Electric connector

Abstract

The utility model discloses an electric connector, which comprises an insulating seat, a plurality of signal terminals and a plurality of grounding terminals, the signal terminals and the grounding terminals are inserted and fixed in the insulating seat, pin parts of the signal terminals and the grounding terminals extend out of the lower end surface of the insulating seat, a plastic frame is arranged at the lower end of the insulating seat, and the signal terminals and the grounding terminals are arranged in the plastic frame. The plastic frame is provided with a plurality of through holes for the pin parts of the grounding terminals to penetrate through, the plastic frame abuts against the lower ends of the grounding terminals so as to limit the grounding terminals in the insulating base, the pin parts of the grounding terminals penetrate through the through holes of the plastic frame so as to extend out of the plastic frame, and the plastic frame is further provided with a conductive layer. And the conductive layer is in contact with each grounding terminal, so that all the grounding terminals are connected in series and conducted. According to the utility model, the structure is stable, the phenomenon that the grounding terminals exit can be effectively prevented, all the grounding terminals are connected in series to realize a common-ground effect, and the grounding terminal has an excellent impedance characteristic, can well improve crosstalk resonance and can pass a high-frequency test.

Description

Technical field:

[0001] The utility model relates to the technical field of connectors, in particular to an electric connector with a stable structure and all grounding terminals connected in series to achieve a common grounding effect. Background technology:

[0002] Electrical connectors are used to realize electrical connection between components. They not only realize electrical connection, but also signal connection, ensuring the stable operation of the device / equipment.

[0003] The Chinese invention patent with the authorization announcement number CN108631094B discloses an electrical connector, which includes an insulating seat and a plurality of terminal rows arranged on the insulating seat. Each terminal row includes a plurality of grounding terminals and a plurality of pairs of differential signal terminals arranged alternately along a first direction. Each grounding terminal has a body portion and two elastic contact portions extending from the body portion at intervals from each other. Each signal terminal of each pair of differential signal terminal pairs has a body portion and an elastic contact portion extending from the body portion.

[0004] The above-mentioned electrical connector has the following deficiencies: First, all the grounding terminals in the above-mentioned electrical connector are independent entities and are not connected in series, resulting in an unsatisfactory grounding effect. At the same time, the grounding terminal is only fixed in the insulating seat body by the barbs arranged on the outside thereof, but the structural stability is not sufficient. During the plug-in process, the grounding terminal may retreat, and the quality of the product cannot be guaranteed.

[0005] In view of this, the inventor proposes the following technical solution. Utility model content:

[0006] The purpose of the utility model is to overcome the deficiencies of the prior art and provide an electrical connector.

[0007] In order to solve the above technical problems, the utility model adopts the following technical solutions: the electrical connector includes an insulating seat and a plurality of signal terminals and a plurality of grounding terminals, the signal terminals and the grounding terminals are both inserted and fixed in the insulating seat, the pins of the signal terminals and the grounding terminals are both extended out of the lower end surface of the insulating seat, a plastic frame is provided at the lower end of the insulating seat, a plurality of through holes are provided on the plastic frame for the pins of the grounding terminals to pass through, and the plastic frame is pressed against the lower end of the grounding terminal to confine the grounding terminal in the insulating seat, wherein the pins of the grounding terminals pass through the through holes of the plastic frame to extend out of the plastic frame, and a conductive layer is also provided on the plastic frame, the conductive layer is in contact with each grounding terminal, so that all the grounding terminals are connected in series.

[0008] Furthermore, in the above technical solution, a frame groove is provided on the lower end surface of the insulating seat, and a first limiting groove is provided on one side of the frame groove, the second pin portion of the grounding terminal is exposed in the first limiting groove, the plastic frame is embedded in the frame groove, and the first limiting protrusion on the plastic frame is embedded and fixed in the first limiting groove, and the first limiting protrusion is provided with the above-mentioned through hole.

[0009] Furthermore, in the above technical solution, the grounding terminal includes a second main body portion, a second elastic conductive portion bent and formed at the upper end of the second main body portion, and a second pin portion formed at the lower end of the second main body portion, the size of the second pin portion is smaller than the size of the second main body portion, and the plastic frame is pressed against the lower end of the second main body portion.

[0010] Furthermore, in the above technical solution, a second limiting groove is respectively provided on the other side of the frame groove, and the second limiting protrusion on the plastic frame is embedded and fixed in the second limiting groove, and a limiting hole is provided on the outer side of the second limiting protrusion, wherein the second limiting protrusion is pressed against the lower end of at least one signal terminal to limit the signal terminal to the insulating seat, and the outer side of the signal terminal is embedded and positioned with the limiting hole.

[0011] Further, in the above technical solution, the signal terminal includes a first signal terminal and a second signal terminal, the first signal terminal includes a first main body portion, a first elastic conductive portion bent and formed at the upper end of the first main body portion, and a first pin portion formed at the lower end of the first main body portion; the second signal terminal includes a third main body portion, at least two third elastic conductive portions bent and formed at the upper end of the third main body portion and two distributed third pin portions, at least two third pin portions formed at the lower end of the first main body portion and spaced apart, and a positioning foot located between the two third pin portions, and a groove body is formed between the positioning foot and the third pin portion, and the second limiting protrusion is embedded in the groove body and pressed against the third main body portion.

[0012] Furthermore, in the above technical solution, the two first signal terminals are spaced apart to form a pair of differential signal terminal pairs, and the multiple pairs of differential signal terminal pairs and multiple ground terminals are staggered and arranged in a row; and the multiple second signal terminals are arranged in a row.

[0013] Furthermore, in the above technical solution, a cover plate is fixed to the lower end of the insulating seat, and the cover plate is pressed against the lower end surface of the plastic frame to limit the plastic frame; the cover plate is provided with a plurality of pin holes, and the pin portions of the signal terminal and the ground terminal are both inserted into the pin holes.

[0014] Furthermore, in the above technical solution, a plurality of rivets are provided at the lower end of the insulating seat, and a plurality of rivet holes corresponding to the rivets are provided on the cover plate, the rivets pass through the rivet holes and are fixed to the lower end surface of the cover plate by riveting, so that the cover plate is fixed to the lower end of the insulating seat; a plurality of positioning blocks are provided at the upper end of the cover plate, and the positioning blocks are clamped and positioned with the positioning grooves on the plastic frame; a plurality of slots connecting the rivet holes are also provided on the outer side of the cover plate.

[0015] Furthermore, in the above technical solution, a plurality of receiving grooves are also provided at the lower end of the cover plate, one receiving groove is connected to a pin hole, and a solder ball is received in the receiving groove, the solder ball is positioned in the receiving groove, and is connected and conducted with the pin portion of the signal terminal or the ground terminal.

[0016] Furthermore, in the above technical solution, a pair of slots and a plurality of first terminal slots and a second terminal slot connected to the pair of slots are provided at the upper end of the insulating seat, the signal terminal and the grounding terminal are respectively inserted and fixed in the first terminal slot and the second terminal slot, and a first barb is provided on the outer side of the signal terminal to be clamped and positioned with the inner wall of the first terminal slot, and a second barb is provided on the outer side of the grounding terminal to be clamped and positioned with the inner wall of the second terminal slot, and the first elastic conductive portion of the signal terminal and the second elastic conductive portion of the grounding terminal are both exposed in the pair of slots of the insulating seat.

[0017] After adopting the above technical solution, the utility model has the following beneficial effects compared with the prior art: the utility model adds a plastic frame, through which the grounding terminal is pressed, and only the pin part of the grounding terminal is allowed to pass through the perforation of the plastic frame to extend out of the plastic frame, so that the grounding terminal can be stably positioned, so that the grounding terminal can be installed in the insulating seat stably enough, and even during the plug-in use process, there is no phenomenon of the grounding terminal retreating, which ensures the quality of this product and improves the service life of the product. In addition, a conductive layer is also provided on the plastic frame, and the conductive layer is in contact with each grounding terminal, so that all the grounding terminals are connected in series, so that all the grounding terminals can achieve a common ground effect, which has excellent impedance characteristics, and can well improve crosstalk resonance, and can pass high-frequency testing. Description of the drawings:

[0018] Figure 1 It is a three-dimensional diagram of the utility model;

[0019] Figure 2 It is a stereogram of another viewing angle of the utility model;

[0020] Figure 3 It is a cross-sectional view of the utility model;

[0021] Figure 4 It is a three-dimensional exploded view of the utility model;

[0022] Figure 5It is a three-dimensional diagram of the utility model after the cover plate is removed;

[0023] Figure 6 yes Figure 5 A partial enlarged view of part A;

[0024] Figure 7 It is a three-dimensional diagram of the plastic frame in the utility model;

[0025] Figure 8 It is a three-dimensional diagram of the plastic frame in the utility model from another perspective;

[0026] Fig. 9 It is a three-dimensional diagram of the cover plate in the utility model;

[0027] Fig.10 It is a three-dimensional diagram of the first signal terminal in the utility model;

[0028] Fig.11 It is a three-dimensional diagram of the ground terminal in the utility model;

[0029] Fig.12 It is a three-dimensional diagram of the second signal terminal in the utility model. Specific implementation method:

[0030] The utility model is further described below in conjunction with specific embodiments and drawings.

[0031] See Figure 1-12 As shown, an electrical connector includes an insulating seat 1, a plurality of signal terminals 2, and a plurality of ground terminals 3.

[0032] In this embodiment, the insulating seat 1 is integrally injection molded by plastic. The signal terminal 2 and the grounding terminal 3 are both inserted and fixed in the insulating seat 1, and the pins of the signal terminal 2 and the grounding terminal 3 are both extended out of the lower end surface of the insulating seat 1, wherein the upper end of the insulating seat 1 is provided with a pair of slots 15 and a plurality of first terminal slots 151 and second terminal slots 152 connected to the pair of slots 15, and the signal terminal 2 and the grounding terminal 3 are respectively inserted and fixed in the first terminal slots 151 and the second terminal slots 152, and the elastic conductive parts of the signal terminal 2 and the grounding terminal 3 are both exposed in the pair of slots 15, that is, the first elastic conductive part 212 of the signal terminal 2 and the second elastic conductive part 32 of the grounding terminal 3 are both exposed in the pair of slots 15 of the insulating seat 1. When the electrical connector of the utility model is plugged into the matching connector, the elastic conductive parts of the signal terminal 2 and the grounding terminal 3 are both connected to the signal terminal and the grounding terminal of the matching connector one by one, so as to realize communication.

[0033] In order to ensure the stability of the assembly structure of the utility model, the signal terminal 2 is provided with a first barb 201 on the outside to hold and position with the inner wall of the first terminal groove 151, and the ground terminal 3 is provided with a second barb 301 on the outside to hold and position with the inner wall of the second terminal groove 152, so that the signal terminal 2 and the ground terminal 3 can be stably assembled in the insulating seat 1 to a certain extent, thereby improving the product quality. However, it is difficult to ensure that the signal terminal 2 and the ground terminal 3 are sufficiently stably assembled in the insulating seat 1 by relying solely on the first barb 201 and the second barb 301, that is, the stability of the assembly structure is not sufficient, and during the plug-in process, the ground terminal may retreat, and the quality of the product cannot be guaranteed.

[0034] In this regard, the utility model also makes the following improvements: a plastic frame 4 is provided at the lower end of the insulating seat 1, and a plurality of through holes 401 for the pin portion of the grounding terminal 3 to pass through is provided on the plastic frame 4, and the plastic frame 4 is pressed against the lower end of the grounding terminal 3 to confine the grounding terminal 3 in the insulating seat 1, wherein the pin portion of the grounding terminal 3 passes through the through hole 401 of the plastic frame 4 to extend out of the plastic frame 4, that is, the utility model adds a plastic frame 4, through which the grounding terminal 3 is pressed, and only the pin portion of the grounding terminal 3 passes through the through hole 401 of the plastic frame 4 to extend out of the plastic frame 4, thereby stably positioning the grounding terminal 3, so that the grounding terminal 3 is sufficiently stably installed in the insulating seat 1, and even during the plug-in use process, there is no phenomenon of the grounding terminal retreating, thereby ensuring the quality of this product (i.e., the electrical connector of the utility model) and improving the service life of the product. In addition, a conductive layer is also provided on the plastic frame 4, and the conductive layer is in contact with each grounding terminal 3, so that all the grounding terminals 3 are connected in series, so that all the grounding terminals can achieve a common ground effect, which has excellent impedance characteristics, and can well improve crosstalk resonance and pass high-frequency testing.

[0035] The assembly structure of the insulating seat 1 and the plastic frame 4 is as follows:

[0036] The lower end surface of the insulating seat 1 is provided with a frame groove 11, and a first limiting groove 12 is provided on one side of the frame groove 11. The second pin portion 33 of the grounding terminal 3 is exposed in the first limiting groove 12. The plastic frame 4 is embedded and installed in the frame groove 11, and the first limiting protrusion 41 on the plastic frame 4 is embedded and fixed in the first limiting groove 12, and the first limiting protrusion 41 is provided with the through hole 401, so as to ensure that the plastic frame 4 is stably assembled in the frame groove 11 of the insulating seat 1, and the second pin portion 33 of the grounding terminal 3 passes through the first limiting protrusion 41 and extends out of the first limiting protrusion 41.

[0037] The grounding terminal 3 includes a second main body 31, a second elastic conductive portion 32 bent and formed at the upper end of the second main body 31, and a second pin portion 33 formed at the lower end of the second main body 31. The size of the second pin portion 33 is smaller than the size of the second main body 31, and the plastic frame 4 is pressed against the lower end of the second main body 31. When the second pin portion 33 of the grounding terminal 3 passes through the through hole 401 of the first limiting protrusion 41 and extends out of the first limiting protrusion 41, the first limiting protrusion 41 can stably press the second main body of the grounding terminal 3, thereby ensuring that the grounding terminal 3 is stably installed in the insulating seat 1.

[0038] The conductive layer is an electroplating layer, which is arranged on the plastic frame 4 by electroplating, and the electroplating layer is in contact with all the grounding terminals 3, wherein the electroplating layer is arranged on the upper end surface of the plastic frame 4, and when the upper end surface of the plastic frame 4 is pressed against the lower end of the second main body 31 of the grounding terminal 3, the electroplating layer is in contact with the grounding terminal 3 and forms electrical conduction. Alternatively, the conductive layer is a flexible circuit board, which is fixed on the plastic frame 4, and the electroplating layer is in contact with all the grounding terminals 3 and forms electrical conduction. Of course, the conductive layer can also be a metal sheet, etc., as long as it can be fixed on the plastic frame 4, achieve contact with all the grounding terminals 3, and form electrical conduction.

[0039] A second limiting groove 13 is respectively provided on the other side of the frame groove 11, and the second limiting protrusion 42 on the plastic frame 4 is embedded and fixed in the second limiting groove 13, and a limiting hole 421 is provided on the outer side of the second limiting protrusion 42, wherein the second limiting protrusion 42 presses against the lower end of at least one signal terminal 2 to limit the signal terminal 2 to the insulating seat 1, and the outer side of this signal terminal 2 is embedded and positioned with the limiting hole 421, so that this signal terminal 2 can also be stably installed in the insulating seat 1, and can also effectively avoid the phenomenon of the signal terminal 2 withdrawing from the insulating seat 1, thereby improving the quality of the product.

[0040] The signal terminal 2 includes a first signal terminal 21 and a second signal terminal 22. The first signal terminal 21 includes a first main body 211 and a first elastic conductive portion 212 bent and formed at the upper end of the first main body 211 and a first pin portion 213 formed at the lower end of the first main body 211; the second signal terminal 22 includes a third main body 221 and at least two third elastic conductive portions 222 bent and formed at the upper end of the third main body 221 and distributed in two, and at least two third pin portions 223 formed at the lower end of the first main body 211 and distributed at intervals, and a positioning foot 224 located between the two third pin portions 223, and a groove body 225 is formed between the positioning foot 224 and the third pin portion 223, and the second limiting protrusion 42 is embedded in the groove body 225 and pressed against the third main body 221. That is to say, the first signal terminal 21 is not pressed by the plastic frame 4, but only the second signal terminal 22 is pressed by the plastic frame 4, so that the second signal terminal 22 can also be stably installed in the insulating seat 1, and the phenomenon of the second signal terminal 22 withdrawing from the insulating seat 1 can be effectively avoided, thereby improving the quality of the product.

[0041] The two first signal terminals 21 are arranged at intervals to form a pair of differential signal terminals, and the multiple pairs of differential signal terminals and the multiple ground terminals 3 are arranged in a row and staggered; the multiple second signal terminals 22 are arranged in a row.

[0042] A cover plate 5 is also fixed to the lower end of the insulating seat 1, and the cover plate 5 is also pressed against the lower end surface of the plastic frame 4 to limit the plastic frame 4; the cover plate 5 is provided with a plurality of pin holes 51, and the pin portions of the signal terminal 2 and the ground terminal 3 are both inserted into the pin holes 51. The cover plate 5 is also provided with a positioning hole 501, and the end of the positioning foot 224 is embedded and fixed in the positioning hole 501, further improving the stability of the assembly structure. And when the first pin portion 213 of the first signal terminal 21 is inserted into the pin hole 51 of the cover plate 5, the cover plate 5 can also effectively prevent the phenomenon that the first signal terminal 21 exits the insulating seat 1, thereby improving the quality of the product.

[0043] The lower end of the cover plate 5 is also provided with a plurality of receiving grooves 55, one receiving groove 55 is connected to one pin hole 51, and a solder ball 6 is received in the receiving groove 55, and the solder ball 6 is positioned in the receiving groove 55 and is connected and conducted with the pin portion of the signal terminal 2 or the ground terminal 3. The solder ball 6 is assembled with the pin portion of the signal terminal 2 or the ground terminal 3 in the following manner: the pin portion of the signal terminal 2 or the ground terminal 3 pierces the solder ball 6, or the solder ball 6 is melted and fixedly connected with the pin portion of the signal terminal 2 or the ground terminal 3. By positioning the solder ball 6 on the pin portion of the signal terminal 2 or the ground terminal 3, it is possible to facilitate the rapid assembly of the entire electrical connector and the PCB board in the later stage, thereby improving efficiency.

[0044] A plurality of rivets 14 are provided at the lower end of the insulating seat 1, and a plurality of rivet holes 52 corresponding to the rivets 14 are provided on the cover plate 5. The rivets 14 pass through the rivet holes 52 and are fixed to the lower end surface of the cover plate 5 by riveting, so that the cover plate 5 is fixed to the lower end of the insulating seat 1. The assembly structure is stable and can effectively prevent the cover plate from falling off; a plurality of positioning blocks 53 are provided at the upper end of the cover plate 5, and the positioning blocks 53 are clamped and positioned with the positioning grooves 402 on the plastic frame 4, so as to ensure the stability of the assembly structure; a plurality of slots 54 communicating with the rivet holes 52 are also provided on the outer side of the cover plate 5, so that the rivet holes 52 have a certain expandability, so that the rivets 14 can better pass through the rivet holes 52 and be fixed by riveting in the later stage.

[0045] In summary, the utility model adds a plastic frame 4, through which the grounding terminal 3 is pressed, and only the pin portion of the grounding terminal 3 is allowed to pass through the through hole 401 of the plastic frame 4 to extend out of the plastic frame 4, so that the grounding terminal 3 can be stably positioned, so that the grounding terminal 3 can be sufficiently stably installed in the insulating seat 1, and even during the plug-in use process, there is no phenomenon of the grounding terminal retreating, which ensures the quality of this product (i.e., the electrical connector of the utility model) and improves the service life of the product. In addition, a conductive layer is also provided on the plastic frame 4, and the conductive layer is in contact with each grounding terminal 3, so that all the grounding terminals 3 are connected in series, so that all the grounding terminals can achieve a common ground effect, which has excellent impedance characteristics, and can well improve crosstalk resonance, and can pass high-frequency testing.

[0046] Of course, the above description is only a specific embodiment of the present invention and is not intended to limit the scope of implementation of the present invention. Any equivalent changes or modifications made according to the structure, characteristics and principles described in the patent application scope of the present invention should be included in the patent application scope of the present invention.

Claims

1. An electrical connector, comprising an insulating seat (1) and a plurality of signal terminals (2) and a plurality of grounding terminals (3), wherein the signal terminals (2) and the grounding terminals (3) are both inserted and fixed in the insulating seat (1), and the pins of the signal terminals (2) and the grounding terminals (3) are both extended out of the lower end surface of the insulating seat (1). Features: A plastic frame (4) is provided at the lower end of the insulating seat (1), and a plurality of through holes (401) are provided on the plastic frame (4) for the pins of the grounding terminal (3) to pass through, and the plastic frame (4) is pressed against the lower end of the grounding terminal (3) to confine the grounding terminal (3) in the insulating seat (1), wherein the pins of the grounding terminal (3) pass through the through holes (401) of the plastic frame (4) to extend out of the plastic frame (4), and a conductive layer is also provided on the plastic frame (4), and the conductive layer is in contact with each grounding terminal (3), so that all the grounding terminals (3) are connected in series.

2. The electrical connector according to claim 1, characterized in that: The lower end surface of the insulating seat (1) is provided with a frame groove (11), and a first limiting groove (12) is provided on one side of the frame groove (11). The second pin portion (33) of the grounding terminal (3) is exposed in the first limiting groove (12). The plastic frame (4) is embedded in the frame groove (11), and the first limiting protrusion (41) on the plastic frame (4) is embedded and fixed in the first limiting groove (12), and the first limiting protrusion (41) is provided with the through hole (401).

3. The electrical connector according to claim 2, wherein: The grounding terminal (3) comprises a second main body portion (31), a second elastic conductive portion (32) bent and formed at the upper end of the second main body portion (31), and a second pin portion (33) formed at the lower end of the second main body portion (31), the size of the second pin portion (33) being smaller than the size of the second main body portion (31), and the plastic frame (4) is pressed against the lower end of the second main body portion (31).

4. The electrical connector according to claim 2, wherein: A second limiting groove (13) is respectively arranged on the other side of the frame groove (11), and a second limiting protrusion (42) on the plastic frame (4) is embedded and fixed in the second limiting groove (13), and a limiting hole (421) is arranged on the outer side of the second limiting protrusion (42), wherein the second limiting protrusion (42) presses against the lower end of at least one signal terminal (2) to limit the signal terminal (2) to the insulating seat (1), and the outer side of the signal terminal (2) is embedded and positioned with the limiting hole (421).

5. The electrical connector according to claim 4, characterized in that: The signal terminal (2) comprises a first signal terminal (21) and a second signal terminal (22); the first signal terminal (21) comprises a first main body portion (211), a first elastic conductive portion (212) bent and formed at the upper end of the first main body portion (211), and a first pin portion (213) formed at the lower end of the first main body portion (211); the second signal terminal (22) comprises a third main body portion (221) and at least two elastic conductive portions (212) bent and formed at the third main body portion. The first main body (221) has two third elastic conductive parts (222) distributed at the upper end thereof, at least two third pin parts (223) formed at the lower end of the first main body (211) and distributed at intervals, and a positioning foot (224) located between the two third pin parts (223), and a groove body (225) is formed between the positioning foot (224) and the third pin part (223), and the second limiting protrusion (42) is embedded in the groove body (225) and pressed against the third main body (221).

6. The electrical connector according to claim 5, characterized in that: Two first signal terminals (21) are arranged at intervals to form a pair of differential signal terminal pairs, and a plurality of pairs of differential signal terminal pairs and a plurality of ground terminals (3) are arranged in a row and staggered; a plurality of second signal terminals (22) are arranged in a row.

7. The electrical connector according to any one of claims 1 to 6, characterized in that: A cover plate (5) is also fixed to the lower end of the insulating seat (1), and the cover plate (5) is also pressed against the lower end surface of the plastic frame (4) to limit the plastic frame (4); the cover plate (5) is provided with a plurality of pin holes (51), and the pin portions of the signal terminal (2) and the ground terminal (3) are both inserted into the pin holes (51).

8. The electrical connector according to claim 7, characterized in that: The lower end of the insulating seat (1) is provided with a plurality of rivets (14), and the cover plate (5) is provided with a plurality of rivet holes (52) corresponding to the rivets (14); the rivets (14) pass through the rivet holes (52) and are fixed to the lower end surface of the cover plate (5) by riveting, so that the cover plate (5) is fixed to the lower end of the insulating seat (1); the upper end of the cover plate (5) is provided with a plurality of positioning blocks (53), and the positioning blocks (53) are clamped and positioned with positioning grooves (402) on the plastic frame (4); and the outer side of the cover plate (5) is also provided with a plurality of slots (54) communicating with the rivet holes (52).

9. The electrical connector according to claim 7, characterized in that: The lower end of the cover plate (5) is also provided with a plurality of receiving grooves (55), one receiving groove (55) is connected to a pin hole (51), and a solder ball (6) is received in the receiving groove (55), the solder ball (6) is positioned in the receiving groove (55), and is connected and conducted with a pin portion of the signal terminal (2) or the ground terminal (3).

10. The electrical connector according to any one of claims 1 to 4, characterized in that: The upper end of the insulating seat (1) is provided with a pair of slots (15) and a plurality of first terminal slots (151) and second terminal slots (152) connected to the pair of slots (15); the signal terminal (2) and the grounding terminal (3) are respectively inserted and fixed in the first terminal slot (151) and the second terminal slot (152); the outer side of the signal terminal (2) is provided with a first barb (201) for clamping and positioning with the inner wall of the first terminal slot (151); the outer side of the grounding terminal (3) is provided with a second barb (301) for clamping and positioning with the inner wall of the second terminal slot (152); and the first elastic conductive portion (212) of the signal terminal (2) and the second elastic conductive portion (32) of the grounding terminal (3) are both exposed in the pair of slots (15) of the insulating seat (1).

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