CN213959257U - Low-crosstalk high-speed socket electric connector - Google Patents

Abstract

The utility model provides a high-speed socket electric connector of low crosstalk, includes insulator and combines in a plurality of conductive terminal in the insulator, the preceding terminal surface of insulator inwards caves in and is formed with and inserts the chamber, each conductive terminal is including exposing to inserting the contact site that the intracavity corresponds and dock the connector contact, the contact site is two rows of range and sets up in inserting the upper and lower internal face in chamber, includes a plurality of signal terminal and a plurality of ground terminal that arrange according to specific order in the same row of conductive terminal, insulator's outside surface caves in has the insertion groove, the insertion groove corresponds one of them row of conductive terminal setting, still includes ground connection piece, ground connection piece of concatenating is formed with the body portion that combines in the insertion groove and with body portion body coupling and with the contact piece that corresponds ground terminal overlap joint. Have better ground connection effect and equipment convenience.

Description

Low-crosstalk high-speed socket electric connector

[ technical field ] A method for producing a semiconductor device

The embodiment of the application relates to the communication transmission field, the utility model relates to a low high-speed socket electric connector that disturbs.

[ background of the invention ]

Referring to chinese utility model patent No. CN211428387U, the prior art discloses a high-speed receptacle electrical connector assembly with stable structure. Any row of terminals of such high speed receptacle electrical connector assemblies typically includes pairs of differential signal pairs and ground terminals for spacing each pair of differential signal pairs. In the high-speed receptacle electrical connector assembly disclosed in the prior art, since the conductive extension path of the terminal is long and the number of the ground terminals is large, a potential difference may be generated between the ground terminals, and high-frequency resonance of each pair of differential signal terminals is affected, thereby affecting high-speed signal transmission.

Accordingly, there is a need for an improved low crosstalk high speed receptacle electrical connector that solves the above problems.

[ Utility model ] content

An object of the present application is to provide a new electrical connector assembly with better grounding effect.

In order to achieve the above purpose, the present application is implemented by the following technical solutions:

the utility model provides a high-speed socket electric connector of low crosstalk, includes insulator and combines in a plurality of conductive terminal in the insulator, the preceding terminal surface of insulator inwards caves in and is formed with and inserts the chamber, each conductive terminal is including exposing to inserting the contact site that the intracavity corresponds and dock the connector contact, the contact site is two rows of range and sets up in inserting the upper and lower internal face in chamber, includes a plurality of signal terminal and a plurality of ground terminal that arrange according to specific order in the same row of conductive terminal, insulator's outside surface caves in has the insertion groove, the insertion groove corresponds one of them row of conductive terminal setting, still includes ground connection piece, ground connection piece concatenates including combining the body portion in the insertion groove and with body portion body coupling and with the lapped contact piece of corresponding ground terminal.

Furthermore, the insulating body comprises a front end thin portion and a thickened portion located at the rear end of the front end thin portion, the front end thin portion forms the insertion cavity, the outer surface of the joint position of the front end thin portion and the thickened portion forms a step-shaped structure and is provided with an elevated surface, an included angle larger than 0 degree is formed between the elevated surface and the horizontal plane, and the insertion groove is formed by inwards sinking the elevated surface of the insulating body.

Furthermore, the elevated surface is parallel to the front end surface of the insulating body.

Further, the body portion extends in a horizontal direction to be plate-shaped, and the body portion is inserted into the insertion groove along an insertion direction of the mating connector.

Further, the contact piece is formed by further extending and bending the front end edge of the body part, an included angle is formed between the contact piece and the body part, and the included angle is larger than 0 degree and not larger than 90 degrees.

Further, the included angle is not less than 60 degrees and not more than 90 degrees.

Furthermore, the grounding terminal is provided with a material breaking part which is formed after the material belt is broken and is exposed out of the insulating body, and the contact piece is correspondingly lapped with the material breaking part.

Furthermore, a step-shaped structure is formed at the joint position of the upper surface of the front end thin portion and the thickened portion to form an elevated surface, a step-shaped structure is formed at the joint position of the lower surface of the front end thin portion and the thickened portion to form an elevated surface, insertion grooves are formed in the two elevated surfaces, a grounding series connection piece is combined in each insertion groove, and the two grounding series connection pieces are respectively and correspondingly lapped with the grounding terminals in the two rows of conductive terminals.

Further, the grounding series connection piece is exposed out of the insulating body and does not protrude out of the outer surface of the insulating body.

Furthermore, the front end of thickening portion combines two front end thin shape portions, two the front end thin shape portion sets up along upper and lower direction interval, low crosstalk high speed socket electric connector still includes the metal shielding cage, the metal shielding cage cover is located insulator periphery.

Compared with the prior art, the method has the following beneficial effects: has better grounding effect.

[ description of the drawings ]

Fig. 1 is a perspective view of a low crosstalk high speed receptacle electrical connector of the present application;

fig. 2 is a partial perspective view of the low crosstalk, high speed receptacle electrical connector of the present application with the metal shielding cage module removed;

fig. 3 is a partial exploded perspective view of fig. 2, primarily showing a perspective view of the ground link separated from the dielectric body;

fig. 4 is a partially exploded perspective view of fig. 2, which mainly shows a perspective view of the ground strap separated from the dielectric body, with the view angle adjusted compared to fig. 3 for the purpose of more clearly showing the shape of the insertion slot;

FIG. 5 is an enlarged view of the encircled structure of FIG. 4;

fig. 6 is a cross-sectional view taken along line a-a of fig. 2, for clearly showing the contact position of the grounding string and the grounding terminal and the combination position relationship with the insulating body;

fig. 7 is an enlarged view of the structure within the circle in fig. 6.

[ detailed description ] embodiments

It should be noted that the embodiments and features of the embodiments in the application may be combined with each other without conflict. Furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the application can be understood by those of ordinary skill in the art as the case may be.

In the description of the application, it is to be understood that the terms "comprises" and "comprising," and any variations thereof, as used herein, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In addition, for the accuracy of description of the present application, the application of the present application referring to the direction is uniformly referred to as fig. 2, wherein the extending direction of the X axis is the arrangement direction of the conductive terminals 2 (also referred to as the left-right direction, wherein the positive direction of the X axis is the right direction); the Y-axis extending direction is a plugging direction (also referred to as a front-back direction, where the Y-axis forward direction is a back direction) of a mating connector (not shown); the Z-axis extending direction is the up-down direction (wherein the Z-axis forward direction is up). The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1 to 7, a high-speed receptacle electrical connector with low crosstalk is disclosed. The low-crosstalk high-speed socket electric connector comprises an insulating body 1, a plurality of conductive terminals 2 combined in the insulating body 1 and a metal shielding cage 4 covering the periphery of the insulating body 1. The low crosstalk high speed receptacle electrical connector is typically secured to a mating circuit board for mating with a mating connector for signal transmission.

Referring to fig. 6 in combination with fig. 2 and fig. 3, the front end surface 100 of the insulating body 1 is recessed inward to form an insertion cavity 10. Each of the conductive terminals 2 includes a contact portion 21 exposed into the insertion cavity 10 to correspond to a mating connector. The contact portions 21 are arranged in two rows on the upper and lower inner wall surfaces of the insertion cavity 10, and the contact portions 21 are in cantilever shape and can be elastically deformed. The same row of conductive terminals 2 includes a plurality of signal terminals 201 and a plurality of ground terminals 202 arranged in a specific order, in the present application, the signal terminals 201 include a plurality of pairs of differential signal terminal pairs, and the ground terminals 202 are arranged in the plurality of pairs at intervals.

Referring to fig. 2 to 5, the insulating body 1 includes an insulating base (not numbered) formed by stacking a plurality of insulating substrates (not numbered) along at least an arrangement direction (left-right direction) of the conductive terminals 2, and the plurality of insulating substrates include a signal substrate (not numbered) and a ground substrate (not numbered). The signal substrate has a signal terminal 201 incorporated therein, and the ground substrate has a ground terminal 202 incorporated therein. Four signal terminals 201 are coupled to each signal substrate, and one ground terminal 202 is coupled to each ground substrate. The signal terminals 201 in the insulating base are arranged in four rows, and two signal substrates are stacked and clamped between two adjacent ground substrates.

Referring to fig. 6 in combination with fig. 2 and fig. 3, an insertion groove 101 is recessed on an outer surface of the insulating body 1. The insertion groove 101 is disposed corresponding to one row of the conductive terminals 2. In the present application, the low crosstalk high speed receptacle electrical connector further includes a grounding serial connector 3, and the grounding serial connector 3 is formed with a body portion 31 combined in the insertion slot 101 and a contact piece 32 integrally connected to the body portion 31 and overlapping the corresponding grounding terminal 202. Through a plurality of ground terminal 202 concatenates in a row of conductive terminal through ground connection piece 3, realize the equipotential, and then realize better ground effect, improve anti crosstalk ability simultaneously, and then realize high-efficient and stable of transmission of high-speed signal.

Referring to fig. 2 to 7, the insulating body 1 includes a front thin portion 11 and a thickened portion 12 located at a rear end of the front thin portion 11. The front end thin portion 11 forms the insertion cavity 10. The front thin portion 11 and the thickened portion 12 form a step-like structure (not numbered) on the outer surface of the joint position and form an elevated surface 120 (see fig. 3 and 6). An included angle larger than 0 degree is formed between the elevated surface 120 and the horizontal plane, and the insertion groove 101 is formed by inward sinking of the elevated surface 120 of the insulating body 1. In the present application, the elevated surface 120 is preferably disposed parallel to the front end surface 100 of the insulating housing 1. The body 31 extends in a horizontal direction in a plate shape. The body portion 31 is inserted into the insertion groove 101 along the insertion direction of the mating connector and is fixed to the insertion groove 101.

Referring to fig. 2 to 7, the contact piece 32 is formed by further extending and bending the front end edge of the main body 31, and an included angle (not numbered) is formed between the contact piece 32 and the main body 31, and the included angle is greater than 0 degree and not greater than 90 degrees. In the present application, it is preferable that the included angle is not less than 60 degrees and not more than 90 degrees. A material cutting part 221 is formed on the grounding terminal 202 corresponding to the grounding serial connection piece 3, the material cutting part 221 is formed by cutting the position connected with the material belt, and the material cutting part 221 is exposed to the insulation body 1. The contact piece 32 is correspondingly overlapped with the material breaking part 221.

In the present application, the local position of the ground terminal 202 for overlapping the ground connector 3 is designed as the material breaking portion 221 that breaks away from the material tape, and the material breaking portion 221 that originally needs to be exposed outside the insulating main body 1 is used, so that it is not necessary to design the position of the ground terminal 202 at another position of the insulating main body 1. The overall manufacturing process of the low-crosstalk high-speed socket electric connector is simplified. In addition, in the present application, the extending direction of the main body 31 is taken as the assembling direction of the insulating housing 1, so that a larger combining position can be designed between the main body 31 and the insulating housing 1 without excessively increasing the overall height of the low crosstalk high-speed receptacle electrical connector. The self structural characteristics of the low-crosstalk high-speed socket electric connector are fully utilized. In addition, in the present application, the grounding string 3 is exposed out of the insulating housing 1 and does not protrude out of the outer surface of the insulating housing 1.

Referring to fig. 6 in combination with fig. 2, fig. 3 and fig. 4, a step-shaped structure (not numbered) is formed at the joint position of the upper surface of the front end thin portion 11 and the thickened portion 12 and forms an elevated surface 120, a step-shaped structure (not numbered) is formed at the joint position of the lower surface of the front end thin portion 11 and the thickened portion 12 and forms an elevated surface 120, an insertion groove 101 is formed on each of the two elevated surfaces 120, a grounding serial-connection member 3 is combined in each of the insertion grooves 101, and the two grounding serial-connection members 3 are respectively and correspondingly overlapped with the grounding terminals 202 in the two rows of conductive terminals 2.

Referring to fig. 6 in combination with fig. 2, 3 and 4, two front thin portions 11 are combined at the front end of the thickened portion 12, and the two front thin portions 11 are spaced apart from each other in the vertical direction.

Although the present application has been described in detail with reference to preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the present application.

The above description is only a part of the embodiments of the present application, and not all embodiments, and any equivalent changes to the technical solutions of the present application, which are made by those skilled in the art through reading the present specification, are covered by the claims of the present application.

Claims (10)

1. The utility model provides a high-speed socket electric connector of low crosstalk, include insulator and combine in a plurality of conductive terminal in the insulator, insulator's preceding terminal surface is inwards sunken to be formed with and inserts the chamber, each conductive terminal is including exposing to inserting the contact site that the intracavity corresponds and dock the connector contact, the contact site is two rows of arrangements and sets up in the upper and lower internal face that inserts the chamber, includes a plurality of signal terminal and a plurality of ground terminal that arrange according to specific order in the same row of conductive terminal, insulator's outside surface depression has the insertion groove, the insertion groove corresponds one of them row of conductive terminal setting, its characterized in that: the grounding serial connection piece comprises a body part combined in the insertion groove and a contact piece which is integrally connected with the body part and is lapped with the corresponding grounding terminal.

2. The low crosstalk, high speed receptacle electrical connector of claim 1, wherein: the insulation body comprises a front end thin portion and a thickened portion located at the rear end of the front end thin portion, the front end thin portion forms the insertion cavity, the front end thin portion and the thickened portion form a step-shaped structure on the outer surface of a joint position and form an elevated surface, an included angle larger than 0 degree is formed between the elevated surface and the horizontal plane, and the insertion groove is formed by inwards sinking the elevated surface of the insulation body.

3. The low crosstalk, high speed receptacle electrical connector of claim 2, wherein: the elevated surface is parallel to the front end surface of the insulating body.

4. The low crosstalk, high speed receptacle electrical connector of claim 2, wherein: the body part extends along the horizontal direction and is in a plate shape, and the body part is inserted into the insertion groove along the insertion direction of the butting connector.

5. The low crosstalk, high speed receptacle electrical connector of claim 1, wherein: the contact piece is formed by further extending and bending the front end edge of the body part, an included angle is formed between the contact piece and the body part, and the included angle is larger than 0 degree and not larger than 90 degrees.

6. The low crosstalk, high speed receptacle electrical connector of claim 5, wherein: the included angle is not less than 60 degrees and not more than 90 degrees.

7. The electrical low crosstalk high speed receptacle connector of any of claims 1 to 6, wherein: the grounding terminal is provided with a material breaking part which is formed after the material belt is broken and is exposed out of the insulating body, and the contact piece is correspondingly lapped with the material breaking part.

8. The electrical low crosstalk high speed receptacle connector of any of claims 2 to 6, wherein: the upper surface of the front end thin portion and the joint position of the thickened portion form a step-shaped structure and form an elevated surface, the lower surface of the front end thin portion and the joint position of the thickened portion form a step-shaped structure and form an elevated surface, insertion grooves are formed in the two elevated surfaces, a grounding series connection piece is combined in each insertion groove, and the two grounding series connection pieces are correspondingly lapped with the grounding terminals in the two rows of conductive terminals respectively.

9. The electrical low crosstalk high speed receptacle connector of any of claims 1 to 6, wherein: the grounding series connection piece is exposed out of the insulating body and does not protrude out of the outer surface of the insulating body.

10. The low crosstalk, high speed receptacle electrical connector of claim 2, wherein: the front end of thickening portion combines there are two front end thin shape portions, two the thin shape portion of front end sets up along upper and lower direction interval, low crosstalk high-speed socket electric connector still includes the metal shielding cage, the metal shielding cage covers locates the insulator periphery.

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