CN215418830U - Plug electric connector - Google Patents

Abstract

The utility model relates to a plug electric connector which comprises a shielding shell, an insulator, a plurality of elastic terminals and a plurality of shielding sheets. The insulator is arranged in the shielding shell, each elastic terminal is arranged on the insulator, the elastic terminals and the insulator are integrated through the molding of the shielding sheet, the production and assembly processes are reduced, the poor production and assembly loss is reduced, the first arc-shaped contact part of the shielding sheet extends towards the shielding shell and is effectively contacted with the shielding shell, and the second arc-shaped contact part extends towards the grounding terminal and is effectively contacted with the grounding terminal.

Description

Plug electric connector

Technical Field

The present invention relates to an electrical connector, and more particularly, to an electrical plug connector.

Background

The general electrical connector interface is a Universal Serial Bus (USB) that is commonly used by the public, and is developed from USB2.0 transmission specification to USB3.0 transmission specification with faster transmission speed.

The structure comprises an auxiliary rubber core combined with the upper and lower rows of elastic terminals, a plurality of hook members between the upper and lower rows of elastic terminals, an outer iron shell covered outside the rubber core, and a conductive sheet arranged on the rubber core.

Generally, each part of the USB Type-C plug electric connector is a single part and can be completed through complicated production and assembly steps, and the production and assembly are time-consuming and easily have poor loss. Furthermore, the conductive sheet has a V-shaped spring arm, and the spring arm is in contact with the elastic terminal for Ground (Ground) and the outer iron case, so that the V-shaped spring arm is liable to have unstable contact conduction.

Disclosure of Invention

In view of the above problems, the present invention provides a plug electrical connector including a shield shell, an insulator, a plurality of elastic terminals, and a plurality of shield pieces. The shield case includes a receiving groove. The insulator is arranged in the accommodating groove and comprises an inserting groove and a plurality of through holes, and each through hole is formed on two sides of the insulator and communicated with the inserting groove. Each elastic terminal is arranged on the insulator and is respectively positioned at the inner side of the slot, and each elastic terminal comprises a plurality of signal terminals, at least one power supply terminal and at least one grounding terminal. Each shielding sheet is respectively combined with two surfaces of the insulator, each shielding sheet comprises at least one side arm, a first arc-shaped contact part and a second arc-shaped contact part which are integrated, the first arc-shaped contact part extends towards the shielding shell and is contacted with the shielding shell, and the second arc-shaped contact part extends towards the grounding terminal and is contacted with the grounding terminal.

In some embodiments, the first arc-shaped contact portion extends obliquely outward from the end of the side arm, the second arc-shaped contact portion is folded back from the first arc-shaped contact portion and extends obliquely, the cross section of the first arc-shaped contact portion and the cross section of the second arc-shaped contact portion form a wavy elastic arm, and the width of the side arm is greater than the width of the first arc-shaped contact portion and the width of the second arc-shaped contact portion.

In some embodiments, the insulator has a plurality of molding regions formed on both sides thereof, and each of the shield plates is bonded to each of the molding regions.

In some embodiments, the shield includes a notch formed in the side arm.

In some embodiments, the shield plate includes a fixed arm extending diagonally outward from a shield plate side end.

In some embodiments, the insulator includes a first insulator and a second insulator symmetrically combined, the first insulator defines a first inner mounting space, the second insulator defines a second inner mounting space, and the first inner mounting space and the second inner mounting space form a slot.

In some embodiments, the plurality of elastic terminals include a plurality of first elastic terminals and a plurality of second elastic terminals, the plug electrical connector further includes a first combining block and a second combining block, the first combining block is combined with each first elastic terminal and disposed in the first inner side installation space of the first insulator, and the second combining block is combined with each second elastic terminal and disposed in the second inner side installation space of the second insulator.

In some embodiments, each of the first elastic terminals includes a first contact section, a first connection section and a first welding section, the first connection section is disposed on the first combining block, the second arc-shaped contact portion of the shielding plate contacts the first connection section located at the side of the first combining block, the first contact section extends from one side of the first connection section to the slot, and the first welding section extends from the other side of the first connection section to penetrate through the first combining block.

In some embodiments, each of the second elastic terminals includes a second contact section, a second connection section and a second soldering section, the second connection section is disposed on the second combining block, the second arc-shaped contact portion of the shielding plate contacts the second connection section located on the side of the second combining block, the second contact section extends from one side of the second connection section to the slot, and the second soldering section extends from the other side of the second connection section to penetrate through the second combining block.

In some embodiments, the first combining block comprises a first groove, the first groove is positioned at the side edge of the first grounding terminal, one edge of the first second arc-shaped contact part is contacted with the first grounding terminal, and the other edge of the first second arc-shaped contact part corresponds to the first groove; the second combination block comprises a second groove, the second groove is positioned on the side edge of the second grounding terminal, one edge of the second arc-shaped contact part is contacted with the second grounding terminal, and the other edge of the second arc-shaped contact part corresponds to the second groove.

In summary, according to some embodiments, the shielding sheet and the insulator are integrally formed, so as to reduce the number of assembly steps and the loss of assembly defects. And, set up with integrative side arm, first arc contact site and second arc contact site of shielding piece, first arc contact site extend towards shielding shell and effective contact in shielding shell, the second arc contact site extend towards the earth terminal and effective contact in the earth terminal, when the plug electric connector docks with the socket electric connector, with the shielding piece of plug electric connector and the EMI conducting strip contact of socket electric connector and effective conduction ground connection, prevent the effect of electronic interference, suppression noise.

Drawings

Fig. 1 is a schematic diagram illustrating an external appearance according to some embodiments, and a dotted line shows a position of a shield sheet in a shield case.

FIG. 2 is a schematic diagram illustrating a front exploded view according to some embodiments.

FIG. 3 is a schematic diagram illustrating a backside exploded view according to some embodiments.

Fig. 4 is an exploded view of a first insulator and a shield segment according to some embodiments.

Fig. 5 is an exploded view of a second insulator and shield segments according to some embodiments.

Fig. 6 is an exploded view of a first bonding block, a first insulator and a shield plate according to some embodiments.

Fig. 7 is an external view schematically showing the shield case shown in fig. 1, in a state where the shield case is removed.

Fig. 8 is a schematic cross-sectional view of the a-a lead shown in fig. 1.

Fig. 9 is an enlarged schematic view of drawing the mark B shown in fig. 8.

Fig. 10 is a schematic external view of fig. 1, showing the relative relationship between the shield plate and each of the first elastic terminals.

Fig. 11 is a schematic top view of the system shown in fig. 10.

Description of the symbols

100 plug electric connector

1: shielding case

11: storage tank

13, buckling and holding piece

2: insulator

2a forming area

20: slot

2' a first insulator

20' first inner side installation space

21' a first buckle slot

22' perforation

23'. The bump

2' a second insulator

20' the second inner side installation space

21' a second locking groove

22' is perforated

23' < bump >

3 first elastic terminal

31 the first signal terminal

32 first power supply terminal

33 first ground terminal

35 first contact section

36 first connection section

37 first welding section

4: first combining block

41 first block

42 first fixing structure

43 concave part

44 first groove

6: second elastic terminal

61 second signal terminal

62 second power supply terminal

63 second ground terminal

65 second contact section

66 second connection section

67 second welding section

7: second coupling block

71 second latch block

72 second fixing structure

73 concave part

74 second groove

8: shielding sheet

81 side arm

811 concave hole

82 first arc contact part

83 second arc-shaped contact part

84 fixing arm

9: metal part

91, fastening hole

And 93 side arm.

Detailed Description

Referring to fig. 1 to 3, fig. 1 is an external view schematically showing a position of the shield plate 8 in the shield case 1 by a dotted line, fig. 2 is an exploded front view, and fig. 3 is an exploded rear view. In some embodiments, the plug electrical connector 100 may be USB Type-C connection interface specification, and the plug electrical connector 100 includes a shielding shell 1, an insulator 2, a plurality of elastic terminals and a plurality of shielding plates 8. The insulator 2 may be a one-piece structure or a multi-piece structure combined with each other, and the plurality of elastic terminals may be arranged in a single row or a double row by a plurality of terminals including a first elastic terminal 3 and a second elastic terminal 6.

In some embodiments, the shield case 1 includes a receiving groove 11.

In some embodiments, the insulator 2 is disposed in the receiving groove 11, and the insulator 2 includes a slot 20 (as shown in fig. 8) and a plurality of through holes 22 '/22', each of the through holes 22 '/22' being formed on both sides (upper and lower surfaces) of the insulator 2 and communicating with the slot 20.

In some embodiments, each of the elastic terminals is disposed on the insulator 2 and respectively located at upper and lower portions inside the slot 20, and each of the elastic terminals includes a plurality of signal terminals (e.g., the first signal terminal 31 and the second signal terminal 61), at least one power terminal (e.g., the first power terminal 32 and the second power terminal 62), and at least one ground terminal (e.g., the first ground terminal 33 and the second ground terminal 63).

In some embodiments, each shielding plate 8 is respectively combined with two sides of the insulator 2, each shielding plate 8 includes at least one side arm 81, a first arc-shaped contact portion 82 and a second arc-shaped contact portion 83, the first arc-shaped contact portion 82 extends toward the shielding shell 1 and contacts the shielding shell 1, and the second arc-shaped contact portion 83 extends toward the ground terminal and contacts the ground terminal. As seen in the top view of fig. 11, the width of the side arm 81 is larger than the widths of the first arc contact portion 82 and the second arc contact portion 83.

Referring to fig. 2, 4 to 5, fig. 4 is an exploded view illustrating the first insulator 2 'and the shield plate 8, and fig. 5 is an exploded view illustrating the second insulator 2' and the shield plate 8. In some embodiments, the first arc-shaped contact portion 82 extends obliquely outward from the end of the side arm 81, the second arc-shaped contact portion 83 is folded back from the first arc-shaped contact portion 82 and extends obliquely, and the cross sections of the first arc-shaped contact portion 82 and the second arc-shaped contact portion 83 form a spring arm with a wavy (e.g., N-shaped or S-shaped) appearance.

Referring to fig. 2, 4 to 5, in some embodiments, a plurality of molding regions 2a are formed on two surfaces (an upper surface and a lower surface) of the insulator 2, the shielding plates 8 are respectively bonded to the molding regions 2a, and the surfaces of the shielding plates 8 are exposed along with the two surfaces of the insulator 2.

Referring to fig. 4 to 5, 7 and 8, fig. 7 is a schematic view showing an appearance as shown in fig. 1, showing a state where the shield case 1 is removed. FIG. 8 is a cross-sectional view of the lead of FIG. 1A-A. The plurality of shielding plates 8 include a first shielding plate and a second shielding plate, and the first shielding plate and the second shielding plate respectively include a plurality of first elastic arms and second elastic arms extending into the slots 20 (as shown in fig. 8). The first shield piece is assembled to the first insulator 2 ', the first insulator 2' is assembled with the first combination block 4 to form a half part, the second shield piece is assembled to the second insulator 2 ', the second insulator 2' is assembled with the second combination block 7 to form a half part, and the half part is integrated with the upper half part and the lower half part and then assembled in the shield shell 1.

Referring to fig. 4-5, 7 and 8, in some embodiments, the shield plate 8 includes recesses 811, the recesses 811 formed in the side arms 81, and the projections 23'/23 ″ formed in the recesses 811 (as shown in fig. 7) to secure the shield plates 8 when the insulator 2 is injection molded. The shield plate 8 includes fixing arms 84, and the fixing arms 84 extend obliquely outward from the side ends of the shield plate 8, and when the insulator 2 is injection-molded, the fixing arms 84 are buried in the insulator 2 (as shown in fig. 7) to fix the shield plates 8.

Referring to fig. 2 to 3, 7 and 8, in some embodiments, the shielding shell 1 is a hollow shell formed by an extraction process, and the shielding shell 1 is an integral shell without any seam on the surface, so that the appearance is beautiful and the structural strength is improved. Here, the shielding shell 1 is formed by a one-piece shell structure, but not limited thereto, and in some embodiments, the shielding shell 1 may also be formed by bending a multi-piece shell structure. Further, the upper and lower sides of the rear inner side of the shield case 1 are bent with the engaging pieces 13 to engage the concave portions 43 of the first coupling blocks 4 of the first terminal module and the concave portions 73 of the second coupling blocks 7 of the second terminal module.

Referring to fig. 2 to 3, 7 and 8, in some embodiments, the insulator 2 includes a first insulator 2 'and a second insulator 2' symmetrically combined, the first insulator 2 'defining a first inner mounting space 20', the second insulator 2 'defining a second inner mounting space 20', the first inner mounting space 20 'and the second inner mounting space 20' constituting the socket 20.

Referring to fig. 2, 3 and 6, fig. 6 is an exploded view illustrating a first combination block 4, a first insulator 2 'and a shielding plate 8, in some embodiments, the first terminal module includes a plurality of first elastic terminals 3 and a first combination block 4, and the first combination block 4 is combined with each first elastic terminal 3 and is disposed in a first inner mounting space 20' (e.g., an inner side surface of the first insulator 2 ') of the first insulator 2'.

Referring to fig. 2, 3 and 6, in some embodiments, the second terminal module includes a plurality of second resilient terminals 6 and second coupling blocks 7, and the second coupling blocks 7 are coupled to the respective second resilient terminals 6 and disposed in a second inner mounting space 20 "(e.g., an inner side surface of the second insulator 2") of the second insulator 2 ".

Referring to fig. 2 to 3 and 8, in some embodiments, after the first terminal module, the second terminal module, the first insulator 2 ', and the second insulator 2' are assembled in a four-piece structure, a slot 20 is formed inside the first insulator 2 'and the second insulator 2', and the first insulator 2 ', the second insulator 2', the first terminal module, and the second terminal module are disposed in the receiving slot 11 of the shielding shell 1. The first insulator 2 'of the assembled first terminal module and the second insulator 2' of the assembled second terminal module are combined and arranged in the receiving groove 11 of the shielding shell 1.

Referring to fig. 2 to 3 and 8, in some embodiments, the first terminal module includes a plurality of first elastic terminals 3 and a first coupling block 4 integrated by injection molding, and a first insulator 2' combined with a second structure. The second terminal module comprises a plurality of second elastic terminals 6 and a second coupling block 7 integrated by injection molding (insert molding) to form a third structure, and a second insulator 2' combined with a fourth structure.

Referring to fig. 2 to 3 and 8, in some embodiments, the first elastic terminal 3 and the first combining block 4 are tightly combined to prevent water from flowing into the rear soldering side (the positions of the first soldering section 37 and the second soldering section 67 on the right side of fig. 8) through the contact portion (the terminal slot on the first combining block 4 shown in fig. 8) between the first elastic terminal 3 and the first combining block 4 after water overflows from the front plugging side (the plugging opening on the left side of fig. 8) of the plug electrical connector 100.

Referring to fig. 2 to 3 and 8, in some embodiments, the second resilient terminal 6 and the second combining block 7 are tightly combined to prevent water from flowing into the rear soldering side (the positions of the first soldering section 37 and the second soldering section 67 on the right side of fig. 8) through the contact portion (the terminal slot on the second combining block 7 shown in fig. 8) between the second resilient terminal 6 and the second combining block 7 after water overflows from the front plugging side (the plugging opening on the left side of fig. 8) of the plug electrical connector 100.

Referring to fig. 2 to 3 and 8, in some embodiments, the first terminal module, the second terminal module, the first insulator 2' and the second insulator 2 ″ of the four-piece structure are assembled with each other and then installed in the shielding shell 1. The upper and lower parts are integrated and then installed in the receiving groove 11 of the shielding housing 1, thereby reducing the number of parts required for production and the number of production and assembly processes. It is not necessary to dispose a barrier (such as but not limited to Mylar) between the first terminal module and the shielding shell 1 and between the second terminal module and the shielding shell 1 for insulation, so as to reduce the bad loss of production and assembly.

Referring to fig. 2 to 3 and 8, in some embodiments, the first insulator 2 'and the second insulator 2' are each a half structure of a ring-shaped body. That is, the first insulator 2 'and the second insulator 2 ″ are semi-annular flat-elongated plates, and the first insulator 2' and the second insulator 2 ″ are regular in shape and symmetrical in the vertical and horizontal directions. Furthermore, the first insulator 2 'combines with the second insulator 2' to form a ring-shaped wall structure, in which a slot 20 is formed for mating with the receptacle electrical connector.

Referring to fig. 2 to 3, 6 and 8, in some embodiments, the plurality of first flexible terminals 3 includes a plurality of first signal terminals 31, at least one first power terminal 32 and at least one first ground terminal 33. From the front view of the plurality of first elastic terminals 3, there are sequentially, from the right side to the left side, a first ground terminal 33 (Gnd), a first pair of first signal terminals 31 (TX 1+ -, high-speed differential signal terminals), a first Power terminal 32 (Power/VBUS), a first function detection terminal (CC 1 for detecting the function of forward and backward interpolation and the function of recognizing CABLE), a pair of first signal terminals 31 (D + -, low-speed differential signal terminals), a first reserved terminal (RFU), the first Power terminal 32 (Power/VBUS), a second pair of first signal terminals 31 (RX 2+ -, high-speed differential signal terminals), and a leftmost first ground terminal 33 (Gnd).

Referring to fig. 2 to 3, 6 and 8, in some embodiments, each first terminal is a bent terminal, each first elastic terminal 3 includes a first contact section 35, a first connection section 36 and a first welding section 37, the first connection section 36 is disposed on the first combining block 4, the first contact section 35 extends from one side of the first connection section 36, the first welding section 37 extends from the other side of the first connection section 36 and penetrates through the first combining block 4, and the first contact section 35 is a bent arc structure. The plurality of first signal terminals 31 extend to the slot 20 to transmit a set of first signals (i.e. USB3.0 signals or other signals (such as, but not limited to, HDMI signals), and the number of terminals can be reduced to transmit USB2.0 signals.

Referring to fig. 2 to 3, 8 and 9, in some embodiments, the first connecting section 36 is disposed on the first combining block 4, and the second arc-shaped contact portion 83 of the shielding plate 8 contacts the first connecting section 36 located at a side of the first combining block 4. The second connecting section 66 is disposed on the second combining block 7, and the second arc-shaped contact portion 83 of the shielding plate 8 contacts the second connecting section 66 located at the side of the second combining block 7.

Referring to fig. 2 to 3, 6 and 8, in some embodiments, the plurality of second flexible terminals 6 include a plurality of second signal terminals 61, at least one second power terminal 62 and at least one second ground terminal 63. From the front view of the plurality of second elastic terminals 6, there are sequentially, from left to right, a second ground terminal 63 (Gnd), a first pair of second signal terminals 61 (TX 2+ -, high-speed differential signal terminal), a second Power terminal 62 (Power/VBUS), a second function detection terminal (CC 2 for detecting the function of forward and reverse insertion and the function of recognizing CABLE), a pair of second signal terminals 61 (D + -, low-speed differential signal terminal), a second reserved terminal (RFU), a second Power terminal 62 (Power/VBUS), a second pair of second signal terminals 61 (RX 1+ -, high-speed differential signal terminal), and a rightmost second ground terminal 63 (Gnd).

Referring to fig. 2 to 3, 6 and 8, in some embodiments, each second elastic terminal 6 is a bent terminal, each second elastic terminal 6 includes a second contact section 65, a second connection section 66 and a second welding section 67, the second connection section 66 is disposed on the second combining block 7, the second contact section 65 extends from one side of the second connection section 66, the second welding section 67 extends from the other side of the second connection section 66 and penetrates through the second combining block 7, the second contact section 65 is a bent arc structure and corresponds to the first contact section 35, that is, each first contact section 35 and each second contact section 65 are bent arc opposite to each other. In addition, each first soldering section 37 and each second soldering section 67 together define a holding elastic arm for holding and contacting the circuit board. In addition, the plurality of second signal terminals 61 extend to the slot 20 to transmit a set of second signals (i.e. USB3.0 signals or other signals (such as, but not limited to, HDMI signals), which can reduce the number of terminals used to transmit USB2.0 signals.

Referring to fig. 2 to 3, 6 and 8, in some embodiments, the first combining block 4 is formed and combined with each first elastic terminal 3, and the second combining block 7 is formed and combined with each second elastic terminal 6. Here, the first coupling blocks 4 are coupled to the first connection segments 36 by insert-molding (insert-molding), the second coupling blocks 7 are coupled to the second connection segments 66 by insert-molding (insert-molding), and then the first coupling blocks 4 and the second coupling blocks 7 are assembled above and below the metal member 9. Then, the semi-finished product composed of the metal member 9, the first terminal module and the second terminal module is assembled into the receiving slot 11 of the shielding shell 1.

Referring to fig. 2 to 3, 6 and 8, in some embodiments, first catching grooves 21 ' are formed at both sides of the first insulator 2 ', first catching blocks 41 are formed at both sides of the first combining block 4, and each first catching block 41 is caught at each first catching groove 21 '. In addition, second catching grooves 21 ' are formed on both sides of the second insulator 2 ', second engaging blocks 71 are formed on both sides of the second coupling block 7, and each second engaging block 71 is engaged with each second catching groove 21 '.

Referring to fig. 2 to 3, 6 and 8, in some embodiments, the inner side surface of the first combining block 4 is provided with a first fixing structure 42 (which may be a convex portion or a concave portion), the inner side surface of the second combining block 7 is provided with a second fixing structure 72 (which may be a convex portion or a concave portion), and the first fixing structure 42 is combined with the second fixing structure 72 (which may be a concave-convex combination). Here, the first fixing structure 42 is formed with a concave hole, and the second fixing structure 72 is a protrusion clamped in the concave hole.

Referring to fig. 2 to 3, 6 and 8, in some embodiments, the plug electrical connector 100 further includes a metal member 9, wherein the metal member 9 is disposed between the first insulator 2 'and the second insulator 2'.

Referring to fig. 2 to 3, 6 and 8, in some embodiments, the metal member 9 is formed by blanking, but not limited thereto, and in some embodiments, the metal member 9 may be formed by stamping. The structural strength of the metal part 9 formed by blanking is higher than that of the metal part 9 formed by press forming. Besides, the two sides of the metal component 9 are extended with side arms 93, the center of the metal component 9 is a rectangular plate with a buckle hole 91, the first fixing structure 42 and the second fixing structure 72 penetrate through the buckle hole 91 to fix the metal component 9 between the first insulator 2 'and the second insulator 2'.

Referring to fig. 2 to 3, 6 and 8, in some embodiments, each side arm 93 is an elongated terminal, each side arm 93 is symmetrical left and right, each side arm 93 extends outward from two sides of the metal member 9 in the same direction, and each side arm 93 penetrates into the slot 20. The side arms 93 further include a plurality of elastic contact sections and a plurality of pins, each elastic contact section is formed at the front side of each side arm 93, each elastic contact section can contact with the socket electrical connector, and when the plug electrical connector 100 is plugged with the socket electrical connector, the elastic contact sections provide a clamping and fixing function. Furthermore, each pin extends outward from the rear side of each side arm 93, and each pin penetrates through the first insulator 2 'and the second insulator 2' to contact the circuit board.

Referring to fig. 9 to 11, fig. 9 is an enlarged schematic view of a mark B in fig. 8, fig. 10 is an external view of fig. 1 showing a relative relationship between the shield plate 8 and each of the first elastic terminals, and fig. 11 is a plan view of fig. 10. In some embodiments, the first combining block 4 includes a first groove 44, the first groove 44 is located at a side of the first ground terminal 33, one side of the second arc-shaped contact portion 83 contacts the first ground terminal 33, and the other side of the second arc-shaped contact portion 83 corresponds to the first groove 44 (as shown in fig. 11, the second arc-shaped contact portion 83 is located at a middle position between the first ground terminal 33 and the first groove 44, and the first groove 44 is represented by an imaginary line of a two-dot chain line). In some embodiments, the second combining block 7 includes a second groove 74, the second groove 74 is located at a side of the second ground terminal 63, one side of the second arc-shaped contact portion 83 contacts the second ground terminal 63, and the other side of the second arc-shaped contact portion 83 corresponds to the second groove 74 (as shown in fig. 3).

In summary, according to some embodiments, the shielding sheet and the insulator are integrally formed, so as to reduce the number of assembly steps and the loss of assembly defects. And, set up with integrative side arm, first arc contact site and second arc contact site of shielding piece, first arc contact site extend towards shielding shell and effective contact in shielding shell, the second arc contact site extend towards the earth terminal and effective contact in the earth terminal, when the plug electric connector docks with the socket electric connector, with the shielding piece of plug electric connector and the EMI conducting strip contact of socket electric connector and effective conduction ground connection, prevent the effect of electronic interference, suppression noise.

Claims (10)

1. An electrical plug connector, comprising:

a shielding shell including a receiving groove;

the insulator is arranged in the accommodating groove and comprises a slot and a plurality of through holes, and each through hole is formed in two sides of the insulator and communicated with the slot;

the elastic terminals are arranged on the insulator and are respectively positioned on the inner sides of the slots, and each elastic terminal comprises a plurality of signal terminals, at least one power supply terminal and at least one grounding terminal; and

the shielding piece comprises at least one side arm, a first arc-shaped contact part and a second arc-shaped contact part, wherein the side arm, the first arc-shaped contact part and the second arc-shaped contact part are integrated, the first arc-shaped contact part extends towards the shielding shell and is in contact with the shielding shell, and the second arc-shaped contact part extends towards the grounding terminal and is in contact with the grounding terminal.

2. The electrical plug connector of claim 1, wherein: first arc contact site certainly side arm tip extends to the slant outwards, second arc contact site certainly first arc contact site turns over and extends in the slant, first arc contact site with the cross-section of second arc contact site forms wavy bullet arm, the side arm width is greater than first arc contact site reaches second arc contact site width.

3. The header electrical connector of claim 1 or 2, wherein: a plurality of molding regions are formed on two surfaces of the insulator, and the shielding sheets are respectively combined with the molding regions.

4. The header electrical connector of claim 1 or 2, wherein: the shielding piece comprises a concave hole, and the concave hole is formed in the side arm.

5. The header electrical connector of claim 1 or 2, wherein: the shielding piece comprises a fixing arm, and the fixing arm extends outwards and obliquely from the side end of the shielding piece.

6. The header electrical connector of claim 1 or 2, wherein: the insulator comprises a first insulator and a second insulator which are symmetrically combined, the first insulator defines a first inner side installation space, the second insulator defines a second inner side installation space, and the first inner side installation space and the second inner side installation space form the slot.

7. The electrical plug connector of claim 6, wherein: each of the elastic terminals includes a plurality of first elastic terminals and a plurality of second elastic terminals, and the plug electrical connector further includes a first coupling block and a second coupling block, the first coupling block is coupled to each of the first elastic terminals and disposed in the first inner side installation space of the first insulator, and the second coupling block is coupled to each of the second elastic terminals and disposed in the second inner side installation space of the second insulator.

8. The electrical plug connector of claim 7, wherein: each first elastic terminal contains a first contact section, a first linkage segment and a first welding section, first linkage segment set up in first combining block, the second arc contact site contact of shielding piece is located the first linkage segment of first combining block side, first contact section certainly first linkage segment one side extends to the slot, first welding section certainly first linkage segment opposite side extends and wears out first combining block.

9. The electrical plug connector of claim 7, wherein: each the second elastic terminal contains a second contact section, a second linkage segment and a second welding section, the second linkage segment set up in the second combines the piece, the shielding piece second arc contact site contact is located the second combines the piece side the second linkage segment, the second contact section certainly second linkage segment one side extends to the slot, the second welding section certainly the second linkage segment opposite side extends and wears out the second combines the piece.

10. The electrical plug connector of claim 7, wherein: the first combination block comprises a first groove, the first groove is positioned on the side edge of a first grounding terminal, one edge of a first second arc-shaped contact part is contacted with the first grounding terminal, and the other edge of the first second arc-shaped contact part corresponds to the first groove; the second combination block comprises a second groove, the second groove is positioned on the side edge of a second grounding terminal, one edge of the second arc-shaped contact part is contacted with the second grounding terminal, and the other edge of the second arc-shaped contact part corresponds to the second groove.

Images