CN107039850A - Electric connector - Google Patents

Electric connector Download PDF

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Publication number
CN107039850A
CN107039850A CN201710211939.6A CN201710211939A CN107039850A CN 107039850 A CN107039850 A CN 107039850A CN 201710211939 A CN201710211939 A CN 201710211939A CN 107039850 A CN107039850 A CN 107039850A
Authority
CN
China
Prior art keywords
terminal
electric connector
terminal group
protuberance
shielding case
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
CN201710211939.6A
Other languages
Chinese (zh)
Other versions
CN107039850B (en
Inventor
隆权
余意
何菲
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 CN107039850A publication Critical patent/CN107039850A/en
Application granted granted Critical
Publication of CN107039850B publication Critical patent/CN107039850B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H01R13/648—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
    • 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
    • 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

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

The invention discloses a kind of electric connector, including an insulating body, the a docking part extended forward with a base portion and from base portion, docking section is arranged with a slot backward, the both sides of slot have the first side wall being oppositely arranged and a second sidewall, second sidewall is provided with a protuberance, and protuberance extends towards the direction away from second sidewall；Multiple terminals, including first end subgroup and Second terminal group, first end subgroup are contained in the first side wall, and Second terminal group is contained in protuberance, and Second terminal group includes at least two Second terminals；One shielding case, is embedded at protuberance, and coats the periphery of at least two Second terminals, therefore shielding case covers to Second terminal formation, reduces the noise of difference signal terminal generation.

Description

Electric connector
Technical field
The present invention relates to a kind of electric connector, a kind of electric connector for transmitting high-frequency signal is referred in particular to.
Background technology
Serial connecting small computer system interface（Serial Attached SCSI, SAS）It is that parallel SCSI is based on string In addition to the development of row technology, the signaling rate advantage higher except having, another significant advantage 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 has a slot, and slot both sides have two phases To side wall, one of side wall have a protuberance, protuberance towards away from the side wall direction extend, one group be used for transmit letter Number signal terminal set be contained in protuberance, signal terminal set includes two pairs of difference signal terminals and three ground terminals, and one leads Electric piece extends to form three conducting pins and ground terminal contact.
However, conducting strip only by by ground terminal conducting come reduce difference signal terminal generation noise, it is impossible to it is right Difference signal terminal is effectively shielded in itself, it is therefore necessary to a kind of more preferable connector is designed, to overcome above mentioned problem.
The content of the invention
It is an object of the invention to provide a kind of electric connector, terminal is surrounded by being embedded a shielding case in protuberance, with up to To the effect of shielding high frequency.
In order to achieve the above object, the present invention is adopted the following technical scheme that：
A kind of electric connector, including an insulating body, a docking part extended forward with a base portion and from the base portion are described Docking section is arranged with a slot backward, and the both sides of the slot have the first side wall being oppositely arranged and a second sidewall, institute Second sidewall is stated provided with a protuberance, the protuberance extends towards the direction away from the second sidewall；Multiple terminals, including the One terminal group and Second terminal group, the first end subgroup are contained in the first side wall, and the Second terminal group is contained in institute Protuberance is stated, the Second terminal group includes at least two Second terminals；One shielding case, is embedded at the protuberance, and coat The periphery of Second terminal described at least two.
Further, multiple terminals include third terminal group, and the first side wall is set provided with relative with the protuberance The groove put, the first end subgroup and the third terminal group are contained in the both sides of the groove respectively, and a masking shell is embedding Located at the side of the groove, the first end subgroup includes at least two the first terminals, the masking shell cladding at least two The periphery of the first terminal.
Further, the shielding case has a ring part and the extension that extends forward from the ring part, and described the Two-terminal group edge is embedded in a collets, and the ring part coats the periphery of the collets.
Further, the rear end of the second sidewall is provided with a storage tank, and the collets are contained in the storage tank, described A clasp groove is provided with storage tank, the ring part is provided with a holding part, and the holding part is held in the clasp groove.
Further, the Second terminal group includes at least one pair of difference signal terminal, and the extension is provided with least one pair of Through hole, the difference signal terminal part is revealed in the through hole.
Further, the Second terminal group includes a ground terminal, and the shielding case is provided with a shell fragment, and the collets are set There is a slot to make way, the shell fragment passes through the slot to make way and the ground terminal contact.
Further, the ground terminal is provided with a perforate, and a shielding part stretches into the perforate, the screen provided with a fixing arm Shield is fixed on the collets, and the ground terminal and the shielding case are contacted with the shielding part.
Further, a circuit board is held on the base portion, and the circuit board has the first surface and one being oppositely arranged Second surface, the first surface and the second surface are respectively equipped with multiple weld pads, and the first terminal bond pads are in described First surface, the Second terminal bond pads are in the second surface, and the shielding case has multiple grounding legs, at least described in one Grounding leg is welded in the second surface.
Further, grounding leg is welded in the first surface at least described in one.
Further, the first end subgroup includes at least one first ground terminal, at least described grounding leg and described first Ground terminal is welded in the same weld pad.
Compared to the prior art, the invention has the advantages that：The Second terminal group is contained in the protuberance, The shielding case is embedded at the protuberance, and coats Second terminal described at least two, while the shielding case is provided with described The ground terminal contact of shell fragment and the Second terminal group, therefore, the shielding case not only with the ground terminal contact, Earthing effect is strengthened, and the shielding case covers to Second terminal formation, further reduces difference signal terminal The noise of generation.
【Brief description of the drawings】
Fig. 1 is the schematic diagram before electric connector of the present invention is combined with butt connector；
Fig. 2 is stereogram of the invention；
Fig. 3 is the stereogram at another visual angle of the invention；
Fig. 4 is exploded view of the invention；
Fig. 5 is the schematic diagram before first end subgroup of the present invention is installed；
Fig. 6 is the schematic diagram after first end subgroup of the present invention is installed；
Fig. 7 is the schematic diagram before Second terminal group of the present invention is installed；
Fig. 8 is the sectional view in Fig. 3 A-A directions；
Fig. 9 is the sectional view in Fig. 3 B-B directions.
The drawing reference numeral explanation of embodiment：
Electric connector 100 Insulating body 1 Base portion 11 Holding tank 111
Docking section 12 Slot 121 The first side wall 122 Groove 1221
First accepting groove 1222 3rd accepting groove 1223 First storage tank 1224 Second sidewall 123
Protuberance 1231 Second accepting groove 1232 Second storage tank 1233 Clasp groove 1234
Guide posts 13 Terminal 2 Contact site 201 Connecting portion 202
Weld part 203 First end subgroup 21 First difference signal terminal 211 First ground terminal 212
Flange 2121 Abutting part 213 Second terminal group 22 Second difference signal terminal 221
Second ground terminal 222 Perforate 2221 Third terminal group 23 Cover shell 3
First annular portion 31 Breach 32 Shielding case 4 Second ring part 41
Holding part 411 Extension 42 Through hole 421 Shell fragment 43
Grounding leg 44 First collets 5 Recessed groove 51 Second collets 6
Slot to make way 61 Circuit board 7 First surface 71 Second surface 72
Weld pad 73 First shielding part 8 Clip slot 81 Secondary shielding part 9
Hold arm 91 Butt connector 200
【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 Figure 1 and Figure 4, electric connector 100 of the present invention is used to be docked to a butt connector 200, including an insulation Body 1, is contained in multiple terminals 2 of the insulating body 1.
The insulating body 1 be in lengthwise shape, a docking part 12 extended forward with a base portion 11 and from the base portion 11, Two guide posts 13 respectively forwardly extended from the two ends of base portion 11.The both sides of the base portion 11 have a holding tank respectively 111, a circuit board 7 is held on the holding tank 111.A docking section 12 recessed slot 121 backward, the slot 121 Both sides have the first side wall 122 being oppositely arranged and a second sidewall 123, and the first side wall 122 has a groove 1221, The side of the groove 1221 has multiple first accepting grooves 1222, and the opposite side of the groove 1221 has multiple 3rd collectings Groove 1223, the second sidewall 123 has the protuberance 1231 being oppositely arranged with the groove 1221, the protuberance 1231 Extend towards the direction away from the second sidewall 123, the protuberance 1231 is provided with multiple second accepting grooves 1232.The guiding Post 13 is separately positioned on both sides of the docking section 12 along longitudinally, the grafting for guiding the butt connector 200.
Each terminal 2, which has, to be protruded into a contact site 201 of the slot 121, prolongs backward from the contact site 201 The connecting portion 202 stretched, the weld part 203 extended back from the connecting portion 202, the weld part 203 are soldered to described Circuit board 7.Multiple terminals 2 include first end subgroup 21, Second terminal group 22, third terminal group 23, the first terminal Group 21 is contained in first accepting groove 1222, and the Second terminal group 22 is contained in second accepting groove 1232, and described the Three terminal groups 23 are contained in the 3rd accepting groove 1223.
The first end subgroup 21 includes seven conducting terminals for being used to transmit signal, and the Second terminal group 22 also includes Seven are used to transmitting the conducting terminal of signal, the first end subgroup 21 and the Second terminal group 22 have identical structure and It is symmetrical arranged, seven conducting terminals of the first end subgroup 21 and the Second terminal group 22 are followed successively by ground terminal, difference Signal terminal to, ground terminal, difference signal terminal be to, ground terminal.The first end subgroup 21 has SAS2.0 specifications Middle signal segment S1-S7 function, the Second terminal group 22 has the function of signal segment S8-S14 in SAS2.0 specifications, described Third terminal group 23 includes 15 conducting terminals, and the 3rd group of terminal has power section P1-P15 in SAS2.0 specifications Function.
As shown in Fig. 1, Fig. 5 and Fig. 7, the first end subgroup 21 includes two pair of first difference signal terminal 211 and three First ground terminal 212, the Second terminal group 22 includes two pair of second difference signal terminal 221 and three the second ground terminals 222.The periphery of first difference signal terminal 211 described in every a pair is respectively equipped with a masking shell 3, and the masking shell 3 is embedded at institute State the side of groove 1221.The periphery of the Second terminal group is provided with a shielding case 4, and the shielding case 4 is embedded at the protrusion Portion 1231.Each masking shell 3 has a first annular portion 31, and the first annular portion 31 coats the first difference described in a pair The periphery of signal terminal 211, two masking shells 3 are located at the both sides of first ground terminal 212 respectively.The screen Covering shell 4 has outside one second ring part 41, two pairs of second difference signal terminals 221 of the cladding of the second ring part 41 Enclose.By first difference signal terminal 211 and second difference signal terminal 221 are respectively by the masking shell 3 and institute Shielding case 4 is stated to surround, therefore difference signal terminal can be excluded in time to the interference signal of generation, it is ensured that high-frequency signal Stable transmission.
As shown in Fig. 2, Fig. 4 and Fig. 8, the edge of first end subgroup 21 is embedded in one first collets 5, the Second terminal group 22 edges are embedded in one second collets 6, and first collets 5 and second collets 6 can ensure the first end subgroup 21 and the normotopia degree of the Second terminal group 22.The first side wall 122 has one first storage tank 1224, the second sidewall 123 have one second storage tank 1233, and first collets 5 are contained in first storage tank 1224, second insulation Block 6 is contained in second storage tank 1233.Masking shell 3 edge, which is buried, is fixed on first collets 5, and edge is buried and is fixed on A clasp groove 1234 is provided with the first side wall 122, second storage tank 1233, second ring part 41 is provided with a button Portion 411 is held, the holding part 411 is held in the clasp groove 1234, so as to ensure that the masking shell 3 and the shielding case 4 are steady It is fixed in the first side wall 122 and the second sidewall 123.
As shown in figure 5 and figure 7, the both sides of each masking shell 3 are respectively equipped with a breach 32, and described the first of both sides connect Side extends an abutting part 213 to ground terminal 212 respectively inwards, and the abutting part 213 connects through the breach 32 with the masking shell 3 Touch.Middle first ground terminal 212 extends an abutting part 213 through the institute of two masking shells 3 to both sides respectively Breach 32 is stated, while being contacted with two masking shells 3.The both sides of second collets 6 are respectively equipped with a slot to make way 61, described The both sides of shielding case 4 are respectively equipped with a shell fragment 43, and the part of the second ground terminal 222 of both sides is revealed in the slot to make way 61, The shell fragment 43 stretches into the slot to make way 61 and contacted with the connecting portion 202 of second ground terminal 222.
As shown in Fig. 5, Fig. 7 and Fig. 9, the middle both sides of the first ground terminal 212 are widened to form a flange respectively 2121, two first shielding parts 8 are respectively equipped with a clip slot 81, and the clip slot 81 is held on the flange 2121, two described first Shielding part 8 is fixed on first collets 5, and is contacted with the masking shell 3.First collets 5 be arranged with two it is recessed Groove 51 is fallen into, two pairs of parts of the first difference signal terminal 211 are revealed in the recessed groove 51.Second ring part 41 is forward Extend an extension 42, the extension 42 shows provided with four through holes 421, two pairs of parts of the second difference signal terminal 221 It is exposed to the through hole 421.Thus, first difference signal terminal 211 and second difference signal terminal 221 are exposed In air, because dielectric constant of air is low, first difference signal terminal 211 and second difference signal terminal 221 There is more preferable high frequency characteristics in high-frequency transmission.Middle second ground terminal 222 is provided with a perforate 2221, one second Shielding part 9 stretches into the perforate 2221 provided with a fixing arm 91, the fixing arm 91, and the secondary shielding part 9 is fixed on described Second collets 6, and contacted simultaneously with second ground terminal 222 and the shielding case 4, radioshielding works well.
As shown in Figures 2 and 3, the circuit board 7 has the first surface 71 and a second surface 72 being oppositely arranged, institute State first surface 71 and the second surface 72 is respectively equipped with multiple weld pads 73, the first end subgroup 21 and the third terminal Group 23 is welded in the first surface 71, and the Second terminal group 22 is welded in the second surface 72.The shielding case 4 has Multiple grounding legs 44, multiple grounding legs 44 are respectively welded in the first surface 71 and the second surface 72, wherein two The individual grounding leg 44 is welded in the same weld pad 73 of the first surface 71, and two grounding legs 44 are respectively with two Second ground terminal 222 of side is welded in the same weld pad 73 of the second surface 72.Thus, the shielding case 4 is not It can only stablize and be welded in the circuit board 7, and the arrangement space of the grounding leg 44 can be saved, it is not necessary to additionally increase described exhausted The length of edge body 1.
In summary, the invention has the advantages that：
1. described in Second terminal group 22 be contained in the protuberance 1231, the shielding case 4 is embedded at the protuberance 1231 simultaneously Coat the Second terminal group 22 so that second difference signal terminal 221 itself is shielded well, with good height Frequency shield effectiveness.
2. described in shielding case 4 abutted provided with the shell fragment 43 with second ground terminal 222, strengthen described second and connect The earthing effect of ground terminal 222, reduces the cross-talk in signals transmission, and then improve transmission speed.
3. described in the second ground terminal 222 be mutually conducted with the secondary shielding part 9, shielding case 4, form a plurality of guiding path Footpath so that the interference signal that the Second terminal group 22 is produced can be excluded in time, it is ensured that the stable transmission of high-frequency signal.
4. described in shielding case 4 be welded in same weld pad provided with grounding leg 44 and second ground terminal 222, can save The arrangement space of grounding leg 44, it is not necessary to additionally increase the length of the insulating body 1.
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 (10)

1. a kind of electric connector, it is characterised in that including：
One insulating body, a docking part extended forward with a base portion and from the base portion, the docking section is arranged with backward One slot, the both sides of the slot have the first side wall being oppositely arranged and a second sidewall, and the second sidewall is provided with one Protuberance, the protuberance extends towards the direction away from the second sidewall；
Multiple terminals, including first end subgroup and Second terminal group, the first end subgroup is contained in the first side wall, described Second terminal group is contained in the protuberance, and the Second terminal group includes at least two Second terminals；
One shielding case, is embedded at the protuberance, and coat the periphery of Second terminal described at least two.
2. electric connector as claimed in claim 1, it is characterised in that：Multiple terminals include third terminal group, described the Side wall is provided with the groove being oppositely arranged with the protuberance, and the first end subgroup and the third terminal group are housed respectively In the both sides of the groove, a masking shell is embedded at the side of the groove, and the first end subgroup includes at least two first Terminal, the periphery of the first terminal described in the masking shell cladding at least two.
3. electric connector as claimed in claim 1, it is characterised in that：The shielding case has a ring part and from the annular The extension that portion extends forward, the Second terminal group edge is embedded in a collets, and the ring part coats the collets Periphery.
4. electric connector as claimed in claim 3, it is characterised in that：The rear end of the second sidewall is provided with a storage tank, institute State collets to be contained in the storage tank, the storage tank provided with a clasp groove, the ring part is provided with a holding part, described Holding part is held in the clasp groove.
5. electric connector as claimed in claim 3, it is characterised in that：The Second terminal group includes at least one pair of differential signal Terminal, the extension is provided with least one pair of through hole, and the difference signal terminal part is revealed in the through hole.
6. electric connector as claimed in claim 3, it is characterised in that：The Second terminal group includes a ground terminal, described Shielding case is provided with a shell fragment, and the collets are provided with a slot to make way, and the shell fragment passes through the slot to make way and the ground terminal Contact.
7. electric connector as claimed in claim 6, it is characterised in that：The ground terminal is provided with a perforate, and a shielding part is set There is a fixing arm to stretch into the perforate, the shielding part is fixed on the collets, and the ground terminal and the shielding case are equal Contacted with the shielding part.
8. electric connector as claimed in claim 1, it is characterised in that：One circuit board is held on the base portion, the circuit board With the first surface and a second surface being oppositely arranged, the first surface and the second surface are respectively equipped with multiple welderings Pad, the first terminal bond pads are in the first surface, and the Second terminal bond pads are in the second surface, described first Shielding case has multiple grounding legs, and grounding leg is welded in the second surface at least described in one.
9. electric connector as claimed in claim 8, it is characterised in that：Grounding leg is welded in first table at least described in one Face.
10. electric connector as claimed in claim 8, it is characterised in that：The first end subgroup includes at least one first ground connection Terminal, at least described grounding leg is welded in the same weld pad with first ground terminal.
CN201710211939.6A 2016-12-15 2017-04-01 Electric connector Active CN107039850B (en)

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

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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
CN201710480113.XA Pending CN107359450A (en) 2016-12-15 2017-06-22 Electric connector
CN201710535453.8A Active CN107453064B (en) 2016-12-15 2017-07-04 Electrical connector
CN201710535286.7A Active CN107394521B (en) 2016-12-15 2017-07-04 Electric connector

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CN201710480113.XA Pending CN107359450A (en) 2016-12-15 2017-06-22 Electric connector
CN201710535453.8A Active CN107453064B (en) 2016-12-15 2017-07-04 Electrical connector
CN201710535286.7A Active CN107394521B (en) 2016-12-15 2017-07-04 Electric connector

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CN107453064A (en) 2017-12-08
CN107394521B (en) 2019-06-18
CN107453064B (en) 2019-12-27
CN107394521A (en) 2017-11-24
CN107134691B (en) 2019-06-11
CN107134692A (en) 2017-09-05
CN107437675A (en) 2017-12-05
CN107134691A (en) 2017-09-05
CN107039850B (en) 2019-04-26
CN107359450A (en) 2017-11-17

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