CN110416829A

CN110416829A - Electric connector

Info

Publication number: CN110416829A
Application number: CN201910715181.9A
Authority: CN
Inventors: 蔡伦; 隆权; 秦大争
Original assignee: Lotes Guangzhou Co Ltd
Current assignee: Lotes Guangzhou Co Ltd
Priority date: 2019-08-05
Filing date: 2019-08-05
Publication date: 2019-11-05
Anticipated expiration: 2039-08-05
Also published as: CN110416829B

Abstract

The invention discloses a kind of electric connectors, including insulating body and multiple terminals, insulating body includes base portion and hyoplastron, hyoplastron has upper and lower surfaces, multiple terminals include at least two first ground terminals for being arranged in upper surface and at least two second ground terminals for being arranged in lower surface, first ground terminal includes the first ground connection contact portion for being revealed in upper surface, the front end of first ground connection contact portion is extended with forward first connecting portion and is located in hyoplastron, second ground terminal includes the second ground connection contact portion for being revealed in lower surface, the front end of second ground connection contact portion is extended with forward second connecting portion and is located in hyoplastron, multiple first connecting portion one are shorted sheetmolding with first, multiple second connecting portions are shorted piece with second and are integrally formed, first short circuit piece and one second short circuit piece are embedded in hyoplastron, first, which is shorted piece and second, is shorted piece It overlaps, which can be improved the shield effectiveness of electric connector.

Description

Electric connector

[technical field]

The present invention relates to a kind of electric connectors, refer in particular to a kind of electric connector with good shielding.

[background technique]

A kind of existing common electric connector structure generally includes collets and upper with upper collets injection molding It arranges terminal and lower collets and lower row's terminal with lower collets injection molding, upper row's terminal includes multiple first ground terminals Sub and multiple first difference signal terminals, lower row's terminal include multiple second ground terminals and multiple second difference signal terminals, In upper collets and upper row's terminal injection molding and lower collets and lower row's terminal injection molding, due to by injection pressure, First ground terminal and the second ground terminal are easy to produce beat, so that the first ground terminal arrives the of two sides in a lateral direction The distance of one difference signal terminal is difficult to keep centainly, and the second ground terminal arrives the second differential signal of two sides in a lateral direction The distance of terminal is difficult to keep centainly, so that the shielding so as to cause the first ground terminal to the first difference signal terminal of two sides Effect is poor, and the second ground terminal is poor to the shield effectiveness of the second difference signal terminal of two sides, to reduce the first difference The transmission rate of signal terminal and the second difference signal terminal, due to multiple first ground terminals and multiple second ground terminals that This is separately positioned, so that between multiple first ground terminals between multiple second ground terminals and the first ground terminal and There are potential differences between two ground terminals, are easy to produce resonance problems and cause anti-interference ability poor, to reduce electrical connection The shield effectiveness of device.

Therefore, it is necessary to design the new electric connector of one kind to overcome the above problem.

[summary of the invention]

For background technique problem encountered, the purpose of the present invention is to provide one kind can guarantee the first ground terminal And second form stable electric connection between ground terminal, and the first ground terminal and the second ground terminal will not occur partially It moves to reach the electric connector of good shielding.

To achieve the above object, the invention adopts the following technical scheme: a kind of electric connector, which is characterized in that including one Insulating body, the hyoplastron including a base portion and in front of the base portion, the hyoplastron have a upper surface and a following table Face；Multiple terminals, including accommodating the base portion and being arranged at least two first ground terminals of the upper surface in transverse direction Son and at least one first difference signal terminal pair between two first ground terminals and it is contained in the base portion And it is arranged at least two second ground terminals of the lower surface in transverse direction and is located at two second ground terminals Between at least one second difference signal terminal pair, each first ground terminal includes be revealed in the upper surface one One ground connection contact portion, each second ground terminal includes the one second ground connection contact portion for being revealed in the lower surface, each The front end of the first ground connection contact portion is extended with forward a first connecting portion and is located in the hyoplastron, each second ground connection The front end of contact portion is extended with forward a second connecting portion and is located in the hyoplastron；One first is shorted piece, is embedded in the hyoplastron, Described first is shorted piece and multiple first connecting portion integrated moldings；One second is shorted piece, is embedded in the hyoplastron, and described the Two are shorted piece and multiple second connecting portion integrated moldings, and described second, which is shorted piece and described first, is shorted oblique cut grafting one It rises.

Further, the first short circuit piece and the second short circuit piece are not revealed in the outside of the hyoplastron.

Further, the first short circuit piece and the second short circuit piece are respectively positioned on the first ground connection contact portion and described the Between two ground connection contact portions.

Further, the first short circuit piece and the second short circuit piece be in tabular and with the upper surface and described Lower surface is parallel, and described first, which is shorted the plate face of piece and described second, is shorted the plate face close contact of piece.

Further, the back edge of the leading edge of multiple first connecting portions and the first short circuit piece is integrally connected, more The back edge of the leading edge of a second connecting portion and the second short circuit piece is integrally connected.

Further, each first connecting portion forward and bends downward extension from the front end of the first ground connection contact portion It is formed and is entered in the hyoplastron, multiple first connecting portions and the same edge of the first short circuit piece are integrally connected, often One second connecting portion from it is described second ground connection contact portion front end forward and be folded upward at extend to form and enter the tongue In plate, multiple second connecting portions and the same edge of the second short circuit piece are integrally connected.

Further, for first difference signal terminal to including two the first difference signal terminals, each described first is poor Sub-signal terminal includes the one first signal contact portion for being revealed in the upper surface, and the length of the first signal contact portion is less than It is described first ground connection contact portion length, second difference signal terminal to include two the second difference signal terminals, it is each Second difference signal terminal includes the second signal contact portion for being revealed in the lower surface, the second signal contact portion Length be less than the length of the second ground connection contact portion, first ground terminal and second ground terminal vertically side To shifting to install, the first short circuit piece and the second short circuit piece are respectively positioned on the first signal contact portion and second letter The front of number contact portion.

Further, the insulating body periphery is coated with a shielding case, and the insulating body contains a shielding piece, described Piece is shielded between first ground terminal and second ground terminal, the shielding piece is located at described first and is shorted piece The rear for being shorted piece with described second, the shielding piece have a main part in plate, at least side of the main part to An extending part is extended in the outside of the base portion outside, and the extension is abutted with the inner wall of the shielding case.

Further, the main part is recessed with multiple through-holes and connects with multiple first ground terminals and multiple described second The alignment of ground terminal.

Further, first difference signal terminal to second difference signal terminal to all having two pairs, it is described There are two first ground terminal tools, and there are three second ground terminal tools, and two pairs of first difference signal terminals are to two A first ground terminal is alternately arranged in transverse direction in the upper surface, two pairs of second difference signal terminals to Three second ground terminals are alternately arranged in transverse direction in the lower surface, and the insulating body contains one first absolutely Edge block and one second collets, two first ground terminals and two pairs of first difference signal terminals pair and the screen Cover piece and the first collets injection molding, three second ground terminals and two pairs of second difference signal terminals pair With the second collets injection molding, the base portion and the hyoplastron are coated on first collets and described second jointly The outside of collets, the two sides of the hyoplastron are convexly equipped with a fin separately down, and the first short circuit piece is forwardly convex in described The front end of first collets, described second is shorted the forwardly convex front end in second collets of piece.

Further, a mask frame is sheathed on the periphery of the base portion, and the mask frame has the top for being fixed on the base portion On the one of face barricade and be fixed on the base portion bottom surface barricade once, the upper barricade bend downward be extended with to Few one first elastic arm is abutted at least 1 first ground terminal elasticity, and the lower barricade, which is folded upward at, is extended at least one Second elastic arm is abutted at least 1 second ground terminal elasticity, and the upper barricade is convexly equipped with an at least convex closure and the screen The inner wall for covering shell abuts.

Further, the mask frame further includes that two vertical interconnecting pieces connect the upper barricade and the lower barricade Both ends, two vertical interconnecting pieces are close to the two sides of the base portion, two vertical interconnecting pieces and the upper barricade And the lower barricade is integrally formed.

Further, the shielding case has the first side wall that is connected and a second sidewall, before the first side wall End and the front end of the second sidewall tilt extend to form one first fool proof elastic arm and one second fool proof bullet toward each other in the direction Arm, the extension are abutted against with the inner wall of the first side wall or the inner wall of the second sidewall.

Compared with prior art, the invention has the following advantages:

It is arranged described first and is shorted piece and described second and is shorted piece for multiple first ground terminals and multiple described the Two ground terminals are serially connected, and reduce between multiple first ground terminals between multiple second ground terminals Potential difference between potential difference and first ground terminal and second ground terminal, preferably reduces resonance, improves Anti-interference ability, and then the shield effectiveness of electric connector is improved, while described first is shorted piece and the second short circuit piece difference Multiple first ground terminals and multiple second ground terminals are fixed together, when the insulating body injection molding In multiple first ground terminals and multiple second ground terminals, first is shorted piece and institute described in injection molding machine clamping position The second short circuit piece is stated, prevents multiple first ground terminals and multiple second ground terminals from producing due to by injection pressure Raw offset, change first ground terminal will not to the distance of first difference signal terminal of two sides, and described second The distance of second difference signal terminal of ground terminal to two sides will not change, and be conducive to adjust first differential signal The characteristic impedance of terminal, second difference signal terminal further increases first difference signal terminal and described second The transmission rate of difference signal terminal, in addition the first short circuit piece and the second short circuit piece are embedded in the hyoplastron, have Conducive to the intensity for increasing the hyoplastron.

[Detailed description of the invention]

Fig. 1 is the stereogram exploded view of electric connector of the invention；

Fig. 2 is the part combination diagram of Fig. 1；

Fig. 3 is the schematic diagram that shielding case is not mounted to insulating body；

Fig. 4 is the three-dimensional combination figure of electric connector of the invention；

Fig. 5 is partial exploded view of the invention；

Fig. 6 is the main view of Fig. 5；

Fig. 7 is the cross-sectional view in Fig. 3 along the direction A-A；

Fig. 8 is the cross-sectional view in Fig. 3 along the direction B-B；

Fig. 9 is the cross-sectional view in Fig. 4 along the direction C-C；

Figure 10 is the cross-sectional view in Fig. 4 along the direction D-D.

The drawing reference numeral of specific embodiment illustrates:

[specific embodiment]

Purpose, structure, feature and effect to facilitate the understanding of the present invention etc., now in conjunction with attached drawing and specific implementation The invention will be further described for mode.

As shown in Fig. 1, Fig. 4 and Fig. 9, this is a kind of electric connector 100 of the invention, and the electric connector 100 is Display Port electric connector, to be docked with Display Port plug (not shown), and the electric connector 100 to It is soldered to a circuit board (not shown), in other embodiments, the electric connector 100 can be HDMI connector or other connect The connector of mouth, to dock with the plug of HDMI plug or other interfaces, the electric connector 100 includes an insulating body 1, Be contained in the insulating body 1 multiple terminals 4 and one shielding piece 5 and a shielding case 7 be coated on the insulating body 1 Outside.

As shown in Fig. 3 and Fig. 7 and Fig. 8, the insulating body 1 includes a base portion 11 and extends forward from the base portion 11 A hyoplastron 12, the hyoplastron 12 has a upper surface 121 and a lower surface 122, and the two sides of the hyoplastron 12 are convex separately down Equipped with a fin 123, two fins 123 are arranged in parallel, and with 122 phase of the upper surface 121 and the lower surface Vertically, the fin 123, which is arranged, is inserted into the Display Port plug alignment hyoplastron 12 (not shown), and the base portion 11 is certainly The side of the hyoplastron 12 is extended with forward the fool proof column 111 in long strip type, and the fool proof column 111 is used for correcting and positioning, Prevent from inserting partially, the insulating body 1 contain one first collets 2 and positioned at first collets, 2 lower section one second absolutely Edge block 3, first collets 2 and 3 stacked on top of the second collets are fixed.

As shown in Fig. 1 and Fig. 2 and Fig. 3, multiple terminals 4 include being arranged in the upper surface 121 in transverse direction At least two first ground terminals 41 and at least one first differential signal end between two first ground terminals 41 Son is right, and in the present embodiment, there are two first ground terminals 41, and first difference signal terminal is each pair of to there is two pairs First difference signal terminal to include two the first difference signal terminals 42, two pairs of first difference signal terminals to Two first ground terminals 41 are alternately arranged in transverse direction in the upper surface 121, and multiple terminals 4 further include cross At least two second ground terminals 43 of the lower surface 122 are arranged in direction and are located at two second ground terminals 43 Between at least one second difference signal terminal pair, in the present embodiment, there are three second ground terminals 43, described second For difference signal terminal to there is two pairs, each pair of second difference signal terminal includes two the second difference signal terminals 44, and two pairs Second difference signal terminal to and three second ground terminals 43 be alternately arranged in transverse direction in the lower surface 122, first ground terminal 41 and second ground terminal 43 shift to install along the vertical direction, first differential signal Terminal 42 and second difference signal terminal 44 shift to install (not shown) along the vertical direction, two first ground terminals 41 and two pairs of first difference signal terminals pair and the shielding piece 5 and 2 injection molding of the first collets, three institutes State the second ground terminal 43 and two pairs of second difference signal terminals pair and 3 injection molding of the second collets, the base Portion 11 and the hyoplastron 12 are coated on first collets 2 and second collets 3 jointly by way of injection molding Outside.

As shown in Fig. 3 and Fig. 7 and Fig. 8, each first ground terminal 41 and each first difference signal terminal 42 include being fixed on one first fixed part 412 of 2 rear end of the first collets and extending back from first fixed part 412 One first weld part 413 of first collets 2 out, each first ground terminal 41 further include from first ground connection The one first ground connection contact portion 411 and be grounded contact portion from described first that first fixed part 412 of terminal 41 extends forward 411 front end extends forward into the first connecting portion 4111 in the hyoplastron 12, before described first is grounded contact portion 411 End is located at the upper surface 121, and the rear end of the first ground connection contact portion 411 is located at the top surface of 2 front end of the first collets, Each first difference signal terminal 42 further include from first fixed part 412 of first difference signal terminal 42 to One first signal contact portion 421 of preceding extension, the front end of the first signal contact portion 421 is located at the upper surface 121, described The rear end of first signal contact portion 421 is located at the top surface of 2 front end of the first collets, the first signal contact portion 421 Length is less than the length of the first ground connection contact portion 411.

As shown in Fig. 1 and Fig. 7 and Fig. 8, each second ground terminal 43 and each second difference signal terminal 44 include being fixed on one second fixed part 432 of 3 rear end of the second collets and extending back from second fixed part 432 One second weld part 433 of second collets 3 out, each second ground terminal 43 further include from second ground connection The one second ground connection contact portion 431 and be grounded contact portion from described second that second fixed part 432 of terminal 43 extends forward 431 front end extends forward into the second connecting portion 4311 in the hyoplastron 12, before described second is grounded contact portion 431 End is located at the lower surface 122, and the rear end of the second ground connection contact portion 431 is located at the bottom surface of 3 front end of the second collets, Each second difference signal terminal 44 further include from second fixed part 432 of second difference signal terminal 44 to One second signal contact portion 441 of preceding extension, the front end of the second signal contact portion 441 is located at the lower surface 122, described The rear end of second signal contact portion 441 is located at the bottom surface of 3 front end of the second collets, the second signal contact portion 441 Length is less than the length of the second ground connection contact portion 431.

As shown in Fig. 5 and Fig. 7 and Fig. 8, the hyoplastron 12 be embedded with one first short circuit piece 45 and one second be shorted piece 46, two A first connecting portion 4111 is shorted piece 45 with described first and is integrally formed, three second connecting portions 4311 and described the Two, which are shorted piece 46, is integrally formed, and the first short circuit piece 45 and the second short circuit piece 46 overlap, setting described first It is shorted piece 45 and the second short circuit piece 46 goes here and there two first ground terminals 41 and three second ground terminals 43 Be connected together, eliminate the potential difference between multiple first ground terminals 41 between multiple second ground terminals 43 with And the potential difference between first ground terminal 41 and second ground terminal 43, it preferably reduces resonance and improves anti-dry Ability is disturbed, and then improves the shield effectiveness of the electric connector 100, the first short circuit piece 45 is forwardly convex exhausted in described first The front end of edge block 2, described second is shorted the forwardly convex front end in second collets 3 of piece 46, insulate by described first When block 2 is molded in two first ground terminals 41 and second collets 3 are molded in three described second When ground terminal 43, first is shorted piece 45 and described second and is shorted piece 46 described in injection molding machine clamping position, prevents multiple described the One ground terminal 41 and multiple second ground terminals 43 generate beat due to by injection pressure, make first ground terminal The distance of first difference signal terminal 42 of son 41 to two sides will not change, the institute of second ground terminal 43 to two sides The distance for stating the second difference signal terminal 44 will not change, and be conducive to adjust first difference signal terminal 42, described second The characteristic impedance of difference signal terminal 44 further increases first difference signal terminal 42 and second differential signal end The transmission rate of son 44, in addition the first short circuit piece 45 and the second short circuit piece 46 are embedded in the hyoplastron 12, increase institute State the intensity of hyoplastron 12.

As shown in figure 3, the first short circuit piece 45 and the second short circuit piece 46 are not revealed in the outer of the hyoplastron 12 Side is conducive to the intensity for increasing the hyoplastron 12.

As shown in Fig. 5 and Fig. 6 and Fig. 7, it is described first be shorted piece 45 and it is described second be shorted piece 46 in tabular and with The upper surface 121 and the lower surface 122 are parallel, facilitate positioning, while being convenient for the molding hyoplastron 12, and described first It is shorted the plate face of piece 45 and plate face that described second is shorted piece 46 is in close contact, make described first to be shorted piece 45 and described second short Contact area between contact pin 46 is big, contacts more firm.

As shown in Fig. 6 and Fig. 7 and Fig. 8, the first short circuit piece 45 and the second short circuit piece 46 are respectively positioned on described first It is grounded between contact portion 411 and the second ground connection contact portion 431, guarantees the thinner thickness of the hyoplastron 12, and can make The first short circuit piece 45 and the second short circuit piece 46 are preferably embedded in the hyoplastron 12, while can take into account described the One, which is shorted piece 45 and described second, is shorted piece 46 to first difference signal terminal 42 and second difference signal terminal 44 The distance between, to guarantee that the first short circuit piece 45 and the second short circuit piece 46 reach preferable shield effectiveness.

As shown in Figures 1 and 5, the first short circuit piece 45 and the second short circuit piece 46 are respectively positioned on first signal and connect The front of contact portion 421 and the second signal contact portion 441, described first, which is shorted piece 45 and described second, is shorted piece 46 and institute The first signal contact portion 421 and the second signal contact portion 441 are stated there are gap, is conducive to avoid described first from being shorted piece 45 It contacts to cause with the first signal contact portion 421 and the second signal contact portion 441 with the second short circuit piece 46 Signal shorts.

As shown in Figures 7 and 8, each first connecting portion 4111 from it is described first ground connection contact portion 411 front end to Preceding and bend downward and extend to form and enter in the hyoplastron 12, multiple first connecting portions 4111 are shorted piece with described first 45 same edge is integrally connected, and each second connecting portion 4311 is grounded the front end of contact portion 431 forward from described second And be folded upward at and extend to form and enter in the hyoplastron 12, multiple second connecting portions 4311 are shorted piece 46 with described second Same edge be integrally connected, the first connecting portion 4111 and the second connecting portion 4311 are located in the hyoplastron 12, side Toilet states first connecting portion 4111 and described first and is shorted the integrated molding of piece 45 and the second connecting portion 4311 and described second It is shorted piece 46 to be integrally formed, and makes described first to be shorted piece 45 and described second and be shorted piece 46 as far as possible positioned at the hyoplastron Intermediate region inside 12 avoids burying described first inside the hyoplastron 12 and is shorted piece 45 and described second due to be shorted piece 46 Increase the thickness of the hyoplastron 12.In the present embodiment, multiple first connecting portions 4111 are shorted piece 45 with described first Back edge is integrally connected, and multiple second connecting portions 4311 and the back edge of the second short circuit piece 46 are integrally connected, at it In his embodiment, multiple first connecting portions 4111 can with it is described first be shorted piece 45 leading edge or left edge or Right hand edge is integrally connected, the leading edge or left edge that multiple second connecting portions 4311 can be shorted piece 46 with described second Or right hand edge is integrally connected.

As shown in Figures 5 and 6, the back of the leading edge of multiple first connecting portions 4111 and the first short circuit piece 45 Edge is integrally connected, and the back edge of the leading edge of multiple second connecting portions 4311 and the second short circuit piece 46 is integrally connected, First ground terminal 41 and described first is set to be shorted the integrally formed simple of piece 45, second ground terminal 43 and described Second is shorted the integrally formed simple of piece 46, simplifies technique, saves manufacturing cost.

As shown in Fig. 5 and Fig. 9, the shielding piece 5 is located at first ground terminal 41 and second ground terminal 43 Between, the signal interference between first difference signal terminal 42 and second difference signal terminal 44, institute can be reduced It states shielding piece 5 and is located at the described first rear for being shorted piece 45 and the second short circuit piece 46, the shielding piece 5 has in plate One main part 51, the two sides of the main part 51 are outward extended with the outside that an extension 511 is located at the base portion 11 respectively, and two A extension 511 is abutted with the inner wall of the shielding case 7, improves earthing effect, the shielding piece 5 and described first It is shorted piece 45 and described second and is shorted the setting of piece 46, first difference signal terminal 42 and second difference can be believed Multiple faces of number terminal 44 are shielded, and improve shield effectiveness, the main part 51 be recessed with multiple through-holes 512 with it is multiple described First ground terminal 41 and multiple second ground terminals 43 are aligned, and are conducive to adjust impedance, are improved shield effectiveness.

As shown in Fig. 4 and Fig. 9 and Figure 10, the shielding case 7 has multiple side walls, and multiple side walls are coated on described exhausted The periphery of edge ontology 1 simultaneously forms a docking space, and the docking space is inserted into for Display Port plug, in this implementation In example, multiple side walls include the first side wall 71 being connected and a second sidewall 72, along abutting direction, first side Wall 71 is located at the left side of the hyoplastron 12, and the second sidewall 72 is positioned at the downside of the hyoplastron 12, the first side wall 71 Front end and the front end of the second sidewall 72 tilt extend to form one first fool proof elastic arm 711 and one toward each other in the direction Two fool proof elastic arms 721, the first fool proof elastic arm 711 and the second fool proof elastic arm 721 prevent other when just starting docking Unmatched plug is inserted into and breaks terminal or prevent Display Port plug anti-plug, one of them described extension 511 It is abutted against with the inner wall of the first side wall 71.

As shown in Fig. 2 and Fig. 3 and Fig. 9, the periphery of the base portion 11 is arranged with a mask frame 6, and the mask frame 6 has solid It is described due to barricade 62 once of barricade 61 on the one of the top surface of the base portion 11 and the bottom surface for being fixed on the base portion 11 Upper barricade 61 bend downward extension there are two the first elastic arm 611 with two first ground terminals 41 are elastic abuts, it is described Lower barricade 62 be folded upward at extension there are three the second elastic arm 621 with three second ground terminals 43 are elastic abuts, increase Grounding path, to improve shield effectiveness.

The mask frame 6 further includes that two vertical interconnecting pieces 63 connect the upper barricade 61 and the lower barricade 62 Both ends, two vertical interconnecting pieces 63 are close to the two sides of the base portion 11, two vertical interconnecting pieces 63 with it is described on Barricade 61 and the lower barricade 62 are integrally formed, and the mask frame 6 is integrally formed, and need to only be installed once, be simplified Assembling procedure, the upper barricade 61 and the lower barricade 62 are connected as one by two vertical interconnecting pieces 63, So that the upper barricade 61 and the lower barricade 62 is formed closed circuit, further decreases first ground terminal 41 and institute The potential difference between the second ground terminal 43 is stated, anti-interference ability is improved, improves the high frequency performance of the electric connector 100, institute The both ends for stating the back edge of barricade 61 are extended with a horizontal connection portion 612, each horizontal connection portion 612 respectively backward End it is protruding upward formed a convex closure 6121 and the shielding case 7 inner wall abut against, guarantee be grounded, further enhance The shield effectiveness of the electric connector 100.

The assembling process of the electric connector 100 of the invention is as follows:

Two first ground terminals 41 and the first short circuit piece 45 are integrally formed by same material strip, injection molding machine folder It holds positioning described first and is shorted piece 45, then described in first collets 2 and two first ground terminals 41 and two pairs First difference signal terminal pair and 5 injection molding of shielding piece, the first short circuit piece 45 protrude first collets 2 Front end, three second ground terminals 43 and it is described second short circuit piece 46 be integrally formed by same material strip, injection molding machine press from both sides It holds positioning described second and is shorted piece 46, then described in second collets 3 and three second ground terminals 43 and two pairs For second difference signal terminal to injection molding, the second short circuit piece 46 protrudes the front end of second collets 3, by described the One collets 2 are fixed with 3 stacked on top of the second collets, are shorted the described first plate face for being shorted piece 45 and described second The plate face of piece 46 contacts, finally described to be formed in the outside injection molding of first collets 2 and second collets 3 The mask frame 6 is set in the base portion 11 by base portion 11 and the hyoplastron 12, finally by the shielding case 7 from the base portion 11 front end is set in from front to back on the base portion 11, the inner wall face contact of the convex closure 6121 and the shielding case 7.

In conclusion the electric connector 100 of the invention have it is following the utility model has the advantages that

(1) front end of each first ground connection contact portion 411 extends forward the first connecting portion 4111 positioned at described In hyoplastron 12, the front end of each second ground connection contact portion 431 extends forward the second connecting portion 4311 and is located at the tongue In plate 12, the first short circuit piece 45 and the second short circuit piece 46 are embedded in the hyoplastron 12, multiple first connecting portions 4111, which are shorted piece 45 with described first, is integrally formed, multiple second connecting portions 4311 with described second be shorted 46 one of piece at Type, is arranged described first and is shorted piece 45 and described second and be shorted piece 46 for two first ground terminals 41 and three described the Two ground terminals 43 are serially connected, and reduce the potential between first ground terminal 41 and second ground terminal 43 Difference preferably reduces resonance and improves anti-interference ability, and then improves the shield effectiveness of the electric connector 100, will be described First collets 2 are molded in two first ground terminals 41 and second collets 3 are molded in three institutes The second ground terminal 43 is stated, first is shorted piece 45 and the second short circuit piece 46 described in injection molding machine clamping position, prevents multiple institutes It states the first ground terminal 41 and multiple second ground terminals 43 generates beat due to by injection pressure, make described first to connect The distance of first difference signal terminal 42 of ground terminal 41 to two sides will not change, and second ground terminal 43 arrives two sides The distance of first difference signal terminal 42 will not change, be conducive to adjust first difference signal terminal 42, described The characteristic impedance of second difference signal terminal 44 further increases first difference signal terminal 42 and second difference letter The transmission rate of number terminal 44, in addition the first short circuit piece 45 and the second short circuit piece 46 are embedded in the hyoplastron 12, increase Add the intensity of the hyoplastron 12.

(2) it is described first be shorted piece 45 and it is described second be shorted piece 46 in tabular and with the upper surface 121 and The lower surface 122 is parallel, facilitates positioning, while convenient for forming the hyoplastron 12, described first be shorted the plate face of piece 45 with Described second plate face for being shorted piece 46 is in close contact, and makes the described first contact being shorted between piece 45 and the second short circuit piece 46 Area is big, contacts more firm.

(3) the first short circuit piece 45 and the second short circuit piece 46 are respectively positioned on the first ground connection contact portion 411 and institute It states between the second ground connection contact portion 431, guarantees the thinner thickness of the hyoplastron 12, and described first can be made to be shorted 45 He of piece The second short circuit piece 46 is preferably embedded in the hyoplastron 12, while can be taken into account described first and be shorted piece 45 and described the Two, which are shorted piece 46, arrives the distance between first difference signal terminal 42 and second difference signal terminal 44, to guarantee The first short circuit piece 45 and the second short circuit piece 46 reach preferable shield effectiveness.

(4) each first connecting portion 4111 forward and is bent downward from the front end of the first ground connection contact portion 411 It extends to form and enters in the hyoplastron 12, the same edge that multiple first connecting portions 4111 are shorted piece 45 with described first It is integrally connected, each second connecting portion 4311 is grounded the front end of contact portion 431 forward and is folded upward at from described second prolongs It stretches to be formed and be entered in the hyoplastron 12, the same edge one that multiple second connecting portions 4311 are shorted piece 46 with described second Body is connected, and the first connecting portion 4111 and the second connecting portion 4311 are located in the hyoplastron 12, facilitates described first to connect Socket part 4111 and described first is shorted the integrated molding of piece 45 and the second connecting portion 4311 and 46 one of the second short circuit piece Molding, and make described first to be shorted piece 45 and described second and be shorted the centre that piece 46 is located at as far as possible inside the hyoplastron 12 Region avoids burying the first short circuit piece 45 and the second short circuit piece 46 inside the hyoplastron 12 due to increasing the hyoplastron 12 thickness.

(5) the shielding piece 5 can be reduced between first ground terminal 41 and second ground terminal 43 Signal interference between first difference signal terminal 42 and second difference signal terminal 44, the shielding piece 5 are located at Described first is shorted the rear of piece 45 and the second short circuit piece 46, and the shielding piece 5 has the main part 51 in plate, The two sides of the main part 51 are outward extended with the outside that the extension 511 protrudes from the base portion 11 respectively, described in two Extension 511 is abutted with the inner wall of the shielding case 7, improves earthing effect.The shielding piece 5 is shorted piece with described first 45 and it is described second be shorted piece 46 setting, can be to first difference signal terminal 42 and second differential signal end Multiple faces of son 44 are shielded, and shield effectiveness is improved.

(6) mask frame 6 has the upper barricade 61 for the top surface for being fixed on the base portion 11 and is fixed on described The lower barricade 62 of the bottom surface of base portion 11, the upper barricade 61 bends downward extension, and there are two first elastic arms 611 It is abutted with two 41 elasticity of the first ground terminal, the lower barricade 62 is folded upward at extension, and there are three second elastic arms 621 abut with three 43 elasticity of the second ground terminal, increase grounding path, to improve shield effectiveness.

(7) mask frame 6 further includes that two vertical interconnecting pieces 63 connect the upper barricade 61 and the lower screen The both ends of shield plate 62, two vertical interconnecting pieces 63 are close to the two sides of the base portion 11, two vertical interconnecting pieces 63 It is integrally formed with the upper barricade 61 and the lower barricade 62, the mask frame 6 is integrally formed, and need to only be installed once i.e. Can, simplify assembling procedure.The upper barricade 61 and the lower barricade 62 are connected by two vertical interconnecting pieces 63 It is integrated, so that the upper barricade 61 and the lower barricade 62 is formed closed circuit, further decrease first ground terminal Potential difference between son 41 and second ground terminal 43 improves anti-interference ability, improves the high frequency of the electric connector 100 Performance.

(8) shielding case 7 has the first side wall 71 being connected and the second sidewall 72, the first side wall 71 front end and the front end of the second sidewall 72 tilt toward each other in the direction extends to form 711 He of the first fool proof elastic arm The second fool proof elastic arm 721, is arranged the first fool proof elastic arm 711 and the second fool proof elastic arm 721 starts to dock just When prevent other unmatched plugs insertions and break terminal or prevent Display Port plug anti-plug, one of institute It states extension 511 and the inner wall of the first side wall 71 abuts against, improve earthing effect.

Detailed description above is only the explanation of the preferred embodiments of the invention, the scope of the patents that is non-therefore limiting to the present invention, So all, with this creation specification and diagramatic content institute, equivalence techniques change for it, are both contained in the scope of the patents of this creation It is interior.

Claims

1. a kind of electric connector characterized by comprising

One insulating body, the hyoplastron including a base portion and in front of the base portion, the hyoplastron have a upper surface and A lower surface；

Multiple terminals, including accommodating the base portion and being arranged at least two first ground terminals of the upper surface in transverse direction Son and at least one first difference signal terminal pair between two first ground terminals and it is contained in the base portion And it is arranged at least two second ground terminals of the lower surface in transverse direction and is located at two second ground terminals Between at least one second difference signal terminal pair, each first ground terminal includes be revealed in the upper surface one One ground connection contact portion, each second ground terminal includes the one second ground connection contact portion for being revealed in the lower surface, each The front end of the first ground connection contact portion is extended with forward a first connecting portion and is located in the hyoplastron, each second ground connection The front end of contact portion is extended with forward a second connecting portion and is located in the hyoplastron；

One first is shorted piece, is embedded in the hyoplastron, and described first is shorted piece and multiple first connecting portion integrated moldings；

One second is shorted piece, is embedded in the hyoplastron, and described second is shorted piece and multiple second connecting portion integrated moldings, institute The second short circuit piece is stated to be shorted together with oblique cut grafting with described first.

2. electric connector as described in claim 1, it is characterised in that: described first, which is shorted piece and described second, is shorted piece not It is revealed in the outside of the hyoplastron.

3. electric connector as described in claim 1, it is characterised in that: described first, which is shorted piece and described second, is shorted the equal position of piece Between the first ground connection contact portion and the second ground connection contact portion.

4. electric connector as described in claim 1, it is characterised in that: the first short circuit piece and the second short circuit piece are in Tabular and, the plate face of the first short circuit piece and the second short circuit piece parallel with the upper surface and the lower surface Plate face be in close contact.

5. electric connector as described in claim 1, it is characterised in that: the leading edge of multiple first connecting portions and described The back edge of one short circuit piece is integrally connected, the back edge one of the leading edge of multiple second connecting portions and the second short circuit piece Body is connected.

6. electric connector as described in claim 1, it is characterised in that: each first connecting portion connects from described first The front end of contact portion forward and bend downward extend to form and enter the hyoplastron in, multiple first connecting portions and described first Be shorted piece same edge be integrally connected, each second connecting portion from it is described second ground connection contact portion front end forward and to Upper bending extends to form and enters in the hyoplastron, the same edge one of multiple second connecting portions and the second short circuit piece Body is connected.

7. electric connector as described in claim 1, it is characterised in that: first difference signal terminal is to including two first Difference signal terminal, each first difference signal terminal include the one first signal contact portion for being revealed in the upper surface, The length of the first signal contact portion is less than the length of the first ground connection contact portion, and second difference signal terminal is to packet Two the second difference signal terminals are included, each second difference signal terminal includes one second letter for being revealed in the lower surface Number contact portion, the length of the second signal contact portion are less than the length of the second ground connection contact portion, first ground terminal Sub and described second ground terminal shifts to install along the vertical direction, and the first short circuit piece and the second short circuit piece are respectively positioned on institute State the front of the first signal contact portion and the second signal contact portion.

8. electric connector as described in claim 1, it is characterised in that: the insulating body periphery is coated with a shielding case, institute State insulating body and contain a shielding piece, the shielding piece be located at first ground terminal and second ground terminal it Between, the shielding piece is located at the described first rear for being shorted piece and the second short circuit piece, and the shielding piece has in plate One main part, at least side of the main part are outward extended with the outside that an extension protrudes from the base portion, the extension Portion is abutted with the inner wall of the shielding case.

9. electric connector as claimed in claim 8, it is characterised in that: the main part be recessed with multiple through-holes with it is multiple described First ground terminal and multiple second ground terminal alignment.

10. electric connector as claimed in claim 8, it is characterised in that: first difference signal terminal is to described second Difference signal terminal is to all having two pairs, and there are two the first ground terminal tools, and there are three the second ground terminal tools, and two First difference signal terminal is alternately arranged in transverse direction to two first ground terminals in the upper surface, Two pairs of second difference signal terminals to and three second ground terminals be alternately arranged in transverse direction in the following table Face, the insulating body contain one first collets and one second collets, two first ground terminals and two pairs of institutes State the first difference signal terminal pair and the shielding piece and the first collets injection molding, three second ground terminals Son and two pairs of second difference signal terminals pair and the second collets injection molding, the base portion and the hyoplastron are common It is coated on the outside of first collets and second collets, it is convex that the two sides of the hyoplastron are convexly equipped with one separately down Rib, described first is shorted the forwardly convex front end in first collets of piece, and the second short circuit piece is forwardly convex in described The front end of second collets.

11. electric connector as claimed in claim 8, it is characterised in that: a mask frame is sheathed on the periphery of the base portion, described Mask frame has the barricade once of barricade and the bottom surface for being fixed on the base portion on the one of the top surface for being fixed on the base portion, The upper barricade, which is bent downward, to be extended at least one first elastic arm and abuts at least 1 first ground terminal elasticity, described Lower barricade, which is folded upward at, to be extended at least one second elastic arm and abuts at least 1 second ground terminal elasticity, the upper screen Shield plate is convexly equipped with an at least convex closure and abuts with the inner wall of the shielding case.

12. electric connector as claimed in claim 11, it is characterised in that: the mask frame further includes that two vertical interconnecting pieces connect Connecing the both ends of the upper barricade and the lower barricade, two vertical interconnecting pieces are close to the two sides of the base portion, and two A vertical interconnecting piece and the upper barricade and the lower barricade are integrally formed.

13. electric connector as claimed in claim 8, it is characterised in that: the shielding case has the first side wall being connected With a second sidewall, the front end of the front end of the first side wall and the second sidewall tilts toward each other in the direction to be extended to form The inner wall of one first fool proof elastic arm and one second fool proof elastic arm, the extension and the first side wall or the second sidewall Inner wall abut against.