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CN107394521A - Electric connector - Google Patents

Electric connector Download PDF

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Publication number
CN107394521A
CN107394521A CN201710535286.7A CN201710535286A CN107394521A CN 107394521 A CN107394521 A CN 107394521A CN 201710535286 A CN201710535286 A CN 201710535286A CN 107394521 A CN107394521 A CN 107394521A
Authority
CN
China
Prior art keywords
electric connector
terminal group
groove
slot
base portion
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
CN201710535286.7A
Other languages
Chinese (zh)
Other versions
CN107394521B (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 CN107394521A publication Critical patent/CN107394521A/en
Application granted granted Critical
Publication of CN107394521B publication Critical patent/CN107394521B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581—Shield structure
    • H01R13/6585—Shielding material individually surrounding or interposed between mutually spaced contacts
    • H01R13/6586—Shielding material individually surrounding or interposed between mutually spaced contacts for separating multiple connector modules
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581—Shield structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/51—Fixed connections for rigid printed circuits or like structures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/7082—Coupling device supported only by cooperation with PCB
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
    • H01R12/716—Coupling device provided on the PCB
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
    • H01R12/722—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
    • H01R13/6461—Means for preventing cross-talk
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/652—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding   with earth pin, blade or socket
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581—Shield structure
    • H01R13/6585—Shielding material individually surrounding or interposed between mutually spaced contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581—Shield structure
    • H01R13/6585—Shielding material individually surrounding or interposed between mutually spaced contacts
    • H01R13/6586—Shielding material individually surrounding or interposed between mutually spaced contacts for separating multiple connector modules
    • H01R13/6587—Shielding material individually surrounding or interposed between mutually spaced contacts for separating multiple connector modules for mounting on PCBs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6591—Specific features or arrangements of connection of shield to conductive members
    • H01R13/6594—Specific features or arrangements of connection of shield to conductive members the shield being mounted on a PCB and connected to conductive members
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6591—Specific features or arrangements of connection of shield to conductive members
    • H01R13/6596—Specific features or arrangements of connection of shield to conductive members the conductive member being a metal grounding panel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6591—Specific features or arrangements of connection of shield to conductive members
    • H01R13/6597—Specific features or arrangements of connection of shield to conductive members the conductive member being a contact of the connector
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/06—Connectors or connections adapted for particular applications for computer periphery

Landscapes

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

Abstract

The invention discloses a kind of electric connector, including insulating body, has base portion and from the docking section that base portion extends forward, and docking section is arranged with docking groove backward, and there is the first side wall being oppositely arranged and second sidewall, the second sidewall to have groove for the both sides of docking groove；Multiple terminals, including first end subgroup, Second terminal group, third terminal group and forth terminal group, first end subgroup are contained in the first side wall, and Second terminal group and third terminal group are contained in the both sides of the groove respectively, and forth terminal group is contained in groove；First shielding case, be embedded at the first side wall, the first shielding case has the first annular portion of ring-type, and first annular portion is coated on the periphery of first end subgroup, be effectively reduced first end subgroup caused by noise, improve 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 conducting terminal, insulating body have a base portion and from base portion to The docking section of preceding extension, docking section have the docking groove that lengthwise extends and are arranged at the first wall and second of both sides above and below docking groove Wall, conducting terminal includes being individually fixed in the first end subgroup of the first wall and the second wall and Second terminal group, electric connector also wrap Include ground strip, ground strip there is connecting pin to be in contact with each ground terminal of first end subgroup respectively be connected.
However, turning on ground terminal only by the ground strip reduces signal interference, it is limited to shield the effect of high frequency, It is therefore desirable to design a kind of more preferable connector, to overcome above mentioned problem.
The content of the invention
The present invention creation purpose be to provide a kind of signal cross-talk small electric connector, pass through the side wall in slot both sides Shielding case is embedded respectively, to improve the effect of electric connector shielding electromagnetic interference.
In order to achieve the above object, the present invention adopts the following technical scheme that：
A kind of electric connector, including：One insulating body, there is a base portion and from a docking part that the base portion extends forward, institute State docking section and be arranged with a docking groove backward, the both sides of the docking groove have the first side wall being oppositely arranged and one second side Wall；Multiple terminals, including a first end subgroup and a Second terminal group, the first end subgroup are contained in the first side wall, The Second terminal group is contained in the second sidewall, and the first end subgroup includes at least two the first terminals, and described second Terminal group includes at least two Second terminals；One first shielding case, is embedded at the first side wall, and first shielding case has One first annular portion, the first annular portion coat the periphery of at least two the first terminals；One secondary shielding shell, is embedded at The second sidewall, the secondary shielding shell have one second ring part, the second ring part cladding at least two described the The periphery of two-terminal.
Further, multiple terminals include a third terminal group, and the first side wall has a groove, second end Subgroup and the third terminal group are contained in the both sides of the groove respectively, and the secondary shielding shell is embedded at the one of the groove Side.
Further, a kind of electric connector, including：
One insulating body, there is a base portion and be arranged with backward from a docking part that the base portion extends forward, the docking section One docking groove, the both sides of the docking groove have the first side wall being oppositely arranged and a second sidewall, the second sidewall tool There is a groove；Multiple terminals, including a first end subgroup, a Second terminal group, a third terminal group and a forth terminal group, institute State first end subgroup and be contained in the first side wall, the Second terminal group and the third terminal group are contained in described recessed respectively The both sides of groove, the forth terminal group are contained in the groove；One first shielding case, the first side wall is embedded at, it is described First shielding case has a first annular portion of ring-type, and the first annular portion is coated on the periphery of the first end subgroup.
Further, one first slot of recessed formation, first slot extend to described forward for the rear end of the base portion In second sidewall, first shielding case is inserted in first slot.
Further, first annular portion's insertion is in first slot of the base portion.
Further, first shielding case has one first portion of tabular, and first portion is from described first annular Portion extends to be formed forward, and first portion is shielded in the lower surface of the base portion.
Further, the left and right sides edge in first portion is first folded upward at extension outward bending extends to form one the again One kink, the both sides of first slot have one first narrower holding tank, the first kink insertion described first In holding tank.
Further, one first collets are coated with the first annular portion, the first end subgroup is immobilizated in described In one collets.
Further, the first annular portion is provided with least one first shell fragment, and first collets are provided with one first block Block, first stop block the first shell fragment described in block backward.
Further, first stop block is provided with inclined one first guiding face.
Further, one first breach of recessed formation, first collets are convex forward for the end edge in the first annular portion Stretch one first projection, first projection is inserted in first breach, first breach the first projection described in block backward.
Further, the first annular portion is provided with least one second shell fragment, and the first end subgroup includes at least one first Ground terminal, second shell fragment are connected to first ground terminal.
Further, the first annular portion extends rearwardly to form at least one first grounding leg, first grounding leg and institute The first ground terminal is stated to be welded on the same solder joint on a circuit board.
Further, the second sidewall is embedded with a secondary shielding shell, and the secondary shielding shell is coated on second end Subgroup is outer and is located at the side of the groove.
Further, the secondary shielding shell has one second ring part of ring-type and extended forward by second ring part Form one second portion of tabular.
Further, one second slot of recessed formation, second slot extend to described forward for the rear end of the base portion In second sidewall, the second annulus insertion is described in second slot of the base portion, and second portion hides Cover in the top surface of the pedestal.
Further, outward bending extends to form one second bending the first bending extension downwards of the lateral edges in second portion again Portion, the side of second slot have one second narrower holding tank, and second kink inserts second holding tank It is interior.
Further, one second collets are coated with second ring part, the Second terminal group is immobilizated in described In two collets.
Further, second ring part is provided with least one the 3rd shell fragment, and second collets are provided with one second block Block, second stop block the 3rd shell fragment described in block backward.
Further, second stop block is provided with inclined one second guiding face.
Further, one second breach of recessed formation, second collets are convex forward for the end edge of second ring part Stretch one second projection, second projection is inserted in second breach, second breach the second projection described in block backward.
Further, second ring part is provided with least one the 4th shell fragment, and the Second terminal group includes at least one second Ground terminal, the 4th shell fragment are connected to second ground terminal.
Further, second ring part extends rearwardly to form at least one second grounding leg, second grounding leg and institute The second ground terminal is stated to be welded on the same solder joint on the circuit board.
Further, first shielding case is located at the lower section of the secondary shielding shell, and the secondary shielding shell is in upper and lower To projection overlapped with part first shielding case.
Compared to the prior art, the invention has the advantages that：First shielding case is embedded at the first side wall, institute The periphery that the first shielding case coats the first end subgroup, the first shielding case ground connection are stated, therefore institute can be excluded in time The interference signal of first end subgroup is stated, ensures the stable transmission of the high-frequency signal of the electric connector.
【Brief description of the drawings】
Fig. 1 is the three-dimensional exploded view of electric connector of the present invention；
Fig. 2 is the three-dimensional combination figure 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 unassembled three-dimensional combination figure in circuit board of electric connector of the present invention；
Fig. 5 is the three-dimensional combination figure at another visual angle of electric connector of the present invention；
Fig. 6 is the part isometric exploded view of electric connector of the present invention；
Fig. 7 is Fig. 6 part isometric constitutional diagram；
Fig. 8 is another part three-dimensional exploded view of electric connector of the present invention；
Fig. 9 is the sectional view of electric connector of the present invention；
Figure 10 is Fig. 9 exploded view；
Figure 11 is the three-dimensional combination figure of second embodiment of the invention；
Figure 12 is the three-dimensional combination figure at another visual angle of second embodiment of the invention.
The drawing reference numeral explanation of embodiment：
Electric connector 100 Insulating body 1 Base portion 11 Docking section 12
Docking groove 13 The first side wall 131 Second sidewall 132 Groove 133
Accepting groove 134 Guide posts 14 Holding slot 15 Locating dowel 16
First slot 17 First holding tank 171 Second slot 18 Second holding tank 181
Terminal 2 First end subgroup 21 First ground terminal 211 Second terminal group 22
Second ground terminal 221 Third terminal group 23 Forth terminal group 24 Contact site 25
Connecting portion 26 Weld part 27 First shielding case 3 First annular portion 31
First portion 32 First kink 33 First shell fragment 34 Second shell fragment 35
First breach 36 First grounding leg 37 Secondary shielding shell 4 Second ring part 41
Second portion 42 Second kink 43 3rd shell fragment 44 4th shell fragment 45
Second breach 46 Second grounding leg 47 First collets 5 First stop block 51
First guiding face 52 First projection 53 First inclined-plane 54 Second collets 6
Second stop block 61 Second guiding face 62 Second projection 63 Second inclined-plane 64
Metalwork 7 Circuit board 8 First positioning hole 81 Second positioning hole 82
【Embodiment】
For ease of being better understood from the purpose of the present invention, structure, feature and effect etc., in conjunction with the drawings and specific embodiments The invention will be further described.
As shown in Figure 1, Figure 2 with shown in Fig. 5, electric connector 100 of the present invention is used for and a butt connector grafting, the electrical connection Device 100 is attached to a circuit board 8, including an insulating body 1, is contained in multiple terminals 2 of the insulating body 1, surrounds multiple One first shielding case 3 and a secondary shielding shell 4 of the terminal 2, hold one first collets 5 and one second of the terminal 2 Collets 6, a pair of metalworks 7.
Such as Fig. 4, the circuit board 8 has two the first positioning holes 81 and two the second positioning holes 82, first positioning The positioning hole 82 of hole 81 and second runs through the front and rear surfaces of the circuit board 8, and a surface of the circuit board 8 has upper and lower two Arrange solder joint（It is not shown）.
As shown in Fig. 2, Fig. 4 and Fig. 5, the insulating body 1 is in lengthwise shape, have a base portion 11 and from the base portion 11 to A docking part 12 of preceding extension, two guide posts 14 respectively forwardly extended from the both ends of base portion 11.The guide posts 14 are divided Both sides of the docking section 12 along longitudinally are not arranged on, for guiding the grafting of the butt connector.The base portion 11 Both sides there is a holding slot 15 respectively, the metalwork 7 is immobilizated in the holding slot 15, and inserts the circuit board 8 In first positioning hole 81.The rear end face of base portion 11 is provided with two locating dowels 16, and the locating dowel 16 inserts the circuit board 8 In second positioning hole 82.It is immobilizated in what the electric connector 100 consolidated on the circuit board 8.The docking section 12 is recessed backward If forming a docking groove 13, the both sides of the docking groove 13 have the first side wall 131 being oppositely arranged and a second sidewall 132, the second sidewall 132 has a groove 133.The first side wall 131 and second sidewall 132 are equipped with multiple collecting posts State the accepting groove 134 of terminal 2.
As shown in Figure 1, Figure 4 and Figure 5, the rear end of the base portion 11 forward it is recessed formation one first slot 17, described first Slot 17 is extended in the docking groove 13.The rear end face of the base portion 11 also forward it is recessed formation one second slot 18, it is described Second slot 18 is extended in the second sidewall 132.Second slot 18 is located at the side of the groove 133.Described One slot 17 is located at the lower section of the base portion 11, and second slot 18 is located at the top of the base portion 11.First slot 17 both sides are provided with an one first narrower holding tank 171, and such as Fig. 3, the side of second slot 18 is provided with narrower 1 the Two holding tanks 181.First slot 17 includes first holding tank 171.Second slot 18 includes the described second folder Hold groove 181.
As shown in Figure 1 and Figure 5, multiple terminals 2 are contained in the accepting groove 134.Each terminal 2 has convex The contact site 25 for stretching into the docking groove 13, the connecting portion 26 to be extended back from the contact site 25, from the connecting portion 26 weld parts 27 to extend back, the weld part 27 are soldered to the solder joint of the circuit board 8（It is not shown）On.It is multiple described Terminal 2 includes first end subgroup 21, Second terminal group 22, third terminal group 23 and forth terminal group 24, the first end subgroup 21 are contained in the accepting groove 134 of the second sidewall 132.The forth terminal group 24 is contained in the collecting of the groove 133 In groove 134, the Second terminal group 22 and third terminal group 23 are contained in the second sidewall positioned at the both sides of groove 133 respectively In 132 accepting groove 134.The first end subgroup 21 is transversely arranged longer.The Second terminal group 22, the and of third terminal group 23 Forth terminal group 24 is transversely arranged shorter.
As shown in Fig. 3, Fig. 4 and Fig. 8, first shielding case 3 includes a first annular portion 31 of annular, from described first Ring part 31 extends forward first portion 32 of the tabular of formation and is folded upward at extension again from the both sides of the edge in first portion 32 Outward bending extends one first kink 33 to be formed.First slot of the insertion of first annular portion 31 positioned at the base portion 11 In 17, first portion 32 is shielded in the bottom surface of the base portion 11, i.e., described first portion 32 is shielded in the first terminal The lower section of the contact site 25 of group 21.First kink 33 is held in first holding tank 171.First slot 17 Including first holding tank 171.First kink 33 is inserted in first holding tank 171 from the rear end face of base portion 11.
The top surface in the first annular portion 31 is provided with two the first shell fragments 34, and the bottom surface in the first annular portion 31 is provided with more Individual second shell fragment 35.The end edge both sides in the first annular portion 31 are recessed forward to form two the first breach 36.Described first The end edge of the top surface of ring part 31 extends rearwardly to form multiple first grounding legs 37.
Such as Fig. 8, Fig. 9 and Figure 10, first collets 5 are coated in the first annular portion 31, the first terminal The edge of group 21, which buries, takes shape in first collets 5.The upper end of the rear end face of first collets 5 is recessed forward to form one first Stop block 51, the front end of first stop block 51 are provided with one first guiding face 52.The both sides of first collets 5 are convexly equipped with Two the first projections 53.Each corner of first collets 5 is designed with one first inclined-plane 54.
Such as Fig. 3 and Fig. 8, during assembling, first the first end subgroup 21 edge is buried and taken shape in first collets 5, then First collets 5 that fixing has first end subgroup 21 are loaded in first shielding case 3 from back to front, described first leads Draw face 52 and guide first shell fragment 34 and be moved rearwards, while the first stop block 51 first shell fragment 34 described in block backward so that First collets 5 are firm to be immobilizated in first shielding case 3.Meanwhile first projection 53 inserts described first In breach 36, first breach 36, first projection 53 described in block backward so that first collets 5 can not cross insertion institute State the first shielding case 3.First inclined-plane 54 guides first collets 5 to be assembled into first shielding case 3.Again by institute State the first shielding case 3 to insert from back to front in first slot 17, first kink 33 is held on first clamping In groove 171 so that the first shielding case 3 is stable in the base portion 11.
The first end subgroup 21 includes multiple first ground terminals 211, second shell fragment 35 and the described first ground connection Terminal 211 abuts, and the weld part 27 of first grounding leg 37 and first ground terminal 211 is welded in the circuit board 8 Same solder joint（It is not shown）On.
As shown in Figure 6 and Figure 7, the secondary shielding shell 4 include annular one second ring part 41, from described second annular Portion 41 extends forward second portion 42 of the tabular of formation and the lateral edges from second portion 42 to be turned under folding extension outside again One second kink 43 that bending extension is formed.Second slot 18 of the insertion of second ring part 41 positioned at the base portion 11 Interior, second portion 42 is shielded in the top surface of the base portion 11, i.e., described second portion 42 is shielded in the Second terminal group The top of 22 contact site 25.Second kink 43 is held in second holding tank 181.
The bottom surface of second ring part 41 is provided with the 3rd shell fragment 44, and the top surface of second ring part 41 is provided with three Individual 4th shell fragment 45.The end edge both sides of second ring part 41 are recessed forward to form two the second breach 46.Described second The end edge of the bottom surface of ring part 41 extends rearwardly to form multiple second grounding legs 47.
Second collets 6 are coated in second ring part 41, and the edge of Second terminal group 22, which buries, takes shape in institute State the second collets 6.The lower end of the rear end face of second collets 6 one second stop block 61 of recessed formation forward, described the The front end of two stop blocks 61 is provided with one second guiding face 62.The both sides of second collets 6 are convexly equipped with two the second projections 63. Each corner of second collets 6 is provided with one second inclined-plane 64.
Such as Fig. 3 and Fig. 6, during assembling, first the Second terminal group 22 edge is buried and taken shape in second collets 6, then Second collets 6 that fixing has Second terminal group 22 are loaded in the secondary shielding shell 4 from back to front, described second leads Draw face 62 and guide the 3rd shell fragment 44 and be moved rearwards, while the second stop block 61 the 3rd shell fragment 44 described in block backward so that Second collets 6 are firm to be immobilizated in the secondary shielding shell 4.Meanwhile second projection 63 inserts described second In breach 46, second breach 46, second projection 63 described in block backward so that second collets 6 can not cross insertion institute State secondary shielding shell 4.Second inclined-plane 64 guides second collets 6 to be assembled into the secondary shielding shell 4.Again by Two shielding cases 4 insert in second slot 18 from back to front, and second kink 43 is held on second holding tank 181 In so that secondary shielding shell 4 is stable in the base portion 11.
The Second terminal group 22 includes three the second ground terminals 221, the 4th shell fragment 45 and the described second ground connection Terminal 221 abuts, and the weld part 27 of second grounding leg 47 and second ground terminal 221 is welded in the circuit board 8 Same solder joint（It is not shown）On.
First shielding case 3 is located at the lower section of the secondary shielding shell 4, and the secondary shielding shell 4 is in the vertical direction Projection overlapped with part first shielding case 3.
As is illustrated by figs. 11 and 12, it is the second embodiment of the present invention, the first side wall 131 contains terminal 2, described There is no accepting terminals 2, the substantially same first embodiment of other structures in groove 133.
In summary, the invention has the advantages that：
1. first shielding case 3 is embedded at the first side wall 131, the first end subgroup 21 is located at the first side wall In 131 accepting groove 134, the first annular portion 31 that first shielding case 3 has annular coats the first end subgroup 21, institute Stating interference signal caused by first end subgroup 21 can be excluded in time, ensure that the high-frequency signal of electric connector 100 Stable transmission.
2. first shielding case 3 abuts provided with multiple second shell fragments 35 with first ground terminal 211, meanwhile, institute State the first shielding case 3 and be extended with multiple first grounding legs 37 and be welded in the same of circuit board 8 with first ground terminal 211 Solder joint（It is not shown）On, first shielding case 3 is had an a plurality of earth-return circuit, the shield effectiveness of first shielding case 3 is more preferable.
3. the weld part 27 of the first end subgroup 21 is welded in the solder joint of the lower row of the circuit board 8（It is not shown）On, The weld part 27 of the Second terminal group 22, third terminal group 23 and forth terminal group 24 is welded in the upper row of the circuit board 8 Solder joint（It is not shown）On, arrangement space can be saved, shortens the length of the circuit board 8.
4. the first end subgroup 21 is first inlayed to bury and taken shape in first collets 5, then is assembled into from back to front described In first shielding case 3.First shell fragment 34 coordinates with first stop block 51, and first guiding face 52 guides described One shell fragment 34 slides backward, and final the first collets 5 for causing fixing to have first end subgroup 21 stabilization is immobilizated in described first In shielding case 3.
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 (24)

  1. A kind of 1. electric connector, it is characterised in that including：
    One insulating body, there is a base portion and be arranged with backward from a docking part that the base portion extends forward, the docking section One docking groove, the both sides of the docking groove have the first side wall being oppositely arranged and a second sidewall；
    Multiple terminals, including a first end subgroup and a Second terminal group, the first end subgroup are contained in the first side wall, The Second terminal group is contained in the second sidewall, and the first end subgroup includes at least two the first terminals, and described second Terminal group includes at least two Second terminals；
    One first shielding case, is embedded at the first side wall, and first shielding case has a first annular portion, first ring Shape portion coats the periphery of at least two the first terminals；
    One secondary shielding shell, is embedded at the second sidewall, and the secondary shielding shell has one second ring part, second ring Shape portion coats the periphery of at least two Second terminals.
  2. 2. electric connector as claimed in claim 1, it is characterised in that：Multiple terminals include a third terminal group, described The first side wall has a groove, and the Second terminal group and the third terminal group are contained in the both sides of the groove, institute respectively State the side that secondary shielding shell is embedded at the groove.
  3. A kind of 3. electric connector, it is characterised in that including：
    One insulating body, there is a base portion and be arranged with backward from a docking part that the base portion extends forward, the docking section One docking groove, the both sides of the docking groove have the first side wall being oppositely arranged and a second sidewall, the second sidewall tool There is a groove；
    Multiple terminals, including a first end subgroup, a Second terminal group, a third terminal group and a forth terminal group, described One terminal group is contained in the first side wall, and the Second terminal group and the third terminal group are contained in the groove respectively Both sides, the forth terminal group are contained in the groove；
    One first shielding case, the first side wall is embedded at, first shielding case has a first annular portion of ring-type, described First annular portion is coated on the periphery of the first end subgroup.
  4. 4. electric connector as claimed in claim 3, it is characterised in that：The rear end of the base portion is recessed forward to form one first Slot, first slot are extended in the second sidewall, and first shielding case is inserted in first slot.
  5. 5. electric connector as claimed in claim 4, it is characterised in that：Institute of the first annular portion's insertion positioned at the base portion State in the first slot.
  6. 6. electric connector as claimed in claim 5, it is characterised in that：First shielding case has one first of tabular Portion, first portion extend forward to be formed from the first annular portion, and first portion is shielded in the following table of the base portion Face.
  7. 7. electric connector as claimed in claim 6, it is characterised in that：The left and right sides edge in first portion is first bent up Outward bending extends to form one first kink again for folding extension, and the both sides of first slot have one first narrower clamping Groove, first kink are inserted in first holding tank.
  8. 8. electric connector as claimed in claim 3, it is characterised in that：One first insulation is coated with the first annular portion Block, the first end subgroup are immobilizated in first collets.
  9. 9. electric connector as claimed in claim 8, it is characterised in that：The first annular portion is provided with least one first shell fragment, First collets are provided with one first stop block, first stop block the first shell fragment described in block backward.
  10. 10. electric connector as claimed in claim 9, it is characterised in that：First stop block is led provided with inclined 1 first Draw face.
  11. 11. electric connector as claimed in claim 8, it is characterised in that：The end edge in the first annular portion recessed shape forward Into one first breach, first collets protrude out one first projection, and first projection is inserted in first breach, described First breach the first projection described in block backward.
  12. 12. electric connector as claimed in claim 3, it is characterised in that：The first annular portion is provided with least one second shell fragment, The first end subgroup includes at least one first ground terminal, and second shell fragment is connected to first ground terminal.
  13. 13. electric connector as claimed in claim 12, it is characterised in that：The first annular portion extends rearwardly to form at least one First grounding leg, first grounding leg and first ground terminal are being welded in the same solder joint on a circuit board On.
  14. 14. electric connector as claimed in claim 3, it is characterised in that：The second sidewall is embedded with a secondary shielding shell, institute Secondary shielding shell is stated to be coated on outside the Second terminal group and positioned at the side of the groove.
  15. 15. electric connector as claimed in claim 14, it is characterised in that：The secondary shielding shell has one second ring of ring-type Shape portion and extend one second portion for forming tabular forward by second ring part.
  16. 16. electric connector as claimed in claim 15, it is characterised in that：The rear end of the base portion is recessed forward to form one the Two slots, second slot are extended in the second sidewall, positioned at the base portion described in the second annulus insertion In second slot, second portion is shielded in the top surface of the pedestal.
  17. 17. electric connector as claimed in claim 16, it is characterised in that：The lateral edges in second portion first prolong downwards by bending Stretch outward bending again to extend to form one second kink, the side of second slot has one second narrower holding tank, institute The second kink is stated to insert in second holding tank.
  18. 18. electric connector as claimed in claim 15, it is characterised in that：One second insulation is coated with second ring part Block, the Second terminal group are immobilizated in second collets.
  19. 19. electric connector as claimed in claim 18, it is characterised in that：Second ring part is provided with least one the 3rd bullet Piece, second collets are provided with one second stop block, second stop block the 3rd shell fragment described in block backward.
  20. 20. electric connector as claimed in claim 19, it is characterised in that：Second stop block is led provided with inclined 1 second Draw face.
  21. 21. electric connector as claimed in claim 18, it is characterised in that：The end edge of second ring part recessed shape forward Into one second breach, second collets protrude out one second projection, and second projection is inserted in second breach, described Second breach the second projection described in block backward.
  22. 22. electric connector as claimed in claim 15, it is characterised in that：Second ring part is provided with least one the 4th bullet Piece, the Second terminal group include at least one second ground terminal, and the 4th shell fragment is connected to second ground terminal.
  23. 23. electric connector as claimed in claim 22, it is characterised in that：Second ring part extends rearwardly to form at least one Second grounding leg, second grounding leg and second ground terminal are being welded in the same solder joint on the circuit board On.
  24. 24. electric connector as claimed in claim 14, it is characterised in that：First shielding case is located at the secondary shielding shell Lower section, the secondary shielding shell overlaps in the projection of above-below direction with part first shielding case.
CN201710535286.7A 2016-12-15 2017-07-04 Electric connector Active CN107394521B (en)

Applications Claiming Priority (2)

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US62/434,476 2016-12-15

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CN201710212299.0A Pending CN107134692A (en) 2016-12-15 2017-04-01 Electric connector
CN201710211939.6A Active CN107039850B (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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CN201710211939.6A Active CN107039850B (en) 2016-12-15 2017-04-01 Electric connector
CN201710462211.0A Pending CN107437675A (en) 2016-12-15 2017-06-19 Electric connector
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CN107394521B (en) 2019-06-18
CN107039850A (en) 2017-08-11
CN107134692A (en) 2017-09-05
CN107134691B (en) 2019-06-11
CN107453064B (en) 2019-12-27
CN107453064A (en) 2017-12-08
CN107134691A (en) 2017-09-05
CN107359450A (en) 2017-11-17
CN107039850B (en) 2019-04-26
CN107437675A (en) 2017-12-05

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