Grounding structure, electric connection assembly and connector

Abstract

The utility model provides a grounding structure, an electric connection assembly and a connector, and relates to the technical field of connectors, the grounding structure is used for grounding two terminal groups which are arranged at intervals, each terminal group comprises a plurality of signal terminals which are arranged side by side, the grounding structure comprises a conductor, two sides of the conductor are respectively provided with a plurality of conductive protruding parts, and the conductive protruding parts are arranged on the conductor. The signal terminals are at least partially located between the adjacent conductive protruding parts, and the signal terminals and the conductive protruding parts are used for being connected with a grounding wire core and a signal wire core of the cable set respectively; 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 grounding structure, an electrical connection component and a connector. 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 grounding structure, an electrical connection component and a connector 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 grounding structure for grounding two terminal groups arranged at intervals, each of the terminal groups comprising a plurality of signal terminals arranged side by side, including:

[0005] A conductor, wherein a plurality of conductive protrusions are respectively arranged on both sides of the conductor, the signal terminal is at least partially located between adjacent conductive protrusions, and the signal terminal and the conductive protrusions are respectively used to connect with the ground core and the signal core of the cable group.

[0006] Optionally, the conductor is plate-shaped.

[0007] 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.

[0008] Optionally, a gap is formed between the signal terminal and the conductor.

[0009] Optionally, at least a portion of the surface of the signal terminal between adjacent conductive protrusions forms a first contact portion away from the conductor, 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.

[0010] Optionally, the conductor is provided with a through hole or an uneven surface.

[0011] The utility model also provides an electrical connection assembly, comprising:

[0012] Two cable groups, the two cable groups are respectively connected to one section of the two terminal groups, and the cable groups include a plurality of grounding cores and a plurality of signal cores;

[0013] The above-mentioned grounding structure;

[0014] 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 protrusion and at least part of the signal terminal are exposed on the surface of the first injection molded body.

[0015] Optionally, the signal terminal between adjacent conductive protrusions forms a first contact portion away from at least a portion of the surface of the conductor, 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;

[0016] 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.

[0017] 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.

[0018] 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.

[0019] 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.

[0020] The utility model also includes a connector, comprising:

[0021] Insulation body;

[0022] The electrical connection assembly mentioned above is at least partially disposed in the insulating body.

[0023] The utility model provides a grounding structure, an electrical connection component and a connector, and its beneficial effects are: the grounding structure is respectively provided with a plurality of conductive protrusions on both sides of the conductor, and the plurality of conductive protrusions on each side of the conductor form a grounding terminal group, and the terminal groups are respectively provided on both sides of the conductor, and the plurality of signal terminals of the terminal group are electrically connected to the signal wire cores of the cable group to realize the signal transmission function, and the conductive protrusions are electrically connected to the grounding wire cores of the cable group to realize the grounding function; the arrangement of the conductor with the conductive protrusions electrically connects all the grounding wire cores to the same conductor, and the conductor separates the two cable groups and the two 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.

[0024] Other features and advantages of the present invention will be described in detail in the subsequent specific implementation section. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] 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.

[0026] Figure 1 A schematic diagram of a grounding structure according to an embodiment of the utility model is shown.

[0027] Figure 2 Shows Figure 1 Schematic diagram of the decomposition structure.

[0028] Figure 3 A schematic structural diagram of an electrical connection assembly according to an embodiment of the utility model is shown.

[0029] Figure 4 A schematic diagram of a connection structure between a grounding structure of an electrical connector assembly and a cable group according to an embodiment of the utility model is shown.

[0030] Figure 5 A partially enlarged schematic diagram of an electrical connector assembly according to an embodiment of the utility model is shown.

[0031] Figure 6 A schematic structural diagram of a connector according to an embodiment of the utility model is shown.

[0032] Description of reference numerals:

[0033] 1. Insulating body; 2. Electrical connection assembly; 3. Signal terminal group; 4. Cable group; 5. Conductor; 6. Conductive protrusion; 7. Second contact portion; 8. First injection molded body; 9. Recessed portion; 10. Hollow portion; 11. Through hole; 12. Guide strip; 13. Signal wire core; 14. Ground wire core; 15. Plug-in portion; 16. Lock buckle; 17. Locking protrusion. DETAILED DESCRIPTION

[0034] 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.

[0035] like Figure 1 and Figure 2 As shown, the utility model provides a grounding structure for grounding two terminal groups arranged at intervals, each terminal group includes a plurality of signal terminals arranged side by side, including:

[0036] The conductor 5 has a plurality of conductive protrusions 6 on both sides thereof. The signal terminal is at least partially located between adjacent conductive protrusions 6 . The signal terminal and the conductive protrusions 6 are respectively used to connect to the ground core 14 and the signal core 13 of the cable group 4 .

[0037] Specifically, in order to solve the problems of insufficient anti-crosstalk ability and insufficient simplicity of production process of connectors in the prior art, the grounding structure provided by the utility model is provided with multiple conductive protrusions 6 on both sides of the conductor 5, and the multiple conductive protrusions 6 on each side of the conductor 5 form a grounding terminal group. Terminal groups are provided on both sides of the conductor 5, and the multiple signal terminals of the terminal group are electrically connected to the signal cores 13 of the cable group 4 to realize the signal transmission function. The conductive protrusions 6 are electrically connected to the grounding cores 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 terminal groups, which can play the role of a shielding sheet and improve the anti-crosstalk performance between the terminal groups. The conductor 5 with the 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.

[0038] In this embodiment, the conductive protrusions 6 are integrally formed on both sides of the conductor 5 .

[0039] Optionally, the conductor 5 is plate-shaped.

[0040] 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.

[0041] 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 .

[0042] 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.

[0043] In this embodiment, the conductive protrusions 6 are evenly distributed along the width direction of the electrical connection component 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 .

[0044] Optionally, a gap is formed between the signal terminal and the conductor 5 .

[0045] 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 .

[0046] 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 .

[0047] Specifically, the first contact portion and the second contact portion 7 are respectively used to contact the signal connection portion and the ground connection portion 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.

[0048] Optionally, the conductor 5 is provided with a through hole 11 or an uneven surface.

[0049] 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 .

[0050] In this embodiment, a plurality of through holes 11 are provided at one end of the conductor 5 away from the cable group 4 .

[0051] like Figure 3 and Figure 4 As shown, the utility model also provides an electrical connection assembly 2, comprising:

[0052] Two cable groups 4, the two cable groups 4 are respectively connected to one section of the two terminal groups, and the cable groups 4 include a plurality of ground wire cores 14 and a plurality of signal wire cores 13;

[0053] The above-mentioned grounding structure;

[0054] The 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 .

[0055] Specifically, the setting of the first injection molded body 8 enables the two cable groups 4 and the above-mentioned grounding structure to form an integral structure, and the partial surfaces of the signal terminal group 3 and the multiple conductive protrusions 6 are exposed, so that the signal terminal group 3 and the multiple conductive protrusions 6 are electrically connected to the electrical connection group of the board-end connector when the line segment connector is connected to the board-end connector.

[0056] 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 .

[0057] 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;

[0058] The first contact portion and the second contact portion 7 are exposed on the surface of the first injection molded body 8. 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.

[0059] Specifically, Figure 5 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 of the board-end connector when the line segment connector is connected to the board-end connector.

[0060] 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.

[0061] Specifically, the guide bar 12 can form a guide through the chamfer when the electrical connection component 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.

[0062] 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 .

[0063] 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.

[0064] Specifically, the conductive protrusions 6 are located on both sides of the signal terminal of each signal transmission unit.

[0065] 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.

[0066] Specifically, Figure 4 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.

[0067] The utility model also includes a connector, comprising:

[0068] Insulation body 1;

[0069] The electrical connection component 2 mentioned above is at least partially disposed in the insulating body 1 .

[0070] Specifically, at least part of the above-mentioned electrical connection component 2 is arranged in the insulating body 1 to form a connector, which can be an electrical connector of various forms. The connector uses the insulating body 1 as a shell, completes signal transmission through the above-mentioned electrical connection component 2, and realizes grounding of the terminal with the above-mentioned grounding structure.

[0071] In this embodiment, the connector is a line-end connector that can be plugged in with a board-end connector. An electrical connection component 2 as mentioned above is provided in the insulating body 1. When the line-end connector is connected to the corresponding board-end connector, the first contact portion and the second contact portion 7 are used to contact the electrical connection group of the board-end connector to form an electrical connection.

[0072] Furthermore, the line-end connector may also include a plug-in portion 15 , a lock buckle 16 , etc. The plug-in portion 15 is used to mate with the board-end connector, and the lock buckle 16 is used to lock with the lock hole on the board-end connector through its locking protrusion 17 .

[0073] 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 grounding structure for grounding two terminal groups arranged at intervals, each of the terminal groups comprising a plurality of signal terminals arranged side by side, characterized in that: include: A conductor, wherein a plurality of conductive protrusions are respectively arranged on both sides of the conductor, the signal terminal is at least partially located between adjacent conductive protrusions, and the signal terminal and the conductive protrusions are respectively used to connect with the ground core and the signal core of the cable group.

2. The grounding structure according to claim 1, characterized in that: The conductor is in a plate shape.

3. The grounding structure 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 grounding structure according to claim 1, characterized in that: A gap is formed between the signal terminal and the conductor.

5. The grounding structure 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 grounding structure according to claim 1, characterized in that: The conductor is provided with a through hole or an uneven surface.

7. An electrical connection assembly, characterized in that: include: Two cable groups, the two cable groups are respectively connected to one section of the two terminal groups, and the cable groups include a plurality of grounding cores and a plurality of signal cores; The grounding structure according to any one of claims 1 to 6; 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 protrusion and at least part of the signal terminal are exposed on the surface of the first injection molded body.

8. The electrical connection assembly according to claim 7, 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, 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; 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.

9. The electrical connection assembly according to claim 7, 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 electrical connection assembly according to claim 7, 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 electrical connection assembly 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. A connector, characterized in that: include: Insulation body; According to any one of claims 7 to 11, the electrical connection assembly is at least partially disposed within the insulating body.

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