present invention, the terminal portion is provided with a contact arc surface, which is configured to elastically abut against the first conductive sheet of the circuit board.

[0013] As a further improvement of the present invention, the mounting block includes a mounting base, the mounting base having a through hole, and the insulating plastic being housed in the through hole.

[0014] As a further improvement of this utility model, the mounting base is provided with a positioning recessed groove located beside the through hole, and the insulating plastic includes a positioning protrusion, which is inserted into the positioning recessed groove.

[0015] As a further improvement of the present invention, the insulating plastic includes a base, the base having a first end face, a second end face opposite to the first end face, a first terminal receiving hole penetrating the first end face and the second end face, and a groove recessed from the second end face to the first end face; the first terminal receiving hole is connected to the groove; the cylindrical portion protrudes into the groove and does not protrude from the second end face, and the terminal portion protrudes from the first end face.

[0016] As a further improvement of this utility model, the terminal module includes a first terminal module, a first grounding module, a second grounding module, a first shielding plate, and a second shielding plate; the first grounding module is located on a first side of the first terminal module, the second grounding module is located on a second side of the first terminal module, the first shielding plate is located on a third side of the first terminal module, and the second shielding plate is located on a fourth side of the first terminal module; the first side and the second side are arranged opposite to each other, and the third side and the fourth side are arranged opposite to each other; the first conductive terminal is disposed on the first terminal module;

[0017] The first grounding module includes a plurality of first grounding plates stacked together; the first grounding plates, the second grounding module, the first shielding plate, and the second shielding plate together form a shielding cavity;

[0018] The first terminal module is at least partially housed within the shielding cavity.

[0019] As a further improvement of the present invention, the second grounding module includes a plurality of second grounding plates stacked together, and the shielding cavity is formed by the first grounding plate, the second grounding plate, the first shielding plate and the second shielding plate.

[0020] As a further improvement of the present invention, the first shielding plate includes at least one first shielding sheet, and the first shielding sheet is provided with a first shielding portion;

[0021] The second shielding plate includes at least one second shielding sheet, and the second shielding sheet is provided with a second shielding portion;

[0022] The first shielding part is provided with a first mounting pin and a second mounting pin, and the second shielding part is provided with a third mounting pin and a fourth mounting pin. The first mounting pin, the second mounting pin, the third mounting pin and the fourth mounting pin are all configured to be mounted on a circuit board.

[0023] As a further improvement of the present invention, the first shielding part and the second shielding part form a shielding space, and the first tail of the first conductive terminal is located in the shielding space.

[0024] As a further improvement of the present invention, the terminal module includes an extended shielding shell assembly, which includes a first extended shielding sheet, a second extended shielding sheet opposite to the first extended shielding sheet, a first connecting shielding sheet, and a second connecting shielding sheet opposite to the first connecting shielding sheet; the first extended shielding sheet, the second extended shielding sheet, the first connecting shielding sheet, and the second connecting shielding sheet together form a shielding cavity, and the first contact portion of the first conductive terminal is at least partially located in the shielding cavity.

[0025] As a further improvement of the present invention, the extended shielding shell assembly includes a first spring sheet group fixed to the inner side of the first connecting shielding sheet, a second spring sheet group fixed to the inner side of the second connecting shielding sheet, a first abutting spring sheet fixed to the inner side of the first extended shielding sheet, and a second abutting spring sheet fixed to the inner side of the second extended shielding sheet; the first spring sheet group, the second spring sheet group, the first abutting spring sheet, and the second abutting spring sheet are each provided with at least one elastic arm that at least partially protrudes into the shielding cavity.

[0026] As a further improvement of the present invention, the terminal module includes a shielding sleeve fitted onto the first terminal module, the shielding sleeve being in contact with the first grounding module and the second grounding module, and the extended shielding housing assembly being in contact with the shielding sleeve.

[0027] This utility model also discloses a connector assembly, which includes:

[0028] An electrical connector, wherein the electrical connector is the aforementioned electrical connector; and

[0029] A circuit board, wherein the circuit board is provided with a first conductive sheet;

[0030] The terminal portion of the electrical connector is in elastic contact with the first conductive sheet of the circuit board.

[0031] As a further improvement of the present invention, the circuit board is provided with a first mounting through hole and a second mounting through hole;

[0032] The electrical connector includes a mounting module, which includes the terminal module, a first mounting plate located on one side of the terminal module, and a second mounting plate located on the other side of the terminal module. Both the first mounting plate and the second mounting plate are metal mounting plates. The first mounting plate is provided with a first positioning protrusion inserted into the first mounting through hole, and the second mounting plate is provided with a second positioning protrusion inserted into the second mounting through hole.

[0033] As a further improvement of the present invention, the connector assembly includes a mounting bracket mounted on the electrical connector and a fixing member for fixing the mounting bracket to the electrical connector.

[0034] As a further improvement of the present invention, the mounting bracket includes a mounting portion, a first raised portion protruding from the mounting portion, and a second raised portion protruding from the mounting portion; the mounting portion is provided with a mounting surface, a plurality of supporting ribs protruding from the mounting surface, and mounting protrusions protruding from the mounting surface; the supporting ribs are configured to support the electrical connector, and the mounting protrusions are configured to be inserted into the first mounting plate and the second mounting plate; the first raised portion is provided with a first mounting through hole, and the second raised portion is provided with a second mounting through hole.

[0035] Compared to existing technologies, the electrical connector and connector assembly of this invention include a first conductive terminal and a first adapter terminal. The first adapter terminal includes a terminal portion and an elastic element that abuts against the terminal portion. The first adapter terminal is electrically connected to a first tail portion of the first conductive terminal, and the terminal portion is configured to move along the extension / retraction direction of the elastic element. This invention optimizes the structural design by incorporating the first adapter terminal. Attached Figure Description

[0036] Figure 1 This is a perspective view of the connector assembly of this utility model in one embodiment;

[0037] Figure 2yes Figure 1 A three-dimensional diagram from another angle;

[0038] Figure 3 yes Figure 2 Further partial exploded view;

[0039] Figure 4 yes Figure 3 A magnified view of part B circled in the middle;

[0040] Figure 5 This is a partial exploded perspective view of the connector assembly of this utility model, in which the circuit board is separated.

[0041] Figure 6 yes Figure 5 A magnified view of the circled area C;

[0042] Figure 7 It is to remove Figure 5 A further exploded 3D view of the circuit board in the image;

[0043] Figure 8 This is a partial exploded 3D view of an electrical connector;

[0044] Figure 9 yes Figure 8 A magnified view of the circled area D;

[0045] Figure 10 yes Figure 8 Partial 3D exploded view from another angle;

[0046] Figure 11 This is a partial exploded 3D view of an installation module;

[0047] Figure 12 yes Figure 11 Partial 3D exploded view from another angle;

[0048] Figure 13 yes Figure 12 A magnified view of the circled area E;

[0049] Figure 14 yes Figure 11 Front view of a terminal module;

[0050] Figure 15 yes Figure 11 Rear view of one of the terminal modules;

[0051] Figure 16 yes Figure 11 Left view of one of the terminal modules;

[0052] Figure 17 yes Figure 11 Right view of one of the terminal modules;

[0053] Figure 18 yes Figure 11 A partial exploded perspective view of one of the terminal modules;

[0054] Figure 19 yes Figure 18 A magnified view of the circled area F;

[0055] Figure 20 yes Figure 18 Partial 3D exploded view from another angle;

[0056] Figure 21 It is to remove Figure 18 A further exploded three-dimensional view of the insulating plate in the middle;

[0057] Figure 22 yes Figure 21 Partial 3D exploded view from another angle;

[0058] Figure 23 yes Figure 18 Partial exploded 3D diagram;

[0059] Figure 24 yes Figure 23 Further partial exploded view;

[0060] Figure 25 This is a partial exploded perspective view of an extended shielding housing assembly;

[0061] Figure 26 yes Figure 25 Partial 3D exploded view from another angle;

[0062] Figure 27 This is a partial exploded 3D view of the mounting block;

[0063] Figure 28 yes Figure 27 Partial 3D exploded view from another angle;

[0064] Figure 29 yes Figure 27 Further exploded view;

[0065] Figure 30 yes Figure 29 A three-dimensional exploded view from another angle;

[0066] Figure 31 It is along Figure 1 Schematic diagram of the cross section of the GG line;

[0067] Figure 32 yes Figure 31 A magnified view of the middle frame section H. Detailed Implementation

[0068] The exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. If several embodiments exist, features in these embodiments may be combined with each other without conflict. When the description refers to the drawings, unless otherwise stated, the same numbers in different drawings represent the same or similar elements. The descriptions in the following exemplary embodiments do not represent all embodiments consistent with the present invention; rather, they are merely examples of apparatuses, products, and / or methods consistent with some aspects of the present invention as set forth in the claims.

[0069] The terminology used in this invention is for the purpose of describing particular embodiments only and is not intended to limit the scope of protection of this invention. The singular forms “a,” “the,” or “the” used in the specification and claims of this invention are also intended to include the plural forms, unless the context clearly indicates otherwise.

[0070] It should be understood that the terms "first," "second," and similar words used in the specification and claims of this utility model do not indicate any order, quantity, or importance, but are merely used to distinguish the features. Similarly, the terms "an" or "a" do not indicate a quantity limitation, but rather indicate the presence of at least one. Unless otherwise stated, the terms "before," "after," "upper," "lower," and similar words appearing in this utility model are for ease of explanation only and are not limited to a specific location or spatial orientation. The terms "comprising" or "including" are an open-ended expression, meaning that the element preceding "comprising" or "including" covers the element following "comprising" or "including" and its equivalents, which does not exclude that the element preceding "comprising" or "including" may also include other elements. In this utility model, the word "several" means two or more.

[0071] Please refer to Figures 1 to 32 As shown, this utility model discloses a connector assembly, which includes an electrical connector 100 and a circuit board 300 that mates with the electrical connector 100. In the embodiment illustrated in this utility model, the electrical connector 100 is a board-end backplane connector, which is used to be mounted on the circuit board 300 and electrically connected to the circuit board 300. In one embodiment of this utility model, the electrical connector 100 is fixed to the circuit board 300 by screws (not shown) to improve the fixing strength between the two.

[0072] Please combine Figure 3 , Figure 5 as well as Figure 6As shown, the circuit board 300 includes a first surface 301 (e.g., an upper surface), a second surface 302 (e.g., a lower surface) opposite to the first surface 301, a plurality of first conductive sheets 303 disposed on the first surface 301, a plurality of second conductive sheets 304 disposed on the first surface 301, and a plurality of mounting through holes 305 penetrating the first surface 301 and the second surface 302 along a second direction A2-A2 (e.g., a vertical direction). In the embodiment illustrated in this utility model, the plurality of first conductive sheets 303 and the plurality of second conductive sheets 304 are arranged at intervals along a first direction A1-A1 (e.g., a front-to-back direction) and a third direction A3-A3 (e.g., a left-to-right direction). In the embodiment illustrated in this utility model, the first direction A1-A1, the second direction A2-A2, and the third direction A3-A3 are mutually perpendicular. In the illustrated embodiment of this utility model, a first conductive sheet 303 and a second conductive sheet 304 arranged adjacent to each other along the third direction A3-A3 constitute a set of differential conductive sheets to improve the signal transmission rate. In the illustrated embodiment of this utility model, corresponding to a set of differential conductive sheets, the plurality of mounting through holes 305 include a first mounting through hole 3051, a second mounting through hole 3052, a third mounting through hole 3053, and a fourth mounting through hole 3054. The first mounting through hole 3051 and the third mounting through hole 3053 are located on one side (e.g., the right side) of the set of differential conductive sheets, and the second mounting through hole 3052 and the fourth mounting through hole 3054 are located on the other side (e.g., the left side) of the set of differential conductive sheets. In the embodiment illustrated in this utility model, the first mounting through hole 3051 and the second mounting through hole 3052 are respectively located on both sides of the first conductive sheet 303 along the first direction A1-A1, and the first mounting through hole 3051, the first conductive sheet 303, and the second mounting through hole 3052 are aligned along the first direction A1-A1. Similarly, the third mounting through hole 3053 and the fourth mounting through hole 3054 are respectively located on both sides of the second conductive sheet 304 along the first direction A1-A1, and the third mounting through hole 3053, the second conductive sheet 304, and the fourth mounting through hole 3054 are aligned along the first direction A1-A1. Furthermore, in the embodiment illustrated in this utility model, corresponding to a set of differential pair conductive sheets, the circuit board 300 also has a surrounding groove 306 located on the first surface 301 and surrounding the first conductive sheet 303 and the second conductive sheet 304. In the embodiment illustrated in this utility model, the surrounding groove 306 is approximately figure-eight shaped.The first mounting through hole 3051 and the third mounting through hole 3053 are located on one side (e.g., the right side) of the surrounding groove 306, and the second mounting through hole 3052 and the fourth mounting through hole 3054 are located on the other side (e.g., the left side) of the surrounding groove 306. In the embodiment illustrated in this utility model, the circuit board 300 further includes a first positioning through hole 3073 and a second positioning through hole 3074 penetrating the first surface 301 and the second surface 302 along the second direction A2-A2.

[0073] Please combine Figures 7 to 32 As shown in the illustrated embodiment of this utility model, the electrical connector 100 includes a housing 1, a mounting module 2 mounted on the housing 1, a retaining piece 3 that fixes the mounting module 2 to the housing 1, and a mounting block 4 mounted on the bottom of the housing 1 and cooperating with the mounting module 2.

[0074] Please combine Figure 7 , Figure 8 as well as Figure 10 As shown, in one embodiment of the present invention, the housing 1 is an insulating housing made of insulating material. The housing 1 includes a body portion 11, a first wall portion 12 extending rearward from one end (e.g., the upper end) of the body portion 11, and a second wall portion 13 extending rearward from the other opposite end (e.g., the lower end) of the body portion 11. The body portion 11 is provided with a mating surface 111 and a plurality of first terminal receiving slots 112 penetrating the mating surface 111 along the first direction A1-A1. In the embodiment illustrated in the present invention, the first terminal receiving slots 112 are rectangular and arranged in a generally matrix-like manner.

[0075] The first wall portion 12 is provided with a plurality of first slots 121 and a first locking groove 122 communicating with the first slots 121. The second wall portion 13 is provided with a plurality of second slots 131 and a second locking groove 132 communicating with the second slots 131. The first locking groove 122 extends upward through the first wall portion 12 along the second direction A2-A2. The second locking groove 132 extends downward through the second wall portion 13 along the second direction A2-A2. The first locking groove 122 and the second locking groove 132 are used to lock the front end of the mounting module 2 to prevent the mounting module 2 from detaching from the housing 1. The first slots 121 and the second slots 131, which are aligned with each other in the vertical direction, form a mounting slot 120 for receiving the corresponding part of the mounting module 2.

[0076] The housing 1 is further provided with a plurality of positioning protrusions 14 extending forward from the first wall portion 12 and the second wall portion 13 along the first direction A1-A1 and protruding from the mating surface 111. The positioning protrusions 14 are configured to cooperate with the mating connector (not shown) to achieve guidance and positioning.

[0077] Please combine Figure 7 as well as Figure 8 As shown in the illustrated embodiment of this utility model, the retaining plate 3 is made of metal. The retaining plate 3 includes a first retaining plate 31 and a second retaining plate 32. The first retaining plate 31 is provided with a plurality of first retaining grooves 311, and the second retaining plate 32 is provided with a plurality of second retaining grooves 321. The first retaining plate 31 and the second retaining plate 32 are perpendicular to each other.

[0078] Please combine Figure 11 as well as Figure 12 As shown in the illustrated embodiment of this utility model, the mounting module 2 includes a plurality of terminal modules 21, a first mounting plate 22 located on one side of the plurality of terminal modules 21, and a second mounting plate 23 located on the other side of the plurality of terminal modules 21. In other words, the plurality of terminal modules 21 are sandwiched between the first mounting plate 22 and the second mounting plate 23 along the third direction A3-A3. In one embodiment of this utility model, both the first mounting plate 22 and the second mounting plate 23 are metal mounting plates, that is, both the first mounting plate 22 and the second mounting plate 23 are made of metal material to improve shielding and increase structural strength.

[0079] In the embodiments illustrated in this utility model, each terminal module 21 is identical, and the following description will only take one terminal module 21 as an example.

[0080] Please combine Figures 11 to 32As shown, the terminal module 21 includes a plurality of terminal modules 211, a first grounding module 212 located on a first side (e.g., the outer side) of each terminal module 211, a second grounding module 213 located on a second side (e.g., the inner side) of each terminal module 211, a shielding sleeve 214 that mates with one end of the first grounding module 212 and one end of the second grounding module 213, a first shielding plate 215 located on one side of the terminal module 211, the first grounding module 212, and the second grounding module 213, a second shielding plate 216 located on the other side of the terminal module 211, the first grounding module 212, and the second grounding module 213, an insulating plate 219 fixed on the terminal module 211, the first grounding module 212, the second grounding module 213, the first shielding plate 215, and the second shielding plate 216, and an extended shielding housing assembly 26. The shielding sleeve 214 is at least partially fitted onto the terminal module 211. The extended shielding housing assembly 26 is located at the front end of the terminal module 21 and contacts the shielding sleeve 214 to improve the shielding effect. The first shielding plate 215 is located on the third side (e.g., the left side) of the terminal module 211, and the second shielding plate 216 is located on the fourth side (e.g., the right side) of the terminal module 211.

[0081] In one embodiment of this utility model, the insulating plate 219 is formed and fixed on the terminal module 211, the first grounding module 212, the second grounding module 213, the first shielding plate 215, and the second shielding plate 216. The insulating plate 219 includes a first locking protrusion 2191 at the top of the insulating plate 219, a first retaining protrusion 2192 at the top of the insulating plate 219 and at the rear end of the first locking protrusion 2191, a second locking protrusion 2193 at the bottom of the insulating plate 219, and a second retaining protrusion 2194 at the rear end of the insulating plate 219. The insulating plate 219 is configured to be inserted into a corresponding mounting slot 120. The first locking protrusion 2191 and the second locking protrusion 2193 are respectively locked into the first locking groove 122 and the second locking groove 132. The first retaining groove 311 of the first retaining piece 31 is engaged with the first retaining protrusion 2192, and the second retaining groove 321 of the second retaining piece 32 is engaged with the second retaining protrusion 2194.

[0082] Each terminal module 211 includes a first conductive terminal S1, a second conductive terminal S2, and an insulating fixing block 2111 fixed to at least the first conductive terminal S1 and the second conductive terminal S2.

[0083] Please combine Figure 23As shown, each conductive terminal on the terminal module 211 includes a first fixing portion 211a, a first extension portion 211d connected to one end of the first fixing portion 211a, a first contact portion 211b connected to the first extension portion 211d, and a first tail portion 211c connected to the other end of the first fixing portion 211a. In the embodiment illustrated in this utility model, the first fixing portion 211a is bent. The first contact portion 211b is needle-shaped and perpendicular to the first tail portion 211c.

[0084] In the embodiment illustrated in this utility model, the first conductive terminal S1 and the second conductive terminal S2 on each terminal module 211 form a pair of differential signal terminals to improve the signal transmission rate. In the embodiment illustrated in this utility model, the first fixing portion 211a of the first conductive terminal S1 and the first fixing portion 211a of the second conductive terminal S2 are arranged side-by-side along the third direction A3-A3 to achieve wide-edge coupling. The first extension portion 211d of the first conductive terminal S1 and the first extension portion 211d of the second conductive terminal S2 are staggered along the second direction A2-A2 and the third direction A3-A3. Correspondingly, the first contact portion 211b of the first conductive terminal S1 and the first contact portion 211b of the second conductive terminal S2 are staggered along the second direction A2-A2 and the third direction A3-A3. The insulating fixing block 2111 is overmolded onto the first extension portion 211d of the first conductive terminal S1 and the first extension portion 211d of the second conductive terminal S2. The first contact portion 211b of the first conductive terminal S1 and the first contact portion 211b of the second conductive terminal S2 both protrude from the insulating fixing block 2111 along the first direction A1-A1.

[0085] In the embodiment illustrated in this utility model, the first grounding module 212 includes a plurality of first grounding plates 2121. The plurality of first grounding plates 2121 are stacked along the third direction A3-A3. Those skilled in the art will understand that in the embodiment illustrated in this utility model, the stacking of the plurality of first grounding plates 2121 means that they are arranged adjacent to each other along the third direction A3-A3, i.e., stacked left and right. Each first grounding plate 2121 includes a first intermediate portion 2121a, a first mating portion 2121b connected to one end of the first intermediate portion 2121a, and a first abutting portion 2121c connected to the other end of the first intermediate portion 2121a. In the embodiment illustrated in this utility model, the first intermediate portion 2121a is bent, and the first mating portion 2121b and the first abutting portion 2121c are perpendicular to each other. In the embodiment illustrated in this utility model, the plurality of first grounding plates 2121 are all identical, thereby helping to save costs. In the embodiment illustrated in this utility model, the first mating part 2121b is provided with a first positioning groove 2121b1.

[0086] Similarly, the second grounding module 213 includes a plurality of second grounding plates 2131. The plurality of second grounding plates 2131 are stacked along the third direction A3-A3. Each second grounding plate 2131 includes a second intermediate portion 2131a, a second mating portion 2131b connected to one end of the second intermediate portion 2131a, and a second abutting portion 2131c connected to the other end of the second intermediate portion 2131a. In the embodiment illustrated in the present invention, the second intermediate portion 2131a is bent, and the second mating portion 2131b and the second abutting portion 2131c are perpendicular to each other. In the embodiment illustrated in the present invention, the plurality of second grounding plates 2131 are all identical, thereby helping to save costs. In the embodiment illustrated in the present invention, the second mating portion 2131b is provided with a second positioning groove 2131b1. The first positioning groove 2121b1 is recessed along the second direction A2-A2 away from the second mating part 2131b, and the second positioning groove 2131b1 is recessed along the second direction A2-A2 away from the first mating part 2121b.

[0087] The shielding sleeve 214 includes a sleeve portion 2141 fitted onto the insulating fixing block 2111, and a plurality of extension pieces 2142 integrally extending from the sleeve portion 2141. In the embodiment illustrated in the present invention, the sleeve portion 2141 is a hollow rectangle with four wall portions. The extension pieces 2142 include a first extension piece 2142a, a second extension piece 2142b opposite to the first extension piece 2142a, a third extension piece 2142c, and a fourth extension piece 2142d opposite to the third extension piece 2142c, each extending from one of the four wall portions. In the embodiment illustrated in the present invention, the first extension piece 2142a is inserted into the first positioning groove 2121b1 to contact the first mating portion 2121b. The second extension piece 2142b is inserted into the second positioning groove 2131b1 to contact the second mating portion 2131b. The third extension piece 2142c is in contact with the first shielding plate 215, and the fourth extension piece 2142d is in contact with the second shielding plate 216.

[0088] In the embodiment illustrated in this utility model, the first shielding plate 215 includes a plurality of first shielding sheets 2151. The plurality of first shielding sheets 2151 are separately arranged. Each first shielding sheet 2151 is located on one side of the terminal module 211 along the third direction A3-A3. Each first shielding sheet 2151 has a first bent portion 2151a, a first extension portion 2151b connected to one end of the first bent portion 2151a, and a first shielding portion 2151c connected to the other end of the first bent portion 2151a. In the embodiment illustrated in this utility model, the first shielding portion 2151c includes a first sidewall 2151c1, a first bent wall 2151c2 formed by bending one end of the first sidewall 2151c1, a second bent wall 2151c3 formed by bending the other end of the first sidewall 2151c1, a first mounting foot 2151c4 integrally extending downward from the first bent wall 2151c2, and a second mounting foot 2151c5 integrally extending downward from the second bent wall 2151c3. The first sidewall 2151c1 has a first opening 2151c6 extending downward through the first sidewall 2151c1. The first shielding sheet 2151 shields one side of the first conductive terminal S1 and the second conductive terminal S2 along the third direction A3-A3, and the first shielding sheet 2151 is in contact with the first grounding module 212 and the second grounding module 213. In the embodiment illustrated in this utility model, the first shielding portion 2151c is in contact with the first abutting portion 2121c. Those skilled in the art will understand that in the embodiment illustrated in this utility model, since each first shielding plate 2151's first shielding portion 2151c includes a first sidewall 2151c1, a first bent wall 2151c2, a second bent wall 2151c3, a first mounting foot 2151c4, and a second mounting foot 2151c5, a single-piece first shielding plate 215 cannot meet the requirements for manufacturing feasibility. Therefore, the first shielding plate 215 of this utility model is provided with a plurality of first shielding plates 2151. With this arrangement, the first shielding portion 2151c of each first shielding plate 2151 can be designed and manufactured using the material of the first shielding plate 2151 itself, avoiding the influence of other first shielding plates 2151. In the embodiment illustrated in this utility model, the first curved portion 2151a and the first extension portion 2151b of all the first shielding sheets 2151 are located in the same plane, the first curved portion 2151a of all the first shielding sheets 2151 are stacked in the plane, and the first extension portion 2151b of all the first shielding sheets 2151 are stacked in the plane.

[0089] In the embodiment illustrated in this utility model, the second shielding plate 216 includes a plurality of second shielding sheets 2161. The plurality of second shielding sheets 2161 are separately arranged. Each second shielding sheet 2161 is located on the other side of the terminal module 211 along the third direction A3-A3. The second shielding sheet 2161 has a second bent portion 2161a, a second extension portion 2161b connected to one end of the second bent portion 2161a, and a second shielding portion 2161c connected to the other end of the second bent portion 2161a. In the embodiment illustrated in this utility model, the second shielding portion 2161c includes a second sidewall 2161c1, a third bent wall 2161c2 formed by bending one end of the second sidewall 2161c1, a fourth bent wall 2161c3 formed by bending the other end of the second sidewall 2161c1, a third mounting foot 2161c4 integrally extending downward from the third bent wall 2161c2, and a fourth mounting foot 2161c5 integrally extending downward from the fourth bent wall 2161c3. The second sidewall 2161c1 has a second opening 2161c6 that penetrates downward through the second sidewall 2161c1. The second shielding sheet 2161 shields the other side of the first conductive terminal S1 and the second conductive terminal S2 along the third direction A3-A3, and the second shielding sheet 2161 is in contact with the first grounding module 212 and the second grounding module 213. In the illustrated embodiment of this utility model, the second shielding portion 2161c contacts the first abutting portion 2121c. Those skilled in the art will understand that in the illustrated embodiment of this utility model, since each second shielding plate 2161's second shielding portion 2161c includes a second sidewall 2161c1, a third bent wall 2161c2, a fourth bent wall 2161c3, a third mounting foot 2161c4, and a fourth mounting foot 2161c5, a single-piece second shielding plate 216 cannot meet the requirements for manufacturing feasibility. Therefore, the second shielding plate 216 of this utility model is provided with a plurality of second shielding plates 2161. With this arrangement, the second shielding portion 2161c of each second shielding plate 2161 can be designed and manufactured using the material of the second shielding plate 2161 itself, avoiding the influence of other second shielding plates 2161. In the embodiment illustrated in this utility model, the second curved portion 2161a and the second extension portion 2161b of all the second shielding sheets 2161 are located in the same plane, the second curved portion 2161a of all the second shielding sheets 2161 are stacked in the plane, and the second extension portion 2161b of all the second shielding sheets 2161 are stacked in the plane.

[0090] Please combine Figure 32As shown in the illustrated embodiment of this utility model, the first shielding plate 2151, a plurality of first grounding plates 2121 of the first grounding module 212, a plurality of second grounding plates 2131 of the second grounding module 213, and the second shielding plate 2161 together form a shielding cavity 20 surrounding the terminal module 211 to improve the shielding effect. Specifically, the shielding cavity 20 is arranged around the first fixing portion 211a of the first conductive terminal S1 and the first fixing portion 211a of the second conductive terminal S2 along the length direction of the first conductive terminal S1 and the second conductive terminal S2 to improve the shielding effect and enhance the quality of signal transmission. In the illustrated embodiment of this utility model, by providing a plurality of first grounding plates 2121 and a plurality of second grounding plates 2131, the thickness of the stacked plurality of first grounding plates 2121 and a plurality of second grounding plates 2131 can be used to form the shielding cavity 20, which facilitates the adjustment of the shielding cavity 20 by adjusting the number and thickness of the first grounding plates 2121 and the second grounding plates 2131.

[0091] Please combine Figures 14 to 32 As shown in the illustrated embodiment of this utility model, the extended shielding shell assembly 26 includes a first extended shielding sheet 261, a second extended shielding sheet 262, a first connecting shielding sheet 263, a second connecting shielding sheet 264, a first spring sheet group 265 fixed to the inner side of the first connecting shielding sheet 263, a second spring sheet group 266 fixed to the inner side of the second connecting shielding sheet 264, a first abutting spring sheet 267 fixed to the inner side of the first extended shielding sheet 261, and a second abutting spring sheet 268 fixed to the inner side of the second extended shielding sheet 262.

[0092] Specifically, in the embodiment illustrated in this utility model, the extended shielding housing assembly 26 includes a shielding cavity 260 formed by the first extended shielding sheet 261, the second extended shielding sheet 262, the first connecting shielding sheet 263, and the second connecting shielding sheet 264. The first contact portion 211b of the first signal terminal S1 and the first contact portion 211b of the second signal terminal S2 both protrude into the shielding cavity 260. The extended shielding housing assembly 26 provides a good shielding effect for the first contact portions 211b of the first signal terminal S1 and the first contact portions 211b of the second signal terminal S2. The first spring contact group 265, the second spring contact group 266, the first abutting spring contact 267, and the second abutting spring contact 268 all at least partially protrude into the shielding cavity 260.

[0093] In the illustrated embodiment of this utility model, the first extended shielding sheet 261 is made of a metal material. The first extended shielding sheet 261 extends vertically and includes a plurality of first mounting holes 2611, a plurality of second mounting holes 2612, and a first contact spring 2613 located between the first mounting holes 2611 and the second mounting holes 2612 along the vertical direction. In the illustrated embodiment of this utility model, the first extended shielding sheet 261 further includes a plurality of first slots 2614 communicating with the first contact spring 2613 and respectively located on the upper and lower sides of the first contact spring 2613. The first contact spring 2613 is flat to fit against the shielding sleeve 214. Furthermore, the first extended shielding sheet 261 also includes a first groove 2615 disposed opposite to the first contact spring 2613.

[0094] Similarly, the second extended shielding sheet 262 is made of a metallic material. The second extended shielding sheet 262 extends vertically and includes a plurality of third mounting holes 2621, a plurality of fourth mounting holes 2622, and a second contact spring 2623 located between the third mounting holes 2621 and the fourth mounting holes 2622 along the vertical direction. In the embodiment illustrated in this utility model, the second extended shielding sheet 262 further includes a plurality of second slots 2624 communicating with the second contact spring 2623 and respectively located on the upper and lower sides of the second contact spring 2623. The second contact spring 2623 is flat to fit against the shielding sleeve 214. Furthermore, the second extended shielding sheet 262 also includes a second groove 2625 disposed opposite to the second contact spring 2623.

[0095] The first connecting shield 263 is flat and made of metal. The first connecting shield 263 extends horizontally approximately along a first direction A1-A1. The first connecting shield 263 includes a first protrusion 2631 fixed in the first mounting hole 2611 and a second protrusion 2632 fixed in the third mounting hole 2621. The first protrusion 2631 and the second protrusion 2632 are respectively located on the left and right sides of the first connecting shield 263. A first clearance groove 2633 and a second clearance groove 2634 are also provided at both ends of the first connecting shield 263 in the front-rear direction. The first connecting shield 263 also has a first fixing groove 2635 and a second fixing groove 2636 located on the left and right sides respectively.

[0096] Similarly, the second connecting shield 264 is flat and made of metal. The second connecting shield 264 extends horizontally approximately along the first direction A1-A1. The second connecting shield 264 includes a third protrusion 2641 fixed in the second mounting hole 2612 and a fourth protrusion 2642 fixed in the fourth mounting hole 2622. The third protrusion 2641 and the fourth protrusion 2642 are respectively located on the left and right sides of the second connecting shield 264. A third clearance groove 2643 and a fourth clearance groove 2644 are also provided at both ends of the second connecting shield 264 in the front-rear direction. The second connecting shield 264 also has a third fixing groove 2645 and a fourth fixing groove 2646 located on the left and right sides respectively.

[0097] In the embodiment illustrated in this utility model, the first spring piece assembly 265 is made of metal. The first spring piece assembly 265 includes a first spring piece 265a and a second spring piece 265b. The first spring piece 265a includes a first fixing part 265a0, a first spring arm 265a1 extending from one end of the first fixing part 265a0, and a second spring arm 265a2 extending from the other end of the first fixing part 265a0. The number and structural form of the first spring arm 265a1 and the second spring arm 265a2 can be flexibly adjusted as needed. In the embodiment illustrated in this utility model, the first fixing part 265a0 is fixed to the lower surface of the first connecting shield 263, for example, by welding. The first spring arm 265a1 and the second spring arm 265a2 are both cantilevered, meaning they each have a free end away from the first fixing part 265a0.

[0098] The second spring piece 265b includes a second fixing part 265b0, a third spring arm 265b1 extending from one end of the second fixing part 265b0, and a fourth spring arm 265b2 extending from the other end of the second fixing part 265b0. In the first embodiment illustrated in this utility model, the third spring arm 265b1 and the fourth spring arm 265b2 of the second spring piece 265b are always in contact with the shielding sleeve 214. When the second spring piece 265b is deformed by the shielding sleeve 214, the free end of the third spring arm 265b1 can move in the second clearance groove 2634. The number and structure of the third spring arm 265b1 and the fourth spring arm 265b2 can be flexibly adjusted as needed. In the embodiment illustrated in this utility model, the second fixing part 265b0 is fixed to the lower surface of the first connecting shielding plate 263, for example, the second fixing part 265b0 is fixed to the lower surface of the first connecting shielding plate 263 by welding. Both the third spring arm 265b1 and the fourth spring arm 265b2 are cantilevered, meaning they each have a free end away from the second fixing part 265b0. The third spring arm 265b1 and the fourth spring arm 265b2 are configured to abut against the second backplate connector, and the free end of the fourth spring arm 265b2 is movable within the second clearance groove 2634.

[0099] In the embodiment illustrated in this utility model, the first spring piece 265a and the second spring piece 265b are separately disposed and welded to the lower surface of the first connecting shielding plate 263. With this arrangement, the first connecting shielding plate 263 itself can be made of metal materials of different materials and / or thicknesses to meet the requirements of structural strength and shielding performance. Furthermore, the separate disposal of the first connecting shielding plate 263 and the first spring piece group 265 avoids the possibility of leaving openings that could affect the shielding effect if the first spring piece group 265 were integrally stamped onto the first connecting shielding plate 263.

[0100] Of course, those skilled in the art will understand that in other embodiments of this utility model, the first spring 265a and the second spring 265b can also be integrally formed.

[0101] In the embodiment illustrated in this utility model, there are two third spring arms 265b1, and the second spring piece 265b includes a first receiving groove 265b3 located between the two third spring arms 265b1. The second spring arm 265a2, in its free state, protrudes into the first receiving groove 265b3 along a first direction A1-A1 (e.g., the front-to-back direction). In other words, in the free states of the first spring piece 265a and the second spring piece 265b, the second spring arm 265a2 and the third spring arm 265b1 at least partially overlap in a third direction A3-A3 (e.g., the left-to-right direction).

[0102] In the embodiment illustrated in this utility model, the second spring piece assembly 266 is made of metal. The second spring piece assembly 266 includes a third spring piece 266a and a fourth spring piece 266b. The third spring piece 266a includes a third fixing part 266a0, a fifth spring arm 266a1 extending from one end of the third fixing part 266a0, and a sixth spring arm 266a2 extending from the other end of the third fixing part 266a0. The number and structural form of the fifth spring arm 266a1 and the sixth spring arm 266a2 can be flexibly adjusted as needed. In the embodiment illustrated in this utility model, the third fixing part 266a0 is fixed to the upper surface of the second connecting shield 264, for example, by welding. The fifth spring arm 266a1 and the sixth spring arm 266a2 are both cantilevered, meaning they each have a free end away from the third fixing part 266a0.

[0103] The fourth spring piece 266b includes a fourth fixing part 266b0, a seventh spring arm 266b1 extending from one end of the fourth fixing part 266b0, and an eighth spring arm 266b2 extending from the other end of the fourth fixing part 266b0. In the first embodiment illustrated in this utility model, the seventh spring arm 266b1 and the eighth spring arm 266b2 of the fourth spring piece 266b are always in contact with the shielding sleeve 214. When the fourth spring piece 266b is deformed by the shielding sleeve 214, the free end of the seventh spring arm 266b1 can move in the fourth clearance groove 2644. The number and structure of the seventh spring arm 266b1 and the eighth spring arm 266b2 can be flexibly adjusted as needed. In the embodiment illustrated in this utility model, the fourth fixing part 266b0 is fixed to the upper surface of the second connecting shielding plate 264, for example, the fourth fixing part 266b0 is fixed to the upper surface of the second connecting shielding plate 264 by welding. Both the seventh elastic arm 266b1 and the eighth elastic arm 266b2 are cantilevered, meaning they each have a free end that is away from the fourth fixing part 266b0. The seventh elastic arm 266b1 and the eighth elastic arm 266b2 are configured to abut against the second backplate connector, and the free end of the eighth elastic arm 266b2 is movable in the fourth clearance groove 2644.

[0104] In the embodiment illustrated in this utility model, the third spring piece 266a and the fourth spring piece 266b are separately disposed and welded to the upper surface of the second connecting shielding plate 264. With this arrangement, the second connecting shielding plate 264 itself can be made of metal materials of different materials and / or thicknesses to meet the requirements of structural strength and shielding performance. Furthermore, the separate disposal of the second connecting shielding plate 264 and the second spring piece group 266 avoids the possibility of leaving openings that could affect the shielding effect if the second spring piece group 266 were integrally stamped onto the second connecting shielding plate 264.

[0105] Of course, those skilled in the art will understand that in other embodiments of this utility model, the third spring 266a and the fourth spring 266b can also be integrally formed.

[0106] In the embodiment illustrated in this utility model, there are two seventh elastic arms 266b1, and the fourth elastic piece 266b includes a second receiving groove 266b3 located between the two seventh elastic arms 266b1. The sixth elastic arm 266a2, in its free state, protrudes into the second receiving groove 266b3 along the first direction A1-A1. In other words, in the free states of the third elastic piece 266a and the fourth elastic piece 266b, the sixth elastic arm 266a2 and the seventh elastic arm 266b1 at least partially overlap in the third direction A3-A3.

[0107] The first abutment spring 267 includes a first retaining portion 2670, a first abutment spring arm 2671 extending from one end of the first retaining portion 2670, a second abutment spring arm 2672 extending from the other end of the first retaining portion 2670, and a first support portion 2673 and a second support portion 2674 located on the upper and lower sides of the first abutment spring arm 2671. The number and structural form of the first abutment spring arm 2671 and the second abutment spring arm 2672 can be flexibly adjusted as needed. In the embodiment illustrated in this utility model, the first retaining portion 2670 is fixed to the inner surface of the first extended shielding plate 261, for example, the first retaining portion 2670 is fixed to the inner surface of the first extended shielding plate 261 by welding. Both the first abutment spring arm 2671 and the second abutment spring arm 2672 are cantilevered, that is, they each have a free end away from the first retaining portion 2670. When the first abutting spring 267 is abutted and deformed, the free end of the first abutting spring arm 2671 can move in the first groove 2615. The first support part 2673 is provided with a first fixing protrusion 2673a that is engaged in the first fixing groove 2635, and the second support part 2674 is provided with a second fixing protrusion 2674a that is engaged in the third fixing groove 2645.

[0108] The second abutment spring 268 includes a second retaining portion 2680, a third abutment spring arm 2681 extending from one end of the second retaining portion 2680, a fourth abutment spring arm 2682 extending from the other end of the second retaining portion 2680, and a third support portion 2683 and a fourth support portion 2684 located on the upper and lower sides of the third abutment spring arm 2681. The number and structural form of the third abutment spring arm 2681 and the fourth abutment spring arm 2682 can be flexibly adjusted as needed. In the embodiment illustrated in this utility model, the second retaining portion 2680 is fixed to the inner surface of the second extended shielding plate 262, for example, the second retaining portion 2680 is fixed to the inner surface of the second extended shielding plate 262 by welding. The third abutment spring arm 2681 and the fourth abutment spring arm 2682 are both cantilevered, that is, they each have a free end away from the second retaining portion 2680. When the second abutment spring 268 is abutted and deformed, the free end of the third abutment spring arm 2681 can move in the second groove 2625. The third support part 2683 is provided with a third fixing protrusion 2683a that is engaged in the second fixing groove 2636, and the fourth support part 2684 is provided with a fourth fixing protrusion 2684a that is engaged in the fourth fixing groove 2646.

[0109] In the embodiment illustrated in this utility model, in order to save costs as much as possible, the first extended shielding plate 261 and the second extended shielding plate 262 can share a common part, the first connecting shielding plate 263 and the second connecting shielding plate 264 can share a common part, the first spring 265a and the third spring 266a can share a common part, the second spring 265b and the fourth spring 266b can share a common part, and the first abutting spring 267 and the second abutting spring 268 can share a common part.

[0110] In the embodiment illustrated in this utility model, the first elastic arm 265a1 and the second elastic arm 265a2 of the first elastic piece 265a are arranged at intervals along the first direction A1-A1 to form two layers of grounding contact points, which is beneficial to improving the grounding shielding effect. Similarly, the fifth elastic arm 266a1 and the sixth elastic arm 266a2 of the third elastic piece 266a are arranged at intervals along the first direction A1-A1 to form two layers of grounding contact points, which is beneficial to improving the grounding shielding effect.

[0111] In the embodiment illustrated in this utility model, the first spring piece 265a and the second spring piece 265b are fixed to the first connecting shielding plate 263, the third spring piece 266a and the fourth spring piece 266b are fixed to the second connecting shielding plate 264, the first abutting spring piece 267 is fixed to the first extending shielding plate 261, and the second abutting spring piece 268 is fixed to the second extending shielding plate 262. Of course, those skilled in the art will understand that the positions of the first spring piece 265a and the second spring piece 265b, the third spring piece 266a and the fourth spring piece 266b, the first abutting spring piece 267, and the second abutting spring piece 268 can also be interchanged. For example, the first spring piece 265a and the second spring piece 265b are fixed to the first extended shielding plate 261, the third spring piece 266a and the fourth spring piece 266b are fixed to the second extended shielding plate 262, the first abutting spring piece 267 is fixed to the first connecting shielding plate 263, and the second abutting spring piece 268 is fixed to the second connecting shielding plate 264.

[0112] In addition, by setting the extended shielding housing assembly 26 as a separate part, this utility model helps to reduce the design complexity of the terminal module 21.

[0113] Please combine Figure 13 As shown, in one embodiment of the present invention, the first shielding portion 2151c of the first shielding plate 215 and the second shielding portion 2161c of the second shielding plate 216 form a shielding space 218. Specifically, in the shielding space 218, the first sidewall 2151c1 and the second sidewall 2161c1 are disposed opposite to each other; the first bent wall 2151c2 and the third bent wall 2161c2 extend opposite to each other to form a third sidewall 2171c1; the first bent wall 2151c2 and the third bent wall 2161c2 extend face-to-face and are close to each other, and a third opening 2171c2 is provided between the first bent wall 2151c2 and the third bent wall 2161c2; the second bent wall 2151c3 and the fourth bent wall 2161c3 extend opposite to each other to form a fourth sidewall 2172c3; the second bent wall 2151c3 and the fourth bent wall 2161c3 extend face-to-face and are close to each other, and a fourth opening 2172c4 is provided between the second bent wall 2151c3 and the fourth bent wall 2161c3. The third sidewall 2171c1 and the fourth sidewall 2172c3 are arranged opposite to each other. The shielding space 218 is formed by the first sidewall 2151c1, the second sidewall 2161c1, the third sidewall 2171c1 and the fourth sidewall 2172c3.

[0114] Since both the first tail portion 211c of the first conductive terminal S1 and the first tail portion 211c of the second conductive terminal S2 extend downward and protrude from the shielding cavity 20, the terminal module 21 is provided with the shielding space 218 to improve the shielding effect on the first tail portion 211c of the first conductive terminal S1 and the first tail portion 211c of the second conductive terminal S2. Both the first tail portion 211c of the first conductive terminal S1 and the first tail portion 211c of the second conductive terminal S2 are located within the shielding space 218.

[0115] The first mounting pin 2151c4, the second mounting pin 2151c5, the third mounting pin 2161c4, and the fourth mounting pin 2161c5 are each provided with a fisheye hole, giving each of the three mounting pins a certain degree of elasticity. The first mounting pin 2151c4, the second mounting pin 2151c5, the third mounting pin 2161c4, and the fourth mounting pin 2161c5 are respectively used to press into the first mounting through hole 3051, the second mounting through hole 3052, the third mounting through hole 3053, and the fourth mounting through hole 3054 to achieve electrical connection with the circuit board 300. In one embodiment of this utility model, the first mounting through hole 3051, the second mounting through hole 3052, the third mounting through hole 3053, and the fourth mounting through hole 3054 are all conductive holes. The first mounting pin 2151c4, the second mounting pin 2151c5, the third mounting pin 2161c4, and the fourth mounting pin 2161c5 are located on both sides of the first tail portion 211c of the first conductive terminal S1 and the first tail portion 211c of the second conductive terminal S2. When the first adapter terminal 43a and the second adapter terminal 43b elastically abut against the circuit board 300, the reliability of the contact arc surface 4321 contacting the conductive sheet of the circuit board 300 can be guaranteed.

[0116] Please combine Figure 11 as well as Figure 12As shown, in one embodiment of this utility model, the first mounting plate 22 includes a first main body 221 and a first limiting side plate 222 protruding forward from the first main body 221 along the first direction A1-A1. The first main body 221 is provided with a plurality of first fixing protrusions 2211 located at the top of the first main body 221, a first fastening hole 2212 penetrating upward through the first main body 221, a plurality of second fixing protrusions 2213 protruding backward from the first main body 221, a first positioning protrusion 2214 protruding downward from the first main body 221, and a first threaded hole 2215 penetrating downward through the first main body 221. The first main body 221 abuts against the outer side of the corresponding terminal module 21 along the third direction A3-A3, and the first limiting side plate 222 abuts against the housing 1. A portion of the first retaining groove 311 of the first retaining piece 31 cooperates with the first fixing protrusion 2211, and a portion of the second retaining groove 321 of the second retaining piece 32 cooperates with the second fixing protrusion 2213.

[0117] In one embodiment of this utility model, the second mounting plate 23 includes a second main body 231 and a second limiting side plate 232 protruding forward from the second main body 231 along the first direction A1-A1. The second main body 231 is provided with a plurality of third fixing protrusions 2311 located at the top of the second main body 231, a second fastening hole 2312 penetrating upward through the second main body 231, a plurality of fourth fixing protrusions 2313 protruding rearward from the second main body 231, a second positioning protrusion 2314 protruding downward from the second main body 231, and a second threaded hole 2315 penetrating downward through the second main body 231. The second main body 231 abuts against the outer side of the corresponding terminal module 21 along the third direction A3-A3, and the second limiting side plate 232 abuts against the housing 1. A portion of the first retaining groove 311 of the first retaining piece 31 cooperates with the third fixing protrusion 2311, and a portion of the second retaining groove 321 of the second retaining piece 32 cooperates with the fourth fixing protrusion 2313.

[0118] This invention uses the first retaining piece 31 and the second retaining piece 32 to fix the first mounting plate 22, the plurality of terminal modules 21, and the second mounting plate 23 into a whole. The first positioning protrusion 2214 and the second positioning protrusion 2314 are respectively inserted into the first positioning through hole 3073 and the second positioning through hole 3074 to achieve positioning.

[0119] Please combine Figures 27 to 32As shown, the mounting block 4 includes a mounting base 41, a plurality of insulating plastics 42 mounted within the mounting base 41, and a plurality of terminal groups 43 disposed within the insulating plastics 42. In one embodiment of the present invention, the mounting base 41 is electroplated plastic or conductive plastic to cooperate with the circuit board 300 to improve the shielding effect. The mounting base 41 is provided with a plurality of through holes 411 extending through the mounting base 41 along the second direction A2-A2, and at least one positioning recess 412 located beside the through holes 411. In the embodiment illustrated in the present invention, the plurality of through holes 411 are arranged in rows and columns.

[0120] Accordingly, the insulating plastics 42 are arranged in rows and columns and installed in the through holes 411. Each insulating plastic 42 includes a base 421 and at least one positioning protrusion 422 protruding outward from the base 421. The base 421 has a first end face 4211, a second end face 4212 opposite to the first end face 4211, a first terminal receiving hole 4213 penetrating the first end face 4211 and the second end face 4212 along the second direction A2-A2, and a second terminal receiving hole 4214 penetrating the first end face 4211 and the second end face 4212 along the second direction A2-A2. The first terminal receiving hole 4213 and the second terminal receiving hole 4214 are arranged side by side. In addition, the base 421 also has a groove 4215 recessed from the second end face 4212 toward the first end face 4211. Both the first terminal receiving hole 4213 and the second terminal receiving hole 4214 are connected to the groove 4215. The positioning protrusion 422 is configured to be received in the positioning recess 412 to achieve positioning.

[0121] The terminal group 43 includes a first adapter terminal 43a and a second adapter terminal 43b. In the embodiment illustrated in this utility model, both the first adapter terminal 43a and the second adapter terminal 43b are Pogo pins. Both the first adapter terminal 43a and the second adapter terminal 43b are provided with a cylindrical portion 431, a terminal portion 432, and an elastic element 433 (e.g., a helical spring) disposed between the cylindrical portion 431 and the terminal portion 432. The terminal portion 432 is capable of elastically floating relative to the cylindrical portion 431 along a third direction A3-A3 under the action of the helical spring. The cylindrical portion 431 is provided with an abutment surface 4311. The terminal portion 432 is provided with a contact arc surface 4321.

[0122] After the terminal group 43 is assembled with the insulating plastic 42, the first adapter terminal 43a and the second adapter terminal 43b are respectively installed in the first terminal receiving hole 4213 and the second terminal receiving hole 4214. The cylindrical portions 431 of both the first adapter terminal 43a and the second adapter terminal 43b at least partially protrude into the groove 4215, and the contact surfaces 4311 of both terminals are located in the groove 4215. The terminal portions 432 of both the first adapter terminal 43a and the second adapter terminal 43b protrude from the first end face 4211. The contact surface 4311 of the first adapter terminal 43a contacts the first tail portion 211c of the first signal terminal S1, and the contact surface 4311 of the second adapter terminal 43b contacts the first tail portion 211c of the second signal terminal S2. The contact arc surface 4321 of the terminal portion 432 of the first adapter terminal 43a is configured to elastically abut against the first conductive sheet 303 of the circuit board 300, and the contact arc surface 4321 of the terminal portion 432 of the second adapter terminal 43b is configured to elastically abut against the second conductive sheet 304 of the circuit board 300.

[0123] The above embodiments are only used to illustrate the present utility model and are not intended to limit the technical solutions described in the present utility model. The understanding of the present utility model should be based on those skilled in the art. Although the present utility model has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still make modifications or equivalent substitutions to the present utility model. All technical solutions and improvements that do not depart from the spirit and scope of the present utility model should be covered within the scope of the claims of the present utility model.

Claims

1. An electrical connector, characterized in that, include: The housing is provided with a mounting slot; A terminal module, wherein at least a portion of the terminal module is disposed in the mounting slot; The terminal module includes a first conductive terminal, the first conductive terminal including a first contact portion and a first tail portion; and Mounting block, the mounting block is mounted on the terminal module, the mounting block includes insulating plastic and a first adapter terminal disposed in the insulating plastic, the first adapter terminal includes a terminal portion and an elastic element abutting against the terminal portion; The first adapter terminal is electrically connected to the first tail portion of the first conductive terminal, and the terminal portion is configured to move along the extension and retraction direction of the elastic element.

2. The electrical connector of claim 1, wherein: The first adapter terminal is in contact with the first tail portion of the first conductive terminal.

3. The electrical connector of claim 1, wherein: The first adapter terminal includes a cylindrical portion, in which the elastic element is at least partially housed, and the terminal portion is capable of floating relative to the cylindrical portion under the action of the elastic element.

4. The electrical connector of claim 1, wherein: The terminal portion is provided with a contact arc surface, which is configured to elastically abut against the first conductive sheet of the circuit board.

5. The electrical connector of claim 3, wherein: The mounting block includes a mounting base with a through hole, and the insulating plastic is contained within the through hole.

6. The electrical connector of claim 5, wherein: The mounting base is provided with a positioning recessed groove located beside the through hole, and the insulating plastic includes a positioning protrusion that is inserted into the positioning recessed groove.

7. The electrical connector of claim 5, wherein: The insulating plastic includes a base, the base having a first end face, a second end face opposite to the first end face, a first terminal receiving hole penetrating the first end face and the second end face, and a groove recessed from the second end face to the first end face; the first terminal receiving hole is connected to the groove; the cylindrical portion protrudes into the groove and does not protrude from the second end face, and the terminal portion protrudes from the first end face.

8. The electrical connector of claim 1, wherein: The terminal module includes a first terminal module, a first grounding module, a second grounding module, a first shielding plate, and a second shielding plate; the first grounding module is located on a first side of the first terminal module, the second grounding module is located on a second side of the first terminal module, the first shielding plate is located on a third side of the first terminal module, and the second shielding plate is located on a fourth side of the first terminal module; the first side and the second side are arranged opposite to each other, and the third side and the fourth side are arranged opposite to each other; the first conductive terminal is disposed on the first terminal module; The first grounding module includes a plurality of first grounding plates stacked together; the first grounding plates, the second grounding module, the first shielding plate, and the second shielding plate together form a shielding cavity; The first terminal module is at least partially housed within the shielding cavity.

9. The electrical connector of claim 8, wherein: The second grounding module includes a plurality of second grounding plates stacked together, and the shielding cavity is formed by the first grounding plate, the second grounding plate, the first shielding plate, and the second shielding plate.

10. The electrical connector of claim 8, wherein: The first shielding plate includes at least one first shielding sheet, and the first shielding sheet is provided with a first shielding portion; The second shielding plate includes at least one second shielding sheet, and the second shielding sheet is provided with a second shielding portion; The first shielding part is provided with a first mounting pin and a second mounting pin, and the second shielding part is provided with a third mounting pin and a fourth mounting pin. The first mounting pin, the second mounting pin, the third mounting pin and the fourth mounting pin are all configured to be mounted on a circuit board.

11. The electrical connector of claim 10, wherein: The first shielding part and the second shielding part form a shielding space, and the first tail of the first conductive terminal is located in the shielding space.

12. The electrical connector of claim 8, wherein: The terminal module includes an extended shielding housing assembly, which includes a first extended shielding sheet, a second extended shielding sheet opposite to the first extended shielding sheet, a first connecting shielding sheet, and a second connecting shielding sheet opposite to the first connecting shielding sheet; the first extended shielding sheet, the second extended shielding sheet, the first connecting shielding sheet, and the second connecting shielding sheet together form a shielding cavity, and the first contact portion of the first conductive terminal is at least partially located in the shielding cavity.

13. The electrical connector of claim 12, wherein: The extended shielding housing assembly includes a first spring sheet group fixed to the inner side of the first connecting shielding sheet, a second spring sheet group fixed to the inner side of the second connecting shielding sheet, a first abutting spring sheet fixed to the inner side of the first extended shielding sheet, and a second abutting spring sheet fixed to the inner side of the second extended shielding sheet; the first spring sheet group, the second spring sheet group, the first abutting spring sheet, and the second abutting spring sheet are each provided with at least one elastic arm that at least partially protrudes into the shielding cavity.

14. The electrical connector of claim 12, wherein: The terminal module includes a shielding sleeve fitted onto the first terminal module, the shielding sleeve being in contact with the first grounding module and the second grounding module, and the extended shielding housing assembly being in contact with the shielding sleeve.

15. A connector assembly, characterized in that, include: An electrical connector, wherein the electrical connector is the electrical connector as described in any one of claims 1 to 14; as well as A circuit board, wherein the circuit board is provided with a first conductive sheet; The terminal portion of the electrical connector is in elastic contact with the first conductive sheet of the circuit board.

16. The connector assembly of claim 15, wherein: The circuit board is provided with a first mounting through hole and a second mounting through hole; The electrical connector includes a mounting module, which includes the terminal module, a first mounting plate located on one side of the terminal module, and a second mounting plate located on the other side of the terminal module. Both the first mounting plate and the second mounting plate are metal mounting plates. The first mounting plate is provided with a first positioning protrusion inserted into the first mounting through hole, and the second mounting plate is provided with a second positioning protrusion inserted into the second mounting through hole.

17. The connector assembly of claim 16, wherein: The connector assembly includes a mounting bracket mounted on the electrical connector and a fastener for securing the mounting bracket to the electrical connector.

18. The connector assembly of claim 17, wherein: The mounting bracket includes a mounting portion, a first raised portion protruding from the mounting portion, and a second raised portion protruding from the mounting portion; the mounting portion has a mounting surface, a plurality of supporting ribs protruding from the mounting surface, and mounting protrusions protruding from the mounting surface; the supporting ribs are configured to support the electrical connector, and the mounting protrusions are configured to be inserted into the first mounting plate and the second mounting plate; the first raised portion has a first mounting through hole, and the second raised portion has a second mounting through hole.

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