CN1327257C - 光纤连接外壳 - Google Patents

光纤连接外壳 Download PDF

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CN1327257C
CN1327257C CNB018164102A CN01816410A CN1327257C CN 1327257 C CN1327257 C CN 1327257C CN B018164102 A CNB018164102 A CN B018164102A CN 01816410 A CN01816410 A CN 01816410A CN 1327257 C CN1327257 C CN 1327257C
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optical fiber
path
housing parts
shell
limits
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CN1496487A (zh
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C·C·泰勒
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TE Connectivity Germany GmbH
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ADC GmbH
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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4439—Auxiliary devices
    • G02B6/444—Systems or boxes with surplus lengths
    • G02B6/4453—Cassettes
    • G02B6/4454—Cassettes with splices

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
  • Installation Of Indoor Wiring (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Artificial Filaments (AREA)
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  • Diaphragms For Electromechanical Transducers (AREA)
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Abstract

本发明涉及提供建筑物内线路组或类似物中的光纤与一个或多个设备之间的连接的外壳。所述外壳用塑料模制，包括两个外壳部分(10和11)。一个外壳部分(10)是这样构造的，即它固定在墙上并可从而容纳来自线路组的光纤，还包括一些构造(15)，光纤可沿结构(15)限定的通路延伸。第二外壳部分(11)枢转安装在第一部分(10)上并容纳壳体(25)。所述壳体(25)包括一些构造，该构造限定将光纤引导到接合区域并随后引导到一个或多个出口(23，23)的通路。

Description

光纤连接外壳
技术领域
本发明涉及一种外壳，该外壳用于提供建筑物内线束或壁盒或地板下盒中的光纤与该建筑物内的一项或多项设备之间的连接。
背景技术
利用光纤作为传送信号的介质变得越来越普遍，现在建筑物内的设备通过光纤连接到墙上出口也是很普通的。光纤的墙上出口应该能够提供如上所述设备与例如建筑物线束内光纤之间的互连。它们还应该提供考虑到有时需要重新端接出口内光纤的设施。
发明内容
本发明涉及一种为符合这些需要而设计的外壳。
根据本发明，提供了用于提供建筑物内线束或类似物中的光纤与一个或多个设备之间的连接的外壳，所述外壳包括可枢转地连接的第一和第二外壳部分，所述第一外壳部分可安装在建筑物内墙上或类似物上以便接收来自所述线束的光纤，并具有为所述光纤限定通路的构造，所述第二外壳部分具有限定通路的构造，所述通路可接收来自所述第一外壳部分的所述光纤并且光纤可沿所述通路被引导到一个接合区域，所述第二外壳部分还具有为从所述接合区域延伸到设置在第二外壳部分上的出口的光纤限定通路的其它构造，其中所述出口有一个光纤接头件，该接头件可由在光纤端部上的配套接头件接合。
所述第二外壳部分可包括两部分，第一部分枢转连接在第一外壳部分上并模制为限定所述一个或多个出口，第二部分可包括一个盘形件，该盘形件具有限定所述通路的所述构造。接合区域可限定在所述盘形件内并可布置为接收一个或多个接合单元。每个接合单元包括一个限定多个并排通道的模制件。接合区域还可容纳分开单元，当使用时，该分开单元布置在一个或多个接合单元下面。
模制构造限定的通路的曲率半径不小于光纤应围绕弯曲的临界曲率半径。通路是这样限定的，即光纤可以沿着在盘形件中通过结构限定出的外部通路多次环形地延伸。
在第一外壳部分上提供的构造所限定的通路使得可以改变光纤方向，但不必使光纤弯曲的半径小于临界弯曲半径。
附图说明
现在参考附图仅借助实例描述本发明。在附图中：
图1为根据本发明实施例光纤墙出口外壳的透视图；
图2示出了打开状态的出口外壳；
图3为出口外壳的分解图；
图4为接合单元的透视图；
图5为分开单元的透视图。
具体实施方式
参考附图，用作光纤墙出口的外壳包括第一和第二外壳部分10和11。第一外壳部分10用塑料模制并可借助穿过孔12的螺钉固定在墙上，例如建筑物内墙。第一外壳部分10模制为具有凹进部分14，在凹进部分14内形成了许多模制构造15。凹进部分14的壁还包括一个或多个孔16，16a。构造15设计成限定通路，光纤可沿其限定的通路延伸，这些通路允许改变光纤方向，但不会使光纤的弯曲半径小于临界弯曲半径。例如，从线束穿过孔16a进入的光纤可沿附图标记18所示的通路通过。外壳部分还包括两个开尾环形构造19，构造19作为用于固定光纤电缆的凯夫拉尔件的约束点。
第二外壳部分11也是用塑料模制的并具有与第一外壳部分的铰接结构20，这样第一和第二外壳部分可相对枢转。第二外壳部分11模制为限定可接收光纤接头件的许多并排出口22和23。
第二外壳部分11可接收盘形件25，该盘形件25位于第二外壳部分11内，位于出口22和23上方。盘形件25用塑料模制，并包括许多整体以28示出的弯曲构造。这些构造28限定许多轨道，光纤可沿这些通道延伸。这些包括以29示出的外通道、内通道30和中间区域31。此外，构造32限定了一些通道，光纤可通过这些通道延伸到出口22和23。在这方面应该注意，盘的中间区域36是开口的。构造28和32具有凸出的指状物38，这些指状物可作为通道内光纤的保持件。
盘形件还模制成限定搁板40。搁板40上方的区域构成一个接合区域，该区域可接收如附图中图4所示的一个或多个接合单元42。该接合单元42用塑料模制并限定四个并排通道43，其中每个都可容纳一个光纤。接合单元42上还形成了44所示的构造，这些构造组成夹持件。下夹持件可与在搁板40上形成的类似夹持件接合以使接合单元在搁板上固定就位。上夹持件可与位于图4所示接合单元上方的另一个接合单元接合以使两个这种单元相互固定。
作为选择，还可以在接合区域中放置通常所说的分开单元。附图的图5中示出了典型的分开单元，在使用时，该分开单元位于接合单元如42下方，即直接安装在搁板40上。分开单元是为一组光纤限定通路的模制塑料件，其具有入口50和位于其相对端的分叉部分52，允许光纤沿许多并排通道展开。分开单元还具有和接合单元上的构造44功能相同的构造54。
在使用中，墙出口借助穿过孔12延伸的螺钉固定在墙上。一段长度的光纤电缆或一束光纤从墙后面的线束穿过例如孔16a并围绕通路18送进。然后这些光纤被送进盘形件25，这样它们围绕由构造28限定的外通路延伸。这些光纤可绕盘形部分几圈，每圈通过中间区域31。这实际上提供了一定程度的松弛或多余长度的光纤，在将来需要时足以允许重新端接。最后光纤进入接合区域40。如果使用了分开单元，则光纤首先进入分开单元，从那里出来进入内通道30并随后围绕内通道进入如42示出的接合单元。然后这些光纤的端部与另外一段光纤接合，接合单元42的每个通道43内有一个接头。然后额外的光纤长度进入内通道30，它们本身可穿过松弛区域围绕盘形件几圈并从出口部分出来。这些段光纤在其端部具有固定在以22和23示出的出口内的适当的光纤接头件。这些接头件可接收来自建筑物内设备的光纤端部的配套接头件。
构造15和28都设计成限定曲率半径不小于光纤应弯曲的临界曲率半径的通路。本发明墙出口的一个特征是在外壳内提供松弛区域，该区域可容纳足够长度的光纤。其原因是如果将来需要重新端接和接合光纤，由于在外壳内为这种重新端接容纳了足够长度的光纤，所以就可以实现光纤的重新端接和接合。

Claims (8)

1.一种外壳，该外壳用于提供建筑物内线束中的光纤与一项或多项设备之间的连接，其中所述外壳包括可枢转地连接的第一和第二外壳部分，所述第一外壳部分可安装在建筑物内的墙上，具有接收来自所述线束的光纤的装置，并具有为所述光纤限定一个通路的构造，所述第二外壳部分具有限定一个通路的构造，该通路可接收来自所述第一外壳部分的所述光纤并且光纤可沿该通路被引导到一个接合区域，所述第二外壳部分还具有为从所述接合区域延伸到设置在第二外壳部分上的出口的光纤限定通路的其它构造，其中所述出口有一个光纤接头件，该接头件可由在光纤端部上的配套接头件接合。
2.根据权利要求1中所述的外壳，其特征在于，所述第二外壳部分可包括两部分，第一部分枢转连接在第一外壳部分上并模制为限定所述一个或多个出口，第二部分可包括一个盘形件，该盘形件具有限定通路的构造。
3.根据权利要求2中所述的外壳，其特征在于，接合区域限定在所述盘形件内并布置为接收一个或多个接合单元。
4.根据权利要求3中所述的外壳，其特征在于，每个接合单元包括一个模制件，该模制件限定许多并排通道。
5.根据权利要求3或权利要求4中所述的外壳，其特征在于，接合区域还容纳一个分开单元，当使用时，所述分开单元位于一个或多个接合单元下面。
6.根据权利要求1至4之一所述的外壳，其特征在于，构造(15，28)这样来限定所述通路，使其曲率半径不小于光纤应围绕弯曲的临界曲率半径。
7.根据权利要求1至4之一所述的外壳，其特征在于，通路是这样限定的，即光纤可以沿着在盘形件(25)中通过构造(28)限定出的外通道(29)多次环形地延伸。
8.根据权利要求1至4之一所述的外壳，其特征在于，第一外壳部分上的构造限定一个通路，该通路的形状允许改变光纤的方向，但不使光纤的弯曲半径小于临界弯曲半径。
CNB018164102A 2000-09-27 2001-09-24 光纤连接外壳 Expired - Fee Related CN1327257C (zh)

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GB0023667A GB2367379B (en) 2000-09-27 2000-09-27 Opitcal fibre connection housing

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AT (1) ATE303664T1 (zh)
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DE50107313D1 (de) 2005-10-06
EP1329011B1 (de) 2005-08-31
ATE303664T1 (de) 2005-09-15
SA02220611B1 (ar) 2006-07-03
WO2002027883A3 (de) 2003-05-15
WO2002027883A2 (de) 2002-04-04
CA2421645A1 (en) 2003-03-06
BR0114190A (pt) 2003-12-09
CN1496487A (zh) 2004-05-12
AU2002213952A1 (en) 2002-04-08
GB0023667D0 (en) 2000-11-08
ES2247179T3 (es) 2006-03-01
HK1064448A1 (en) 2005-01-28
DK1329011T3 (da) 2005-11-07
GB2367379A (en) 2002-04-03
MXPA03002224A (es) 2003-06-24
GB2367379B (en) 2004-08-25
US6788871B2 (en) 2004-09-07
ZA200302337B (en) 2004-03-04
KR100816317B1 (ko) 2008-03-24
US20040013389A1 (en) 2004-01-22
KR20030051681A (ko) 2003-06-25
EP1329011A2 (de) 2003-07-23

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