CN107453064A - Electric connector - Google Patents

Electric connector Download PDF

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Publication number
CN107453064A
CN107453064A CN201710535453.8A CN201710535453A CN107453064A CN 107453064 A CN107453064 A CN 107453064A CN 201710535453 A CN201710535453 A CN 201710535453A CN 107453064 A CN107453064 A CN 107453064A
Authority
CN
China
Prior art keywords
interface
electric connector
collets
slot
terminal group
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
CN201710535453.8A
Other languages
Chinese (zh)
Other versions
CN107453064B (en
Inventor
周剑
隆权
余意
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 CN107453064A publication Critical patent/CN107453064A/en
Application granted granted Critical
Publication of CN107453064B publication Critical patent/CN107453064B/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

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

Abstract

The invention discloses a kind of electric connector, including insulating body, forward extend including base portion and by base portion the hyoplastron formed, the upper surface of hyoplastron has the first interface, the 3rd interface and the 4th interface, and the lower surface of hyoplastron has the second interface, convex portion is provided between the first interface and the 3rd interface, 4th interface is located at the upper surface of convex portion, second interface part is located at the lower surface of convex portion, and the first slot of recessed formation, the first slot are extended in hyoplastron forward for the rear end of base portion；The first terminal module is inserted in the first slot, the first terminal module includes the first collets, the first end subgroup being immobilizated in the first collets and the first shielding case being coated on outside the first collets and first end subgroup, first end subgroup is revealed in second interface, noise caused by being effectively reduced first end subgroup, improves cross-talk.

Description

Electric connector
Technical field
The present invention relates to a kind of electric connector, refers in particular to a kind of electric connector for transmitting high-frequency signal.
Background technology
Serial connecting small computer system interface（Serial Attached SCSI, SAS）It is that parallel SCSI is based on string The development of row technology, in addition to having higher signaling rate advantage, the advantages of another is notable is that SAS interfaces can be with SATA interface is compatible, i.e., SATA plug connectors can be inserted directly into SAS socket connectors.In this way, system architecture can Flexibly to integrate SAS or SATA device, and substantially reduce the cost for supporting two separate interfaces.
A kind of existing electric connector includes insulating body, and insulating body, which has a base portion and extended forward by base portion, to be formed A hyoplastron, the lower surface of the hyoplastron has the first interface, the upper surface of the hyoplastron have the second interface, the 3rd pair Junction and the 4th interface, convex portion being provided between the second interface and the 4th interface, the 3rd interface is located on convex portion, and first Interface, the second interface, the 3rd interface and the 4th interface are respectively equipped with first end subgroup, Second terminal group, the 3rd end Subgroup and forth terminal group.Forth terminal group includes multiple ground terminals, and a conducting strip extends to form multiple conducting pin difference With each ground terminal contact.
However, conducting strip is only by difference signal terminal is reduced to caused noise by ground terminal conducting, can not Difference signal terminal is effectively shielded to itself, crosstalk problem or serious, it is therefore necessary to which design is a kind of preferably Connector, to overcome above mentioned problem.
The content of the invention
It is an object of the invention to provide a kind of electric connector, by inserting a shielding case in base portion and hyoplastron and surrounding end Son, to reach the good effect of electric connector high frequency performance.
In order to achieve the above object, the present invention adopts the following technical scheme that：
A kind of electric connector, including：One insulating body, including a base portion and extend the hyoplastron formed forward by the base portion, The hyoplastron has one first interface, one second interface and one the 3rd interface, and the hyoplastron is in first interface A convex portion is provided between the 3rd interface, second interface is located on the convex portion, and the rear end of the base portion is forward One first slot of recessed formation, first slot are extended in the convex portion；One the first terminal module is inserted in described first In slot, the first terminal module includes one first collets, the first end subgroup being immobilizated in first collets With one first shielding case being coated on outside first collets and first end subgroup, the first end subgroup is revealed in described Two interfaces.
Further, first shielding case has one first covering portion of ring-type and extended forward from first covering portion One first portion of the tabular of formation, first covering portion coats first collets and the first of the insertion base portion inserts In groove, first portion is inserted in the first slot of the convex portion.
Further, first covering portion is provided with least one first shell fragment, and the internal face of first slot protrudes out one One stop block, first stop block the first shell fragment described in block forward.
Further, the rear end face of first stop block is provided with inclined one first guiding face.
First covering portion is provided with least one second shell fragment, and first collets are provided with one second stop block, described Second stop block the second shell fragment described in block forward.
Further, the rear end face of second stop block is provided with inclined one second guiding face.
Further, the inwall of first slot is provided with inclined one first inclined-plane, and first shielding case, which has, to be tilted One first chamfering, first chamfering is bonded first inclined-plane.
Further, one second slot of recessed formation, a Second terminal module are inserted in institute forward for the rear end of the base portion State in the second slot, the Second terminal module includes one second collets, one second be immobilizated in second collets Terminal group and the secondary shielding shell being coated on outside second collets and Second terminal group, the Second terminal group are revealed in First interface, the inwall of second slot are provided with inclined one second inclined-plane, and the secondary shielding shell, which has, to be tilted One second chamfering, second chamfering is bonded second inclined-plane.
Further, first inclined-plane is located at the underface on the second inclined-plane, and first inclined-plane is oblique parallel to described second Face.
Further, a recessed formation at least reinforced hole, the reinforced hole penetrate the base forward for the rear end of the base portion The front end face and rear end face in portion.
Further, a kind of electric connector, including：One insulating body, including a base portion and shape is extended forward by the base portion Into a hyoplastron, the upper surface of the hyoplastron has one first interface, one the 3rd interface and one the 4th interface, the tongue The lower surface of plate has one second interface, is provided with a convex portion between first interface and the 3rd interface, and the described 4th Interface is located at the upper surface of the convex portion, and the second interface part is located at the lower surface of the convex portion, the base portion One first slot of recessed formation, first slot are extended in the hyoplastron forward for rear end；One the first terminal module plugs In in first slot, the first terminal module includes one first collets, one be immobilizated in first collets First end subgroup and one first shielding case being coated on outside first collets and first end subgroup, the first end subgroup show It is exposed to second interface.
Further, first shielding case has one first covering portion of ring-type and extended forward from first covering portion One first portion of the tabular of formation, first covering portion coats first collets and the first of the insertion base portion inserts In groove, first portion is inserted in the first slot of the hyoplastron.
Further, first covering portion is provided with least one first shell fragment, and the internal face of first slot protrudes out one One stop block, first stop block the first shell fragment described in block forward.
Further, the rear end face of first stop block is provided with inclined one first guiding face.
Further, first covering portion is provided with least one second shell fragment, and first collets are provided with one second block Block, second stop block the second shell fragment described in block forward.
Further, the rear end face of second stop block is provided with inclined one second guiding face.
Further, the front-end edge of first covering portion extends to form a location division forward, and the location division is forwardly inserted In one through hole of the base portion.
Further, first covering portion forms one first breach, first collets from ora terminalis thereafter is recessed forward The projection of projection one first, first projection is inserted in first breach and the first covering portion described in block forward.
Further, the end edge outward bending of first covering portion extends to form an at least extension.
Further, the extension has inclined one the 3rd guiding face.
Further, one second slot of recessed formation, a Second terminal module are inserted in institute forward for the rear end of the base portion State in the second slot, the Second terminal module includes one second collets, one second be immobilizated in second collets Terminal group and the secondary shielding shell being coated on outside second collets and Second terminal group, the Second terminal group are revealed in First interface.
Further, first shielding case is located at the lower section of the secondary shielding shell, the upward projection of the first shielding case An at least protuberance, the protuberance are connected to the secondary shielding shell.
Further, first portion is between the first end subgroup and Second terminal group.
Further, the first end subgroup includes at least one first ground terminal, the end edge of first covering portion to Extension forms at least one first grounding leg, first grounding leg and first ground terminal to be welded in a circuit board afterwards On same solder joint on.
Further, first covering portion is provided with least one the 3rd shell fragment, and the 3rd shell fragment supports with the first ground terminal Connect.
Further, the 3rd interface is provided with a third terminal group, and the 4th interface is provided with a forth terminal group, Between the first end subgroup and third terminal group, first portion is located at the first end subgroup in first portion Between forth terminal group.
Compared to the prior art, the invention has the advantages that：The rear end of the base portion forward recessed one first Slot, first slot are extended in the hyoplastron, and a first terminal module is inserted in first slot, the first terminal Module includes the first collets, the first end subgroup in first collets and is coated on the first collets and first end One first shielding case outside subgroup.First shielding case covers the first terminal group, is effectively reduced signal terminal production Raw noise, improves cross-talk.
【Brief description of the drawings】
Fig. 1 is the three-dimensional combination figure of electric connector of the present invention；
Fig. 2 is the three-dimensional exploded view of electric connector of the present invention；
Fig. 3 is the three-dimensional exploded view at another visual angle of electric connector of the present invention；
Fig. 4 is the three-dimensional combination figure at another visual angle of electric connector of the present invention；
Fig. 5 is the three-dimensional exploded view of the Second terminal module of electric connector of the present invention；
Fig. 6 is the three-dimensional exploded view of the first terminal module of electric connector of the present invention；
Fig. 7 is three-dimensional combination figure of the first terminal module group assembling of electric connector of the present invention when circuit board；
Fig. 8 is the three-dimensional combination figure at the another visual angle of electric connector of the present invention；
Fig. 9 is the sectional view of electric connector of the present invention；
Figure 10 is Fig. 8 A-A sectional views；
Figure 11 is Fig. 8 B-B sectional views；
Figure 12 is the three-dimensional exploded view of the second embodiment of electric connector of the present invention；
Figure 13 is another three-dimensional exploded view regarded of the second embodiment of electric connector of the present invention.
The drawing reference numeral explanation of embodiment：
Electric connector 100 Insulating body 1 Base portion 11 Hyoplastron 12
First interface 121 Second interface 122 3rd interface 123 4th interface 124
Convex portion 125 Guide channel 13 Holding tank 14 Locating dowel 15
Through hole 16 First slot 17 First stop block 171 First guiding face 172
First inclined-plane 173 Second slot 18 Second inclined-plane 181 Reinforced hole 19
The first terminal module 2 First end subgroup 21 First ground terminal 21A First signal terminal 21B
First holding parts 211 First contact site 212 First weld part 213 First shielding case 22
First covering portion 22A First portion 22B First shell fragment 221 Second shell fragment 222
3rd shell fragment 223 First grounding leg 224 Location division 225 First breach 226
Extension 227 3rd guiding face 2271 Protuberance 228 First chamfering 229
First collets 23 Second stop block 231 Second guiding face 232 First projection 233
Second terminal module 3 Second terminal group 31 Difference signal terminal is to 31A Second ground terminal 31B
Second holding parts 311 Second contact site 312 Second weld part 313 Secondary shielding shell 32
Second covering portion 321 Grounding parts 322 4th shell fragment 323 Second breach 324
Second grounding leg 325 Second chamfering 326 Second collets 33 Second projection 331
Intershield piece 34 Third terminal group 4 Forth terminal group 5 Metalwork 6
Circuit board 7 Solder joint 71
【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 depicted in figs. 1 and 2, electric connector 100 of the invention is used to be docked to a butt connector（It is not shown）, it is described Electric connector 100 is arranged on a short slot of a circuit board 7（It is not shown）It is interior, i.e. depositing plate type structure.The electric connector 100 includes One insulating body 1, a first terminal module 2, a Second terminal module 3 in the insulating body 1, a third terminal group 4 and a forth terminal group 5.The both sides of insulating body 1 are also inserted with two metalworks 6, and the metalwork 6 is by insulating body 1 It is fixed on the circuit board 7.
As shown in Figure 1, Figure 2 and Figure 3, the insulating body 1 is in lengthwise shape, have a base portion 11 and from the base portion 11 to The hyoplastron 12 that preceding extension is formed, the lower surface of the hyoplastron 12 has one first interface 121.The upper surface of the hyoplastron 12 With one second interface 122, one the 3rd interface 123 and one the 4th interface 124.Second interface 122 and the 4th A convex portion 125 is provided between interface 124, the 3rd interface 123 is located at the upper surface of the convex portion 125.The base portion 11 both ends respectively forwardly extend to form two guide channels 13, for guiding the butt connector（It is not shown）Grafting.It is described The both sides of base portion 11 further respectively have a holding tank 14, and the metalwork 6 is inserted in the holding tank 14 and described in insertion One first positioning hole of circuit board 7（It is not shown）In, the rear side of the base portion 11 is downwardly extending two locating dowels 15, described Locating dowel 15 inserts two the second positioning holes of the circuit board 7（It is not shown）In, first positioning hole（It is not shown）With Two positioning holes（It is not shown）Run through the upper and lower surface of the circuit board 7, so as to which the electric connector 100 is fixed on into the electricity On road plate 7.
The base portion 11 forms one first slot 17 and one second slot 18 respectively from its rear end is recessed forward.Described One slot 17 is extended to corresponding to first interface 121 in the hyoplastron 12.Second slot 18 extends to described On two interfaces 122.The slot 18 of first slot 17 and second does not extend through the front end face of the hyoplastron 12.Described first The inwall of slot 17 protrudes out one first stop block 171, and the rear end face of first stop block 171 is provided with one first guiding face 172. Such as Figure 12 and Figure 13, the inwall of first slot 17 is provided with one first inclined-plane 173, and the inwall of second slot 18 is provided with one Second inclined-plane 181.First inclined-plane 173 is located at the underface on second inclined-plane 181, first inclined-plane 173 with it is described Second inclined-plane 181 is parallel.Such as Fig. 4, the base portion 11 forms two through holes 16, the through hole 16 from rear end face is also recessed forward In the lower section of the hyoplastron 12.
Such as Fig. 3, Fig. 4 and Fig. 6, the first terminal module 2 includes one first collets 23, is immobilizated in first insulation A first end subgroup 21 and one first shielding case being coated on outside first collets 23 and first end subgroup 21 in block 23 22, the first terminal module 2 is inserted in first slot 17.The first end subgroup 21 is in horizontal several rows of row and institute State the second interface 122 that first end subgroup 21 is revealed in the hyoplastron 12.The first end subgroup 21 edge bury take shape in it is described In first collets 23, the first end subgroup 21 includes multiple first ground terminal 21A and multiple first signal terminal 21B.
The first signal terminal 21B and the first ground terminal 21A includes being immobilizated in first collets 23 One first holding parts 211, extend anteriorly out by first holding parts 211 that the front end face of first collets 23 is formed one One contact site 212 and one first welding that the rear end face of the first collets 23 is extended back by first holding parts 211 Portion 213.First collets 23 are located in the first slot 17 of the base portion 11.First shielding case 22 includes ring-type One first covering portion 22A and one first portion 22B for extending the tabular formed forward by the first covering portion 22A.First bag Cover portion 22A to coat first collets 23 and insert in the first slot 17 of the base portion 11, first portion 22B insertions In first slot 17 of the hyoplastron 12.First portion 22B is shielded in the top of the first end subgroup 21.It is described First collets 23 are provided with two the second stop blocks 231, and second stop block 231 is designed with second guiding face 232.Institute The bottom surface for stating the first collets 23 protrudes out to form two the first projections 233 downwards.
The first covering portion 22A bottom surfaces are provided with two the first shell fragments 221.First stop block 171 block institute forward State the first shell fragment 221.The top surface of the first covering portion 22A is provided with two the second shell fragments 222, second stop block 231 to Second shell fragment 222 described in preceding block.The top surface of the first covering portion 22A is additionally provided with multiple 3rd shell fragments 223, the 3rd bullet Piece 223 abuts with the first ground terminal 21A.It is located at the both sides up and down of the first covering portion 22A respectively.Described first inserts First stop block 171 that the inwall of groove 17 protrudes out the first shell fragment 221 described in block forward so that the electric connector 100 with The butt connector（It is not shown）During plug, what the first terminal module 2 can be stablized is immobilizated in described first In slot 17.Second stop block 231 of first collets 23, second shell fragment 222 described in block forward so that described First collets 23 are firmly immobilizated in first shielding case 22.
Such as Fig. 7, the end edge of the first covering portion 22A extends rearwardly to form multiple first grounding legs 224, and described first The ground terminal 21A of grounding leg 224 and first is being welded on the same solder joint 71 on the circuit board 7.Such as Fig. 8, Figure 10 And Figure 11, the front-end edge of the first covering portion 22A extend to form two location divisions 225 forward, the location division 225 is inserted forward In the through hole 16 for entering the base portion 11, it is easy to so that the first terminal module 2 is fixed in the insulating body 1.Institute State the first covering portion 22A and form two the first breach 226, first collets 23 from ora terminalis both sides thereafter are respectively forwardly recessed The first projection 233 insert in first breach 226 and the first shielding case 22 described in block forward.First covering portion 22A end edge outward bending extends to form four extensions 227, and the extension 227 is located at first covering portion respectively In 22A each side wall.Each extension 227 is equipped with the 3rd guiding face 2271, and fixing can be guided to have described first First collets 23 of terminal group 21 are assembled into first shielding case 22.
Such as Fig. 3, Fig. 4 and Fig. 5, the Second terminal module 3 includes one second collets 33, is immobilizated in second insulation A Second terminal group 31 and the secondary shielding shell being coated on outside second collets 33 and Second terminal group 31 in block 33 32, the Second terminal module 3 is inserted in second slot 18.The Second terminal group 31 is in horizontal several rows of row and institute State Second terminal group 31 and be revealed in first interface 121.The edge of Second terminal group 31, which buries, takes shape in second insulation In block 33, the Second terminal group 31 includes two pairs of difference signal terminals to 31A.
The difference signal terminal 31A is included being immobilizated in one second holding parts 311 in second collets 33, by Second holding parts 311 extend anteriorly out one second contact site 312 of the front end face of the second collets 33 formation and by institutes State one second weld part 313 that the second holding parts 311 extend back the rear end face of the second collets 33.Second insulation Block 33 is located in the second slot 18 of the base portion 11.The bottom surface of second collets 33 protrude out downwards to be formed two second it is prominent Block 331.
Such as Fig. 5, two pairs of difference signal terminals are to being additionally provided with an intershield piece 34 between 31A, for shielding two pairs Difference signal terminal is to the signal interference between 31A, the ora terminalis up and down of the intershield piece 34 and the secondary shielding shell 32 Inwall abut and be grounded.The intershield piece 34 is immobilizated in second collets 33.
Such as Fig. 3 and Fig. 5, the secondary shielding shell 32 includes one second covering portion 321 of ring-type and by the second covering portion 321 The front-end edge of side extends forward three grounding parts 322 of formation.The grounding parts 322 are used as the of the Second terminal group 31 Two ground terminal 31B the second contact site 312.Second covering portion 321 is coated described in second collets 33 and insertion In second slot 18 of base portion 11, the grounding parts 322 are revealed in first interface 121.The grounding parts 322 and difference Signal terminal is alternately arranged to 31A, and the grounding parts 322 are located at outermost.Second covering portion 321 is provided with two the 4th Shell fragment 323.The internal face interference engagement of 4th shell fragment 323 and second slot 18.So that the electric connector 100 with The butt connector（It is not shown）During plug, what the Second terminal module 3 can be stablized is immobilizated in described second In slot 18.The front-end edge of second covering portion 321 is recessed backward to form two the second breach 324, second projection 331 Insert in second breach 324 and the second projection 331 described in block backward.So that second collets 33 are firmly held In in the secondary shielding shell 32.The intershield piece 34 abuts with the second ground terminal 31B.
Such as Fig. 1, Fig. 4 and Fig. 9, the end edge of second covering portion 321 bends downwards extension and forms three second ground connection Pin 325, second grounding leg 325 are welded on the solder joint 71 of the circuit board 7 so that the secondary shielding shell 32 is grounded. Second grounding leg 325 is used as the second weld part 313 of the second ground terminal 31B.First shielding case 22 is located at The lower section of the secondary shielding shell 32, such as Fig. 9 and Figure 10, the top surface of first shielding case 22 punctures to be protruded out to form two upwards Protuberance 228, the protuberance 228 are connected to the secondary shielding shell 32.So that first shielding case 22 and secondary shielding Shell 32 turns on, and the earthing effect of the two is more preferable, improves the cross-talk and high frequency of the electric connector 100.First portion 22B positions Between the first end subgroup 21 and Second terminal group 31.The third terminal group 4 is located at the 3rd interface 123, institute State forth terminal group 5 and be located at the 4th interface 124.First portion 22B be located at the first end subgroup 21 with it is described Between third terminal group 4, first portion 22B also is located between the first end subgroup 21 and the forth terminal group 5.Institute First portion 22B is stated to have separated between first end subgroup 21 and Second terminal group 31, third terminal group 4 and forth terminal group 5 Signal interference, there is good shielding action.
As shown in Fig. 3, Fig. 5 and Fig. 8, because the difference signal terminal is distinguished 31A and the first signal terminal 21B Surrounded by the shielding case 22 of secondary shielding shell 32 and first.The 3rd shell fragment 223 and described first of first shielding case 22 Ground terminal 21A Elastic Contacts so that first shielding case 22 is grounded.And the first grounding leg of first shielding case 22 224 are welded on the same solder joint 71 of the circuit board 7 simultaneously with the first ground terminal 21A, save the circuit The space of plate 7 so that the first shielding case 22 can be preferably grounded.The secondary shielding shell 32 is also by second grounding leg 325 ground connection, therefore the difference signal terminal to interference signal caused by 31A and the first signal terminal 21B can in time by Exclude, ensure the stable transmission of high-frequency signal.The grounding leg 325 of the grounding parts 322 and second of the secondary shielding shell 32 is used Make the second ground terminal 31B of the Second terminal group 31, simplify technique.
As shown in Figure 5 and Figure 6, the edge of first end subgroup 21 is embedded in first collets 23, the Second terminal group 31 edges are embedded in second collets 33, and first collets 23 and second collets 33 can ensure the first end The normotopia degree of subgroup 21 and the Second terminal group 31.First stop block 171 of the inwall of first slot 17 is to front Only the first shell fragment 221 of first shielding case 22, the second stop block 231 of first collets 23 is forward described in block Second shell fragment 222 of one shielding case 22, so as to ensure that first shielding case 22 is stable in first slot 17, described One collets 23 are stable in first shielding case 22.Second guiding face 232 of second stop block 231 can guide institute State the periphery that the first shielding case 22 is assembled in first collets 23.Then, the first guiding face of first stop block 171 172 can guide first shielding case 22 to insert in first slot 17.
As shown in figure 8, the circuit board 7 is provided with front two rows solder joint 71, the first end subgroup 21 is welded in front row On the solder joint 71, the Second terminal group 31, third terminal group 4 and forth terminal group 5 are welded in the solder joint 71 of heel row On.The arrangement space of the solder joint 71 can be saved, it is not necessary to additionally increase the length of the circuit board 7.
Such as Figure 12 and Figure 13, in the second embodiment of the present invention, the inwall of first slot 17 is provided with inclined 1 the One inclined-plane 173, first shielding case 22 have inclined one first chamfering 229, and first chamfering 229 is bonded described first Inclined-plane 173.The inwall of second slot 18 is provided with inclined one second inclined-plane 181, and the secondary shielding shell 32, which has, to be tilted One second chamfering 326, second chamfering 326 is bonded second inclined-plane 181.First inclined-plane 173 is oblique positioned at second The underface in face 181, first inclined-plane 173 is parallel to second inclined-plane 181.Reduce the height of the electric connector 100 Degree.The rear end of the base portion 11 is recessed forward to form multiple reinforced holes 19, before the reinforced hole 19 penetrates the base portion 11 End face and rear end face, mold part strength is strengthened, while be advantageous to improve plastic cement arm problem in uneven thickness.Other structures Substantially same first embodiment.
In summary, the invention has the advantages that：
1. first slot 17 is located in the base portion 11 and extended in the hyoplastron 12, the first terminal module 2 is inserted Enter in first slot 17, first shielding case 22 is coated outside the collets 23 of first end subgroup 21 and first, described First covering portion 22A of the first shielding case 22 coats the first holding parts 211 and the first earth terminal of the first signal terminal 21B Sub- 21A the first holding parts 211, first portion 22B are shielded in the first contact site 212 of the first signal terminal 21B With the top of the first contact site 212 of the first ground terminal 21A, the first end subgroup 21 is shielded well so that The electric connector 100 has good high frequency performance.
2. first shielding case 22 abuts provided with the 3rd shell fragment 223 with the first ground terminal 21A, meanwhile, The end edge of first shielding case 22 extends rearwardly to form first grounding leg 224 and same first ground terminal 21A is welded on the same solder joint 71 of the circuit board 7 so that the earthing effect of first shielding case 22 is more preferable so that Interference signal caused by the first end subgroup 21 can be excluded in time, ensure the high-frequency signal of electric connector 100 Stable transmission.
3. the first shell fragment of first shielding case 22 described in block forward of first gear stops 171 is protruded out in first slot 17 221, first collets 23 are provided with the second shell fragment 222 of the second stop block 231 first shielding case 22 described in block forward, institute State the first projection 233 described in the projection of the first collets 23 to insert in first breach 226 so that first collets 23 are steady Solid be immobilizated in first shielding case 22, first shielding case 22 is firm to be immobilizated in first slot 17, and The guiding face 232 of first guiding face 172 and second is easy to the assembling of first shielding case 22.
4. first portion 22B is between the first end subgroup 21 and Second terminal group 31, first portion 22B has separated first end subgroup 21 and second between the first end subgroup 21 and third terminal group 4, forth terminal group 5 Signal interference between terminal group 31, third terminal group 4, forth terminal group 5 so that the electric connector 100 has good High frequency performance.
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 (26)

  1. A kind of 1. electric connector, it is characterised in that including：
    One insulating body, including a base portion and extend the hyoplastron formed forward by the base portion, the hyoplastron has one first Interface, one second interface and one the 3rd interface, the hyoplastron are set between first interface and the 3rd interface There is a convex portion, second interface is located on the convex portion, and the rear end of the base portion is recessed forward to form one first slot, First slot is extended in the convex portion；
    One the first terminal module is inserted in first slot, and the first terminal module includes one first collets, fixing In the first end subgroup in first collets and be coated on outside first collets and first end subgroup one first Shielding case, the first end subgroup are revealed in second interface.
  2. 2. electric connector as claimed in claim 1, it is characterised in that：First shielding case has one first cladding of ring-type Portion and extend forward from first covering portion formation tabular one first portion, first covering portion cladding described first In first slot of collets and the insertion pedestal, first portion is inserted in the first slot of the convex portion.
  3. 3. electric connector as claimed in claim 2, it is characterised in that：First covering portion is provided with least one first shell fragment, The internal face of first slot protrudes out one first stop block, first stop block the first shell fragment described in block forward.
  4. 4. electric connector as claimed in claim 3, it is characterised in that：The rear end face of first stop block is provided with inclined one First guiding face.
  5. 5. electric connector as claimed in claim 2, it is characterised in that：First covering portion is provided with least one second shell fragment, First collets are provided with one second stop block, second stop block the second shell fragment described in block forward.
  6. 6. electric connector as claimed in claim 5, it is characterised in that：The rear end face of second stop block is provided with inclined one Second guiding face.
  7. 7. electric connector as claimed in claim 1, it is characterised in that：The inwall of first slot is provided with inclined one first Inclined-plane, first shielding case have inclined one first chamfering, and first chamfering is bonded first inclined-plane.
  8. 8. electric connector as claimed in claim 7, it is characterised in that：The rear end of the base portion is recessed forward to form one second Slot, a Second terminal module are inserted in second slot, and the Second terminal module includes one second collets, fixing In the Second terminal group in second collets and be coated on outside second collets and Second terminal group one second Shielding case, the Second terminal group are revealed in first interface, and the inwall of second slot is provided with inclined one second Inclined-plane, the secondary shielding shell have inclined one second chamfering, and second chamfering is bonded second inclined-plane.
  9. 9. electric connector as claimed in claim 8, it is characterised in that：First inclined-plane is located at the underface on the second inclined-plane, First inclined-plane is parallel to second inclined-plane.
  10. 10. electric connector as claimed in claim 8, it is characterised in that：The rear end of the pedestal is recessed forward to be formed at least One reinforced hole, the reinforced hole penetrate the front end face and rear end face of the pedestal.
  11. A kind of 11. electric connector, it is characterised in that including：
    One insulating body, including a base portion and extend the hyoplastron formed forward by the base portion, the upper table mask of the hyoplastron There are one first interface, one the 3rd interface and one the 4th interface, the lower surface of the hyoplastron has one second interface, institute State and a convex portion is provided between the first interface and the 3rd interface, the 4th interface is located at the upper surface of the convex portion, institute The lower surface that the second interface part is located at the convex portion is stated, the rear end of the base portion is recessed forward to form one first slot, First slot is extended in the hyoplastron；
    One the first terminal module is inserted in first slot, and the first terminal module includes one first collets, fixing In the first end subgroup in first collets and be coated on outside first collets and first end subgroup one first Shielding case, the first end subgroup are revealed in second interface.
  12. 12. electric connector as claimed in claim 11, it is characterised in that：First shielding case has one first bag of ring-type Cover portion and extend one first portion of the tabular of formation forward from first covering portion, first covering portion cladding described the In first slot of one collets and the insertion pedestal, first portion is inserted in the first slot of the hyoplastron.
  13. 13. electric connector as claimed in claim 12, it is characterised in that：First covering portion is provided with least one first bullet Piece, the internal face of first slot protrude out one first stop block, first stop block the first shell fragment described in block forward.
  14. 14. electric connector as claimed in claim 13, it is characterised in that：The rear end face of first stop block is provided with inclined One first guiding face.
  15. 15. electric connector as claimed in claim 12, it is characterised in that：First covering portion is provided with least one second bullet Piece, first collets are provided with one second stop block, second stop block the second shell fragment described in block forward.
  16. 16. electric connector as claimed in claim 15, it is characterised in that：The rear end face of second stop block is provided with inclined One second guiding face.
  17. 17. electric connector as claimed in claim 12, it is characterised in that：The front-end edge of first covering portion extends forward shape Into a location division, the location division is forwardly inserted in a through hole of the pedestal.
  18. 18. electric connector as claimed in claim 12, it is characterised in that：First covering portion is recessed forward from ora terminalis thereafter One first breach, the projection of the first collets projection one first are formed, first projection is inserted in first breach simultaneously First covering portion described in block forward.
  19. 19. electric connector as claimed in claim 12, it is characterised in that：The end edge outward bending of first covering portion is prolonged Stretch to form an at least extension.
  20. 20. electric connector as claimed in claim 19, it is characterised in that：The extension has inclined one the 3rd guiding Face.
  21. 21. electric connector as claimed in claim 12, it is characterised in that：The rear end of the base portion is recessed forward to form one the Two slots, a Second terminal module are inserted in second slot, and the Second terminal module includes one second collets, consolidated The Second terminal group that is held in second collets and be coated on outside second collets and Second terminal group one the Two shielding cases, the Second terminal group are revealed in first interface.
  22. 22. electric connector as claimed in claim 21, it is characterised in that：First shielding case is located at the secondary shielding shell Lower section, first shielding case projects upwards into a few teat, and the teat is connected to the secondary shielding shell.
  23. 23. electric connector as claimed in claim 21, it is characterised in that：First portion be located at the first end subgroup with Between Second terminal group.
  24. 24. electric connector as claimed in claim 12, it is characterised in that：The first end subgroup includes at least one first ground connection Terminal, the end edge of first covering portion extend rearwardly to form at least one first grounding leg, first grounding leg with it is described First ground terminal is being welded on the same solder joint on a circuit board.
  25. 25. electric connector as claimed in claim 24, it is characterised in that：First covering portion is provided with least one the 3rd bullet Piece, the 3rd shell fragment abut with the first ground terminal.
  26. 26. electric connector as claimed in claim 12, it is characterised in that：3rd interface is provided with a third terminal group, 4th interface is provided with a forth terminal group, first portion be located at the first end subgroup and third terminal group it Between, first portion is between the first end subgroup and forth terminal group.
CN201710535453.8A 2016-12-15 2017-07-04 Electrical connector Active CN107453064B (en)

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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
CN201710535286.7A Active CN107394521B (en) 2016-12-15 2017-07-04 Electric connector
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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
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CN108631085A (en) * 2018-03-21 2018-10-09 番禺得意精密电子工业有限公司 Electric connector
CN108631085B (en) * 2018-03-21 2019-12-27 番禺得意精密电子工业有限公司 Electrical connector
CN112563827A (en) * 2019-10-31 2021-03-26 宣德科技股份有限公司 Electric connector structure
US11431135B2 (en) 2019-10-31 2022-08-30 Speed Tech Corp. Electrical connector structure with three sets of terminals and a ground connecting structure

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CN107394521B (en) 2019-06-18
CN107359450A (en) 2017-11-17
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CN107039850A (en) 2017-08-11
CN107039850B (en) 2019-04-26
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CN107453064B (en) 2019-12-27
CN107394521A (en) 2017-11-24

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