CN107039850B - Electric connector - Google Patents

Electric connector Download PDF

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Publication number
CN107039850B
CN107039850B CN201710211939.6A CN201710211939A CN107039850B CN 107039850 B CN107039850 B CN 107039850B CN 201710211939 A CN201710211939 A CN 201710211939A CN 107039850 B CN107039850 B CN 107039850B
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CN
China
Prior art keywords
end subgroup
terminal
electric connector
protrusion
sidewall
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
CN201710211939.6A
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Chinese (zh)
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CN107039850A (en
Inventor
隆权
余意
何菲
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Lotes Guangzhou Co Ltd
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Lotes Guangzhou Co Ltd
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Publication of CN107039850A publication Critical patent/CN107039850A/en
Application granted granted Critical
Publication of CN107039850B publication Critical patent/CN107039850B/en
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    • 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

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 base portion extends forward, docking section is recessed with a slot backward, the two sides of slot have the first side wall being oppositely arranged and a second sidewall, second sidewall is equipped with a protrusion, and protrusion extends towards the direction far from second sidewall；Multiple terminals, including first end subgroup and second end subgroup, first end subgroup are contained in the first side wall, and second end subgroup is contained in protrusion, and second end subgroup includes at least two Second terminals；One shielding case is embedded at protrusion, and coats the periphery of at least two Second terminals, therefore shielding case forms Second terminal and covers, and reduces the noise of difference signal terminal generation.

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 insulating body has a slot, and there are two phases for slot both sides tool Pair side wall, one of side wall have a protrusion, protrusion towards far from the side wall direction extend, one group is used for transmission letter Number signal terminal set be contained in protrusion, 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, conductive sheet only by by ground terminal conducting come reduce difference signal terminal generation noise, can not be right Difference signal terminal itself is effectively shielded, it is therefore necessary to a kind of better connector is designed, to overcome the above problem.
Summary of the invention
The object of the present invention is to provide a kind of electric connectors, terminal are surrounded by being embedded a shielding case in protrusion, to reach To the effect of shielding high frequency.
In order to achieve the above object, the present invention adopts the following technical scheme: an insulating body, extends along longitudinally, tool There is a base portion and from a docking part that the base portion extends forward, the docking section is recessed with a slot backward, the slot Two sides have a first side wall and a second sidewall being oppositely arranged and along longitudinally extension, and the second sidewall is equipped with one Protrusion, the protrusion extend towards the direction projection far from the second sidewall；Multiple terminals are arranged along longitudinally, packet First end subgroup and second end subgroup are included, the first end subgroup is contained in the first side wall, the second end subgroup receiving In the protrusion, the second end subgroup includes at least a pair of of difference signal terminal；One shielding case, only covers on longitudinally It covers the protrusion and does not cover the other parts of the second sidewall, and coat the outer of at least a pair of difference signal terminal It encloses.
Further, multiple terminals include third terminal group, and the first side wall is equipped with set opposite with the protrusion The groove set, the first end subgroup and the third terminal group are respectively accommodated in the two sides of the groove, and a masking shell is embedding Set on the side of the groove, the first end subgroup includes at least two 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 equipped with an accommodation groove, and the collets are contained in the accommodation groove, described A clasp slot is equipped in accommodation groove, the ring part is equipped with a holding part, and the holding part is held in the clasp slot.
Further, the extension is equipped at least a pair of of through-hole, and the difference signal terminal part is revealed in the through-hole.
Further, the second end subgroup includes a ground terminal, and the shielding case is equipped with an elastic slice, and the collets are set There is a recessing groove, the elastic slice passes through the recessing groove and the ground terminal contact.
Further, the ground terminal is equipped with an aperture, and a shielding part is equipped with a fixing arm and protrudes into the aperture, the screen 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 group welding is in described First surface, the Second terminal group welding is 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, at least one grounding leg is welded in the first surface.
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 following advantages: the second end subgroup is contained in the protrusion, The shielding case is embedded at the protrusion, and coats at least two Second terminals, while the shielding case is equipped with described The ground terminal contact of elastic slice and the second end subgroup, therefore, the shielding case not only with the ground terminal contact, Earthing effect is strengthened, and the shielding case forms the Second terminal and covers, and further reduces difference signal terminal The noise of generation.
[Detailed description of the invention]
Fig. 1 is the schematic diagram before electric connector of the present invention is combined with docking connector；
Fig. 2 is perspective view of the invention；
Fig. 3 is the perspective view at another visual angle of the present invention；
Fig. 4 is exploded view of the invention；
Fig. 5 is the schematic diagram before first end subgroup of the present invention installation；
Fig. 6 is the schematic diagram after first end subgroup of the present invention installation；
Fig. 7 is the schematic diagram before second end subgroup of the present invention installation；
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.
The drawing reference numeral of specific embodiment illustrates:
[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 1 and Figure 4, electric connector 100 of the present invention is for being docked to a docking connector 200, including an insulation Ontology 1 is contained in multiple terminals 2 of the insulating body 1.
The insulating body 1 be in lengthwise shape, have a base portion 11 and from a docking part 12 that the base portion 11 extends forward, Two guide posts 13 respectively forwardly extended from 11 both ends of base portion.The two sides of the base portion 11 are respectively provided with a holding tank 111, a circuit board 7 is held on the holding tank 111.A docking section 12 recessed slot 121 backward, the slot 121 Two 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 containers 1222, and the other side of the groove 1221 is accommodated with multiple thirds Slot 1223, the second sidewall 123 have the protrusion 1231 being oppositely arranged with the groove 1221, the protrusion 1231 Extend towards the direction far from the second sidewall 123, the protrusion 1231 is equipped with multiple second containers 1232.The guiding Column 13 is separately positioned on the docking section 12 along the two sides of longitudinally, for guiding the grafting of the docking connector 200.
Each terminal 2 has the contact portion 201 for protruding into the slot 121, prolongs backward from the contact portion 201 The interconnecting piece 202 stretched, the weld part 203 to extend back from the interconnecting piece 202, the weld part 203 are soldered to described Circuit board 7.Multiple terminals 2 include first end subgroup 21, second end subgroup 22, third terminal group 23, the first terminal Group 21 is contained in first container 1222, and the second end subgroup 22 is contained in second container 1232, and described the Three terminal groups 23 are contained in the third container 1223.
The first end subgroup 21 includes seven conductive terminals for being used for transmission signal, and the second end subgroup 22 also includes Seven be used for transmission the conductive terminal of signal, the first end subgroup 21 and the structure having the same of the second end subgroup 22 and It is symmetrical arranged, seven conductive terminals of the first end subgroup 21 and the second end subgroup 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 specification The function of middle signal segment S1-S7, the second end subgroup 22 has the function of signal segment S8-S14 in SAS2.0 specification, described Third terminal group 23 includes 15 conductive terminals, and the third group terminal has power section P1-P15 in SAS2.0 specification Function.
As shown in Fig. 1, Fig. 3, Fig. 5 and Fig. 7, the first end subgroup 21 includes two pair of first 211 He of difference signal terminal Three the first ground terminals 212, the second end subgroup 22 include two pair of second difference signal terminal 221 and three second ground connection Terminal 222.The periphery of every a pair first difference signal terminal 211 is respectively equipped with a masking shell 3, and the masking shell 3 is embedded In the side of the groove 1221.The periphery of the second end subgroup is equipped with a shielding case 4, and the shielding case 4 is embedded at described Protrusion 1231, the shielding case 4 only cover the surface of the protrusion 1231 on longitudinally, do not cover described second side The outer surface of other parts of the wall 123 in addition to the protrusion 1231.Each masking shell 3 has a first annular portion 31, the first annular portion 31 coats the periphery of a pair of first difference signal terminal 211, and two masking shells 3 are distinguished Positioned at the two sides of first ground terminal 212.The shielding case 4 has one second ring part 41, second annular Portion 41 coats the periphery of two pairs of second difference signal terminals 221.Due to first difference signal terminal 211 and described Two difference signal terminals 221 are surrounded by the masking shell 3 and the shielding case 4 respectively, therefore difference signal terminal is to generation Interference signal can be excluded 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 one first collets 5, the second end subgroup 22 edges are embedded in one second collets 6, and first collets 5 and second collets 6 can guarantee the first end subgroup 21 and the second end subgroup 22 normotopia degree.The first side wall 122 has one first accommodation groove 1224, the second sidewall 123 have one second accommodation groove 1233, and first collets 5 are contained in first accommodation groove 1224, second insulation Block 6 is contained in second accommodation groove 1233.The edge of masking shell 3, which buries, is fixed on first collets 5, and edge is buried and is fixed on The first side wall 122, second accommodation groove 1233 is interior to be equipped with a clasp slot 1234, and second ring part 41 is equipped with a button Portion 411 is held, the holding part 411 is held in the clasp slot 1234, to guarantee 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 two sides of each masking shell 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 masking shell 3 Touching.Intermediate first ground terminal 212 extends the institute that an abutting part 213 passes through two masking shells 3 to two sides respectively Notch 32 is stated, while being contacted with two masking shells 3.Second collets, 6 two sides are respectively equipped with a recessing groove 61, described 4 two sides of shielding case 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 masking shell 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 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 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 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 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 shielding case 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.
In conclusion the invention has the following advantages:
1. the second end subgroup 22 is contained in the protrusion 1231, the shielding case 4 is embedded at the protrusion 1231 and the second end subgroup 22 is coated, so that second difference signal terminal 221 itself is shielded well, had good Good radioshielding effect.
2. the shielding case 4 is equipped with the elastic slice 43 and abuts with second ground terminal 222, strengthens described second and connect The earthing effect of ground terminal 222 reduces the cross-talk in signals transmission, and then improves transmission speed.
3. second ground terminal 222 is mutually conducted with the secondary shielding part 9, shielding case 4, a plurality of guiding path is formed Diameter, the interference signal that the second end subgroup 22 is generated are excluded in time, and guarantee high-frequency signal stablizes transmission.
4. the shielding case 4 is equipped with grounding leg 44 and second ground terminal 222 is welded in the same weld pad, 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, 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 extends along longitudinally, described right with a base portion and from a docking part that the base portion extends forward Socket part is recessed with a slot backward, and the two sides of the slot have a first side wall that is being oppositely arranged and extending along longitudinally With a second sidewall, the second sidewall is equipped with a protrusion, direction projection of the protrusion towards the separate second sidewall Extend；
Multiple terminals are arranged along longitudinally, including first end subgroup and second end subgroup, the first end subgroup are contained in institute The first side wall is stated, the second end subgroup is contained in the protrusion, and the second end subgroup includes at least a pair of of differential signal Terminal；
One shielding case only covers the protrusion on longitudinally and does not cover the other parts of the second sidewall, and wraps Cover the periphery of at least a pair of difference signal terminal.
2. electric connector as described in claim 1, it is characterised in that: multiple terminals include third terminal group, and described One side wall is equipped with the groove being oppositely arranged with the protrusion, and the first end subgroup and the third terminal group accommodate respectively In the two 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 masking shell coat the periphery of at least two first terminals.
3. electric connector as described 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 end subgroup edge are 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 equipped with an accommodation groove, institute It states collets and is contained in the accommodation groove, a clasp slot is equipped in the accommodation groove, the ring part is equipped with a holding part, described Holding part is held in the clasp slot.
5. electric connector as claimed in claim 3, it is characterised in that: the extension is equipped at least a pair of of through-hole, the difference Sub-signal terminal part is revealed in the through-hole.
6. electric connector as claimed in claim 3, it is characterised in that: the second end subgroup includes a ground terminal, described Shielding case is equipped with an elastic slice, and the collets are equipped with a recessing groove, and the elastic slice passes through the recessing groove and the ground terminal Contact.
7. electric connector as claimed in claim 6, it is characterised in that: the ground terminal is equipped with an aperture, and a shielding part is set There is a fixing arm to protrude into the aperture, the shielding part is fixed on the collets, and the ground terminal and the shielding case are equal It is contacted with the shielding part.
8. electric connector as described in claim 1, 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 shielding Shell has multiple grounding legs, and at least one grounding leg is welded in the second surface.
9. electric connector as claimed in claim 8, it is characterised in that: at least one grounding leg is welded in first table 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 and first ground terminal are welded in the same weld pad.
CN201710211939.6A 2016-12-15 2017-04-01 Electric connector Active CN107039850B (en)

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US62/434,476 2016-12-15

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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
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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
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CN107134692A (en) 2017-09-05
CN107394521A (en) 2017-11-24
CN107453064B (en) 2019-12-27
CN107359450A (en) 2017-11-17
CN107134691A (en) 2017-09-05
CN107453064A (en) 2017-12-08
CN107039850A (en) 2017-08-11
CN107437675A (en) 2017-12-05
CN107394521B (en) 2019-06-18
CN107134691B (en) 2019-06-11

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