WO2022007014A1 - 一种多极基板电连接器 - Google Patents

一种多极基板电连接器 Download PDF

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Publication number
WO2022007014A1
WO2022007014A1 PCT/CN2020/104043 CN2020104043W WO2022007014A1 WO 2022007014 A1 WO2022007014 A1 WO 2022007014A1 CN 2020104043 W CN2020104043 W CN 2020104043W WO 2022007014 A1 WO2022007014 A1 WO 2022007014A1
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WIPO (PCT)
Prior art keywords
substrate
insulator
metal
electrical connector
fixed
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Ceased
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PCT/CN2020/104043
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English (en)
French (fr)
Inventor
詹大伟
刘泽南
陈勇利
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AAC Technologies Holdings Shenzhen Co Ltd
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AAC Acoustic Technologies Shenzhen Co Ltd
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Publication of WO2022007014A1 publication Critical patent/WO2022007014A1/zh
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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  
    • 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
    • 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

Definitions

  • the invention belongs to the technical field of electrical connectors, and particularly relates to a multi-pole substrate electrical connector.
  • the male seat is composed of an insulating body, at least two rows of multiple inner male seat terminals fixed on the insulating body, and a metal shell
  • the female seat is composed of an insulating body, at least two rows of multiple internal female seat terminals fixed on the insulating body, and a metal shell;
  • the purpose of the present invention is to provide a multi-pole substrate electrical connector, which can improve the isolation between the internal terminals, reduce the mutual interference between the terminals, and improve the transmission of signals.
  • a multi-pole substrate electrical connector for connecting a first substrate and a second substrate, the multi-pole substrate electrical connector comprising a male seat connected to the first substrate and a male seat connected to the first substrate
  • the second substrate is connected to a female socket for connecting with the male socket.
  • the male socket includes a first insulator, at least two rows of male socket terminals fixed on the first insulator, and a first insulator fixed on the first insulator.
  • the female base includes a second insulator, at least two rows of female terminals fixed on the second insulator for electrical connection with the male terminal, and a second metal fixed on the second insulator a shell, the first metal shell is grounded and connected to the first substrate, the first metal shell defines a bayonet located between the male socket terminals in adjacent rows, and the female socket further comprises a
  • the second insulator is a metal isolation plate located between the female socket terminals of adjacent columns, the metal isolation plate is grounded to the second substrate, and the metal isolation plate has a function for snapping with the bayonet the snap-in part.
  • the metal isolation plate includes a soldering pad electrically connected to the second substrate and a contact pad extending from a middle portion of the soldering pad away from the second substrate side in a direction away from the soldering pad, The engaging portion is located on a side of the contact piece away from the second substrate.
  • welding sheet and the contact sheet are integrally formed or separately provided.
  • connection groove the side of the second insulator away from the second substrate is recessed to form a connection groove
  • the groove bottom of the connection groove protrudes to form a connection block
  • the middle part of the contact piece is embedded in the connection block, so Both ends of the contact piece protrude from the side wall of the connecting block to form the clamping portion.
  • a recessed groove for accommodating the connection block is formed on the side of the first insulator away from the first substrate, and the first metal shell includes a recessed groove on the side of the first insulator away from the first insulator.
  • the second metal shell includes a second shell plate fixed on the second insulator and away from the second substrate, extending from the outer edge of the second shell plate along the outer wall of the second insulator to the side of the second insulator.
  • a grounding piece formed by bending and extending of the second base plate and a second clip extending from the inner edge of the second shell plate along the groove wall of the connecting slot into the connecting slot, the second clip extending into the connecting slot.
  • the first metal shell also includes a curved extension from the outer edge of the first shell plate along the outer wall of the first insulator toward the first substrate A third clamping leg is formed, and one side of the third clamping leg protrudes in a direction away from the first insulator to form a clamping protrusion for being clamped with the clamping slot.
  • the first metal shell further includes a limit pin formed by bending and extending from the outer edge of the first shell plate along the outer wall of the first insulator toward the first substrate, and the end of the limit pin is formed. The portion is bent and extended in a direction away from the first insulator.
  • the surface of the bayonet is plated with a gold layer.
  • the beneficial effect of the present invention is that: after connecting the male seat and the female seat, the male seat terminal and the female seat terminal are electrically connected in one-to-one correspondence;
  • the metal shell is grounded to the first substrate, the metal isolation plate is grounded to the second substrate, and the metal isolation plate is located between the female socket terminals of adjacent columns, that is, after the male socket and the female socket are connected, the metal isolation plate is located in the adjacent column.
  • the current formed by the coupling of the metal isolation plate during the signal transmission on both sides of the metal isolation plate can flow into the ground terminal of the first substrate, thereby improving the isolation between the terminals, reducing the mutual interference between the terminals, and improving the signal transmission.
  • FIG. 1 is a schematic diagram of the connection structure of a multi-pole substrate electrical connector, a first substrate, and a second substrate according to the present invention
  • FIG. 2 is a cross-sectional view of the connection structure of the multi-pole substrate electrical connector, the first substrate, and the second substrate of the present invention in the direction of A-A in FIG. 1;
  • FIG. 3 is a schematic diagram of a three-dimensional exploded structure of a multi-pole substrate electrical connector, a first substrate, and a second substrate of the present invention
  • FIG. 4 is a schematic diagram of a three-dimensional exploded structure of the multi-pole substrate electrical connector of the present invention.
  • FIG. 5 is a schematic three-dimensional structural diagram of a first insulator in the multi-pole substrate electrical connector of the present invention.
  • FIG. 6 is a schematic structural diagram of the matching of the metal isolation plate and the first metal shell of the multi-pole substrate electrical connector of the present invention.
  • a multi-pole substrate electrical connector is provided for connecting the first substrate 100 and the second substrate 200 .
  • the multi-pole substrate electrical connector includes a male seat 300 connected to the first substrate 100 and a socket 300 connected to the first substrate 100 .
  • the second substrate 200 is connected to the female socket 400 connected to the male socket 300 .
  • the male socket 300 includes a first insulator 310 , at least two rows of male socket terminals 320 fixed on the first insulator 310 , and a first insulator 310 fixed on the first insulator 310 .
  • the female base 400 includes a second insulator 410 , at least two rows of female terminals 420 fixed on the second insulator 410 for electrical connection with the male terminal 320 , and a second metal casing fixed on the second insulator 410 430, the first metal shell 330 is grounded to the first substrate 100, the first metal shell 330 defines a bayonet 3321 located between the male socket terminals 320 of adjacent rows, and the female socket 400 further includes a second insulator 410 fixed to the The metal isolation plates 440 between the female socket terminals 420 in adjacent columns are grounded and connected to the second substrate 200 , and the metal isolation plates 440 have a clamping portion 4421 for clamping with the bayonet 3321 .
  • the male socket terminals 320 and the female socket terminals 420 are electrically connected in a one-to-one correspondence, and the clamping portion 4421 of the metal isolation plate 440 is clamped with the bayonet 3321 of the first metal shell 330.
  • a metal shell 330 is grounded to the first substrate 100 , the metal isolation plate 440 is grounded to the second substrate 200 , and the metal isolation plate 440 is located between the female socket terminals 420 in adjacent columns, that is, the male socket 300 is connected to the female socket 400 After that, the metal isolation plate 440 is located between the male terminals 320 of adjacent columns, and the current formed by the coupling of the metal isolation plate 440 during the signal transmission on both sides of the metal isolation plate 440 can flow into the ground terminal of the first substrate 100, thereby improving the distance between the terminals. High isolation, reduce mutual interference between terminals, and improve signal transmission.
  • the metal isolation plate 440 includes a solder pad 441 that is electrically connected to the second substrate 200 and a contact pad 442 that extends from a middle portion of the solder pad 441 away from the second substrate 200 in a direction away from the solder pad 441 .
  • the welding piece 441 and the contact piece 442 are integrally formed.
  • the welding piece 441 and the contact piece 442 may be provided separately, and the welding piece 441 and the contact piece 442 may be formed by welding different metal materials.
  • Metal isolation plate 440 The metal isolation plate 440 is electrically connected to the ground terminal of the second substrate 200 through the welding piece 441 , and at the same time, the metal isolation plate 440 is fixed.
  • the side of the second insulator 410 away from the second substrate 200 is recessed to form a connecting groove 411 , the bottom of the connecting groove 411 protrudes to form a connecting block 412 , the middle of the contact piece 442 is embedded in the connecting block 412 , and both ends of the contact piece 442 protrude
  • a clamping portion 4421 is formed on the side wall of the connection block 412 ;
  • the side of the first insulator 310 away from the first substrate 100 is recessed to form a recessed groove 311 for accommodating the connection block 412
  • the first metal shell 330 includes a part fixed to the first insulator 310
  • the first shell plate 331 on the side away from the first substrate 100 and the first clip 332 extending from the side of the first shell plate 331 along the inner wall of the embedded groove 311 into the embedded groove 311, the bayonet 3321 is opened in the first Clip 332.
  • the connecting block 412 is embedded in the embedding groove 311, the side wall part enclosing the embedding groove 311 is embedded in the connecting groove 411, and the clamping part 4421 is clamped with the bayonet 3321 to realize the metal Electrical connection between the isolation plate 440 and the first metal shell 330 .
  • the surface of the bayonet 3321 is plated with a gold layer, so that the electrical connection between the metal isolation plate 440 and the first metal casing 330 is more stable and reliable.
  • the male terminal 320 and the female terminal 420 are arranged in two rows to realize the transmission of two groups of signals.
  • the male terminals 320 of each row are arranged at equal intervals, and the female terminals 420 of each row are equally spaced.
  • the male terminal 320 is fixed on the two opposite side walls of the socket 311
  • the female terminal 420 is arranged between the connecting block 412 and the side wall of the connecting groove 411
  • the male terminal 320 corresponds to the female terminal 420 one-to-one .
  • the male terminal 320 and the female terminal 420 may be provided with three columns, four columns, five columns, etc., which correspond to each other, so as to realize the transmission of more groups of signals.
  • the metal isolation plate 440 is provided with two Blocks, three blocks, four blocks, etc. to achieve isolation between adjacent groups of signals, two, three, four, etc. are provided for the connection block 412 and the embedded groove 311.
  • the aforementioned structures can be based on Set according to the actual situation, which is not limited here.
  • the second metal shell 430 includes a second shell plate fixed on the side of the second insulator 410 away from the second substrate 200 , and a ground formed by bending and extending from the outer edge of the second shell plate along the outer wall of the second insulator 410 toward the second substrate 200 .
  • the sheet 432 and the second clip 433 extend from the inner edge of the second shell plate along the groove wall of the connecting slot 411 to the connecting slot 411.
  • One side of 433 is recessed toward the groove wall of the connecting groove 411 to form a retaining groove 4331;
  • the first metal shell 330 also includes a first metal shell 330 which is formed by bending and extending from the outer edge of the first shell plate 331 along the outer wall of the first insulator 310 toward the first substrate 100.
  • clamping feet 333 There are three clamping feet 333 .
  • One side of the third clamping leg 333 protrudes in a direction away from the first insulator 310 to form a clamping protrusion 3331 for clamping with the clamping groove 4331 .
  • the locking protrusions 3331 of the third locking feet 333 are correspondingly embedded in the locking grooves 4331, so as to realize the stable connection between the first metal shell 330 and the second metal shell 430, so that the male seat 300
  • the connection with the female base 400 is not easy, the connection is more reliable, and the first metal shell 330 and the second metal shell 430 are also electrically connected, which can shield the signal and improve the quality of signal transmission.
  • the first metal shell 330 further includes a limiting pin 334 formed by bending and extending from the outer edge of the first shell plate 331 along the outer wall of the first insulator 310 toward the first substrate 100 , and the end of the limiting pin 334 faces away from the first insulator 310 bending in the direction of extension.
  • the limiting feet 334 can abut on the second insulator 410, so as to realize the limit of the male seat 300, so that the matching between the male seat 300 and the female seat 400 is more accurate, and can avoid Excessive force when connecting makes the male seat 300 and the female seat 400 squeeze each other and deform, which is safer and more reliable.

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

Abstract

一种多极基板电连接器，包括与第一基板（100）相连的公座（300）和与第二基板（200）相连以用于与公座（300）相连的母座（400），公座（300）包括第一绝缘体（310）、固定于第一绝缘体（310）的至少两列公座端子（320）及固定于第一绝缘体（310）的第一金属外壳（330），母座（400）包括第二绝缘体（410）、固定于第二绝缘体（410）的至少两列母座端子（420）及固定于第二绝缘体（410）的第二金属外壳（430），第一金属外壳（330）与第一基板（100）接地连接，第一金属外壳（330）开设卡口（3321），母座（400）还包括固定于第二绝缘体（410）且位于相邻列的母座端子（420）之间的金属隔离板（440），金属隔离板（440）与第二基板（200）接地连接，金属隔离板（440）具有用于与卡口（3321）卡接的卡接部（4421）。金属隔离板（440）两侧的信号传输时在金属隔离板（440）耦合形成的电流可以流入第一基板（100）的接地端，从而提高端子间的隔离度，改善信号的传输。

Description

一种多极基板电连接器 技术领域
本发明属于电连接器技术领域，尤其涉及一种多极基板电连接器。
 背景技术
常规的基板间高密度、小端子间距、低体高、多列、多极基板连接器对通常由公座和母座配合组成。公座由绝缘本体、固定于绝缘本体的至少两列多个内部公座端子和金属外壳组成;母座由绝缘本体、固定于绝缘本体的至少两列多个内部母座端子和金属外壳组成；公座与母座之间配合时，公座端子和母座端子接触实现电连接，金属外壳之间互相接触实现一定的屏蔽作用。随着5G时代的发展，基板间电连接器的使用越来越普遍，相应的基板电连接器体积变得越来越小，但随之而来的是当电连接器传输多路射频信号时，由于内部端子之间隔离度不高，内部端子之间会产生相互干扰，影响信号的传输效果。
 技术问题
本发明的目的在于提供一种多极基板电连接器，能够提高内部端子间的隔离度，减少端子之间的相互干扰，改善信号的传输。
 技术解决方案
本发明的技术方案如下：一种多极基板电连接器，用于连接第一基板和第二基板，所述多极基板电连接器包括与所述第一基板相连的公座和与所述第二基板相连以用于与所述公座相连的母座，所述公座包括第一绝缘体、固定于所述第一绝缘体的至少两列公座端子及固定于所述第一绝缘体的第一金属外壳，所述母座包括第二绝缘体、固定于所述第二绝缘体以用于与所述公座端子电连接的至少两列母座端子及固定于所述第二绝缘体的第二金属外壳，所述第一金属外壳与所述第一基板接地连接，所述第一金属外壳开设位于相邻列的所述公座端子之间的卡口，所述母座还包括固定于所述第二绝缘体且位于相邻列的所述母座端子之间的金属隔离板，所述金属隔离板与所述第二基板接地连接，所述金属隔离板具有用于与所述卡口卡接的卡接部。
进一步地，所述金属隔离板包括与所述第二基板电连接的焊接片及自所述焊接片的远离所述第二基板侧的中部朝远离所述焊接片的方向延伸形成的接触片，所述卡接部位于所述接触片的远离所述第二基板侧。
进一步地，所述焊接片和所述接触片一体成型或者分体设置。
进一步地，所述第二绝缘体的远离所述第二基板侧凹陷形成连接槽，所述连接槽的槽底凸出形成连接块，所述接触片的中部嵌设于所述连接块内，所述接触片的两端突出于所述连接块的侧壁形成所述卡接部。
进一步地，所述第一绝缘体的远离所述第一基板侧凹陷形成用于容置所述连接块的嵌槽，所述第一金属外壳包括固定于所述第一绝缘体的远离所述第一基板侧的第一壳板及自所述第一壳板的一侧沿着所述嵌槽内壁弯曲延伸至所述嵌槽内的第一卡脚，所述卡口开设于所述第一卡脚。
进一步地，所述第二金属外壳包括固定于所述第二绝缘体的远离所述第二基板侧的第二壳板、自所述第二壳板的外边缘沿所述第二绝缘体的外壁向所述第二基板弯曲延伸形成的接地片及自所述第二壳板的内边缘沿所述连接槽的槽壁弯曲延伸至所述连接槽内的第二卡脚，所述第二卡脚的一侧朝所述连接槽的槽壁凹陷形成卡槽；所述第一金属外壳还包括自所述第一壳板的外边缘沿所述第一绝缘体的外壁朝所述第一基板弯曲延伸形成的第三卡脚，所述第三卡脚的一侧朝远离所述第一绝缘体的方向凸出形成用于与所述卡槽卡接的卡凸。
进一步地，所述第一金属外壳还包括自所述第一壳板的外边缘沿所述第一绝缘体的外壁朝所述第一基板弯曲延伸形成的限位脚，所述限位脚的端部朝远离所述第一绝缘体的方向弯曲延伸。
进一步地，所述卡口的表面镀覆金层。
 有益效果
本发明的有益效果在于：将公座和母座相连之后，公座端子与母座端子一一对应电连接，金属隔离板的卡接部与第一金属外壳的卡口卡接，由于第一金属外壳与第一基板接地连接，金属隔离板与第二基板接地连接，且金属隔离板位于相邻列的母座端子之间，即公座和母座相连之后金属隔离板位于相邻列的公座端子之间，金属隔离板两侧的信号传输时在金属隔离板耦合形成的电流可以流入第一基板的接地端，从而提高端子间的隔离度，减少端子之间的相互干扰，改善信号的传输。
 附图说明
图1为本发明多极基板电连接器、第一基板、第二基板的连接结构示意图；
图2为本发明多极基板电连接器、第一基板、第二基板的连接结构在图1中A-A方向的剖视图；
图3为本发明多极基板电连接器、第一基板、第二基板的立体分解结构示意图；
图4为本发明多极基板电连接器的立体分解结构示意图；
图5为本发明多极基板电连接器中第一绝缘体的立体结构示意图；
图6为本发明多极基板电连接器的金属隔离板和第一金属外壳相配合的结构示意图。
 本发明的实施方式
下面结合附图和实施方式对本发明作进一步说明。
如图1-5所示，提供一种多极基板电连接器，用于连接第一基板100和第二基板200，多极基板电连接器包括与第一基板100相连的公座300和与第二基板200相连以用于与公座300相连的母座400，公座300包括第一绝缘体310、固定于第一绝缘体310的至少两列公座端子320及固定于第一绝缘体310的第一金属外壳330，母座400包括第二绝缘体410、固定于第二绝缘体410以用于与公座端子320电连接的至少两列母座端子420及固定于第二绝缘体410的第二金属外壳430，第一金属外壳330与第一基板100接地连接，第一金属外壳330开设位于相邻列的公座端子320之间的卡口3321，母座400还包括固定于第二绝缘体410且位于相邻列的母座端子420之间的金属隔离板440，金属隔离板440与第二基板200接地连接，金属隔离板440具有用于与卡口3321卡接的卡接部4421。
将公座300和母座400相连之后，公座端子320与母座端子420一一对应电连接，金属隔离板440的卡接部4421与第一金属外壳330的卡口3321卡接，由于第一金属外壳330与第一基板100接地连接，金属隔离板440与第二基板200接地连接，且金属隔离板440位于相邻列的母座端子420之间，即公座300和母座400相连之后金属隔离板440位于相邻列的公座端子320之间，金属隔离板440两侧的信号传输时在金属隔离板440耦合形成的电流可以流入第一基板100的接地端，从而提高端子间的隔离度，减少端子之间的相互干扰，改善信号的传输。
金属隔离板440包括与第二基板200电连接的焊接片441及自焊接片441的远离第二基板200侧的中部朝远离焊接片441的方向延伸形成的接触片442，卡接部4421位于接触片442的远离第二基板200侧。在本实施例中，焊接片441和接触片442一体成型，在一些实施例中，焊接片441和接触片442可以分体设置，焊接片441和接触片442可以采用不同的金属材料并焊接形成金属隔离板440。金属隔离板440通过焊接片441与第二基板200的接地端电连接，同时实现金属隔离板440的固定。
第二绝缘体410的远离第二基板200侧凹陷形成连接槽411，连接槽411的槽底凸出形成连接块412，接触片442的中部嵌设于连接块412内，接触片442的两端突出于连接块412的侧壁形成卡接部4421；第一绝缘体310的远离第一基板100侧凹陷形成用于容置连接块412的嵌槽311，第一金属外壳330包括固定于第一绝缘体310的远离第一基板100侧的第一壳板331及自第一壳板331的一侧沿着嵌槽311内壁弯曲延伸至嵌槽311内的第一卡脚332，卡口3321开设于第一卡脚332。公座300和母座400相连时，连接块412嵌入到嵌槽311内，围合成嵌槽311的侧壁部分嵌入到连接槽411内，并且卡接部4421与卡口3321卡接从而实现金属隔离板440和第一金属外壳330的电连接。本实施例中卡口3321的表面镀覆金层，使得金属隔离板440与第一金属外壳330的电连接更加稳定可靠。
在本实施例中，公座端子320和母座端子420均设置两列，以实现两组信号的传输，各列的公座端子320等距间隔排列，各列的母座端子420等距间隔排列，公座端子320固定于嵌槽311相对的两个侧壁上，母座端子420设置于连接块412和连接槽411的侧壁之间，公座端子320与母座端子420一一对应。在一些实施例中，公座端子320和母座端子420可以分别设置一一对应的三列、四列、五列等，以实现更多组信号的传输，对应的，金属隔离板440设置两块、三块、四块等以实现相邻组的信号之间的隔离，连接块412和嵌槽311均设置两个、三个、四个等，在实际情况中，前述的各结构可以根据实际情况进行设置，在此并不作限制。
第二金属外壳430包括固定于第二绝缘体410的远离第二基板200侧的第二壳板、自第二壳板的外边缘沿第二绝缘体410的外壁向第二基板200弯曲延伸形成的接地片432及自第二壳板的内边缘沿连接槽411的槽壁弯曲延伸至连接槽411内的第二卡脚433，接地片432与第二基板200的接地端焊接相连，第二卡脚433的一侧朝连接槽411的槽壁凹陷形成卡槽4331；第一金属外壳330还包括自第一壳板331的外边缘沿第一绝缘体310的外壁朝第一基板100弯曲延伸形成的第三卡脚333，第三卡脚333的一侧朝远离第一绝缘体310的方向凸出形成用于与卡槽4331卡接的卡凸3331。公座300和母座400相连时，第三卡脚333的卡凸3331对应地卡嵌在卡槽4331内，从而实现第一金属外壳330和第二金属外壳430的稳定连接，使得公座300和母座400不易松脱，连接更加牢靠，并且，第一金属外壳330和第二金属外壳430之间也实现了电连接，可以实现对信号的屏蔽作用，提高信号传输的质量。
第一金属外壳330还包括自第一壳板331的外边缘沿第一绝缘体310的外壁朝第一基板100弯曲延伸形成的限位脚334，限位脚334的端部朝远离第一绝缘体310的方向弯曲延伸。公座300和母座400相连时，限位脚334可以抵顶在第二绝缘体410上，从而实现对公座300的限位，使得公座300和母座400的配合更加精准，且可以避免连接时用力过度使公座300和母座400相互挤压而变形，更加安全可靠。
以上所述的仅是本发明的实施方式，在此应当指出，对于本领域的普通技术人员来说，在不脱离本发明创造构思的前提下，还可以做出改进，但这些均属于本发明的保护范围。

Claims (8)

  1. 一种多极基板电连接器，用于连接第一基板和第二基板，所述多极基板电连接器包括与所述第一基板相连的公座和与所述第二基板相连以用于与所述公座相连的母座，所述公座包括第一绝缘体、固定于所述第一绝缘体的至少两列公座端子及固定于所述第一绝缘体的第一金属外壳，所述母座包括第二绝缘体、固定于所述第二绝缘体以用于与所述公座端子电连接的至少两列母座端子及固定于所述第二绝缘体的第二金属外壳，其特征在于，所述第一金属外壳与所述第一基板接地连接，所述第一金属外壳开设位于相邻列的所述公座端子之间的卡口，所述母座还包括固定于所述第二绝缘体且位于相邻列的所述母座端子之间的金属隔离板，所述金属隔离板与所述第二基板接地连接，所述金属隔离板具有用于与所述卡口卡接的卡接部。
  2. 根据权利要求1所述的多极基板电连接器，其特征在于，所述金属隔离板包括与所述第二基板电连接的焊接片及自所述焊接片的远离所述第二基板侧的中部朝远离所述焊接片的方向延伸形成的接触片，所述卡接部位于所述接触片的远离所述第二基板侧。
  3. 根据权利要求2所述的多极基板电连接器，其特征在于，所述焊接片和所述接触片一体成型或者分体设置。
  4. 根据权利要求2所述的多极基板电连接器，其特征在于，所述第二绝缘体的远离所述第二基板侧凹陷形成连接槽，所述连接槽的槽底凸出形成连接块，所述接触片的中部嵌设于所述连接块内，所述接触片的两端突出于所述连接块的侧壁形成所述卡接部。
  5. 根据权利要求4所述的多极基板电连接器，其特征在于，所述第一绝缘体的远离所述第一基板侧凹陷形成用于容置所述连接块的嵌槽，所述第一金属外壳包括固定于所述第一绝缘体的远离所述第一基板侧的第一壳板及自所述第一壳板的一侧沿着所述嵌槽内壁弯曲延伸至所述嵌槽内的第一卡脚，所述卡口开设于所述第一卡脚。
  6. 根据权利要求5所述的多极基板电连接器，其特征在于，所述第二金属外壳包括固定于所述第二绝缘体的远离所述第二基板侧的第二壳板、自所述第二壳板的外边缘沿所述第二绝缘体的外壁向所述第二基板弯曲延伸形成的接地片及自所述第二壳板的内边缘沿所述连接槽的槽壁弯曲延伸至所述连接槽内的第二卡脚，所述第二卡脚的一侧朝所述连接槽的槽壁凹陷形成卡槽；
    所述第一金属外壳还包括自所述第一壳板的外边缘沿所述第一绝缘体的外壁朝所述第一基板弯曲延伸形成的第三卡脚，所述第三卡脚的一侧朝远离所述第一绝缘体的方向凸出形成用于与所述卡槽卡接的卡凸。
  7. 根据权利要求5所述的多极基板电连接器，其特征在于，所述第一金属外壳还包括自所述第一壳板的外边缘沿所述第一绝缘体的外壁朝所述第一基板弯曲延伸形成的限位脚，所述限位脚的端部朝远离所述第一绝缘体的方向弯曲延伸。
  8. 根据权利要求1所述的多极基板电连接器，其特征在于，所述卡口的表面镀覆金层。
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