Electrical connector and connector assembly

Abstract

An electrical connector includes an insulating body and a plurality of terminal groups. The insulating body includes a docking slot, a first notch and a second notch. The first notch and the second notch are symmetrically arranged on both sides of the docking slot. The plurality of terminal groups include a first conductive terminal, a second conductive terminal, a third conductive terminal and a fourth conductive terminal. The first conductive terminal includes a first docking portion, the second conductive terminal includes a second docking portion, the third conductive terminal includes a third docking portion, and the fourth conductive terminal includes a fourth docking portion. With such an arrangement, the present invention has relatively more terminal groups, which is conducive to improving the speed of data transmission. The present invention also discloses a connector assembly including the electrical connector.

Description

Technical Field

[0001] The invention relates to an electric connector and a connector assembly, belonging to the technical field of connectors. Background Art

[0002] The connector assembly in the related art usually includes a plug connector and a socket connector that cooperate with each other, wherein the socket connector includes an insulating body and a plurality of socket conductive terminals; the plug connector includes a tongue plate and a plurality of metal sheets disposed on the tongue plate.

[0003] As the requirements of various electronic devices for connector components continue to increase, how to improve the efficiency of data transmission is a technical problem that technicians in the relevant technical field need to solve. Summary of the invention

[0004] An object of the present invention is to provide an electrical connector and a connector assembly capable of improving data transmission.

[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, a docking slot penetrating the docking surface along a first direction, and a first notch and a second notch penetrating the docking surface along the first direction and located on both sides of the docking slot, the first notch and the second notch both being connected to the docking slot, and the first notch and the second notch being symmetrically arranged on both sides of the docking slot along a second direction, the second direction being perpendicular to the first direction; and

[0007] A plurality of terminal groups, the plurality of terminal groups comprising a first terminal group and a second terminal group, wherein the first terminal group comprises a first conductive terminal and a second conductive terminal, and the second terminal group comprises a third conductive terminal and a fourth conductive terminal, wherein the first conductive terminal comprises a first elastic arm, the first elastic arm comprises a first docking portion that at least partially protrudes into the docking slot; the second conductive terminal comprises a second elastic arm, the second elastic arm comprises a second docking portion that at least partially protrudes into the docking slot; the third conductive terminal comprises a third elastic arm, the third elastic arm comprises a third docking portion that at least partially protrudes into the docking slot; the fourth conductive terminal comprises a fourth elastic arm, the fourth elastic arm comprises a fourth docking portion that at least partially protrudes into the docking slot; wherein the first docking portion is arranged face to face with the second docking portion, and the third docking portion is arranged face to face with the fourth docking portion.

[0008] As a further improved technical solution of the present invention, the docking slot includes a first slot and a second slot located at the rear end of the first slot and connected to the first slot, wherein the first docking portion and the second docking portion are respectively located on both sides of the first slot along a third direction, and the third docking portion and the fourth docking portion are respectively located on both sides of the second slot along the third direction, and the third direction is perpendicular to the first direction and the second direction.

[0009] As a further improved technical solution of the present invention, the first elastic arm and the second elastic arm are symmetrically arranged on both sides of the first slot along the third direction; the third elastic arm and the fourth elastic arm are symmetrically arranged on both sides of the second slot along the third direction.

[0010] As a further improved technical solution of the present invention, the first docking portion and the third docking portion are located on the same side of the docking slot in the third direction, and the first docking portion and the third docking portion are located at different heights in the third direction;

[0011] The second docking portion and the fourth docking portion are located at a same side of the docking slot in the third direction, and the second docking portion and the fourth docking portion are located at different heights in the third direction.

[0012] As a further improved technical solution of the present invention, the distance between the first docking portion and the second docking portion in the third direction is greater than the distance between the third docking portion and the fourth docking portion in the third direction.

[0013] As a further improved technical solution of the present invention, the electrical connector includes a plurality of terminal modules arranged side by side and assembled together along the second direction, wherein each terminal module includes an insulating block and the plurality of terminal groups fixed to the insulating block.

[0014] As a further improved technical solution of the present invention, the insulating body includes an assembly surface opposite to the docking surface, and the plurality of terminal modules are integrally assembled into the insulating body from the assembly surface after assembly.

[0015] As a further improved technical solution of the present invention, the insulating block includes a first protrusion and a second protrusion, wherein the first protrusion is located between the first docking portion and the third docking portion in the first direction, and the second protrusion is located between the second docking portion and the fourth docking portion in the first direction, the first protrusion is provided with a first guide bevel, and the second protrusion is provided with a second guide bevel, and the first guide bevel and the second guide bevel form a guide socket connected to the second slot.

[0016] As a further improved technical solution of the present invention, the insulating block is not provided with an opening for exposing the second conductive terminal out of the insulating block, the insulating block is provided with a first opening for exposing the first conductive terminal out of the insulating block, the insulating block is provided with a second opening for exposing the third conductive terminal out of the insulating block, and the insulating block is provided with a third opening for exposing the fourth conductive terminal out of the insulating block, wherein the number of the first openings is greater than the number of the second openings, and the number of the second openings is greater than the number of the third openings.

[0017] As a further improved technical solution of the present invention, the insulating body includes a positioning rib located on one side of the docking slot in the second direction and a positioning groove located on the other opposite side of the docking slot in the second direction;

[0018] The electrical connector includes a plurality of terminal modules, which are arranged side by side along the second direction and assembled into a whole, each terminal module includes an insulating block and the plurality of terminal groups fixed to the insulating block, wherein the insulating block of the terminal module located on the first outer side is provided with an assembly groove matching with the positioning rib, and the insulating block of the terminal module located on the second outer side is provided with an assembly rib matching with the positioning groove, and the terminal module located on the first outer side and the terminal module located on the second outer side are respectively the two terminal modules located on the outermost sides of the plurality of terminal modules.

[0019] As a further improved technical solution of the present invention, the insulating block of each terminal module is provided with a convex rib located on one side of the insulating block and a groove located on the other opposite side of the insulating block, wherein in two adjacent terminal modules, the convex rib of the insulating block of one terminal module is engaged with the groove of the insulating block of the other terminal module.

[0020] As a further improved technical solution of the present invention, the insulating body includes a first wall, a second wall opposite to the first wall, a first connecting wall connecting one side of the first wall and one side of the second wall, a second connecting wall connecting the other side of the first wall and the other side of the second wall, and an accommodating space surrounded by the first wall, the second wall, the first connecting wall and the second connecting wall, the plurality of terminal modules are accommodated in the accommodating space, and the first slot is located between the first wall and the second wall.

[0021] As a further improved technical solution of the present invention, the first conductive terminal includes a first mounting portion, the second conductive terminal includes a second mounting portion, the third conductive terminal includes a third mounting portion, the fourth conductive terminal includes a fourth mounting portion, the second wall is provided with a mounting opening connected to the accommodating space, and the first mounting portion, the second mounting portion, the third mounting portion and the fourth mounting portion extend from the mounting opening and protrude out of the second wall.

[0022] The present invention also discloses a connector assembly, which comprises:

[0023] The aforementioned electrical connector; and

[0024] A docking connector, the docking connector comprising:

[0025] A tongue plate, the tongue plate comprising a first plate portion and a second plate portion, the first plate portion and the second plate portion are arranged along the first direction, the thickness of the first plate portion is greater than the thickness of the second plate portion, a first metal sheet and a second metal sheet are provided on two opposite surfaces of the first plate portion, and a third metal sheet and a fourth metal sheet are provided on two opposite surfaces of the second plate portion;

[0026] When the docking connector is docked with the electrical connector, the tongue plate is inserted into the docking slot, wherein the first metal sheet contacts the first docking portion, the second metal sheet contacts the second docking portion, the third metal sheet contacts the third docking portion, and the fourth metal sheet contacts the fourth docking portion.

[0027] The present invention provides a first terminal group and a second terminal group, wherein the first terminal group includes a first conductive terminal and a second conductive terminal, and the second terminal group includes a third conductive terminal and a fourth conductive terminal, wherein the first conductive terminal includes a first elastic arm, the first elastic arm includes a first docking portion that at least partially protrudes into the docking slot; the second conductive terminal includes a second elastic arm, the second elastic arm includes a second docking portion that at least partially protrudes into the docking slot; the third conductive terminal includes a third elastic arm, the third elastic arm includes a third docking portion that at least partially protrudes into the docking slot; the fourth conductive terminal includes a fourth elastic arm, the fourth elastic arm includes a fourth docking portion that at least partially protrudes into the docking slot; wherein the first docking portion is disposed face to face with the second docking portion, and the third docking portion is disposed face to face with the fourth docking portion. Compared with the prior art, the electrical connector of the present invention has relatively more terminal groups, which is conducive to improving the speed of data transmission. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1It is a three-dimensional schematic diagram of a connector assembly of the present invention in one embodiment.

[0029] Figure 2 yes Figure 1 Partial exploded view of the .

[0030] Figure 3 yes Figure 2 Partial exploded perspective view from another angle.

[0031] Figure 4 It is a partial three-dimensional exploded view of the docking connector of the present invention.

[0032] Figure 5 yes Figure 4 Partial three-dimensional exploded view from another angle.

[0033] Figure 6 It is a front view of the electrical connector of the present invention after removing the shielding shell.

[0034] Figure 7 It is a partial three-dimensional exploded view of the electrical connector of the present invention.

[0035] Figure 8 yes Figure 7 Partial three-dimensional exploded view from another angle.

[0036] Fig. 9 It is a three-dimensional schematic diagram of several terminal modules of the electrical connector of the present invention, in which one terminal module is separated.

[0037] Fig.10 is along Figure 2 Schematic diagram of the cross section along line BB.

[0038] Fig.11 It is a three-dimensional schematic diagram of the insulating body of the present invention in one embodiment.

[0039] Fig.12 yes Fig.11 main view.

[0040] Fig.13 yes Fig.11 Rear view of. DETAILED DESCRIPTION

[0041] 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.

[0042] 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.

[0043] 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.

[0044] Please refer to Figures 1 to 3 As shown, the present invention discloses a connector assembly, which includes a circuit board 300 , an electrical connector 100 mounted on the circuit board 300 , and a docking connector 200 connected to the electrical connector 100 .

[0045] Please combine Figure 4 , Figure 5 as well as Fig.10As shown, the docking connector 200 includes a docking insulating body 7 and a docking shielding shell 8 sleeved on the docking insulating body 7. The docking insulating body 7 includes a base 71 and a tongue 72 protruding from the base 71. The tongue 72 includes a first plate portion 721 and a second plate portion 722. The first plate portion 721 and the second plate portion 722 are arranged along a first direction A1-A1, wherein the thickness of the first plate portion 721 is greater than the thickness of the second plate portion 722, so that the tongue 72 is roughly stepped. The first plate portion 721 is provided with a first metal sheet 7211 and a second metal sheet 7212 on two opposite surfaces, and the second plate portion 722 is provided with a third metal sheet 7221 and a fourth metal sheet 7222 on two opposite surfaces. Preferably, the tongue 72 is formed by a plurality of built-in circuit boards combined with other injection molding processes.

[0046] The docking shielding shell 8 is fixed to the docking insulating body 7. The docking shielding shell 8 is sleeve-shaped, and includes a first wall portion 81, a second wall portion 82 opposite to the first wall portion 81, a first side wall 83 connecting one side of the first wall portion 81 and one side of the second wall portion 82, and a second side wall 84 connecting the other side of the first wall portion 81 and the other side of the second wall portion 82. The docking shielding shell 8 also includes a docking space 80 surrounded by the first wall portion 81, the second wall portion 82, the first side wall 83 and the second side wall 84, and the docking space 80 at least partially accommodates the electrical connector 100. The tongue plate 72 extends into the docking space 80, and the tongue plate 72 is at least partially inserted into the electrical connector 100. At least one of the first wall portion 81, the second wall portion 82, the first side wall 83 and the second side wall 84 is provided with an abutting spring sheet 85 extending into the docking space 80. The abutting spring sheet 85 is used to abut the electrical connector 100 to achieve grounding and increase the plugging and unplugging force.

[0047] Please combine Figures 6 to 10 As shown, in the illustrated embodiment of the present invention, the electrical connector 100 includes an insulating body 1, a plurality of terminal modules 2, a shielding shell 3, and a stopper (not shown) mounted on the rear ends of the plurality of terminal modules 2. The stopper is fixed on the insulating body 1.

[0048] Please combine Figures 6 to 8As shown, the insulating body 1 includes a docking surface 11, an assembly surface 12 opposite to the docking surface 11, a mounting surface 13 located at the bottom of the insulating body 1, a docking slot 10 that penetrates the docking surface 11 forward along the first direction (e.g., front-to-back direction) A1-A1, a positioning rib 14 located at one side (e.g., the left side) of the docking slot 10 along the second direction (e.g., left-to-right direction) A2-A2, and a positioning groove 15 located at the other side (e.g., the right side) of the docking slot 10 along the second direction A2-A2. The mounting surface 13 is used to be mounted on the circuit board 300. In addition, the insulating body 1 also includes a first notch 16 and a second notch 17 that penetrate the docking surface 11 along the first direction A1-A1 and are located at both sides of the docking slot 10, the first notch 16 and the second notch 17 are both connected to the docking slot 10, and the first notch 16 and the second notch 17 are symmetrically arranged at both sides (e.g., the left and right sides) of the docking slot 10 along the second direction A2-A2. The docking slot 10, the first notch 16 and the second notch 17 are symmetrical structures. With such a configuration, it is not necessary to distinguish whether the docking connector 200 is inserted forward or reverse. That is, the docking connector 200 can be inserted into the electrical connector 100 regardless of whether it is inserted forward or reverse, which greatly improves the convenience of use and enhances the user experience. In the illustrated embodiment of the present invention, the second direction A2-A2 is perpendicular to the first direction A1-A1.

[0049] Please combine Fig.10 As shown, specifically, in the illustrated embodiment of the present invention, the docking slot 10 includes a first slot 101 and a second slot 102 located at the rear end of the first slot 101 and connected to the first slot 101. The height of the first slot 101 along a third direction (e.g., up and down direction) A3-A3 is greater than the height of the second slot 102 along the third direction A3-A3. In other words, the distance between the upper edge and the lower edge of the first slot 101 along the third direction (e.g., up and down direction) A3-A3 is greater than the distance between the upper edge and the lower edge of the second slot 102 along the third direction A3-A3. Please refer to Figure 8 As shown, the third direction A3-A3 is perpendicular to the first direction A1-A1 and the second direction A2-A2.

[0050] Please combine Figures 6 to 8 as well as Figures 11 to 13As shown, the insulating body 1 includes a first wall 191, a second wall 192 opposite to the first wall 191, a first connecting wall 193 connecting one side of the first wall 191 and one side of the second wall 192, a second connecting wall 194 connecting the other side of the first wall 191 and the other side of the second wall 192, and an accommodating space 190 surrounded by the first wall 191, the second wall 192, the first connecting wall 193 and the second connecting wall 194. The plurality of terminal modules 2 are accommodated in the accommodating space 190, and the first slot 101 is located between the first wall 191 and the second wall 192. The second wall 192 is provided with an installation opening 1921 communicating with the accommodating space 190.

[0051] Please combine Figures 7 to 9 As shown, the plurality of terminal modules 2 are arranged side by side along the second direction A2-A2 and assembled into a whole. After assembly, the plurality of terminal modules 2 are assembled as a whole into the insulating body 1 from the assembly surface 12. Each terminal module 2 includes an insulating block 21 and a plurality of terminal groups fixed to the insulating block 21. In one embodiment of the present invention, the plurality of terminal groups are embed-molded in the insulating block 21. Of course, those skilled in the art will appreciate that the plurality of terminal groups may also be fixed to the insulating block 21 by assembly or the like. In some embodiments, the insulating block 21 may not even be provided, and the plurality of terminal groups may be directly fixed to the insulating body 1.

[0052] In the illustrated embodiment of the present invention, each insulating block 21 includes an assembly groove 211 and an assembly rib 212. When the plurality of terminal modules 2 are assembled into a whole, the assembly groove 211 of the insulating block 21 of one terminal module 2 in two adjacent terminal modules 2 matches the assembly rib 212 of the insulating block 21 of the other terminal module 2. When all the terminal modules 2 are assembled into a whole, the assembly groove 211 of the insulating block 21 of the terminal module 2 located on the first outer side (for example, the left side) matches the positioning rib 14 of the insulating body 1, and the assembly rib 212 of the insulating block 21 of the terminal module 2 located on the second outer side (for example, the right side) matches the positioning groove 15 of the insulating body 1. Such an arrangement is conducive to accurately installing the plurality of terminal modules 2 in the insulating body 1. The terminal module 2 located on the first outer side and the terminal module 2 located on the second outer side are respectively two terminal modules 2 located on the outermost sides (for example, the leftmost side and the rightmost side) of the plurality of terminal modules 2.

[0053] Please combine Fig. 9As shown, the plurality of terminal groups include a first terminal group 22 and a second terminal group 23. The first terminal group 22 includes a first conductive terminal 221 and a second conductive terminal 222, and the second terminal group 23 includes a third conductive terminal 231 and a fourth conductive terminal 232. The first conductive terminal 221 includes a first elastic arm 2211, the first elastic arm 2211 includes a first docking portion 2211a that at least partially protrudes into the docking slot 10 and a first mounting portion 2211b that extends out of the insulating block 21; the second conductive terminal 222 includes a second elastic arm 2221, the second elastic arm 2221 includes a second docking portion 2221a that at least partially protrudes into the docking slot 10 and a second mounting portion 2221b that extends out of the insulating block 21; the third conductive terminal 231 includes a third elastic arm 2311, the third elastic arm 23 11 includes a third docking portion 2311a at least partially protruding into the docking slot 10 and a third mounting portion 2311b extending out of the insulating block 21; the fourth conductive terminal 232 includes a fourth elastic arm 2321, the fourth elastic arm 2321 includes a fourth docking portion 2321a at least partially protruding into the docking slot 10 and a fourth mounting portion 2321b extending out of the insulating block 21; wherein the first docking portion 2211a and the second docking portion 2221a are arranged face to face, and the third docking portion 2311a and the fourth docking portion 2321a are arranged face to face. In the illustrated embodiment of the present invention, the first mounting portion 2211b, the second mounting portion 2221b, the third mounting portion 2311b and the fourth mounting portion 2321b are used for soldering on the circuit board 300. In the illustrated embodiment of the present invention, the first mounting portion 2211b, the second mounting portion 2221b and the fourth mounting portion 2321b are bent in the same direction, and the third mounting portion 2311b is bent in the opposite direction. This arrangement is conducive to achieving better impedance matching. The first mounting portion 2211b, the second mounting portion 2221b, the third mounting portion 2311b and the fourth mounting portion 2321b extend from the mounting opening 1921 and protrude from the second wall 192 to be mounted on the circuit board 300.

[0054] Please combine Fig.10As shown, in the illustrated embodiment of the present invention, the first elastic arm 2211 and the second elastic arm 2221 are symmetrically arranged on both sides (e.g., upper and lower sides) of the first slot 101 along the third direction A3-A3; the third elastic arm 2311 and the fourth elastic arm 2321 are symmetrically arranged on both sides (e.g., upper and lower sides) of the second slot 102 along the third direction A3-A3. The first docking portion 2211a and the second docking portion 2221a are respectively located on both sides of the first slot 101 along the third direction A3-A3, and the third docking portion 2311a and the fourth docking portion 2321a are respectively located on both sides of the second slot 102 along the third direction A3-A3.

[0055] The first docking portion 2211a and the third docking portion 2311a are located on the same side (e.g., the upper side) of the docking slot 10 in the third direction A3-A3, and the first docking portion 2211a and the third docking portion 2311a are located at different heights in the third direction A3-A3. In the illustrated embodiment of the present invention, the first docking portion 2211a is higher than the third docking portion 2311a.

[0056] The second docking portion 2221a and the fourth docking portion 2321a are located on the same side (e.g., the lower side) of the docking slot 10 in the third direction A3-A3, and the second docking portion 2221a and the fourth docking portion 2321a are located at different heights in the third direction A3-A3. In the illustrated embodiment of the present invention, the second docking portion 2221a is lower than the fourth docking portion 2321a. Fig.10 As shown, in the illustrated embodiment of the present invention, the distance between the first docking portion 2211a and the second docking portion 2221a in the third direction A3-A3 is greater than the distance between the third docking portion 2311a and the fourth docking portion 2321a in the third direction A3-A3.

[0057] The insulating block 21 includes a first protrusion 213 and a second protrusion 214, wherein the first protrusion 213 is located between the first docking portion 2211a and the third docking portion 2311a in the first direction A1-A1, and the second protrusion 214 is located between the second docking portion 2221a and the fourth docking portion 2321a in the first direction A1-A1. The first protrusion 213 is provided with a first guiding inclined surface 2131, and the second protrusion 214 is provided with a second guiding inclined surface 2141, and the first guiding inclined surface 2131 and the second guiding inclined surface 2141 form a guiding socket connected to the second slot 102 to guide the insertion of the tongue plate 72.

[0058] The insulating block 21 is not provided with an opening for exposing the second conductive terminal 222 from the insulating block 21, the insulating block 21 is provided with a first opening 21a for exposing the first conductive terminal 232 from the insulating block 21, the insulating block 21 is provided with a second opening 21b for exposing the third conductive terminal 231 from the insulating block 21, and the insulating block 21 is provided with a third opening 21c for exposing the fourth conductive terminal 221 from the insulating block 21, wherein the number of the first openings 21a is greater than the number of the second openings 21b, and the number of the second openings 21b is greater than the number of the third openings 21c. In the illustrated embodiment of the present invention, the number of the first openings 21a is three, the number of the second openings 21b is two, and the number of the third opening 21c is one. By providing the first opening 21a, the second opening 21b and the third opening 21c, the impedance of the conductive terminal can be adjusted, thereby improving the quality of signal transmission.

[0059] When the docking connector 200 is docked with the electrical connector 100, the average upper and lower forces of the docking connector 200 and the staged insertion force changes can be maintained, thereby reducing the phenomenon of high insertion force at the initial insertion of the docking connector 200. After the docking connector 200 and the electrical connector 100 are docked in place, the tongue plate 72 is inserted into the docking slot 10. Specifically, the second plate portion 722 is inserted into the second slot 102, and the first plate portion 721 is inserted into the first slot 101. At this time, the first metal sheet 7211 is in contact with the first docking portion 2211a, the second metal sheet 7212 is in contact with the second docking portion 2221a, the third metal sheet 7221 is in contact with the third docking portion 2311a, and the fourth metal sheet 7222 is in contact with the fourth docking portion 2321a. In this way, by setting two rows of conductive terminals in front and back, the number of terminals is increased, which is conducive to improving the speed of data transmission.

[0060] 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 (1), the insulating body (1) comprising a docking surface (11), a docking slot (10) penetrating the docking surface (11) along a first direction (A1-A1), and a first notch (16) and a second notch (17) penetrating the docking surface (11) along the first direction (A1-A1) and located on both sides of the docking slot (10), the first notch (16) and the second notch (17) both being connected to the docking slot (10), and the first notch (16) and the second notch (17) being symmetrically arranged on both sides of the docking slot (10) along a second direction (A2-A2), the second direction (A2-A2) being perpendicular to the first direction (A1-A1); and A plurality of terminal groups, the plurality of terminal groups comprising a first terminal group (22) and a second terminal group (23), wherein the first terminal group (22) comprises a first conductive terminal (221) and a second conductive terminal (222), and the second terminal group (23) comprises a third conductive terminal (231) and a fourth conductive terminal (232), wherein the first conductive terminal (221) comprises a first elastic arm (2211), the first elastic arm (2211) comprising a first docking portion (2211a) at least partially protruding into the docking slot (10); the second conductive terminal (222) comprises a second elastic arm (2221), the second elastic arm (2221) comprising a first docking portion (2211a) at least partially protruding into the docking slot (10); The second docking portion (2221a) is disposed in the docking slot (10); the third conductive terminal (231) comprises a third elastic arm (2311), and the third elastic arm (2311) comprises a third docking portion (2311a) at least partially protruding into the docking slot (10); the fourth conductive terminal (232) comprises a fourth elastic arm (2321), and the fourth elastic arm (2321) comprises a fourth docking portion (2321a) at least partially protruding into the docking slot (10); wherein the first docking portion (2211a) and the second docking portion (2221a) are disposed face to face, and the third docking portion (2311a) and the fourth docking portion (2321a) are disposed face to face; The docking slot (10) comprises a first slot (101) and a second slot (102) located at the rear end of the first slot (101) and connected to the first slot (101), wherein the first docking portion (2211a) and the second docking portion (2221a) are respectively located on both sides of the first slot (101) along a third direction (A3-A3), and the third docking portion (2311a) and the fourth docking portion (2321a) are respectively located on both sides of the second slot (102) along the third direction (A3-A3), and the third direction (A3-A3) is perpendicular to the first direction (A1-A1) and the second direction (A2-A2).

2. The electrical connector (100) according to claim 1, characterized in that: The first elastic arm (2211) and the second elastic arm (2221) are symmetrically arranged on both sides of the first slot (101) along the third direction (A3-A3); the third elastic arm (2311) and the fourth elastic arm (2321) are symmetrically arranged on both sides of the second slot (102) along the third direction (A3-A3).

3. The electrical connector (100) according to claim 1, characterized in that: The first docking portion (2211a) and the third docking portion (2311a) are located on the same side of the docking slot (10) in the third direction (A3-A3), and the first docking portion (2211a) and the third docking portion (2311a) are located at different heights in the third direction (A3-A3); The second docking portion (2221a) and the fourth docking portion (2321a) are located on the same side of the docking slot (10) in the third direction (A3-A3), and the second docking portion (2221a) and the fourth docking portion (2321a) are located at different heights in the third direction (A3-A3).

4. The electrical connector (100) according to claim 3, characterized in that: The distance between the first docking portion (2211a) and the second docking portion (2221a) in the third direction (A3-A3) is greater than the distance between the third docking portion (2311a) and the fourth docking portion (2321a) in the third direction (A3-A3).

5. The electrical connector (100) according to claim 1, characterized in that: The electrical connector (100) comprises a plurality of terminal modules (2) arranged side by side and assembled together along the second direction (A2-A2), wherein each terminal module (2) comprises an insulating block (21) and the plurality of terminal groups fixed to the insulating block (21).

6. The electrical connector (100) according to claim 5, characterized in that: The insulating body (1) comprises an assembly surface (12) opposite to the docking surface (11); after assembly, the plurality of terminal modules (2) are integrally assembled into the insulating body (1) from the assembly surface (12).

7. The electrical connector (100) according to claim 5, characterized in that: The insulating block (21) comprises a first protrusion (213) and a second protrusion (214), wherein the first protrusion (213) is located between the first docking portion (2211a) and the third docking portion (2311a) in the first direction (A1-A1), and the second protrusion (214) is located between the second docking portion (2221a) and the fourth docking portion (2321a) in the first direction (A1-A1), the first protrusion (213) is provided with a first guiding inclined surface (2131), and the second protrusion (214) is provided with a second guiding inclined surface (2141), and the first guiding inclined surface (2131) and the second guiding inclined surface (2141) form a guiding socket connected to the second slot (102).

8. The electrical connector (100) according to claim 5, characterized in that: The insulating block (21) is not provided with an opening for exposing the second conductive terminal (222) from the insulating block (21); the insulating block (21) is provided with a first opening (21a) for exposing the fourth conductive terminal (232) from the insulating block (21); the insulating block (21) is provided with a second opening (21b) for exposing the third conductive terminal (231) from the insulating block (21); and the insulating block (21) is provided with a third opening (21c) for exposing the first conductive terminal (221) from the insulating block (21), wherein the number of the third openings (21c) is greater than the number of the second openings (21b), and the number of the second openings (21b) is greater than the number of the first openings (21a).

9. The electrical connector (100) according to claim 1, characterized in that: The insulating body (1) comprises a positioning rib (14) located on one side of the docking slot (10) in the second direction (A2-A2) and a positioning groove (15) located on the other opposite side of the docking slot (10) in the second direction (A2-A2); The electrical connector (100) comprises a plurality of terminal modules (2), wherein the plurality of terminal modules (2) are arranged side by side along the second direction (A2-A2) and assembled into a whole, wherein each terminal module (2) comprises an insulating block (21) and the plurality of terminal groups fixed to the insulating block (21), wherein the insulating block (21) of the terminal module (2) located at the first outer side is provided with an assembly groove (211) matching with the positioning rib (14), and the insulating block (21) of the terminal module (2) located at the second outer side is provided with an assembly rib (212) matching with the positioning groove (15), and the terminal module (2) located at the first outer side and the terminal module (2) located at the second outer side are respectively the two terminal modules (2) located at the outermost sides of the plurality of terminal modules (2).

10. The electrical connector (100) according to claim 9, characterized in that: The insulating block (21) of each terminal module (2) is provided with a convex rib located on one side of the insulating block (21) and a groove located on the other opposite side of the insulating block (21), wherein in two adjacent terminal modules (2), the convex rib of the insulating block (21) of one terminal module (2) is engaged with the groove of the insulating block (21) of the other terminal module (2).

11. The electrical connector (100) according to claim 5, characterized in that: The insulating body (1) comprises a first wall (191), a second wall (192) opposite to the first wall (191), a first connecting wall (193) connecting one side of the first wall (191) and one side of the second wall (192), a second connecting wall (194) connecting the other side of the first wall (191) and the other side of the second wall (192), and a receiving space (190) surrounded by the first wall (191), the second wall (192), the first connecting wall (193) and the second connecting wall (194); the plurality of terminal modules (2) are received in the receiving space (190); and the first slot (101) is located between the first wall (191) and the second wall (192).

12. The electrical connector (100) according to claim 11, characterized in that: The first conductive terminal (221) includes a first mounting portion (2211b), the second conductive terminal (222) includes a second mounting portion (2221b), the third conductive terminal (231) includes a third mounting portion (2311b), the fourth conductive terminal (232) includes a fourth mounting portion (2321b), the second wall (192) is provided with a mounting opening (1921) connected to the accommodating space (190), the first mounting portion (2211b), the second mounting portion (2221b), the third mounting portion (2311b) and the fourth mounting portion (2321b) extend from the mounting opening (1921) and protrude out of the second wall (192).

13. A connector assembly, characterized in that: include: An electrical connector (100), comprising: An insulating body (1), the insulating body (1) comprising a docking surface (11), a docking slot (10) penetrating the docking surface (11) along a first direction (A1-A1), and a first notch (16) and a second notch (17) penetrating the docking surface (11) along the first direction (A1-A1) and located on both sides of the docking slot (10), the first notch (16) and the second notch (17) both being connected to the docking slot (10), and the first notch (16) and the second notch (17) being symmetrically arranged on both sides of the docking slot (10) along a second direction (A2-A2), the second direction (A2-A2) being perpendicular to the first direction (A1-A1); and A plurality of terminal groups, the plurality of terminal groups comprising a first terminal group (22) and a second terminal group (23), wherein the first terminal group (22) comprises a first conductive terminal (221) and a second conductive terminal (222), and the second terminal group (23) comprises a third conductive terminal (231) and a fourth conductive terminal (232), wherein the first conductive terminal (221) comprises a first elastic arm (2211), the first elastic arm (2211) comprises a first docking portion (2211a) at least partially protruding into the docking slot (10); the second conductive terminal (222) comprises a second elastic arm (2221), the second elastic arm (2221) comprises a first docking portion (2211a) at least partially protruding into the docking slot (10); The second docking portion (2221a) in the slot (10); the third conductive terminal (231) comprises a third elastic arm (2311), the third elastic arm (2311) comprises a third docking portion (2311a) at least partially protruding into the docking slot (10); the fourth conductive terminal (232) comprises a fourth elastic arm (2321), the fourth elastic arm (2321) comprises a fourth docking portion (2321a) at least partially protruding into the docking slot (10); wherein the first docking portion (2211a) and the second docking portion (2221a) are arranged face to face, and the third docking portion (2311a) and the fourth docking portion (2321a) are arranged face to face; and A docking connector (200), the docking connector (200) comprising: A tongue plate (72), the tongue plate (72) comprising a first plate portion (721) and a second plate portion (722), the first plate portion (721) and the second plate portion (722) being arranged along the first direction (A1-A1), wherein the thickness of the first plate portion (721) is greater than the thickness of the second plate portion (722), a first metal sheet (7211) and a second metal sheet (7212) are provided on two opposite surfaces of the first plate portion (721), and a third metal sheet (7221) and a fourth metal sheet (7222) are provided on two opposite surfaces of the second plate portion (722); When the docking connector (200) is docked with the electrical connector (100), the tongue plate (72) is inserted into the docking slot (10), wherein the first metal sheet (7211) is in contact with the first docking portion (2211a), the second metal sheet (7212) is in contact with the second docking portion (2221a), the third metal sheet (7221) is in contact with the third docking portion (2311a), and the fourth metal sheet (7222) is in contact with the fourth docking portion (2321a).

14. The connector assembly according to claim 13, wherein: The docking slot (10) comprises a first slot (101) and a second slot (102) located at the rear end of the first slot (101) and connected to the first slot (101), wherein the first docking portion (2211a) and the second docking portion (2221a) are respectively located on both sides of the first slot (101) along a third direction (A3-A3), and the third docking portion (2311a) and the fourth docking portion (2321a) are respectively located on both sides of the second slot (102) along the third direction (A3-A3), and the third direction (A3-A3) is perpendicular to the first direction (A1-A1) and the second direction (A2-A2).

15. The connector assembly according to claim 14, wherein: The first elastic arm (2211) and the second elastic arm (2221) are symmetrically arranged on both sides of the first slot (101) along the third direction (A3-A3); the third elastic arm (2311) and the fourth elastic arm (2321) are symmetrically arranged on both sides of the second slot (102) along the third direction (A3-A3).

16. The connector assembly according to claim 14, wherein: The first docking portion (2211a) and the third docking portion (2311a) are located on the same side of the docking slot (10) in the third direction (A3-A3), and the first docking portion (2211a) and the third docking portion (2311a) are located at different heights in the third direction (A3-A3); The second docking portion (2221a) and the fourth docking portion (2321a) are located on the same side of the docking slot (10) in the third direction (A3-A3), and the second docking portion (2221a) and the fourth docking portion (2321a) are located at different heights in the third direction (A3-A3).

17. The connector assembly according to claim 16, wherein: The distance between the first docking portion (2211a) and the second docking portion (2221a) in the third direction (A3-A3) is greater than the distance between the third docking portion (2311a) and the fourth docking portion (2321a) in the third direction (A3-A3).

18. The connector assembly of claim 14, wherein: The electrical connector (100) comprises a plurality of terminal modules (2) arranged side by side and assembled together along the second direction (A2-A2), wherein each terminal module (2) comprises an insulating block (21) and the plurality of terminal groups fixed to the insulating block (21).

19. The connector assembly according to claim 18, wherein: The insulating body (1) comprises an assembly surface (12) opposite to the docking surface (11); after assembly, the plurality of terminal modules (2) are integrally assembled into the insulating body (1) from the assembly surface (12).

20. The connector assembly of claim 18, wherein: The insulating block (21) comprises a first protrusion (213) and a second protrusion (214), wherein the first protrusion (213) is located between the first docking portion (2211a) and the third docking portion (2311a) in the first direction (A1-A1), and the second protrusion (214) is located between the second docking portion (2221a) and the fourth docking portion (2321a) in the first direction (A1-A1), the first protrusion (213) is provided with a first guiding inclined surface (2131), and the second protrusion (214) is provided with a second guiding inclined surface (2141), and the first guiding inclined surface (2131) and the second guiding inclined surface (2141) form a guiding socket connected to the second slot (102).

21. The connector assembly of claim 18, wherein: The insulating block (21) is not provided with an opening for exposing the second conductive terminal (222) from the insulating block (21); the insulating block (21) is provided with a first opening (21a) for exposing the fourth conductive terminal (232) from the insulating block (21); the insulating block (21) is provided with a second opening (21b) for exposing the third conductive terminal (231) from the insulating block (21); and the insulating block (21) is provided with a third opening (21c) for exposing the first conductive terminal (221) from the insulating block (21), wherein the number of the third openings (21c) is greater than the number of the second openings (21b), and the number of the second openings (21b) is greater than the number of the first openings (21a).

22. The connector assembly of claim 13, wherein: The insulating body (1) comprises a positioning rib (14) located on one side of the docking slot (10) in the second direction (A2-A2) and a positioning groove (15) located on the other opposite side of the docking slot (10) in the second direction (A2-A2); The electrical connector (100) comprises a plurality of terminal modules (2), wherein the plurality of terminal modules (2) are arranged side by side along the second direction (A2-A2) and assembled into a whole, wherein each terminal module (2) comprises an insulating block (21) and the plurality of terminal groups fixed to the insulating block (21), wherein the insulating block (21) of the terminal module (2) located at the first outer side is provided with an assembly groove (211) matching with the positioning rib (14), and the insulating block (21) of the terminal module (2) located at the second outer side is provided with an assembly rib (212) matching with the positioning groove (15), and the terminal module (2) located at the first outer side and the terminal module (2) located at the second outer side are respectively the two terminal modules (2) located at the outermost sides of the plurality of terminal modules (2).

23. The connector assembly of claim 22, wherein: The insulating block (21) of each terminal module (2) is provided with a convex rib located on one side of the insulating block (21) and a groove located on the other opposite side of the insulating block (21), wherein in two adjacent terminal modules (2), the convex rib of the insulating block (21) of one terminal module (2) is engaged with the groove of the insulating block (21) of the other terminal module (2).

24. The connector assembly of claim 18, wherein: The insulating body (1) comprises a first wall (191), a second wall (192) opposite to the first wall (191), a first connecting wall (193) connecting one side of the first wall (191) and one side of the second wall (192), a second connecting wall (194) connecting the other side of the first wall (191) and the other side of the second wall (192), and a receiving space (190) surrounded by the first wall (191), the second wall (192), the first connecting wall (193) and the second connecting wall (194); the plurality of terminal modules (2) are received in the receiving space (190); and the first slot (101) is located between the first wall (191) and the second wall (192).

25. The connector assembly of claim 24, wherein: The first conductive terminal (221) includes a first mounting portion (2211b), the second conductive terminal (222) includes a second mounting portion (2221b), the third conductive terminal (231) includes a third mounting portion (2311b), the fourth conductive terminal (232) includes a fourth mounting portion (2321b), the second wall (192) is provided with a mounting opening (1921) connected to the accommodating space (190), the first mounting portion (2211b), the second mounting portion (2221b), the third mounting portion (2311b) and the fourth mounting portion (2321b) extend from the mounting opening (1921) and protrude out of the second wall (192).

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