Electric connector

Abstract

An electric connector comprises an insulating body and a first terminal module. The insulation body comprises a butt joint surface, a butt joint slot penetrating through the butt joint surface along a first direction, an assembly surface and an installation space penetrating through the assembly surface. The first terminal module comprises a plurality of first conductive terminals and a first insulating block fixed on the first conductive terminals. The first terminal module is installed in the installation space. Each first conductive terminal comprises a first contact arm protruding out of the first insulation block, and the first contact arm protrudes into the butt joint slot to be configured to be in contact with the butt joint module. The first insulating block is provided with a first abutting protruding block. The insulation body comprises a first side wall, the first side wall is provided with a first elastic arm, and the first elastic arm abuts against the first abutting protruding block in the first direction.

Description

TECHNICAL FIELD

[0001] The utility model relates to an electric connector belongs to connector technical field. BACKGROUND

[0002] The electric connector in the prior art generally comprises an insulating body and a plurality of terminal modules installed in the insulating body, wherein the terminal module comprises a plurality of signal conductive terminals, a plurality of ground conductive terminals, and an insulating block fixed on the signal conductive terminals and the ground conductive terminals.

[0003] However, how to reliably fix the terminal module to the insulating body is a technical problem faced by the skilled in the art. SUMMARY

[0004] The utility model discloses a kind of electric connectors, which can reliably fix first terminal module to insulating body.

[0005] To achieve the above object, the utility model adopts the following technical scheme: an electric connector, comprising:

[0006] An insulating body, the insulating body comprises a mating surface, a mating slot penetrating through the mating surface along a first direction and configured to accommodate a mating module, an assembly surface opposite to the mating surface, and a mounting space penetrating through the assembly surface along the first direction and communicating with the mating slot;

[0007] A first terminal module, the first terminal module comprises a plurality of first conductive terminals and a first insulating block fixed on the first conductive terminals, the first terminal module is installed in the mounting space, each first conductive terminal comprises a first contact arm protruding from the first insulating block, and the first contact arm protrudes into the mating slot to be configured to contact the mating module;

[0008] Wherein, the first insulating block is provided with a first abutting protrusion;

[0009] The insulating body comprises a first side wall and a second side wall opposite to the first side wall, wherein the mounting space is located between the first side wall and the second side wall;The first side wall is provided with a first elastic arm, and the first elastic arm abuts against the first abutting protrusion along the first direction.

[0010] As a further improved technical scheme of the utility model, the first abutting protrusion is provided with a first guide inclined surface and a first abutting surface.

[0011] The first side wall is provided with a first opening, the first elastic arm extends into the first opening in a cantilevered manner, the first opening comprises a first receiving opening located at one end of the first elastic arm along the first direction, the first abutting protrusion is at least partially received in the first receiving opening, the first elastic arm is provided with a first abutting end face located at a free end of the first elastic arm, and the first abutting end face abuts against the first abutting face.

[0012] As a further improved technical scheme of the utility model, the first insulating block is provided with a second abutting protrusion, the first abutting protrusion and the second abutting protrusion are located on two sides of the first insulating block along a second direction, and the second direction is perpendicular to the first direction.

[0013] The second side wall is provided with a second elastic arm, and the second elastic arm abuts against the second abutting protrusion along the first direction.

[0014] As a further improved technical scheme of the utility model, the first abutting protrusion and the second abutting protrusion are symmetrically arranged, and the first elastic arm and the second elastic arm are symmetrically arranged.

[0015] As a further improved technical scheme of the utility model, the first insulating block is provided with a third abutting protrusion, and the third abutting protrusion is located on the same side of the first insulating block as the first abutting protrusion.

[0016] The first side wall is provided with a third elastic arm, and the third elastic arm abuts against the third abutting protrusion along the first direction.

[0017] As a further improved technical scheme of the utility model, the third abutting protrusion and the first abutting protrusion are arranged in a staggered manner along the first direction and are located at different heights.

[0018] As a further improved technical scheme of the utility model, the first insulating block is provided with a fourth abutting protrusion, and the fourth abutting protrusion is located on the same side of the first insulating block as the second abutting protrusion.

[0019] The second side wall is provided with a fourth elastic arm, and the fourth elastic arm abuts against the fourth abutting protrusion along the first direction.

[0020] As a further improved technical scheme of the utility model, the fourth abutting protrusion and the second abutting protrusion are arranged in a staggered manner along the first direction and are located at different heights.

[0021] As a further improved technical scheme of the utility model, the plurality of first conductive terminals include a first signal terminal, a second signal terminal, a first ground terminal and a second ground terminal, wherein the first signal terminal and the second signal terminal are close to each other, and the first ground terminal and the second ground terminal are respectively located on the two sides of the first signal terminal and the second signal terminal; each first conductive terminal further includes a first intermediate part and a first tail part; the first intermediate part includes a first main part and a first bending part connected with the first main part;

[0022] The first terminal module further includes a first ground sheet, the first ground sheet is integrally formed, the first ground sheet includes a first base, a first abutting part and a second abutting part respectively extending from the two sides of the first base, a first inclined part connected with the first base, and a third abutting part and a fourth abutting part respectively extending from the two sides of the first inclined part;

[0023] Wherein, the first abutting part is in contact with the first main part of the first ground terminal, the second abutting part is in contact with the first main part of the second ground terminal, the third abutting part is in contact with the first bending part of the first ground terminal, the fourth abutting part is in contact with the first bending part of the second ground terminal, the first base at least partially shields the first main part of the first signal terminal and the first main part of the second signal terminal, and is not in contact with the first main part of the first signal terminal and the first main part of the second signal terminal; the first inclined part at least partially shields the first bending part of the first signal terminal and the first bending part of the second signal terminal, and is not in contact with the first bending part of the first signal terminal and the first bending part of the second signal terminal.

[0024] As a further improved technical scheme of the utility model, the electric connector further includes:

[0025] A second terminal module, the second terminal module includes:

[0026] A plurality of second conductive terminals, the plurality of second conductive terminals include a third signal terminal, a fourth signal terminal, a third ground terminal and a fourth ground terminal, wherein the third signal terminal and the fourth signal terminal are close to each other, and the third ground terminal and the fourth ground terminal are respectively located on the two sides of the third signal terminal and the fourth signal terminal; each second conductive terminal includes a second intermediate part, a second contact arm and a second tail part; and

[0027] A second ground sheet, the second ground sheet is integrally formed, and the second ground sheet is in contact with the second intermediate part of the third ground terminal and the second intermediate part of the fourth ground terminal;

[0028] a third terminal module comprising a plurality of third conductive terminals, each of the third conductive terminals comprising a third intermediate portion, a third contact arm and a third tail portion; and

[0029] a fourth terminal module comprising a plurality of fourth conductive terminals, each of the fourth conductive terminals comprising a fourth intermediate portion, a fourth contact arm and a fourth tail portion;

[0030] wherein the second terminal module, the third terminal module and the fourth terminal module are all mounted in the mounting space; and the second contact arms, the third contact arms and the fourth contact arms all protrude into the mating slot.

[0031] Compared with the prior art, the first insulating block is provided with a first abutting protrusion; a first elastic arm is arranged on the first side wall of the insulating body, and the first elastic arm abuts against the first abutting protrusion in the first direction. In this way, the first terminal module can be prevented from falling off the insulating body in a direction opposite to the assembly direction. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 is a schematic perspective view of the electrical connector in an embodiment of the utility model;

[0033] Figure 2 is Figure 1 a schematic perspective view from another angle;

[0034] Figure 3 is Figure 1 a front view of

[0035] Figure 4 is Figure 1 a rear view of

[0036] Figure 5 is Figure 2 a top view of

[0037] Figure 6 is Figure 1 a right view of

[0038] Figure 7 is Figure 1 a left view of

[0039] Figure 8 is Figure 1 a partially exploded view of

[0040] Figure 9 is Figure 8 a partially exploded view of from another angle;

[0041] Figure 10 is Figure 8The right view of the first terminal module, the second terminal module, the third terminal module and the fourth terminal module assembled together;

[0042] Figure 11 yes Figure 8 Partial exploded perspective view of the first terminal module, second terminal module, third terminal module and fourth terminal module;

[0043] Figure 12 yes Figure 11 Another perspective of a partially exploded 3D view;

[0044] Figure 13 yes Figure 11 Partial exploded perspective view of the first terminal module in the middle;

[0045] Figure 14 yes Figure 13 Another perspective of a partially exploded 3D view;

[0046] Figure 15 yes Figure 13 Further exploded view;

[0047] Figure 16 yes Figure 15 Another perspective of the exploded 3D view;

[0048] Figure 17 yes Figure 13 Partial exploded perspective view of the second terminal module;

[0049] Figure 18 yes Figure 17 Another perspective of a partially exploded 3D view;

[0050] Figure 19 yes Figure 17 Further exploded view;

[0051] Figure 20 yes Figure 19 Another perspective of the exploded 3D view;

[0052] Figure 21 yes Figure 13 Exploded perspective view of the third and fourth terminal modules in the image;

[0053] Figure 22 yes Figure 21 Another perspective of the exploded 3D view;

[0054] Figure 23 It is along Figure 6 Schematic diagram of the cross section of the middle BB line;

[0055] Figure 24 It is along Figure 6 A cross-sectional view of the middle CC line;

[0056] Figure 25 is a cross-sectional view along Figure 1 line D-D in FIG. 2;

[0057] Figure 26 is a cross-sectional view along Figure 1 line E-E in FIG. 2. DETAILED DESCRIPTION

[0058] The exemplary embodiments of this application will be described in detail below with reference to the attached drawings. If there are several embodiments, the features of the embodiments can be combined with each other if there is no conflict. When the description refers to the drawings, the same numbers in different drawings represent the same or similar elements unless otherwise specified. The description in the following exemplary embodiments does not represent all the embodiments consistent with this application; rather, they are merely examples of devices, products and / or methods consistent with some aspects of this application as recited in the claims of this application.

[0059] The terms used in this application are merely for the purpose of describing the embodiments, and are not intended to limit the scope of protection of this application. The singular form "a", "an" and "the" as used in the specification and claims of this application are also intended to include the plural form, unless the context clearly indicates otherwise.

[0060] It should be understood that the use of terms such as "first", "second" and similar words of comparison used in the specification and claims of this application do not denote any order, number or importance, but are merely used to distinguish features. Similarly, "one" or "a" and similar words of comparison do not denote a quantitative limitation, but rather indicate the presence of at least one. Unless otherwise indicated, the terms "front", "back", "up", "down", and similar words of comparison used in this application are merely for the convenience of description and are not limited to a particular position or a spatial orientation. The terms "include" or "contain" and similar words of comparison are an open-ended expression, meaning that the elements appearing before "include" or "contain" encompass the elements appearing after "include" or "contain" and their equivalents, and this does not exclude that the elements appearing before "include" or "contain" can also contain other elements. If "several" appears in this application, it means two or more.

[0061] Please refer to Figures 1 to 26As shown, the utility model discloses a kind of electric connectors 100, to be inserted to the butt module (not shown), it includes insulating body 1, the first terminal module M1 being arranged in the insulating body 1, the second terminal module M2 being arranged in the insulating body 1, the third terminal module M3 being arranged in the insulating body 1 and the fourth terminal module M4 being arranged in the insulating body 1.

[0062] Please combine Figures 1 to 9 As shown, in the embodiment shown in the utility model, the insulating body 1 includes butt surface 11, the butt slot 110 that is arranged to accommodate the butt module is penetrated along the first direction A1-A1 (for example, front-back direction) and the butt surface 11, the assembly surface 12 opposite to the butt surface 11, the mounting space 120 that is penetrated along the first direction A1-A1 and is communicated with the butt slot 110 along the assembly surface 12, the first side wall 13 located in one side of the mounting space 120 and the second side wall 14 located in the other side of the mounting space 120 and opposite to the first side wall 13.

[0063] Please combine Figure 1 、 Figure 2 、 Figure 6 、 Figure 7 、 Figure 23 And Figure 24 As shown, in the embodiment shown in the utility model, the first side wall 13 is provided with first opening 131 and first elastic arm 132 extending into first opening 131 in cantilever shape. The first opening 131 includes the first receiving port 1311 located at one end of the first elastic arm 132 along the first direction A1-A1. The first elastic arm 132 is provided with the first abutting end face 1321 located at the free end of the first elastic arm 132, and the first abutting end face 1321 is exposed in the first receiving port 1311.

[0064] In the embodiment shown in the utility model, the second side wall 14 is provided with second opening 141 and second elastic arm 142 extending into second opening 141 in cantilever shape. The second opening 141 includes the second receiving port 1411 located at one end of the second elastic arm 142 along the first direction A1-A1. The second elastic arm 142 is provided with the second abutting end face 1421 located at the free end of the second elastic arm 142, and the second abutting end face 1421 is exposed in the second receiving port 1411.

[0065] In the embodiment shown in the utility model, the first elastic arm 132 and the second elastic arm 142 are symmetrically arranged.

[0066] In addition, the first side wall 13 is further provided with a third opening 133 and a third elastic arm 134 extending into the third opening 133 in a cantilevered manner. The third opening 133 comprises a third receiving opening 1331 located at one end of the third elastic arm 134 along the first direction A1-A1. The third elastic arm 134 is provided with a third abutting end face 1341 located at a free end of the third elastic arm 134, and the third abutting end face 1341 is exposed in the third receiving opening 1331.

[0067] The second side wall 14 is further provided with a fourth opening 143 and a fourth elastic arm 144 extending into the fourth opening 143 in a cantilevered manner. The fourth opening 143 comprises a fourth receiving opening 1431 located at one end of the fourth elastic arm 144 along the first direction A1-A1. The fourth elastic arm 144 is provided with a fourth abutting end face 1441 located at a free end of the fourth elastic arm 144, and the fourth abutting end face 1441 is exposed in the fourth receiving opening 1431.

[0068] In the embodiment shown in the utility model, the third elastic arm 134 and the fourth elastic arm 144 are symmetrically arranged. The first elastic arm 132 and the third elastic arm 134 are arranged in different heights and are staggered along the first direction A1-A1, and the second elastic arm 142 and the fourth elastic arm 144 are arranged in different heights and are staggered along the first direction A1-A1.

[0069] In the embodiment shown in the utility model, the first elastic arm 132, the second elastic arm 142, the third elastic arm 134 and the fourth elastic arm 144 are integrally formed with the insulating body 1. In the embodiment shown in the utility model, the first elastic arm 132, the second elastic arm 142, the third elastic arm 134 and the fourth elastic arm 144 are not outwardly protruded from the insulating body 1 along the second direction A2-A2.

[0070] Please combine Figures 8 to 16 As shown in the utility model, the first terminal module M1 comprises a plurality of first conductive terminals 2a, a first ground sheet 31 and a first insulating block 41 fixed on the first conductive terminals 2a and the first ground sheet 31. In the embodiment shown in the utility model, the first insulating block 41 is formed on the first conductive terminals 2a and the first ground sheet 31, so that the first terminal module M1 is formed as an inseparable whole.

[0071] The plurality of first conductive terminals 2a include a first signal terminal S1, a second signal terminal S2, a first ground terminal G1 and a second ground terminal G2, wherein the first signal terminal S1 and the second signal terminal S2 are close to each other to form a first differential pair DP1, and the first ground terminal G1 and the second ground terminal G2 are respectively located on two sides of the first differential pair DP1.

[0072] Each first conductive terminal 2a includes a first intermediate part 2a1, a first contact arm 2a2 and a first tail part 2a3.

[0073] In the embodiment shown in the utility model, the first intermediate part 2a1 includes a first main part 2a11, a first bending part 2a12 connected with the first main part 2a11, a first extension part 2a13 connected with the first bending part 2a12, a first arc-shaped part 2a14 connected with the first main part 2a11 and a second extension part 2a15 connected with the first arc-shaped part 2a14.

[0074] Each first conductive terminal 2a further includes a second bending part 2a4 connected with the first extension part 2a13, and the first tail part 2a3 is connected with the second bending part 2a4. The first contact arm 2a2 is connected with the second extension part 2a15.

[0075] In the embodiment shown in the utility model, the first main part 2a11, the first extension part 2a13, the first tail part 2a3 and the second extension part 2a15 are all parallel to each other. The second bending part 2a4 is perpendicular to the first extension part 2a13. The first bending part 2a12 is arranged obliquely.

[0076] In the embodiment shown in the utility model, the width of the first intermediate part 2a1 of the first ground terminal G1 is greater than the width of the first intermediate part 2a1 of the first signal terminal S1 and also greater than the width of the first intermediate part 2a1 of the second signal terminal S2. The width of the first contact arm 2a2 of the first ground terminal G1 is greater than the width of the first contact arm 2a2 of the first signal terminal S1 and also greater than the width of the first contact arm 2a2 of the second signal terminal S2. In this way, the first ground terminal G1 and the second ground terminal G2 can provide better shielding for the first signal terminal S1 and the second signal terminal S2, which is conducive to improving the quality of signal transmission.

[0077] In the embodiment shown in the utility model, the first grounding sheet 31 is integrally formed, the first grounding sheet 31 includes a first base 311, a first abutting portion 311a and a second abutting portion 311b respectively extending from both sides of the first base 311, a first inclined portion 312 connected with the first base 311, a third abutting portion 312a and a fourth abutting portion 312b respectively extending from both sides of the first inclined portion 312, a first extension portion 313 connected with the first inclined portion 312, a fifth abutting portion 313a and a sixth abutting portion 313b respectively extending from both sides of the first extension portion 313, a second arc-shaped portion 314 connected with the first base 311, a second extension portion 315 connected with the second arc-shaped portion 314, and a seventh abutting portion 315a and an eighth abutting portion 315b respectively extending from both sides of the second extension portion 315.

[0078] When the first grounding sheet 31 is mounted to the first conductive terminal 2a, the first abutting portion 311a is in contact with the first body portion 2al l of the first grounding terminal G1, and the second abutting portion 311b is in contact with the first body portion 2al l of the second grounding terminal G2; the third abutting portion 312a is in contact with the first bent portion 2a12 of the first grounding terminal G1, and the fourth abutting portion 312b is in contact with the first bent portion 2a12 of the second grounding terminal G2; the fifth abutting portion 313a is in contact with the first extension portion 2a13 of the first grounding terminal G1, and the sixth abutting portion 313b is in contact with the first extension portion 2a13 of the second grounding terminal G2; the seventh abutting portion 315a is in contact with the second extension portion 2a15 of the first grounding terminal G1, and the eighth abutting portion 315b is in contact with the second extension portion 2a15 of the second grounding terminal G2. The first base portion 311 at least partially shields the first body portion 2al l of the first signal terminal S1 and the first body portion 2al l of the second signal terminal S2, and is not in contact with the first body portion 2al l of the first signal terminal S1 and the first body portion 2al l of the second signal terminal S2; the first inclined portion 312 at least partially shields the first bent portion 2a12 of the first signal terminal S1 and the first bent portion 2a12 of the second signal terminal S2, and is not in contact with the first bent portion 2a12 of the first signal terminal S1 and the first bent portion 2a12 of the second signal terminal S2; the first extension portion 313 at least partially shields the first extension portion 2a13 of the first signal terminal S1 and the first extension portion 2a13 of the second signal terminal S2, and is not in contact with the first extension portion 2a13 of the first signal terminal S1 and the first extension portion 2a13 of the second signal terminal S2; the second arc-shaped portion 314 at least partially shields the first arc-shaped portion 2a14 of the first signal terminal S1 and the first arc-shaped portion 2a14 of the second signal terminal S2, and is not in contact with the first arc-shaped portion 2a14 of the first signal terminal S1 and the first arc-shaped portion 2a14 of the second signal terminal S2; the second extension portion 315 at least partially shields the second extension portion 2a15 of the first signal terminal S1 and the second extension portion 2a15 of the second signal terminal S2, and is not in contact with the second extension portion 2a15 of the first signal terminal S1 and the second extension portion 2a15 of the second signal terminal S2.

[0079] Those skilled in the art can understand that the first grounding sheet 31 is integrally formed and coincides with the length of the first intermediate portion 2al of the first conductive terminal 2a in the length direction of the first conductive terminal 2a, thereby facilitating improvement of the quality of signal transmission.

[0080] The first contact arm 2a2 of the first conductive terminal 2a and the first tail 2a3 of the first conductive terminal 2a both extend out of the first insulating block 41. The first contact arm 2a2 extends into the mating slot 110, and the first tail 2a3 is configured to be mounted on a circuit board (not shown).

[0081] In the embodiment shown in the utility model, the first insulating block 41 is provided with a first abutting protrusion 411, a second abutting protrusion 412, a third abutting protrusion 413 and a fourth abutting protrusion 414, wherein the first abutting protrusion 411 and the third abutting protrusion 413 are located on the same side of the first insulating block 41, and the second abutting protrusion 412 and the fourth abutting protrusion 414 are located on the same side of the first insulating block 41. The first abutting protrusion 411 is provided with a first guide inclined surface 4111 and a first abutting surface 4112, the second abutting protrusion 412 is provided with a second guide inclined surface 4121 and a second abutting surface 4122, the third abutting protrusion 413 is provided with a third guide inclined surface 4131 and a third abutting surface 4132, and the fourth abutting protrusion 414 is provided with a fourth guide inclined surface 4141 and a fourth abutting surface 4142. In the embodiment shown in the utility model, the first abutting protrusion 411 and the second abutting protrusion 412 are respectively located on the two sides of the first insulating block 41 along the second direction A2-A2 (for example, the left-right direction), and the third abutting protrusion 413 and the fourth abutting protrusion 414 are respectively located on the two sides of the first insulating block 41 along the second direction A2-A2. The second direction A2-A2 is perpendicular to the first direction A1-A1. In the embodiment shown in the utility model, the first abutting protrusion 411 and the second abutting protrusion 412 are symmetrically arranged, and the third abutting protrusion 413 and the fourth abutting protrusion 414 are symmetrically arranged.

[0082] The first abutting protrusion 411 is at least partially accommodated in the first accommodating opening 1311, and the first abutting end surface 1321 abuts against the first abutting surface 4112; the second abutting protrusion 412 is at least partially accommodated in the second accommodating opening 1411, and the second abutting end surface 1421 abuts against the second abutting surface 4122; the third abutting protrusion 413 is at least partially accommodated in the third accommodating opening 1331, and the third abutting end surface 1341 abuts against the third abutting surface 4132; and the fourth abutting protrusion 414 is at least partially accommodated in the fourth accommodating opening 1431, and the fourth abutting end surface 1441 abuts against the fourth abutting surface 4142. In this way, after the first terminal module M1 is assembled in the mounting space 120, the first terminal module M1 can be prevented from falling off the insulating body 1 in a direction opposite to the assembly direction.

[0083] Please combineFigures 17 to 20 As shown, the second terminal module M2 comprises a plurality of second conductive terminals 2b, a second ground sheet 32, and a second insulating block 42 fixed on the second conductive terminals 2b and the second ground sheet 32. In the embodiment shown in the utility model, the second insulating block 42 is formed on the second conductive terminals 2b and the second ground sheet 32, so that the second terminal module M2 is formed as an indivisible whole.

[0084] The plurality of second conductive terminals 2b comprises a third signal terminal S3, a fourth signal terminal S4, a third ground terminal G3, and a fourth ground terminal G4, wherein the third signal terminal S3 and the fourth signal terminal S4 are close to each other to form a second differential pair DP2, and the third ground terminal G3 and the fourth ground terminal G4 are respectively located on two sides of the second differential pair DP2.

[0085] Each second conductive terminal 2b comprises a second intermediate part 2b1, a second contact arm 2b2, and a second tail part 2b3.

[0086] In the embodiment shown in the utility model, the second intermediate part 2b1 comprises a second main body part 2b11, a third bending part 2b12 connected with the second main body part 2b11, and a third extension part 2b13 connected with the third bending part 2b12.

[0087] Each second conductive terminal 2b further comprises a fourth bending part 2b4 connected with the third extension part 2b13, and the second tail part 2b3 is connected with the fourth bending part 2b4. The second contact arm 2b2 is connected with the second intermediate part 2b1.

[0088] In the embodiment shown in the utility model, the second main body part 2b11, the third extension part 2b13, and the second tail part 2b3 are all parallel to each other. The fourth bending part 2b4 is perpendicular to the third extension part 2b13. The third bending part 2b12 is arranged obliquely.

[0089] In the embodiment shown in the utility model, the width of the second intermediate part 2b1 of the third ground terminal G3 is greater than the width of the second intermediate part 2b1 of the third signal terminal S3, and also greater than the width of the second intermediate part 2b1 of the fourth signal terminal S4. The width of the second contact arm 2b2 of the third ground terminal G3 is greater than the width of the second contact arm 2b2 of the third signal terminal S3, and also greater than the width of the second contact arm 2b2 of the fourth signal terminal S4. In this way, the third ground terminal G3 and the fourth ground terminal G4 can provide better shielding for the third signal terminal S3 and the fourth signal terminal S4, which is conducive to improving the quality of signal transmission.

[0090] In the embodiment shown in the utility model, the second grounding sheet 32 is integrally formed, and the second grounding sheet 32 comprises a second base 321, a ninth abutting portion 321a and a tenth abutting portion 321b extending from two sides of the second base 321 respectively, a second inclined portion 322 connected with the second base 321, an eleventh abutting portion 322a and a twelfth abutting portion 322b extending from two sides of the second inclined portion 322 respectively, a third extension portion 323 connected with the second inclined portion 322, and a thirteenth abutting portion 323a and a fourteenth abutting portion 323b extending from two sides of the third extension portion 323 respectively.

[0091] When the second grounding sheet 32 is installed on the second conductive terminal 2b, the ninth abutting portion 321a is in contact with the second main body portion 2b11 of the third grounding terminal G3, and the tenth abutting portion 321b is in contact with the second main body portion 2b11 of the fourth grounding terminal G4; the eleventh abutting portion 322a is in contact with the third bent portion 2b12 of the third grounding terminal G3, and the twelfth abutting portion 322b is in contact with the third bent portion 2b12 of the fourth grounding terminal G4; the thirteenth abutting portion 323a is in contact with the third extension portion 2b13 of the third grounding terminal G3, and the fourteenth abutting portion 323b is in contact with the third extension portion 2b13 of the fourth grounding terminal G4. The second base 321 at least partially shields the second main body portion 2b11 of the third signal terminal S3 and the second main body portion 2b11 of the fourth signal terminal S4, and does not contact the second main body portion 2b11 of the third signal terminal S3 and the second main body portion 2b11 of the fourth signal terminal S4; the second inclined portion 322 at least partially shields the third bent portion 2b12 of the third signal terminal S3 and the third bent portion 2b12 of the fourth signal terminal S4, and does not contact the third bent portion 2b12 of the third signal terminal S3 and the third bent portion 2b12 of the fourth signal terminal S4; and the third extension portion 323 at least partially shields the third extension portion 2b13 of the third signal terminal S3 and the third extension portion 2b13 of the fourth signal terminal S4, and does not contact the third extension portion 2b13 of the third signal terminal S3 and the third extension portion 2b13 of the fourth signal terminal S4.

[0092] Those skilled in the art can understand that the second grounding sheet 32 is integrally formed and coincides with the length of the second intermediate portion 2b1 of the second conductive terminal 2b in the length direction of the second conductive terminal 2b, thereby facilitating improvement of the quality of signal transmission.

[0093] The second contact arm 2b2 of the second conductive terminal 2b and the second tail 2b3 of the second conductive terminal 2b both extend out of the second insulating block 42. The second contact arm 2b2 extends into the mating slot 110, and the second tail 2b3 is configured to be mounted on a circuit board (not shown).

[0094] As shown in Figure 21 and Figure 22 The third terminal module M3 includes a plurality of third conductive terminals 2c and a third insulating block 43 fixed on the third conductive terminals 2c. In the embodiment shown in the utility model, the third insulating block 43 is formed on the third conductive terminals 2c, so that the third terminal module M3 is formed as an indivisible whole. Each third conductive terminal 2c includes a third intermediate portion 2c1, a third contact arm 2c2, and a third tail 2c3.

[0095] The fourth terminal module M4 includes a plurality of fourth conductive terminals 2d and a fourth insulating block 44 fixed on the fourth conductive terminals 2d. In the embodiment shown in the utility model, the fourth insulating block 44 is formed on the fourth conductive terminals 2d, so that the fourth terminal module M4 is formed as an indivisible whole. Each fourth conductive terminal 2d includes a fourth intermediate portion 2d1, a fourth contact arm 2d2, and a fourth tail 2d3.

[0096] In the embodiment shown in the utility model, the fourth terminal module M4 is assembled into the mounting space 120 alone; the first insulating block 41, the second insulating block 42, and the third insulating block 43 are fixed to each other, so that the first terminal module M1, the second terminal module M2, and the third terminal module M3 are combined into a whole before being assembled into the mounting space 120, and the third insulating block 43 abuts against the fourth insulating block 44 along the first direction A1-A1.

[0097] In the embodiment shown in the utility model, dovetail grooves and dovetail protrusions are respectively arranged between two insulating blocks that cooperate with each other among the first insulating block 41, the second insulating block 42, and the third insulating block 43, so as to ensure that the assembly does not fall off after being assembled.

[0098] The first contact arm 2a2 and the second contact arm 2b2 are arranged apart along the first direction A1-A1; the third contact arm 2c2 and the fourth contact arm 2d2 are arranged apart along the first direction A1-A1; the first contact arm 2a2 and the fourth contact arm 2d2 are respectively located on two sides of the docking slot 110 along a third direction A3-A3 (for example, the up-down direction), and the second contact arm 2b2 and the third contact arm 2c2 are respectively located on two sides of the docking slot 110 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.

[0099] The first tail 2a3, the second tail 2b3, the third tail 2c3 and the fourth tail 2d3 are arranged apart along the first direction A1-A1 to be mounted on the circuit board. In the embodiment shown in the utility model, the first tail 2a3, the second tail 2b3, the third tail 2c3 and the fourth tail 2d3 are all surface-mounted and welded on the circuit board.

[0100] The above embodiments are only used to illustrate the utility model and not to limit the technical solutions described in the utility model, and the understanding of the utility model should be based on the technical personnel in the art, and although the utility model has been described in detail with reference to the above embodiments, those skilled in the art should understand that the technical personnel in the art can still modify or equivalently replace the utility model, and all technical solutions and improvements that do not deviate from the spirit and scope of the utility model should be covered in the scope of the claims of the utility model.

Claims

1. An electrical connector, characterized by, The application relates to a connector, comprising: an insulating body, which comprises a mating surface, a mating slot penetrating through the mating surface along a first direction and configured to accommodate a mating module, an assembling surface opposite to the mating surface, and a mounting space penetrating through the assembling surface along the first direction and communicating with the mating slot; a first terminal module, which comprises a plurality of first conductive terminals and a first insulating block fixed on the first conductive terminals, the first terminal module being mounted in the mounting space, each first conductive terminal comprising a first contact arm protruding from the first insulating block, the first contact arm protruding into the mating slot and configured to contact the mating module; wherein the first insulating block is provided with a first abutting protrusion; the insulating body comprises a first side wall and a second side wall opposite to the first side wall, wherein the mounting space is located between the first side wall and the second side wall; the first side wall is provided with a first elastic arm, and the first elastic arm abuts against the first abutting protrusion along the first direction.

2. The electrical connector of claim 1, wherein: the first abutting protrusion is provided with a first guide inclined surface and a first abutting surface; the first side wall is provided with a first opening, the first elastic arm extends into the first opening in a cantilevered manner, the first opening comprises a first receiving opening located at one end of the first elastic arm along the first direction, the first abutting protrusion is at least partially accommodated in the first receiving opening, the first elastic arm is provided with a first abutting end surface located at a free end of the first elastic arm, and the first abutting end surface abuts against the first abutting surface.

3. The electrical connector of claim 2, wherein: the first insulating block is provided with a second abutting protrusion, the first abutting protrusion and the second abutting protrusion are located on two sides of the first insulating block along a second direction, and the second direction is perpendicular to the first direction; the second side wall is provided with a second elastic arm, and the second elastic arm abuts against the second abutting protrusion along the first direction.

4. The electrical connector of claim 3, wherein: the first abutting protrusion and the second abutting protrusion are symmetrically arranged, and the first elastic arm and the second elastic arm are symmetrically arranged.

5. The electrical connector of claim 1, wherein: the first insulating block is provided with a third abutting protrusion, the third abutting protrusion is located on the same side of the first insulating block as the first abutting protrusion; the first side wall is provided with a third elastic arm, and the third elastic arm abuts against the third abutting protrusion along the first direction.

6. The electrical connector of claim 5, wherein: the third abutting protrusion and the first abutting protrusion are arranged in a staggered manner along the first direction and are located at different heights.

7. The electrical connector of claim 3, wherein: the first insulating block is provided with a fourth abutting protrusion, the fourth abutting protrusion is located on the same side of the first insulating block as the second abutting protrusion; the second side wall is provided with a fourth elastic arm, and the fourth elastic arm abuts against the fourth abutting protrusion along the first direction.

8. The electrical connector of claim 7, wherein: the fourth abutting protrusion and the second abutting protrusion are arranged in a staggered manner along the first direction and are located at different heights.

9. The electrical connector of claim 1, wherein: The first plurality of conductive terminals includes a first signal terminal, a second signal terminal, a first ground terminal, and a second ground terminal, wherein the first signal terminal and the second signal terminal are adjacent to each other, and the first ground terminal and the second ground terminal are respectively located on two sides of the first signal terminal and the second signal terminal; each first conductive terminal further includes a first intermediate portion and a first tail portion; the first intermediate portion includes a first main body portion and a first bent portion connected to the first main body portion; The first terminal module further includes a first ground sheet, which is integrally formed, and includes a first base portion, a first abutting portion and a second abutting portion respectively extending from two sides of the first base portion, a first inclined portion connected to the first base portion, and a third abutting portion and a fourth abutting portion respectively extending from two sides of the first inclined portion; The first abutting portion is in contact with the first main body portion of the first ground terminal, the second abutting portion is in contact with the first main body portion of the second ground terminal, the third abutting portion is in contact with the first bent portion of the first ground terminal, the fourth abutting portion is in contact with the first bent portion of the second ground terminal, the first base portion at least partially shields the first main body portion of the first signal terminal and the first main body portion of the second signal terminal, and does not contact the first main body portion of the first signal terminal and the first main body portion of the second signal terminal; the first inclined portion at least partially shields the first bent portion of the first signal terminal and the first bent portion of the second signal terminal, and does not contact the first bent portion of the first signal terminal and the first bent portion of the second signal terminal.

10. The electrical connector of claim 1, wherein: The electrical connector further includes: A second terminal module, the second terminal module includes: A plurality of second conductive terminals, the plurality of second conductive terminals includes a third signal terminal, a fourth signal terminal, a third ground terminal, and a fourth ground terminal, wherein the third signal terminal and the fourth signal terminal are adjacent to each other, and the third ground terminal and the fourth ground terminal are respectively located on two sides of the third signal terminal and the fourth signal terminal; each second conductive terminal includes a second intermediate portion, a second contact arm, and a second tail portion; and A second ground sheet, which is integrally formed, and is in contact with the second intermediate portion of the third ground terminal and the second intermediate portion of the fourth ground terminal; A third terminal module, the third terminal module includes a plurality of third conductive terminals, each third conductive terminal includes a third intermediate portion, a third contact arm, and a third tail portion; and A fourth terminal module, the fourth terminal module includes a plurality of fourth conductive terminals, each fourth conductive terminal includes a fourth intermediate portion, a fourth contact arm, and a fourth tail portion; The second terminal module, the third terminal module, and the fourth terminal module are all installed in the installation space; the second contact arm, the third contact arm, and the fourth contact arm all protrude into the mating slot.

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