Electric connector

Abstract

The utility model provides an electric connector which comprises an insulation body and first conductive terminals arranged on the insulation body, a row of the first conductive terminals are arranged along a first direction and comprise first signal terminal pairs and first grounding terminals, the first signal terminal pairs and the first grounding terminals are arranged alternately, and the first signal terminal pairs and the first grounding terminals are arranged alternately. The electric connector also comprises a first shielding member which connects the plurality of first grounding terminals with each other. The first shielding piece comprises a base part formed by extending along a first direction, a plurality of connecting parts which extend from the base part and are connected to each first grounding terminal, and a shielding part which bends and extends from the base part and covers the first signal terminal pair, and the shielding part and the first signal terminals are arranged at intervals. According to the utility model, the plurality of first grounding terminals in the same row are integrally connected through the first shielding piece, crosstalk of external signals is shielded, and the high-frequency performance is good.

Description

[Technical field]

[0001] The utility model relates to an electric connector, in particular to an electric connector with good high frequency performance. [Background technology]

[0002] Chinese invention patent application No. CN107706675A discloses an electrical connector, including an insulating body and two rows of conductive terminals arranged on the insulating body, each row of conductive terminals is provided with a plurality of ground terminals and a plurality of signal terminals, and signal crosstalk may exist between the signal terminals.

[0003] Therefore, it is necessary to provide a new electrical connector assembly to overcome the above-mentioned defects. [Contents of the utility model]

[0004] The utility model aims to provide an electrical connector with good high-frequency performance.

[0005] The objective of the utility model is achieved through the following technical solutions: an electrical connector, comprising an insulating body and a row of first conductive terminals arranged on the insulating body, the first conductive terminals comprising a fixed portion fixed to the insulating body, a contact portion and a pin portion respectively extending from two ends of the fixed portion, a row of the first conductive terminals being arranged along a first direction and comprising a plurality of first signal terminal pairs and a plurality of first grounding terminals, the first signal terminal pairs and the first grounding terminals being arranged alternately with each other, the first signal terminal pairs comprising two first signal terminals, the electrical connector further comprising a first shielding member connecting the plurality of first grounding terminals to each other, the first shielding member comprising a base extending along the first direction, a plurality of connecting portions extending from the base and respectively connected to a plurality of the first grounding terminals, and a shielding portion extending from the base and covering the first signal terminal pairs, the shielding portion being spaced apart from the first signal terminals.

[0006] Furthermore, the insulating body is recessed to form a docking groove, the upper end of the fixing portion of the first conductive terminal extends to form an elastic arm, the lower end of the fixing portion extends to form the pin portion, and the elastic arm is provided with the contact portion protruding into the docking groove.

[0007] Furthermore, the connecting portion of the first shielding member is welded and fixed to the outer surface of the elastic arm of the first grounding terminal, and the shielding portion covers the outer surface of the first signal terminal pair.

[0008] Furthermore, the connecting portion and the shielding portion of the first shielding member are disposed on the same side of the base in the up-down direction.

[0009] Furthermore, the first shielding member is formed by integrally stamping and bending a metal plate, the connecting portion and the shielding portion are both flat plate structures extending from the base portion by bending, and the plane where the connecting portion is located is parallel to the plane where the shielding portion is located.

[0010] Furthermore, the base is perpendicular to the plane where the connecting portion is located.

[0011] Further, the electrical connector also includes a row of second conductive terminals located on opposite sides of the docking groove with the row of first conductive terminals, the row of second conductive terminals including a fixed portion fixed to the insulating body, elastic arms and pin portions having contact portions extending from upper and lower ends of the fixed portion respectively, the row of second conductive terminals is arranged along a first direction and includes a plurality of second signal terminal pairs and a plurality of second grounding terminals, the second signal terminal pairs and the second grounding terminals are arranged alternately with each other, the second signal terminal pairs include two second signal terminals, a second shielding member connecting the second grounding terminals to each other is arranged on the outer side of the second conductive terminals, the second shielding member includes a base extending along the first direction, a plurality of connecting portions extending from the base and connected to each of the second grounding terminals, and a shielding portion extending and bending from the base and covering the second signal terminal pair, the shielding portion being spaced apart from the second signal terminals.

[0012] Furthermore, the insulating body includes a first insulator, a second insulator and an insulating frame, the docking groove is recessed in the insulating frame, a row of the first conductive terminals is injection molded on the first insulator, a row of the second conductive terminals is injection molded on the second insulator, the first insulator and the second insulator are assembled and fixed to each other and then assembled into the insulating frame from bottom to top.

[0013] Furthermore, the first shielding member and the second shielding member are arranged outside the first insulator and the second insulator, and are received in the docking groove.

[0014] Furthermore, each of the shielding portions is disposed between two adjacent connecting portions in the first direction, and a plurality of the shielding portions and a plurality of the connecting portions are alternately arranged in the first direction.

[0015] Compared with the prior art, the utility model has the following beneficial effects: a first shielding component is welded on the outer surface of the conductive terminal in the utility model, the first shielding component connects the first grounding terminals in the same row as a whole, and has a shielding portion covering the first signal terminal to the outside to shield external signal crosstalk, improve crosstalk resonance phenomenon, and have excellent high-frequency performance.

Brief Description of the Drawings

[0016] Figure 1 It is a three-dimensional diagram of the electric connector of the utility model.

[0017] Figure 2 yes Figure 1 A stereogram viewed from another direction.

[0018] Figure 3 It is a three-dimensional exploded view of the electric connector in the utility model.

[0019] Figure 4 It is a side view of the utility model after the first insulating body and the first conductive terminal are assembled, and the second insulating body and the second conductive terminal are assembled.

[0020] Figure 5 It is a three-dimensional exploded view of the conductive terminal, the metal shielding member, the first insulator and the second insulator of the utility model.

[0021] Figure 6 yes Figure 5 Exploded perspective view from another direction.

[0022] Figure 7 yes Figure 1 Section view along line AA.

[0023] The following specific implementation manner will further illustrate the present utility model in conjunction with the above-mentioned drawings. [Specific implementation method]

[0024] The following will be combined Figures 1 to 7 The electrical connector 100 of the utility model includes an insulating body 1, two rows of conductive terminals 2 extending along a first direction and arranged on the insulating body 1, and a metal shielding member 3 welded and fixed to the conductive terminals 2, wherein the two rows of conductive terminals 2 are spaced apart in a second direction perpendicular to the first direction.

[0025] Please refer to Figures 1 to 3 and Figure 7As shown, the insulating body 1 includes a first insulator 11 and a second insulator 12 for respectively holding two rows of the conductive terminals 2, and an insulating frame 13 sleeved outside the first insulator 11 and the second insulator 12. The insulating frame 13 includes a pair of side walls 131 extending in a first direction and a pair of end walls 132 extending in a second direction to connect the pair of side walls 131. The first insulator 11 and the second insulator 12 are assembled and fixed to each other and then assembled into the insulating frame 13 from bottom to top. The side walls 131 and the end walls 132 are surrounded by a docking groove 14 for a docking connector (not shown) to enter. The two rows of the conductive terminals 2 are spaced apart in the second direction with the first conductive terminals 21 and the second conductive terminals 22, and the first conductive terminals 21 and the second conductive terminals 22 are respectively located on both sides of the docking groove 14. The first conductive terminal 21 is injection molded on the first insulator 11, and the second conductive terminal 22 is injection molded on the second insulator 12.

[0026] Please continue to combine Figures 4 to 6 As shown, the first conductive terminal 21 includes a retaining portion 211 retained on the first insulator 11, an elastic arm 212 extending from the upper end of the retaining portion 211 and extending from the first insulator 11, and a pin portion 213 extending from the lower end of the retaining portion 211 and extending from the first insulator 11. Similarly, the second conductive terminal 22 includes a retaining portion 211 retained on the second insulator 12, an elastic arm 212 extending from the upper end of the retaining portion 211 and extending from the second insulator 12, and a pin portion 213 extending from the lower end of the retaining portion 211 and extending from the second insulator 12. The elastic arm 212 extends from the upper end of the retaining portion 211 into the docking slot 14, and the elastic arm 212 has a contact portion 2121 located in the docking slot 14 for docking with the docking connector (not shown).

[0027] Each row of the conductive terminals includes a plurality of signal terminal pairs and a plurality of ground terminals arranged along a first direction, wherein the first conductive terminals 21 include first signal terminal pairs and first ground terminals G1 arranged alternately and spaced apart from each other, and each first signal terminal pair includes two first signal terminals S1, and the second conductive terminals 22 include second signal terminal pairs and second ground terminals G2 arranged alternately and spaced apart from each other, and each second signal terminal pair includes two second signal terminals S2.

[0028] The electrical connector 100 further includes a metal shield 3 that connects the ground terminals in the same row. Specifically, in this embodiment, the metal shield 3 includes a first shield 31 that connects the first ground terminals G1 in the first conductive terminals 21, and a second shield 32 that connects the second ground terminals G2 in the second conductive terminals 22. The first shield 31 and the second shield 32 have the same structure. Taking the first shield 31 as an example, the first shield 31 includes a band-shaped base 311 extending along the first direction, a plurality of connecting portions 312 extending from the lower end of the base 311 and connected to each of the first ground terminals G1, and a shielding portion 313 extending from the base 311 and covering the outer surface of the first signal terminal. The first shield 31 is disposed on the outer side of the first conductive terminal 21 in the second direction, and is welded and fixed to the outer surface of the elastic arm 212 of the first conductive terminal 21 through the connecting portion 312. The shielding portion 313 is also formed by bending and extending from the lower end of the base portion 311 , and shields the outer surface of the corresponding first signal terminal pair to shield external signal crosstalk.

[0029] The first shielding member 31 is formed by integrally stamping and bending a metal plate, and the connecting portion 312 and the shielding portion 313 are both arranged as flat plate structures, which are bent and extended from the lower end of the base 311. The plane where the connecting portion 312 is located and the plane where the shielding portion 313 is located are arranged parallel to each other, and the base 311 is perpendicular to the plane where the connecting portion 312 is located. The shielding portion 313 is arranged at intervals from the first signal terminal pair. The first shielding member 31 is exposed to the outside of the first insulator 11 as a whole, and is accommodated in the docking groove 14 between a pair of the side walls 131. Each of the shielding portions 313 is arranged between two adjacent connecting portions 312 in the first direction, and the shielding portions 313 and the connecting portions 312 are arranged alternately and at intervals with each other in the first direction to improve signal crosstalk between signal terminals. Of course, the positional relationship between the plane where the base 311 is located and the plane where the connecting portion 312 is located, as well as the positional relationship between the planes where the connecting portion 312 and the shielding portion 313 are located may also be intersecting, and can be adaptively adjusted according to the deformation range of the elastic arm 212 and the gap with the side wall 131, without being limited to the limitations of the illustrated embodiment.

[0030] The above description is only part of the implementation methods of the utility model, not all of the implementation methods. Any equivalent changes made to the technical solution of the utility model by ordinary technicians in this field after reading the specification of the utility model are covered by the claims of the utility model.

Claims

1. An electrical connector, comprising an insulating body and a row of first conductive terminals disposed on the insulating body, wherein the first conductive terminals include a fixed portion fixed to the insulating body, a contact portion and a pin portion respectively extending from two ends of the fixed portion, the row of the first conductive terminals is arranged along a first direction and includes a plurality of first signal terminal pairs and a plurality of first grounding terminals, the first signal terminal pairs and the first grounding terminals are alternately arranged, the first signal terminal pairs include two first signal terminals, Features: The electrical connector also includes a first shielding member connecting multiple first grounding terminals to each other, the first shielding member includes a base extending along a first direction, multiple connecting portions extending from the base and respectively connected to several first grounding terminals, and a shielding portion extending and bending from the base and covering the first signal terminal pair, the shielding portion is spaced apart from the first signal terminals.

2. The electrical connector according to claim 1, Features: The insulating body is recessed to form a docking groove, the upper end of the fixing portion of the first conductive terminal extends to form an elastic arm, the lower end of the fixing portion extends to form the pin portion, and the elastic arm is provided with the contact portion protruding into the docking groove.

3. The electrical connector according to claim 2, Features: The connecting portion of the first shielding member is welded and fixed to the outer surface of the elastic arm of the first grounding terminal, and the shielding portion covers the outer surface of the first signal terminal pair.

4. The electrical connector according to claim 2, Features: The connecting portion and the shielding portion of the first shielding member are disposed on the same side of the base in a vertical direction.

5. The electrical connector according to claim 2, Features: The first shielding member is formed by integrally stamping and bending a metal plate. Both the connecting portion and the shielding portion are flat plate structures extending from the base portion by bending. The plane where the connecting portion is located is parallel to the plane where the shielding portion is located.

6. The electrical connector according to claim 5, Features: The base portion is perpendicular to the plane where the connecting portion is located.

7. The electrical connector according to claim 2, Features: The electrical connector also includes a row of second conductive terminals located on opposite sides of the docking groove with respect to the row of first conductive terminals, the row of second conductive terminals including a fixed portion fixed to the insulating body, elastic arms and pin portions having contact portions extending from upper and lower ends of the fixed portion respectively, the row of second conductive terminals being arranged along a first direction and including a plurality of second signal terminal pairs and a plurality of second grounding terminals, the second signal terminal pairs and the second grounding terminals being arranged alternately with each other, the second signal terminal pairs including two second signal terminals, a second shielding member connecting the second grounding terminals to each other is disposed on the outer side of the second conductive terminals, the second shielding member including a base extending along the first direction, a plurality of connecting portions extending from the base and connected to each of the second grounding terminals, and a shielding portion extending and bending from the base and covering the second signal terminal pair, the shielding portion being spaced apart from the second signal terminals.

8. The electrical connector according to claim 7, Features: The insulating body includes a first insulator, a second insulator and an insulating frame, the docking groove is recessed in the insulating frame, a row of the first conductive terminals is injection molded on the first insulator, a row of the second conductive terminals is injection molded on the second insulator, the first insulator and the second insulator are assembled and fixed to each other and then assembled into the insulating frame from bottom to top.

9. The electrical connector according to claim 8, Features: The first shielding member and the second shielding member are arranged outside the first insulator and the second insulator, and are received in the docking groove.

10. The electrical connector according to claim 1, Features: Each of the shielding portions is disposed between two adjacent connecting portions in the first direction, and a plurality of the shielding portions and a plurality of the connecting portions are alternately arranged in the first direction.

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