Electric connector

Abstract

The utility model provides an electric connector which comprises an insulation body, a row of first conductive terminals arranged on the insulation body and an insulation frame body, the insulation frame body is sleeved outside the insulation body and the first conductive terminals, a first end face of the insulation frame body is concavely arranged to form a butt joint groove, and a second end face opposite to the first end face is concavely arranged to form an installation groove. Each first conductive terminal comprises a fixed part, a contact part and a pin part, the fixed part is fixedly held on the insulating body, the contact part and the pin part respectively extend from two ends of the fixed part, and the row of first conductive terminals are arranged along a first direction and comprise a plurality of first signal terminals and first grounding terminals; the first metal shielding piece comprises a base part located on the outer side of the first conductive terminal, a shielding part extending into the mounting groove from the base part, and a connecting part electrically connected to the first grounding terminal. The metal shielding piece is arranged on the outer side of the conductive terminal so as to shield crosstalk of external signals.

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. CN107994402A discloses an electrical connector, comprising an insulating body extending along a first direction, an insulating frame sleeved on the outside of the insulating body, and two rows of conductive terminals fixed to the insulating body. When transmitting high-frequency signals, the lack of shielding members outside the two rows of conductive terminals will cause external signal crosstalk, thereby affecting high-frequency performance.

[0003] Therefore, it is necessary to provide a new electrical connector to overcome the above-mentioned defects. [Utility Model Content]

[0004] The utility model aims to provide a high-frequency signal-to-power electrical connector.

[0005] The purpose of the utility model is achieved through the following technical solutions: an electrical connector, comprising an insulating body, a row of first conductive terminals arranged on the insulating body and an insulating frame, the insulating frame is sleeved outside the insulating body and the first conductive terminals, the first end face of the insulating frame is recessed to form a docking groove, and the second end face opposite to the first end face is recessed to form a mounting groove, each of the first conductive terminals includes a fixed portion fixed to the insulating body, an elastic contact portion and a pin portion extending from both ends of the fixed portion respectively, a row of the first conductive terminals is arranged along a first direction and includes a plurality of first signal terminals and a plurality of first grounding terminals, the electrical connector also includes a first metal shielding member, the first metal shielding member includes a base located on one side of the first conductive terminal, a shielding portion extending from the base to form the insulating body and located on one side of the contact portion, and a connecting portion electrically connecting the plurality of first grounding terminals.

[0006] Furthermore, 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 shielding portion covers all the elastic arms of the first conductive terminals in the first direction, and the shielding portion does not have any openings.

[0008] Furthermore, the electrical connector also includes a row of second conductive terminals opposite to the first conductive terminals in a second direction, 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 the 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 grounding terminals are arranged alternately with each other, the second signal terminal pairs include two second signal terminals, the electrical connector also includes a second metal shielding member, the second metal shielding member includes a base fixed to the insulating body, a shielding portion extending from the base into the mounting groove, and a connecting portion electrically connected to the second grounding terminal, the shielding portion of the second metal shielding member is located on the outside of the second conductive terminal in the second direction.

[0009] Furthermore, the insulating body includes a first insulator and a second insulator, the first insulator is molded outside a row of the first conductive terminals and the first metal shielding member, the second insulator is molded outside a row of the second conductive terminals and the second metal shielding member, and the connecting portion is molded inside the insulating body, 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.

[0010] Furthermore, the first conductive terminal has an inner surface for docking and an outer surface opposite to the inner surface, and the electrical connector also includes a first inner shielding member electrically connected to the inner surface of the ground terminal.

[0011] Furthermore, the first metal shielding member and the first inner shielding member are independent components that jointly clamp the fixing portion of the first conductive terminal.

[0012] Furthermore, the first metal shielding member is formed by integrally stamping and bending a metal plate, the shielding portion is a flat plate-shaped structure extending in the first direction, and the shielding portion and the first grounding terminal are spaced apart in the second direction.

[0013] Furthermore, the insulating frame includes a pair of side walls extending along a first direction and a pair of end walls connecting the side walls, the side walls and the end walls are arranged to form the docking groove, the shielding portion and the side walls are spaced apart in the second direction, and the base is a flat plate-like structure extending in the first direction and is arranged coplanar with the shielding portion.

[0014] Furthermore, the base of the first metal shield is torn inwardly at a position corresponding to the first grounding terminal and is bent toward upper and lower sides respectively to form a pair of connecting parts, and the connecting parts are welded and fixed to the fixing part of the first grounding terminal.

[0015] Compared with the prior art, the present invention has the following beneficial effects: in the present invention, the two rows of conductive terminals are respectively provided with a first metal shielding member and a second metal shielding member on the outside in the second direction, and the shielding parts of the first metal shielding member and the second metal shielding member extend into the docking groove to shield the signal crosstalk of the external signal to the contact part.

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 of the utility model.

[0019] Figure 4 It is a three-dimensional exploded view of the first conductive terminal, the second conductive terminal and the shielding component after being assembled in the utility model.

[0020] Figure 5 yes Figure 4 Further exploded view.

[0021] Figure 6 yes Figure 1 Section view along line AA.

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

[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 present invention is described. The electrical connector 100 includes an insulating body 1 , an insulating frame 2 sleeved on the outer side of the insulating body 1 , and conductive terminals 3 arranged along a first direction and fixed on the insulating body 1 .

[0025] The insulating frame 2 includes a pair of side walls 21 extending in a first direction, and a pair of end walls 22 connecting the pair of side walls 21 in a second direction perpendicular to the first direction. The insulating frame 2 includes a first end face located at the top and a second end face located at the bottom corresponding to the first end face, and the insulating frame 2 has a docking groove 23 formed by a recessed arrangement from the first end face and a mounting groove 24 formed by a recessed arrangement from the second end face, and the docking groove 23 and the mounting groove 24 are arranged through in the vertical direction. The conductive terminals 3 include a first conductive terminal 31 and a second conductive terminal 32 arranged opposite to each other in the second direction, and the two rows of conductive terminals 3 include an inner surface located on the inner side close to the conductive terminals on the opposite side and an outer surface relative to the inner surface.

[0026] Please refer to Figure 3 and Figure 4 As shown, the conductive terminal 3 includes a first conductive terminal 31 and a second conductive terminal 32 arranged in a first direction, and the first conductive terminal 31 and the second conductive terminal 32 are arranged opposite to each other in a second direction. The two rows of conductive terminals 3 include a fixing portion 33 fixed to the insulating body 1, a pin portion 34 extending downward from the lower end of the fixing portion 33 to electrically connect the insulating body 1 to an external circuit board (not shown), and an elastic arm 35 extending from the upper end of the fixing portion 33 to elastically deform the insulating body 1. The elastic arm 35 is received in the mounting groove 24 and has a contact portion 36 extending into the docking groove 23 to electrically connect to a docking connector (not shown). The insulating body 1 includes a first insulator 11 formed outside the first conductive terminal 31 and a second insulator 12 formed outside the second conductive terminal 32. The first insulator 11 and the second insulator 12 both have an I-shaped protrusion 13 protruding in the opposite direction, and a concave portion 14 formed concavely relative to the protrusion 13. The first insulator 11 and the second insulator 12 are assembled and fixed to each other from bottom to top through the convex portion 13 and the concave portion 14, and are further assembled from bottom to top into the mounting groove 24 of the insulating frame 2. Of course, the first insulator 11 and the second insulator 12 can also cooperate with each other through other plug-in mechanisms.

[0027] Please combine Figures 5 to 7 As shown, the first conductive terminal 31 has a plurality of first signal terminal pairs 311 and first ground terminals G1 alternately arranged in a first direction, and each first signal terminal pair 311 includes two first signal terminals S1. Similarly, the second conductive terminal 32 has a plurality of second signal terminal pairs 321 and second ground terminals G2 alternately arranged in a first direction, and each second signal terminal pair 321 includes two second signal terminals S2.

[0028] The electrical connector 100 further includes a first metal shield 41 electrically integrating a plurality of the first ground terminals G1, and a second metal shield 42 electrically integrating a plurality of the second ground terminals G2, so as to improve the crosstalk resonance phenomenon. In this embodiment, the first metal shield 41 includes a base 411 provided corresponding to the outer surface of the first conductive terminal 31, a shielding portion 412 extending from the base 411 into the mounting groove 24, and a connecting portion 413 electrically connected to the first ground terminal G1. The second metal shield 42 includes a base 411 fixed to the second insulator 12, a shielding portion 412 extending from the base 411 into the mounting groove 24, and a connecting portion 413 electrically connected to the second ground terminal G2. The first insulator 11 and the second insulator 12 are respectively molded outside the base and the connecting portion of the first metal shield 41 and the second metal shield 42, and the shielding portion 412 extends from the base 411 out of the first insulator 11 and the second insulator 12, and is exposed to the air. In other embodiments, the base 411 and the shielding portion 412 may also be exposed from the insulating body 1 or directly disposed outside the insulating body 1, and the first metal shielding member 41 and the second metal shielding member 42 are only welded and fixed to the first grounding terminal G1 and the second grounding terminal G2 through the connecting portion 413. The shielding portion 412 of the first metal shielding member 41 and the second metal shielding member 42 spans across all the elastic arms 35 of the first conductive terminal 31 and the second conductive terminal 32 in the first direction, and is located outside the elastic arms 35 of the first conductive terminal 31 and the second conductive terminal 32 in the second direction. The shielding portion 412 is a complete flat plate structure without any opening formed by the connection portion 413, so as to shield the crosstalk of the external signal to the elastic arm 35.

[0029] For details, please refer to Figure 6 and Figure 7As shown, the first metal shield 41 and the second metal shield 42 are respectively formed by stamping and bending a metal plate. The shielding part 412 and the base 411 are flat plate structures extending in the first direction, and the shielding part 412 and the base 411 are arranged coplanarly. The base 411 of the first metal shield 41 is torn to form a pair of connecting parts 413 corresponding to the position of each first grounding terminal G1, and the pair of connecting parts 413 are bent and extended toward the upper and lower sides respectively and welded to the fixing part 33 of the first grounding terminal G1. A first inner shield 43 is also arranged on the inner side of the first conductive terminal 31. The first inner shield 43 includes a connecting part 413 welded and fixed to the first grounding terminal G1, and a base 411 integrally connecting the connecting parts. A second inner shield 44 is correspondingly arranged on the inner side of the second conductive terminal 32. The second metal shield 42 and the second inner shield 44 are symmetrically arranged with the first metal shield 41 and the first inner shield 43 in the second direction. The bases 411 of the first inner shield 43 and the second inner shield 44 are located inside the first conductive terminal 31 and the second conductive terminal 32 to jointly shield signal crosstalk between the first conductive terminal 31 and the second conductive terminal 32 .

[0030] The base 411 and the connecting portion 413 of the first metal shield 41 and the second metal shield 42 are respectively formed in the first insulator 11 and the second insulator 12, and are assembled from bottom to top with the insulating body 1 into the mounting groove 24 of the insulating frame 2. The shielding portion 412 of the first metal shield 41 is received in the mounting groove 24, and is spaced between the first conductive terminal 31 and the closest side wall 21 in the second direction, and does not contact the first conductive terminal 31 and the side wall 21. The shielding portion 412 of the second metal shield 42 is also spaced between the second conductive terminal 32 and the side wall 21 in the second direction.

[0031] The first inner shield 43 and the first metal shield 41 are two independent components, which are respectively located at the inner and outer sides of the first conductive terminal 31 in the second direction, and jointly clamp the first conductive terminal 31. The second inner shield 44 and the second metal shield 42 are respectively located at the inner and outer sides of the second conductive terminal 32 in the second direction, and jointly clamp the second conductive terminal 32. The first inner shield 43 and the second inner shield 44 are respectively welded and fixed to the first conductive terminal 31 and the second conductive terminal 32, and then molded in the first insulator 11 and the second insulator 12.

[0032] 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, a row of first conductive terminals arranged on the insulating body, and an insulating frame, wherein the insulating frame is sleeved outside the insulating body and the first conductive terminals, a first end surface of the insulating frame is concavely formed to form a docking groove, and a second end surface opposite to the first end surface is concavely formed to form a mounting groove, each of the first conductive terminals comprises a fixed portion fixed to the insulating body, an elastic contact portion and a pin portion respectively extending from both ends of the fixed portion, a row of the first conductive terminals is arranged along a first direction and comprises a plurality of first signal terminals and a plurality of first ground terminals, characterized in that: The electrical connector also includes a first metal shielding member, which includes a base located on one side of the first conductive terminal, a shielding portion located on one side of the contact portion formed by the insulating body extending from the base, and a connecting portion electrically connecting a plurality of the first grounding terminals.

2. The electrical connector according to claim 1, wherein: 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, wherein: The shielding portion covers all the elastic arms of the first conductive terminals in a first direction, and the shielding portion does not have any opening.

4. The electrical connector according to claim 1, wherein: The electrical connector also includes a row of second conductive terminals opposite to the first conductive terminals in a second direction, 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 the 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 grounding terminals are arranged alternately with each other, the second signal terminal pairs include two second signal terminals, the electrical connector also includes a second metal shielding member, the second metal shielding member includes a base fixed to the insulating body, a shielding portion extending from the base into the mounting groove, and a connecting portion electrically connected to the second grounding terminal, the shielding portion of the second metal shielding member is located on the outside of the second conductive terminal in the second direction.

5. The electrical connector according to claim 4, wherein: The insulating body includes a first insulator and a second insulator, the first insulator is molded outside a row of the first conductive terminals and the first metal shielding component, the second insulator is molded outside a row of the second conductive terminals and the second metal shielding component, and the connecting portion is molded in the insulating body, 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.

6. The electrical connector according to claim 1, wherein: The first conductive terminal has an inner surface for mating and an outer surface opposite to the inner surface. The electrical connector also includes a first inner shielding member electrically connected to the inner surface of the ground terminal.

7. The electrical connector according to claim 6, wherein: The first metal shielding member and the first inner shielding member are independent components, and jointly clamp the fixing portion of the first conductive terminal.

8. The electrical connector according to claim 1, wherein: The first metal shielding member is formed by integrally stamping and bending a metal plate. The shielding portion is a flat plate-shaped structure extending in a first direction, and the shielding portion and the first grounding terminal are spaced apart in a second direction.

9. The electrical connector according to claim 1, wherein: The insulating frame includes a pair of side walls extending along a first direction and a pair of end walls connecting the side walls, the side walls and the end walls are arranged to form the docking groove, the shielding part is spaced apart from the side walls in the second direction, and the base is a flat plate-like structure extending in the first direction and is coplanar with the shielding part.

10. The electrical connector according to claim 1, wherein: The base of the first metal shield is torn inwardly at a position corresponding to the first grounding terminal and is bent toward upper and lower sides respectively to form a pair of connecting parts, and the connecting parts are welded and fixed to the fixing part of the first grounding terminal.

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