Wire end connector and connector assembly

Abstract

The utility model provides a wire end connector and a connector assembly, and relates to the technical field of connectors, the wire end connector comprises a first insulation main body, the first insulation main body is internally provided with an accommodating cavity, the accommodating cavity is internally provided with an electric connection plugboard, and two sides of the electric connection plugboard are respectively provided with a signal terminal group; signal wire cores of the cable groups are electrically connected with the signal terminal groups; the electric connection plugboard comprises an electric conductor, two sides of the electric conductor are respectively provided with a plurality of conductive protruding parts, at least parts of signal terminals of the signal terminal group are located between adjacent conductive protruding parts, and grounding wire cores of the cable group are electrically connected with the conductive protruding parts; the problems that the anti-crosstalk capability of a connector is insufficient and the production process is not simple enough in the prior art are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of connectors, and more specifically, relates to a line end connector and a connector assembly. Background Art

[0002] At present, as the signal transmission requirements of connectors increase, the requirements for the crosstalk index of connectors also become higher, and it becomes more and more important to improve the anti-crosstalk performance of connectors. Each row of terminal groups in the connector includes multiple ground terminals and multiple signal terminals, and there is at least one signal terminal between two adjacent ground terminals. For such connectors, how to reduce the crosstalk of signals is an urgent problem to be solved, and at the same time, the simplified design of the production process of such connectors is also very important. Utility Model Content

[0003] The purpose of the utility model is to provide a line end connector and a connector assembly to solve the problems of insufficient anti-crosstalk capability and insufficient simplicity of production process of the connector in the prior art.

[0004] In order to achieve the above object, the utility model provides a line end connector, comprising:

[0005] A first insulating body, wherein a receiving cavity is provided inside the first insulating body, an electrical connection plug board is provided in the receiving cavity, and signal terminal groups are provided on both sides of the electrical connection plug board;

[0006] Two cable groups, the signal wire cores of the cable groups are electrically connected to the signal terminal groups;

[0007] The electrical connection board includes a conductor, a plurality of conductive protrusions are respectively arranged on both sides of the conductor, the signal terminals of the signal terminal group are at least partially located between adjacent conductive protrusions, and the grounding core of the cable group is electrically connected to the conductive protrusions.

[0008] Optionally, the conductor is plate-shaped.

[0009] Optionally, the conductive protrusion is in a strip shape, and the plurality of conductive protrusions are arranged side by side and spaced apart on the surface of the conductor.

[0010] Optionally, a gap is formed between the signal terminal and the conductor.

[0011] Optionally, at least a portion of the surface of the signal terminal between adjacent conductive protrusions away from the conductor forms a first contact portion, at least a portion of the surface of the conductive protrusion is a second contact portion, and the first contact portion is flush with the second contact portion.

[0012] Optionally, the electrical connection board further comprises a first injection molded body, in which at least part of the conductor, at least part of the signal terminal group and at least part of the cable group are embedded, and at least part of the conductive protrusions and at least part of the signal terminals are exposed on the surface of the first injection molded body.

[0013] Optionally, the first contact portion and the second contact portion are exposed on the surface of the first injection-molded body, and the first injection-molded body is provided with a recessed portion and a hollow portion, the bottom of the recessed portion forms a supporting surface, a portion of the first contact portion is on the supporting surface, and another portion of the first contact portion is in the hollow portion.

[0014] Optionally, the conductor is provided with a through hole or an uneven surface.

[0015] Optionally, a guide bar is further included, and the guide bar is a second injection molded body or an assembly body, and the guide bar is arranged at one end of the first injection molded body away from the cable group, and the end of the guide bar away from the first injection molded body is provided with a chamfer.

[0016] Optionally, each of the cable groups includes a plurality of cables, each of the cables includes at least one signal core and at least one ground core, the signal core of each cable and the signal terminal electrically connected thereto form a signal transmission unit, and at least one conductive protrusion is arranged between two adjacent signal transmission units.

[0017] Optionally, each of the cables includes a pair of signal cores and a pair of ground cores, the pair of signal cores are connected to a pair of adjacent signal terminals, the pair of ground cores are respectively located on both sides of the pair of signal cores, and the pair of ground cores are respectively connected to conductive protrusions located on both sides of a pair of adjacent signal terminals.

[0018] Optionally, a plug-in portion is provided at the bottom of one side of the first insulating body, and a lock buckle is provided on the outer side of the plug-in portion, and the lock buckle includes a lock plate bent into a U shape, one side of the lock plate is snapped into a lock groove on the surface of the plug-in portion, and the other side of the lock plate is a free end and exposed, and the two lock protrusions are provided on the outer side of the other side of the lock plate.

[0019] The utility model also provides a connector assembly, comprising:

[0020] Board connector;

[0021] The line end connector described above.

[0022] Optionally, the board-side connector includes:

[0023] A second insulating body, wherein two electrical connection groups are arranged opposite to each other inside the second insulating body, a plug-in space is formed between the two electrical connection groups, and the electrical connection plug board is used to be inserted into the plug-in space and electrically connect the terminal group and the plurality of conductive protrusions to the electrical connection group.

[0024] Optionally, each of the electrical connection groups includes a plurality of ground connection parts, a plurality of signal connection parts and a third grounding plate, the third grounding plate is electrically connected to the ground connection parts, and two third grounding plates are arranged on a side where the two electrical connection groups are close to each other.

[0025] Optionally, the mutually adjacent sides of the two third grounding plates are electrically connected.

[0026] Optionally, a fourth grounding plate is provided between the two third grounding plates, and the fourth grounding plate is electrically connected to the two third grounding plates.

[0027] Optionally, the third grounding plate is a wall-shaped bent plate, the fourth grounding plate is a U-shaped plate, and the outer sides of both ends of the fourth grounding plate are electrically connected to the wave crest positions of the two third grounding plates respectively.

[0028] Optionally, the board-side connector further includes:

[0029] A shell, the shell is sleeved on the outside of the second insulating body, a plug-in slot is formed between at least one of the front side surface and the rear side surface of the second insulating body and the shell, and a lock hole is opened on the shell as a slot wall of the plug-in slot;

[0030] A plug-in portion is provided at the bottom of one side of the first insulating body, a lock buckle is provided on the outer side of the plug-in portion, and the lock buckle includes a lock plate bent into a U shape, one side of the lock plate is clamped in a lock groove on the surface of the plug-in portion, and the other side of the lock plate is a free end and exposed, and two lock protrusions are provided on the outer side of the other side of the lock plate;

[0031] The inserting groove is plug-fitted with the inserting portion, and the locking protrusion is snap-fitted with the locking hole.

[0032] Optionally, a pair of adjacent signal connection parts forms a signal connection group, and adjacent signal connection groups in the same electrical connection group include a first signal connection group and a second signal connection group, the first signal connection group and the second signal connection group are alternately arranged, and at least part of the first signal connection group and at least part of the second signal connection group are staggered so that at least part of the first signal connection group and at least part of the second signal connection group are close to the plug-in space, and the other is far away from the plug-in space, and the ground connection part is arranged on both sides of the first signal connection group or on both sides of the second signal connection group.

[0033] Optionally, at least part of the first signal connection groups in one of the electrical connection groups is close to the plug-in space, and at least part of the first signal connection groups in another of the electrical connection groups is far from the plug-in space.

[0034] The utility model provides a line end connector and a connector assembly, which have the following beneficial effects: the line end connector is provided with an electrical connection plug board in the accommodating cavity of a first insulating body, and signal terminal groups are respectively provided on both sides of each electrical connection plug board, and the electrical connection plug board is respectively provided with a plurality of conductive protrusions on both sides of its conductor, and the plurality of conductive protrusions on each side of the conductor form a grounding terminal group, and the conductive protrusions are electrically connected to the grounding core of the cable group to realize the grounding function; the arrangement of the conductor with the conductive protrusions electrically connects all the grounding cores to the same conductor, and the conductor separates the two cable groups and the two signal terminal groups, and can play the role of a shielding sheet, thereby improving the anti-crosstalk performance between the terminal groups, and the conductor with the plurality of conductive protrusions forms an integrated structure, which is convenient for processing and assembly, and can reduce the difficulty of the production process of the line end connector and improve the production efficiency.

[0035] Other features and advantages of the present invention will be described in detail in the subsequent specific implementation section. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] The above and other objects, features and advantages of the present invention will become more apparent through a more detailed description of exemplary embodiments of the present invention in conjunction with the accompanying drawings, wherein the same reference numerals generally represent the same components in the exemplary embodiments of the present invention.

[0037] Figure 1 A schematic structural diagram of a line end connector according to an embodiment of the utility model is shown.

[0038] Figure 2 A schematic structural diagram of an electrical connection plugboard of a line end connector according to an embodiment of the present invention is shown.

[0039] Figure 3 A schematic diagram of the internal structure of an electrical connection plugboard of a line end connector according to an embodiment of the present invention is shown.

[0040] Figure 4 Shows Figure 3 Schematic diagram of the decomposition structure.

[0041] Figure 5 A schematic diagram of the connection structure between an electrical connection plug board and a cable group of a line end connector according to an embodiment of the present invention is shown.

[0042] Figure 6 A partially enlarged schematic diagram of an electrical connection plugboard of a line end connector according to an embodiment of the present invention is shown.

[0043] Figure 7 A schematic structural diagram of a connector assembly according to an embodiment of the present invention is shown.

[0044] Figure 8 A schematic structural diagram of a board-end connector of a connector assembly according to an embodiment of the present invention is shown.

[0045] Fig. 9 A schematic diagram of the internal structure of a board-end connector of a connector assembly according to an embodiment of the present invention is shown.

[0046] Fig.10 A schematic diagram of the internal structure of a board-end connector of a connector assembly according to another embodiment of the present invention is shown.

[0047] Description of reference numerals:

[0048] 1. First insulating body; 2. Electrical connection plug board; 3. Signal terminal group; 4. Cable group; 5. Conductor; 6. Conductive protrusion; 7. Second contact part; 8. First injection molding body; 9. Recessed part; 10. Hollow part; 11. Through hole; 12. Guide strip; 13. Signal wire core; 14. Ground wire core; 15. Plug-in part; 16. Lock buckle; 17. Locking protrusion; 18. Second insulating body; 19. Electrical connection group; 20. Ground connection part; 21. Signal connection part; 22. Third grounding plate; 23. Fourth grounding plate; 24. Shell; 25. Locking hole; 26. First signal connection group; 27. Second signal connection group. DETAILED DESCRIPTION

[0049] The preferred embodiments of the present invention will be described in more detail below. Although the preferred embodiments of the present invention are described below, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to make the present invention more thorough and complete, and to fully convey the scope of the present invention to those skilled in the art.

[0050] like Figures 1 to 4 As shown, the utility model provides a line end connector, comprising:

[0051] A first insulating body 1, wherein a receiving cavity is provided inside the first insulating body 1, an electrical connection plug board 2 is provided in the receiving cavity, and signal terminal groups 3 are provided on both sides of the electrical connection plug board 2;

[0052] Two cable groups 4, the signal wire cores 13 of the cable group 4 are electrically connected to the signal terminal group 3;

[0053] The electrical connection board 2 includes a conductor 5 , with a plurality of conductive protrusions 6 disposed on both sides of the conductor 5 . The signal terminals of the signal terminal group 3 are at least partially located between adjacent conductive protrusions 6 , and the grounding core 14 of the cable group 4 is electrically connected to the conductive protrusions 6 .

[0054] Specifically, in order to solve the problems of insufficient anti-crosstalk capability and insufficient simplicity of production process of connectors in the prior art, the line end connector provided by the utility model is provided with an electrical connection board 2 in the accommodating cavity of the first insulating body 1, and signal terminal groups 3 are respectively provided on both sides of each electrical connection board 2. The electrical connection board 2 is respectively provided with multiple conductive protrusions 6 on both sides of its conductor 5. The multiple conductive protrusions 6 on each side of the conductor 5 form a grounding terminal group, and the conductive protrusions 6 are electrically connected to the grounding core 14 of the cable group 4 to realize the grounding function; the setting of the conductor 5 with the conductive protrusions 6 electrically connects all the grounding cores 14 to the same conductor 5, and the conductor 5 separates the two cable groups 4 and the two signal terminal groups 3, which can play the role of a shielding sheet and improve the anti-crosstalk performance between the terminal groups. In addition, the conductor 5 with multiple conductive protrusions 6 forms an integrated structure, which is convenient for processing and assembly, and can reduce the difficulty of the production process of the line end connector and improve production efficiency.

[0055] In this embodiment, the conductive protrusions 6 are integrally formed on both sides of the conductor 5 .

[0056] Optionally, the conductor 5 is plate-shaped.

[0057] Specifically, the conductor 5 itself adopts a flat plate structure, which may be a rectangular plate, and the conductive protrusions 6 are arranged on both side surfaces thereof.

[0058] Optionally, the conductive protrusion 6 is in a strip shape, and a plurality of conductive protrusions 6 are arranged side by side and spaced apart on the surface of the conductor 5 .

[0059] Specifically, the conductive protrusions 6 are in a strip-shaped structure, and a groove structure is formed between adjacent conductive protrusions 6 to accommodate the signal terminals.

[0060] In this embodiment, the conductive protrusions 6 are evenly distributed along the width direction of the electrical connection board 2 . The cross-sectional shape of the conductive protrusions 6 is rectangular, and a flat structure is formed on the surface away from the conductor 5 .

[0061] Optionally, a gap is formed between the signal terminal and the conductor 5 .

[0062] Specifically, the signal terminal is located in a groove structure formed between adjacent conductive protrusions 6 , and the signal terminal is not in contact with the conductor 5 or the conductive protrusions 6 on the conductor 5 .

[0063] Optionally, at least a portion of the surface of the signal terminal between adjacent conductive protrusions 6 away from the conductor 5 forms a first contact portion, at least a portion of the surface of the conductive protrusion 6 forms a second contact portion 7 , and the first contact portion is flush with the second contact portion 7 .

[0064] Specifically, the first contact portion and the second contact portion 7 are respectively used to contact the signal connection portion 21 and the ground connection portion 20 in the board-end connector when the line-end connector is plugged into the board-end connector, so as to achieve electrical connection and further realize signal transmission.

[0065] Optionally, the electrical connection board 2 also includes a first injection molded body 8, in which at least part of the conductor 5, at least part of the signal terminal group 3 and at least part of the cable group 4 are embedded, and at least part of the conductive protrusion 6 and at least part of the signal terminal are exposed on the surface of the first injection molded body 8.

[0066] Specifically, partial surfaces of the signal terminal group 3 and the plurality of conductive protrusions 6 are exposed, and are used to electrically connect the signal terminal group 3 and the plurality of conductive protrusions 6 with the electrical connection group 19 of the board-end connector when the line segment connector is connected to the board-end connector.

[0067] In this embodiment, the first injection molded body 8 is used to fix the signal terminal set 3 and is connected to the plurality of conductive protrusions 6 . The exposed surfaces of the signal terminal set 3 and the plurality of conductive protrusions 6 are flush with the surface of the first injection molded body 8 .

[0068] Optionally, the first contact portion and the second contact portion 7 are exposed on the surface of the first injection molded body 8, and the first injection molded body 8 is provided with a recessed portion 9 and a hollow portion 10, the bottom of the recessed portion 9 forms a supporting surface, a part of the first contact portion is on the supporting surface, and the other part of the first contact portion is in the hollow portion 10.

[0069] Specifically, Figure 6 As shown, the supporting surface formed at the bottom of the recessed portion 9 supports the signal terminal of the first contact portion, thereby preventing the first contact portion from being excessively deformed when the signal terminal group 3 and the plurality of conductive protrusions 6 are electrically connected to the electrical connection group 19 of the board-end connector when the line segment connector is connected to the board-end connector.

[0070] Optionally, the conductor 5 is provided with a through hole 11 or an uneven surface.

[0071] Specifically, the through holes 11 or the uneven surface provided on the conductor 5 can improve the stability of fixing the conductor 5 by the first injection molded body 8 .

[0072] In this embodiment, a plurality of through holes 11 are provided at one end of the conductor 5 away from the cable group 4 .

[0073] Optionally, a guide bar 12 is further included. The guide bar 12 is a second injection molded body or an assembly. The guide bar 12 is arranged at one end of the first injection molded body 8 away from the cable group 4. The end of the guide bar 12 away from the first injection molded body 8 is chamfered.

[0074] Specifically, the guide bar 12 can form a guide through the chamfer when the electrical connection board 2 is plugged in, which is beneficial to the plugging and unplugging of the line end connector; the guide bar 12 can be a second injection molded body or an assembly body, which is assembled with the first injection molded body 8.

[0075] In this embodiment, no matter the guide bar 12 is the second injection molded body or the assembly body, the structure of one end thereof close to the first injection molded body 8 is similar to the first assembly body, and the conductive protrusion 6 can be at least partially exposed on both side surfaces of the guide bar 12 .

[0076] Optionally, each cable group 4 includes multiple cables, each cable includes at least one signal core 13 and at least one ground core 14, the signal core 13 of each cable and the signal terminal electrically connected thereto form a signal transmission unit, and at least one conductive protrusion 6 is arranged between two adjacent signal transmission units.

[0077] Specifically, the conductive protrusions 6 are located on both sides of the signal terminal of each signal transmission unit.

[0078] Optionally, each cable includes a pair of signal cores 13 and a pair of ground cores 14, the pair of signal cores 13 are connected to a pair of adjacent signal terminals, the pair of ground cores 14 are respectively located on both sides of the pair of signal cores 13, and the pair of ground cores 14 are respectively connected to the conductive protrusions 6 located on both sides of a pair of adjacent signal terminals.

[0079] Specifically, Figure 5 As shown, the cable group 4 includes a plurality of cables arranged in a row, each cable including a pair of signal cores 13 and a pair of ground cores 14, the pair of ground cores 14 are arranged on both sides of the pair of signal cores 13 away from each other, the pair of signal cores 13 can form a differential signal pair, and the pair of ground cores 14 are connected to two conductive protrusions 6 on both sides of two signal terminals connected to a differential signal pair; in this way, two ground cores 14 can be connected to each conductive protrusion 6.

[0080] Optionally, a plug-in portion 15 is provided at the bottom of one side of the first insulating body 1, and a lock buckle 16 is provided on the outer side of the plug-in portion 15. The lock buckle 16 includes a locking plate bent into a U shape, one side of the locking plate is snapped into a locking groove on the surface of the plug-in portion 15, and the other side of the locking plate is a free end and exposed, and two locking protrusions 17 are provided on the outer side of the other side of the locking plate.

[0081] Specifically, the plug-in portion 15 is used to be inserted into the plug-in slot of the board-end connector when the line-end connector is connected to the board-end connector, forming a plug-in fit to ensure the stability of the connection; the locking plate bent into a U shape is elastic, and when the line-end connector is connected to the board-end connector, it is connected to the board-end connector through the lock buckle 16. When the other side of the lock plate is pressed, the locking protrusion 17 on the other side of the lock plate can be driven to retract from the locking hole 25 on the board-end connector, and the line-end connector can be pulled out at this time.

[0082] Furthermore, a drawstring is provided at the other end of the lock plate, and the lock buckle 16 can also be unlocked by pulling the drawstring.

[0083] like Figure 7 As shown, the utility model also provides a connector assembly, including:

[0084] Board connector;

[0085] The line end connector described above.

[0086] Optionally, the board-side connector includes:

[0087] The second insulating body 18 has two electrical connection groups 19 arranged inside thereof, and a plug-in space is formed between the two electrical connection groups 19. The electrical connection board 2 is used to be inserted into the plug-in space and electrically connect the terminal group and the plurality of conductive protrusions 6 to the electrical connection group 19.

[0088] Specifically, Figure 8 As shown, a plug-in space is formed between the two electrical connection groups 19 inside the second insulating body 18. When the line-end connector is connected to the board-end connector, the electrical connection board 2 is inserted into the plug-in space, and the two terminal groups are respectively in contact with the two electrical connection groups 19 to achieve electrical connection, thereby enabling signal transmission.

[0089] Optionally, each electrical connection group 19 includes multiple ground connection parts 20, multiple signal connection parts 21 and a third grounding plate 22, the third grounding plate 22 is electrically connected to the ground connection part 20, and two third grounding plates 22 are arranged on the side where the two electrical connection groups 19 are close to each other.

[0090] Specifically, Fig. 9 As shown, multiple grounding connection parts 20 and multiple signal connection parts 21 of each electrical connection group 19 are arranged in a row. When the line-end connector is connected to the board-end connector, the grounding connection part 20 and the signal connection part 21 are respectively connected to the conductive protrusion 6 and the signal terminal. Each electrical connection group 19 is connected to a third grounding plate 22, and the third grounding plate 22 is connected to the multiple grounding connection parts 20 of the electrical connection group 19, which can improve the anti-crosstalk performance of the board-end connector.

[0091] Optionally, the mutually adjacent sides of the two third grounding plates 22 are electrically connected.

[0092] Specifically, the two third grounding plates 22 are electrically connected, which can further improve the anti-crosstalk performance of the board-side connector.

[0093] Optionally, a fourth grounding plate 23 is disposed between the two third grounding plates 22 , and the fourth grounding plate 23 is electrically connected to the two third grounding plates 22 .

[0094] Specifically, the fourth grounding plate 23 connects the two third grounding plates 22 and facilitates forming a plug-in space between the two electrical connection groups 19 .

[0095] Optionally, the third grounding plate 22 is a wall-shaped bent plate, the fourth grounding plate 23 is a U-shaped plate, and the outer sides of both ends of the fourth grounding plate 23 are electrically connected to the crest positions of the two third grounding plates 22 respectively.

[0096] Specifically, the U-shaped fourth grounding plate 23 opens upward, and surfaces at both ends of the fourth grounding plate 23 that are away from each other are electrically connected to surfaces at the crest positions of the two third grounding plates 22 , respectively. The third grounding bar can be welded to the fourth grounding plate 23 .

[0097] Optionally, the board-side connector further includes:

[0098] The outer shell 24 is sleeved on the outside of the second insulating body, and a plug-in slot is formed between at least one of the front side and the rear side of the second insulating body and the outer shell 24. The outer shell 24, which serves as a slot wall of the plug-in slot, is provided with a lock hole 25;

[0099] A plug-in portion 15 is provided at the bottom of one side of the first insulating body 1, and a lock buckle 16 is provided on the outer side of the plug-in portion 15. The lock buckle 16 includes a lock plate bent into a U shape, one side of the lock plate is clamped in a lock groove on the surface of the plug-in portion 15, and the other side of the lock plate is a free end and exposed to the outside, and two lock protrusions 17 are provided on the outer side of the other side of the lock plate;

[0100] The plug-in slot is plug-fitted with the plug-in portion 15 , and the locking protrusion 17 is snap-fitted with the locking hole 25 .

[0101] Specifically, the board-end connector forms a plug-in slot on one side of the second insulating body through the setting of the shell 24. When the line-end connector is inserted, its plate-shaped plug-in portion 15 is inserted into the plug-in slot to form a plug-in fit, which can ensure the stability of the plug-in, and the lock buckle 16 realizes the card connection between the line-end connector and the board-end connector through the cooperation of the lock protrusion 17 and the lock hole 25. At the same time, the electrical connection board 2 is inserted into the plug-in space to realize the electrical connection between the signal terminal group 3 and the multiple conductive protrusions 6 and the electrical connection group 19.

[0102] In this embodiment, a positioning plate is provided at both ends of the lower side of the first insulating body 1 of the line end connector. When the line segment connector is connected to the board end connector, the two positioning plates are located on the outer sides of the shell 24 respectively, which plays a role in further improving the plug-in stability.

[0103] In one embodiment, the plurality of signal connection portions 21 and the plurality of ground connection portions 20 in each electrical connection group 19 are neatly arranged in a row.

[0104] In another embodiment, Fig.10 As shown, a pair of adjacent signal connection parts 21 form a signal connection group, and the adjacent signal connection groups in the same electrical connection group 19 include a first signal connection group 26 and a second signal connection group 27. The first signal connection group 26 and the second signal connection group 27 are alternately arranged, and at least part of the first signal connection group 26 and at least part of the second signal connection group 27 are staggered so that at least part of the first signal connection group 26 and at least part of the second signal connection group 27 are close to the plug-in space, and the other is far away from the plug-in space. The ground connection part 20 is arranged on both sides of the first signal connection group 26 or on both sides of the second signal connection group 27.

[0105] Specifically, Fig.10 Taking the situation shown as an example, the first signal connection group 26 and the second signal connection group 27 are alternately arranged, the ground connection portion 20 is arranged on both sides of the first signal connection group 26 and is on the same arrangement plane as the first signal connection group 26, while the second signal connection group 27 is staggered with the first signal connection group 26 and is not on the same arrangement plane. In this way, by utilizing the principle that the hypotenuse is longer than the right-angled side, the distance between adjacent signal connection groups originally arranged on the same arrangement plane can be increased, thereby improving the anti-crosstalk performance.

[0106] Furthermore, at least part of the first signal connection group 26 in one electrical connection group 19 is close to the plug-in space, and at least part of the first signal connection group 26 in another electrical connection group 19 is far from the plug-in space.

[0107] Specifically, the relatively arranged first signal connection groups 26 and the relatively arranged second signal connection groups 27 in the two electrical connection groups 19 also form an interlaced arrangement, that is, the first signal connection group 26 in one electrical connection group 19 is close to the plug-in space, and the corresponding first signal connection group 26 in the other electrical connection group 19 is far away from the plug-in space.

[0108] The various embodiments of the utility model have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A line end connector, characterized in that: include: A first insulating body, wherein a receiving cavity is provided inside the first insulating body, an electrical connection plug board is provided in the receiving cavity, and signal terminal groups are provided on both sides of the electrical connection plug board; Two cable groups, the signal wire cores of the cable groups are electrically connected to the signal terminal groups; The electrical connection board includes a conductor, a plurality of conductive protrusions are respectively arranged on both sides of the conductor, the signal terminals of the signal terminal group are at least partially located between adjacent conductive protrusions, and the grounding core of the cable group is electrically connected to the conductive protrusions.

2. The wire end connector according to claim 1, characterized in that: The conductor is in a plate shape.

3. The wire end connector according to claim 1, characterized in that: The conductive protrusions are strip-shaped, and the plurality of conductive protrusions are arranged side by side and spaced apart on the surface of the conductor.

4. The wire end connector according to claim 1, characterized in that: A gap is formed between the signal terminal and the conductor.

5. The wire end connector according to claim 1, characterized in that: The signal terminal between the adjacent conductive protrusions forms a first contact portion away from at least a portion of the surface of the conductor, and at least a portion of the surface of the conductive protrusion is a second contact portion. The first contact portion is flush with the second contact portion.

6. The wire end connector according to claim 5, characterized in that: The electrical connection board also includes a first injection molded body, in which at least part of the conductor, at least part of the signal terminal group and at least part of the cable group are embedded, and at least part of the conductive protrusions and at least part of the signal terminals are exposed on the surface of the first injection molded body.

7. The wire end connector according to claim 6, characterized in that: The first contact portion and the second contact portion are exposed on the surface of the first injection-molded body. The first injection-molded body is provided with a recessed portion and a hollowed portion. The bottom of the recessed portion forms a supporting surface. A portion of the first contact portion is located on the supporting surface, and another portion of the first contact portion is located in the hollowed portion.

8. The wire end connector according to claim 6, characterized in that: The conductor is provided with a through hole or an uneven surface.

9. The wire end connector according to claim 6, characterized in that: It also includes a guide bar, which is a second injection molded body or an assembly body, and is arranged at one end of the first injection molded body away from the cable group, and the end of the guide bar away from the first injection molded body is provided with a chamfer.

10. The wire end connector according to claim 1, characterized in that: Each of the cable groups includes a plurality of cables, each of the cables includes at least one signal core and at least one ground core, the signal core of each cable and the signal terminal electrically connected thereto form a signal transmission unit, and at least one conductive protrusion is arranged between two adjacent signal transmission units.

11. The wire end connector according to claim 10, characterized in that: Each of the cables includes a pair of signal cores and a pair of ground cores, wherein the pair of signal cores are connected to a pair of adjacent signal terminals, and the pair of ground cores are respectively located on both sides of the pair of signal cores, and the pair of ground cores are respectively connected to conductive protrusions located on both sides of a pair of adjacent signal terminals.

12. The wire end connector according to claim 1, characterized in that: A plug-in portion is provided at the bottom of one side of the first insulating body, and a lock buckle is provided on the outer side of the plug-in portion. The lock buckle includes a lock plate bent into a U shape, one side of the lock plate is snapped into a lock groove on the surface of the plug-in portion, and the other side of the lock plate is a free end and exposed, and two lock protrusions are provided on the outer side of the other side of the lock plate.

13. A connector assembly, characterized in that: include: Board connector; A line end connector according to any one of claims 1 to 12.

14. The connector assembly according to claim 13, characterized in that The board-side connector comprises: A second insulating body, wherein two electrical connection groups are arranged opposite to each other inside the second insulating body, a plug-in space is formed between the two electrical connection groups, and the electrical connection plug board is used to be inserted into the plug-in space and electrically connect the terminal group and the plurality of conductive protrusions to the electrical connection group.

15. The connector assembly according to claim 14, characterized in that Each of the electrical connection groups includes a plurality of ground connection parts, a plurality of signal connection parts and a third grounding plate, the third grounding plate is electrically connected to the ground connection parts, and two third grounding plates are arranged on one side of the two electrical connection groups close to each other.

16. The connector assembly according to claim 15, characterized in that The mutually adjacent sides of the two third grounding plates are electrically connected.

17. The connector assembly according to claim 16, characterized in that A fourth grounding plate is disposed between the two third grounding plates, and the fourth grounding plate is electrically connected to the two third grounding plates.

18. The connector assembly according to claim 17, wherein: The third grounding plate is a wall-shaped bent plate, the fourth grounding plate is a U-shaped plate, and the outer sides of both ends of the fourth grounding plate are electrically connected to the wave crest positions of the two third grounding plates respectively.

19. The connector assembly according to claim 14, wherein: The board-end connector also includes: A shell, the shell is sleeved on the outside of the second insulating body, a plug-in slot is formed between at least one of the front side surface and the rear side surface of the second insulating body and the shell, and a lock hole is opened on the shell as a slot wall of the plug-in slot; A plug-in portion is provided at the bottom of one side of the first insulating body, a lock buckle is provided on the outer side of the plug-in portion, and the lock buckle includes a lock plate bent into a U shape, one side of the lock plate is clamped in a lock groove on the surface of the plug-in portion, and the other side of the lock plate is a free end and exposed, and two lock protrusions are provided on the outer side of the other side of the lock plate; The inserting groove is plug-fitted with the inserting portion, and the locking protrusion is snap-fitted with the locking hole.

20. The connector assembly according to claim 15, wherein: A pair of adjacent signal connection parts forms a signal connection group, and adjacent signal connection groups in the same electrical connection group include a first signal connection group and a second signal connection group, the first signal connection group and the second signal connection group are alternately arranged, and at least part of the first signal connection group and at least part of the second signal connection group are staggered so that at least part of the first signal connection group and at least part of the second signal connection group are close to the plug-in space, and the other is far away from the plug-in space, and the ground connection part is arranged on both sides of the first signal connection group or on both sides of the second signal connection group.

21. The connector assembly according to claim 20, characterized in that At least part of the first signal connection groups in one of the electrical connection groups is close to the plug-in space, and at least part of the first signal connection groups in another of the electrical connection groups is far from the plug-in space.

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