Electrical connector

Abstract

An electric connector comprises an insulating body, a first terminal set and a second terminal set combined in the insulating body, a plurality of signal terminals and a plurality of ground terminals arranged side by side and spaced apart in the first terminal set and the second terminal set, a conductive connecting member arranged between the first terminal set and the second terminal set, the conductive connecting member outwardly extends to form a plurality of fixedly spaced connecting blocks, the connecting blocks contact the ground terminals to eliminate the potential difference between the ground terminals and push the resonance point of crosstalk to high frequency, and a metal member is arranged in the conductive connecting member, the metal member shields the fixed parts of the signal terminals and the ground terminals to block the signal interference between the first terminal set and the second terminal set.

Description

Technical Field

[0001] This utility model relates to an electrical connector, and more particularly to an electrical connector capable of improving signal interference. Background Technology

[0002] High-speed connectors are used for high-speed data transmission and are commonly found in large communication equipment, high-end storage devices, ultra-high-performance servers, industrial computers, and other similar devices. During signal transmission, crosstalk interference can easily occur between the terminals, affecting the signal transmission performance of high-speed connectors. Common high-speed connectors on the market incorporate conductive plastic structures between the terminals to mitigate crosstalk. For example, Taiwan Utility Model Patent No. M560138 discloses a connector with a conductive plastic component, comprising an insulating body, a terminal block fixed to the insulating body, several signal terminals fixed to the terminal block, several grounding terminals fixed to the terminal block, and at least one conductive plastic component disposed on the terminal block, with a portion of the conductive plastic component exposed outside the terminal block and abutting against the grounding terminal. In this design, because the area shielded by the conductive plastic component is small, crosstalk interference still occurs between the terminals during signal transmission.

[0003] Given the above drawbacks, it is necessary to provide an electrical connector that can improve crosstalk interference. Summary of the Invention

[0004] The purpose of this invention is to provide a connector, and more particularly to an electrical connector that can improve crosstalk interference.

[0005] To overcome the shortcomings of existing technologies, this utility model discloses an electrical connector comprising an insulating body, a first terminal block installed in the insulating body, a first terminal group installed in the first terminal block, and having a plurality of signal terminals and a plurality of ground terminals arranged side-by-side at intervals, with two adjacent signal terminals disposed between two ground terminals, a second terminal block installed in the insulating body and coupled to the first terminal block, a second terminal group installed in the second terminal block, and having a plurality of signal terminals and a plurality of ground terminals arranged side-by-side at intervals, with two adjacent signal terminals disposed between two ground terminals, and a conductive connector clamped and fixed between the first terminal block and the second terminal block, having a main body and a plurality of connecting blocks disposed on the main body, the connecting blocks extending outward from the main body to electrically connect with the ground terminals, and the signal terminals disposed in the intervals between the connecting blocks and maintaining a distance from the conductive connector. And a metal component, disposed on the symmetrical surface of the first terminal group and the second terminal group and attached to the main body by an injection molding method.

[0006] Furthermore, the inner surface of the first terminal block is recessed inward to form a first groove, and the inner surface of the second terminal block is recessed inward to form a second groove. The first terminal block and the second terminal block are combined, and the first groove and the second groove together define a mating space to accommodate the conductive connector.

[0007] Furthermore, the metal component extends from the top and bottom of the first terminal block and the second terminal block, and the metal component has a plurality of through holes, which are combined with the main body.

[0008] Furthermore, the metal part has at least one limiting hole, and the inner surfaces of the first terminal seat and the second terminal seat protrude inward to form at least one limiting block, which is combined with the limiting hole.

[0009] Furthermore, the side edge of the metal element is recessed inward to form at least one opening.

[0010] Furthermore, each of the signal terminals and each of the ground terminals is provided with a fixing portion covered in the first terminal block and the second terminal block, a mating portion extending from a top end of the fixing portion, and a welding portion extending from the bottom end of the fixing portion, wherein the vertical length of the metal part does not exceed the vertical length of the fixing portion.

[0011] Furthermore, the fixing portion of the signal terminal has a recessed portion on one side adjacent to the fixing portion of the grounding terminal, and the fixing portion of the grounding terminal has a narrow portion with both sides recessed inward corresponding to the position of the recessed portion of the signal terminal, with the recessed portion and the narrow portion facing each other.

[0012] Furthermore, the surface of the connecting block forms at least one protrusion that abuts against the narrow portion of the fixing portion of the grounding terminal.

[0013] This utility model also discloses an electrical connector comprising an insulating body. A first terminal block is enclosed within the insulating body. A second terminal block is enclosed within the insulating body and coupled to the first terminal block. A plurality of signal terminals are disposed on the first terminal block and the second terminal block. A plurality of ground terminals are disposed on the first terminal block and the second terminal block, the signal terminals and the ground terminals being spaced apart and arranged side by side, with two adjacent signal terminals disposed between two ground terminals. At least one limiting block protrudes from the surfaces of the first terminal block and the second terminal block. A conductive connector is disposed between the first terminal block and the second terminal block and has a main body and a plurality of connecting blocks extending outward from the main body. The connecting blocks are disposed on the main body and contact the ground terminals, and the signal terminals are disposed in the interval between two connecting blocks and maintain a distance from the conductive connector. A metal component is incorporated into the main body. The metal component has several through holes and at least one limiting hole. The through holes are incorporated into the main body, and the limiting hole is incorporated into the limiting block. The metal component extends out of the upper and lower surfaces of the first terminal block and the second terminal block.

[0014] Furthermore, each of the signal terminals and each of the ground terminals is provided with a fixing part, a mating part that extends from the top of the fixing part by bending, and a mating part that extends from the bottom of the fixing part by bending. The fixing part is covered in the first terminal block and the second terminal block, and the vertical length of the metal part does not exceed the vertical length of the fixing part.

[0015] In summary, the electrical connector of this utility model includes an insulating body, a first terminal group and a second terminal group integrated into the insulating body, a plurality of signal terminals and a plurality of ground terminals arranged side-by-side at intervals between the first terminal group and the second terminal group, and a conductive connector disposed between the first terminal base and the second terminal base. The conductive connector has a plurality of fixedly spaced connecting blocks extending outward from the main body. The connecting blocks contact the ground terminals to eliminate the potential difference between the ground terminals and push the resonant point of crosstalk to a higher frequency. Furthermore, the conductive connector includes a metal member integrated into the main body and shielding the fixing portions of the signal terminals and the ground terminals to block signal interference between the first terminal group and the second terminal group. Attached Figure Description

[0016] Figure 1 This is a perspective view of the electrical connector of this utility model.

[0017] Figure 2 This is an exploded view of the electrical connector of this utility model.

[0018] Figure 3 This is an exploded view of the terminal assembly of the electrical connector of this utility model.

[0019] Figure 4 This is an exploded view of the conductive connector and metal parts of the electrical connector of this utility model.

[0020] Figure 5 This is a partial top view of the signal terminal and grounding terminal of the electrical connector of this utility model.

[0021] Figure 6 The terminal group of the electrical connector of this utility model is along Figure 1 A cross-sectional view of line II. Detailed Implementation

[0022] To illustrate the technical content, structural features, objectives, and technical effects of this utility model in detail, the following embodiments are provided in conjunction with the accompanying drawings.

[0023] Please see Figure 1 and Figure 2 This utility model discloses an electrical connector 100, which includes a housing 1, an insulating body 2 housed inside the housing 1, and a terminal group 3 installed inside the insulating body 2.

[0024] Please see Figure 3 The terminal group 3 includes a first terminal group 31, a second terminal group 32 connected to the first terminal group 31, a conductive connector 33 disposed between the first terminal group 31 and the second terminal group 32, and a metal piece 34 connected to the conductive connector 33 and disposed on the symmetrical plane of the first terminal group 31 and the second terminal group 32. The first terminal group 31 includes a strip-shaped first terminal base 311 and a plurality of signal terminals 35 and a plurality of ground terminals 36 embedded in the first terminal base 311. The second terminal group 32 includes a strip-shaped second terminal base 321 and a plurality of the signal terminals 35 and the plurality of ground terminals 36 embedded in the second terminal base 321. And as... Figure 5 As shown, the signal terminals 35 and the ground terminals 36 are spaced apart and arranged side by side. Two adjacent signal terminals 35 form a differential terminal pair and are disposed between the two ground terminals 36. The ground terminals 36 are also disposed on both outer sides of the differential terminal pair. The ground terminals 36 are in contact with the conductive connector 33 to achieve a grounding effect. The metal part 34 is used to enhance the anti-signal interference capability between the first terminal group 31 and the second terminal group 32.

[0025] Please see Figure 2 and Figure 3The first terminal block 311 and the second terminal block 321 are enclosed in the insulating body 2, the conductive connector 33 is clamped and fixed between the first terminal block 311 and the second terminal block 321, and the metal part 34 extends out from the upper and lower ends of the first terminal block 311 and the second terminal block 321.

[0026] Please see Figure 3 and Figure 4 The conductive connector 33 is made of conductive plastic and includes a long strip-shaped main body 331 and a plurality of columnar connecting blocks 332 extending outward from the main body 331. The main body 331 is coupled between the first terminal block 311 and the second terminal block 321. The connecting blocks 332 are continuously disposed on the main body 331 at fixed intervals and are configured to align with the grounding terminals 36. The signal terminals 35 are disposed in the interval between two connecting blocks 332 and maintain a distance from the main body 331 to prevent short circuits caused by contact with the conductive connector 33. The distance between the center lines of two adjacent connecting blocks 332 is the same as the distance between the center lines of two adjacent grounding terminals 36, so that all the grounding terminals 36 are interconnected through the conductive connector 33 and have the same potential.

[0027] Please see Figure 3 and Figure 4 The metal part 34 is formed by stamping a metal sheet and then embedded in the conductive connector 33 by injection molding. The metal part 34 is a long, flat plate containing several through holes 341 and at least one limiting hole 342. The through holes 341 are continuously arranged on the metal part 34 at fixed intervals and combine with the connecting block 332, thereby making the connection between the metal part 34 and the conductive connector 33 more stable. The limiting hole 342 is located outside the through holes 341. At least one limiting block 38 protrudes inward from the inner surfaces of both the first terminal seat 311 and the second terminal seat 321. The limiting block 38 combines with the limiting hole 342 to achieve positioning and fixation between the metal part 34, the first terminal group 31, and the second terminal group 32. Furthermore, one side edge of the metal part 34 is recessed inward to form at least one opening 343. During the stamping process, the two sides of the opening 343 can be configured to connect a strip of material (not shown).

[0028] Please see Figure 3 and Figure 6In order to fix the conductive connector 33 in the terminal group 3, the inner surface of the first terminal base 311 is recessed inward to form a first groove 312, and the inner surface of the second terminal base 321 is recessed inward to form a second groove 322. The first terminal base 311 and the second terminal base 321 are combined and the first groove 312 and the second groove 322 jointly define a mating space to accommodate the conductive connector 33.

[0029] Please see Figure 2 , Figure 3 , Figure 5 as well as Figure 6 Each signal terminal 35 and each ground terminal 36 has a fixing portion 370, a mating portion 371, and a soldering portion 372. The fixing portion 370 is enclosed in the first terminal block 311 and the second terminal block 321. The mating portion 371 extends inward from the upper end of the fixing portion 370 and then extends outward, penetrating the interior of the insulating body 2 to electrically connect with a mating connector (not shown). The soldering portion 372 extends outward from the lower end of the fixing portion 370, protruding from the bottom end of the electrical connector 100 and soldered to a circuit board (not shown). In a preferred embodiment of the accompanying drawings, in the front-to-back direction, the vertical length of the metal member 34 is approximately the same as the vertical length of the fixing portion 370 of the signal terminal 35 and the ground terminal 36, so that the metal member 34 can just cover the fixing portion 370 of the signal terminal 35 and the ground terminal 36 on the first terminal group 31 and the fixing portion 370 of the signal terminal 35 and the ground terminal 36 on the second terminal group 32, thereby blocking signal interference between the first terminal group 31 and the second terminal group 32. In a specific implementation, the vertical length of the metal member 34 is greater than the vertical length of the first terminal base 311 and the second terminal base 321, but does not exceed the vertical length of the fixing portion 370 of the signal terminal 35 and the ground terminal 36. The top end of the metal member 34 extends upward and beyond the top surface of the conductive connector 33, the top surface of the first terminal base 311, and the top surface of the second terminal base 321. The bottom end of the metal part 34 extends downward and beyond the bottom surface of the conductive connector 33, as well as the bottom surface of the first terminal block 311 and the bottom surface of the second terminal block 321.

[0030] Please see Figure 3 and Figure 5In this embodiment, the left and right sides of the mating portion 371 gradually narrow inward at their ends, such that the width of the end of the mating portion 371 is approximately one-third the width of the mating portion 371 extending beyond the fixing portion 370. This reduces the cross-sectional area of ​​the signal terminal 35 and the ground terminal 36, thereby reducing the impedance of the terminals and improving the high-frequency performance of the electrical connector 100. Furthermore, a single-sided recessed portion 373 is provided on the side adjacent to the fixing portion 370 of the signal terminal 35 and the fixing portion 370 of the ground terminal 36. Corresponding to the position of the recessed portion 373 of the signal terminal 35, the fixing portion 370 of the ground terminal 36 has a narrow portion 374 formed by inward recesses on both sides, with the recessed portion 373 and the narrow portion 374 facing each other. This reduces the cross-sectional area of ​​the fixing portion 370, thereby improving the impedance matching of the electrical connector 100 and enhancing the operational stability of the electrical connector 100 in high-frequency environments. Furthermore, to prevent gaps from forming between the grounding terminal 36 and the connecting block 332 when bent, at least one protrusion 333 is formed on the upper and lower surfaces of the connecting block 332 to abut against the grounding terminal 36. The degree of protrusion of the protrusion 333 can be easily adjusted during production to ensure reliable contact and connection between the connecting block 332 and the grounding terminal 36. In this embodiment, the protrusion 333 abuts against the narrow portion 374 of the fixing portion 370 of the grounding terminal 36.

[0031] Please see Figure 2 and Figure 3 To enhance the positioning and holding between the insulating body 2 and the terminal group 3, the left and right inner sidewalls of the insulating body 2 extend inward to form a pair of elastically deformable latching arms 21. The terminal group 3 includes a pair of fixing grooves 39 formed by the inward recesses of the left and right sidewalls of the first terminal seat 311 and the second terminal seat 321. The latching arms 21 and the fixing grooves 39 are interlocked and fixed together. Furthermore, to enhance the positioning and holding between the housing 1 and the insulating body 2, the left and right sidewalls of the housing 1 are provided with a pair of first latches 11 and a pair of second latches 12. The second latches 12 are located above the first latches 11. In this embodiment, the first latches 11 are configured as elastic latching structures, and the second latches 12 are configured as protrusion structures that protrude inward from the inner surface of the housing 1. The left and right sidewalls of the insulating body 2 are recessed inward to form a first slot 22 and a second slot 23. The second slot 23 is located above the first slot 22. The first buckle 11 is fastened into the first slot 22, and the second buckle 12 is fastened into the second slot 23.

[0032] In summary, the electrical connector 100 of this invention electrically connects all the grounding terminals 36 in the first terminal group 31 and the second terminal group 32 through the conductive connector 33, thereby eliminating the potential difference between the grounding terminals 36 and pushing the resonant point of crosstalk to a higher frequency. Furthermore, the metal part 34 is provided in the conductive connector 33 to block signal interference between the first terminal group 31 and the second terminal group 32.

Claims

1. An electrical connector, characterized in that, The device comprises: an insulating body; a first terminal block disposed within the insulating body; a first terminal group disposed within the first terminal block, having a plurality of signal terminals and a plurality of ground terminals arranged side-by-side at intervals, with two adjacent signal terminals disposed between two ground terminals; a second terminal block disposed within the insulating body and coupled to the first terminal block; a second terminal group disposed within the second terminal block, having a plurality of signal terminals and a plurality of ground terminals arranged side-by-side at intervals, with two adjacent signal terminals disposed between two ground terminals; a conductive connector clamped and fixed between the first terminal block and the second terminal block, having a main body and a plurality of connecting blocks disposed on the main body, the connecting blocks extending outward from the main body to electrically connect with the ground terminals, the signal terminals disposed in the intervals between the two connecting blocks and maintaining a distance from the conductive connector; and a metal component disposed on the symmetrical plane of the first terminal group and the second terminal group and coupled to the main body by an injection molding method.

2. The electrical connector according to claim 1, characterized in that: The inner surface of the first terminal block is recessed inward to form a first groove, and the inner surface of the second terminal block is recessed inward to form a second groove. The first terminal block and the second terminal block are combined and the first groove and the second groove together define a mating space to accommodate the conductive connector.

3. The electrical connector according to claim 1, characterized in that: The metal part extends from the top and bottom of the first terminal block and the second terminal block, and the metal part has a plurality of through holes, which are combined with the main body.

4. The electrical connector according to claim 1, characterized in that: The metal part has at least one limiting hole, and the inner surfaces of the first terminal block and the second terminal block protrude inward to form at least one limiting block, which is combined with the limiting hole.

5. The electrical connector of claim 1, wherein the side edge of the metal member is recessed inward to form at least one opening.

6. The electrical connector according to claim 1, characterized in that: Each of the signal terminals and each of the ground terminals is provided with a fixing portion covered in the first terminal block and the second terminal block, a mating portion extending from a top end of the fixing portion, and a welding portion extending from the bottom end of the fixing portion, wherein the vertical length of the metal part does not exceed the vertical length of the fixing portion.

7. The electrical connector according to claim 6, characterized in that: The fixing part of the signal terminal and the fixing part of the grounding terminal are provided with a single-sided recessed portion on the side adjacent to the fixing part of the grounding terminal. The fixing part of the grounding terminal is provided with a narrow portion with both sides recessed inward, corresponding to the position of the recessed portion of the signal terminal. The recessed portion and the narrow portion are opposite to each other.

8. The electrical connector according to claim 7, characterized in that: The surface of the connecting block forms at least one protrusion that abuts against the narrow portion of the fixing portion of the grounding terminal.

9. An electrical connector, characterized in that, It comprises: an insulating body; a first terminal block enclosed within the insulating body; a second terminal block enclosed within the insulating body and coupled to the first terminal block; a plurality of signal terminals disposed on the first terminal block and the second terminal block; a plurality of ground terminals disposed on the first terminal block and the second terminal block, the signal terminals and the ground terminals being spaced apart and arranged side by side, with two adjacent signal terminals disposed between two ground terminals; at least one limiting block protruding from the surfaces of the first terminal block and the second terminal block; and a conductive connector disposed on the first terminal block. A main body and a plurality of connecting blocks extending outward from the main body are provided between the terminal block and the second terminal block. The connecting blocks are disposed on the main body and contact the grounding terminal. The signal terminal is disposed in the gap between the two connecting blocks and is kept at a distance from the conductive connector. A metal member is attached to the main body. The metal member has a plurality of through holes and at least one limiting hole. The through holes are attached to the main body and the limiting hole is attached to the limiting block. The metal member extends out of the upper and lower surfaces of the first terminal block and the second terminal block.

10. The electrical connector according to claim 9, characterized in that: Each of the signal terminals and each of the ground terminals is provided with a fixing part, a mating part that extends from the top of the fixing part by bending, and a mating part that extends from the bottom of the fixing part by bending. The fixing part is covered in the first terminal block and the second terminal block. The vertical length of the metal part does not exceed the vertical length of the fixing part.

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