Stacked high-speed signal electric connector terminal structure

Abstract

The utility model relates to a stacked high-speed signal electric connector terminal structure, which comprises an upper row of terminals and a lower row of terminals, the upper row of terminals and the lower row of terminals are in an opposite up-and-down laminated relationship, the upper row of terminals and the lower row of terminals comprise signal terminals and grounding terminals, and the signal terminals and the grounding terminals are arranged in parallel. Each of the signal terminal and the grounding terminal comprises a contact part, a connecting part and a welding part, the contact part and the welding part are connected through the connecting part, the contact part comprises a contact section, the connecting part comprises an expansion section, the contact section is connected to the expansion section, and the expansion sections of the signal terminal and the grounding terminal are arranged in a fan shape. The signal terminal close to the outermost grounding terminal is provided with a protruding part, the protruding part is close to one side of the expansion section, all the signal terminals are provided with narrowing parts, and the narrowing parts are close to one side of the welding part.

Description

Technical Field

[0001] The utility model relates to the field of terminal structures, in particular to a stacked high-speed signal electrical connector terminal structure. Background Art

[0002] With the advancement of science and technology, the technology of stacked electrical connectors is also developing continuously. At present, as electronic equipment and systems become more and more complex, the requirements for the terminal structure of stacked electrical connectors are also getting higher and higher. Due to the terminal structure of stacked electrical connectors, the terminals of electrical connectors are too long. In order to meet the purpose of high-speed signal transmission (10Gbps) of the product, it is necessary to solve the problem of too long, so as to enhance the terminal signal transmission capability. Utility Model Content

[0003] In order to solve the above problems, the utility model provides a stacked high-speed signal electrical connector terminal structure.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical solution: The utility model relates to a stacked high-speed signal electrical connector terminal structure, including an upper row of terminals and a lower row of terminals, the upper row of terminals and the lower row of terminals are in a relative upper and lower stacking relationship, the upper row of terminals and the lower row of terminals include signal terminals and ground terminals, the signal terminals and the ground terminals both include a contact portion, a connecting portion, and a welding portion, the contact portion and the welding portion are connected by a connecting portion, the contact portion includes a contact section, the connecting portion includes an expansion section, the contact section is connected to the expansion section, the expansion sections of the signal terminal and the ground terminal are arranged in a fan shape, the signal terminal close to the outermost ground terminal has a protruding portion, the protruding portion is close to one side of the expansion section, all the signal terminals have a narrowed portion, the narrowed portion is close to one side of the welding portion.

[0005] Preferably, the protruding width of the protruding portion is greater than the width of the connecting portion, and the width of the narrowed portion is smaller than the width of the connecting portion.

[0006] Preferably, the contact section and the expansion section are located in the same plane and the angle between them is an obtuse angle.

[0007] Preferably, the distance between the contact portions of the upper row terminals and the contact portions of the lower row terminals is smaller than the distance between the connecting portions of the upper row terminals and the connecting portions of the lower row terminals.

[0008] Preferably, the upper row of terminals includes a first upper row of signal terminal groups, a second upper row of signal terminal groups and a plurality of upper row of grounding terminals, the second upper row of signal terminal groups are provided with first upper row of signal terminal groups on both sides, an upper row of grounding terminals are provided between the first upper row of signal terminal groups and the second upper row of signal terminal groups, an upper row of grounding terminals are provided on the outer side of the first upper row of signal terminal groups, each first upper row of signal terminal groups includes at least two first upper row of signal terminals arranged side by side, and each second upper row of signal terminal groups includes at least four second upper row of signal terminals arranged side by side; the lower row of terminals includes a first lower row of signal terminal groups, a second lower row of signal terminal groups and a plurality of lower row of grounding terminals, the second lower row of signal terminal groups are provided with first lower row of signal terminal groups on both sides, a lower row of grounding terminals are provided between the first lower row of signal terminal groups and the second lower row of signal terminal groups, a lower row of grounding terminals are provided on the outer side of the first lower row of signal terminal groups, each first lower row of signal terminal groups includes at least two first lower row of signal terminals arranged side by side, and each second lower row of signal terminal groups includes at least four second lower row of signal terminals arranged side by side.

[0009] Preferably, the first upper row signal terminals, the second upper row signal terminals and the upper row grounding terminals all include an upper row contact portion, an upper row connecting portion and an upper row welding portion, and the upper row contact portion and the upper row welding portion are connected via the upper row connecting portion; the first lower row signal terminals, the second lower row signal terminals and the lower row grounding terminals all include a lower row contact portion, a lower row connecting portion and a lower row welding portion, and the lower row contact portion and the lower row welding portion are connected via the lower row connecting portion.

[0010] In order to increase the cross-sectional area of ​​the terminal, preferably, the upper row of contact portions includes an upper row of contact heads and an upper row of contact segments, the upper row of contact segments of the first upper row of signal terminals, the second upper row of signal terminals, and the upper row of grounding terminals are respectively arranged in parallel with each other, the upper row of connection portions of the first upper row of signal terminals, the second upper row of signal terminals, and the upper row of grounding terminals include an upper row of expansion connection segments, the upper row of contact heads are connected to the upper row of expansion connection segments through the upper row of contact segments, wherein the upper row of contact segments and the upper row of expansion connection segments are located in the same plane and the connection angle between the two is an obtuse angle, and the upper row of expansion connection segments The segments are all arranged in a fan shape; the lower row contact portion includes a lower row contact head and a lower row contact segment, the lower row contact segments of the first lower row signal terminal, the second lower row signal terminal and the lower row grounding terminal are respectively arranged in parallel with each other, the lower row connection portion of the first lower row signal terminal, the second lower row signal terminal and the lower row grounding terminal includes a lower row expansion connection segment, the lower row contact head is connected to the lower row expansion connection segment through the lower row contact segment, wherein the lower row contact segment and the lower row expansion connection segment are located in the same plane and the connection angle between the two is an obtuse angle, and the lower row expansion connection segments are all arranged in a fan shape.

[0011] In order to reduce crosstalk interference, preferably, the upper row expansion connection section is arranged to protrude upward relative to the upper row contact section, and the lower row expansion connection section is arranged to protrude downward relative to the lower row contact section. The upward protrusion and the downward protrusion increase the adjacent distance between the upper row terminals and the lower row terminals.

[0012] In order to reduce the TX / RX impedance, preferably, the upper row connection parts of the first upper row signal terminals and the second upper row signal terminals also include an upper row bending connection section and an upper row straight-lift connection section, the upper row expansion connection section is connected to the upper row straight-lift connection section through the upper row bending connection section, the upper row bending connection section of the first upper row signal terminal has an upper row protrusion, the protrusion width of the upper row protrusion is greater than the width of the upper row bending connection section, and the upper row protrusion is close to one side of the upper row expansion connection section; the lower row connection parts of the first lower row signal terminals and the second lower row signal terminals also include a lower row bending connection section and a lower row straight-lift connection section, the lower row expansion connection section is connected to the lower row straight-lift connection section through the lower row bending connection section, the lower row bending connection section of the first lower row signal terminal has a lower row protrusion, the protrusion width of the lower row protrusion is greater than the width of the lower row bending connection section, and the lower row protrusion is close to one side of the lower row expansion connection section.

[0013] In order to reduce capacitance and crosstalk interference at the same time, preferably, the upper row straight-lift connecting sections of the first upper row signal terminals and the second upper row signal terminals have an upper row narrowing portion, the width of the upper row narrowing portion is smaller than the width of the upper row straight-lift connecting sections, and the upper row narrowing portion is close to one side of the upper row welding portion; the lower row straight-lift connecting sections of the first lower row signal terminals and the second lower row signal terminals have a lower row narrowing portion, the width of the lower row narrowing portion is smaller than the width of the lower row straight-lift connecting sections, and the lower row narrowing portion is close to one side of the lower row welding portion.

[0014] The beneficial effects of the utility model are as follows: the utility model relates to a stacked high-speed signal electrical connector terminal structure, in which the upper row expansion connection sections of the first upper row signal terminals, the second upper row signal terminals, and the upper row grounding terminals in each row of the upper row contact portions are arranged in a fan shape, and the lower row expansion connection sections of the first lower row signal terminals, the second lower row signal terminals, and the lower row grounding terminals in each row of the lower row contact portions are arranged in a fan shape, thereby increasing the cross-sectional areas of the upper row terminals and the lower row terminals;

[0015] At the same time, the upper row expansion connection section is arranged to protrude upward relative to the upper row contact section, and the lower row expansion connection section is arranged to protrude downward relative to the lower row contact section, thereby increasing the distance between the upper row terminals and the lower row terminals and reducing crosstalk interference;

[0016] In the utility model, an upper row of protrusions is provided on the upper row of bent connecting sections of the first upper row of signal terminals, and a lower row of protrusions is provided on the lower row of bent connecting sections of the first lower row of signal terminals, thereby increasing the cross-sectional areas of the first upper row of signal terminals and the first lower row of signal terminals, so as to achieve the purpose of reducing TX / RX impedance.

[0017] In addition, in the utility model, an upper row of narrowing portions are provided at the upper row of straight-rise connecting sections between the first upper row of signal terminals and the second upper row of signal terminals, and a lower row of narrowing portions are provided at the lower row of straight-rise connecting sections between the first lower row of signal terminals and the second lower row of signal terminals, thereby increasing the spacing between adjacent signal terminals, thereby reducing capacitance and reducing crosstalk interference. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is an overall structural diagram of the stacked high-speed signal electrical connector terminal of the utility model.

[0019] Figure 2 It is a side view of the stacked high-speed signal electrical connector terminal of the utility model.

[0020] Figure 3 It is a structural schematic diagram of the upper row of terminals of the utility model.

[0021] Figure 4 It is a structural schematic diagram of the lower row of terminals of the utility model.

[0022] Reference numerals

[0023] 1. Upper row of terminals; 11. First upper row of signal terminal group; 12. Second upper row of signal terminal group; 13. Upper row of grounding terminals; 14. Upper row of contact parts; 141. Upper row of contact heads; 142. Upper row of contact sections; 15. Upper row of connecting parts; 151. Upper row of expanded connecting sections; 1511. Upward protrusions; 152. Upper row of bent connecting sections; 1521. Upper row of protruding parts; 153. Upper row of straight-lift connecting sections; 1531. Upper row of narrowed parts; 16. Upper row of welding parts; 17. Upper row of grounding legs; 18. Upper row of overlapping parts; 2. Lower row terminals; 21. First lower row signal terminal group; 22. Second lower row signal terminal group; 23. Lower row grounding terminals; 24. Lower row contact portions; 241. Lower row contact heads; 242. Lower row contact sections; 25. Lower row connecting portions; 251. Lower row expansion connecting sections; 2511. Downward protrusions; 252. Lower row bending connecting sections; 2521. Lower row protruding portions; 253. Lower row straight-rise connecting sections; 2531. Lower row narrowing portions; 26. Lower row welding portions; 27. Lower row grounding legs; 28. Lower row overlapping portions. DETAILED DESCRIPTION

[0024] See also Figure 1-4As shown, the utility model relates to a stacked high-speed signal electrical connector terminal structure, comprising an upper row of terminals 1 and a lower row of terminals 2, wherein the upper row of terminals 1 and the lower row of terminals 2 are in a relative upper and lower stacking relationship.

[0025] In the present invention, the upper row of terminals 1 includes a first upper row of signal terminal groups 11, a second upper row of signal terminal groups 12 and a plurality of upper row of grounding terminals 13, the second upper row of signal terminal groups 12 have first upper row of signal terminal groups 11 on both sides, an upper row of grounding terminals 13 are provided between the first upper row of signal terminal groups 11 and the second upper row of signal terminal groups 12, an upper row of grounding terminals 13 are provided on the outer side of the first upper row of signal terminal groups 11, each first upper row of signal terminal groups 11 includes at least two first upper row of signal terminals arranged side by side, and each second upper row of signal terminal groups 12 includes at least four second upper row of signal terminals arranged side by side.

[0026] The first upper row signal terminals, the second upper row signal terminals and the upper row ground terminals 13 all include an upper row contact portion 14 , an upper row connecting portion 15 and an upper row welding portion 16 ; the upper row contact portion 14 and the upper row welding portion 16 are connected via the upper row connecting portion 15 .

[0027] The upper row contact portion 14 includes an upper row contact head 141 and an upper row contact segment 142. The upper row contact segments 142 of the first upper row signal terminal, the second upper row signal terminal, and the upper row grounding terminal 13 are respectively arranged in parallel with each other. The upper row connection portion 15 of the first upper row signal terminal, the second upper row signal terminal, and the upper row grounding terminal 13 includes an upper row expansion connection segment 151, and the upper row expansion connection segment 151 is arranged in a fan shape. The upper row contact head 141 is connected to the upper row expansion connection segment 151 through the upper row contact segment 142. Among them, the upper row contact segment 142 and the upper row expansion connection segment 151 are located in the same plane and the connection angle between the two is an obtuse angle, that is, a fan-shaped structure that widens the terminal width outward is designed between the upper row contact segment 142 and the upper row expansion connection segment 151 to increase the cross-sectional area of ​​the upper row terminal 1.

[0028] In addition, the upper row contact segments 142 of the upper row ground terminals 13 are longer than the upper row contact segments 142 of the first upper row signal terminal group 11 and the upper row contact segments 142 of the second upper row signal terminal group 12 .

[0029] Preferably, the upper row expansion connection section 151 is provided with an upward protrusion 1511 relative to the upper row contact section 142, thereby increasing the distance between the upper row terminals 1 and the lower row terminals 2 and reducing crosstalk interference.

[0030] The upper row grounding terminal 13 is provided with an outwardly protruding upper row grounding leg 17, which is used for external grounding connection. The upper row grounding leg 17 is provided with an upper row lap portion 18 protruding downward. The upper row lap portion 18 is connected to the external middle partition (not shown in the figure) to form a conductive connection.

[0031] The upper row connection portion 15 of the first upper row signal terminal, the second upper row signal terminal, and the upper row grounding terminal 13 further includes an upper row bent connection section 152 and an upper row straight-rise connection section 153, the upper row expansion connection section 151 is connected to the upper row straight-rise connection section 153 through the upper row bent connection section 152, the upper row bent connection section 152 of the first upper row signal terminal has an upper row protrusion 1521, the protrusion width of the upper row protrusion 1521 is greater than the width of the upper row bent connection section 152, and the upper row protrusion 1521 is close to one side of the upper row expansion connection section 151. That is, the high-speed signal terminals of the first upper row signal terminal group 11 and the second upper row signal terminal group 12 are designed to bulge outward to increase the cross-sectional area, so as to achieve the purpose of reducing TX / RX impedance.

[0032] The upper row straight-rise connecting sections 153 of the first upper row signal terminals and the second upper row signal terminals have an upper row narrowing portion 1531, the width of which is smaller than the width of the upper row straight-rise connecting section 153, and the upper row narrowing portion 1531 is close to one side of the upper row welding portion 16. The upper row narrowing portion 1531 increases the spacing between adjacent signal terminals, reduces capacitance and reduces crosstalk interference.

[0033] In the present invention, the lower row of terminals 2 includes a first lower row signal terminal group 21, a second lower row signal terminal group 22 and a plurality of lower row grounding terminals 23. The second lower row signal terminal group 22 has first lower row signal terminal groups 21 on both sides, a lower row grounding terminal 23 is provided between the first lower row signal terminal group 21 and the second lower row signal terminal group 22, and a lower row grounding terminal 23 is provided on the outer side of the first lower row signal terminal group 21. Each first lower row signal terminal group 21 includes at least two first lower row signal terminals arranged side by side, and each second lower row signal terminal group 22 includes at least four second lower row signal terminals arranged side by side.

[0034] The first lower row signal terminal, the second lower row signal terminal and the lower row ground terminal 23 all include a lower row contact portion 24 , a lower row connecting portion 25 and a lower row welding portion 26 ; the lower row contact portion 24 and the lower row welding portion 26 are connected via the lower row connecting portion 25 .

[0035] The lower row contact portion 24 includes a lower row contact head 241 and a lower row contact segment 242. The lower row contact segments 242 of the first lower row signal terminal, the second lower row signal terminal, and the lower row grounding terminal 23 are respectively arranged in parallel with each other. The lower row connection portion 25 of the first lower row signal terminal, the second lower row signal terminal, and the lower row grounding terminal 23 includes a lower row expansion connection segment 251, and the lower row expansion connection segments 251 are arranged in a fan shape. The lower row contact head 241 is connected to the lower row expansion connection segment 251 through the lower row contact segment 242. The lower row contact segment 242 and the lower row expansion connection segment 251 are located in the same plane and the connection angle between the two is an obtuse angle, that is, a fan-shaped structure that widens the terminal width outward is designed between the lower row contact segment 242 and the lower row expansion connection segment 251 to increase the cross-sectional area of ​​the lower row terminal 2.

[0036] In addition, the lower row contact sections 242 of the lower row ground terminals 23 are longer than the lower row contact sections 242 of the first lower row signal terminal group 21 and the lower row contact sections 242 of the second lower row signal terminal group 22 .

[0037] Preferably, the lower row expansion connection section 251 is provided with a downward protrusion 2511 relative to the lower row contact section 242, thereby increasing the spacing between the lower row terminals 2 and the lower row terminals 2 and reducing crosstalk interference.

[0038] The lower row grounding terminal 23 is provided with an outwardly protruding lower row grounding leg 27, which is used for external grounding connection. The lower row grounding leg 27 is provided with an upwardly protruding lower row lap portion 28. The lower row lap portion 28 is conductively connected to an external middle partition (not shown in the figure).

[0039] The lower row connection parts 25 of the first lower row signal terminals, the second lower row signal terminals and the lower row grounding terminals 23 further include a lower row bent connection section 252 and a lower row straight-rise connection section 253. The lower row expansion connection section 251 is connected to the lower row straight-rise connection section 253 through the lower row bent connection section 252. The lower row bent connection section 252 of the first lower row signal terminal has a lower row protrusion 2521. The protrusion width of the lower row protrusion 2521 is greater than the width of the lower row bent connection section 252. The lower row protrusion 2521 is close to one side of the lower row expansion connection section 251. That is, the high-speed signal terminals of the first lower row signal terminal group 21 and the second lower row signal terminal group 22 are designed to bulge outward to increase the cross-sectional area, so as to achieve the purpose of reducing the TX / RX impedance.

[0040] The lower row straight-rise connecting sections 253 of the first lower row signal terminals and the second lower row signal terminals have a lower row narrowing portion 2531, the width of which is smaller than the width of the lower row straight-rise connecting section 253, and the lower row narrowing portion 2531 is close to one side of the lower row welding portion 26. The lower row narrowing portion 2531 increases the spacing between adjacent signal terminals, reduces capacitance and reduces crosstalk interference.

[0041] In short, the beneficial effects of the utility model are:

[0042] 1. The upper / lower row expansion connection section is designed to expand the fan-shaped structure of the terminal width outward to increase the terminal cross-sectional area. The upper / lower row bending connection section of the two outermost sets of high-speed signal terminals is designed to bulge outward (upper / lower row protrusions to increase the cross-sectional area to achieve the purpose of reducing TX / RX impedance.

[0043] 2. The width of the direct connection section of the two groups of high-speed signal terminals in the upper / lower row of terminals is reduced, the adjacent spacing is increased, the capacitance is reduced and the crosstalk interference is reduced.

[0044] 3. The contact section of the upper / lower row terminals is moved back (upward protrusion 1511 and downward protrusion 2511), increasing the spacing between the upper / lower row terminals and reducing crosstalk interference.

[0045] The above implementation modes are merely descriptions of the preferred implementation modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary engineering and technical personnel in the field shall fall within the protection scope determined by the claims of the present invention.

Claims

1. A stacked high-speed signal electrical connector terminal structure, comprising an upper row of terminals and a lower row of terminals, wherein the upper row of terminals and the lower row of terminals are in a relative upper and lower stacking relationship, characterized in that: The upper row of terminals and the lower row of terminals include signal terminals and ground terminals, and the signal terminals and the ground terminals both include a contact portion, a connecting portion, and a welding portion, and the contact portion and the welding portion are connected via a connecting portion, and the contact portion includes a contact segment, and the connecting portion includes an expansion segment, and the contact segment is connected to the expansion segment, and the expansion segments of the signal terminals and the ground terminals are arranged in a fan shape, and the signal terminal close to the outermost ground terminal has a protruding portion, and the protruding portion is close to one side of the expansion segment, and all the signal terminals have a narrowed portion, and the narrowed portion is close to one side of the welding portion.

2. A stacked high-speed signal electrical connector terminal structure according to claim 1, characterized in that: The protruding width of the protruding portion is greater than the width of the connecting portion, and the width of the narrowed portion is less than the width of the connecting portion.

3. The stacked high-speed signal electrical connector terminal structure according to claim 1, characterized in that: The contact section and the expansion section are located in the same plane and the angle between them is an obtuse angle.

4. The stacked high-speed signal electrical connector terminal structure according to claim 1, characterized in that: The distance between the contact portion of the upper row terminal and the contact portion of the lower row terminal is smaller than the distance between the connecting portion of the upper row terminal and the connecting portion of the lower row terminal.

5. The stacked high-speed signal electrical connector terminal structure according to claim 1, characterized in that: The upper row of terminals includes a first upper row of signal terminal groups, a second upper row of signal terminal groups and a plurality of upper row of grounding terminals, the second upper row of signal terminal groups are provided with first upper row of signal terminal groups on both sides, an upper row of grounding terminals are provided between the first upper row of signal terminal groups and the second upper row of signal terminal groups, an upper row of grounding terminals are provided on the outer side of the first upper row of signal terminal groups, each first upper row of signal terminal groups includes at least two first upper row of signal terminals arranged side by side, and each second upper row of signal terminal groups includes at least four second upper row of signal terminals arranged side by side; The lower row of terminals includes a first lower row signal terminal group, a second lower row signal terminal group and a plurality of lower row grounding terminals, the second lower row signal terminal group is provided with a first lower row signal terminal group on both sides, a lower row grounding terminal is provided between the first lower row signal terminal group and the second lower row signal terminal group, and a lower row grounding terminal is provided on the outer side of the first lower row signal terminal group, each first lower row signal terminal group includes at least two first lower row signal terminals arranged side by side, and each second lower row signal terminal group includes at least four second lower row signal terminals arranged side by side.

6. The stacked high-speed signal electrical connector terminal structure according to claim 5, characterized in that: The first upper row signal terminals, the second upper row signal terminals, and the upper row ground terminals all include an upper row contact portion, an upper row connecting portion, and an upper row welding portion, and the upper row contact portion and the upper row welding portion are connected via the upper row connecting portion; The first lower row signal terminal, the second lower row signal terminal and the lower row ground terminal all include a lower row contact portion, a lower row connecting portion and a lower row welding portion, and the lower row contact portion and the lower row welding portion are connected via the lower row connecting portion.

7. The stacked high-speed signal electrical connector terminal structure according to claim 6, characterized in that: The upper row of contact parts includes an upper row of contact heads and an upper row of contact segments, the upper row of contact segments of the first upper row of signal terminals, the second upper row of signal terminals, and the upper row of grounding terminals are respectively arranged in parallel with each other, the upper row of connection parts of the first upper row of signal terminals, the second upper row of signal terminals, and the upper row of grounding terminals include an upper row of expansion connection segments, the upper row of contact heads are connected to the upper row of expansion connection segments through the upper row of contact segments, wherein the upper row of contact segments and the upper row of expansion connection segments are located in the same plane and the connection angle between the two is an obtuse angle, and the upper row of expansion connection segments are all arranged in a fan shape; The lower row contact portion includes a lower row contact head and a lower row contact segment, the lower row contact segments of the first lower row signal terminal, the second lower row signal terminal and the lower row grounding terminal are respectively arranged in parallel with each other, the lower row connection portion of the first lower row signal terminal, the second lower row signal terminal and the lower row grounding terminal includes a lower row expansion connection segment, the lower row contact head is connected to the lower row expansion connection segment through the lower row contact segment, wherein the lower row contact segment and the lower row expansion connection segment are located in the same plane and the connection angle between the two is an obtuse angle, and the lower row expansion connection segments are all arranged in a fan shape.

8. The stacked high-speed signal electrical connector terminal structure according to claim 7, characterized in that: The upper row expansion connection section is arranged to protrude upward relative to the upper row contact section, and the lower row expansion connection section is arranged to protrude downward relative to the lower row contact section. The upward protrusion and the downward protrusion increase the adjacent distance between the upper row terminals and the lower row terminals.

9. The stacked high-speed signal electrical connector terminal structure according to claim 7, characterized in that: The upper row connection parts of the first upper row signal terminals and the second upper row signal terminals further include an upper row bent connection section and an upper row straight-lift connection section, the upper row expansion connection section is connected to the upper row straight-lift connection section through the upper row bent connection section, the upper row bent connection section of the first upper row signal terminal has an upper row protrusion, the protrusion width of the upper row protrusion is greater than the width of the upper row bent connection section, and the upper row protrusion is close to one side of the upper row expansion connection section; The lower row connection parts of the first lower row signal terminals and the second lower row signal terminals also include a lower row bent connection section and a lower row straight-lift connection section. The lower row expansion connection section is connected to the lower row straight-lift connection section through the lower row bent connection section. The lower row bent connection section of the first lower row signal terminal has a lower row protrusion, and the protrusion width of the lower row protrusion is greater than the width of the lower row bent connection section. The lower row protrusion is close to one side of the lower row expansion connection section.

10. The stacked high-speed signal electrical connector terminal structure according to claim 9, characterized in that: The upper row straight-lift connection sections of the first upper row signal terminals and the second upper row signal terminals have an upper row narrowing portion, the width of the upper row narrowing portion is smaller than the width of the upper row straight-lift connection section, and the upper row narrowing portion is close to one side of the upper row welding portion; The lower row straight-lift connection sections of the first lower row signal terminals and the second lower row signal terminals have a lower row narrowing portion, the width of the lower row narrowing portion is smaller than the width of the lower row straight-lift connection section, and the lower row narrowing portion is close to one side of the lower row welding portion.

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