CN107359450A - Electric connector - Google Patents

Electric connector Download PDF

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Publication number
CN107359450A
CN107359450A CN201710480113.XA CN201710480113A CN107359450A CN 107359450 A CN107359450 A CN 107359450A CN 201710480113 A CN201710480113 A CN 201710480113A CN 107359450 A CN107359450 A CN 107359450A
Authority
CN
China
Prior art keywords
collets
interface
electric connector
terminal
slot
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.)
Pending
Application number
CN201710480113.XA
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Chinese (zh)
Inventor
隆权
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lotes Guangzhou Co Ltd
Original Assignee
Lotes Guangzhou Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Lotes Guangzhou Co Ltd filed Critical Lotes Guangzhou Co Ltd
Publication of CN107359450A publication Critical patent/CN107359450A/en
Pending legal-status Critical Current

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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
    • H01R13/6585—Shielding material individually surrounding or interposed between mutually spaced contacts
    • H01R13/6586—Shielding material individually surrounding or interposed between mutually spaced contacts for separating multiple connector modules
    • 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
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/51—Fixed connections for rigid printed circuits or like structures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/7082—Coupling device supported only by cooperation with PCB
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
    • H01R12/716—Coupling device provided on the PCB
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
    • H01R12/722—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits
    • 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
    • H01R13/02—Contact members
    • 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
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • 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
    • H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
    • H01R13/6461—Means for preventing cross-talk
    • 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  
    • 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  
    • H01R13/652—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding   with earth pin, blade or socket
    • 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
    • H01R13/6585—Shielding material individually surrounding or interposed between mutually spaced contacts
    • 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
    • H01R13/6585—Shielding material individually surrounding or interposed between mutually spaced contacts
    • H01R13/6586—Shielding material individually surrounding or interposed between mutually spaced contacts for separating multiple connector modules
    • H01R13/6587—Shielding material individually surrounding or interposed between mutually spaced contacts for separating multiple connector modules for mounting on PCBs
    • 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
    • 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
    • H01R13/6596—Specific features or arrangements of connection of shield to conductive members the conductive member being a metal grounding panel
    • 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
    • H01R13/6597—Specific features or arrangements of connection of shield to conductive members the conductive member being a contact of the 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
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/06—Connectors or connections adapted for particular applications for computer periphery

Abstract

The invention discloses a kind of electric connector, including insulating body, forward extend including base portion and by base portion the hyoplastron formed, hyoplastron has the first interface, the second interface and the 3rd interface, hyoplastron is provided with a convex portion between the first interface and the 3rd interface, second interface is located on convex portion, and recessed first slot, the first slot are extended in convex portion forward for the rear end of base portion；The first terminal module is inserted in the first slot, the first terminal module includes the first collets, the first end subgroup being immobilizated in the first collets and the first shielding case being coated on outside the first collets and first end subgroup, first end subgroup is revealed in the second interface, first shielding case covers first end subgroup, the first difference signal terminal is effectively reduced to caused noise, cross-talk is improved, makes the high frequency performance of electric connector good.

Description

Electric connector
Technical field
The present invention relates to a kind of electric connector, refers in particular to a kind of electric connector for transmitting high-frequency signal.
Background technology
Serial connecting small computer system interface（Serial Attached SCSI, SAS）It is that parallel SCSI is based on string The development of row technology, in addition to having higher signaling rate advantage, the advantages of another is notable is that SAS interfaces can be with SATA interface is compatible, i.e., SATA plug connectors can be inserted directly into SAS socket connectors.In this way, system architecture can Flexibly to integrate SAS or SATA device, and substantially reduce the cost for supporting two separate interfaces.
A kind of existing electric connector includes insulating body, and insulating body, which has a pedestal and extended forward by pedestal, to be formed A hyoplastron, the hyoplastron is provided with the first docking section, the second docking section and the 3rd docking section, the first docking section and the 3rd docking section Between be provided with convex portion, on convex portion, the first docking section, the second docking section and the 3rd docking section are respectively equipped with for the second docking site One terminal group, Second terminal group and third terminal group.Second terminal group includes three ground terminals and two pairs of difference signal terminals Right, difference signal terminal pair is spaced with ground terminal, a conducting strip extend to be formed three conducting pins connect respectively with each Ground termination contact.
However, conducting strip is only by difference signal terminal is reduced to caused noise by ground terminal conducting, can not Difference signal terminal is effectively shielded to itself, crosstalk problem or serious, it is therefore necessary to which design is a kind of preferably Connector, to overcome above mentioned problem.
The content of the invention
It is an object of the invention to provide a kind of electric connector, by inserting a shielding case in pedestal and hyoplastron and surrounding end Son, to reach the good effect of electric connector high frequency performance.
In order to achieve the above object, the present invention adopts the following technical scheme that：
A kind of electric connector, including：Insulating body, including a base portion and extend the hyoplastron formed, institute forward by the base portion Stating hyoplastron has one first interface, one second interface and one the 3rd interface, the hyoplastron in first interface with A convex portion is provided between 3rd interface, second interface is located on the convex portion, and the rear end of the base portion is recessed forward If one first slot, first slot is extended in the convex portion；One the first terminal module is inserted in first slot Interior, the first terminal module includes one first collets, the first end subgroup being immobilizated in first collets and bag One first shielding case being overlying on outside first collets and first end subgroup, the first end subgroup are revealed in described second pair Junction.
Further, first shielding case has one first covering portion of ring-type and extended forward from first covering portion One first portion formed, first covering portion coat first collets, and first portion inserts the convex portion In first slot.
Further, first covering portion is provided with least one first shell fragment, and the first slot internal face protrudes out one first Stop block, first stop block the first shell fragment described in block forward.
Further, the rear end face of first stop block is provided with inclined one first guiding face.
Further, first covering portion is provided with least one second shell fragment, and first collets are provided with one second block Block, the second gear stops the second shell fragment described in block forward.
Further, the second stop block rear end face is provided with inclined one second guiding face.
Further, the first end subgroup includes three the first ground terminals and two pair of first difference signal terminal pair, institute The first ground terminal and the difference signal terminal are stated to being alternately arranged and first ground terminal is located at outermost, described A piece of portion is shielded in the top of first difference signal terminal pair and the first ground terminal.
Further, first difference signal terminal to be fixedly arranged on first collets one first holding parts, One first contact site of the first collets front end face is extended anteriorly out by first holding parts and is held by described first Portion extends back one first weld part of the first collets rear end face, and first portion is provided with a first through hole, institute State the first contact site and be revealed in the first through hole.
Further, the convex portion is provided with one second through hole, and first contact site is revealed in second through hole.
Further, first shielding case has at least one first extension, and first extension wraps from described first The portion of covering extends rearwardly to form, and first extension covers first weld part.
Further, first ground terminal, which has, is fixedly arranged on one second holding parts of first collets, by described Second holding parts extend anteriorly out one second contact site of the first collets front end face and by second holding parts backward Extend one second weld part of the first collets rear end face, first covering portion is provided with least one first grounding leg, First grounding leg and second weld part are being welded on the same solder joint on a circuit board.
Further, first portion is convexly equipped with one first elastic portion, first elastic portion and first earth terminal Elastic contact.
Further, the thickness of first ground terminal is more than the thickness of first difference signal terminal pair.
Further, first interface and the 3rd interface are located at the upper surface of the hyoplastron, second interface Positioned at the lower surface of the hyoplastron, first interface is provided with a Second terminal group, and the 3rd interface is provided with one the 3rd Terminal group.
Further, one second slot of recessed formation, second slot extend to described forward for the rear end of the base portion Corresponding to first interface in the hyoplastron, a Second terminal module, the Second terminal mould are inserted with second slot Group includes one second collets, the Second terminal group being immobilizated in second collets and is coated on second insulation A secondary shielding shell outside block and Second terminal group.
Compared to the prior art, the invention has the advantages that：The rear end of the pedestal forward recessed one first Slot, first slot are extended in the convex portion, and a first terminal module is inserted in first slot, the first terminal Module includes the first collets, the first end subgroup in first collets and is coated on the first collets and first end One first shielding case outside subgroup.First shielding case covers the first terminal group, is effectively reduced the first difference letter Number terminal improves cross-talk to caused noise.
【Brief description of the drawings】
Fig. 1 is the three-dimensional exploded view of electric connector of the present invention；
Fig. 2 is the three-dimensional exploded view at another visual angle of electric connector of the present invention；
Fig. 3 is the three-dimensional exploded view of the first terminal module of electric connector of the present invention；
Fig. 4 is the three-dimensional exploded view of the Second terminal module of electric connector of the present invention；
Fig. 5 is the phantom of electric connector of the present invention；
Fig. 6 is the phantom at another visual angle of electric connector of the present invention；
Fig. 7 is the sectional view of electric connector of the present invention；
Fig. 8 is the stereogram of the first terminal module of electric connector of the present invention；
Fig. 9 is the stereogram of the Second terminal module of electric connector of the present invention.
The drawing reference numeral explanation of embodiment：
Electric connector 100 Insulating body 1 Base portion 11 Guide channel 111
Holding tank 112 Hyoplastron 12 First interface 121 Second interface 122
3rd interface 123 Convex portion 124 Fourth hole 125 Second through hole 126
Second slot 13 Third gear stops 131 3rd guiding face 132 First slot 14
First stop block 141 First guiding face 142 Second terminal module 2 Second terminal group 21
Second difference signal terminal is to 211 3rd holding parts 2111 3rd contact site 2112 3rd weld part 2113
Second ground terminal 212 4th holding parts 2121 4th contact site 2122 4th weld part 2123
Secondary shielding shell 22 Second covering portion 221 Second portion 222 Second grounding leg 223
3rd shell fragment 224 4th shell fragment 225 Second extension 226 Third through-hole 227
Second elastic portion 228 Second collets 23 The first terminal module 3 First end subgroup 31
First difference signal terminal is to 311 First holding parts 3111 First contact site 3112 First weld part 3113
First ground terminal 312 Second holding parts 3121 Second contact site 3122 Second weld part 3123
First shielding case 32 First covering portion 321 First portion 322 First grounding leg 323
First shell fragment 324 Second shell fragment 325 First extension 326 First through hole 327
First elastic portion 328 First collets 33 Second stop block 331 Second guiding face 332
Third terminal group 4 Circuit board 5 Solder joint 51 Breach 52
First surface 53 Second surface 54
【Embodiment】
For ease of being better understood from the purpose of the present invention, structure, feature and effect etc., in conjunction with the drawings and specific embodiments The invention will be further described.
As shown in Fig. 2, Fig. 4 and Fig. 7, electric connector 100 of the invention is used to be docked to a butt connector（It is not shown）, The electric connector 100 is arranged in a breach 52 of a circuit board 5, i.e. depositing plate type structure.The electric connector 100 includes one Insulating body 1, a first terminal module 3, a Second terminal module 2 and a third terminal group in the insulating body 1 4。
As shown in Figure 1, Figure 2 and Figure 7, the insulating body 1 is in lengthwise shape, have a base portion 11 and from the base portion 11 to The hyoplastron 12 that preceding extension is formed, the hyoplastron 12 is with one first interface 121, one second interface 122 and one the 3rd pair Junction 123.First interface 121 is located at the upper surface of the hyoplastron 12 with the 3rd interface 123 and described first docks A convex portion 124 is provided between the interface 123 of face 121 and the 3rd, second interface 122 is located on the convex portion 124 and position In the lower surface of the convex portion 124, i.e., described second interface 122 is located at the lower surface of the hyoplastron 12.The base portion 11 Both ends respectively forwardly extend to form two guide channels 111, for guiding the butt connector（It is not shown）Grafting.The base portion 11 both sides further respectively have a holding tank 112, and the circuit board 5 is held on the holding tank 112.
The base portion 11 forms one first slot 14 and one second slot 13 respectively from its rear end is recessed forward.Described One slot 14 is extended in the convex portion 124.Second slot 13 extends to the tongue corresponding to first interface 121 In plate 12.The slot 14 of second slot 13 and first penetrates the front end face and rear end face of the base portion 11, second slot 13 and first slot 14 do not extend through the front end face of the hyoplastron 12.The inwall of first slot 14 protrudes out one first block Block 141, the inwall of second slot 13 protrude out a third gear stops 131.The rear end face of first stop block 141 is provided with one First guiding face 142, the rear end face of the third gear stops 131 are provided with one the 3rd guiding face 132.Such as Fig. 1 and Fig. 5, the tongue Plate 12 is provided with a fourth hole 125.The convex portion 124 is provided with one second through hole 126.The fourth hole 125 and second Through hole 126 runs through the upper and lower surface of the hyoplastron 12.
Such as Fig. 2 and Fig. 3, the Second terminal module 2 includes one second collets 23, is immobilizated in second collets 23 An interior Second terminal group 21 and the secondary shielding shell 22 being coated on outside second collets 23 and Second terminal group 21, institute Second terminal module 2 is stated to insert in second slot 13.The Second terminal group 21 is in horizontal several rows of row and described the Two-terminal group 21 is revealed in the first interface 121 of the hyoplastron 12.The edge of Second terminal group 21, which buries, takes shape in described second In collets 23, the Second terminal group 21 includes three the second ground terminals 212 and two pair of second difference signal terminal pair 211, second ground terminal 212 and second difference signal terminal is alternately arranged to 211 and second ground terminal 212 are located at outermost.
Such as Fig. 2 and Fig. 3, second difference signal terminal include being immobilizated in second collets 23 to 211 one 3rd holding parts 2111, extend anteriorly out by the 3rd holding parts 2111 that the front end face of second collets 23 is formed one Three contact sites 2112 and one the 3rd weldering that the rear end face of the second collets 23 is extended back by the 3rd holding parts 2111 Socket part 2113.Second ground terminal 212 include being immobilizated in one the 4th holding parts 2121 in second collets 23, by 4th holding parts 2121 extend anteriorly out one the 4th contact site 2122 that the front end face of the second collets 23 formed and by 4th holding parts 2121 extend back one the 4th weld part 2123 of the rear end face of the second collets 23.Described second Collets 23 are located in the second slot 13 of the base portion 11.The secondary shielding shell 22 includes one second covering portion of ring-type 221 and formed one second portion 222 is extended forward by the second covering portion 221.Second covering portion 221 coats described second Collets 23 are simultaneously inserted in the second slot 13 of the base portion 11, and second portion 222 inserts described the of the hyoplastron 12 In two slots 13.Second portion 222 is shielded in second difference signal terminal to 211 and second ground terminal 212 Lower section.
Such as Fig. 1, Fig. 5 and Fig. 8, second portion 222 is provided with a third through-hole 227, and the 3rd contact site 2112 is aobvious The third through-hole 227 is exposed to, the 3rd contact site 2112 is also revealed in the fourth hole 125 of the hyoplastron 12.Institute State the second covering portion 221 and be provided with one the 3rd shell fragment 224 and one the 4th shell fragment 225.3rd shell fragment 224 and the 4th shell fragment 225 It is located at the both sides up and down of second covering portion 221 respectively.The third gear stops 131 that the inwall of second slot 13 protrudes out 3rd shell fragment 224 described in block forward.So that the electric connector 100 and the butt connector（It is not shown）The process of plug In, what the Second terminal module 2 can be stablized is immobilizated in second slot 13.Second collets 23 are provided with one the Four stop blocks（It is not shown, similarly hereinafter）, the fourth gear stops the 4th shell fragment 225 described in block forward so that second insulation Block 23 is firmly immobilizated in the secondary shielding shell 22.The fourth gear stops rear end face is provided with one the 4th guiding face（Do not scheme Show, similarly hereinafter）.Second covering portion 221 is provided with multiple second grounding legs 223, the earth terminal of the second grounding leg 223 and second Son 212 is being welded on the same solder joint 51 on the circuit board 5.Second portion 222 has protruded out one second elasticity Portion 228, second elastic portion 228 and the Elastic Contact of the second ground terminal 212 so that the secondary shielding shell 22 is fine Ground connection, so as to having shielding action to the Second terminal group 21.Improve the cross-talk and high frequency of the electric connector 100.
Such as Fig. 1 and Fig. 2, the first terminal module 3 includes one first collets 33, is immobilizated in first collets 33 An interior first end subgroup 31 and one first shielding case 32 being coated on outside first collets 33 and first end subgroup 31, institute The first terminal module 3 is stated to insert in first slot 14.The first end subgroup 31 is in horizontal several rows of row and described the One terminal group 31 is revealed in the lower surface of the convex portion 124, i.e., described first end subgroup 31 is revealed in second interface 122.The edge of first end subgroup 31, which buries, to be taken shape in first collets 33, and the first end subgroup 31 includes three first Ground terminal 312 and two pair of first difference signal terminal are to 311, the difference signal terminal of the first ground terminal 312 and first It is alternately arranged to 311 and first ground terminal 312 is located at outermost.
Such as Fig. 1, Fig. 4 and Fig. 6, first difference signal terminal includes being immobilizated in first collets 33 to 311 One first holding parts 3111, by first holding parts 3111 extend anteriorly out what the front end face of the first collets 33 was formed One first contact site 3112 and extend back the one of the rear end face of the first collets 33 by first holding parts 3111 One weld part 3113.First ground terminal 312 includes one second holding parts being immobilizated in first collets 33 3121st, one second contact site that the front end face of the first collets 33 formed is extended anteriorly out by second holding parts 3121 3122 and one second weld part 3123 of the rear end face of the first collets 33 is extended back by second holding parts 3121. First collets 33 are located in the first slot 14 of the base portion 11.
Such as Fig. 1, Fig. 6 and Fig. 7, first shielding case 32 includes one first covering portion 321 of ring-type and by the first cladding Portion 321 extends forward one first portion 322 of formation.First covering portion 321 coats first collets 33 and inserted In first slot 14 of the base portion 11, first portion 322 is inserted in first slot 14 of the convex portion 124.Institute State first portion 322 be shielded in first difference signal terminal to 311 and first ground terminal 312 top.Described first Piece portion 322 is provided with a first through hole 327, and first contact site 3112 is revealed in the first through hole 327, first contact Portion 3112 is also revealed in second through hole 126 of the convex portion 124.First covering portion 321 is provided with multiple first shell fragments 324 and second shell fragment 325.The shell fragment 325 of first shell fragment 324 and second is respectively above and below first covering portion 321 Both sides.First stop block 141 that the inwall of first slot 14 protrudes out the first shell fragment 324 described in block forward.So that institute State electric connector 100 and the butt connector（It is not shown）During plug, what the first terminal module 3 can be stablized It is immobilizated in first slot 14.First collets 33 are provided with one second stop block 331, second stop block 331 Second shell fragment 325 described in block forward so that first collets 33 are firmly immobilizated in first shielding case 32.Institute State the rear end face of the second stop block 331 and be provided with one second guiding face 332.
Such as Fig. 1, Fig. 4 and Fig. 9, first covering portion 321 is provided with multiple first grounding legs 323, first grounding leg 323 and first ground terminal 312 being welded on the same solder joint 51 on the circuit board 5.First portion 322 is convex Stretching has one first elastic portion 328, first elastic portion 328 and the Elastic Contact of the first ground terminal 312 so that described the One shielding case 32 is grounded, so as to have shielding action to the first end subgroup 31.Improve the cross-talk and height of the electric connector 100 Frequently.
As shown in Fig. 2, Fig. 8 and Fig. 9, because second difference signal terminal is to 211 and the first differential signal end Son is surrounded by the shielding case 32 of secondary shielding shell 22 and first respectively to 311.Second portion 222 of the secondary shielding shell 22 Second elastic portion 228 and the Elastic Contact of the second ground terminal 212 so that the secondary shielding shell 22 is grounded.And And the second grounding leg 223 of the secondary shielding shell 22 is welded on the circuit board 5 simultaneously with second ground terminal 212 On same solder joint 51, the space of the circuit board 5 is saved so that secondary shielding shell 22 can be preferably grounded.Similarly, institute The first shielding case 32 is stated to be grounded also by the first elastic portion 328 and the first grounding leg 323, therefore the second difference signal terminal pair 211 and first difference signal terminal interference signal caused by 311 can be excluded in time, ensure the stable biography of high-frequency signal It is defeated.The thickness of second ground terminal 212 is more than second difference signal terminal to 211 thickness, second ground connection Terminal 212 can preferably shield second difference signal terminal to 211 signal interferences.First ground terminal 312 Thickness is more than first difference signal terminal to 311 thickness, and first ground terminal 312 can preferably shield described First difference signal terminal is to 311 signal interferences.Second extension 226 covers second difference signal terminal to 211 The 3rd weld part 2113, have good shielding action, institute to 211 signal interference to second difference signal terminal State the first extension 326 and cover first difference signal terminal to 311 first weld part 3113, it is poor to described first Sub-signal terminal has good shielding action to 311 signal interference.
As shown in Figure 1, Figure 2 and Figure 7, the edge of Second terminal group 21 is embedded in second collets 23, the first end The edge of subgroup 31 is embedded in first collets 33, and second collets 23 and first collets 33 can ensure described the The normotopia degree of two-terminal group 21 and the first end subgroup 31.First stop block 141 of the inwall of first slot 14 to First shell fragment 324 of the first shielding case 32 described in preceding block, the second stop block 331 of first collets 33 block institute forward The second shell fragment 325 of the first shielding case 32 is stated, so as to ensure that first shielding case 32 is stable in first slot 14, institute The first collets 33 are stated to be stable in first shielding case 32.Second guiding face 332 of second stop block 331 can draw Lead the periphery that first shielding case 32 is assembled in first collets 33.Then, the first of first stop block 141 is led Draw face 142, first shielding case 32 can be guided to insert in first slot 14.
It is identical with the structural principle of the first terminal module 3, the fourth gear stops of second collets 23 block institute forward The 4th shell fragment 225 of secondary shielding shell 22 is stated, so as to ensure that the secondary shielding shell 22 is stable in second slot 13, institute The second collets 23 are stated to be stable in the secondary shielding shell 22.4th guiding face of the fourth gear stops can guide described Secondary shielding shell 22 is assembled in the periphery of second collets 23.Then, the 3rd guiding face of the third gear stops 131 132, the secondary shielding shell 22 can be guided to insert in second slot 13.It is same for first slot 14 and the One Terminals Die group 3.
As shown in Figure 2, Figure 5 and Figure 6, second difference signal terminal appears to 211 the 3rd contact site 2112 The fourth hole 125 in the third through-hole 227 on the hyoplastron 12 and second portion 222 so that described second is poor Sub-signal terminal is able to be exposed in air to 211 the 3rd contact site 2112, and because dielectric constant of air is low, described second is poor Sub-signal terminal has more preferable high frequency characteristics in high-frequency transmission to 211.Likewise, first difference signal terminal pair 311 first contact site 3112 is revealed in the first through hole 327 on the convex portion 124 and the institute in first portion 322 State the second through hole 126 so that first difference signal terminal is able to be exposed in air to 311 the first contact site 3112, Because dielectric constant of air is low, first difference signal terminal has more preferable high frequency characteristics in high-frequency transmission to 311.
As shown in Figure 2 and Figure 6, the circuit board 5 has the first surface 53 and a second surface 54 being oppositely arranged, institute State first surface 53 and the second surface 54 is respectively equipped with multiple solder joints 51, the Second terminal group 21 and the third terminal Group 4 is welded in the first surface 53, and the first end subgroup 31 is welded in the second surface 54.The secondary shielding shell 22 Multiple second grounding legs 223 be respectively welded in the first surface 53 and the second surface 54, second described in two of which Grounding leg 223 is welded in the same solder joint 51 of the first surface 53, and multiple the first of first shielding case 32 connects Lower margin 323 is respectively welded in the first surface 53 and the second surface 54, and two first grounding legs 323 are respectively with two First ground terminal 312 of side is welded in the same solder joint 51 of the second surface 54.Thus, the secondary shielding shell 22 not only stably can be welded in the circuit board 5, and can save the arrangement space of second grounding leg 223, it is not necessary to extra Increase the length of the insulating body 1.
In summary, the invention has the advantages that：
1. first slot 14 is located in the base portion 11 and extended in the convex portion 124, the first terminal module 3 is inserted Enter in first slot 14, first shielding case 32 is coated outside the collets 33 of first end subgroup 31 and first, described First covering portion 321 of the first shielding case 32 coats first difference signal terminal to 311 the first holding parts 3111 and Second holding parts 3121 of one ground terminal 312, first portion 322 are shielded in first difference signal terminal to 311 The first contact site 3112 and first ground terminal 312 the second contact site 3122 lower section, the first end subgroup 31 Shielded well so that the electric connector 100 has good high frequency performance.
2. first portion 322 of first shielding case 32 protrudes out first elastic portion 328 and connect with described second The elasticity of ground terminal 312 abuts, and first shielding case 32 is additionally provided with first grounding leg 323 and first ground terminal 312 are welded on the same solder joint 51 of the circuit board 5.First shielding case 32 extends first extension 326 and hidden Covert states the first difference signal terminal to 311 first weld part 3113, strengthens the shielding of first shielding case 32 Effect so that interference signal caused by the first end subgroup 31 can be excluded in time, ensure that the electric connector 100 is high The stable transmission of frequency signal.
3. the first shell fragment of first shielding case 32 described in block forward of first gear stops 141 is protruded out in first slot 14 324, first collets 33 are provided with the second shell fragment 325 of the second stop block 331 first shielding case 32 described in block forward, make First collets 33 are firm is immobilizated in first shielding case 32, first shielding case 32 is firm to be immobilizated in In first slot 14, and the guiding face 332 of first guiding face 142 and second is easy to the group of first shielding case 32 Dress.
4. the thickness of first ground terminal 312 is more than first difference signal terminal to 311 thickness, and described the Two ground terminals 312 preferably shield first difference signal terminal to 311 signal interference.
Detailed description above is only the explanation of the preferred embodiments of the invention, non-therefore the limitation present invention the scope of the claims, So all, with this creation specification and diagramatic content institute, equivalence techniques changes for it, is both contained in the scope of the claims of this creation It is interior.

Claims (15)

  1. A kind of 1. electric connector, it is characterised in that including：
    One insulating body, including a base portion and extend the hyoplastron formed forward by the base portion, the hyoplastron has one first Interface, one second interface and one the 3rd interface, the hyoplastron are set between first interface and the 3rd interface There is a convex portion, second interface is located on the convex portion, the rear end of the base portion recessed one first slot forward, described First slot is extended in the convex portion；
    One the first terminal module is inserted in first slot, and the first terminal module includes one first collets, fixing In the first end subgroup in first collets and be coated on outside first collets and first end subgroup one first Shielding case, the first end subgroup are revealed in second interface.
  2. 2. electric connector as claimed in claim 1, it is characterised in that：First shielding case has one first cladding of ring-type Portion and one first portion for extending formation forward from first covering portion, the first covering portion cladding first insulation Block, first portion are inserted in the first slot of the convex portion.
  3. 3. electric connector as claimed in claim 2, it is characterised in that：First covering portion is provided with least one first shell fragment, The first slot internal face protrudes out one first stop block, first stop block the first shell fragment described in block forward.
  4. 4. the electric connector stated such as claim 3, it is characterised in that：The rear end face of first stop block is provided with inclined 1 the One guiding face.
  5. 5. electric connector as claimed in claim 2, it is characterised in that：First covering portion is provided with least one second shell fragment, First collets are provided with one second stop block, the second gear stops the second shell fragment described in block forward.
  6. 6. the electric connector stated such as claim 5, it is characterised in that：The second stop block rear end face is provided with inclined one second Guiding face.
  7. 7. electric connector as claimed in claim 2, it is characterised in that：The first end subgroup includes three the first ground terminals With two pair of first difference signal terminal pair, first ground terminal and the difference signal terminal are to being alternately arranged and described One ground terminal is located at outermost, and first portion is shielded in first difference signal terminal pair and the first ground terminal Top.
  8. 8. electric connector as claimed in claim 7, it is characterised in that：First difference signal terminal is to being fixedly arranged on State one first holding parts of the first collets, the one of the first collets front end face is extended anteriorly out by first holding parts First contact site and one first weld part that the first collets rear end face is extended back by first holding parts, it is described First portion is provided with a first through hole, and first contact site is revealed in the first through hole.
  9. 9. electric connector as claimed in claim 8, it is characterised in that：The convex portion is provided with one second through hole, and described first connects Contact portion is revealed in second through hole.
  10. 10. electric connector as claimed in claim 8, it is characterised in that：First shielding case is with least one first extension Portion, first extension extend rearwardly to form from first covering portion, the first extension masking first welding Portion.
  11. 11. electric connector as claimed in claim 7, it is characterised in that：First ground terminal, which has, is fixedly arranged on described the One second holding parts of one collets, the one second of the first collets front end face is extended anteriorly out by second holding parts Contact site and one second weld part that the first collets rear end face is extended back by second holding parts, described first Covering portion is provided with least one first grounding leg, first grounding leg and second weld part to be welded on a circuit board Same solder joint on.
  12. 12. electric connector as claimed in claim 7, it is characterised in that：First portion is convexly equipped with one first elastic portion, institute State the first elastic portion and the first ground terminal Elastic Contact.
  13. 13. electric connector as claimed in claim 7, it is characterised in that：The thickness of first ground terminal is more than described the The thickness of one difference signal terminal pair.
  14. 14. electric connector as claimed in claim 1, it is characterised in that：First interface and the 3rd interface are located at institute The upper surface of hyoplastron is stated, second interface is located at the lower surface of the hyoplastron, and first interface is provided with one second end Subgroup, the 3rd interface are provided with a third terminal group.
  15. 15. electric connector as claimed in claim 14, it is characterised in that：The rear end of the base portion is recessed forward to form one the Two slots, second slot are extended to corresponding to first interface in the hyoplastron, are inserted with second slot One Second terminal module, the Second terminal module include one second collets, be immobilizated in it is described in second collets Second terminal group and the secondary shielding shell being coated on outside second collets and Second terminal group.
CN201710480113.XA 2016-12-15 2017-06-22 Electric connector Pending CN107359450A (en)

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US201662434476P 2016-12-15 2016-12-15
US62/434,476 2016-12-15

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CN201710212299.0A Pending CN107134692A (en) 2016-12-15 2017-04-01 Electric connector
CN201710211939.6A Active CN107039850B (en) 2016-12-15 2017-04-01 Electric connector
CN201710211931.XA Active CN107134691B (en) 2016-12-15 2017-04-01 Electric connector
CN201710462211.0A Pending CN107437675A (en) 2016-12-15 2017-06-19 Electric connector
CN201710480113.XA Pending CN107359450A (en) 2016-12-15 2017-06-22 Electric connector
CN201710535286.7A Active CN107394521B (en) 2016-12-15 2017-07-04 Electric connector
CN201710535453.8A Active CN107453064B (en) 2016-12-15 2017-07-04 Electrical connector

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CN201710211939.6A Active CN107039850B (en) 2016-12-15 2017-04-01 Electric connector
CN201710211931.XA Active CN107134691B (en) 2016-12-15 2017-04-01 Electric connector
CN201710462211.0A Pending CN107437675A (en) 2016-12-15 2017-06-19 Electric connector

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Publication number Publication date
CN107394521B (en) 2019-06-18
CN107134691B (en) 2019-06-11
CN107437675A (en) 2017-12-05
CN107134691A (en) 2017-09-05
CN107453064A (en) 2017-12-08
CN107394521A (en) 2017-11-24
CN107453064B (en) 2019-12-27
CN107134692A (en) 2017-09-05
CN107039850B (en) 2019-04-26
CN107039850A (en) 2017-08-11

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