CN104466545A - Electric connector - Google Patents
Electric connector Download PDFInfo
- Publication number
- CN104466545A CN104466545A CN201310439107.1A CN201310439107A CN104466545A CN 104466545 A CN104466545 A CN 104466545A CN 201310439107 A CN201310439107 A CN 201310439107A CN 104466545 A CN104466545 A CN 104466545A
- Authority
- CN
- China
- Prior art keywords
- electric connector
- elastic arm
- terminal
- earth terminal
- connecting portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6581—Shield structure
- H01R13/6582—Shield structure with resilient means for engaging mating connector
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6591—Specific features or arrangements of connection of shield to conductive members
- H01R13/6594—Specific features or arrangements of connection of shield to conductive members the shield being mounted on a PCB and connected to conductive members
Abstract
An electric connector comprises an insulating body, a metal outer shell wrapping the insulating body, a conductive terminal and a metal sheet, wherein the conductive terminal and the metal sheet are accommodated in the insulating body. The conductive terminal comprises a plurality of first terminals which comprise a middle earth terminal and differential signal terminals located on the two sides of the earth terminal. The metal sheet is located between the metal outer shell and the conductive terminal and provided with a first elastic arm and a second elastic arm. The first elastic arm elastically abuts against the metal outer shell, and the second elastic arm elastically abuts against the earth terminal. Accordingly, the EMI prevention effect of the electric connector can be improved, and signal crosstalk between the differential signal terminals is lowered.
Description
[technical field]
The present invention relates to a kind of electric connector, particularly relate to a kind of electric connector with raising EMI suppression effect.
[background technology]
At the end of Year 2008, USB association has issued the USB standard of 3.0 versions, and this kind of USB 3.0 connector increases to be provided with two pairs of difference signal terminal and an earth terminal in order to improve the transmission rate of original USB connector on the basis of original USB 2.0 connector.It is per second that the transmission rate of this kind of USB 3.0 connector can reach 5G, and can the USB of grafting simultaneously 2.0 and USB 3.0 butt connector.But the transmission speed of USB 3.0 connector still can not meet the transmission demand of the electronic equipments such as similar blue-ray DVD.Therefore the transmission speed improving USB of new generation is needed, but while raising speed, often cause signal cross-talk between difference signal terminal to be strengthened, and the EMI suppression effect of connector reduces greatly, the effect of EMI suppression to be considered while improving transmission speed.
Prior art related to the present invention can consult Chinese invention patent No. CN202797485U a kind of electric connector disclosed of on 03 13rd, 2013 bulletins, this electric connector comprises insulating body, the metal shell of coated insulation body, conducting terminal in collecting insulating body, described metal shell encloses insulating body and forms a host cavity, described metal shell roof is provided with the holding piece extended in host cavity, described holding piece and earth terminal overlap, setting like this, EMI suppression effect and the crosstalk effect solved between difference signal terminal of electric connector are not clearly.
Therefore, be necessary to be improved to overcome described defect of the prior art to existing electric connector.
[summary of the invention]
The object of the present invention is to provide a kind of electric connector improving EMI suppression effect.
The object of the invention is to be achieved through the following technical solutions: a kind of electric connector, it comprises insulating body, the metal shell of coated insulation body and the conducting terminal be contained in insulating body, described conducting terminal comprises some the first terminals and some second terminals, described some the first terminals comprise the two pairs of difference signal terminal being positioned at middle earth terminal and being positioned at earth terminal both sides, described metal shell comprises rear wall, wherein said electric connector is provided with the sheet metal between the rear wall and described earth terminal of metal shell, described sheet metal is electrically connected with described earth terminal and described back cover respectively.
In a preferred embodiment, described sheet metal comprises the body of two vertical plates shape, and described body upper end is provided with the first elastic arm, and described body lower end is provided with the second elastic arm, described first elastic arm abuts with metal shell elasticity backward, and described second elastic arm abuts with earth terminal elasticity forward.
In a preferred embodiment, described first elastic arm extends obliquely from body upper end, and described second elastic arm extends obliquely from body lower end, and described first elastic arm and the second elastic arm are positioned at the not homonymy of sheet metal place perpendicular.
In a preferred embodiment, described the first terminal comprises the first holding parts be contained in insulating body, bends the first connecting portion of extension from the first holding parts end downwards and continues the first weld part to downward-extension from the first connecting portion, and the first connecting portion of described second elastic arm and described earth terminal offsets.
In a preferred embodiment, described insulating body also comprises positioning seat, described positioning seat comprises main part, described positioning seat is provided with some the first accepting grooves running through main part up and down, for described first connecting portion of accommodating first terminals, wherein be positioned at the first accepting groove width of the first middle accepting groove width along the longitudinal direction wider than its both sides, to accommodate the body of described sheet metal.
In a preferred embodiment, described in be positioned at the first middle accepting groove and be provided with the opening running through described positioning seat main part backward, described first elastic arm extends rearwardly through described opening and abuts with metal shell elasticity.
In a preferred embodiment, described sheet metal is from up to down assembled to insulating body.
In a preferred embodiment, described rear wall is provided with the rear installation portion to downward-extension.
In a preferred embodiment, the width of the first connecting portion of described earth terminal is wider than the first connecting portion of difference signal terminal, and the first connecting portion being positioned at the difference signal terminal of earth terminal both sides offsets to the side away from earth terminal relative to its first weld part.
In a preferred embodiment, this electric connector is USB 3.0 connector, and the first terminal has flat plate-like contact portion, and the second terminal has arc elastic contact site.
Compared with prior art, the present invention has following beneficial effect: the sheet metal set up, and overlaps respectively, thus strengthen electric connector EMI suppression effect and reduce the crosstalk between difference signal terminal with metal shell and earth terminal.
[accompanying drawing explanation]
Fig. 1 is the stereogram of electric connector of the present invention.
Fig. 2 is the exploded view of electric connector of the present invention.
Fig. 3 is the cutaway view of electric connector of the present invention along A-A line in Fig. 1.
Fig. 4 is the three-dimensional exploded view of electric connector of the present invention.
Fig. 5 is the three-dimensional exploded view of another angle of electric connector of the present invention.
Fig. 6 is the three-dimensional exploded view of another angle of electric connector of the present invention.
[embodiment]
Refer to shown in Fig. 1 to Fig. 3, electric connector 100 of the present invention comprise insulating body 1, coated insulation body 1 metal shell 2, be contained in conducting terminal 3 in insulating body 1 and sheet metal 4.
The hyoplastron 12 refer to shown in Fig. 4 to Fig. 6, described insulating body 1 comprises base portion 11, extending forward from base portion 11 and the bottom-up positioning seat 13 being assembled to base portion 11 rear.Described base portion 11 comprises top 111, the bottom 112 relative with top 111, the both sides 113 connecting top 111 and bottom 112 and the receiving space 114 be positioned on rear side of base portion 11.Described base portion 11 is also provided with 112 projections protruded out 1121 bottom it downwards.Described both sides 113 are provided with fin 1131 outwardly.Described hyoplastron 12 comprises upper surface 121 and the lower surface 122 relative with upper surface 121, and described lower surface 122 is provided with and is somely positioned at the holding slot 1221 be arranged side by side of front end and some accepting grooves 1222 being positioned at holding slot 1221 rear.
Described positioning seat 13 comprises the supporting bracket 132 of main part 131 and the extension of main body 131 bottom forward horizontal.Described main part 131 comprises front end face 1311, two sides 1312, end face 1313, bottom surface 1314, rear end face 1315.Described main part 131 end face 1313 is provided with the first accepting groove 13131 running through described main part 131 up and down, is positioned at the first middle accepting groove 13131 wider compared to the first accepting groove 13131 width along the longitudinal direction of its both sides.Described main part 131 is provided with the portion that steps down 13132 continuing to run through backward described rear end face 1315 from the first accepting groove 13131 rear end being positioned at centre, described main part 131 front end face 1311 is provided with some fixing blocks 13111 outstanding forward, and described fixing block 13111 main body 131 end face 1313 extends downward supporting bracket 132 upper end.Described supporting bracket 132 is provided with the through hole 1321 that runs through up and down in order to coordinate with the projection 1121 on base portion 11, and positioning seat 13 is firmly assembled to base portion 11.Described supporting bracket 132 is also provided with some second accepting grooves 1322, and described second accepting groove 1322 to be positioned on rear side of through hole 1321 and to be positioned at the dead ahead of described fixing block 13111, and is correspondingly arranged in a row.
Shown in Fig. 4, described metal shell 2 is by metal material integrated punching bending forming, and described metal shell 2 encloses hyoplastron 12 and forms a host cavity 10.Described metal shell 2 comprises roof 21, the diapire 22 relative with roof 21, the two side 23 connecting roof 21 and diapire 22 and rear wall 24.Described rear wall 24 is extended by two side 23 trailing edge and level is bent to form in opposite directions.The roof 21 of described metal shell 2 and diapire 22 are respectively equipped with some the first elastic arm 211 and the second elastic arms 221 extended in host cavity 10.Each sidewall 23 described is equipped with the 3rd elastic arm 231 extended in host cavity 10.Described roof 21 is also additionally provided with one and extends into holding piece 212 in host cavity, described holding piece 212 between two first elastic arms 211, in order to strengthen and the resist force of butt connector (not shown).Installation portion 232 before downward-extension is provided with on rear side of described two side 23, described rear wall 24 is provided with and continues to the rear installation portion 241 of downward-extension, and described front installation portion 232 and rear installation portion 241 are worked in coordination and to be firmly fixed on circuit board (not shown) by electric connector 100.Described two side 23 is provided with strip holding slot 233 near rear wall 24 place, described holding slot 233 in order to hold with the fin 1131 on base portion 11, the fixation of reinforced insulation body 1 and metal shell 2.
With reference to shown in Fig. 2 to Fig. 4, and shown in composition graphs 6, some second terminals 32 that described conducting terminal 3 comprises some the first terminals 31 and arranges with the first terminal 31 time interval, described the first terminal 31 takes shape in for edge buries in insulating body 1, described the first terminal 31 comprises the first holding parts (not shown) of being contained in hyoplastron 12 and continues the first contact site 312 of extending forward from the first holding parts, and described first contact site 312 is roughly exposed in described holding slot 1221 in tabular.Described the first terminal 31 also comprise from the first holding parts (not shown) end bend downwards and continue extend the first connecting portion 313 and continue the first weld part 314 to downward-extension from the first connecting portion 313.Described first connecting portion 313 to be contained in the first accepting groove 13131, and described first weld part 314 extends beyond described positioning seat 13 downwards.Described second terminal 32 is for be assembled in described insulating body 1 from back to front, it comprises the second holding parts 321 be contained in accepting groove 1222 and the second contact site 322 extended forward from the second holding parts 321, bends the second connecting portion 323 of extension downwards and continue the second weld part 324 to downward-extension from the second connecting portion 323 from the second holding parts 321 end.Second connecting portion 323 pushes against in the receiving space 114 of base portion 11 by the described fixing block 13111 of positioning seat 13, and described second weld part 324 extends beyond the bottom surface of described positioning seat 13 downwards through the second accepting groove 1322.Described the first terminal 31 is five, middle earth terminal 33 and two is positioned to the difference signal terminal 34 laying respectively at earth terminal 33 both sides comprising one, first connecting portion 313 of described earth terminal 33 is wider than the width of the first connecting portion 313 of described difference signal terminal 34, the first connecting portion 313 near earth terminal 33 in often pair of described difference signal terminal 34 offsets to the direction away from earth terminal 33 relative to corresponding first weld part 314, strengthen the spacing of difference signal terminal 34 and earth terminal 33, in order to reduce the signal cross-talk between conducting terminal 2.
With reference to shown in Fig. 2 to Fig. 5, described sheet metal 4 is roughly two vertical plates shape structure and between earth terminal 33 and metal shell 2, described sheet metal 4 comprises the body 41 of two vertical plates shape, described body 41 comprises the first elastic arm 411 being positioned at upper end and the second elastic arm 412 being positioned at lower end, described first elastic arm 411 extends obliquely from body 41 upper end, and described second elastic arm 412 extends obliquely from body 41 lower end and the first elastic arm 411 and the second elastic arm 412 lay respectively at rear side and the front side of sheet metal 4 place perpendicular.Described body 41 is from up to down assembled to the first connecting portion 313 first accepting groove 13131 containing earth terminal 33 be positioned in the middle of positioning seat 13, and described first elastic arm 411 abuts with metal shell 2 rear wall 21 phase elasticity backward through the portion of stepping down 13132.Described second elastic arm 412 abuts with the first connecting portion 313 elasticity of described earth terminal 33 forward.
The sheet metal 4 of electric connector 100 of the present invention is at least provided with first elastic arm 411 overlapped with metal shell 2 and the second elastic arm 421 overlapped with the first connecting portion 313 of earth terminal 33, thus add the grounding path with earth terminal 33, and then improve the EMI suppression effect of electric connector 100 and the signal cross-talk between reduction difference signal terminal.And this sheet metal 4 structure is simply convenient to manufacture.
Above content this case is invented to the further detailed description done in conjunction with concrete preferred implementation, can not assert that specific embodiment of the invention is confined to these explanations.Corresponding general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, should be all for belonging to protection scope of the present invention.
Claims (10)
1. an electric connector, it comprises insulating body, the metal shell of coated insulation body and the conducting terminal that is contained in insulating body, described conducting terminal comprises some the first terminals and some second terminals, described some the first terminals comprise the two pairs of difference signal terminal being positioned at middle earth terminal and being positioned at earth terminal both sides, described metal shell comprises rear wall, it is characterized in that: described electric connector is provided with the sheet metal between the rear wall and described earth terminal of metal shell, described sheet metal is electrically connected with described earth terminal and described rear wall respectively.
2. electric connector as claimed in claim 1, it is characterized in that: described sheet metal comprises the body of two vertical plates shape, described body upper end is provided with the first elastic arm, described body lower end is provided with the second elastic arm, described first elastic arm abuts with metal shell elasticity backward, and described second elastic arm abuts with earth terminal elasticity forward.
3. electric connector as claimed in claim 2, it is characterized in that: described first elastic arm extends obliquely from body upper end, described second elastic arm extends obliquely from body lower end, and described first elastic arm and the second elastic arm are positioned at the not homonymy of sheet metal place perpendicular.
4. electric connector as claimed in claim 1, it is characterized in that: described the first terminal comprises the first holding parts be contained in insulating body, bends the first connecting portion of extension from the first holding parts end downwards and continues the first weld part to downward-extension from the first connecting portion, and the first connecting portion of described second elastic arm and described earth terminal offsets.
5. electric connector as claimed in claim 4, it is characterized in that: described insulating body also comprises positioning seat, described positioning seat comprises main part, described positioning seat is provided with some the first accepting grooves running through main part up and down, for described first connecting portion of accommodating first terminals, wherein be positioned at the first accepting groove width of the first middle accepting groove width along the longitudinal direction wider than its both sides, to accommodate the body of described sheet metal.
6. electric connector as claimed in claim 5, is characterized in that: described in be positioned at the first middle accepting groove and be provided with the opening running through described positioning seat main part backward, described first elastic arm extends rearwardly through described opening and abuts with metal shell elasticity.
7. electric connector as claimed in claim 1, is characterized in that: described sheet metal is from up to down assembled to insulating body.
8. electric connector as claimed in claim 4, is characterized in that: described rear wall is provided with the rear installation portion to downward-extension.
9. electric connector as claimed in claim 5, it is characterized in that: the width of the first connecting portion of described earth terminal is wider than the first connecting portion of difference signal terminal, and the first connecting portion being positioned at the difference signal terminal of earth terminal both sides offsets to the side away from earth terminal relative to its first weld part.
10. electric connector as claimed in claim 1, is characterized in that: this electric connector is USB 3.0 connector, and the first terminal has flat plate-like contact portion, and the second terminal has arc elastic contact site.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310439107.1A CN104466545B (en) | 2013-09-25 | 2013-09-25 | Electric connector |
| US14/495,846 US9356404B2 (en) | 2013-09-25 | 2014-09-24 | Electrical connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310439107.1A CN104466545B (en) | 2013-09-25 | 2013-09-25 | Electric connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104466545A true CN104466545A (en) | 2015-03-25 |
| CN104466545B CN104466545B (en) | 2017-12-05 |
Family
ID=52912166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310439107.1A Active CN104466545B (en) | 2013-09-25 | 2013-09-25 | Electric connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104466545B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110870146A (en) * | 2017-07-14 | 2020-03-06 | 浩亭电子有限公司 | Printed circuit board plug connector with shielding element |
| CN113690687A (en) * | 2020-05-19 | 2021-11-23 | 华为技术有限公司 | Connector, connector assembly and electronic equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7837499B1 (en) * | 2009-11-12 | 2010-11-23 | U.D. Electronic Corp. | USB connector |
| CN201682097U (en) * | 2010-01-12 | 2010-12-22 | 达昌电子科技(苏州)有限公司 | Connector structure |
| CN102315560A (en) * | 2010-07-01 | 2012-01-11 | 泰科电子(上海)有限公司 | Electric connector |
| CN102904095A (en) * | 2011-07-28 | 2013-01-30 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
-
2013
- 2013-09-25 CN CN201310439107.1A patent/CN104466545B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7837499B1 (en) * | 2009-11-12 | 2010-11-23 | U.D. Electronic Corp. | USB connector |
| CN201682097U (en) * | 2010-01-12 | 2010-12-22 | 达昌电子科技(苏州)有限公司 | Connector structure |
| CN102315560A (en) * | 2010-07-01 | 2012-01-11 | 泰科电子(上海)有限公司 | Electric connector |
| CN102904095A (en) * | 2011-07-28 | 2013-01-30 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110870146A (en) * | 2017-07-14 | 2020-03-06 | 浩亭电子有限公司 | Printed circuit board plug connector with shielding element |
| US11101603B2 (en) | 2017-07-14 | 2021-08-24 | HARTING Electronics GmbH | Printed circuit board connector with a shield element |
| CN110870146B (en) * | 2017-07-14 | 2021-10-22 | 浩亭电子有限公司 | Printed circuit board plug connector with shielding element |
| CN113690687A (en) * | 2020-05-19 | 2021-11-23 | 华为技术有限公司 | Connector, connector assembly and electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104466545B (en) | 2017-12-05 |
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