Cable connector and combination thereof

Abstract

A cable connector comprises at least one conductive assembly, each conductive assembly comprising an insulator, a row of terminals, a plurality of cables and a grounding plate, the insulator is provided with a mating surface, the row of terminals comprises signal terminals and grounding terminals arranged adjacently, the end of each cable is exposed with two signal cores and a shielding part, the grounding plate connects the shielding parts and extends a plurality of grounding fingers; each terminal comprises a first flat plate part 23 and a second flat plate part 24, the signal cores are connected to the second flat plate parts of the corresponding signal terminals one by one, the grounding fingers 41 are connected to the second flat plate parts 24 of the corresponding grounding terminals one by one, and the first flat plate part is exposed on the mating surface of the insulator in a flat manner. The first flat plate part of the conductive assembly of the cable connector of the present application constitutes a mating interface, which cooperates with the grounding plate to ensure high-frequency signal transmission while being simple and stable in structure.

Description

[Technical Field]

[0001] This invention relates to a cable connector and an assembly thereof, and more particularly to a cable connector in a bypass design. [Background Technology]

[0002] In conventional data processing and transmission systems, chips such as central processing units (CPUs) or ASICs are mounted on the main circuit board and transmit data to secondary or peripheral components via traces on the board. With the increasing speed of transmission and the trend towards decentralization, the use of cables to replace circuit board traces is becoming more prevalent, such as the Co-Packaged Copper (CPC) currently being developed by the OIF (Optical Information Foundation). However, the specific design schemes for connecting chips to different secondary components are not identical. CN102365907A discloses a connection method where chip components are connected to external I / O connectors via a bypass cable assembly. The structure of the bypass cable assembly is also described and shown in detail; however, the cable and terminal structure of the bypass cable assembly is relatively simple and bulky, making it unsuitable for forming a truly high-speed transmission cable assembly.

[0003] Therefore, it is indeed necessary to provide an electrical connector assembly with an improved structure to overcome the above-mentioned defects. [Summary of the Invention]

[0004] The technical problem to be solved by the present invention is to provide a cable connector and its combination that can transmit high-frequency signals.

[0005] To solve the above-mentioned technical problems, the present invention can adopt the following technical solution: a cable connector, comprising at least one conductive component, each conductive component comprising an insulator, a row of terminals, multiple cables, and a ground plane, the insulator having a mating surface, the row of terminals including adjacent signal terminals and ground terminals, each cable having two exposed signal cores and a shielding portion at its end, the ground plane connecting to the shielding portion and extending out multiple grounding fingers; characterized in that: each terminal includes a first flat plate portion and a second flat plate portion, the signal cores being connected one-to-one to the second flat plate portion of the corresponding signal terminal, the grounding fingers being connected one-to-one to the second flat plate portion of the corresponding ground terminal, the first flat plate portion being flatly exposed on the mating surface of the insulator.

[0006] Compared with the prior art, the first plate portion of the conductive component of the cable connector of the present invention forms a mating interface, which cooperates with the ground plane, ensuring high-frequency signal transmission while having a simple and stable structure. [Attached Image Description]

[0007] Figure 1 This is a perspective view of the electrical connector assembly of the present invention.

[0008] Figure 2 for Figure 1 A cross-sectional view along the dashed line AA.

[0009] Figure 3 for Figure 1 An exploded 3D view of the electrical connector assembly before mating, including the cable connector and the board-end connector.

[0010] Figure 4 for Figure 3 A three-dimensional view of the cable connector from another angle.

[0011] Figure 5 for Figure 4 A three-dimensional view of the metal frame.

[0012] Figure 6 for Figure 5 A partial 3D view from another angle.

[0013] Figure 7 for Figure 3 An exploded 3D view of a cable connector, showing the metal frame separated from multiple conductive components.

[0014] Figure 8 for Figure 7 A three-dimensional view of multiple conductive components from another angle.

[0015] Figure 9 for Figure 8 A 3D view of one of the conductive components.

[0016] Figure 10 for Figure 8 A three-dimensional view from another angle.

[0017] Figure 11 for Figure 8 3D exploded view of the conductive component.

[0018] Figure 12 for Figure 11 Exploded 3D view of the ground plane and terminal module.

[0019] Figure 13 This is a perspective view of another embodiment of the electrical connector assembly of this discovery.

[0020] [Component Symbol Explanation]

[0021]

[0022]

[0023] The following detailed description, in conjunction with the accompanying drawings, will further illustrate the present invention.

Detailed Implementation Methods

[0024] As shown Figure 1-12 in FIG. 0, the present invention discloses an electrical connector assembly, which includes a cable connector 100 and a board - end connector 200 that can be plugged into each other. The board - end connector 200 is generally installed on a circuit board, such as a main board, a circuit board of a subsystem, or a circuit substrate in a chip module.

[0025] As shown Figure 2-12 in FIG. 1, the cable connector 100 includes a plurality of conductive components 101. The plurality of conductive components are arranged in a certain order to form a matrix - shaped connector interface. In this embodiment, it includes four conductive components 101. Each conductive component 101 includes an insulator 10, a row of terminals 20, a plurality of cables 30, and a ground plate 40. The insulator 10 has a docking surface 11. A row of terminals 20 includes adjacent signal terminals 21 and ground terminals 22. Each terminal 20 includes a first flat portion 23 and a second flat portion 24. The first flat portion 23 is flatly exposed on the docking surface 11 of the insulator. The end of each cable 30 exposes two signal wire cores 31 and a shielding portion 32. The ground plate 40 is connected to the shielding portion 32 and extends a plurality of ground fingers 41. The signal wire cores 31 are connected to the second flat portions 24 of the corresponding signal terminals one by one, and the ground fingers 41 are connected to the second flat portions 24 of the corresponding ground terminals one by one. Thus, a docking interface of the cable connector is constructed, which is flat - shaped, or non - elastic.

[0026] More specifically, the insulator 10 is generally L - shaped, including a longitudinal horizontal portion 12 and a longitudinal vertical portion 13. The bottom surface 121 of the horizontal portion 12 constitutes the docking surface 11. The first flat portion 23 is flatly laid on the bottom surface 121 of the horizontal portion, and the second flat portion 24 is flatly laid on the front surface 131 of the vertical portion 13. In this embodiment, the front surface 131 is perpendicular to the bottom surface 121. Thus, the cable connector 100 can be vertically inserted into the board - end connector 200. As shown Figure 2 in FIG. 2, each terminal 20 includes an inclined portion 25 connecting the first and second flat portions. The inclined portion 25 is buried in the insulator 10. When viewed from the side, the first flat portion 23 is located in front of the corresponding second flat portion 24. The insulating material is fixed to a row of terminals 20 by injection molding to form a terminal module 20A.

[0027] Each of the cables 30 further includes an insulating layer (not shown) surrounding the two signal wire cores. The shielding portion 32 is a shielding layer 321 surrounding the insulating layer. The ground plate 40 is a longitudinal plate, and the shielding layer 321 is pressed against the ground plate 40.

[0028] The conductive component 101 further includes a grounding clamp 50, which is fixed to the grounding plate 40 and clamps multiple cables 30 between them. The grounding clamp includes multiple arc-shaped portions 51 in the shape of city gates. Each cable 30 passes through a corresponding arc-shaped portion 51 and is clamped on the other side by the grounding plate. The grounding plate 40 is a longitudinally elongated plate structure. Multiple grounding fingers 41 are formed by stamping and bending from one side of the grounding plate 40. The grounding fingers 41 are elastic structures formed by bending. Extension portions 42 are formed between the grounding fingers 41. The extension portions 42 are located in the same plane as the grounding plate and are not bent. Positioning pieces 43 extend from both ends of the longitudinal length of the grounding plate. The positioning pieces 43 are L-shaped. The grounding clamp 50 is provided with a fastening portion 55 at both ends of its longitudinal length. The fastening portion 55 passes through the fastening hole 45 provided in the grounding plate 40 and is fixed. Meanwhile, multiple ear pieces 44 are stamped out of the grounding plate, and the ear pieces pass through one side of the cable 30 and are fixed in the retaining holes 54 between the adjacent arc-shaped parts of the grounding clamp 50.

[0029] In this embodiment, a row of terminals 20 is fixed inside the insulator 10 by injection molding to form a terminal module 20A. Then, the ground plane 40 is placed horizontally, and the terminal module 20A is installed onto the ground plane 40 at a certain angle. The rear surface 132 of the vertical portion is attached to the front surface 46 of the ground plane, and the grounding finger 41 elastically presses against the second flat plate portion 24 of the grounding terminal 22. The extension portion 42 matches one-to-one with multiple shallow recesses provided on the rear surface 132 of the insulator, thereby properly placing the terminal module on the ground plane 40. Subsequently, the exposed ends of a row of cables 30 are placed on the second flat plate portion 24 of the signal terminal, and the signal core wire 31 is then welded to the second flat plate portion 24 of the signal terminal 21, and the grounding finger 41 is welded to the second flat plate portion 24 of the grounding terminal 22. The arc-shaped portion 51 has an opening 511 to facilitate soldering. It can be seen that the ground plane not only provides grounding and shielding, but its large size also supports the entire terminal module 20A. Next, the grounding clamp 50 is installed in front of the cable shielding layer 321 and fixed, and can be further reinforced by spot welding. In this embodiment, in addition to matching a row of terminals in the longitudinal direction, the grounding plate is also wider in the vertical direction. After the grounding finger 41 is torn and formed, the remaining part forms the extension 42. The extension shields the terminals and signal wire cores in both the vertical and vertical directions, providing a good shielding effect for adjacent conductive components.

[0030] The cable connector includes a metal frame 60, which includes positioning portions 61 bent inward from opposite sides. Each positioning portion has multiple positioning slots 611. When the conductive component 101 is inserted into the metal frame 60, the positioning pieces 43 are inserted into the corresponding positioning slots 611 and held in place by the positioning portions. The end of the cable is vertically oriented and extends backward at an angle from its end. In this embodiment, the metal frame 60 has a rectangular structure formed by two long sidewalls 621 and two short sidewalls 622. The positioning portion 61 has a metal plate that bends horizontally inward from the top edge of the short sidewall, then bends vertically downward, then bends horizontally outward, and finally the end 612 is welded and fixed to the inner wall surface of the short sidewall. In this invention, the metal frame formed by the metal plate separates and assembles the conductive components. The ground plate 40, in addition to serving as a welding support, is also assembled to the metal frame 60, playing a positioning and separation function and increasing the SI isolation effect.

[0031] In this invention, insulating material can be injection molded onto the outer side of each conductive component 101 to form an independent cable connector. Multiple such cable connectors can be inserted into the positioning slots 611 of the metal frame respectively. Alternatively, insulating material can be injection molded onto the outer sides of multiple conductive components 101 to form a single cable connector, which is then inserted into the metal frame 60 at once. The first plate portion 24 constitutes a contact portion for mating, and the second plate portion constitutes a connection portion for connecting with the cable and a connection portion for contacting the ground plane. The ground plane 40 not only serves as a shield at the connection between the signal core and the cable, but also provides additional functions such as support and locking. In summary, a cable connector includes multiple conductive components and a metal frame. Each conductive component includes an insulator, a row of terminals, a row of cables, and a ground plane. The insulator has a mating surface. The terminals are fixed to the insulator and have contact portions and connection portions exposed on the mating surface. The row of terminals includes signal terminals and ground terminals. Each cable includes a pair of signal cores and a shielding portion. Each signal core is connected to the connection portion of a corresponding signal terminal. The ground plane has multiple grounding fingers, each grounding finger being connected to the connection portion of a corresponding ground terminal. The shielding portion is connected to the ground plane. The metal frame includes positioning portions bent inward from opposite sides. Each positioning portion has multiple positioning slots. Positioning pieces extend from both ends of the ground plane. When the conductive components are inserted into the metal frame, the positioning pieces are inserted into the corresponding positioning slots and held in place by the positioning portions.

[0032] The board-end connector 200 includes a plate-shaped insulating body 70 and multiple rows of resilient terminals 80. The insulating body has a horizontal top surface 71, and the resilient terminals 80 include resilient contact portions 81 exposed on the top surface 71 of the insulating body and pins 82 exposed on the bottom surface of the insulating body. The pins 82 can be soldered onto a circuit board. When the cable connector 100 mates with the board-end connector 200, the first plate portion 23 elastically presses against the corresponding resilient contact portion 81 to achieve an electrical connector.

[0033] Figure 13 A modified electrical connector assembly is shown, with a metal frame 60 disposed on a board-end connector 200A. The metal frame 60 surrounds an insulating body 70 and extends upward beyond the top surface 71 of the insulating body. The metal frame includes positioning portions bent inward from opposite sides, each positioning portion having multiple positioning slots. Positioning tabs extend from both ends of the ground plane. When the cable connector is inserted into the metal frame, the positioning tabs are inserted into corresponding positioning slots and secured to the positioning portions.

[0034] The above embodiments are preferred embodiments of the present invention, but not all embodiments. Any equivalent changes to the present invention made by those skilled in the art through reading the present invention specification are covered by the claims of the present invention.

Claims

1. A cable connector comprising at least one conductive component, each conductive component comprising an insulator, a row of terminals, a plurality of cables, and a ground plane, the insulator having a mating surface, the row of terminals including adjacent signal terminals and ground terminals, each cable having two exposed signal cores and a shielding portion at its end, the ground plane connecting to the shielding portion and extending from it to a plurality of grounding fingers; characterized in that: Each of the terminals includes a first plate portion and a second plate portion. Each signal wire core is connected to the second plate portion of the corresponding signal terminal, and each grounding finger is connected to the second plate portion of the corresponding grounding terminal. The first plate portion is laid flat and exposed on the mating surface of the insulator.

2. The cable connector as described in claim 1, characterized in that: Each of the cables further includes an insulating layer surrounding the two signal cores, the shielding portion being a shielding layer surrounding the insulating layer, and the ground plane being an elongated plate against which the shielding layer presses.

3. The cable connector as described in claim 2, characterized in that: The conductive component further includes a grounding clamp, which has multiple arc-shaped portions for the cables to pass through one by one. The grounding clamp is fixed to the grounding plate and clamps the cables one by one between the two.

4. The cable connector as described in claim 3, characterized in that: The grounding clamp has a retaining part at both ends of its length. The retaining part passes through the retaining hole provided on the grounding plate and is fixed. The grounding plate is stamped with a plurality of lugs. The lugs pass through one side of the cable and are fixed in the retaining hole between the adjacent arc-shaped parts of the grounding.

5. The cable connector as described in claim 1, characterized in that: The insulator includes a horizontal portion and a vertical portion, the mating surface is disposed on the bottom surface of the horizontal portion, and the second flat plate portion is laid flat and exposed on the front surface of the vertical portion.

6. The cable connector as described in claim 4, characterized in that: The grounding plate is attached to the rear surface of the vertical part.

7. The cable connector as described in claim 3, characterized in that: The cable connector includes a metal frame, the metal frame including positioning portions bent inward from opposite sides, each positioning portion having multiple positioning slots, and positioning pieces extending from both ends of the ground plate. When the conductive component is inserted into the metal frame, the positioning pieces are inserted into the corresponding positioning slots and held in place by the positioning portions.

8. The cable connector as described in claim 1, characterized in that: Each of the terminals includes an inclined portion connecting the first and second plate portions, the inclined portion being embedded in the insulator, with the first plate portion located in front of the corresponding second plate portion.

9. A cable connector comprising a plurality of conductive components and a metal frame, each conductive component comprising an insulator, a row of terminals, a row of cables, and a ground plane; the insulator having a mating surface; the terminals being fixed to the insulator and exposed at contact portions and connection portions on the mating surface; the row of terminals comprising signal terminals and ground terminals; each cable comprising a pair of signal cores and a shielding portion, the signal cores being connected one-to-one to the connection portions of corresponding signal terminals; the ground plane having a plurality of grounding fingers, the grounding fingers being connected one-to-one to the connection portions of corresponding ground terminals; the shielding portion being connected to the ground plane; characterized in that: The metal frame includes positioning portions that bend inward from opposite sides. Each positioning portion is provided with multiple positioning slots. Positioning pieces extend from both ends of the ground plate. When the conductive component is inserted into the metal frame, the positioning pieces are inserted into the corresponding positioning slots and fastened to the positioning portions.

10. An electrical connector assembly comprising a cable connector as claimed in claim 1 and a board-end connector, wherein the board-end connector includes an insulating body and at least one row of resilient terminals, the resilient terminals including resilient contact portions exposed on the top surface of the insulating body and pins exposed on the bottom surface of the insulating body, and a first flat plate portion resiliently abutting against the corresponding resilient contact portions to achieve an electrical connector.

11. The electrical connector assembly as claimed in claim 10, characterized in that: The board-end connector includes a metal frame surrounding the insulating body and extending upward beyond the top surface of the insulating body. The metal frame includes positioning portions bent inward from opposite sides, each positioning portion having multiple positioning slots. Positioning pieces extend from both ends of the ground plane. When the cable connector is inserted into the metal frame, the positioning pieces are inserted into the corresponding positioning slots and held in place by the positioning portions.

Images