CN104183990A - Contact module of high-speed electric connector and manufacture method of module - Google Patents

Contact module of high-speed electric connector and manufacture method of module Download PDF

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Publication number
CN104183990A
CN104183990A CN201310563728.0A CN201310563728A CN104183990A CN 104183990 A CN104183990 A CN 104183990A CN 201310563728 A CN201310563728 A CN 201310563728A CN 104183990 A CN104183990 A CN 104183990A
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CN
China
Prior art keywords
insulator
shielding sheet
fingertip
contact module
grounding component
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
Application number
CN201310563728.0A
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Chinese (zh)
Other versions
CN104183990B (en
Inventor
李斌
王建甫
韩丽丽
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China Aviation Optical Electrical Technology Co Ltd
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China Aviation Optical Electrical Technology Co Ltd
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Filing date
Publication date
Application filed by China Aviation Optical Electrical Technology Co Ltd filed Critical China Aviation Optical Electrical Technology Co Ltd
Priority to CN201310563728.0A priority Critical patent/CN104183990B/en
Publication of CN104183990A publication Critical patent/CN104183990A/en
Application granted granted Critical
Publication of CN104183990B publication Critical patent/CN104183990B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/405Securing in non-demountable manner, e.g. moulding, riveting
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581Shield structure
    • H01R13/6585Shielding material individually surrounding or interposed between mutually spaced contacts
    • H01R13/6586Shielding material individually surrounding or interposed between mutually spaced contacts for separating multiple connector modules
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/20Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
    • H01R43/24Assembling by moulding on contact members

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Abstract

The invention relates to the field of an electric connector and especially relates to a contact module of a high-speed electric connector and a manufacture method of the module. The contact module of the high-speed electric connector comprises an insulator, grounding contacts packaged in the insulator and a shielding piece pasted on the upper side surface of the insulator. The shielding piece is provided with internally-protruding contact fingers. The contact fingers stretch downwards to the insulator. Each grounding contact is fixedly welded with the at least one contact finger of the shielding piece. In the contact module of the high-speed electric connector, since the shielding piece is provided with the contact fingers, the welding place of the grounding contact and the shielding piece is directly transferred to the insulator, larger space is provided for a connecting structure, cooperation surface between the touch fingers and the grounding contacts is enlarged, and the problem that the shielding piece of the conventional contact module for a high-speed electric connector at present is prone to be loosen is solved.

Description

The contact module of high-speed electrical connectors and the manufacture method of this module
Technical field
The present invention relates to electric connector field, particularly relate to a kind of contact module of high-speed electrical connectors and the manufacture method of this module.
Background technology
High-speed electrical connectors is mainly by housing and the stacked contact module composition being assemblied in housing, contact module comprise chip insulator, be encapsulated in the contact in insulator and be fixedly mounted on the shielding sheet at insulator upside place, wherein contact is divided into signal contacting piece and signal contacting piece, in the time that multiple contact module combinations are assemblied in housing, shielding sheet, between the chip insulator of adjacent two contact modules, therefore shields sheet and is called again and between sheet, shields sheet.Because shielding sheet ground connection can be good at crosstalking mutually between Inhibitory signal, between the grounding component of shielding sheet and the contact module under it, be electrically connected, certainly, why high-speed electrical connectors can be widely used in needing the occasion of high speed, high-fidelity, high-quality signal transmission, and the ground connection of above-mentioned shielding sheet has very important contribution therein.
At present, in the contact module of high-speed electrical connectors, the grounding component electric connection mode common with shielding sheet mainly contains two kinds.One is to adopt conductive plastics to make shielding sheet, mode by injection moulding links together shielding sheet and grounding pin, the material of the production technology of this mode to contact and shielding sheet has particular/special requirement, and cost is higher, applies in being unfavorable on a large scale.
By contrast, grounding component and the another kind of connected mode of shielding between sheet just seem and comparatively easily allow people accept.It is the mode that adopts inner cabling, be that contact is to be encapsulated in insulator, wherein grounding component is provided with to the bending structure of shielding sheet projection correspondingly, shielding sheet is provided with the through hole corresponding with bending structure, the end of above-mentioned bending structure is exposed the respective side surface of insulator and is stretched in the respective through hole on shielding sheet, after shielding the accurate location of sheet, solder(ing) paste is smeared at gap place between bending structure and the hole wall of respective through hole, then will shield fixing being electrically connected of sheet and grounding component by Reflow Soldering.This connected mode has realized being connected between shielding sheet and grounding component substantially, but because shielding sheet is very thin, and after requiring welding, scolding tin can not exceed shielding sheet, so very strict to welding process requirement, assembly qualified rate is low, simultaneously bending structure with shield between sheet to deposit tin space very little, welding shields sheet afterwards and grounding component is bonding insecure, therefore in the time that vertical screen sheet is upwards exerted oneself or is being used under vibratory impulse environment, shielding sheet is all easy to split away off from insulator, and once the problems referred to above occur, the earthing failure of sheet will directly be caused shielding.
Summary of the invention
The object of the present invention is to provide a kind of contact module of high-speed electrical connectors, the problem easily getting loose to solve barricade that the current contact module for high-speed electrical connectors exists.
Meanwhile, the object of invention is also the manufacture method of the contact module that above-mentioned high-speed electrical connectors is provided.
In order to address the above problem, the contact module of high-speed electrical connectors is by the following technical solutions: the contact module of high-speed electrical connectors, comprise insulator, be encapsulated in the grounding component in insulator and be mounted on the shielding sheet on insulator upper side, on shielding sheet, there is the fingertip protruding to the inside, this fingertip stretches to downwards in insulator, together with each grounding component is welded and fixed with at least one fingertip of shielding sheet.
The fingertip of shielding sheet stretches in insulator by patchhole set on insulator, the hole wall matched in clearance of fingertip and patchhole.
Described patchhole is the through hole that connects insulator upper and lower side.
The end of described fingertip is provided with U-lag, and grounding component is arranged in corresponding U-lag and the cell wall matched in clearance with U-lag.
Described fingertip is bent and is formed by stamping-out.
In sheet one of described insulator and shielding is provided with reference column, and another is provided with location hole, the plug-in and interference fit of described reference column and location hole.
High-speed electrical connectors contact module manufacture method is by the following technical solutions: the manufacture method of above-mentioned contact module, the method comprises the following steps: 1) make insulator and shielding sheet: in insulator is directly encapsulated in grounding component in the process of moulding by injection mo(u)lding and its, on the upper side of insulator, there is the patchhole corresponding with grounding component, outside grounding component is exposed to by corresponding with it patchhole; Shielding sheet forms by stamping-out, first on shielding sheet, forms a tongue piece by stamping-out, then this tongue piece has just been formed to described shielding sheet to a lateral buckling; 2) insulator of step 1) and shielding sheet are assembled together and are positioned, the fingertip of shielding sheet stretches to inserting in the hole of correspondence with it; 3) fingertip of shielding sheet is welded together with corresponding grounding component.
In step 2) in, the hole wall matched in clearance of fingertip and corresponding patchhole.
On the end of fingertip described in step 1), be also provided with U-lag, grounding component is arranged in corresponding U-lag and the cell wall matched in clearance with U-lag.
One in described insulator and shielding sheet is provided with reference column, another is provided with location hole, plug-in and the interference fit of described reference column and location hole, step 2) in location between insulator and shielding sheet by this reference column and location hole realization.
On the shielding sheet of the contact module of this high-speed electrical connectors, there is the fingertip protruding to the inside, and fingertip stretches in insulator downwards, together with each grounding component is welded and fixed with at least one fingertip of shielding sheet.It is in fact to have made grounding component " initiatively " in existing contact module into shielding sheet " initiatively " with the form that contacts of shielding sheet to contact with grounding component, in the prior art, due to shielding sheet thinner and require scolding tin can not higher than shielding sheet, therefore shield position only actually that sheet coordinates with grounding component and be the section on the thickness direction of shielding sheet, certainly, the size of this section is and is limited, this cannot link together shielding sheet and grounding component certainly firmly, but in the contact module of this high-speed electrical connectors, because be is provided with fingertip on shielding sheet, this has directly transferred to grounding component and the welding position of shielding sheet in insulator, obviously have larger space for syndeton is set, increase the mating surface between fingertip and grounding component, thereby the problem that the barricade that solves the current existence of the contact module for high-speed electrical connectors easily gets loose.
Further, after making the hole wall matched in clearance of fingertip and patchhole, can in welding grounding component and fingertip, fingertip be welded on insulator, further improve its fixing reliability; After patchhole is made as to through hole, can be convenient carry out welding job, in other words, be fingertip can be inserted from one end of patchhole, then carry out welding operation from the other end of patchhole; Gap between U-lag and cell wall thereof and grounding component is in order to increase the mating surface in the time welding between grounding component and fingertip; It is integral type structure with shielding sheet that stamping-out bends the fingertip forming, and is more prone to proof strength; Reference column and location hole have played the effect of location insulator and shielding sheet on the one hand, have also played on the other hand the effect of fixing the two, have shared the burden of insulator with shielding sheet.
Brief description of the drawings
Fig. 1 is the structural representation of the contact module of high-speed electrical connectors;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the structural representation (band contact) of the insulator in Fig. 1;
Fig. 4 is the structural representation of the shielding sheet in Fig. 1;
Fig. 5 is the left view of Fig. 4.
Embodiment
The embodiment of the contact module of high-speed electrical connectors, as Figure 1-5, this contact module comprises contact, insulator 101 and shielding sheet 102.
Contact is divided into grounding component 103 and signal contacting piece 104, and in the present embodiment, grounding component 103 adopts ground connection contact pin, and signal contacting piece 104 is differential pair.
In the form of sheets, the shape of its outline is same as the prior art for insulator 101.In the present embodiment, insulator 101 is to be made by injection moulding, in the process of making, signal contacting piece 104 and grounding component 103 have been encapsulated in insulator 101 simultaneously, insulator 101 is provided with patchhole 11, has located at least one patchhole directly over each grounding component 103, and patchhole 11 makes the corresponding site of grounding component 103 be exposed on outside, in the present embodiment, patchhole 11 is upper and lower penetrating through hole.In addition, in the present embodiment, be also provided with reference column 12 on the upper side of insulator 101, reference column 12 is circular columns.
The structure of shielding sheet 102 is shown in Fig. 4-5, and the shape of its outline is same as the prior art and be mounted on the upper side of insulator 101.Unlike the prior art, on this shielding sheet 102, be also provided with the fingertip 13 extending to the inside, fingertip 13 is corresponding and deep to corresponding patchhole 11 with the patchhole 11 on insulator 101, the hole wall of patchhole 11 and stretch into matched in clearance between fingertip 13 wherein, in the present embodiment, the end of fingertip 13 is provided with U-lag 14, grounding component 103 is arranged in corresponding U-lag and the cell wall matched in clearance with U-lag, it forms to interior lateral buckling by carry out stamping-out on shielding sheet 102 after, is integral structures with shielding sheet 102.Fingertip 13 welds together by the mode of welding and grounding component 103 accordingly after stretching to corresponding inserting in the hole.In addition, shielding is also provided with the location hole 15 corresponding with reference column 12 on insulator 101 on sheet 102, and in the present embodiment, location hole 15 is Hua Xingkong.
In the process that insulator and shielding sheet are assembled together, first realize the location between insulator and shielding sheet by location hole and reference column, reference column and location hole are tentatively fixed together insulator and shielding sheet by interference fit simultaneously, then smear appropriate solder(ing) paste 16 in the patchhole punching of insulator, after Reflow Soldering, scolding tin just can be filled in the gap between grounding component and the fingertip of shielding sheet, thereby the two is reliably contacted, and solder(ing) paste can not overflow the surface of insulator.
In other embodiment of the contact module of high-speed electrical connectors, fingertip can also be molded directly within on shielding sheet, in such cases, due to the hole that has not had to stay after stamping-out fingertip on shielding sheet, can carry out welding job from the other end of patchhole; Patchhole can also be blind hole; The U-lag of fingertip end can also omit.
The embodiment of high-speed electrical connectors contact module manufacture method, the method comprises the following steps: 1) make insulator and shielding sheet: in insulator is directly encapsulated in grounding component in the process of moulding by injection mo(u)lding and its, on the upper side of insulator, there is the patchhole corresponding with grounding component, outside grounding component is exposed to by corresponding with it patchhole, in addition, on the upper side of insulator also direct one form reference column; Shielding sheet forms by stamping-out, first on shielding sheet, form a tongue piece by stamping-out, then this tongue piece has just been formed to described shielding sheet to a lateral buckling, in addition, on the end of described fingertip, be also provided with U-lag, grounding component is arranged in corresponding U-lag and the cell wall matched in clearance with U-lag; On shielding sheet, also there is the location hole that stamping-out forms; 2) insulator of step 1) and shielding sheet are assembled together and are positioned, realize by reference column and location hole location herein, and reference column and location hole interference fit, the fingertip of shielding sheet stretches to it corresponding inserting in the hole, now the hole wall matched in clearance of fingertip and corresponding patchhole; 3) fingertip of shielding sheet is welded together with corresponding grounding component, welding process is as follows, appropriate solder(ing) paste is smeared in patchhole punching at insulator, after Reflow Soldering, scolding tin just can be filled in the gap between grounding component and the fingertip of shielding sheet, thereby the two is reliably contacted, and solder(ing) paste can not overflow the surface of insulator.
The structure of the contact module making by the method is identical with the embodiment of the structure of the contact module of above-mentioned high-speed electrical connectors, please refer to.

Claims (10)

1. the contact module of high-speed electrical connectors, comprise insulator, be encapsulated in the grounding component in insulator and be mounted on the shielding sheet on insulator upper side, it is characterized in that, on shielding sheet, there is the fingertip protruding to the inside, this fingertip stretches to downwards in insulator, together with each grounding component is welded and fixed with at least one fingertip of shielding sheet.
2. the contact module of high-speed electrical connectors according to claim 1, is characterized in that, the fingertip of shielding sheet stretches in insulator by patchhole set on insulator, the hole wall matched in clearance of fingertip and patchhole.
3. the contact module of high-speed electrical connectors according to claim 2, is characterized in that, described patchhole is the through hole that connects insulator upper and lower side.
4. the contact module of high-speed electrical connectors according to claim 1, is characterized in that, the end of described fingertip is provided with U-lag, and grounding component is arranged in corresponding U-lag and the cell wall matched in clearance with U-lag.
5. according to the contact module of the high-speed electrical connectors described in claim 1-4 any one claim, it is characterized in that, described fingertip is bent and is formed by stamping-out.
6. the contact module of high-speed electrical connectors according to claim 1, is characterized in that, in sheet one of described insulator and shielding is provided with reference column, and another is provided with location hole, the plug-in and interference fit of described reference column and location hole.
7. the manufacture method of contact module as claimed in claim 1, it is characterized in that, the method comprises the following steps: 1) make insulator and shielding sheet: in insulator is directly encapsulated in grounding component in the process of moulding by injection mo(u)lding and its, on the upper side of insulator, there is the patchhole corresponding with grounding component, outside grounding component is exposed to by corresponding with it patchhole; Shielding sheet forms by stamping-out, first on shielding sheet, forms a tongue piece by stamping-out, then this tongue piece has just been formed to described shielding sheet to a lateral buckling; 2) insulator of step 1) and shielding sheet are assembled together and are positioned, the fingertip of shielding sheet stretches to inserting in the hole of correspondence with it; 3) fingertip of shielding sheet is welded together with corresponding grounding component.
8. method according to claim 7, is characterized in that, in step 2) in, the hole wall matched in clearance of fingertip and corresponding patchhole.
9. method according to claim 7, is characterized in that, is also provided with U-lag on the end of fingertip described in step 1), and grounding component is arranged in corresponding U-lag and the cell wall matched in clearance with U-lag.
10. method according to claim 7, it is characterized in that, one in described insulator and shielding sheet is provided with reference column, another is provided with location hole, plug-in and the interference fit of described reference column and location hole, step 2) in location between insulator and shielding sheet by this reference column and location hole realization.
CN201310563728.0A 2013-05-22 2013-11-12 The contact module of high-speed electrical connectors and the manufacturing method of the module Active CN104183990B (en)

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Application Number Priority Date Filing Date Title
CN201310563728.0A CN104183990B (en) 2013-05-22 2013-11-12 The contact module of high-speed electrical connectors and the manufacturing method of the module

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CN2013101917992 2013-05-22
CN201310191799 2013-05-22
CN201310191799.2 2013-05-22
CN201310563728.0A CN104183990B (en) 2013-05-22 2013-11-12 The contact module of high-speed electrical connectors and the manufacturing method of the module

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CN104183990B CN104183990B (en) 2018-07-06

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105428939A (en) * 2015-09-30 2016-03-23 中航光电科技股份有限公司 Conductive contact part, electric connector and electric connector assembly
CN106207569A (en) * 2016-07-29 2016-12-07 中航光电科技股份有限公司 High-speed electrical connectors and signaling module thereof and the forming method of signaling module

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1328717A (en) * 1998-11-23 2001-12-26 克罗内有限公司 Screening device for strip terminals in telecommunications and data equipment
US6540556B1 (en) * 2001-12-17 2003-04-01 Speed Tech Corp. Electric connector
CN101517844A (en) * 2006-09-19 2009-08-26 Adc有限公司 Screen
CN202153592U (en) * 2011-07-01 2012-02-29 艾恩特精密工业股份有限公司 Cable connector grounding structure
CN202217874U (en) * 2011-08-25 2012-05-09 许峻辅 High-speed transmission connector with shield earthing structure
CN202268566U (en) * 2011-09-02 2012-06-06 达昌电子科技(苏州)有限公司 Connector

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1328717A (en) * 1998-11-23 2001-12-26 克罗内有限公司 Screening device for strip terminals in telecommunications and data equipment
US6540556B1 (en) * 2001-12-17 2003-04-01 Speed Tech Corp. Electric connector
CN101517844A (en) * 2006-09-19 2009-08-26 Adc有限公司 Screen
CN202153592U (en) * 2011-07-01 2012-02-29 艾恩特精密工业股份有限公司 Cable connector grounding structure
CN202217874U (en) * 2011-08-25 2012-05-09 许峻辅 High-speed transmission connector with shield earthing structure
CN202268566U (en) * 2011-09-02 2012-06-06 达昌电子科技(苏州)有限公司 Connector

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105428939A (en) * 2015-09-30 2016-03-23 中航光电科技股份有限公司 Conductive contact part, electric connector and electric connector assembly
CN106207569A (en) * 2016-07-29 2016-12-07 中航光电科技股份有限公司 High-speed electrical connectors and signaling module thereof and the forming method of signaling module
WO2018018900A1 (en) * 2016-07-29 2018-02-01 中航光电科技股份有限公司 High-speed electrical connector, signal module thereof and method for forming signal module
KR20180099880A (en) * 2016-07-29 2018-09-05 아빅 존혼 옵트로닉 테크놀로지 컴퍼니, 리미티드 High-speed electrical connector and method of forming the signal module and the signal module
CN106207569B (en) * 2016-07-29 2019-04-19 中航光电科技股份有限公司 The forming method of high-speed electrical connectors and its signaling module and signaling module
EP3407430A4 (en) * 2016-07-29 2019-06-26 Avic Jonhon Optronic Technology Co., Ltd. High-speed electrical connector, signal module thereof and method for forming signal module
KR102049393B1 (en) * 2016-07-29 2019-11-27 아빅 존혼 옵트로닉 테크놀로지 컴퍼니, 리미티드 High speed electrical connector, its signal module and molding method of signal module
US10790620B2 (en) 2016-07-29 2020-09-29 Avic Jonhon Optronic Technology Co., Ltd High-speed electrical connector, signal module thereof and method for forming signal module

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