Electrical connector

Abstract

An electrical connector includes an insulating body, a first ground plane, and a first terminal module. The insulating body has a receiving slot configured to accommodate the mating module. The first ground plane is disposed on the insulating body. The first terminal module includes a plurality of first signal terminals and a first grounding plate. The first grounding plate has a first base, a plurality of first grounding terminals extending from the first base, and a first grounding protrusion extending from the first base. Both the first signal terminals and the first grounding terminals have a first resilient arm, and the first resilient arm has a first contact portion protruding into the receiving slot. The first contact portion is configured to make electrical contact with the mating module. The first grounding protrusion contacts the first ground plane, thereby improving the grounding effect.

Description

Technical Field

[0001] This invention claims priority to Chinese Patent Application No. 2024117470582, filed on November 29, 2024, entitled "Electrical Connector", the entire contents of which are incorporated herein by reference.

[0002] This invention relates to an electrical connector, belonging to the field of connector technology. Prior Technology

[0003] Electrical connectors in related technologies typically include an insulating body, a plurality of conductive terminals, and a grounding shield. The aforementioned conductive terminals include a plurality of signal terminals and a plurality of grounding terminals. The aforementioned grounding shield is typically in contact with the aforementioned grounding terminals to improve the quality of signal transmission.

[0004] However, as the requirements for output transmission quality continue to increase, there is still room for improvement in the grounding effect of related technologies. Summary of the Invention

[0005] The purpose of this invention is to provide an electrical connector with an improved grounding structure.

[0006] To achieve the aforementioned objectives, the present invention adopts the following technical solution: an electrical connector comprising: an insulating body having a receiving slot configured to accommodate a mating module, the receiving slot extending along a first direction; a first grounding plate disposed on the insulating body; and a first terminal module comprising a plurality of first signal terminals and a first grounding plate, the first grounding plate having a first base, a plurality of first grounding terminals extending from the first base, and a first grounding protrusion; both the first signal terminals and the first grounding terminals having a first elastic arm, the first elastic arm having a first contact portion protruding into the receiving slot, the first contact portion being configured to make electrical contact with the mating module; wherein the first grounding protrusion is in contact with the first grounding plate.

[0007] As a further improved technical solution of the present invention, the aforementioned first terminal module includes a plurality of first cables, and the aforementioned first cables are connected to the aforementioned first signal terminal.

[0008] As a further improved technical solution of the present invention, the aforementioned first terminal module includes a first grounding shield, the aforementioned first grounding shield includes a first shielding portion that at least partially covers the aforementioned first cable, a first abutting portion extending from one side of the aforementioned first shielding portion, and a second abutting portion extending from the other side of the aforementioned first shielding portion, the aforementioned first abutting portion and the aforementioned second abutting portion are both configured to contact one side of the aforementioned first grounding sheet.

[0009] As a further improved technical solution of the present invention, the aforementioned first terminal module includes a second grounding shield, the aforementioned second grounding shield includes a first protruding strip portion and a second protruding strip portion, both of which are configured to contact the other side of the aforementioned first grounding sheet.

[0010] As a further improved technical solution of the present invention, the aforementioned first terminal module includes a first insulating block, the aforementioned first insulating block being at least partially fixed to the aforementioned first signal terminal, the aforementioned first grounding plate and the aforementioned first grounding shielding plate; the aforementioned first elastic arm extends out of the aforementioned first insulating block, and the aforementioned first grounding protrusion protrudes out of the aforementioned first insulating block.

[0011] As a further improved technical solution of the present invention, the aforementioned first grounding protrusion protrudes from the aforementioned first insulating block along the second direction, and the aforementioned second direction is perpendicular to the aforementioned first direction.

[0012] As a further improved technical solution of the present invention, the aforementioned second grounding shield is provided with a plurality of first positioning holes, the aforementioned first insulating block is provided with a plurality of first positioning protrusions, and the aforementioned first positioning protrusions are at least partially inserted into the aforementioned first positioning holes.

[0013] As a further improved technical solution of the present invention, the aforementioned plurality of first signal terminals includes a first differential signal terminal and a second differential signal terminal. The aforementioned first differential signal terminal and the aforementioned second differential signal terminal are arranged adjacent to each other and form a first differential pair. A first grounding terminal is respectively provided on both sides of the aforementioned first differential pair and at a position adjacent to the aforementioned first differential pair.

[0014] As a further improvement of the present invention, the aforementioned electrical connector further includes a second terminal module, which includes a plurality of second signal terminals and a second grounding plate. The second grounding plate is provided with a second base, a plurality of second grounding terminals extending from the second base, and a second grounding protrusion. Both the second signal terminals and the second grounding terminals are provided with a second elastic arm, and the second elastic arm is provided with a second contact portion protruding into the aforementioned receiving slot. The second contact portion is configured to make electrical contact with the aforementioned docking module. The second grounding protrusion contacts the aforementioned first grounding plate.

[0015] As a further improvement of the present invention, the aforementioned second terminal module includes a plurality of second cables, which are connected to the aforementioned second signal terminal.

[0016] As a further improved technical solution of the present invention, the aforementioned second terminal module includes a third grounding shield, the aforementioned third grounding shield includes a second shielding portion that at least partially covers the aforementioned second cable, a third abutting portion extending from one side of the aforementioned second shielding portion, and a fourth abutting portion extending from the other side of the aforementioned second shielding portion, the aforementioned third abutting portion and the aforementioned fourth abutting portion are both configured to contact one side of the aforementioned second grounding sheet.

[0017] As a further improved technical solution of the present invention, the aforementioned second terminal module includes a fourth grounding shield, the aforementioned fourth grounding shield includes a third protruding part and a fourth protruding part, and the aforementioned third protruding part and the aforementioned fourth protruding part are both configured to contact the other side of the aforementioned second grounding piece.

[0018] As a further improved technical solution of the present invention, the aforementioned second terminal module includes a second insulating block, the aforementioned second insulating block being at least partially fixed to the aforementioned second signal terminal, the aforementioned second grounding plate and the aforementioned third grounding shielding plate; the aforementioned second elastic arm extends out of the aforementioned second insulating block, and the aforementioned second grounding protrusion protrudes out of the aforementioned second insulating block.

[0019] As a further improved technical solution of the present invention, the aforementioned second grounding protrusion protrudes from the aforementioned second insulating block along the second direction, and the aforementioned second direction is perpendicular to the aforementioned first direction.

[0020] As a further improved technical solution of the present invention, the aforementioned fourth grounding shield is provided with a plurality of second positioning holes, the aforementioned second insulating block is provided with a plurality of second positioning protrusions, and the aforementioned second positioning protrusions are at least partially inserted into the aforementioned second positioning holes.

[0021] As a further improved technical solution of the present invention, the aforementioned plurality of second signal terminals includes a third differential signal terminal and a fourth differential signal terminal. The aforementioned third differential signal terminal and the aforementioned fourth differential signal terminal are arranged adjacent to each other and form a second differential pair. A second grounding terminal is respectively provided on both sides of the aforementioned second differential pair and at a position adjacent to the aforementioned second differential pair.

[0022] As a further improved technical solution of the present invention, the aforementioned electrical connector further includes a first ground plane located between the aforementioned first terminal module and the aforementioned second terminal module, wherein the aforementioned second ground shield is in contact with one side of the aforementioned first ground plane, and the aforementioned fourth ground shield is in contact with the other side of the aforementioned first ground plane.

[0023] As a further improved technical solution of the present invention, the aforementioned first grounding protrusion includes a first straight portion, a first inclined portion, a second inclined portion, a connecting portion connecting the aforementioned first straight portion and the aforementioned first inclined portion, and an arc-shaped portion connecting the aforementioned first inclined portion and the aforementioned second inclined portion. The aforementioned first straight portion and the aforementioned first inclined portion have a first included angle of 45°, the aforementioned first straight portion and the aforementioned second inclined portion have a second included angle of 45°, and the aforementioned arc-shaped portion is provided with an arc-shaped surface that abuts against the aforementioned first grounding plate.

[0024] Compared to conventional technology, the electrical connector of the present invention includes the aforementioned first grounding plate, and the aforementioned first grounding plate has a first grounding protrusion that contacts the aforementioned first grounding plate. With this configuration, the present invention provides an electrical connector with an improved grounding structure. Simple Explanation of the Diagram

[0025] Figure 1 is a perspective view of the electrical connector of the present invention in one embodiment; Figure 2 is a perspective view of Figure 1 from another angle; Figure 3 is a partial exploded perspective view of Figure 1, wherein the insulating body is separated; Figure 4 is a partial exploded perspective view of Figure 3 from another angle; Figure 5 is a further partial exploded perspective view of Figure 3; Figure 6 is a partial exploded perspective view of Figure 5 from another angle; Figure 7 is a perspective view of the first terminal module, the second terminal module, and the first ground plane assembled together; Figure 8 is a perspective view of Figure 7 from another angle; Figure 9 is a partial exploded perspective view of Figure 7, wherein the aforementioned first terminal module, the aforementioned second terminal module, and the aforementioned first ground plane are separated from each other; Figure 10 is a partial exploded perspective view of Figure 9 from another angle; Figure 11 is a further partial exploded perspective view of Figure 9; Figure 12 is a partial exploded perspective view of Figure 11 from another angle; Figure 13 is an exploded perspective view of the first signal terminal, the first cable, the first grounding plate, the first grounding shield, and the second grounding shield in Figure 11; Figure 14 is an exploded perspective view of Figure 13 from another angle; Figure 15 is an exploded perspective view of the second signal terminal, second cable, second grounding plate, third grounding shield, and fourth grounding shield in Figure 11; Figure 16 is an exploded perspective view of Figure 15 from another angle; Figure 17 is an exploded perspective view of the third module; Figure 18 is an exploded perspective view of Figure 17 from another angle; Figure 19 is a cross-sectional view along line BB in Figure 1; Figure 20 is a partial enlarged view of the framed portion C in Figure 19; Figure 21 is a cross-sectional view along line DD in Figure 1. Implementation

[0026] The exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. If multiple embodiments exist, features in these embodiments may be combined with each other without conflict. When the description refers to drawings, unless otherwise stated, 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; rather, they are merely examples of apparatuses, products, and / or methods consistent with some aspects of the present invention as described in the claims of the present invention.

[0027] 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,” “foreword,” 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.

[0028] It should be understood that the terms "first," "second," and similar words used in the specification and claims of this invention do not indicate any order, quantity, or importance, but are merely used to distinguish 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 invention are for ease of explanation only and are not limited to a specific location or spatial orientation. The terms "comprising" or "including" are open-ended expressions, meaning that the element preceding "comprising" or "including" encompasses the element following "comprising" or "including" and its equivalents, but this does not preclude the element preceding "comprising" or "including" from including other elements. In this invention, the term "plural" means two or more.

[0029] Referring to Figures 1 to 21, the present invention discloses an electrical connector 100, which includes an insulating body 1, a plurality of ground plates disposed on the insulating body 1, a first module M1 disposed on the insulating body 1, a second module M2 disposed on the insulating body 1, and a third module M3 disposed on the insulating body 1.

[0030] In the embodiment of the present invention, the aforementioned insulating body 1 includes a mating surface 11, a rear end surface 12 opposite to the mating surface 11 along a first direction A1-A1, a mounting surface 13 for mounting on a circuit board (not shown), and a top surface 14 opposite to the mounting surface 13 along a third direction A3-A3. The aforementioned first direction A1-A1 (e.g., front-to-back direction) is perpendicular to the aforementioned third direction A3-A3 (e.g., vertical direction).

[0031] The aforementioned insulating body 1 has a receiving slot 110 that penetrates the aforementioned mating surface 11 and is configured to receive a mating module (not shown). The receiving slot 110 extends along the aforementioned first direction A1-A1. The aforementioned insulating body 1 has a first receiving cavity 121 that penetrates the aforementioned rear end surface 12 along the aforementioned first direction A1-A1, a second receiving cavity 122 that penetrates the aforementioned rear end surface 12 along the aforementioned first direction A1-A1, and a third receiving cavity 123 that penetrates the aforementioned rear end surface 12 along the aforementioned first direction A1-A1. The aforementioned third receiving cavity 123 is located between the aforementioned first receiving cavity 121 and the aforementioned second receiving cavity 122 along the aforementioned second direction A2-A2 (e.g., left-right direction). The aforementioned third third direction A3-A3 is perpendicular to the aforementioned first direction A1-A1 and the aforementioned second direction A2-A2. The aforementioned first receiving cavity 121, the aforementioned second receiving cavity 122, and the aforementioned third receiving cavity 123 are all connected to the aforementioned receiving slot 110.

[0032] The aforementioned insulating body 1 further includes a first mounting groove 131 penetrating the aforementioned mounting surface 13, a second mounting groove 132 penetrating the aforementioned mounting surface 13, and a third mounting groove 133 penetrating the aforementioned mounting surface 13. The aforementioned third mounting groove 133 is located between the aforementioned first mounting groove 131 and the aforementioned second mounting groove 132 along the aforementioned second direction A2-A2. The aforementioned insulating body 1 also includes a first recess 141 penetrating the aforementioned top surface 14 and communicating with the aforementioned first mounting groove 131, and a second recess 142 penetrating the aforementioned top surface 14 and communicating with the aforementioned second mounting groove 132. The aforementioned third mounting groove 133 communicates with the aforementioned third receiving cavity 123 along the aforementioned third direction A3-A3.

[0033] The aforementioned grounding plate includes a first grounding plate 151 and a second grounding plate 152, wherein the first grounding plate 151 is received in the first mounting groove 131 and the first recess 141, and the second grounding plate 152 is received in the second mounting groove 132 and the second recess 142. Specifically, in the embodiment of the present invention, the first grounding plate 151 includes a first plate portion 1511 received in the first mounting groove 131, a first bent portion 1512 formed by bending the first plate portion 1511, and a first mounting foot 1513 extending from the first plate portion 1511. The first bent portion 1512 is received in the first recess 141 and abuts against the aforementioned insulating body 1. The aforementioned second grounding plate 152 includes a second plate portion 1521 housed in the aforementioned second mounting groove 132, a second bent portion 1522 formed by bending the aforementioned second plate portion 1521, and a second mounting foot 1523 extending from the aforementioned second plate portion 1521. The aforementioned second bent portion 1522 is housed in the aforementioned second recess 142 and abuts against the aforementioned insulating body 1. The aforementioned first mounting foot 1513 and the aforementioned second mounting foot 1523 both extend and protrude from the aforementioned mounting surface 13 to be disposed on the aforementioned circuit board. In the embodiment of the present invention, the aforementioned first mounting foot 1513 and the aforementioned second mounting foot 1523 are staggered along the aforementioned second direction A2-A2.

[0034] The aforementioned first module M1 includes a first terminal module TM1, a second terminal module TM2, and a first ground plane 21 located between the aforementioned first terminal module TM1 and the aforementioned second terminal module TM2.

[0035] The aforementioned first terminal module TM1 includes a plurality of first signal terminals 3a, a first grounding plate 4a, a first grounding shielding plate 5a, a second grounding shielding plate 6a, a plurality of first cables 7a, and a first insulating block 8a.

[0036] The aforementioned first grounding plate 4a is provided with a first base 4a1, a plurality of first grounding terminals 4a2 extending from the aforementioned first base 4a1, a first grounding protrusion 4a3 extending from one side of the aforementioned first base 4a1, and a third grounding protrusion 4a4 extending from the other side of the aforementioned first base 4a1. The aforementioned first signal terminal 3a and the aforementioned first grounding terminal 4a2 are each provided with a first elastic arm 3a1, the aforementioned first elastic arm 3a1 is provided with a first contact portion 3a11 protruding into the aforementioned receiving slot 110, and the aforementioned first contact portion 3a11 is configured to make electrical contact with the aforementioned docking module.

[0037] The aforementioned plurality of first signal terminals 3a includes a first differential signal terminal S1 and a second differential signal terminal S2. The first differential signal terminal S1 and the second differential signal terminal S2 are arranged adjacent to each other and form a first differential pair DP1 to improve the signal transmission rate. A first ground terminal 4a2 is provided on both sides of the first differential pair DP1 and at a position adjacent to the first differential pair DP1 to improve the signal transmission quality.

[0038] Each first cable 7a includes a first core 7a1, a second core 7a2, a first insulating portion 7a3 wrapped around the first core 7a1, a second insulating portion 7a4 wrapped around the second core 7a2, a first shielding layer 7a5 wrapped around the first insulating portion 7a3 and the second insulating portion 7a4, and a first insulating sheath 7a6 located outside the first shielding layer 7a5. The first core 7a1 is electrically connected (e.g., soldered) to the first differential signal terminal S1, and the second core 7a2 is electrically connected (e.g., soldered) to the second differential signal terminal S2.

[0039] The aforementioned first grounding shield 5a includes a first shielding portion 5a0 that at least partially covers the aforementioned first cable 7a, a first abutting portion 5a1 extending from one side of the aforementioned first shielding portion 5a0, a second abutting portion 5a2 extending from the other side of the aforementioned first shielding portion 5a0, a first protruding portion 5a3 extending forward from the aforementioned first abutting portion 5a1, and a second protruding portion 5a4 extending forward from the aforementioned second abutting portion 5a2.

[0040] Both the first abutting portion 5a1 and the second abutting portion 5a2 are configured to contact one side of the first base portion 4a1. The first protruding portion 5a3 and the second protruding portion 5a4 are configured to contact one side of the corresponding first grounding terminal 4a2.

[0041] In the embodiment of the present invention, the aforementioned first shielding portion 5a0 is raised to contact the first shielding layer 7a5 of the aforementioned first cable 7a.

[0042] The aforementioned second grounding shield 6a includes a first body portion 6a0, a plurality of first protruding strip portions 6a1 integrally stamped from the first body portion 6a0, a plurality of second protruding strip portions 6a2 integrally stamped from the first body portion 6a0, a first bent portion 6a3 bent from one end of the first body portion 6a0, and a second bent portion 6a4 bent from the other end of the first body portion 6a0. The plurality of first protruding strip portions 6a1 are spaced apart along the aforementioned first direction A1-A1, and the plurality of second protruding strip portions 6a2 are spaced apart along the aforementioned first direction A1-A1 to form multi-point contact with the corresponding first grounding terminal 4a2. The aforementioned first protruding strip portions 6a1 and the aforementioned second protruding strip portions 6a2 are configured to contact the other side of the corresponding first grounding terminal 4a2.

[0043] The aforementioned first insulating block 8a is at least partially fixed to the aforementioned first signal terminal 3a, the aforementioned first grounding plate 4a, and the aforementioned first grounding shield 5a. The number of the aforementioned first insulating blocks 8a can be one or more. In the embodiment of the present invention, the aforementioned first insulating block 8a is formed on the aforementioned first signal terminal 3a, the aforementioned first grounding plate 4a, and the aforementioned first grounding shield 5a to form a single unit. The first elastic arms 3a1 of the aforementioned first signal terminal 3a and the aforementioned first grounding terminal 4a2 both extend and protrude from the aforementioned first insulating block 8a. The aforementioned first grounding protrusion 4a3 and the aforementioned third grounding protrusion 4a4 both protrude laterally from the aforementioned first insulating block 8a along the aforementioned second direction A2-A2. The aforementioned first grounding protrusion 4a3 contacts the aforementioned first grounding plate 151.

[0044] In an embodiment of the present invention, the aforementioned second grounding shield 6a is provided with a plurality of first positioning holes 6a01, and the aforementioned first insulating block 8a is provided with a plurality of first positioning protrusions 8a1, wherein the aforementioned first positioning protrusions 8a1 are at least partially inserted into the aforementioned first positioning holes 6a01. In one embodiment of the present invention, the aforementioned first positioning protrusions 8a1 can also increase their bonding force with the aforementioned second grounding shield 6a by means of heat fusion or the like.

[0045] Specifically, referring to Figures 19 and 20, in the embodiment of the present invention, the aforementioned first grounding protrusion 4a3 is bent laterally outward and then bent inward. Specifically, the aforementioned first grounding protrusion 4a3 includes a first straight portion 4a31, a first inclined portion 4a32, a second inclined portion 4a33, a first connecting portion 4a34 connecting the aforementioned first straight portion 4a31 and the aforementioned first inclined portion 4a32, and a first arc-shaped portion 4a35 connecting the aforementioned first inclined portion 4a32 and the aforementioned second inclined portion 4a33. The aforementioned first straight portion 4a31 and the aforementioned first inclined portion 4a32 have a first included angle α1 of 45°, and the aforementioned first straight portion 4a31 and the aforementioned second inclined portion 4a33 have a second included angle α2 of 45°. The aforementioned first arc-shaped portion 4a35 is provided with a first arc-shaped surface 4a36 that abuts against the first plate portion 1511 of the aforementioned first grounding plate 151.

[0046] Similarly, the aforementioned second terminal module TM2 includes a plurality of second signal terminals 3b, a second grounding plate 4b, a third grounding shield 5b, a fourth grounding shield 6b, a plurality of second cables 7b, and a second insulating block 8b.

[0047] The aforementioned second grounding plate 4b is provided with a second base 4b1, a plurality of second grounding terminals 4b2 extending from the aforementioned second base 4b1, a second grounding protrusion 4b3 extending from one side of the aforementioned second base 4b1, and a fourth grounding protrusion 4b4 extending from the other side of the aforementioned second base 4b1. Both the aforementioned second signal terminal 3b and the aforementioned second grounding terminal 4b2 are provided with a second elastic arm 3b1, and the aforementioned second elastic arm 3b1 is provided with a second contact portion 3b11 protruding into the aforementioned receiving slot 110. The aforementioned second contact portion 3b11 is configured to make electrical contact with the aforementioned docking module. The aforementioned first elastic arm 3a1 and the aforementioned second elastic arm 3b1 are respectively located on both sides of the aforementioned receiving slot 110 along the aforementioned third direction A3-A3, so as to jointly clamp the aforementioned docking module, thereby improving docking reliability.

[0048] The aforementioned plurality of second signal terminals 3b includes a third differential signal terminal S3 and a fourth differential signal terminal S4. The third differential signal terminal S3 and the fourth differential signal terminal S4 are arranged adjacent to each other and form a second differential pair DP2 to improve the signal transmission rate. A second ground terminal 4b2 is provided on both sides of the second differential pair DP2 and at a position adjacent to the second differential pair DP2 to improve the signal transmission quality.

[0049] Each second cable 7b includes a third core 7b1, a fourth core 7b2, a third insulating portion 7b3 wrapped around the third core 7b1, a fourth insulating portion 7b4 wrapped around the fourth core 7b2, a second shielding layer 7b5 wrapped around the third insulating portion 7b3 and the fourth insulating portion 7b4, and a second insulating sheath 7b6 located outside the second shielding layer 7b5. The third core 7b1 is electrically connected (e.g., soldered) to the third differential signal terminal S3, and the fourth core 7b2 is electrically connected (e.g., soldered) to the fourth differential signal terminal S4.

[0050] The aforementioned third grounding shield 5b includes a second shielding portion 5b0 that at least partially covers the aforementioned second cable 7b, a third abutting portion 5b1 extending from one side of the aforementioned second shielding portion 5b0, a fourth abutting portion 5b2 extending from the other side of the aforementioned second shielding portion 5b0, a third protruding portion 5b3 extending forward from the aforementioned third abutting portion 5b1, and a fourth protruding portion 5b4 extending forward from the aforementioned fourth abutting portion 5b2.

[0051] The aforementioned third abutment portion 5b1 and the aforementioned fourth abutment portion 5b2 are both configured to contact one side of the aforementioned second base portion 4b1. The aforementioned third protrusion portion 5b3 and the aforementioned fourth protrusion portion 5b4 are configured to contact one side of the corresponding second grounding terminal 4b2.

[0052] In the embodiment of the present invention, the aforementioned second shielding portion 5b0 is recessed to contact the second shielding layer 7b5 of the aforementioned second cable 7b.

[0053] The aforementioned fourth grounding shield 6b includes a second body portion 6b0, a plurality of third protruding strip portions 6b1 integrally stamped from the second body portion 6b0, a plurality of fourth protruding strip portions 6b2 integrally stamped from the second body portion 6b0, a third bent portion 6b3 bent from one end of the second body portion 6b0, and a fourth bent portion 6b4 bent from the other end of the second body portion 6b0. The plurality of third protruding strip portions 6b1 are spaced apart along the first direction A1-A1, and the plurality of fourth protruding strip portions 6b2 are spaced apart along the first direction A1-A1 to form multi-point contact with the corresponding second grounding terminal 4b2. The third protruding strip portions 6b1 and the fourth protruding strip portions 6b2 are configured to contact the other side of the corresponding second grounding terminal 4b2.

[0054] The aforementioned second insulating block 8b is at least partially fixed to the aforementioned second signal terminal 3b, the aforementioned second grounding plate 4b, and the aforementioned third grounding shield 5b. The number of the aforementioned second insulating blocks 8b can be one or more. In the embodiment of the present invention, the aforementioned second insulating block 8b is formed on the aforementioned second signal terminal 3b, the aforementioned second grounding plate 4b, and the aforementioned third grounding shield 5b to form a single unit. The second elastic arms 3b1 of the aforementioned second signal terminal 3b and the aforementioned second grounding terminal 4b2 both extend outwards from the aforementioned second insulating block 8b. The aforementioned second grounding protrusion 4b3 and the aforementioned fourth grounding protrusion 4b4 both protrude laterally from the aforementioned second direction A2-A2 from the aforementioned second insulating block 8b. The aforementioned second grounding protrusion 4b3 contacts the aforementioned first grounding plate 151. The aforementioned third grounding protrusion 4a4 and the aforementioned fourth grounding protrusion 4b4 are configured to abut against the aforementioned third module M3.

[0055] In an embodiment of the present invention, the aforementioned fourth grounding shield 6b is provided with a plurality of second positioning holes 6b01, and the aforementioned second insulating block 8b is provided with a plurality of second positioning protrusions 8b1, the aforementioned second positioning protrusions 8b1 being at least partially inserted into the aforementioned second positioning holes 6b01. In one embodiment of the present invention, the aforementioned second positioning protrusions 8b1 can also increase their bonding force with the aforementioned fourth grounding shield 6b by means of heat fusion or the like.

[0056] Specifically, referring to Figures 19 and 20, in the embodiment of the present invention, the aforementioned second grounding protrusion 4b3 is bent laterally outward and then bent inward. Specifically, the aforementioned second grounding protrusion 4b3 includes a second straight portion 4b31, a third inclined portion 4b32, a fourth inclined portion 4b33, a second connecting portion 4b34 connecting the aforementioned second straight portion 4b31 and the aforementioned third inclined portion 4b32, and a second arc-shaped portion 4b35 connecting the aforementioned third inclined portion 4b32 and the aforementioned fourth inclined portion 4b33. The aforementioned second straight portion 4b31 and the aforementioned third inclined portion 4b32 have a third included angle α3 of 45°, and the aforementioned second straight portion 4b31 and the aforementioned fourth inclined portion 4b33 have a fourth included angle α4 of 45°. The aforementioned second arc-shaped portion 4b35 is provided with a second arc-shaped surface 4b36 that abuts against the first plate portion 1511 of the aforementioned first grounding plate 151.

[0057] The aforementioned second grounding shield 6a contacts one side of the aforementioned first grounding plate 21, and the aforementioned fourth grounding shield 6b contacts the other side of the aforementioned first grounding plate 21. This arrangement increases the shielding area, which is beneficial for improving the quality of signal transmission. In the embodiment of the present invention, the aforementioned first grounding plate 21 is provided with a first positioning recess 211 that cooperates with the aforementioned first positioning protrusion 8a1 and a second positioning recess 212 that cooperates with the aforementioned second positioning protrusion 8b1. In one embodiment of the present invention, the aforementioned first positioning recess 211 and the aforementioned second positioning recess 212 are aligned along the aforementioned second direction A2-A2. The aforementioned first positioning recess 211 and the aforementioned second positioning recess 212 are connected along the aforementioned second direction A2-A2. Referring to Figure 21, the aforementioned first grounding plate 21 is located between the aforementioned first bent portion 6a3 and the aforementioned second bent portion 6a4, and also between the aforementioned third bent portion 6b3 and the aforementioned fourth bent portion 6b4.

[0058] Referring to Figures 7 and 8, in the embodiment of the present invention, after the aforementioned first terminal module TM1, the aforementioned second terminal module TM2, and the aforementioned first grounding plate 21 are assembled into the aforementioned first module M1, they are then inserted into the aforementioned first receiving cavity 121 from the aforementioned rear end face 12 along the aforementioned first direction A1-A1. During the contact process between the aforementioned first grounding protrusion 4a3 and the aforementioned second grounding protrusion 4b3 and the aforementioned first grounding plate 151, a certain degree of elastic deformation occurs, thereby ensuring contact reliability.

[0059] In the embodiment of the present invention, the aforementioned first terminal module TM1 and the aforementioned second terminal module TM2 are staggered along the aforementioned third direction A3-A3. Preferably, the aforementioned first terminal module TM1 and the aforementioned second terminal module TM2 are the same part with different mounting angles, so as to achieve part sharing and thereby reduce costs.

[0060] The aforementioned second module M2 includes a third terminal module TM3, a fourth terminal module TM4, and a second ground plane 22 located between the aforementioned third terminal module TM3 and the aforementioned fourth terminal module TM4.

[0061] In the embodiments illustrated in the present invention, the aforementioned first module M1 and the aforementioned second module M2 are arranged symmetrically, so that the description of the aforementioned second module M2 can be referred to the description of the aforementioned first module M1, and the present invention will not repeat it.

[0062] Preferably, the aforementioned first terminal module TM1, the aforementioned second terminal module TM2, the aforementioned third terminal module TM3, and the aforementioned fourth terminal module TM4 are all the same part with different mounting angles, so as to achieve part sharing and reduce costs. The aforementioned second ground plate 22 can also share parts with the aforementioned first ground plate 21, thereby reducing costs.

[0063] In the embodiment of the present invention, the aforementioned third module M3 includes a first terminal module M31, a second terminal module M32, a third terminal module M33, a fourth terminal module M34, and a mounting block 9.

[0064] The aforementioned first terminal module M31 includes a first insulator 9a and a plurality of first terminals 9a1 fixed to the first insulator 9a. In the embodiment of the present invention, the aforementioned first terminals 9a1 are embedded and formed into the aforementioned first insulator 9a to form a single unit. Each first terminal 9a1 includes a first spring arm 9a11 protruding from the aforementioned first insulator 9a and a first mounting tail 9a12 protruding from the aforementioned first insulator 9a. The aforementioned first mounting tail 9a12 is configured to be disposed on the aforementioned circuit board.

[0065] The aforementioned second terminal module M32 includes a second insulator 9b and a plurality of second terminals 9b1 fixed to the second insulator 9b. In the embodiment of the present invention, the aforementioned second terminals 9b1 are embedded and formed into the aforementioned second insulator 9b to form a single unit. Each second terminal 9b1 includes a second spring arm 9b11 protruding from the aforementioned second insulator 9b and a second mounting tail 9b12 protruding from the aforementioned second insulator 9b. The aforementioned second mounting tail 9b12 is configured to be disposed on the aforementioned circuit board.

[0066] The aforementioned third terminal module M33 includes a third insulator 9c and a plurality of third terminals 9c1 fixed to the aforementioned third insulator 9c. In the embodiment of the present invention, the aforementioned third terminals 9c1 are embedded and formed into the aforementioned third insulator 9c to form a whole. Each third terminal 9c1 includes a third spring arm 9c11 protruding from the aforementioned third insulator 9c and a third mounting tail 9c12 protruding from the aforementioned third insulator 9c. The aforementioned third mounting tail 9c12 is configured to be disposed on the aforementioned circuit board.

[0067] The aforementioned fourth terminal module M34 includes a fourth insulator 9d and a plurality of fourth terminals 9d1 fixed to the aforementioned fourth insulator 9d. In the embodiment of the present invention, the aforementioned fourth terminals 9d1 are embedded and formed into the aforementioned fourth insulator 9d to form a single unit. Each fourth terminal 9d1 includes a fourth spring arm 9d11 protruding from the aforementioned fourth insulator 9d and a fourth mounting tail 9d12 protruding from the aforementioned fourth insulator 9d. The aforementioned fourth mounting tail 9d12 is configured to be disposed on the aforementioned circuit board.

[0068] The aforementioned mounting block 9 is provided with a plurality of mounting slots 91 to allow the aforementioned first mounting tail 9a12, the aforementioned second mounting tail 9b12, the aforementioned third mounting tail 9c12, and the aforementioned fourth mounting tail 9d12 to pass through. The functions of the aforementioned first terminal 9a1, the aforementioned second terminal 9b1, the aforementioned third terminal 9c1, and the aforementioned fourth terminal 9d1 can be flexibly determined as needed, including but not limited to, for transmitting power or signals (e.g., low-speed signals).

[0069] In one embodiment of the present invention, in order to accommodate the misaligned arrangement of the first terminal module TM1 and the second terminal module TM2, and the misaligned arrangement of the third terminal module TM3 and the fourth terminal module TM4, the first spring arm 9a11, the second spring arm 9b11, the third spring arm 9c1, and the fourth spring arm 9d1 on the same side (e.g., the upper side) of the first terminal 9a1, the second terminal 9b1, the third terminal 9c1, and the fourth terminal 9d1 can also be designed to deviate from the same side (e.g., to the left) along the second direction A2-A2; the first spring arm 9a11, the second spring arm 9b11, the third spring arm 9c1, and the fourth spring arm 9d1 on the other side (e.g., the lower side) of the first terminal 9a1, the second terminal 9b1, the third terminal 9c1, and the fourth terminal 9d1 can also be designed to deviate from the other side (e.g., to the right) along the second direction A2-A2. With this configuration, the aforementioned first terminal 9a1, the aforementioned second terminal 9b1, the aforementioned third terminal 9c1, and the aforementioned fourth terminal 9d1 can optimize the spacing between them along the aforementioned second direction A2-A2.

[0070] In the embodiment of the present invention, the aforementioned first terminal module M31, the aforementioned second terminal module M32, the aforementioned third terminal module M33, and the aforementioned fourth terminal module M34 are assembled into a whole and then inserted into the aforementioned third receiving cavity 123 from the aforementioned rear end face 12. The aforementioned first insulator 9a, the aforementioned second insulator 9b, the aforementioned third insulator 9c, and the aforementioned fourth insulator 9d are provided with mutually cooperating mounting structures, such as protrusions and grooves, positioning posts and positioning holes, etc.

[0071] After the aforementioned first terminal module M31, the aforementioned second terminal module M32, the aforementioned third terminal module M33 and the aforementioned fourth terminal module M34 are inserted into the aforementioned third receiving cavity 123, the aforementioned mounting block 9 is then placed in the aforementioned third mounting groove 133.

[0072] Compared to conventional technology, the electrical connector 100 of the present invention is provided with a first grounding plate 151, and the aforementioned first grounding plate 4a is provided with a first grounding protrusion 4a3 that contacts the aforementioned first grounding plate 151. With this configuration, the present invention provides an electrical connector 100 with an improved grounding structure, and this grounding structure can reduce the number of parts.

[0073] The above embodiments 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 those skilled in the art. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still make modifications or equivalent substitutions to the present invention. All technical solutions and improvements that do not depart from the spirit and scope of the present invention should be covered within the scope of the patent application of the present invention.

[0074] 1: Insulating body 100: Electrical connector 11: Mutting surface 110: Receiving slot 12: Rear end face 121: First receiving cavity 122: Second receiving cavity 123: Third receiving cavity 13: Mounting surface 131: First mounting groove 132: Second mounting groove 133: Third mounting groove 14: Top surface 141: First notch 142: Second notch 151: First ground plate 1511: First plate portion 1512: First bending portion 1513: First mounting foot 152: Second ground plate 1521: Second plate portion 1522: Second bending portion 1523: Second mounting foot 21: First ground plate 211: First positioning recess 212: Second positioning recess 2 2: Second grounding plate 3a: First signal terminal 3a1: First elastic arm 3a11: First contact portion 3b: Second signal terminal 3b1: Second elastic arm 3b11: Second contact portion 4a: First grounding plate 4a1: First base 4a2: First grounding terminal 4a3: First grounding protrusion 4a31: First straight portion 4a32: First inclined portion 4a33: Second inclined portion 4a34: First connecting portion 4a35: First arc-shaped portion 4a36: First arc-shaped surface 4a4: Third grounding protrusion 4b: Second grounding plate 4b1: Second base 4b2: Second grounding terminal 4b3: Second grounding protrusion 4b31: Second straight portion 4b32: First 4b33: Third inclined portion; 4b34: Fourth inclined portion; 4b35: Second connecting portion; 4b36: Second arc-shaped portion; 4b4: Second arc-shaped surface; 5a: Fourth grounding protrusion; 5a0: First grounding shield; 5a1: First abutting portion; 5a2: Second abutting portion; 5a3: First protruding portion; 5a4: Second protruding portion; 5b: Third grounding shield; 5b0: Second shielding portion; 5b1: Third abutting portion; 5b2: Fourth abutting portion; 5b3: Third protruding portion; 5b4: Fourth protruding portion; 6a: Second grounding shield; 6a0: First body portion; 6a01: First positioning hole; 6a1: First protruding strip portion; 6a2: Second protruding strip portion; 6a3: First bending portion; 6a4 : Second bending portion 6b: Fourth grounding shield 6b0: Second body portion 6b01: Second positioning hole 6b1: Third protrusion portion 6b2: Fourth protrusion portion 6b3: Third bending portion 6b4: Fourth bending portion 7a: First cable 7a1: First core 7a2: Second core 7a3: First insulation portion 7a4: Second insulation portion 7a5: First shielding layer 7a6: First insulating skin 7b: Second cable 7b1: Third core 7b2: Fourth core 7b3: Third insulation portion 7b4: Fourth insulation portion 7b5: Second shielding layer 7b6: Second insulating skin 8a: First insulating block 8a1: First positioning protrusion 8b: Second insulating block 8b1: ​​Second positioning protrusion9: Mounting block 9a: First insulator 9a1: First terminal 9a11: First spring arm 9a12: First mounting tail 9b: Second insulator 9b1: Second terminal 9b11: Second spring arm 9b12: Second mounting tail 9c: Third insulator 9c1: Third terminal 9c11: Third spring arm 9c12: Third mounting tail 9d: Fourth insulator 9d1: Fourth terminal 9d11: Fourth spring arm 9d12: Fourth mounting tail 91: Mounting slot α1: First included angle α2: Second included angle α3: Third included angle α4: Fourth included angle A1-A1: First direction A2- A2: Second direction; A3-A3: Third direction; BB, DD: Line; C: Boxed portion in Figure 19; DP1: First differential pair; DP2: Second differential pair; M1: First module; M2: Second module; M3: Third module; M31: First terminal module; M32: Second terminal module; M33: Third terminal module; M34: Fourth terminal module; S1: First differential signal terminal; S2: Second differential signal terminal; S3: Third differential signal terminal; S4: Fourth differential signal terminal; TM1: First terminal module; TM2: Second terminal module; TM3: Third terminal module; TM4: Fourth terminal module.

Claims

1. An electrical connector, wherein, include: An insulating body, wherein the insulating body is provided with a receiving slot configured to accommodate a docking module, the receiving slot extending along a first direction; a first grounding plate, wherein the first grounding plate is disposed on the insulating body; and a first terminal module, wherein the first terminal module includes a plurality of first signal terminals and a first grounding plate, wherein the first grounding plate is provided with a first base, a plurality of first grounding terminals extending from the first base, and a first grounding protrusion; wherein the first signal terminals and the first grounding terminals are each provided with a first elastic arm, wherein the first elastic arm is provided with a first contact portion protruding into the receiving slot, the first contact portion being configured to make electrical contact with the docking module; wherein the first grounding protrusion is in contact with the first grounding plate.

2. The electrical connector as claimed in claim 1, wherein: The aforementioned first terminal module includes a plurality of first cables, which are connected to the aforementioned first signal terminal.

3. The electrical connector as claimed in claim 2, wherein: The aforementioned first terminal module includes a first grounding shield, which includes a first shielding portion that at least partially covers the aforementioned first cable, a first abutting portion extending from one side of the aforementioned first shielding portion, and a second abutting portion extending from the other side of the aforementioned first shielding portion. Both the aforementioned first abutting portion and the aforementioned second abutting portion are configured to contact one side of the aforementioned first grounding sheet.

4. The electrical connector as described in claim 3, wherein: The aforementioned first terminal module includes a second grounding shield, which includes a first protruding part and a second protruding part. Both the first protruding part and the second protruding part are configured to contact the other side of the aforementioned first grounding sheet.

5. The electrical connector as claimed in claim 4, wherein: The aforementioned first terminal module includes a first insulating block, which is at least partially fixed to the aforementioned first signal terminal, the aforementioned first grounding plate, and the aforementioned first grounding shielding plate; the aforementioned first elastic arm extends out of the aforementioned first insulating block, and the aforementioned first grounding protrusion protrudes out of the aforementioned first insulating block.

6. The electrical connector as claimed in claim 5, wherein: The aforementioned first grounding protrusion protrudes from the aforementioned first insulating block along the second direction, and the aforementioned second direction is perpendicular to the aforementioned first direction.

7. The electrical connector as claimed in claim 5, wherein: The aforementioned second grounding shield is provided with a plurality of first positioning holes, and the aforementioned first insulating block is provided with a plurality of first positioning protrusions, with at least a portion of the aforementioned first positioning protrusions inserted into the aforementioned first positioning holes.

8. The electrical connector as claimed in claim 1, wherein: The aforementioned plurality of first signal terminals includes a first differential signal terminal and a second differential signal terminal. The first differential signal terminal and the second differential signal terminal are arranged adjacent to each other to form a first differential pair. A first grounding terminal is provided on each side of the first differential pair and at a position adjacent to the first differential pair.

9. The electrical connector as claimed in claim 4, wherein: The aforementioned electrical connector further includes a second terminal module, which includes a plurality of second signal terminals and a second grounding plate. The second grounding plate has a second base, a plurality of second grounding terminals extending from the second base, and a second grounding protrusion. Both the second signal terminals and the second grounding terminals have a second elastic arm, and the second elastic arm has a second contact portion protruding into the aforementioned receiving slot. The second contact portion is configured to make electrical contact with the aforementioned mating module. The aforementioned second grounding protrusion contacts the aforementioned first grounding plate.

10. The electrical connector as claimed in claim 9, wherein: The aforementioned second terminal module includes a plurality of second cables, which are connected to the aforementioned second signal terminal.

11. The electrical connector as claimed in claim 10, wherein: The aforementioned second terminal module includes a third grounding shield, which includes a second shielding portion that at least partially covers the aforementioned second cable, a third abutting portion extending from one side of the aforementioned second shielding portion, and a fourth abutting portion extending from the other side of the aforementioned second shielding portion. Both the aforementioned third abutting portion and the aforementioned fourth abutting portion are configured to contact one side of the aforementioned second grounding sheet.

12. The electrical connector as claimed in claim 11, wherein: The aforementioned second terminal module includes a fourth grounding shield, which includes a third protrusion and a fourth protrusion. Both the third and fourth protrusions are configured to contact the other side of the aforementioned second grounding plate.

13. The electrical connector as claimed in claim 12, wherein: The aforementioned second terminal module includes a second insulating block, which is at least partially fixed to the aforementioned second signal terminal, the aforementioned second grounding plate, and the aforementioned third grounding shielding plate; the aforementioned second elastic arm extends out of the aforementioned second insulating block, and the aforementioned second grounding protrusion protrudes out of the aforementioned second insulating block.

14. The electrical connector as claimed in claim 13, wherein: The aforementioned second grounding protrusion protrudes from the aforementioned second insulating block along a second direction, which is perpendicular to the aforementioned first direction.

15. The electrical connector as claimed in claim 13, wherein: The aforementioned fourth grounding shield is provided with a plurality of second positioning holes, and the aforementioned second insulating block is provided with a plurality of second positioning protrusions, with at least a portion of the aforementioned second positioning protrusions inserted into the aforementioned second positioning holes.

16. The electrical connector as claimed in claim 9, wherein: The aforementioned plurality of second signal terminals include a third differential signal terminal and a fourth differential signal terminal. The third differential signal terminal and the fourth differential signal terminal are arranged adjacent to each other to form a second differential pair. A second grounding terminal is provided on both sides of the aforementioned second differential pair and at a position adjacent to the aforementioned second differential pair.

17. The electrical connector as claimed in claim 12, wherein: The aforementioned electrical connector further includes a first ground plane located between the aforementioned first terminal module and the aforementioned second terminal module, wherein the aforementioned second grounding shield is in contact with one side of the aforementioned first ground plane, and the aforementioned fourth grounding shield is in contact with the other side of the aforementioned first ground plane.

18. The electrical connector as described in any one of claims 1 to 17, wherein: The aforementioned first grounding protrusion includes a first straight portion, a first inclined portion, a second inclined portion, a connecting portion connecting the aforementioned first straight portion and the aforementioned first inclined portion, and an arc-shaped portion connecting the aforementioned first inclined portion and the aforementioned second inclined portion. The aforementioned first straight portion and the aforementioned first inclined portion have a first included angle of 45°, the aforementioned first straight portion and the aforementioned second inclined portion have a second included angle of 45°, and the aforementioned arc-shaped portion is provided with an arc-shaped surface that abuts against the aforementioned first grounding plate.

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