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CN107134691B - Electric connector - Google Patents

Electric connector Download PDF

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Publication number
CN107134691B
CN107134691B CN201710211931.XA CN201710211931A CN107134691B CN 107134691 B CN107134691 B CN 107134691B CN 201710211931 A CN201710211931 A CN 201710211931A CN 107134691 B CN107134691 B CN 107134691B
Authority
CN
China
Prior art keywords
end subgroup
groove
terminal
protrusion
electric connector
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.)
Active
Application number
CN201710211931.XA
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Chinese (zh)
Other versions
CN107134691A (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 CN107134691A publication Critical patent/CN107134691A/en
Application granted granted Critical
Publication of CN107134691B publication Critical patent/CN107134691B/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
    • 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
    • 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
    • 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 connectors, including an insulating body, with a base portion and from a docking part that the base portion extends forward, the docking section is recessed with a slot backward, the two sides of the slot have the first side wall being oppositely arranged and a second sidewall, the first side wall is equipped with a groove, and the second sidewall has the protrusion being oppositely arranged with the groove, and the protrusion extends towards the direction far from the second sidewall；Multiple terminals, including first end subgroup and second end subgroup, the first end subgroup are contained in the side of the groove, and the second end subgroup is contained in the protrusion, and the first end subgroup includes at least two first terminals；One shielding case, it is embedded at the side of the groove, and coat the periphery of at least two first terminals, thus the shielding case can form good masking to the first end subgroup, the interference signal that the first end subgroup is generated is excluded in time, and ensure that high-frequency signal stablizes transmission.

Description

Electric connector
Technical field
The present invention relates to a kind of electric connectors, refer in particular to a kind of electric connector for transmitting high-frequency signal.
Background technique
Serial connecting small computer system interface (Serial Attached SCSI, SAS) is that parallel SCSI is based on string The development of row technology, other than having higher signaling rate advantage, another significant advantage is that SAS interface can be with SATA interface is compatible, i.e., SATA pin connector can be inserted directly into SAS socket connector.In this way, system structure 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 several conductive terminals for being assembled in insulating body, insulating body Including base portion and from the docking section that the upward projection of top base surface is formed, insulating body has lengthwise slot, and slot is by being parallel to each other The first side wall and second sidewall enclose and set to be formed, the first side wall is divided into two parts by the groove of its inner surface, does not have in groove Conductive terminal is set, and the first conductive terminal is set to first part, and the first conductive terminal is used for transmission signal, the second conductive terminal It is set to second part, the second conductive terminal is used for transmission power supply, and the first conductive terminal includes several ground terminals.One ground connection group Part is set to the rear of first part, and has several pins and ground terminal contact.
However, can not be covered well since grounding assembly only leans on pin and ground terminal contact to shield interference signal First conductive terminal cannot reach ideal shield effectiveness, it is therefore necessary to a kind of better connector is designed, it is above-mentioned to overcome Problem.
Summary of the invention
Creation of the invention is designed to provide a kind of electric connector that signal cross-talk is small, is embedded one by the side of groove Shielding case, to improve the effect of electric connector shielding electromagnetic interference.
In order to achieve the above object, the present invention adopts the following technical scheme: an insulating body, has a base portion and described in A docking part that base portion extends forward, the docking section are recessed with a slot backward, and the two sides of the slot, which have, to be oppositely arranged A first side wall and a second sidewall, the first side wall be equipped with a groove, the second sidewall have and the groove phase To a protrusion of setting, the protrusion extends towards the direction far from the second sidewall；Multiple terminals, including first terminal Group and second end subgroup, the first end subgroup are contained in the side of the groove, and the second end subgroup is contained in described convex Portion out, the first end subgroup include at least two first terminals；One shielding case, is embedded at the side of the groove, and coats The periphery of at least two first terminals, the first end subgroup edge are embedded in one first collets, the first end subgroup packet One first ground terminal is included, the shielding case and first ground terminal electrically conduct, and first ground terminal is equipped with one Flange, a shielding part are equipped with a clip slot, and the clip slot is held on the flange, and the shielding part is fixed on first insulation Block, and contacted with the shielding case.
The present invention also provides another electric connectors, comprising: a kind of electric connector characterized by comprising an insulation is originally Body, has a base portion and from a docking part that the base portion extends forward, the docking section is recessed with a slot backward, described to insert The two sides of slot have the first side wall that is oppositely arranged and a second sidewall, and the first side wall is equipped with a groove, and described second Side wall has the protrusion being oppositely arranged with the groove, and the protrusion extends towards the direction far from the second sidewall； Multiple terminals, including first end subgroup and second end subgroup, the first end subgroup are contained in the side of the groove, and described One terminal group includes at least a pair of first difference signal terminal, and the second end subgroup is contained in the protrusion, and described second Terminal group includes at least a pair of second difference signal terminal；One shielding case is embedded at the side of the groove, and coats at least one To the periphery of the first difference signal terminal, the first end subgroup further includes one first ground terminal, the shielding case and described First ground terminal electrically conducts, and the second end subgroup edge is embedded in one second collets, and a masking shell has one second annular Portion and the extension extended forward from second ring part, second ring part coat second collets and described Second difference signal terminal covers the protrusion close to the side of first difference signal terminal, the extension.
Further, the masking shell is embedded at the protrusion, and coats the periphery of the second end subgroup.
Further, the masking shell is equipped with an elastic slice, and second collets are equipped with a recessing groove, the second end subgroup With one second ground terminal, the elastic slice passes through the recessing groove and second ground terminal contact.
Further, the extension is equipped at least a pair of of through-hole, and the second end subgroup includes at least two Second terminals, Two Second terminal parts are revealed in the through-hole.
Further, the rear end of the second sidewall is equipped with one second accommodation groove, and second collets are contained in described the Two accommodation grooves, second accommodation groove is interior to be equipped with a clasp slot, and second ring part is equipped with a holding part, the holding part button It is held in the clasp slot.
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 group welding is in described First surface, the Second terminal group welding is in the second surface, and the masking shell has multiple grounding legs, at least described in one Grounding leg is welded in the first surface.
Further, the second end subgroup includes at least one second ground terminal, the grounding leg and second ground connection Terminal is welded in the same weld pad.
Further, at least one grounding leg is welded in the second surface.
Further, multiple terminals include third terminal group, the first end subgroup and third terminal group difference The two sides of the groove are contained in, the periphery of the third terminal group is not provided with the shielding case.
Compared to the prior art, the invention has the following advantages: the first side wall is equipped with the groove, described the One terminal group is contained in the side of the groove, and the shielding case is embedded at the side of the groove, and coats at least two institutes State the periphery of first terminal, the shielding case not only ground terminal contact with the first end subgroup, but also to described first Terminal group forms good masking, and the interference signal that the first end subgroup is generated is excluded in time, ensure that High-frequency signal stablizes transmission.
[Detailed description of the invention]
Fig. 1 is the schematic diagram before first embodiment of the invention electric connector is combined with docking connector；
Fig. 2 is the perspective view of first embodiment of the invention；
Fig. 3 is the perspective view at another visual angle of first embodiment of the invention；
Fig. 4 is the exploded view of first embodiment of the invention；
Fig. 5 is the schematic diagram before the installation of first embodiment of the invention first end subgroup；
Fig. 6 is the schematic diagram after the installation of first embodiment of the invention first end subgroup；
Fig. 7 is the schematic diagram before the installation of first embodiment of the invention second end subgroup；
Fig. 8 is the cross-sectional view in the direction A-A of Fig. 3；
Fig. 9 is the cross-sectional view in the direction B-B of Fig. 3；
Figure 10 is the perspective view of second embodiment of the invention；
Figure 11 is the perspective view at another visual angle of second embodiment of the invention；
Figure 12 is the exploded view of second embodiment of the invention.
The drawing reference numeral of specific embodiment illustrates:
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 container 1222 Third container 1223 First accommodation groove 1224 Second sidewall 123
Protrusion 1231 Second container 1232 Second accommodation groove 1233 Clasp slot 1234
Guide posts 13 Terminal 2 Contact portion 201 Interconnecting piece 202
Weld part 203 First end subgroup 21 First difference signal terminal 211 First ground terminal 212
Flange 2121 Abutting part 213 Second end subgroup 22 Second difference signal terminal 221
Second ground terminal 222 Aperture 2221 Third terminal group 23 Shielding case 3
First annular portion 31 Notch 32 Cover shell 4 Second ring part 41
Holding part 411 Extension 42 Through-hole 421 Elastic slice 43
Grounding leg 44 First collets 5 Recessed groove 51 Second collets 6
Recessing groove 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 Docking connector 200
[specific embodiment]
Purpose, structure, feature and effect to facilitate the understanding of the present invention etc., now in conjunction with attached drawing and specific implementation The invention will be further described for mode.
As shown in figure 4, electric connector 100 of the present invention is contained in for installing to a circuit board 7, including an insulating body 1 Multiple terminals 2 of the insulating body 1 surround two shielding cases 3 and a masking shell 4 of multiple terminals 2, bury the terminal 2 one first collets 5 and one second collets 6.
As shown in Figure 1, the insulating body 1 is in lengthwise shape, forward extend with a base portion 11 and from the base portion 11 A docking part 12, two guide posts 13 respectively forwardly extended from 11 both ends of base portion.The two sides of the base portion 11 have respectively There is a holding tank 111, the circuit board 7 is held on the holding tank 111.A docking section 12 recessed slot 121 backward, institute There is the first side wall 122 being oppositely arranged and a second sidewall 123, the first side wall 122 to have for the two sides for stating slot 121 The side of one groove 1221, the groove 1221 has multiple first containers 1222, and the other side of the groove 1221 has Multiple third containers 1223, the second sidewall 123 have the protrusion 1231 being oppositely arranged with the groove 1221, institute It states protrusion 1231 to extend towards the direction far from the second sidewall 123, the protrusion 1231 is equipped with multiple second containers 1232.The guide posts 13 are separately positioned on the docking section 12 along the two sides of longitudinally, for guiding docking connector 200 Grafting.
As shown in Figure 1 and Figure 4, each terminal 2, which has, protrudes into a contact portion 201 of the slot 121, described in An interconnecting piece 202 that contact portion 201 extends back, the weld part 203 to extend back from the interconnecting piece 202, the welding Portion 203 is soldered to the circuit board 7.Multiple terminals 2 include first end subgroup 21, second end subgroup 22, third terminal group 23, the first end subgroup 21 is contained in first container 1222, and the second end subgroup 22 is contained in described second and receives Tank 1232, the third terminal group 23 are contained in the third container 1223.
As shown in figure 4, the first end subgroup 21 includes seven conductive terminals for being used for transmission signal, the Second terminal Group 22 also includes seven conductive terminals for being used for transmission signal, and the first end subgroup 21 and the second end subgroup 22 have phase With structure and be symmetrical arranged, seven conductive terminals of the first end subgroup 21 and the second end subgroup 22 are followed successively by ground connection Terminal, difference signal terminal to, ground terminal, difference signal terminal be to, ground terminal.The first end subgroup 21 has The function of signal segment S1-S7 in SAS2.0 specification, the second end subgroup 22 have signal segment S8- in SAS2.0 specification The function of S14, the third terminal group 23 include 15 conductive terminals, and the third group terminal has in SAS2.0 specification The function of power section P1-P15.
As shown in figs. 1,5 and 7, the first end subgroup 21 includes two pair of first difference signal terminal 211 and three First ground terminal 212, the second end subgroup 22 include two pair of second difference signal terminal 221 and three the second ground terminals 222.The shielding case 3 is embedded at the side of the groove 1221, and the masking shell 4 is embedded at the protrusion 1231.It is each The shielding case 3 has a first annular portion 31, and the first annular portion 31 coats a pair of first difference signal terminal 211 Periphery, two shielding cases 3 are located at the two sides of first ground terminal 212.The masking shell 4 has one Second ring part 41, second ring part 41 coat the periphery of two pairs of second difference signal terminals 221.Due to described One difference signal terminal 211 and second difference signal terminal 221 are surrounded by the shielding case 3 and the masking shell 4 respectively, Therefore difference signal terminal can be excluded the interference signal of generation in time, and guarantee high-frequency signal stablizes transmission.
As shown in Fig. 2, Fig. 4 and Fig. 8, the edge of first end subgroup 21 is embedded in first collets 5, the Second terminal 22 edge of group is embedded in second collets 6, and first collets 5 and second collets 6 can guarantee the first end The normotopia degree of subgroup 21 and the second end subgroup 22.The first side wall 122 have one first accommodation groove 1224, described second Side wall 123 has one second accommodation groove 1233, and first collets 5 are contained in first accommodation groove 1224, and described second Collets 6 are contained in second accommodation groove 1233.The edge of shielding case 3, which buries, is fixed on first collets 5, and edge buries admittedly Due to being equipped with a clasp slot 1234 in the first side wall 122, second accommodation groove 1233, second ring part 41 is equipped with One holding part 411, the holding part 411 are held in the clasp slot 1234, to guarantee the shielding case 3 and the masking shell 4 are stable in the first side wall 122 and the second sidewall 123.
As shown in figure 5 and figure 7, the two sides of each shielding case 3 are respectively equipped with a notch 32, and described the first of two sides connects Side extends an abutting part 213 to ground terminal 212 respectively inwards, and the abutting part 213 passes through the notch 32 and connects with the shielding case 3 Touching.Intermediate first ground terminal 212 extends the institute that an abutting part 213 passes through two shielding cases 3 to two sides respectively Notch 32 is stated, while being contacted with two shielding cases 3.Second collets, 6 two sides are respectively equipped with a recessing groove 61, described Masking 4 two sides of shell are respectively equipped with an elastic slice 43, and 222 part of the second ground terminal of two sides is revealed in the recessing groove 61, The elastic slice 43 protrudes into the recessing groove 61 and contacts with the interconnecting piece 202 of second ground terminal 222.
As shown in Fig. 5, Fig. 7 and Fig. 9, intermediate 212 two sides of the first ground terminal 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, and two described first Shielding part 8 is fixed on first collets 5, and contacts with the shielding case 3.First collets 5 are recessed, and there are two recessed Slot 51 is fallen into, two pairs of 211 parts of the first difference signal terminal are revealed in the recessed groove 51.Second ring part 41 is forward Extend an extension 42, the extension 42 is set there are four through-hole 421, and two pairs of 221 parts of the second difference signal terminal are aobvious It is exposed to the through-hole 421.First difference signal terminal 211 and second difference signal terminal 221 are exposed as a result, In air, since dielectric constant of air is low, first difference signal terminal 211 and second difference signal terminal 221 There is better high frequency characteristics in high-frequency transmission.Intermediate second ground terminal 222 is equipped with an aperture 2221, and one second Shielding part 9 is equipped with a fixing arm 91, and the fixing arm 91 protrudes into the aperture 2221, and the secondary shielding part 9 is fixed on described Second collets 6, and contacted simultaneously with second ground terminal 222 and the masking shell 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 It states 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 end subgroup 22 is welded in the second surface 72.The masking shell 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 A 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.The masking shell 4 is not as a result, 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 ontology 1.
As Figure 10, Figure 11 and Figure 12 show the second embodiment of the present invention.Second embodiment and first embodiment difference Place is, the shielding case 3 only one, and coat two pairs of first difference signal terminals 211 simultaneously.Second embodiment In, the structure of the shielding case 3 and the masking shell 4 is essentially identical.Certainly, the masking shell 4 can also be such as first embodiment Equally being arranged two, i.e., the described shielding case 3 can be set two and be respectively coated by a pair of first difference signal terminal 211, It can be set one while coating two pairs of first difference signal terminals 211, the masking shell 4 can be set two and wrap respectively A pair of second difference signal terminal 221 is covered, also can be set one while coating two pairs of second difference signal terminals 221。
In conclusion the invention has the following advantages:
1. the side of the groove 1221 is equipped with the first end subgroup 21, the shielding case 3 is embedded at the groove 1221 side, first difference signal terminal 211 are covered on a large scale by the shielding case 3, have good high frequency screen Cover effect.
2. the two sides of the shielding case 3 are respectively equipped with a notch 32, first ground terminal 212 of two sides is respectively inwards Side extends an abutting part 213, and the abutting part 213 passes through the notch 32 and contacts with the shielding case 3, strengthens described first The earthing effect of ground terminal 212, advantageously ensure that high-frequency signal stablizes transmission.
3. first shielding part 8 is held on intermediate first ground terminal 212, and contacts with the shielding case 3, So that first shielding part 8, first ground terminal 212 and the shielding case 3 are mutually conducted, a plurality of earth-continuity is formed Circuit, the interference signal that the first end subgroup 21 is generated are excluded in time.
Detailed description above is only the explanation of the preferred embodiments of the invention, the scope of the patents that is non-therefore limiting to the present invention, So all, with this creation specification and diagramatic content institute, equivalence techniques change for it, are both contained in the scope of the patents of this creation It is interior.

Claims (10)

1. a kind of electric connector characterized by comprising
One insulating body, has a base portion and from a docking part that the base portion extends forward, the docking section is recessed with backward One slot, the two sides of the slot have the first side wall being oppositely arranged and a second sidewall, and the first side wall is equipped with one Groove, the second sidewall have the protrusion being oppositely arranged with the groove, and the protrusion is towards far from described second side The direction of wall extends；
Multiple terminals, including first end subgroup and second end subgroup, the first end subgroup are contained in the side of the groove, institute It states second end subgroup and is contained in the protrusion, the first end subgroup includes at least two first terminals；
One shielding case is embedded at the side of the groove, and coats the periphery of at least two first terminals, the first end Subgroup edge is embedded in one first collets, and the first end subgroup includes one first ground terminal, the shielding case and described first Ground terminal electrically conducts, and first ground terminal is equipped with a flange, and a shielding part is equipped with a clip slot, and the clip slot is held on The flange, the shielding part is fixed on first collets, and contacts with the shielding case.
2. a kind of electric connector characterized by comprising
One insulating body, has a base portion and from a docking part that the base portion extends forward, the docking section is recessed with backward One slot, the two sides of the slot have the first side wall being oppositely arranged and a second sidewall, and the first side wall is equipped with one Groove, the second sidewall have the protrusion being oppositely arranged with the groove, and the protrusion is towards far from described second side The direction of wall extends；
Multiple terminals, including first end subgroup and second end subgroup, the first end subgroup are contained in the side of the groove, institute Stating first end subgroup includes at least a pair of first difference signal terminal, and the second end subgroup is contained in the protrusion, described Second end subgroup includes at least a pair of second difference signal terminal；
One shielding case, is embedded at the side of the groove, and coats the periphery of at least a pair of first difference signal terminal, and described the One terminal group further includes one first ground terminal, and the shielding case and first ground terminal electrically conduct, the second end Subgroup edge is embedded in one second collets, and one covers one that shell has one second ring part and extends forward from second ring part Extension, second ring part coat second collets and second difference signal terminal close to first difference The side of signal terminal, the extension cover the protrusion.
3. electric connector as claimed in claim 2, it is characterised in that: the masking shell is embedded at the protrusion, and coats The periphery of the second end subgroup.
4. electric connector as claimed in claim 2, it is characterised in that: the masking shell is equipped with an elastic slice, second insulation Block be equipped with a recessing groove, the second end subgroup include one second ground terminal, the elastic slice pass through the recessing groove with it is described Second ground terminal contact.
5. electric connector as claimed in claim 2, it is characterised in that: the extension is equipped at least a pair of of through-hole, and described the Two-terminal group includes at least two Second terminals, and two Second terminal parts are revealed in the through-hole.
6. electric connector as claimed in claim 2, it is characterised in that: the rear end of the second sidewall is equipped with one second accommodating Slot, second collets are contained in second accommodation groove, are equipped with a clasp slot, second ring in second accommodation groove Shape portion is equipped with a holding part, and the holding part is held in the clasp slot.
7. electric connector as claimed in claim 2, it is characterised in that: a 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 group welding is in the first surface, and the Second terminal group welding is in the second surface, the masking Shell has multiple grounding legs, and at least one grounding leg is welded in the first surface.
8. electric connector as claimed in claim 7, it is characterised in that: the second end subgroup includes at least one second ground terminal Son, the grounding leg and second ground terminal are welded in the same weld pad.
9. electric connector as claimed in claim 7, it is characterised in that: at least one grounding leg is welded in second table Face.
10. the electric connector as described in claim 1-2 any one, it is characterised in that: multiple terminals include third end Subgroup, the first end subgroup and the third terminal group are respectively accommodated in the two sides of the groove, the third terminal group Periphery is not provided with the shielding case.
CN201710211931.XA 2016-12-15 2017-04-01 Electric connector Active CN107134691B (en)

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US62/434,476 2016-12-15

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CN201710212299.0A Pending CN107134692A (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
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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
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CN107039850A (en) 2017-08-11
CN107134692A (en) 2017-09-05
CN107394521A (en) 2017-11-24
CN107453064B (en) 2019-12-27
CN107394521B (en) 2019-06-18
CN107134691A (en) 2017-09-05
CN107453064A (en) 2017-12-08
CN107039850B (en) 2019-04-26
CN107359450A (en) 2017-11-17
CN107437675A (en) 2017-12-05

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