CN102044762B - 线缆连接器及其制造方法 - Google Patents

线缆连接器及其制造方法 Download PDF

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CN102044762B
CN102044762B CN200910308221A CN200910308221A CN102044762B CN 102044762 B CN102044762 B CN 102044762B CN 200910308221 A CN200910308221 A CN 200910308221A CN 200910308221 A CN200910308221 A CN 200910308221A CN 102044762 B CN102044762 B CN 102044762B
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cable
wire
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insulation
cable connector
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CN102044762A (zh
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吴荣发
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Foxconn Kunshan Computer Connector Co Ltd
Hon Hai Precision Industry Co Ltd
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Hon Hai Precision Industry Co Ltd
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66Structural association with built-in electrical component
    • H01R13/665Structural association with built-in electrical component with built-in electronic circuit
    • H01R13/6658Structural association with built-in electrical component with built-in electronic circuit on printed circuit board
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6591Specific features or arrangements of connection of shield to conductive members
    • H01R13/65912Specific features or arrangements of connection of shield to conductive members for shielded multiconductor cable
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6591Specific features or arrangements of connection of shield to conductive members
    • H01R13/6592Specific features or arrangements of connection of shield to conductive members the conductive member being a shielded cable
    • H01R13/6593Specific features or arrangements of connection of shield to conductive members the conductive member being a shielded cable the shield being composed of different pieces
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/627Snap or like fastening
    • H01R13/6275Latching arms not integral with the housing
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/633Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only
    • H01R13/6335Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only comprising a handle
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6591Specific features or arrangements of connection of shield to conductive members
    • H01R13/6594Specific features or arrangements of connection of shield to conductive members the shield being mounted on a PCB and connected to conductive members
    • H01R13/6595Specific features or arrangements of connection of shield to conductive members the shield being mounted on a PCB and connected to conductive members with separate members fixing the shield to the PCB
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6598Shield material
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49002Electrical device making
    • Y10T29/49117Conductor or circuit manufacturing
    • Y10T29/49174Assembling terminal to elongated conductor
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49002Electrical device making
    • Y10T29/49117Conductor or circuit manufacturing
    • Y10T29/49174Assembling terminal to elongated conductor
    • Y10T29/49179Assembling terminal to elongated conductor by metal fusion bonding

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Abstract

一种线缆连接器(1000),其包括其包括金属壳体(100),收容于壳体内的两块电路板(31,32),线缆组件(4);所述线缆组件包括线缆(41)、外屏蔽层(42)及热缩管(43);所述线缆包括芯线(411),包裹在芯线外面的内屏蔽层(412),置于内屏蔽层外面的金属编织层(413)以及包覆于金属编织层外面的绝缘外被(414);所述线缆前部设有可将金属编织层与绝缘外被沿线缆轴向被切断的切口(4141),所述芯线被分成两组并分别焊接到两块电路板上;所述外屏蔽层组装于邻近切口的绝缘外被上面,并将切口包覆于其内;所述热缩管套在外屏蔽层外面。

Description

线缆连接器及其制造方法
【技术领域】
本发明涉及一种线缆连接器及其制造方法,尤其涉及一种可传输高频信号的线缆连接器及其制造方法。
【背景技术】
美国专利公告第US 7,354,292号揭示了一种用于传输高频信号的线缆连接器,该线缆连接器包括一对由上、下壳体组成的本体,收容于本体内的电路板以及焊接至电路板后端的线缆。所述电路板前端延伸入本体的前部而形成对接部。上、下壳体的后壁上设有供线缆插入其内的开口。上、下壳体组装在一起,将相应部分线缆夹持于开口内,防止线缆因受到向后拉拔而破坏其与电路板之间的连接,影响线缆连接器的信号传输的可靠性。
随着信号传输速率的增加,具有单一电路板的线缆连接器已经不能满足信号传输的要求;配备有两块电路板的线缆连接器逐渐被采用,两块电路板以堆叠方式布置,且每一电路板与相应的一条线缆内的若干芯线焊接在一起。
然而,线缆数量的增加,会导致线缆连接器尺寸变大,这不符合线缆连接器向小型化发展的趋势。
因此,有必要对现有的线缆连接器进行改造以克服上述缺陷。
【发明内容】
本发明的目的在于提供一种具有较小体积用于传输高频信号的线缆连接器及其制造方法。
为实现上述目的,本发明线缆连接器采用如下技术方案:一种线缆连接器,其包括金属壳体,收容于壳体内的两块电路板,线缆组件;所述线缆组件包括线缆、外屏蔽层及热缩管;所述线缆包括芯线,包裹在芯线外面的内屏蔽层,置于内屏蔽层外面的金属编织层以及包覆于金属编织层外面的绝缘外被;所述线缆前部设有可将金属编织层与绝缘外被沿线缆轴向被切断的切口,所述芯线被分成两组并分别焊接到两块电路板上;所述外屏蔽层组装于邻近切口的绝缘外被上面,并将切口包覆于其内;所述热缩管套在外屏蔽层外面。
本发明线缆连接器的制造方法采用如下技术方案:
提供壳体步骤;
提供两块电路板步骤;
提供线缆组件步骤,该线缆组件包括线缆、外屏蔽层及热缩管;所述线缆包括芯线,包裹在芯线外面的内屏蔽层,置于屏蔽层外面的金属编织层以及包覆于金属编织层外面的绝缘外被;
将线缆前端的绝缘外被、金属编织层、内屏蔽层剥除,使内部的芯线暴露在外面;
将暴露在外面的芯线后方的绝缘外被及金属编织层沿轴向切开而形成一段切口,并将位于该切口两侧的一段绝缘外被及金属编织层向后翻折后置于后方的绝缘外被上面,从而使其内部的芯线暴露出来;
将暴露在外面的芯线分开成第一组芯线、第二组芯线,并将第一组芯线的末端及第二组芯线相对线缆的轴向分别向外弯折;
将第一组芯线及第二组芯线分别焊接至所述两块电路板上;
将两块电路板沿上下方向布置,从而使第一组芯线与第二组芯线成一组结构,并将切口两侧的一段绝缘外被及金属编织层向前翻折后遮覆于芯线上面;
将外屏蔽层组装于邻近切口的绝缘外被上面,从而将切口包覆于其内;
将热缩管组装于外屏蔽层外面;
将电路板组装到壳体内。
与现有技术相比,本发明线缆连接器具有如下有益效果:采用一条线缆焊接到两块电路板上,可减小线缆的数量及线缆连接器体积;具有金属壳体及屏蔽层结构,可较好的抑制电磁干扰。
【附图说明】
图1为本发明线缆连接器的立体分解图。
图2为图1另一角度的视图。
图3为线缆连接器的部分组合图。
图4为线缆连接器的立体组合图。
图5为图4沿A-A方向的剖面图。
图6为图4沿B-B方向的剖面图。
图7A-7H为线缆连接器中线缆组件制造过程示意图。
【具体实施方式】
请参阅图1至图6所示,本发明线缆连接器1000包括壳体100,收容于壳体内的电路板3,连接至电路板3后部的线缆组件4,组装至线缆组件4前端内部的加强元件5以及箍件6,安装在壳体100上面的锁扣机构7、遮蔽锁扣机构7的上盖8以及螺丝9。
壳体100包括可组装在一起的第一壳体1及第二壳体2。第一壳体1、第二壳体2由金属材料制成。
第一壳体1包括基部11及自基部11向前延伸的对接部12。基部11包括上壁111,自上壁111两侧缘分别向下延伸的一对侧壁112,自上壁111后缘向下延伸的后壁113。上壁111、侧壁112以及后壁113共同围成第一收容腔110。后壁113中部设有定位槽1131以及位于该定位槽1131前、后方的开口1132。定位槽1131与开口1132相连通。对接部12包括上壁121,自上壁121两侧缘分别向下延伸的一对侧壁122。上壁121、侧壁122共同围成第二收容腔120。第一收容腔110与第二收容腔120相连通。第一收容腔110较第二收容腔120要大些。此外,上壁121的内表面上形成有若干定位柱1211。上壁111上表面前方设有凹槽1111,而上表面的后方设有滑槽1113,滑槽1113与凹槽1111相连通。一对狭槽1112设置在邻近凹槽1111后部两侧的上表面上,该对狭槽1112与凹槽1111相连通。一对凹陷部1114形成于邻近滑槽1113前部两侧的上表面上,该对凹陷部1114与滑槽1113相连通。
第二壳体2包括基部21及自基部21向前延伸的对接部22。基部21包括下壁211,自下壁211两侧缘向上延伸的一对凸缘212,自上壁211后缘向上延伸的后壁213。后壁213中部设有定位槽2131以及位于该定位槽2131前、后方的开口2132。定位槽2131与开口2132相连通。对接部22包括下壁221,自下壁221侧缘向上延伸的一对凸缘222。此外,下壁221的内表面上形成有若干凸柱2211。
电路板3包括第一电路板31、第二电路板32。第一电路板31的前部310设有若干第一导电片311,第二电路板32的前部320设有若干第二导电片321。第一电路板31、第二电路板32安装于第一壳体1的内部,第一电路板31、第二电路板32的后部312、322容置于第一收容腔,而其前部310、320延伸入第二收容腔120。
线缆组件4包括线缆41,包覆于线缆41前部的外屏蔽层42以及套在该外屏蔽层42上面的热缩管43。外屏蔽层42由导电材料制成,可提供屏蔽作用,防止信号传输受到外界电磁干扰。
线缆41包括若干芯线411,包裹在芯线411外面的内屏蔽层412,置于该内屏蔽层412外面的金属编织层413及包覆于金属编织层413外面的绝缘外被414。内屏蔽层412可以是铝箔或者由其他屏蔽材料制成。
请参阅图7A-7H,线缆组件4的制作方法如下:
如图7A所示,将线缆41前端的绝缘外被414、金属编织层413、内屏蔽层412等位于芯线411外部的遮蔽结构剥除,使内部的芯线411暴露在外面;
如图7A及7B所示,将暴露在外面的芯线411后方的绝缘外被414及金属编织层413沿轴向切开而形成一段切口4141,并将位于该切口4141两侧的一段绝缘外被414及金属编织层413向后翻折后置于后方的绝缘外被414上面,从而使其内部的芯线411暴露出来;
如图7C所示,将暴露在外面的芯线411分开成第一组芯线、第二组芯线,并将剥除绝缘皮的第一组芯线的末端4111及第二组芯线的剥除绝缘皮的末端4112相对线缆4的轴向分别向外弯折成90度;
如图7D所示,将第一组芯线的末端4111及第二组芯线的末端4112分别焊接至第一电路板31、第二电路板32的后部312、322的导电片上(未示出);
如图7E及7F所示,将第一电路板31、第二电路板32沿与线缆4轴向平行的方向布置,从而使第一组芯线与第二组芯线成一组结构,并将切口4141两侧的一段绝缘外被414及金属编织层413向前翻折后遮覆于芯线411上面;
如图7G所示,将外屏蔽层42组装于邻近切口4141的绝缘外被414上面,从而将切口4141包覆于其内;
如图7H所示,将热缩管43组装于外屏蔽层42外面。
此外,第一电路板31与第二电路板32之间布置一隔板10,从而使第一电路板31与第二电路板32沿上下方向彼此分开。在其他实施例中,第一线缆41、第二线缆42均焊接至第一电路板31、第二电路板32。此外,第一线缆41、第二线缆42也可只与一块电路板3电性连接。
加强元件5大致成管状,其可由金属材料或者其他材料制成。加强元件5组装于线缆41的内屏蔽层412外部、金属编织层413的内部。
箍件6由金属材料制成,其绑缚于线缆41的外部并围绕加强元件5。加强元件5用于保护线缆4内部的内屏蔽层412,防止因箍件6组装到线缆上面而产生较大的挤压力而使内屏蔽层412被损坏而影响线缆4的电气性能。金属编织层413被夹置在加强元件5与箍件6之间,箍件6置于第一壳体1、第二壳体2后壁113、213上的定位槽1131、2131内。当线缆4受到向后的拉力时,由于金属编织层413通过箍件6连接至壳体100,作用在线缆4上的拉力转移至本体100上面,从而防止线缆4与电路板3的连接被破坏。线缆4的金属编织层413、箍件6及壳体100之间可形成接地回路。此外,采取上述方法制造的线缆连接器1000,由于只有较少部分芯线411暴露在绝缘外皮414外面且被壳体100遮蔽,可有效地避免芯线411中传输的信号受到电磁干扰。
锁扣机构7包括卡扣元件71、触动元件72以及拉拔元件73。卡扣元件71包括大致成L形的主体部711,自主体部711后缘向下倾斜延伸的桥接部712以及与桥接部712后缘连接的固持部713。主体部711前缘的两侧分别形成一扣钩7111。固持部713位于竖直平面内。触动元件72包括主干部721,位于主干部721前端的触发部7211以及自主干部721前部两侧缘分别向外延伸的弹性部7212。拉拔元件73与触动元件72的主干部721后端连接。
触动元件72的主干部721容置于滑槽1113内并可沿前后方向运动,触发部7211置于凹槽1111内,弹性部7212分别置于凹陷部1114内。卡扣元件71的固持部713干涉收容于狭槽1112内,其桥接部712位于触发部7211的上方。卡扣元件71的主体部711置于对接部12上壁121的上方。
上盖8包括主体部81,自主体部81前缘向下延伸的突出部82以及设置于主体部81两侧的四个开孔83。上盖8安装于第一壳体1的基部11上面,用于遮蔽触动元件72、卡扣元件71的桥接部712及固持部713,从而防止触动元件72及卡扣元件71脱离第一壳体1。突出部82位于卡扣元件71主体部711的上方。一对螺丝9穿过上盖8的开孔83将第一壳体1、第二壳体2固定在一起。
当线缆连接器1000与配对连接器(未示出)插接时,卡扣元件71上的扣钩7111卡入配对连接器上面相应的扣孔内,而使线缆连接器1000与配对连接器可靠地结合在一起。当线缆连接器1000与配对连接器分离时,对拉拔元件73施加一拉力,使触动元件72沿滑槽1113向后运动,触发部7211沿卡扣元件71的桥接部712底面移动,并驱动卡扣元件71向上翻转,而使卡扣元件71与配对连接器相分离。弹性部7212用于提供一前后方向的驱动力,使触动元件72回到初始位置。盖体8上的突出部82可对卡扣元件71施加按压力,使其复位。

Claims (10)

1.一种线缆连接器,其包括:金属壳体,收容于壳体内的两块电路板,线缆组件;其特征在于:所述线缆组件包括线缆、外屏蔽层及热缩管;所述线缆包括芯线,包裹在芯线外面的内屏蔽层,置于内屏蔽层外面的金属编织层以及包覆于金属编织层外面的绝缘外被;所述线缆前部设有可将金属编织层与绝缘外被沿线缆轴向被切开的切口,所述芯线被分成两组并分别焊接到两块电路板上;所述外屏蔽层组装于邻近切口的绝缘外被上面,并将切口包覆于其内;所述热缩管套在外屏蔽层外面。
2.如权利要求1所述的线缆连接器,其特征在于:所述线缆连接器还包括加强元件,该加强元件组装至线缆前部内屏蔽层与金属编织层之间。
3.如权利要求2所述的线缆连接器,其特征在于:所述加强元件成管状,围绕在内屏蔽层外面。
4.如权利要求2所述的线缆连接器,其特征在于:所述加强元件由金属材料制成。
5.如权利要求2所述的线缆连接器,其特征在于:所述线缆连接器还包括箍件,该箍件绑缚于线缆的绝缘外被外面且围绕该加强元件,箍件置于金属壳体后壁上的定位槽内。
6.一种线缆连接器的制造方法,其特征在于包括如下步骤:
提供壳体步骤;
提供两块电路板步骤;
提供线缆组件步骤,该线缆组件包括线缆、外屏蔽层及热缩管;所述线缆包括芯线,包裹在芯线外面的内屏蔽层,置于屏蔽层外面的金属编织层以及包覆于金属编织层外面的绝缘外被;
将线缆前端的绝缘外被、金属编织层、内屏蔽层剥除,使内部的芯线暴露在外面;
将暴露在外面的芯线后方的绝缘外被及金属编织层沿轴向切开而形成一段切口,并将位于该切口两侧的一段绝缘外被及金属编织层向后翻折后置于后方的绝缘外被上面,从而使其内部的芯线暴露出来;
将暴露在外面的芯线分开成第一组芯线、第二组芯线,并将第一组芯线的末端及第二组芯线的末端相对线缆的轴向分别向外弯折;
将第一组芯线及第二组芯线分别焊接至所述两块电路板上;
将两块电路板沿上下方向布置,从而使第一组芯线与第二组芯线成一组结构,并将切口两侧的一段绝缘外被及金属编织层向前翻折后遮覆于芯线上面;
将外屏蔽层组装于邻近切口的绝缘外被上面,从而将切口包覆于其内;
将热缩管组装于外屏蔽层外面;
将电路板组装到壳体内。
7.如权利要求6所述的线缆连接器的制造方法,其特征在于:所述第一组芯线及第二组芯线的末端相对线缆的轴向分别向外弯折成90度。
8.如权利要求6所述的线缆连接器的制造方法,其特征在于:所述线缆连接器包括一加强该元件,该加强元件组装至线缆前部内屏蔽层与金属编织层之间。
9.如权利要求8所述的线缆连接器的制造方法,其特征在于:所述线缆连接器还包括箍件,该箍件绑缚于线缆的绝缘外被外面且围绕该加强元件,箍件置于壳体后壁上的定位槽内。
10.如权利要求9所述的线缆连接器的制造方法,其特征在于:所述壳体包括第一壳体及第二壳体,第一壳体、第二壳体的后壁上都设有定位槽。
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