Electric connector

By designing conductive terminals with elastic arms and specific grounding sheet structures in the first terminal module of the electrical connector to form double contacts, the problem of insufficient grounding shielding effect of existing electrical connectors is solved, and better grounding shielding effect and reliability are achieved.

CN119581910APending Publication Date: 2025-03-07DONGGUAN LUXSHARE TECH CO LTD
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Patent Information

Application Number
CN202311157321.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2023-09-07
Publication Date
2025-03-07

AI Technical Summary

Technical Problem

There is room for improvement in the ground shielding effect of existing electrical connectors, and it is difficult to effectively reduce crosstalk.

Method used

An electrical connector is designed, which includes an insulating body and a first terminal module. The first terminal module includes several conductive terminals and a grounding sheet, the conductive terminal has an elastic arm, and a double contact point is formed with the elastic arm of the conductive terminal through a specific grounding sheet structure to improve the ground shielding effect.

Benefits of technology

By improving the ground shielding effect, crosstalk is reduced, and the reliability of the conductive terminals is improved, reducing the risk of deformation failure.

✦ Generated by Eureka AI based on patent content.

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Abstract

An electric connector comprises an insulating body and a first terminal module. The first terminal module comprises a plurality of first conductive terminals and a first grounding piece, each first conductive terminal comprises a first main body part and a first elastic arm, and the first elastic arm comprises a first butt joint part. The plurality of first conductive terminals comprise a first signal terminal group, a first grounding terminal and a second grounding terminal. The first grounding piece comprises a first body part, a first middle part, a first abutting elastic arm and a second abutting elastic arm. The first middle part is provided with a first contact lug contacted with the first elastic arm of the first grounding terminal and a second contact lug abutted against the first elastic arm of the second grounding terminal. The first abutting elastic arm comprises a first abutting part which abuts against the first elastic arm of the first grounding terminal. The second abutting elastic arm comprises a second abutting part which abuts against the first elastic arm of the second grounding terminal.
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Description

Technical Field

[0001] The invention relates to an electric connector and belongs to the technical field of connectors. Background Art

[0002] The electrical connector in the related art usually includes an insulating body and a terminal module installed in the insulating body. The terminal module includes an insulating block, a plurality of conductive terminals fixed to the insulating block, and a grounding plate installed on the insulating block. Each conductive terminal includes a main body and an elastic arm extending and protruding from the insulating block. The plurality of conductive terminals include a plurality of signal terminals and a plurality of grounding terminals. The grounding plate is provided with a lap joint in contact with the grounding terminal to connect all the grounding terminals in series to achieve a better grounding shielding effect.

[0003] However, as the signal transmission quality of electrical connectors continues to improve, there is still room for improvement in ground shielding in the related art. Summary of the invention

[0004] The object of the present invention is to provide an electrical connector with better grounding and shielding effect.

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

[0006] an insulating body, the insulating body comprising a docking surface and a docking slot penetrating the docking surface along a first direction; and

[0007] A first terminal module, the first terminal module includes a plurality of first conductive terminals and a first grounding plate, each of the first conductive terminals includes a first main body and a first elastic arm extending from the first main body, the first elastic arm includes a first docking portion protruding into the docking slot;

[0008] The plurality of first conductive terminals include a first signal terminal group, a first ground terminal located at one side of the first signal terminal group along a second direction, and a second ground terminal located at the other side of the first signal terminal group along the second direction; the first direction is perpendicular to the second direction; the first signal terminal group includes a first signal terminal and a second signal terminal;

[0009] The first grounding sheet includes a first main body, a first middle part connected to the first main body, a first abutting elastic arm connected to the first middle part, and a second abutting elastic arm connected to the first middle part; the first main body includes a first overlapping part in contact with the first main body of the first grounding terminal, a second overlapping part in contact with the first main body of the second grounding terminal, and a first avoiding part connecting the first overlapping part and the second overlapping part, the first avoiding part is configured to avoid the first signal terminal group so as not to contact the first signal terminal group; the first middle part is provided with a first contact protrusion in contact with the first elastic arm of the first grounding terminal and a second contact protrusion abutting with the first elastic arm of the second grounding terminal; the first abutting elastic arm of the first grounding sheet includes a first abutting part abutting on the first elastic arm of the first grounding terminal; the second abutting elastic arm of the first grounding sheet includes a second abutting part abutting on the first elastic arm of the second grounding terminal; the first abutting part and the first contact protrusion are spaced apart along the first direction, and the second abutting part and the second contact protrusion are spaced apart along the first direction.

[0010] As a further improved technical solution of the present invention, along the first direction, the first abutting portion is located between the first butting portion of the first grounding terminal and the first contact protrusion;

[0011] Along the first direction, the second abutting portion is located between the first butting portion of the second grounding terminal and the second contact protrusion.

[0012] As a further improved technical solution of the present invention, the width of the first abutting elastic arm of the first grounding sheet along the second direction is generally smaller than the width of the first elastic arm of the first grounding terminal along the second direction;

[0013] The width of the second abutting elastic arm of the first grounding plate along the second direction is generally smaller than the width of the first elastic arm of the second grounding terminal along the second direction.

[0014] As a further improved technical solution of the present invention, the first middle portion of the first grounding sheet further includes a first supporting protrusion extending away from the first contact protrusion;

[0015] The electrical connector includes a first conductive plate pressed against the first supporting protrusion along a third direction; the third direction is perpendicular to the first direction and the second direction.

[0016] As a further improved technical solution of the present invention, along the first direction, the first supporting protrusion is located between the first contact protrusion and the first abutting portion.

[0017] As a further improved technical solution of the present invention, along the second direction, the first supporting protrusion is located between the first abutting elastic arm and the second abutting elastic arm.

[0018] As a further improved technical solution of the present invention, the material of the first conductive plate is metal, or conductive plastic, or the inner layer is plastic and the outer layer is metal.

[0019] As a further improved technical solution of the present invention, the first terminal module includes a first insulating block, the plurality of first conductive terminals are fixed to the first insulating block, and the first insulating block is provided with a first mounting groove for mounting the first grounding plate;

[0020] The first elastic arm of each first conductive terminal extends out of the first insulating block; the first contact protrusion abuts against the root of the first elastic arm of the first grounding terminal; the second contact protrusion abuts against the root of the first elastic arm of the second grounding terminal.

[0021] As a further improved technical solution of the present invention, the insulating body includes a top wall, the top wall is provided with a first receiving space penetrating the top wall along the third direction, the first receiving space is connected to the docking slot, and the first terminal module is installed in the first receiving space along the third direction.

[0022] As a further improved technical solution of the present invention, the first conductive plate is provided with a first mounting hole, and the top wall is provided with a first mounting boss inserted into the first mounting hole.

[0023] As a further improved technical solution of the present invention, the electrical connector further includes a second terminal module, the second terminal module includes a plurality of second conductive terminals and a second grounding plate, each second conductive terminal includes a second main body portion and a second elastic arm extending from the second main body portion, the second elastic arm includes a second docking portion protruding into the docking slot;

[0024] The plurality of second conductive terminals include a second signal terminal group, a third ground terminal located at one side of the second signal terminal group along the second direction, and a fourth ground terminal located at the other side of the second signal terminal group along the second direction; the second signal terminal group includes a third signal terminal and a fourth signal terminal;

[0025] The second grounding sheet includes a second main body, a second middle part connected to the second main body, a third abutting elastic arm connected to the second middle part, and a fourth abutting elastic arm connected to the second middle part; the second main body includes a third overlapping part in contact with the second main body of the third grounding terminal, a fourth overlapping part in contact with the second main body of the fourth grounding terminal, and a second avoiding part connecting the third overlapping part and the fourth overlapping part, the second avoiding part is configured to avoid the second signal terminal group so as not to contact the second signal terminal group; the second middle part is provided with a third contact protrusion in contact with the second elastic arm of the third grounding terminal and a fourth contact protrusion abutting with the second elastic arm of the fourth grounding terminal; the third abutting elastic arm of the second grounding sheet includes a third abutting part abutting on the second elastic arm of the third grounding terminal; the fourth abutting elastic arm of the second grounding sheet includes a fourth abutting part abutting on the second elastic arm of the fourth grounding terminal; the third abutting part and the third contact protrusion are arranged at intervals along the first direction, and the fourth abutting part and the fourth contact protrusion are arranged at intervals along the first direction.

[0026] As a further improved technical solution of the present invention, along the first direction, the third abutting portion is located between the second butting portion of the third grounding terminal and the third contact protrusion;

[0027] Along the first direction, the fourth abutting portion is located between the second docking portion of the fourth grounding terminal and the fourth contact protrusion.

[0028] As a further improved technical solution of the present invention, the width of the third abutting elastic arm of the third grounding plate along the second direction is generally smaller than the width of the second elastic arm of the third grounding terminal along the second direction;

[0029] The width of the fourth abutting elastic arm of the second grounding plate along the second direction is generally smaller than the width of the second elastic arm of the fourth grounding terminal along the second direction.

[0030] As a further improved technical solution of the present invention, the second middle portion of the second grounding sheet further includes a second supporting protrusion extending away from the third contact protrusion;

[0031] The electrical connector includes a second conductive plate pressed against the second supporting protrusion along a third direction; the third direction is perpendicular to the first direction and the second direction.

[0032] As a further improved technical solution of the present invention, along the first direction, the second supporting protrusion is located between the third contact protrusion and the third abutting portion.

[0033] As a further improved technical solution of the present invention, along the second direction, the second supporting protrusion is located between the third abutting elastic arm and the fourth abutting elastic arm.

[0034] As a further improved technical solution of the present invention, the material of the second conductive plate is metal, or conductive plastic, or the inner layer is plastic and the outer layer is metal.

[0035] As a further improved technical solution of the present invention, the second terminal module includes a second insulating block, the plurality of second conductive terminals are fixed to the second insulating block, and the second insulating block is provided with a second mounting groove for mounting the second grounding plate;

[0036] The second elastic arm of each second conductive terminal extends out of the second insulating block; the third contact protrusion abuts against the root of the second elastic arm of the third grounding terminal; the fourth contact protrusion abuts against the root of the second elastic arm of the fourth grounding terminal.

[0037] As a further improved technical solution of the present invention, the insulating body includes a bottom wall, the bottom wall is provided with a second receiving space penetrating the bottom wall along the third direction, the second receiving space is connected to the docking slot, and the second terminal module is installed in the second receiving space along the third direction.

[0038] As a further improved technical solution of the present invention, the second conductive plate is provided with a second mounting hole, and the bottom wall is provided with a second mounting boss inserted into the second mounting hole.

[0039] Compared with the prior art, the first grounding plate of the present invention includes a first middle part, a first abutting elastic arm and a second abutting elastic arm, the first middle part is provided with a first contact protrusion contacting the first elastic arm of the first grounding terminal and a second contact protrusion abutting the first elastic arm of the second grounding terminal; the first abutting elastic arm includes a first abutting portion abutting on the first elastic arm of the first grounding terminal; the second abutting elastic arm includes a second abutting portion abutting on the first elastic arm of the second grounding terminal; in this way, the first grounding plate forms a double contact with the first elastic arm of the first grounding terminal, and the first grounding plate forms a double contact with the first elastic arm of the second grounding terminal; on the one hand, the grounding shielding effect of the electrical connector is improved and crosstalk is reduced; on the other hand, it is beneficial to improve the reliability of the first elastic arm of the first grounding terminal and the first elastic arm of the second grounding terminal, and reduce their deformation failure risk. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] Figure 1It is a three-dimensional schematic diagram of a connector assembly of the present invention in one embodiment.

[0041] Figure 2 yes Figure 1 Partial exploded view of the .

[0042] Figure 3 yes Figure 2 A three-dimensional schematic diagram of the docking connector.

[0043] Figure 4 yes Figure 3 A three-dimensional diagram from another angle.

[0044] Figure 5 It is a partial three-dimensional exploded view of the electrical connector of the present invention.

[0045] Figure 6 yes Figure 5 A three-dimensional schematic diagram of the insulating body.

[0046] Figure 7 yes Figure 6 A three-dimensional diagram from another angle.

[0047] Figure 8 It is a partial three-dimensional exploded view of the first terminal module.

[0048] Fig. 9 yes Figure 8 Partial three-dimensional exploded view from another angle.

[0049] Fig.10 yes Figure 8 Further exploded view.

[0050] Fig.11 yes Fig.10 Exploded three-dimensional image from another angle.

[0051] Fig.12 It is a partial three-dimensional exploded view of the second terminal module.

[0052] Fig.13 yes Fig.12 Partial exploded perspective view from another angle.

[0053] Fig.14 yes Fig.12 Further exploded view.

[0054] Fig.15 yes Fig.14 Exploded three-dimensional image from another angle.

[0055] Fig.16 is along Figure 1 Schematic diagram of the cross section along line BB.

[0056] Fig.17is along Figure 1 Schematic diagram of the cross section along the CC line. DETAILED DESCRIPTION

[0057] The exemplary embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. If there are several embodiments, the features of these embodiments can be combined with each other without conflict. When the description refers to the drawings, unless otherwise specified, the same numbers in different drawings represent the same or similar elements. The contents described in the following exemplary embodiments do not represent all embodiments consistent with the present invention; on the contrary, they are only examples of devices, products and / or methods consistent with some aspects of the present invention as recorded in the claims of the present invention.

[0058] The terms used in the present invention are only for the purpose of describing specific embodiments, and are not intended to limit the scope of protection of the present invention. The singular forms "a", "said" or "the" used in the specification and claims of the present invention are also intended to include plural forms, unless the context clearly indicates other meanings.

[0059] It should be understood that the words used in the specification and claims of the present invention, such as "first", "second" and similar words, do not indicate any order, quantity or importance, but are only used to distinguish the names of features. Similarly, words such as "one" or "an" do not indicate a quantitative limitation, but indicate the existence of at least one. Unless otherwise specified, words such as "front", "rear", "upper", "lower" and similar words appearing in the present invention are only for the convenience of explanation and are not limited to a specific position or a spatial orientation. Words such as "include" or "comprise" are an open-ended expression, meaning that the elements appearing before "include" or "comprise" include the elements appearing after "include" or "comprise" and their equivalents, which does not exclude that the elements appearing before "include" or "comprise" may also include other elements. If "several" appears in the present invention, it means two or more.

[0060] Please refer to Figures 1 to 4 As shown, the present invention discloses a connector assembly 300, which includes an electrical connector 100 and a docking connector 200 that matches the electrical connector 100. In one embodiment of the present invention, the electrical connector 100 is a cable connector. Of course, in other embodiments, the electrical connector 100 can also be a board-end connector for mounting on a circuit board.

[0061] Please combine Figure 3 as well as Figure 4As shown, the docking connector 200 includes a tongue plate 201 for at least partially inserting into the electrical connector 100. The upper surface and the lower surface of the tongue plate 201 are respectively provided with a plurality of first conductive plates 2011 and a plurality of second conductive plates 2012. In the illustrated embodiment of the present invention, the plurality of first conductive plates 2011 include a plurality of first differential pair conductive plates DP1', a plurality of first ground conductive plates G1' and a plurality of second ground conductive plates G2', wherein a first ground conductive plate G1' and a second ground conductive plate G2' are respectively provided on both sides of each first differential pair conductive plate DP1'. Similarly, the plurality of second conductive plates 2012 include a plurality of second differential pair conductive plates DP2', a plurality of third ground conductive plates G3' and a plurality of fourth ground conductive plates G4', wherein a third ground conductive plate G3' and a fourth ground conductive plate G4' are respectively provided on both sides of each second differential pair conductive plate DP2'.

[0062] Please combine Figure 5 As shown, the electrical connector 100 includes an insulating body 3, a first terminal module 1 installed on the insulating body 3, a second terminal module 2 installed on the insulating body 3, a first conductive plate 4 installed on the insulating body 3, and a second conductive plate 5 installed on the insulating body 3.

[0063] Please combine Figure 6 as well as Figure 7 As shown, in the illustrated embodiment of the present invention, the insulating body 3 includes a docking surface 31, a docking slot 310 that penetrates the docking surface 31 along a first direction A-A1 (e.g., a front-to-back direction), a top wall 32, a bottom wall 33, a first side wall 34, and a second side wall 35. The docking slot 310 is surrounded by the top wall 32, the bottom wall 33, the first side wall 34, and the second side wall 35. The docking slot 310 is used to at least partially accommodate the tongue plate 201 of the docking connector 200.

[0064] In the illustrated embodiment of the present invention, the top wall 32 is provided with a first receiving space 320 that penetrates the top wall 32 upward along a third direction A3-A3 (e.g., vertical direction) and a plurality of first positioning grooves 321 that are connected to the first receiving space 320. The first receiving space 320 and the first positioning grooves 321 are both connected to the docking slot 310. In addition, the top wall 32 is further provided with a plurality of first mounting bosses 322 that protrude upward.

[0065] Similarly, in the illustrated embodiment of the present invention, the bottom wall 33 is provided with a second receiving space 330 penetrating downwardly through the bottom wall 33 along a third direction A3-A3 (e.g., vertical direction) and a plurality of second positioning grooves 331 communicating with the second receiving space 330. Both the second receiving space 330 and the second positioning grooves 331 are communicated with the docking slot 310. In addition, the bottom wall 33 is further provided with a plurality of second mounting bosses 332 protruding downwardly.

[0066] The first conductive plate 4 is made of metal, conductive plastic, or plastic inside and metal outside. The first conductive plate 4 is provided with a plurality of first mounting holes 41 , and the first mounting bosses 322 are inserted and fixed in the first mounting holes 41 .

[0067] The second conductive plate 5 is made of metal, conductive plastic, or plastic inside and metal outside. The second conductive plate 5 is provided with a plurality of second mounting holes 51 , and the second mounting bosses 332 are inserted and fixed in the second mounting holes 51 .

[0068] Please combine Figure 5 as well as Figures 6 to 11 As shown, the first terminal module 1 includes a first insulating block 13, a plurality of first conductive terminals 11 fixed to the first insulating block 13, and a first grounding plate 12 installed on the first insulating block 13. Each first conductive terminal 11 includes a first main body 111, a first elastic arm 112 extending from the first main body 111, and a first tail 113 extending from the first main body 111. The first elastic arm 112 includes a first docking portion 1121 protruding into the docking slot 310. The first tail 113 is used to electrically connect to a cable (not shown). In the illustrated embodiment of the present invention, the first terminal module 1 is installed in the first receiving space 320 along the third direction A3-A3. The first elastic arm 112 is received in the corresponding first positioning groove 321.

[0069] In one embodiment of the present invention, the plurality of first conductive terminals 11 are embedded in the first insulating block 13. Of course, those skilled in the art will appreciate that the plurality of first conductive terminals 11 can also be fixed to the first insulating block 13 by assembly or the like. The first insulating block 13 is provided with a first mounting groove 131, and the first main body 111 of the first conductive terminal 11 is partially exposed in the first mounting groove 131. The first mounting groove 131 is used to mount the first grounding plate 12.

[0070] The plurality of first conductive terminals 11 include a first signal terminal group DP1, a first ground terminal G1 located on one side of the first signal terminal group DP1 along a second direction A2-A2 (e.g., left-right direction), and a second ground terminal G2 located on the other side of the first signal terminal group DP1 along the second direction A2-A2. The first direction A1-A1, the second direction A2-A2, and the third direction A3-A3 are perpendicular to each other. The first signal terminal group DP1 includes a first signal terminal S1 and a second signal terminal S2. In the illustrated embodiment of the present invention, the first signal terminal S1 and the second signal terminal S2 form a differential pair.

[0071] The first grounding plate 12 includes a first main body portion 121 , a first middle portion 122 connected to the first main body portion 121 , a plurality of first abutting elastic arms 123 connected to the first middle portion 122 , and a plurality of second abutting elastic arms 124 connected to the first middle portion 122 .

[0072] The first body portion 121 is substantially wavy in shape, and includes a first overlap portion 1211 in contact with the first body portion 111 of the first ground terminal G1, a second overlap portion 1212 in contact with the first body portion 111 of the second ground terminal G2, and a first avoidance portion 1213 connecting the first overlap portion 1211 and the second overlap portion 1212. The first avoidance portion 1213 is in an upward bulge shape, and the first avoidance portion 1213 is configured to avoid the first signal terminal group DP1 so as not to contact the first signal terminal group DP1, thereby preventing a short circuit.

[0073] The first middle portion 122 is provided with a first contact protrusion 1221 in contact with the first elastic arm 112 of the first grounding terminal G1, a second contact protrusion 1222 in contact with the first elastic arm 112 of the second grounding terminal G2, and a first support protrusion 1223 extending away from the first contact protrusion 1221 and the second contact protrusion 1222. In the illustrated embodiment of the present invention, the first middle portion 122 is provided with a plurality of first hollow grooves 1220 arranged at intervals along the second direction A2-A2. The first contact protrusion 1221 and the second contact protrusion 1222 are bent downward from the rear end edge of the first middle portion 122. The first support protrusion 1223 is bent upward, and the first support protrusion 1223 corresponds to the first hollow groove 1220 along the third direction A3-A3.

[0074] The first abutting elastic arm 123 of the first grounding sheet 12 includes a first abutting portion 1231 abutting against the first elastic arm 112 of the first grounding terminal G1. The second abutting elastic arm 124 of the first grounding sheet 12 includes a second abutting portion 1241 abutting against the first elastic arm 112 of the second grounding terminal G2. The first abutting portion 1231 and the first contact protrusion 1221 are spaced apart along the first direction A1-A1, and the second abutting portion 1241 and the second contact protrusion 1222 are spaced apart along the first direction A1-A1.

[0075] In the illustrated embodiment of the present invention, along the first direction A1-A1, the first abutting portion 1231 is located between the first docking portion 1121 of the first grounding terminal G1 and the first contact protrusion 1221. Similarly, along the first direction A1-A1, the second abutting portion 1241 is located between the first docking portion 1121 of the second grounding terminal G2 and the second contact protrusion 1222.

[0076] The width of the first abutting elastic arm 123 of the first grounding sheet 12 along the second direction A2-A2 is generally smaller than the width of the first elastic arm 112 of the first grounding terminal G1 along the second direction A2-A2. Similarly, the width of the second abutting elastic arm 124 of the first grounding sheet 12 along the second direction A2-A2 is generally smaller than the width of the first elastic arm 112 of the second grounding terminal G2 along the second direction A2-A2.

[0077] Along the first direction A1-A1, the first supporting protrusion 1223 is located between the first contacting protrusion 1221 and the first abutting portion 1231. Along the second direction A2-A2, the first supporting protrusion 1223 is located between the first abutting elastic arm 123 and the second abutting elastic arm 124. The first conductive plate 4 is pressed against the first supporting protrusion 1223 along the third direction A3-A3. Such a configuration can improve the grounding shielding effect on the one hand; on the other hand, it is conducive to better supporting the first grounding plate 12, so as to increase the abutting force of the first abutting elastic arm 123 and the second abutting elastic arm 124.

[0078] The first elastic arm 112 of each first conductive terminal 11 extends forward and protrudes out of the first insulating block 13. The first contact protrusion 1221 abuts against the root of the first elastic arm 112 of the first grounding terminal G1 to reduce the influence on the elasticity of the first elastic arm 112 of the first grounding terminal G1 as much as possible; the second contact protrusion 1222 abuts against the root of the first elastic arm 112 of the second grounding terminal G2 to reduce the influence on the elasticity of the first elastic arm 112 of the second grounding terminal G2 as much as possible.

[0079] Please combine Figure 5 as well as Figures 12 to 15 As shown, the second terminal module 2 includes a second insulating block 23, a plurality of second conductive terminals 21 fixed to the second insulating block 23, and a second grounding plate 22 installed on the second insulating block 23. Each second conductive terminal 21 includes a second main body 211, a second elastic arm 212 extending from the second main body 211, and a second tail 213 extending from the second main body 211. The second elastic arm 212 includes a second docking portion 2121 protruding into the docking slot 310. The second tail 213 is used to electrically connect to a cable (not shown). In the illustrated embodiment of the present invention, the second terminal module 2 is installed in the second receiving space 330 along the third direction A3-A3. The second elastic arm 212 is received in the corresponding second positioning groove 331.

[0080] In one embodiment of the present invention, the plurality of second conductive terminals 21 are embedded in the second insulating block 23. Of course, those skilled in the art will appreciate that the plurality of second conductive terminals 21 can also be fixed to the second insulating block 23 by assembly or the like. The second insulating block 23 is provided with a second mounting groove 231, and the second main body 211 of the second conductive terminal 21 is partially exposed in the second mounting groove 231. The second mounting groove 231 is used to mount the second grounding sheet 22.

[0081] The plurality of second conductive terminals 21 include a second signal terminal group DP2, a third ground terminal G3 located at one side of the second signal terminal group DP2 along the second direction A2-A2, and a fourth ground terminal G4 located at the other side of the second signal terminal group DP2 along the second direction A2-A2. The second signal terminal group DP2 includes a third signal terminal S3 and a fourth signal terminal S4. In the illustrated embodiment of the present invention, the third signal terminal S3 and the fourth signal terminal S4 form a differential pair.

[0082] The second grounding plate 22 includes a second main body portion 221 , a second middle portion 222 connected to the second main body portion 221 , a plurality of third abutting elastic arms 223 connected to the second middle portion 222 , and a plurality of fourth abutting elastic arms 224 connected to the second middle portion 222 .

[0083] The second body portion 221 is generally wavy in shape, and includes a third overlapping portion 2211 in contact with the second body portion 211 of the third ground terminal G3, a fourth overlapping portion 2212 in contact with the second body portion 211 of the fourth ground terminal G4, and a second avoiding portion 2213 connecting the third overlapping portion 2211 and the fourth overlapping portion 2212. The second avoiding portion 2213 is in a downwardly concave shape, and the second avoiding portion 2213 is configured to avoid the second signal terminal group DP2 so as not to contact the second signal terminal group DP2 to prevent a short circuit.

[0084] The second middle portion 222 is provided with a third contact protrusion 2221 contacting the second elastic arm 212 of the third grounding terminal G3, a fourth contact protrusion 2222 abutting the second elastic arm 212 of the fourth grounding terminal G4, and a second support protrusion 2223 extending away from the third contact protrusion 2221 and the fourth contact protrusion 2222. In the illustrated embodiment of the present invention, the second middle portion 222 is provided with a plurality of second hollow grooves 2220 arranged at intervals along the second direction A2-A2. The third contact protrusion 2221 and the fourth contact protrusion 2222 are bent downward from the rear end edge of the second middle portion 222. The second support protrusion 2223 is bent upward, and the second support protrusion 2223 corresponds to the second hollow groove 2220 along the third direction A3-A3.

[0085] The third abutting elastic arm 223 of the second grounding piece 22 includes a third abutting portion 2231 abutting against the second elastic arm 212 of the third grounding terminal G3. The fourth abutting elastic arm 224 of the second grounding piece 22 includes a fourth abutting portion 2241 abutting against the second elastic arm 212 of the fourth grounding terminal G4. The third abutting portion 2231 and the third contact protrusion 2221 are arranged at intervals along the first direction A1-A1, and the fourth abutting portion 2241 and the fourth contact protrusion 2222 are arranged at intervals along the first direction A1-A1.

[0086] In the illustrated embodiment of the present invention, along the first direction A1-A1, the third abutting portion 2231 is located between the second abutting portion 2121 of the third grounding terminal G3 and the third contact protrusion 2221. Similarly, along the first direction A1-A1, the fourth abutting portion 2241 is located between the second abutting portion 2121 of the fourth grounding terminal G4 and the fourth contact protrusion 2222.

[0087] The width of the third abutting elastic arm 223 of the second grounding sheet 22 along the second direction A2-A2 is generally smaller than the width of the second elastic arm 212 of the third grounding terminal G3 along the second direction A2-A2. Similarly, the width of the fourth abutting elastic arm 224 of the second grounding sheet 22 along the second direction A2-A2 is generally smaller than the width of the second elastic arm 212 of the fourth grounding terminal G4 along the second direction A2-A2.

[0088] Along the first direction A1-A1, the second supporting protrusion 2223 is located between the third contacting protrusion 2221 and the third abutting portion 2231. Along the second direction A2-A2, the second supporting protrusion 2223 is located between the third abutting elastic arm 223 and the fourth abutting elastic arm 224. The second conductive plate 5 is pressed against the second supporting protrusion 2223 along the third direction A3-A3. Such a configuration can improve the grounding shielding effect on the one hand; on the other hand, it is conducive to better supporting the second grounding plate 22, so as to increase the abutting force of the third abutting elastic arm 223 and the fourth abutting elastic arm 224.

[0089] The second elastic arm 212 of each second conductive terminal 21 extends forward and protrudes out of the second insulating block 23. The third contact protrusion 2221 abuts against the root of the second elastic arm 212 of the third grounding terminal G3 to reduce the influence on the elasticity of the second elastic arm 212 of the third grounding terminal G3 as much as possible; the fourth contact protrusion 2222 abuts against the root of the second elastic arm 212 of the fourth grounding terminal G4 to reduce the influence on the elasticity of the second elastic arm 212 of the fourth grounding terminal G4 as much as possible.

[0090] Compared with the prior art, the first grounding plate 12 of the present invention includes a first middle portion 122, a first abutting elastic arm 123 and a second abutting elastic arm 124, the first middle portion 122 is provided with a first contact protrusion 1221 contacting the first elastic arm 112 of the first grounding terminal G1 and a second contact protrusion 1222 abutting the first elastic arm 112 of the second grounding terminal G2; the first abutting elastic arm 123 includes a first abutting portion 1231 abutting against the first elastic arm 112 of the first grounding terminal G1; the second abutting elastic arm 124 includes a first abutting portion 1231 abutting against the first elastic arm 112 of the first grounding terminal G1; A second abutment portion 1241 on the first elastic arm 112 of the second grounding terminal G2; in this configuration, the first grounding plate 12 forms a double contact with the first elastic arm 112 of the first grounding terminal G1, and the first grounding plate 12 forms a double contact with the first elastic arm 112 of the second grounding terminal G2; on the one hand, the grounding shielding effect of the electrical connector 100 is improved and crosstalk is reduced; on the other hand, it is beneficial to improve the reliability of the first elastic arm 112 of the first grounding terminal G1 and the first elastic arm 112 of the second grounding terminal G2, and reduce their deformation failure risks.

[0091] Similarly, the second grounding plate 22 of the present invention includes a second middle portion 222, a third abutting elastic arm 223 and a fourth abutting elastic arm 224, the second middle portion 222 is provided with a third contact protrusion 2221 contacting the second elastic arm 212 of the third grounding terminal G3 and a fourth contact protrusion 2222 abutting the second elastic arm 212 of the fourth grounding terminal G4; the third abutting elastic arm 223 includes a third abutting portion 2231 abutting against the second elastic arm 212 of the third grounding terminal G3; the fourth abutting elastic arm 224 ... third ground The fourth abutment portion 2241 on the second elastic arm 212 of the grounding terminal G4; in this way, the second grounding plate 22 forms a double contact with the second elastic arm 212 of the third grounding terminal G3, and the second grounding plate 22 forms a double contact with the second elastic arm 212 of the fourth grounding terminal G4; on the one hand, the grounding shielding effect of the electrical connector 100 is improved and the crosstalk is reduced; on the other hand, it is beneficial to improve the reliability of the second elastic arm 212 of the third grounding terminal G3 and the second elastic arm 212 of the fourth grounding terminal G4, and reduce their deformation failure risks.

[0092] The above implementation modes are only used to illustrate the present invention and are not intended to limit the technical solutions described in the present invention. The understanding of the present invention should be based on the technical personnel in the relevant technical field. Although the present invention has been described in detail in this specification with reference to the above implementation modes, the ordinary technical personnel in the field should understand that the technical personnel in the relevant technical field can still modify or replace the present invention with equivalents, and all technical solutions and improvements thereof that do not depart from the spirit and scope of the present invention should be covered within the scope of the claims of the present invention.

Claims

1. An electrical connector (100), characterized in that: include: An insulating body (3), the insulating body (3) comprising a docking surface (31) and a docking slot (310) penetrating the docking surface (31) along a first direction (A1-A1); and A first terminal module (1), the first terminal module (1) comprising a plurality of first conductive terminals (11) and a first grounding plate (12), each of the first conductive terminals (11) comprising a first main body portion (111) and a first elastic arm (112) extending from the first main body portion (111), the first elastic arm (112) comprising a first docking portion (1121) protruding into the docking slot (310); The plurality of first conductive terminals (11) include a first signal terminal group (DP1), a first ground terminal (G1) located on one side of the first signal terminal group (DP1) along a second direction (A2-A2), and a second ground terminal (G2) located on the other side of the first signal terminal group (DP1) along the second direction (A2-A2); the first direction (A1-A1) and the second direction (A2-A2) are perpendicular to each other; the first signal terminal group (DP1) includes a first signal terminal (S1) and a second signal terminal (S2); The first grounding plate (12) comprises a first main body (121), a first middle part (122) connected to the first main body (121), a first abutting elastic arm (123) connected to the first middle part (122), and a second abutting elastic arm (124) connected to the first middle part (122); the first main body (121) comprises a first overlapping part (1211) in contact with the first main body (111) of the first grounding terminal (G1), a second overlapping part (1212) in contact with the first main body (111) of the second grounding terminal (G2), and a first avoiding part (1213) connecting the first overlapping part (1211) and the second overlapping part (1212), wherein the first avoiding part (1213) is configured to avoid the first signal terminal group (DP1) so as not to contact the first signal terminal group (DP1); the first middle part (122) is provided with a first overlapping part (1211) in contact with the first main body (111) of the second grounding terminal (G2); A first contact protrusion (1221) in contact with the first elastic arm (112) of the first grounding terminal (G1) and a second contact protrusion (1222) abutting against the first elastic arm (112) of the second grounding terminal (G2); the first abutting elastic arm (123) of the first grounding sheet (12) includes a first abutting portion (1231) abutting against the first elastic arm (112) of the first grounding terminal (G1); the second abutting elastic arm (124) of the first grounding sheet (12) includes a second abutting portion (1241) abutting against the first elastic arm (112) of the second grounding terminal (G2); the first abutting portion (1231) and the first contact protrusion (1221) are spaced apart along the first direction (A1-A1), and the second abutting portion (1241) and the second contact protrusion (1222) are spaced apart along the first direction (A1-A1).

2. The electrical connector (100) according to claim 1, characterized in that: Along the first direction (A1-A1), the first abutting portion (1231) is located between the first docking portion (1121) of the first grounding terminal (G1) and the first contact protrusion (1221); Along the first direction (A1-A1), the second abutting portion (1241) is located between the first docking portion (1121) of the second grounding terminal (G2) and the second contact protrusion (1222).

3. The electrical connector (100) according to claim 1, characterized in that: The width of the first abutting elastic arm (123) of the first grounding plate (12) along the second direction (A2-A2) is generally smaller than the width of the first elastic arm (112) of the first grounding terminal (G1) along the second direction (A2-A2); The width of the second abutting elastic arm (124) of the first grounding plate (12) along the second direction (A2-A2) is generally smaller than the width of the first elastic arm (112) of the second grounding terminal (G2) along the second direction (A2-A2).

4. The electrical connector (100) according to claim 1, characterized in that: The first middle portion (122) of the first grounding plate (12) further includes a first supporting protrusion (1223) extending away from the first contact protrusion (1221); The electrical connector (100) includes a first conductive plate (4) pressed against the first supporting protrusion (1223) along a third direction (A3-A3); the third direction (A3-A3) is perpendicular to the first direction (A1-A1) and the second direction (A2-A2).

5. The electrical connector (100) according to claim 4, characterized in that: Along the first direction (A1-A1), the first supporting protrusion (1223) is located between the first contact protrusion (1221) and the first abutting portion (1231).

6. The electrical connector (100) according to claim 4, characterized in that: Along the second direction (A2-A2), the first supporting protrusion (1223) is located between the first abutting elastic arm (123) and the second abutting elastic arm (124).

7. The electrical connector (100) according to claim 4, characterized in that: The material of the first conductive plate (4) is metal, or conductive plastic, or the inner layer is plastic and the outer layer is metal.

8. The electrical connector (100) according to claim 4, characterized in that: The first terminal module (1) comprises a first insulating block (13), the plurality of first conductive terminals (11) are fixed to the first insulating block (13), and the first insulating block (13) is provided with a first mounting groove (131) for mounting the first grounding plate (12); The first elastic arm (112) of each first conductive terminal (11) extends and protrudes beyond the first insulating block (13); the first contact protrusion (1221) abuts against the root of the first elastic arm (112) of the first grounding terminal (G1); and the second contact protrusion (1222) abuts against the root of the first elastic arm (112) of the second grounding terminal (G2).

9. The electrical connector (100) according to claim 8, characterized in that: The insulating body (3) includes a top wall (32), and the top wall (32) is provided with a first receiving space (320) penetrating the top wall (32) along the third direction (A3-A3), the first receiving space (320) is connected to the docking slot (310), and the first terminal module (1) is installed in the first receiving space (320) along the third direction (A3-A3).

10. The electrical connector (100) according to claim 9, characterized in that: The first conductive plate (4) is provided with a first mounting hole (41), and the top wall (32) is provided with a first mounting boss (322) inserted into the first mounting hole (41).

11. The electrical connector (100) according to claim 1, characterized in that: The electrical connector (100) further comprises a second terminal module (2), the second terminal module (2) comprising a plurality of second conductive terminals (21) and a second grounding plate (22), each second conductive terminal (21) comprising a second main body portion (211) and a second elastic arm (212) extending from the second main body portion (211), the second elastic arm (212) comprising a second docking portion (2121) protruding into the docking slot (310); The plurality of second conductive terminals (21) include a second signal terminal group (DP2), a third ground terminal (G3) located on one side of the second signal terminal group (DP2) along the second direction (A2-A2), and a fourth ground terminal (G4) located on the other side of the second signal terminal group (DP2) along the second direction (A2-A2); the second signal terminal group (DP2) includes a third signal terminal (S3) and a fourth signal terminal (S4); The second grounding plate (22) comprises a second main body portion (221), a second middle portion (222) connected to the second main body portion (221), a third abutting elastic arm (223) connected to the second middle portion (222), and a fourth abutting elastic arm (224) connected to the second middle portion (222); the second main body portion (221) comprises a third overlapping portion (2211) in contact with the second main body portion (211) of the third grounding terminal (G3), a fourth overlapping portion (2212) in contact with the second main body portion (211) of the fourth grounding terminal (G4), and a second avoiding portion (2213) connecting the third overlapping portion (2211) and the fourth overlapping portion (2212), the second avoiding portion (2213) being configured to avoid the second signal terminal group (DP2) so as not to contact the second signal terminal group (DP2); the second middle portion (222) is provided with a third overlapping portion (2211) in contact with the second main body portion (211) of the third grounding terminal (G3), a fourth overlapping portion (2212) in contact with the second main body portion (211) of the fourth grounding terminal (G4), and a second avoiding portion (2213) connecting the third overlapping portion (2211) and the fourth overlapping portion (2212), the second avoiding portion (2213) being configured to avoid the second signal terminal group (DP2) so as not to contact the second signal terminal group (DP2); A third contact protrusion (2221) in contact with the second elastic arm (212) of the third grounding terminal (G3) and a fourth contact protrusion (2222) abutting against the second elastic arm (212) of the fourth grounding terminal (G4); the third abutting elastic arm (223) of the second grounding sheet (22) includes a third abutting portion (2231) abutting against the second elastic arm (212) of the third grounding terminal (G3); the fourth abutting elastic arm (224) of the second grounding sheet (22) includes a fourth abutting portion (2241) abutting against the second elastic arm (212) of the fourth grounding terminal (G4); the third abutting portion (2231) and the third contact protrusion (2221) are spaced apart along the first direction (A1-A1), and the fourth abutting portion (2241) and the fourth contact protrusion (2222) are spaced apart along the first direction (A1-A1).

12. The electrical connector (100) according to claim 11, characterized in that: Along the first direction (A1-A1), the third abutting portion (2231) is located between the second docking portion (2121) of the third grounding terminal (G3) and the third contact protrusion (2221); Along the first direction (A1-A1), the fourth abutting portion (2241) is located between the second docking portion (2121) of the fourth grounding terminal (G4) and the fourth contact protrusion (2222).

13. The electrical connector (100) according to claim 11, characterized in that: The width of the third abutting elastic arm (223) of the third grounding plate along the second direction (A2-A2) is generally smaller than the width of the second elastic arm (212) of the third grounding terminal (G3) along the second direction (A2-A2); The width of the fourth abutting elastic arm (224) of the second grounding plate (22) along the second direction (A2-A2) is generally smaller than the width of the second elastic arm (212) of the fourth grounding terminal (G4) along the second direction (A2-A2).

14. The electrical connector (100) according to claim 11, characterized in that: The second middle portion (222) of the second grounding plate (22) further includes a second supporting protrusion (2223) extending away from the third contact protrusion (2221); The electrical connector (100) includes a second conductive plate (5) pressed against the second supporting protrusion (2223) along a third direction (A3-A3); the third direction (A3-A3) is perpendicular to the first direction (A1-A1) and the second direction (A2-A2).

15. The electrical connector (100) according to claim 14, characterized in that: Along the first direction (A1-A1), the second supporting protrusion (2223) is located between the third contact protrusion (2221) and the third abutting portion (2231).

16. The electrical connector (100) according to claim 14, characterized in that: Along the second direction (A2-A2), the second supporting protrusion (2223) is located between the third abutting elastic arm (223) and the fourth abutting elastic arm (224).

17. The electrical connector (100) according to claim 14, characterized in that: The material of the second conductive plate (5) is metal, or conductive plastic, or the inner layer is plastic and the outer layer is metal.

18. The electrical connector (100) according to claim 14, characterized in that: The second terminal module (2) comprises a second insulating block (23), the plurality of second conductive terminals (21) are fixed to the second insulating block (23), and the second insulating block (23) is provided with a second mounting groove (231) for mounting the second grounding plate (22); The second elastic arm (212) of each second conductive terminal (21) extends and protrudes from the second insulating block (23); the third contact protrusion (2221) abuts against the root of the second elastic arm (212) of the third grounding terminal (G3); and the fourth contact protrusion (2222) abuts against the root of the second elastic arm (212) of the fourth grounding terminal (G4).

19. The electrical connector (100) according to claim 18, characterized in that: The insulating body (3) includes a bottom wall (33), and the bottom wall (33) is provided with a second receiving space (330) penetrating the bottom wall (33) along the third direction (A3-A3), the second receiving space (330) is connected to the docking slot (310), and the second terminal module (2) is installed in the second receiving space (330) along the third direction (A3-A3).

20. The electrical connector (100) according to claim 19, characterized in that: The second conductive plate (5) is provided with a second mounting hole (51), and the bottom wall (33) is provided with a second mounting boss (332) inserted into the second mounting hole (51).

Citation Information

Cited By

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