CN104011572B - 多光纤的光纤连接器 - Google Patents
多光纤的光纤连接器 Download PDFInfo
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Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
- Engineering & Computer Science (AREA)
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Abstract
提供了一种包括光纤线缆和光纤连接器的光纤线缆组件。所述线缆包括护套,所述护套具有限定长轴和短轴的细长横向剖面轮廓。所述线缆的加强件固定到连接器上。所述光纤连接器包括多光纤卡套,其限定与所述护套的长轴大致垂直的长轴和与所述护套的短轴大致垂直的短轴。某些类型的连接器包括:连接器本体,其限定沿着连接器本体的长度延伸的侧开口;多光纤卡套,其构造成通过侧开口横向***所述连接器本体;以及盖,其在所述多光纤卡套已通过所述侧开口***所述连接器本体之后安装在所述侧开口上。
Description
本申请是2012年10月30日作为PCT国际专利申请提交的,并要求2011年11月23日提交的美国专利申请No.61/563,275的优先权,其公开内容通过引用全部并入本文。
技术领域
本申请公开的内容总体上涉及光纤通信***。更具体地说,本申请公开的内容涉及在光纤通信***中使用的光纤连接器。
背景技术
光纤通信***在一定程度上越来越普遍,因为服务提供商需要提供高带宽的通信能力(例如,数据和语音)给用户。光纤通信***使用光纤线缆的网络,以在相对长的距离传输大量的数据和语音信号。光纤连接器是多数光纤通信***的重要部分。光纤连接器允许两根光纤被迅速地光学连接,而不需要拼接。光纤连接器可以用于光学互连两种长度的光纤。光纤连接器也可以用于将多种长度的光纤互连到无源和有源设备。
典型的光纤连接器包括支撑在连接器外壳的远端处的卡套组件。弹簧用来在相对于连接器外壳的远侧方向上偏压该卡套组件。卡套起到支撑至少一根光纤的端部的作用(在多光纤卡套的情况下,多根光纤的端部被支撑)。卡套具有远端面,光纤的抛磨端部设置在该远端面处。当两个光纤连接器互连时,卡套的远端面彼此抵接,并且卡套抵抗其各自弹簧的偏压相对于其各自的连接器外壳被靠近地推动。随着光纤连接器被连接,其各自的光纤被同轴地对准,使得光纤的端面直接彼此相对。采用这种方式,光学信号可以通过光纤的对准端面从光纤传送到光纤。对于许多光纤连接器类型,两个光纤连接器之间的对准通过使用中间光纤适配器来提供。
许多光纤连接***已经被开发用在外部环境中。这些连接***通常具有适于适应巨大拔出力的坚固耐用的/硬化结构。这些连接***也通常被密封,以限制湿气的侵入。适于外部使用的示例性光纤连接***在美国专利No.6648520,No.7,264,402,No.7572065,No.7744288,No.7762726,No.7744286,No.7942590中进行了公开。
多光纤连接器可以包括拼接式构造和直接端接构造。对于拼接式构造,光纤被预端接在多光纤卡套内,并且卡套的端面被加工(例如,根据需要抛磨和成形)。在卡套加工后,光纤具有位于卡套的前面的抛磨端面,并且还具有从卡套向后突出的尾纤。在使用中,多光纤卡套装载到连接器中,尾纤拼接到与期望被结合到连接器上的光纤线缆对应的光纤上。通常,拼接位置位于连接器的后方(例如,参见2011年5月12日提交的题为“SpliceEnclosureArrangementforFiberOpticCables”的美国专利申请No.13/106,371;以及2010年12月9日提交的题为“SpliceEnclosureArrangementforFiberOpticCables”的美国临时专利申请No.61/421,314)。在直接端接构造中,光纤线缆的光纤被直接端接在多光纤连接器的多光纤卡套中,而无需使用任何中间接头。需要一种能够容易地适应拼接式和直接端接构造的多光纤连接器。还需要一种能够容易地适应拼接式和直接端接构造的硬化多光纤连接器。
发明内容
本申请的一个方面涉及一种适应拼接式和直接端接构造的多光纤连接器。对于直接端接构造,卡套直接安装在线缆的光纤的端部,卡套端面可以被加工(例如,抛磨、成形等),然后线缆和卡套的组件可以装载到连接器本体中。对于拼接式构造,光纤被预安装在卡套中,并且卡套被加工。随后,光纤的尾纤被拼接到光纤线缆的光纤上,并且然后组件被装载到连接器本体中。
某些示例性类型的光纤线缆组件包括光纤线缆和光纤连接器。光纤线缆包括护套,所述护套具有限定长轴和短轴的细长横向剖面轮廓。所述护套的长轴和短轴相对于彼此大致垂直。所述光纤线缆还包括容纳在所述护套内的多根光纤。所述光纤线缆还包括定位在所述光纤的相反两侧的第一和第二加强件。所述第一和第二加强件相对于所述光纤连接器被固定,光纤连接器包括连接器本体,多光纤卡套安装在所述连接器本体中。所述多光纤卡套限定长轴和短轴。所述多光纤卡套的长轴和短轴相对于彼此大致垂直。所述多光纤卡套的长轴大致垂直于所述护套的长轴。所述多光纤卡套的短轴大致垂直于所述护套的短轴。在组装期间,所述多光纤卡套能够侧向装载到所述连接器本体中。
某些示例性类型的光纤连接器包括连接器本体、安装在所述连接器本体的前端的多光纤卡套、和盖。所述连接器本体具有沿所述连接器本体的轴线延伸的长度。所述连接器本体包括被隔开连接器本体的长度的前端和后端。所述连接器本体还限定沿着所述连接器本体的长度延伸的侧开口。所述侧开口布置和构造为允许所述多光纤卡套通过所述侧开口横向地***所述连接器本体中。所述盖在所述多光纤卡套已通过所述侧开口***所述连接器本体之后安装在所述侧开口上。
附图说明
图1是根据本申请原理的示例性第一硬化多光纤线缆组件的透视图,并且适配器显示为将第一线缆组件结合到通过多光纤连接器端接的第二示例性线缆组件;
图2是具有长轴和短轴的示例性光纤线缆的剖视图;
图3是图1所示的第一和第二线缆组件的部件的分解图;
图4是包括连接器本体、弹簧偏压的多光纤卡套和盖的示例性连接器的俯视图;
图5是图4中示例连接器的透视图,以盖从连接器本体中的侧开口分解的状态示出;
图6是图3中示例性硬化连接器装置的包括图4中连接器的部分的透视图,其中盖的一部分分解以露出连接器本体的内部的部分,前端件从连接器本体的前方分解以露出光纤部分,并且多光纤卡套向外分解并旋转90°;
图7是图4中连接器的轴向剖视图;
图8是图1中示例性硬化连接器装置的横截面的放大图,示出向外延伸通过连接器本体的卡套;
图9示出图8中示例性硬化连接器装置旋转了90°的视图;
图10是图3中示例性硬化连接器装置的仰视图,其中包括连接器本体、盖和应变消除套的各部件向外分解;
图11是图10所示的示例性硬化连接器装置的轴向剖视图;
图12是以组装状态示出的图3中示例性硬化连接器装置的放大剖视图,其中线缆光纤的后部和加强件从视图中移除;
图13是沿图1中的线13-13截取的图1中示例性硬化连接器装置的横截面的透视图;
图13A是以基体材料重新涂覆的带状光纤的正视图;
图14是沿图1中的线14-14截取的图1中示例性硬化连接器装置的横截面的透视图;
图15是以组装状态示出的图3中示例性硬化连接器装置的轴向剖视图,其中线缆光纤的后部和加强件从视图中移除;
图16是适于用在本文公开的光纤线缆组件中的示例性光纤线缆400的放大部分的透视图,该光纤线缆具有以带状形成的多根光纤410和防护板;以及
图17-19是适于用在图16所示的线缆中的示例性防护板的各种视图。
具体实施方式
本申请的一些方面针对包括通过光纤连接器110端接的光纤线缆105的某些类型的光纤线缆组件100(图3)。根据一些方面,光纤连接器110可以是硬化(即,环境密封的)光纤连接器装置108的一部分。在一些实施方式中,光纤连接器装置108构造成与第二光纤线缆组件200接口。在所示实例中,第二光纤线缆组件200包括端接第二光纤线缆205的多光纤连接器210。
在其它实施方式中,光纤连接器装置108构造成结合到光纤适配器150,以便能够连接到第二光纤线缆组件200的光纤连接器210。例如,在图1中,示例性适配器150使端接第一光纤线缆105的第一光纤连接器110能够与端接第二光纤线缆205的第二光纤连接器210配合。适配器150限定构造成接纳第二线缆组件200的连接器化端部的插座。在一些实施方式中,光纤适配器150构造成安装在限定于壁、板、外壳或其它结构中的开口内。
在一些实施方式,光纤连接器装置108是硬化(即,环境密封的)光纤连接器装置108。在一些实施方式中,适配器150是硬化(即,环境密封的)适配器。在某些实施方式中,适配器150使硬化光纤连接器装置108能够与非硬化(即非密封的)光纤连接器210配合。例如,在图1中,结合到硬化光纤连接器装置108上的适配器150构造成接纳非硬化光纤连接器210(例如,MPO连接器)。某些类型的硬化光纤连接器装置108构造成与其它硬化光纤连接器装置配合(例如,以插头和插口式连接)。
图2示出包括由外护套107围绕的一根或多根光纤106的一个示例性光纤线缆105。外护套107具有限定长轴A1和短轴A2的细长横向剖面轮廓。在所示实例中,由外护套107限定的横向剖面轮廓大致为具有圆形端部的矩形。长轴A1和短轴A2在线缆105的纵向轴线处垂直地相交。横向剖面轮廓具有沿长轴A1延伸的最大宽度和沿短轴A2延伸的最大厚度。横向剖面轮廓的最大宽度比横向剖面轮廓的最大厚度长。在一个实施例中,光纤线缆105是扁平分支线缆。
在一些实施方式中,第一和第二光纤线缆105,205包括多根光纤。在这些实施方式中,光纤连接器110,210构造成端接多根光纤。在其它实施方式中,光纤线缆105,205的一个或两个仅包括单一光纤。在一些实施方式中,外护套107也限定第一通道109,其沿外护套107的纵向轴线延伸通过外护套107。在某些实施方式中,光纤106被松散地设置在第一通道109内。在其它实施方式中,光纤106可呈带状、带缓冲、或以其它方式容纳在通道109内。在所示实例中,光纤线缆105包括12根光纤106。然而,在其它实施方式中,光纤线缆105可包括更多或更少的光纤106(例如,一根光纤、两根光纤、六根光纤、10根光纤、15根光纤、24根光纤,等)。
至少一个加强件108也沿外护套107的纵向轴线延伸通过外护套107。在所示实例中,第一和第二加强件108设置在第一通道109沿长轴A1的相反两侧。在其它实施方式中,示例性光纤线缆105可以包括单一加强件108。在其它实施方式中,示例性光纤线缆105可以包括附加的加强件108。在某些实施例中,每个加强件108由一层增强元件(如纤维或纱线,例如芳族聚酰胺纤维或纱线)形成,该层增强元件嵌入或以其他方式结合在结合剂内以形成增强结构。在其它实施例中,每个加强件108可以具有玻璃纤维增强聚合物(GRP)结构。在一些实施方式中,加强件108具有圆形横向剖面轮廓。在其它实施方式,加强件108的横向剖面轮廓可以是任何所需的形状(例如,矩形,椭圆形,长圆形等)。其它示例性线缆构造在美国专利No.8,041,166中予以公开,该专利的公开内容特此通过引用并入本文中。
图3示出图1中示例性光纤连接器装置108的分解图。示例性光纤连接器装置108包括具有本体111和弹簧偏压卡套510的光纤连接器110。金属加强套管131安装在连接器本体111的后部115上。金属加强套管131包括套管主体132和从套管主体132径向向外突出的唇缘133。唇缘133具有面向后的表面133a(图15)。
最外层套管134安装在金属加强套管131上。最外层套管134包括具有面向前的表面134a(图15)的内肩部,面向前的表面134a抵接唇缘133的面向后的表面133a,以限制加强套管131相对于最外层套管134的向后移动(参见图15)。在某些实施方式中,最外层套管134限定键锁特征135,其与连接器本体111的对应键锁特征135b配合,以确保当部件被组装在一起时在部件前面正确地旋转对准。连接器本体111和最外层套管134具有模制的塑料结构。外部密封件(例如O型圈)139安装在最外层套管134的周围(参见图8、9和12)。密封件139提供当硬化连接器装置108与另一部件配合时免于水、灰尘、或其它污染物的保护。
前端件130安装在连接器本体111的前端112处并连接到最外层套管134上,使得最外层套管134和前端件130相对于连接器本体111被固定在位(即,连接器本体111被捕获在这几个部件之间)。在某些实施方式中,前端件130卡扣到最外层套管134上。在其它实施方式中,前端件130以其它方式结合到最外层套管134上。前端件130的键锁特征135c可与最外层套管134的键锁特征135a对准,以确保前端件130和最外层套管134之间旋转对准。前端件130限定连接器110的卡套510穿过的通孔。
收缩管140(例如,美国专利No.5,470,622中公开的具有围绕粘合层的热恢复层的收缩配合管,该专利的公开内容特此通过引用并入本文)和应变消除套143在线缆离开连接器装置108时保护线缆105的光纤106。收缩管140具有构造为粘着地附接在最外层套管134的后部136上的前部141和构造为当安装时粘着地附接在线缆105上的后部142。管140将线缆护套机械地结合到套管134上,并密封线缆105和套管134之间的接口。应变消除套143同轴地安装在收缩管140上。套143和管140成形和构造用于接纳线缆105的横向剖面轮廓(参见图14)。
紧固件145安装在最外层套管134上,用于将光纤连接器110固定到部件上。在某些实施方式中,紧固件145包括螺母。在一些实施方式中,紧固件145将连接器110固定到另一光纤连接器(例如,硬化光纤连接器)上。在其它实施方式中,紧固件145将连接器110固定到光纤适配器150上。例如,紧固件145的外部带螺纹区域146可拧入适配器150的内螺纹中。
图4至图6示出适于端接多光纤线缆例如图2所示线缆105的光纤连接器110的一个实施例。光纤连接器110包括连接器本体111、安装在连接器本体111的前端112处的多光纤卡套510、和盖128。连接器本体111具有沿其轴线延伸的长度L(图4)。光纤应变消除套508(图7)安装在卡套510的后侧。连接器本体111包括被隔开连接器本体111的长度L的前端和后端112,113。连接器本体111具有前部114和后部115。前部114限定多光纤卡套510的后部设置在其中的内部116。弹簧(例如,螺旋弹簧)129也设置在连接器内部116中。弹簧129在向前的方向上偏压多光纤卡套510穿过连接器本体111的第一端部112。
后部115限定至少一个加强件腔室117(参见图5)和光纤通道118。在某些实施方式中,后部115限定两个加强件腔室117(例如,凹槽、槽、插口)。在这些实施方式中,光纤通道118在加强件腔室117之间中穿过。在某些实施方式中,连接器本体111的内壁500从前方内部116向内渐缩到光纤通道118以提供加强件腔室117(参见图5)。在某些实施方式中,两个指状元件119从连接器本体111的后板113向后延伸。每个指状元件119包括指向内的齿,其适于当线缆105附接到连接器110上时夹住/咬入线缆护套107。
多光纤卡套510构造为接纳多个光纤部分102的抛磨端部(参见图6)。多光纤卡套510限定长轴A3和短轴A4(图4和5)。多光纤卡套510的长轴和短轴A3,A4相对于彼此大致垂直。多光纤卡套510的长轴A3大致垂直于光纤线缆105的护套107的长轴A1,多光纤卡套的短轴A4大致垂直于光纤线缆105的护套107的短轴A2(参见图13)。多光纤卡套510具有宽度W和高度H(图6)。多光纤卡套510将多个光纤部分102的端部支撑在顺着沿多光纤卡套510的宽度延伸的线(例如,轴线A3)排布的开口101中。
当连接器110被全部组装时,光纤部分102至少部分地延伸通过连接器本体111。在一些实施方式中,光纤部分102与光纤线缆105的光纤106成一体。在这些实施方式中,光纤线缆105的光纤106延伸穿过连接器本体111的光纤通道118,并穿过连接器本体111的前方内部116。多光纤卡套510直接安装在光纤线缆105的光纤106上而没有任何中间接头。在某些实施方式中,光纤线缆105内的光纤106呈带状或松散。在一些实施方式中,光纤通道118沿光纤线缆105的短轴A2伸长,并且带状光纤在带的长轴与光纤通道118的长轴对准的情况下布线穿过光纤通道118(参见图13)。在图13中,将光纤结合在一行中的基体材料不可见。在图13A中,基体材料502被示意性地示出为将光纤106结合在一起以形成带状。
在其它实施方式中,光纤部分102在连接器本体111中的拼接位置103处拼接到光纤线缆105的光纤106上。在某些实施方式中,光纤部分102熔接到光纤线缆105的光纤106上,并且接头使用重新涂覆工艺机械地加强。在某些实施方式中,光纤部分102是带状的。光纤线缆105的带状光纤106朝连接器内部116至少部分地延伸穿过通道118。带状光纤部分102在拼接位置103处拼接到带状光纤106上。例如,光纤106与光纤部分102可以进行熔接。在某些实施方式中,拼接位置103通过施加在拼接位置103周围的附加结合料或基体材料的重新涂覆层进行加强和保护。
在某些实施方式中,附加的接头保护可用于保护重新涂覆的拼接部分。在一些实施方式中,薄板430可设置成与带相邻,并且热收缩管包裹和收缩在带和板的周围。在一个实施例中,板430由不锈钢制成,但是在其它实施方式中可以由任何期望的材料(例如,回火钢)制成。额外的保护增强了拼接部分的坚固性,同时保持薄断面。在其它实施方式中,玻璃加强件(例如,具有半圆形或矩形横截面)代替板设置成与光纤相邻。在其它实施方式中,粘合剂层施加在拼接部分的光纤上,而不是重新涂覆它们。
例如,图16示出示例性光纤线缆400的部分的放大图,其具有形成为带的多根光纤410。板430在带处设置成横跨每根光纤410延伸并且沿光纤410的长度的一部分延伸。热收缩管420缠绕在光纤410和板430两者的周围。如图17所示,板430包括大致平面的(即,平的)板。在一些实施方式中,板430大致为矩形。在某些实施方式中,板430不具有从板430的矩形周边向外延伸的凸缘。在某些实施方式中,板430大致是柔性的。例如,在某些实施方式中,板430不包括边缘加强件或加固元件。在某些实施方式中,板430具有均匀的柔性。在一些实施方式中,板430具有从板430的一端431延伸至板430的相反端432的恒定的横向剖面(参见图18)。在一个实施例中,板430具有矩形横向剖面(参见图18)。
在一些实施方式中,板430沿板430的长度PL具有不大于约0.01英寸的厚度PT。在某些实施方式中,板430沿板430的长度PL具有不大于约0.005英寸的厚度PT。在一个实施例中,板430具有约0.002英寸的恒定厚度PT(图18)。然而,在其它实施方式中,板430可具有任何所需的厚度。在一个实施例中,板430具有比重新涂覆带(参见图16)的高度RH(图16)稍大的高度PH(图19),但在其它实施方式中可以具有相同的高度或更小的高度。在一个实施例中,板430具有比重新涂覆带的长度稍大的长度PL(图19),但在其它实施方式中可以具有相同的长度或更小的长度。在某些实施方式中,板430具有不大于约0.15英寸的高度PH和不大于约1.2英寸的长度PL。在某些实施方式中,板430具有不大于约0.13英寸的高度PH和不大于约1英寸的长度PL。在一个实施例中,板430具有约0.12英寸的高度PH和约0.925英寸的长度PL。
连接器本体111还限定沿着连接器本体111的长度L的至少一部分延伸的侧开口120(图5)。侧开口120布置和构造成允许多光纤卡套510通过侧开口120被横向地***连接器本体111。在某些实施方式中,侧开口120布置和构造成允许多光纤卡套510和光纤部分102通过侧开口120被横向地***连接器本体111。在某些实施方式中,侧开口120布置和构造成允许多光纤卡套510、光纤部分102和光纤106通过侧开口120被横向地***连接器本体111。采用这种方式,光纤在装载过程中不需要轴向螺旋通过开口。
在多光纤卡套510已经通过侧开口120***连接器本体111中之后,盖128安装在侧开口120上。在一些实施方式中,侧开口120沿着连接器本体111的长度L延伸连接器本体111的长度L的至少50%。甚至在一些实施方式中,侧开口120沿着连接器本体111的长度L延伸连接器本体111的长度L的至少75%。在所示实例中,沿着连接器本体111的长度L从前端112处的前端板506的正后方朝连接器本体111的后端113提供横向入口。
在一些实施方式中,盖128包括第一盖部121以及第二盖部125。第一盖部121限定保持面124,其尺寸和形状设置成被第二盖部125的保持面126覆盖。在所示实例中,第一盖部121设置在侧开口120的前部,第二盖部125设置在侧开口120的后部。在其它实施方式中,盖128是一体件。在一些实施方式中,盖128与连接器本体111协作来限定一个或多个加强件腔室117。在图13所示的实例中,盖128与连接器本体111协作来限定两个加强件腔室117,这将在本文中更详细地描述。
盖128包括弹簧压缩构件122,其在盖128安装到连接器本体111上时在连接器本体111内轴向压缩弹簧129。在一些实施方式中,弹簧压缩构件122从第一盖部121向内延伸。在某些实施方式中,弹簧压缩构件122包括臂122,其尺寸设置成并构造成当盖128结合到连接器本体111上时横向地延伸穿过连接器内部116。在所示实例中,弹簧压缩构件122包括从第一盖部121横向延伸的两个臂122(图3)。在某些实施方式中,臂122的尺寸设置成从盖128横向延伸穿过连接器内部116到达连接器本体111的径向相对侧。在图7所示实例中,臂122包括远侧末端123(图11和12),其装配到限定在连接器本体111的径向相对侧的槽或凹部中。
图6是连接器110的透视图,其中第一盖部121从本体111分解以露出前方内部116的一部分。前端件130从连接器本体111的前端向前分解,以通过前端板112露出开口。光纤部分102延伸穿过开口。多光纤卡套510也从连接器本体111分解并旋转90°以便于将卡套510与连接器本体111比较。连接器本体111中的侧开口120具有比多光纤卡套510的宽度W小的最大横向尺寸CD。当组装时,卡套510定向成使得宽度W沿前端件130的长轴(例如,参见轴线A3)延伸。
图7-9示出延伸穿过连接器本体111的前端板506中的通孔的多光纤卡套510。在某些实施方式,该通孔为具有相对的长侧和相对的短侧的大致矩形形状。卡套510限定后肩部510a(图8),其尺寸和形状设置成抵接位于前板506的短侧处的内肩部S,以防止从本体111移除卡套510(参见图8)。通过滑动卡套510横向穿过连接器本体111的侧开口120且滑动卡套510向前穿过前板506中的通孔将卡套510安装在连接器本体111中。
在一些实施方式中,前板506中的通孔由一个或多个带锥度壁T限定(参见图8和图9)。这样的锥度可便于将卡套510安装在连接器本体111中。在某些实施方式中,通孔具有随着其在向前的方向上沿连接器本体111的轴线延伸而增加的横向剖面面积。在某些实施方式中,随着长侧在向前的方向上延伸时通孔的长侧彼此岔开。在某些实施方式中,随着长侧在向前的方向上延伸时通孔的短侧也彼此岔开。在某些实施方式中,长侧和短侧是平面的,并且相对于连接器本体111的轴线成斜角的角度。
在一些实施方式中,连接器本体111的后部115构造成接纳和保持光纤线缆105的至少一个加强件108。在某些实施方式中,连接器本体111的后端115构造成接纳和保持光纤线缆105的至少两个加强件108。光纤线缆105的加强件108相对于光纤连接器111被固定。例如,在某些实施方式中,连接器本体111的后部115限定加强件108可以设置在其中的一个或多个腔室117。在某些实施方式中,可以施加粘合剂来将加强件108保持在腔室117中。在某些实施方式中,腔室117可包括指向内的齿或其它保持结构以帮助将加强件108固定在腔室117内。
在一些实施方式中,连接器本体111形成每个加强件腔室117的第一部分,盖128(例如,盖128的第二部分125)形成每个加强件腔室117的第二部分127(参见图10和11)。当连接器110被组装时,盖128被移除以露出侧开口120。光纤部分102设置在卡套510中。如果有必要,光纤部分102拼接到线缆光纤106的露出端上。通过滑动线缆105穿过侧开口120使得线缆光纤106滑动到光纤通道118中且加强件108滑动到加强件腔室117的第一部分中来将连接器本体111安装在线缆105上(例如,在拼接位置103上)。盖128安装到连接器本体111以关闭侧开口120并关闭腔室117。当盖128安装到连接器本体111上时,盖128的臂122压缩弹簧129。在安装过程中可将粘合剂加入到腔室117。
上面已经描述了本公开的优选方面和实施例,对于本领域技术人员容易想到本公开概念的变型和等同物。然而,这种变型和等同物意图被包含在所附权利要求书的范围内。
Claims (15)
1.一种光纤连接器,包括:
连接器本体,其具有沿所述连接器本体的轴线延伸的长度,所述连接器本体包括被隔开连接器本体的长度的前端和后端,所述连接器本体还限定沿着所述连接器本体的长度延伸的侧开口;
多光纤卡套,其安装在所述连接器本体的前端,所述侧开口布置和构造为允许所述多光纤卡套通过所述侧开口横向地***所述连接器本体中;以及
盖,其在所述多光纤卡套已通过所述侧开口***所述连接器本体之后安装在所述侧开口上。
2.根据权利要求1所述的光纤连接器,其中,所述多光纤卡套具有宽度和高度,所述多光纤卡套将多根光纤的端部支撑在顺着沿所述多光纤卡套的宽度延伸的线排布的开口中,并且其中,所述侧开口具有比所述多光纤卡套的宽度小的最大横向尺寸。
3.根据权利要求1所述的光纤连接器,还包括在向前的方向上偏压所述多光纤卡套的弹簧,并且其中,所述盖包括弹簧压缩构件,当所述盖安装到所述连接器本体上时,所述弹簧压缩构件在所述连接器本体内轴向压缩所述弹簧。
4.根据权利要求1所述的光纤连接器,其中,所述连接器本体的前端由前端板限定,所述前端板限定通孔,所述多光纤卡套的一部分延伸穿过所述通孔。
5.根据权利要求4所述的光纤连接器,其中,所述通孔具有随着所述通孔在向前的方向上沿所述连接器本体的轴线延伸而增加的横向剖面面积;所述通孔为具有相对的长侧和相对的短侧的大致矩形形状;随着所述长侧在向前的方向上延伸所述长侧彼此岔开;随着所述长侧在向前的方向上延伸所述短侧彼此岔开;并且所述长侧和所述短侧是平面的,并且相对于所述连接器本体的轴线成斜角的角度。
6.根据权利要求4所述的光纤连接器,其中,沿着所述连接器本体的长度从所述前端板的正后方朝所述连接器本体的后端提供横向入口。
7.根据权利要求1所述的光纤连接器,其中,所述侧开口沿着所述连接器本体的长度延伸所述连接器本体的长度的至少75%。
8.根据权利要求1所述的光纤连接器,其中,所述连接器本体的后端构造成接纳和保持所述光纤线缆的至少一个加强件。
9.根据权利要求1所述的光纤连接器,还包括多根光纤,其具有固定在所述多光纤卡套内的端部;所述光纤在拼接位置处拼接到光纤线缆的光纤上,所述拼接位置定位在所述连接器本体内。
10.根据权利要求1所述的光纤连接器,还包括:
安装在所述连接器本体的后部的金属加强套管;
安装在所述金属加强套管上的最外层套管,所述连接器本体和所述最外层套管具有模制的塑料结构;
前端件,所述前端件安装在所述连接器本体的前端处并连接到所述最外层套管上,使得所述最外层套管和所述前端件相对于所述连接器本体被固定在位;
其中,所述金属加强套管包括套管主体和从所述套管主体径向向外突出的唇缘,所述唇缘具有面向后的表面,所述最外层套管包括具有面向前的表面的内肩部,所述面向前的表面抵接所述唇缘的面向后的表面,以限制所述加强套管相对于所述最外层套管的向后移动。
11.根据权利要求10所述的光纤连接器,还包括紧固件,其安装在所述最外层套管上用于将所述光纤连接器固定到选自下列组中的部件上:
1)另一光纤连接器;和
2)光纤适配器。
12.根据权利要求1所述的光纤连接器,其中,所述连接器本体中的侧开口提供进入被构造成接纳光纤线缆的至少一个加强件的加强件接纳区域的入口。
13.根据权利要求12所述的光纤连接器,其中,所述加强件接纳区域构造成接纳横向穿过所述侧开口的加强件。
14.根据权利要求13所述的光纤连接器,其中,当所述盖安装在所述连接器本体的侧开口上时,所述盖关闭所述加强件接纳区域。
15.根据权利要求13所述的光纤连接器,其中,所述加强件在所述加强件接纳区域中用环氧树脂粘合到位。
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2019
- 2019-10-11 US US16/599,833 patent/US10782487B2/en active Active
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2020
- 2020-09-21 US US17/026,812 patent/US11237331B2/en active Active
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2022
- 2022-01-14 US US17/576,318 patent/US20220206223A1/en not_active Abandoned
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2023
- 2023-07-25 US US18/358,153 patent/US12019282B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1561462A (zh) * | 2001-09-28 | 2005-01-05 | 康宁电缆***有限公司 | 光纤插塞 |
CN101846776A (zh) * | 2010-06-11 | 2010-09-29 | 余姚市中盛通信设备有限公司 | 光纤快速连接器 |
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