Electric connector

Abstract

The utility model discloses an electric connector. The electric connector comprises an insulating shell; the terminal group is arranged in the insulating shell, the terminal group is provided with a plurality of grounding terminals and an insulating body, each grounding terminal is provided with an outer bending part, a body part and an outer expansion part, the outer expansion part extends out of the bottom end of the insulating body, the outer bending part and the body part are arranged in the insulating body, and the outer bending part and the body part are arranged in the insulating body. The top end of the inner surface of the insulating body is provided with a plurality of assembling holes. And the conductive colloid is arranged in the middle of the terminal group, the top end and the bottom end of the outer surface of the conductive colloid are respectively provided with a plurality of upper convex parts and a plurality of lower convex parts, the plurality of upper convex parts are fixed in the plurality of assembling holes, the plurality of lower convex parts are arranged below the insulating body, and the plurality of lower convex parts are fixed in the plurality of assembling holes. The plurality of outer bending parts are electrically connected with the plurality of upper convex parts, and the plurality of outer expansion parts are electrically connected with the plurality of lower convex parts. Therefore, the electric connector provided by the utility model can improve high-frequency signals.

Description

TECHNICAL FIELD

[0001] The utility model relates to an electric connector, especially to an electric connector for improving high-frequency signals. BACKGROUND

[0002] With the development of science and technology, more signal terminals are needed for higher transmission performance, which will increase the structure of the connector, and is not conducive to the development of product integration and miniaturization. At the same time, the small structure and high transmission density of the connector terminals are prone to mutual interference, and the signal transmission is not complete.

[0003] Taiwanese Patent Certificate No. M560138 discloses a connector with a conductive plastic part, which includes an insulating body, a terminal seat, a plurality of signal terminals, a plurality of ground terminals, and at least one conductive plastic part. The signal terminals and ground terminals are fixed on the terminal seat to be fixed to the insulating body together with the terminal seat. The front end of the terminal seat is exposed to a receiving space, and the rear end extends from the rear end of the insulating body. The feature of the utility model is that the conductive plastic part is arranged on the terminal seat, at least a part of the conductive plastic part is exposed to the terminal seat, and only the ground terminals are in contact with the conductive plastic part. In this way, through the structure of the conductive plastic part, the connector can perform stable high-frequency and high-speed transmission.

[0004] However, the extension part of the conductive plastic part is covered by the insulating body. When transmitting high-frequency signals, the structure inside the connector will cause electromagnetic field resonance, which will make the high-frequency characteristics particularly poor in some specific frequency bands. In addition, the impedance mismatch will cause the signal insertion loss and reflection loss to deteriorate, affecting the crosstalk result. This phenomenon will be more serious at high frequencies, which will affect the quality of the electric connector transmission signal.

[0005] Therefore, it is necessary to provide an electric connector for improving high-frequency signals. SUMMARY

[0006] The utility model aims at the defects and deficiencies of the prior art to provide an electric connector.

[0007] To achieve the above object, the utility model discloses an electric connector, comprising: an insulating shell, a terminal group is arranged in the insulating shell, the terminal group is equipped with a plurality of signal terminals, a plurality of ground terminals and an insulating body, a plurality of signal terminals, a plurality of ground terminals are fixed in the insulating body, every ground terminal is equipped with a contact part, a top, an outer bending part, a body part, an outer expansion part and a welding part, the contact part and the top extend the top end of the insulating body, the outer bending part and the body part are arranged in the insulating body, the outer expansion part and the welding part extend the bottom end of the insulating body, the top end of the inner surface of the insulating body is outwardly recessed to form a plurality of assembly holes, and a conductive glue body is arranged in the middle of the terminal group, the top and bottom ends of the outer surface of the conductive glue body are respectively equipped with a plurality of upper convex parts and a plurality of lower convex parts, a plurality of upper convex parts are fixed in a plurality of assembly holes, a plurality of lower convex parts are arranged below the insulating body, a plurality of outer bending parts are electrically connected with a plurality of upper convex parts, and a plurality of outer expansion parts are electrically connected with a plurality of lower convex parts.

[0008] As further improvement, a plurality of ground terminals and a plurality of signal terminals are each equipped with a fixed part, the fixed part of every ground terminal includes the top, the outer bending part, the body part and the outer expansion part, the top end of the body part is outwardly bent and extends upward to form the outer bending part, the top end of the outer bending part extends upward to form the top, and the outer side edge of the bottom end of the body part is outwardly convex and extends downward to form the outer expansion part.

[0009] As further improvement, the bottom end of the outer expansion part extends downward to form the welding part, the outer expansion part is connected between the body part and the welding part, the inner surface of the welding part is outwardly recessed to form an inclined part, and the inclined part is arranged below a plurality of lower convex parts.

[0010] As further improvement, the width of the top is greater than the width of the outer bending part, the width of the top is greater than the width of the welding part, the width of the outer bending part is greater than the width of the body part, and the width of the welding part is greater than the width of the body part.

[0011] As further improvement, the bottom of the conductive glue body is equipped with a support body, the support body is arranged in the middle of the bottom end of the terminal group, the support body is equipped with a plate body, and a plurality of welding parts are arranged on the opposite two outer surfaces of the plate body.

[0012] As further improvement, the top end of the opposite two outer surfaces of the plate body extends inwardly and forms two chamfers, and a space is formed between the two chamfers and a plurality of inclined parts.

[0013] As a further improvement, the fixed part of each signal terminal is provided with a main body part, the outer side edge of the top end of the main body part is outwardly convex and upwardly extended to form a widened part, and the widened part is aligned with the outer bent part in the left-right direction of the insulating body.

[0014] As a further improvement, the inner side edge of the bottom end of the main body part is inwardly concave and downwardly extended to form a first reduced part, the inner side edge of the bottom end of the first reduced part is inwardly concave and downwardly extended to form a second reduced part, the rear end of the second reduced part is downwardly extended to form the welding part, and the first reduced part and the second reduced part are located above the outer widened parts of the ground terminals.

[0015] As a further improvement, the outer side of the middle of the fixed part of each signal terminal is outwardly extended to form a protrusion, the protrusion is fixed to the insulating body, and the protrusion is arranged at the outer side edge of the first reduced part.

[0016] As a further improvement, the width of the widened part is greater than the width of the main body part, the width of the main body part is greater than the width of the first reduced part, the width of the first reduced part is greater than the width of the second reduced part, and the width of the second reduced part is equal to the width of the welding part.

[0017] As described above, the electric connector of the utility model improves the high-frequency characteristic of the electric connector through the structural design of the differential terminal group. The bottom end of the bent part of the ground terminal is downwardly extended to form the top part, the top part extends out of the top end of the insulating body, the rear end of the top part is connected with the outer bent part, the outer bent part is arranged in the insulating body, the rear end of the outer bent part is connected with the main body part, the main body part is arranged in the insulating body, the rear end of the main body part is connected with the outer widened part, and the outer widened part extends out of the bottom end of the insulating body. The rear end of the outer widened part is rearwardly extended to form the welding part. In addition, the electric connector of the utility model improves the high-frequency characteristic of the electric connector through the structural design of the conductive adhesive. The conductive adhesive is provided with a plurality of upper protrusions and a plurality of lower protrusions. The outer bent parts of the ground terminals are electrically connected with the upper protrusions, so as to improve the high-frequency characteristic of the electric connector. The outer widened parts of the ground terminals are electrically connected with the lower protrusions, so as to improve the high-frequency characteristic of the electric connector. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a perspective view of the electric connector of the utility model.

[0019] Figure 2 It is a partial exploded view of the electric connector of the utility model.

[0020] Figure 3 The utility model discloses an electric connector along Figure 2 The utility model discloses an electric connector along

[0021] Figure 4 The utility model discloses an electric connector along

[0022] Figure 5 The utility model discloses an electric connector along Figure 4 The utility model discloses an electric connector along

[0023] Figure 6 The utility model discloses an electric connector along The utility model discloses an electric connector along

[0024] Figure 7 The utility model discloses an electric connector along

[0025] Figure 8 The utility model discloses an electric connector along The utility model discloses an electric connector along

[0026] Figure 9 The utility model discloses an electric connector along The utility model discloses an electric connector along

[0027] The utility model discloses an electric connector along Figure 10 The utility model discloses an electric connector along Figure 6 The utility model discloses an electric connector along

[0028] The utility model discloses an electric connector along

[0029] The utility model discloses an electric connector along

[0030] The utility model discloses an electric connector along

[0031] The utility model discloses an electric connector along

[0032] The utility model discloses an electric connector along

[0033] The utility model discloses an electric connector along

[0034] The utility model discloses an electric connector along

[0035] The utility model discloses an electric connector along

[0036] The utility model discloses an electric connector along

[0037] The utility model discloses an electric connector along

[0038] The utility model discloses an electric connector along

[0039] The utility model discloses an electric connector along

[0040] Ground terminal 25 top 250

[0041] Outer bending part 251 body part 252

[0042] Outer expansion part 253 signal terminal 26

[0043] Expansion part 261 main body part 262

[0044] First reduction part 263 second reduction part 264

[0045] Bump 265 conductive glue 3

[0046] Base 31 columnar part 32

[0047] Upper convex part 33 lower convex part 34

[0048] Positioning hole 35 support body 4

[0049] Plate body 41 chamfer 42

[0050] Bump 43 positioning column 44 DETAILED DESCRIPTION

[0051] To explain the technical content, construction features, purposes and effects of the utility model electric connector 100 in detail, the following examples are given and described in detail with reference to the drawings.

[0052] Please refer to Figures 1 to 7 The utility model electric connector 100 is provided with an insulating shell 1, a terminal group 2, a conductive glue 3 and a support body 4. The terminal group 2 and the conductive glue 3 are fixed in the insulating shell 1, and the support body 4 is exposed at the bottom of the insulating shell 1. The conductive glue 3 is arranged in the middle of the terminal group 2. The support body 4 is arranged at the bottom of the conductive glue 3. The support body 4 is arranged in the middle of the bottom end of the terminal group 2.

[0053] Please refer to Figure 2 The insulating shell 1 is provided with two opposite long side walls, and the two long side walls are provided with a plurality of openings 11 penetrating through the two long side walls. The corresponding mechanism of the terminal group 2 is fixed in the plurality of openings 11 to realize the positioning and holding of the terminal group 2 and the insulating shell 1. A circuit board insertion slot 12 is formed between the two long side walls, which is used to connect a circuit board (not shown in the figure) of a line end connector.

[0054] Please refer to Figures 4 to 9The terminal set 2 comprises two terminal modules 21, 22, and the conductive glue 3 is arranged between the two terminal modules 21, 22. In the embodiment, the electric connector 100 is a PCIe board end connector, and the two terminal modules 21, 22 are substantially the same in structure and are arranged in mirror image, thus only the terminal module 21 is taken as an example for description hereinafter. The terminal module 21 is provided with a plurality of terminals 23 and an insulating body 24, and the plurality of terminals 23 are fixedly arranged in the insulating body 24.

[0055] Each of the terminals 23 is provided with a fixed portion 231, a bent portion 232, a connecting portion 233, a contact portion 234, a welding portion 235 and an inclined portion 236. The fixed portion 231 is fixedly arranged in the insulating body 24, and the top end of the fixed portion 231 is inwardly bent to form the bent portion 232. The bent portion 232 extends out of the top end of the insulating body 24. The top end of the bent portion 232 extends inwardly and obliquely to form the connecting portion 233, and the top end of the bent portion 232 extends obliquely toward the circuit board insertion slot 12 to form the connecting portion 233. The top end of the connecting portion 233 is inwardly bent to form the contact portion 234, and the top end of the connecting portion 233 is bent toward the circuit board insertion slot 12 to form the contact portion 234, which extends into the circuit board insertion slot 12 to abut against the circuit board (not shown in the figure) of the line end connector. The bottom end of the fixed portion 32 extends downwardly to form the welding portion 235. The welding portions 235 of the two terminal modules 21, 22 are arranged on opposite surfaces of the support body 4. The inner surface of the welding portion 235 is outwardly and obliquely recessed to form the inclined portion 236. The welding portion 235 is thinned by the inclined portion 236, thereby improving the high frequency characteristic of the electric connector 100.

[0056] Several terminals 23 are arranged side by side by several differential terminal groups, each differential terminal group comprising two ground terminals 25 and two signal terminals 26, the two signal terminals 26 being arranged between the two ground terminals 25. The fixing portion 231 of each ground terminal 25 comprises a top portion 250, an outer bending portion 251 and a body portion 252. The body portion 252 is fixedly arranged in the insulating body 24, and the bottom end of the body portion 252 extends downward to form the soldering portion 235. In this embodiment, the outer side edge of the bottom end of the body portion 252 protrudes outward and extends downward to form an outward expansion portion 253, which is connected between the body portion 252 and the soldering portion 235, and the width of the soldering portion 235 is greater than the width of the body portion 252. The top end of the body portion 252 bends outward and extends upward to form the outer bending portion 251, which is fixedly arranged in the insulating body 24, and the width of the outer bending portion 251 is greater than the width of the body portion 252. In this embodiment, the outer bending portion 251 is in the shape of a trapezoid with a wide top and a narrow bottom. The top end of the outer bending portion 251 extends upward to form the top portion 250, which extends out of the top end of the insulating body 24, and the width of the top portion 250 is greater than the width of the outer bending portion 251. The width of the top portion 250 is greater than the width of the soldering portion 235. The width of the top portion 250 is equal to the width of the connecting portion 233.

[0057] In this embodiment, the top portion 250 extends out of the top end of the insulating body 24, and the outer bending portion 251 and the body portion 252 are arranged in the insulating body 24. The outer bending portion 251 is arranged on the outer side of the corresponding mechanism of the conductive adhesive 3 and electrically connected to the corresponding mechanism of the conductive adhesive 3, so as to improve the high-frequency characteristics of the utility model electric connector 100. The outward expansion portion 253 is arranged on the outer side of the corresponding mechanism of the conductive adhesive 3 and electrically connected to the corresponding mechanism of the conductive adhesive 3, so as to improve the high-frequency characteristics of the utility model electric connector 100. The bottom end of the outward expansion portion 253 extends downward to form the soldering portion 235. In this embodiment, the width of the top portion 250 is greater than the width of the body portion 252.

[0058] The fixed portion 231 of each of the signal terminals 26 is provided with a widened portion 261, a main body portion 262, a first reduced portion 263, and a second reduced portion 264. The outer side edge of the top end of the main body portion 262 of the fixed portion 231 of the signal terminal 26 is outwardly protruded and upwardly extended to form the widened portion 261. The widened portion 261 is aligned with the outer bent portion 251 in the left-right direction of the insulating body 24. The inner side edge of the bottom end of the main body portion 262 of the fixed portion 231 of the signal terminal 26 is inwardly recessed and downwardly extended to form the first reduced portion 263, which is used to improve the high frequency characteristic of the utility model electrical connector 100. The inner side edge of the bottom end of the first reduced portion 263 is inwardly recessed and downwardly extended to form the second reduced portion 264, which is used to improve the high frequency characteristic of the utility model electrical connector 100. The bottom end of the second reduced portion 264 is downwardly extended to form the soldering portion 235. The first reduced portion 263 and the second reduced portion 264 are located above the outer widened portion 253 of the ground terminals 25.

[0059] The outer side of the middle of the fixed portion 231 of the signal terminal 26 is outwardly extended to form a protrusion 265. The protrusion 265 is fixed in the insulating body 24, and the protrusion 265 is used to prevent the signal terminal 26 from being separated from the insulating body 24. The protrusion 265 is arranged at the outer side edge of the first reduced portion 263. The width of the widened portion 261 is greater than the width of the main body portion 262, the width of the main body portion 262 is greater than the width of the first reduced portion 263, the width of the first reduced portion 263 is greater than the width of the second reduced portion 264, and the width of the second reduced portion 264 is equal to the width of the soldering portion 235.

[0060] The insulating body 24 is provided with a plurality of assembly holes 241, a plurality of through holes 242, a plurality of inner recesses 243, a plurality of outer recesses 244 and a plurality of protruding buckles 245. The top end of the inner surface of the insulating body 24 is outwardly recessed to form a plurality of assembly holes 241. A plurality of assembly holes 241 correspond to a plurality of outer bending parts 251 of a plurality of ground terminals 25. A plurality of outer bending parts 251 of a plurality of ground terminals 25 are arranged in a plurality of assembly holes 241. The corresponding mechanism of the conductive adhesive 3 is fixed in a plurality of assembly holes 241, and the corresponding mechanism of the conductive adhesive 3 is electrically connected to a plurality of outer bending parts 251 of a plurality of ground terminals 25 to realize the positioning and holding of the conductive adhesive 3 and the terminal group 2, and improve the high frequency characteristics of the utility model electric connector 100. The top end of the outer surface of the insulating body 24 is inwardly recessed to form a plurality of through holes 242. A plurality of through holes 242 correspond to a plurality of assembly holes 241. A plurality of through holes 242 correspond to a plurality of outer bending parts 251 of a plurality of ground terminals 25, and a plurality of outer bending parts 251 of a plurality of ground terminals 25 are arranged in a plurality of through holes 242. In the manufacturing process, the mold can support a plurality of outer bending parts 251 of the ground terminal 25 through the through hole 242. In this embodiment, the hole diameter of the assembly hole 241 is larger than the hole diameter of the through hole 242. In specific implementation, it is not limited to this.

[0061] The inner surface of the insulating body 24 is outwardly recessed to form a plurality of inner recesses 243. The inner recess 243 is formed between two assembly holes 241. A plurality of fixing parts 231 of a plurality of signal terminals 26 are arranged in the inner recess 243. The inner recess 243 is used to adjust the high frequency characteristics of the utility model electric connector 100. The outer surface of the insulating body 24 is inwardly recessed to form a plurality of outer recesses 244. The outer recess 244 is formed between two through holes 242. A plurality of outer recesses 244 correspond to a plurality of inner recesses 243. A plurality of fixing parts 231 of a plurality of signal terminals 26 are arranged in the outer recess 244. The outer recess 244 is used to adjust the high frequency characteristics of the utility model electric connector 100. In this embodiment, the length of the outer recess 244 is greater than the length of the inner recess 243. In specific implementation, it is not limited to this, and can be adjusted according to the demand of high frequency characteristics.

[0062] The bottom end of the outer surface of the insulating body 24 extends outward to form a plurality of the protruding buckles 245. The protruding buckles 245 are formed between two of the outer recesses 244, and a plurality of the protruding buckles 245 are formed below a plurality of the through holes 242. A plurality of the protruding buckles 245 are fixed in a plurality of the openings 11 of the insulating shell 1 to achieve positioning and holding of the terminal set 2 and the insulating shell 1. In this embodiment, the terminal module 22 has substantially the same structure as the terminal module 21, and thus is not described herein.

[0063] Please refer to Figure 5 , Figure 7 and Figure 10 , the conductive glue 3 is provided with a base 31, a plurality of columnar portions 32, a plurality of upper protruding portions 33, a plurality of lower protruding portions 34, and at least one positioning hole 35. In this embodiment, the conductive glue 3 is conductive plastic, and the conductive glue 3 is provided with two positioning holes 35. The top surface of the opposite sides of the base 31 extends upward to form a plurality of the columnar portions 32. In this embodiment, the columnar portions 32 are in a stepped shape with a narrow upper portion and a wide lower portion. The two insulating bodies 24 of the terminal set 2 are arranged on the opposite outer surfaces of the base 31 and the outer surfaces of a plurality of the columnar portions 32.

[0064] In the inner and outer directions, each of the columnar portions 32 corresponds to each of the terminals 23. The top end of the outer surface of a plurality of the columnar portions 32 corresponding to a plurality of the ground terminals 35 extends outward to form a plurality of the upper protruding portions 33. A plurality of the outer bent portions 251 of a plurality of the ground terminals 25 are electrically connected to a plurality of the upper protruding portions 33 to improve the high-frequency characteristics of the utility model electrical connector 100. A plurality of the upper protruding portions 33 are fixed in a plurality of the assembly holes 241 of the two insulating bodies 24 of the terminal set 2 to achieve positioning and holding of the conductive glue 3 and the terminal set 2.

[0065] The bottom end of the opposite outer surfaces of the base 31 extends outward to form a plurality of the lower protruding portions 34. The two insulating bodies 24 of the terminal set 2 are arranged above a plurality of the lower protruding portions 34. A plurality of the outer expanded portions 253 of a plurality of the ground terminals 25 are electrically connected to a plurality of the lower protruding portions 34 to improve the high-frequency characteristics of the utility model electrical connector 100. A plurality of the inclined portions 236 of a plurality of the terminals 23 extend beyond the bottom end of a plurality of the lower protruding portions 34.

[0066] The bottom surface of the conductive glue 3 is upwardly recessed to form two positioning holes 35. The corresponding mechanism of the support 4 is fixed in the two positioning holes 35 to achieve positioning and holding of the conductive glue 3 and the support 4.

[0067] Please refer to Figure 5 and Figure 7The support 4 is provided with a plate body 41, two chamfers 42, a plurality of protrusions 43 and at least one positioning post 44. In the embodiment, the support 4 is provided with two positioning posts 44. The plurality of soldering portions 235 of the plurality of terminals 23 of the terminal set 2 are arranged on opposite outer surfaces of the plate body 41. The top ends of the opposite outer surfaces of the plate body 41 extend inwardly and obliquely to form the two chamfers 42. The space 101 is formed between the two chamfers 42 and the plurality of oblique portions 236 of the plurality of terminals 23 of the terminal set 2. The space 101 avoids the support 4 from colliding with the terminal set 2 and causing damage.

[0068] The bottom ends of the opposite outer surfaces of the plate body 41 extend outwardly to form the plurality of protrusions 43. The gap 102 is formed between the plurality of protrusions 43 and the bottom ends of the plurality of soldering portions 235 of the plurality of terminals 23 of the terminal set 2. The gap 102 avoids the support 4 from colliding with the terminal set 2 and causing damage. The top surface of the plate body 41 extends upwardly to form the two positioning posts 44. The two positioning posts 44 are fixed in the two positioning holes 35 of the conductive adhesive 3 to achieve the positioning and holding of the support 4 and the conductive adhesive 3.

[0069] The top surface of the plate body 41 abuts against the bottom surface of the base 31 of the conductive adhesive 3, and the two insulating bodies 24 of the two terminal modules 21, 22 are respectively attached to the opposite outer side surfaces of the base 31 and the outer side surfaces of the plurality of columnar portions 32 of the conductive adhesive 3. The bottom surfaces of the two insulating bodies 24 of the two terminal modules 21, 22 and the top surface of the support 4 form the mounting space 103, and the plurality of lower protrusions 34 of the conductive adhesive 3 are arranged in the mounting space 103. The bottom surfaces of the plurality of lower protrusions 34 of the conductive adhesive 3 abut against the top surface of the support 4, and the top surfaces of the plurality of lower protrusions 34 of the conductive adhesive 3 correspond to the bottom surfaces of the two insulating bodies 24 of the two terminal modules 21, 22.

[0070] As described above, the electric connector 100 is designed to improve the high frequency characteristic of the electric connector 100 by the structure of the differential terminal set. The bottom end of the bending part 232 of the grounding terminal 25 extends downward to form the top part 250, the top part 250 extends out of the top end of the insulating body 24, the rear end of the top part 250 is connected to the outer bending part 251, the outer bending part 251 is arranged in the insulating body 24, the rear end of the outer bending part 251 is connected to the body part 252, the body part 252 is arranged in the insulating body 24, the rear end of the body part 252 is connected to the outer expansion part 253, the outer expansion part 253 extends out of the bottom end of the insulating body 24. The rear end of the outer expansion part 253 extends backward to form the welding part 235. In addition, the electric connector 100 is designed to improve the high frequency characteristic of the electric connector 100 by the structure of the conductive glue 3. The conductive glue 3 is provided with a plurality of upper convex parts 33 and a plurality of lower convex parts 34. The outer bending parts 251 of the grounding terminals 25 are electrically connected to the upper convex parts 33 to improve the high frequency characteristic of the electric connector 100. The outer expansion parts 253 of the grounding terminals 25 are electrically connected to the lower convex parts 34 to improve the high frequency characteristic of the electric connector 100.

Claims

1. An electrical connector, characterized by, The utility model provides a terminal group, the terminal group comprises an insulating shell, a terminal group arranged in the insulating shell, the terminal group is equipped with a plurality of signal terminals, a plurality of ground terminals and an insulating body, a plurality of signal terminals, a plurality of ground terminals are fixed in the insulating body, each ground terminal is equipped with a contact part, a top, an outer bending part, a body part, an outer expansion part and a welding part, the contact part and the top extend the top end of the insulating body, the outer bending part and the body part are arranged in the insulating body, the outer expansion part and the welding part extend the bottom end of the insulating body, the top end of the inner surface of the insulating body is outwardly recessed to form a plurality of assembly holes, and a conductive glue body is arranged in the terminal group, the top and bottom ends of the outer surface of the conductive glue body are respectively equipped with a plurality of upper convex parts and a plurality of lower convex parts, a plurality of upper convex parts are fixed in a plurality of assembly holes, a plurality of lower convex parts are arranged below the insulating body, a plurality of outer bending parts are electrically connected with a plurality of upper convex parts, and a plurality of outer expansion parts are electrically connected with a plurality of lower convex parts. A plurality of ground terminals and a plurality of signal terminals are each equipped with a fixed part, the fixed part of each ground terminal comprises the top, the outer bending part, the body part and the outer expansion part, the top end of the body part is outwardly bent and extends upward to form the outer bending part, the top end of the outer bending part extends upward to form the top, and the outer side edge of the bottom end of the body part protrudes outward and extends downward to form the outer expansion part.

2. The electrical connector of claim 1, wherein: The bottom end of the outer expansion part extends downward to form the welding part, the outer expansion part is connected between the body part and the welding part, the inner surface of the welding part is outwardly recessed to form an inclined part, and the inclined part is arranged below a plurality of lower convex parts.

3. The electrical connector of claim 2, wherein: The width of the top is greater than the width of the outer bending part, the width of the top is greater than the width of the welding part, the width of the outer bending part is greater than the width of the body part, and the width of the welding part is greater than the width of the body part.

4. The electrical connector of claim 3, wherein: The bottom of the conductive glue body is equipped with a support body, the support body is arranged in the middle of the bottom end of the terminal group, the support body is equipped with a plate body, and a plurality of welding parts are arranged on the opposite two outer surfaces of the plate body.

5. The electrical connector of claim 3, wherein: The top end of the opposite two outer surfaces of the plate body extends inwardly and forms two chamfers, and a space is formed between the two chamfers and a plurality of inclined parts.

6. The electrical connector of claim 5, wherein: The fixed part of each signal terminal is equipped with a main body part, the outer side edge of the top end of the main body part protrudes outwardly and extends upward to form a widened part, and the widened part and the outer bending part are aligned in the left-right direction of the insulating body.

7. The electrical connector of claim 6, wherein: The inner side edge of the bottom end of the main body part is recessed inwardly and extends downward to form a first reducing part, the inner side edge of the bottom end of the first reducing part is recessed inwardly and extends downward to form a second reducing part, the rear end of the second reducing part extends downward to form the welding part, and the first reducing part and the second reducing part are located above a plurality of outer expansion parts of a plurality of ground terminals.

8. The electrical connector of claim 7, wherein: ​ 9. The electrical connector of claim 8, wherein: An outer side of a middle of the fixed part of each of the signal terminals extends outward to form a protrusion, the protrusion is fixed to the insulating body, and the protrusion is provided at an outer side edge of the first reduced part.

10. The electrical connector of claim 9, wherein: The width of the widened part is greater than the width of the main part, the width of the main part is greater than the width of the first reduced part, the width of the first reduced part is greater than the width of the second reduced part, and the width of the second reduced part is equal to the width of the soldering part.

Images