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JP2001116968A - Optical communication trunk cable and branching tool for optical communication trunk cable - Google Patents

Optical communication trunk cable and branching tool for optical communication trunk cable

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Publication number
JP2001116968A
JP2001116968A JP2000029561A JP2000029561A JP2001116968A JP 2001116968 A JP2001116968 A JP 2001116968A JP 2000029561 A JP2000029561 A JP 2000029561A JP 2000029561 A JP2000029561 A JP 2000029561A JP 2001116968 A JP2001116968 A JP 2001116968A
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JP
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Patent type
Prior art keywords
optical
cable
communication
trunk
body
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
JP2000029561A
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Japanese (ja)
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JP4053202B2 (en )
Inventor
Fumihiro Akizuki
Makoto Hodohara
Toshiyuki Igarashi
Kimio Ito
Kenji Nonaka
Hideaki Tajima
Takeo Takahashi
Hajime Tamura
俊之 五十嵐
仁男 伊藤
英明 田島
源 田村
文博 秋月
誠 程原
憲治 野中
建夫 高橋
Original Assignee
Toyokuni Electric Cable Co Ltd
トヨクニ電線株式会社
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    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00Light guides
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401Optical cables
    • G02B6/4439Auxiliary devices
    • G02B6/4471Auxiliary devices terminating, fan-out, clamping, strain-relieving or like devices
    • G02B6/4472Manifolds
    • G02B6/4475Manifolds with provision for lateral branching

Abstract

PROBLEM TO BE SOLVED: To obtain an optical communication trunk cable and a branching tool for the optical communication trunk cable capable of wiring the optical communication cable by executing hard work such as welding and connecting in a factory and by using the branching tool for attaching with simple work in a job site and capable of being transferred in the same manner as a conventional one from the factory to the job site. SOLUTION: The optical communication trunk cable is composed of a connecting optical cable wherein sheathes in at least two or more prescribed positions of an optical communication trunk cable main body in which plural coated optical fibers or optical fiber tapes are covered with the sheath are removed in the factory and wherein a connector is attached to a tip end welded/connected with the taken-out coated optical fibers or the optical fibers tapes, a casing body which covers a base plate to which a connector connecting the connector of the connecting optical cable to the connector of an FO cable connected to an optical wiring box in the installing job site is attached and the optical communication trunk cable main body in the base plate section, and the branching tool consisting of a cover body which houses the base plate attached to the casing body so as to be attachable and detachable.

Description

【発明の詳細な説明】 DETAILED DESCRIPTION OF THE INVENTION

【0001】 [0001]

【発明の属する技術分野】本発明はオフィスビル等の建物に光通信幹線ケーブルを設置する場合に使用される光通信幹線ケーブルおよび光通信幹線ケーブル用分岐具に関する。 The present invention is an optical communication trunk cable and optical communications trunk cable branch device is used when installing the optical communication trunk cable in a building such as an office building relates BACKGROUND OF THE INVENTION.

【0002】 [0002]

【従来の技術】従来、オフィスビル等の建物には地下に設けた外部からの光通信幹線ケーブルに接続される構内光キャビネットPTに、接続された建物の上部より吊り下げられた光通信幹線ケーブルの所定のテープ心線を所定の階に設置した構内光キャビネットPDに融着接続するとともに、該構内光キャビネットPDより、その階および上下階に光ケーブルを用いてそれぞれの階に設置された回線接続装置に接続している。 Conventionally, the premises light cabinet PT in buildings such as office buildings are connected to the optical communication trunk cable from the outside provided underground, connected hanging from the top of the building optical communication trunk cable with fusion splicing predetermined the ribbon on the premises light cabinet PD which was set at a predetermined floor, line connection installed in each floor using from above constituting the light cabinet PD, the optical cable to the floor and upper and lower floors It is connected to the device.

【0003】 [0003]

【発明が解決しようとする課題】従来の建物に吊り下げ状態で使用される光通信幹線ケーブルは、設置現場で所定位置のシースを除去し、該光通信幹線ケーブルのテープ心線を構内光キャビネットPDに融着接続する作業を行なわなければならず、その作業が大変で、手数がかかるという欠点があった。 [Problems that the Invention is to Solve optical communication trunk cable used by hanging a conventional building condition to remove the sheath at a predetermined position at the installation site, premises light cabinet ribbon of optical communication trunk cable must perform the work to fuse connected to the PD, the work is very, trouble is there is a disadvantage that it takes.

【0004】本発明は以上のような従来の欠点に鑑み、 [0004] The present invention has been made in consideration of the conventional drawbacks described above,
融着接続等の大変な作業を現場で行なうことなく、工場で行なうことができ、現場では簡単な作業で取付けることができる分岐具を用いて光通信ケーブルの配線を行なうことができる、工場から現場への移送も従来とほぼ同じように行なうことができる光通信幹線ケーブルおよび光通信幹線ケーブル用分岐具を提供すること目的としている。 Without performing in situ hard work of fusion splicing or the like, can be carried out at the factory, it is possible to perform wiring of optical fiber cable with a branch device which can attach an easy task in the field, from the factory are intended to transport to the site also provides a conventional and substantially can be performed in the same way optical communication trunk cable and optical communications trunk cable branch device.

【0005】本発明の前記ならびにそのほかの目的と新規な特徴は次の説明を添付図面と照らし合わせて読むと、より完全に明らかになるであろう。 [0005] The above and other objects and novel features of the present invention when read with reference to the accompanying drawings following description will become more fully apparent. ただし、図面はもっぱら解説のためのものであって、本発明の技術的範囲を限定するものではない。 However, the drawings are for purposes of illustration only and are not intended to limit the technical scope of the present invention.

【0006】 [0006]

【課題を解決するための手段】上記目的を達成するために、本発明は建物の上部から下部へ吊り下げ状態で使用される複数個の光心線あるいはテープ光心線がシースで覆われた光通信幹線ケーブル本体と、この光通信幹線ケーブル本体の少なくとも2箇所以上の所定位置のシースを工場で除去して、あらかじめ設定された該光通信幹線ケーブル本体の光心線あるいはテープ光心線と融着接続された先端部にコネクターが取付けられた接続光ケーブルと、前記シース除去部分の下部を前記接続光ケーブルの先端部が外方へ突出するように覆うカバーと、設置現場で前記接続光ケーブルのコネクターと光配線ボックスに接続されるFOケーブルのコネクターが接続される接続具が取付けられたベース板、このベース板および該ベース板部位の前記 To achieve the above object of the Invention The present invention provides a plurality of optical cores or tape optical core wire is used in a state suspended from the top of the building to the lower is covered with a sheath optical communication trunk cable body, a sheath of a predetermined position in at least two positions of the optical communication trunk cable body is removed in the factory, and preset optical center line of the optical communication trunk cable body or tape optical core and connecting optical cable connector attached to the fusion-spliced ​​to tip, and a cover for covering so that the tip portion of the connecting optical cable the lower protrudes outwardly of the sheath removed portion, the connector of the connection optical cable installation site a base plate that the connector fitting to be connected is mounted in FO cable connected to the optical wiring box, the base plate and the of the base plate portion 通信幹線ケーブル本体を覆うケース体、このケース体に着脱可能に取付けられる前記ベース板を内部に収納するカバー体とからなる分岐具とで光通信幹線ケーブルを構成している。 Case covering the communication trunk cable body, and constitutes the optical communications trunk cable and the branch device comprising a cover for housing the base plate is detachably attached to the case body therein.

【0007】また、本発明は光通信幹線ケーブルより分岐された光心線あるいはテープ光心線と融着接続された接続光ケーブルの先端部のコネクターと光配線ボックスに接続されるFOケーブルのコネクターが接続される接続具が取付けられたベース板と、このベース板および該ベース板部位の前記光通信幹線ケーブルを覆うケース体と、このケース体に着脱可能に取付けられる前記ベース板を内部に収納するカバー体とで光通信幹線ケーブル用分岐具を構成している。 Further, the present invention has connectors FO cable connected to the connector and optical wiring box of the distal end portion of the connection optical cable connected fused with optical center line or tape optical core wire branched from the optical communication trunk cable a base plate connector is mounted to be connected, for accommodating a case body the base plate and covering the optical communication trunk cable of the base plate portion, said base plate is detachably attached to the case body therein constitute the optical communication trunk cable branch device with the cover member.

【0008】 [0008]

【発明の実施の形態】以下、図面に示す実施の形態により、本発明を詳細に説明する。 DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the embodiment shown in the drawings, the present invention will be described in detail.

【0009】図1ないし図9に示す本発明の第1の実施の形態において、1はオフィスビル等の建物2の上部階より各階の床面に形成された貫通孔3、3、3、3を通過して、下部階へ吊り下げ状態で設置される本発明の光通信幹線ケーブルで、この光通信幹線ケーブル1はあらかじめ設置される現場に合うように設計されたものを工場で製造したもので、図3に示すように4心テープ光心線4、4、4、4、4を5個設けたテープスロット型光通信幹線ケーブル本体5と、この光通信幹線ケーブル本体5の上端部に、図4に示すように取付けられた前記建物2の天井部位に固定された取付け金具6に取付けることができるケーブル吊り具7と、前記光通信幹線ケーブル本体5の前記建物2の各階に位置する部位のシース8 [0009] In the first embodiment of the present invention shown in FIGS. 1 to 9, the through-hole 1 is formed in each floor the floor from the top floor of the building 2 such as office buildings 3,3,3,3 through the thing, in optical communication trunk cable of the present invention installed in a suspended state to the bottom floor, the optical communication trunk cable 1 manufactured those designed to fit the site being previously installed at the factory in, a tape slot type optical communication trunk cable body 5 provided five four ribbons optical center line 4,4,4,4,4 3, the upper end of the optical communication trunk cable body 5 , a cable hanger 7 that can be attached to the mounting bracket 6 fixed to the ceiling portion of the building 2 that is attached as shown in FIG. 4, located on each floor of the building 2 of the optical communication trunk cable body 5 site of the sheath 8
を、図5に示すように除去して、あらかじめ設定された該光通信幹線ケーブル本体5の4心テープ光心線4、 And removed as shown in FIG. 5, 4 fiber ribbon optical core 4 of the optical communication trunk cable body 5 which is set in advance,
4、4、4、4と融着接続され、保護チューブ9で覆われるとともに、先端部にMU型簡易フェルール10、1 4, 4, 4 and 4 a are fusion-spliced, together covered with a protective tube 9, MU type simple ferrule to the tip 10, 1
0、10、10が取付けられた接続光ケーブル11、1 0, 10, 10 are attached connecting optical cable 11,1
1、11、11、11と、前記シース8除去部分の下部を前記接続光ケーブル11の先端部が外方へ突出するように覆うカバー12、12、12、12、12とで構成されている。 And 1,11,11,11, the lower portion of the sheath 8 is removed portion tip portion of the connecting optical cable 11 and a cover 12,12,12,12,12 cover so as to protrude outward.

【0010】13、13、13、13、13は設置現場で前記接続光ケーブル11、11、11、11、11と光配線ボックス14、14、14、14、14に接続されたMU型コネクター15が備えられたFOケーブル1 [0010] 13,13,13,13,13 has the connection optical cable 11,11,11,11,11 and MU-type connector 15, which is connected to the optical wiring box 14,14,14,14,14 at the installation site FO cable 1 a provided
6、16、16、16、16と接続するとともに該接続部位を覆う分岐具で、この分岐具13、13、13、1 In branch member for covering the connection site while connected to the 6,16,16,16,16, the branch device 13,13,13,1
3、13は図7ないし図9に示すように、前記光通信幹線ケーブル本体5のシース8除去部に支持させることができる、前記接続光ケーブル11の融着接続部を収納する収納部17および前記接続光ケーブル11のMU型簡易フェルール10、10、10、10と前記FOケーブル16のMU型コネクター15と接続される接続具18 3 and 13 as shown in FIGS. 7 to 9, wherein the optical communication can be supported on the sheath 8 is removed portion of the trunk cable body 5, housing portion 17 and the accommodating the fusion spliced ​​portion of the connecting optical cable 11 connector MU-type simple ferrule 10, 10, 10, 10 of the connecting optical cable 11 and is connected to the MU-type connector 15 of the FO cable 16 18
とが設けられたベース板19と、このベース板19および該ベース板19取付け部位の前記光通信幹線ケーブル本体5を覆うことができるベース板支持部20が形成された下端部が順次小径となる箱状のケース体21と、このケース体21の開口部21aを覆うように複数本のビス22で該ケース体21に取付けられる内部に前記ベース板19を位置させる、下端部が順次小径となるカバー体23とで構成されている。 A base plate 19 bets is provided, the lower end portion of the base plate supporting portion 20 is formed capable of covering the optical communication trunk cable body 5 of the base plate 19 and the base plate 19 mounting portion are sequentially diameter a box-shaped casing 21, this plurality of screws 22 so as to cover the opening 21a of the case body 21 is positioned the base plate 19 within which is mounted to the case body 21, are sequentially diameter lower portion and a cover member 23.

【0011】上記構成の光通信幹線ケーブル本体5に工場で接続光ケーブル11、11、11、11、11を融着接続させ、該接続部を保護カバー等によって保護して設置現場に運び、分岐具13、13、13、13、13 [0011] by fusion splicing connection optical cable 11,11,11,11,11 factory in optical communication trunk cable body 5 having the above structure, transported to the installation site protected by a protective cover or the like the connecting part, the branch device 13,13,13,13,13
を取付けながら、建物2の上部階より下部階へ吊り下げたり、あるいは上部階より下部階へ吊り下げた後に分岐具13、13、13、13、13を取付け、光通信幹線ケーブル1を完成させる。 While mounting a mounting branch device 13,13,13,13,13 after hanging the lower floor than hanging or, or the upper floor to the lower floor from the upper floor of the building 2, to complete the optical communication trunk cable 1 .

【0012】 [0012]

【発明の異なる実施の形態】次に、図10ないし図22 [Different embodiments of the invention] Next, FIGS. 10 to 22
に示す本発明の異なる実施の形態につき説明する。 It will be described different embodiments of the present invention shown in. なお、これらの本発明の異なる実施の形態の説明に当って、前記本発明の第1の実施の形態と同一構成部分には同一符号を付して重複する説明を省略する。 Incidentally, hitting the description of the different embodiments of these present invention, the omitted in embodiments the same components of the first embodiment are indicated by the same symbols and description of the present invention.

【0013】図10ないし図13に示す本発明の第2の実施の形態において、前記本発明の第1の実施の形態と主に異なる点は、上下端部を順次小径となるケース体2 [0013] In the second embodiment of the present invention shown in FIGS. 10 to 13, the first embodiment and is distinguished from the present invention will become upper and lower end portions successively smaller diameter casing body 2
1Aとカバー体23Aとを用いた分岐具13A、13 Branch device 13A using the 1A and the cover body 23A, 13
A、13A、13A、13Aを用いた点で、このように形成された分岐具13A、13A、13A、13A、1 A, in that using 13A, 13A, and 13A, thus forming branch member 13A, 13A, 13A, 13A, 1
3Aを用いた光通信幹線ケーブル1Aにしても、前記本発明の第1の実施の形態と同様な作用効果が得られる。 Even if the optical communication trunk cable 1A with 3A, the same effects as the first embodiment of the present invention is obtained.

【0014】図14ないし図17に示す本発明の第3の実施の形態において、前記本発明の第1の実施の形態と主に異なる点は、先端部にコネクター24、24、2 [0014] In the third embodiment of the present invention shown in FIGS. 14 to 17, the first embodiment and is distinguished from the present invention, the connector to the distal portion 24,24,2
4、24が取付けられた接続光ケーブル11A、11 4, 24 is attached connection optical cable 11A, 11
A、11A、11A、11Aと、この接続光ケーブル1 A, 11A, 11A, and 11A, the connecting optical cable 1
1A、11A、11A、11A、11Aのコネクター2 1A, 11A, 11A, 11A, 11A of the connector 2
4、24、24、24とFOケーブル16のコネクター15とが接続される接続具18Aを用いた分岐具13 Branching device 13 4,24,24,24 and connector 15 of the FO cable 16 using a connector 18A to be connected
B、13B、13B、13B、13Bを用いた点で、このように構成した光通信幹線ケーブル1Bにしても、前記本発明の第1の実施の形態と同様な作用効果が得られる。 B, in that using 13B, 13B, 13B, and 13B, even if the optical communication trunk cable 1B having such a configuration, the same effects as the first embodiment of the present invention is obtained.

【0015】図18ないし図22に示す本発明の第4の実施の形態において、前記本発明の第1の実施の形態と主に異なる点は、光通信幹線ケーブル本体5のシース除去部分より所定寸法引き出した4心テープ光心線4の先端部に、MTコネクター25を取付けるとともに、このMTコネクター25と接続されるMTコネクター26が取付けられ、先端部に簡易フェルール27が取付けられた接続光ケーブル28と、この接続光ケーブル28の簡易フェルール27と接続される簡易レセプタクル29が一端部に取付けられた前記シース除去部分を覆うカバー体23Bとからなる光通信幹線ケーブル分岐具13Cとを用いた点で、このように構成した光通信幹線ケーブル1Cは、図22に示すように簡易レセプタクル29と光配線ボックス14 [0015] In the fourth embodiment of the present invention shown in FIGS. 18 to 22, the first embodiment and is distinguished from the present invention, predetermined from the sheath removal portion of the optical communication trunk cable body 5 the distal end of the 4-fiber ribbons optical center line 4 drawn dimensions, with mounting the MT connector 25, the MT MT connector 26 to be connected to the connector 25 is attached, the tip connection optical simple ferrule 27 is attached to the section cable 28 If, in that the simple receptacle 29 connected with the simple ferrule 27 of the connecting optical cable 28 with the optical communications trunk cable branch device 13C comprising a cover member 23B for covering the sheath removed portion attached to one end, configuration optical communication trunk cable 1C in this way, simplified as shown in FIG. 22 the receptacle 29 and the optical wiring box 14 をFOケーブル16で簡単に接続することができる。 The can be easily connected with FO cable 16. なお、光通信幹線ケーブル分岐具13 Incidentally, optical communication trunk cable branch device 13
Cの簡易レセプタクル29に接続されたFOケーブル1 FO cable 1 connected to the C simple receptacle 29
6の該簡易レセプタクル29側の端部は光通信幹線ケーブル分岐具13Cの端部を覆う軟質性ビニールカバー3 6 softness vinyl cover 3 the end of the simple receptacle 29 side covering the end portion of the optical communication trunk cable branch device 13C of
0で覆う。 Covered with a 0.

【0016】前記本発明の各実施の形態では光通信幹線ケーブル本体5としてテープスロット型のものを用いたものについて説明したが、本発明はこれに限らず、複数個の光心線を束ねてシースで覆ったものを用いてもよく、また、4心テープ光心線を10個、15個、25 [0016] The Although the embodiments of the present invention has been described in connection with what was used in the tape slot type as optical communication trunk cable body 5, the present invention is not limited to this, by bundling a plurality of optical cores It may also be used as covered with a sheath, also ten 4-fiber ribbons optical center line, 15, 25
個、50個用いたり、分岐具13、13A、13B、1 Pieces, 50 used or, branch members 13, 13A, 13B, 1
3Cをそれぞれの階でなく、所定の階に位置するように設けてもよい。 3C rather each floor may be provided so as to be positioned at a predetermined floor.

【0017】 [0017]

【発明の効果】以上の説明から明らかなように、本発明にあっては次に列挙する効果が得られる。 As apparent from the above description, in the present invention are listed below effect.

【0018】(1)建物の上部から下部へ吊り下げ状態で使用される複数個の光心線あるいはテープ光心線がシースで覆われた光通信幹線ケーブル本体と、この光通信幹線ケーブル本体の少なくとも2箇所以上の所定位置のシースを工場で除去して、あらかじめ設定された該光通信幹線ケーブル本体の光心線あるいはテープ光心線と融着接続された先端部にコネクターが取付けられた接続光ケーブルと、前記シース除去部分の下部を前記接続光ケーブルの先端部が外方へ突出するように覆うカバーと、 [0018] (1) and the optical communication trunk cable body in which a plurality of optical cores or tape optical core is covered with a sheath that is used in a state suspended from the top to the bottom of the building, the optical communication trunk cable body at least two or more positions of the sheath at a predetermined position was removed at the factory, the connector is attached to the optical center line or tape optical core and fusion connected tip of preset light communication trunk cable body connected and optical cable, the leading end portion of the lower part of the sheath removed portion the connecting optical cable and a cover that covers so as to protrude outward,
設置現場で前記接続光ケーブルのコネクターと光配線ボックスに接続されるFOケーブルのコネクターが接続される接続具が取付けられたベース板、このベース板および該ベース板部位の前記光通信幹線ケーブル本体を覆うケース体、このケース体に着脱可能に取付けられる前記ベース板を内部に収納するカバー体とからなる分岐具とで構成されているので、設置現場で光通信幹線ケーブル本体と接続ケーブルとを融着接続しなくてもよい。 Installation site in the connection optical cable connectors and the base plate FO connector cable connector is connected, it mounted to be connected to the optical wiring box, covering the optical communication trunk cable body of the base plate and the base plate portion case body, which is configured by the branch device comprising a cover for housing the base plate is detachably attached to the case body therein, fusing the optical communication trunk cable body and connected cable installation site it may not be connected.

【0019】(2)前記(1)によって、光通信幹線ケーブル本体の光心線あるいはテープ光心線と接続ケーブルとを接続する分岐部は工場で融着接続するので、品質保証が確実にできる。 [0019] by (2) the (1), the branch portions for connecting the connection cable to the optical core or tape optical center line of the optical communication trunk cable body because fusion splicing factory, the quality assurance can be ensured . したがって、光通信幹線ケーブルの配線に対する信頼性の向上を図ることができる。 Therefore, it is possible to improve the reliability of the wiring of the optical communication trunk cable.

【0020】(3)前記(1)によって、設置現場ではコネクターと接続具の接続とベース板、ケース体、カバー体とからなる分岐具の取付けでよいので、光ケーブル接続用の特殊技術者でなくても、容易に接続作業を行なうことができる。 By [0020] (3) wherein (1), connected to the base plate of the connector and the connector at the installation site, the case body, so good in mounting the branch device comprising a cover member is not a special technician for optical cable connections also, it is possible to easily perform the connection work.

【0021】(4)請求項2、3、4も前記(1)〜 [0021] (4) according to claim 2, 3, 4 also the (1) -
(3)と同様な効果が得られる。 (3) the same effects as can be obtained.

【図面の簡単な説明】 BRIEF DESCRIPTION OF THE DRAWINGS

【図1】本発明の第1の実施の形態の使用状態の説明図。 Figure 1 is an explanatory diagram of a use state of the first embodiment of the present invention.

【図2】本発明の第1の実施の形態の説明図。 FIG. 2 is an explanatory view of a first embodiment of the present invention.

【図3】本発明の第1の実施の形態の光通信幹線ケーブル本体の説明図。 Figure 3 is an illustration of an optical communication trunk cable body according to the first embodiment of the present invention.

【図4】本発明の第1の実施の形態のケーブル吊り具の説明図。 [4] The first illustration of the cable hanger of the embodiment of the present invention.

【図5】本発明の第1の実施の形態の分岐部の接続状態を示す説明図。 [5] The first explanatory diagram showing the connection of the branch portion of the embodiment of the present invention.

【図6】本発明の第1の実施の形態の分岐具の取付け状態の説明図。 Figure 6 is an explanatory diagram of a mounting state of a branch device in the first embodiment of the present invention.

【図7】本発明の第1の実施の形態の分岐具の分解図。 Figure 7 is an exploded view of a branch device in the first embodiment of the present invention.

【図8】図6の8−8線に沿う断面図。 8 is a cross-sectional view taken along line 8-8 of FIG.

【図9】図6の9−9線に沿う断面図。 FIG. 9 is a cross-sectional view taken along line 9-9 of FIG.

【図10】本発明の第2の実施の形態の使用状態の説明図。 Figure 10 is an explanatory diagram of a use state of the second embodiment of the present invention.

【図11】本発明の第2の実施の形態の説明図。 Figure 11 is an explanatory diagram of a second embodiment of the present invention.

【図12】本発明の第2の実施の形態の分岐部の説明図。 Figure 12 is an explanatory diagram of a bifurcation of a second embodiment of the present invention.

【図13】本発明の第2の実施の形態の分岐具の分解図。 Figure 13 is an exploded view of a branch device in the second embodiment of the present invention.

【図14】本発明の第3の実施の形態の使用状態の説明図。 [14] Third illustration of the use state of the embodiment of the present invention.

【図15】本発明の第3の実施の形態の説明図。 [15] Third illustration of an embodiment of the present invention.

【図16】本発明の第3の実施の形態の分岐具の取付け状態の説明図。 [16] Third explanatory view of a mounting state of a branch member of the embodiment of the present invention.

【図17】本発明の第3の実施の形態の分岐具の分解図。 [17] Third exploded view of a branch device in the embodiment of the present invention.

【図18】本発明の第4の実施の形態の使用状態の説明図。 [18] Fourth explanatory diagram of state of use of the embodiment of the present invention.

【図19】本発明の第4の実施の形態の説明図。 [19] Fourth illustration of an embodiment of the present invention.

【図20】本発明の第4の実施の形態の分岐部の接続状態を示す説明図。 [20] Fourth explanatory diagram showing the connection of the branch portion of the embodiment of the present invention.

【図21】本発明の第4の実施の形態の分岐具の取付け状態の説明図。 [21] Fourth explanatory view of a mounting state of a branch member of the embodiment of the present invention.

【図22】本発明の第4の実施の形態の斜視図 Figure 22 is a perspective view of a fourth embodiment of the present invention

【符号の説明】 DESCRIPTION OF SYMBOLS

1、1A、1B、1C:光通信幹線ケーブル、2:建物、 3:貫通孔、4:4心テープ光心線、 5:光通信幹線ケーブル本体、6:取付け金具、 1, 1A, 1B, 1C: optical communication trunk cable, 2: Building, 3: through-hole, 4: 4 fiber ribbon optical center line, 5: optical communication trunk cable body, 6: Mounting bracket,
7:ケーブル吊り具、8:シース、 7: Cable hanger, 8: sheath,
9:保護チューブ、10:MU型簡易フェルール、1 9: protection tube, 10: MU type simple ferrule, 1
1、11A:接続光ケーブル、12:カバー、13、1 1,11A: connection optical cable, 12: cover, 13, 1
3A、13B、13C:分岐具、14:光配線ボックス、 15:MU型コネクター、16:FOケーブル、 3A, 13B, @ 13 C: branching device, 14: optical wiring box, 15: MU-type connector, 16: FO cables,
17:収納部、18、18A:接続具、 19:ベース板、20:ベース板支持部、 21、21A、21 17: Storage unit, 18, 18A: connector, 19: base plate, 20: base plate supporting portion, 21, 21A, 21
B:ケース体、22:ビス、 23、23 B: the case body, 22: bis, 23, 23
A、23B:カバー体、24:コネクター、 2 A, 23B: cover, 24: connector, 2
5:MTコネクター、26:MTコネクター、 27: 5: MT connector, 26: MT connector, 27:
簡易フェルール、28:接続光ケーブル、 29:簡易レセプタクル、30:軟質性ビニールカバー。 Simple ferrule, 28: connecting optical cable, 29: Simplified Receptacle, 30: softness vinyl cover.

───────────────────────────────────────────────────── フロントページの続き (72)発明者 五十嵐 俊之 埼玉県行田市埼玉4125トヨクニ電線株式会 社埼玉工場内 (72)発明者 程原 誠 埼玉県行田市埼玉4125トヨクニ電線株式会 社埼玉工場内 (72)発明者 田村 源 埼玉県行田市埼玉4125トヨクニ電線株式会 社埼玉工場内 (72)発明者 秋月 文博 埼玉県行田市埼玉4125トヨクニ電線株式会 社埼玉工場内 (72)発明者 田島 英明 埼玉県行田市埼玉4125トヨクニ電線株式会 社埼玉工場内 (72)発明者 野中 憲治 埼玉県行田市埼玉4125トヨクニ電線株式会 社埼玉工場内 Fターム(参考) 2H001 BB27 BB28 FF07 HH01 2H038 CA33 CA38 CA63 ────────────────────────────────────────────────── ─── of the front page continued (72) inventor Toshiyuki Igarashi Saitama Prefecture Gyoda Saitama 4125 Toyokuni wire stock company Saitama in the factory (72) inventor Hodohara Makoto Saitama Prefecture Gyoda Saitama 4125 Toyokuni wire stock company Saitama in the factory (72) Saitama Prefecture Gyoda inventor source Tamura, Saitama 4125 Toyokuni wire stock company Saitama in the factory (72) inventor Fumihiro Akizuki Saitama Prefecture Gyoda Saitama 4125 Toyokuni wire stock company Saitama in the factory (72) inventor Hideaki Tajima Saitama prefecture Gyoda Saitama 4125 Toyokuni wire stock company Saitama factory (72) inventor Kenji Nonaka Saitama Prefecture Gyoda Saitama 4125 Toyokuni wire stock company Saitama factory in the F-term (reference) 2H001 BB27 BB28 FF07 HH01 2H038 CA33 CA38 CA63

Claims (6)

    【特許請求の範囲】 [The claims]
  1. 【請求項1】 建物の上部から下部へ吊り下げ状態で使用される複数個の光心線あるいはテープ光心線がシースで覆われた光通信幹線ケーブル本体と、この光通信幹線ケーブル本体の少なくとも2箇所以上の所定位置のシースを工場で除去して、あらかじめ設定された該光通信幹線ケーブル本体の光心線あるいはテープ光心線と融着接続された先端部にコネクターが取付けられた接続光ケーブルと、前記シース除去部分の下部を前記接続光ケーブルの先端部が外方へ突出するように覆うカバーと、設置現場で前記接続光ケーブルのコネクターと光配線ボックスに接続されるFOケーブルのコネクターが接続される接続具が取付けられたベース板、このベース板および該ベース板部位の前記光通信幹線ケーブル本体を覆うケース体、このケース体 1. A optical communication trunk cable body in which a plurality of optical cores or tape optical core is covered with a sheath that is used in a state suspended from the top to the bottom of the building, at least in the optical communication trunk cable body by removing a sheath of a predetermined two or more positions in the factory preset optical communication trunk cable body of the optical core or tape optical core and fusion spliced ​​to tip connection optical cable connector attached to the unit When a cover for covering the lower portion of the sheath removed portion so that the tip portion of the connecting optical cable protrudes outward, connectors FO cable connected to the connector and optical wiring boxes of the connecting optical cable are connected at the installation site base plate that connector is mounted, the base plate and the case for covering the optical communication trunk cable body of the base plate portion, the case body に着脱可能に取付けられる前記ベース板を内部に収納するカバー体とからなる分岐具とを備えることを特徴とする光通信幹線ケーブル。 Optical communication trunk cable, characterized in that it comprises a removable becomes the base plate attached and a cover for housing therein the branch device to.
  2. 【請求項2】 建物の上部から下部へ吊り下げ状態で使用される複数個の光心線あるいはテープ光心線がシースで覆われた光通信幹線ケーブル本体と、この光通信幹線ケーブル本体の少なくとも2箇所以上の所定位置のシースを工場で除去して、あらかじめ設定された該光通信幹線ケーブル本体の光心線あるいはテープ光心線と融着接続された先端部にMU型簡易フェルールが取付けられた接続光ケーブルと、前記シース除去部分を前記接続光ケーブルの先端部が外方へ突出するように覆うカバーと、 2. A optical communication trunk cable body in which a plurality of optical cores or tape optical core is covered by the sheath from above is used in a state suspended to the lower part of the building, at least in the optical communication trunk cable body by removing a sheath of a predetermined two or more positions in the factory, MU type simple ferrule is attached to the optical center line or tape optical core and fusion spliced ​​to tip of the optical communication trunk cable body which is set in advance and connection optical cable, the sheath removed portion distal end portion of the connecting optical cable and a cover that covers so as to protrude outward,
    設置現場で前記接続光ケーブルのMU型簡易フェルールと光配線ボックスに接続されるFOケーブルのコネクターが接続される接続具および前記接続光ケーブルの融着接続部を収納する収納部が形成されたベース板、このベース板および該ベース板部位の前記光通信幹線ケーブル本体を覆うケース体、このケース体に着脱可能に取付けられる前記ベース板を内部に収納するカバー体とからなる分岐具とを備えることを特徴とする光通信幹線ケーブル。 Base plate accommodating part MU type simple ferrule and FO cable connectors connected to the optical wiring box for accommodating a fusion splice of the connector and the connecting optical cable to be connected to the connecting optical cable installation site is formed, the base plate and the case for covering the optical communication trunk cable body of the base plate portion, characterized in that it comprises a branching device comprising a cover for housing the base plate is detachably attached to the case body therein and optical communication trunk cable.
  3. 【請求項3】 建物の上部から下部へ吊り下げ状態で使用される複数個の光心線あるいはテープ光心線がシースで覆われた光通信幹線ケーブル本体と、この光通信幹線ケーブル本体の少なくとも2箇所以上の所定位置のシースを工場で除去して、あらかじめ設定された該光通信幹線ケーブル本体の光心線あるいはテープ光心線を所定寸法引き出し、その先端部に取付けられたMTコネクターと、このMTコネクターと接続されるMTコネクターが取付けられ、先端部に簡易フェルールが取付けられた接続光ケーブルと、前記シース除去部分の一端部を前記引き出された光心線あるいはテープ光心線の先端部が外方へ突出するように覆うカバーと、前記シース除去部分を覆う一端部に前記接続光ケーブルの簡易フェルールが接続される簡易レセプ 3. A optical communication trunk cable body in which a plurality of optical cores or tape optical core is covered by the sheath from above is used in a state suspended to the lower part of the building, at least in the optical communication trunk cable body by removing a sheath of a predetermined two or more positions in the factory, the drawer predetermined dimensions optical center line or tape optical center line of the optical communication trunk cable body which is set in advance, and MT connectors attached at its distal end, MT connector is attached to be connected to the MT connector, and the connection optical cable simple ferrule is attached to the distal end, the distal end portion of the sheath removed portion of the one end portion and the drawn optical core or tape optical center line is simple and cover that covers so as to protrude outward, simple ferrule of the connecting optical cable at one end for covering the sheath removed portion is connected receptions タクルが取付けられたカバー体とからなる分岐具とを備えることを特徴とする光通信幹線ケーブル。 Takuru optical communication trunk cable, characterized in that it comprises a branching device comprising a attached cover body.
  4. 【請求項4】 光通信幹線ケーブルより分岐された光心線あるいはテープ光心線と融着接続された接続光ケーブルの先端部のコネクターと光配線ボックスに接続される、FOケーブルのコネクターが接続される接続具が取付けられたベース板と、このベース板および該ベース板部位の前記光通信幹線ケーブルを覆うケース体と、このケース体に着脱可能に取付けられる前記ベース板を内部に収納するカバー体とからなることを特徴とする光通信幹線ケーブル用分岐具。 4. A connected to the connector and optical wiring box of the tip of the optical core wire or tape optical core wire branched from the optical communication trunk cable fusion splicing connection optical cable, connectors FO cable is connected a base plate having connecting device attached that, a cover for housing the case body the base plate and covering the optical communication trunk cable of the base plate portion, said base plate is detachably attached to the case body therein branching device for optical communication trunk cable, characterized by comprising a.
  5. 【請求項5】 光通信幹線ケーブルより分岐された光心線あるいはテープ光心線と融着接続された接続光ケーブルの先端部のコネクターと光配線ボックスに接続されるFOケーブルのコネクターが接続される接続具および融着接続部を収納する収納部が設けられたベース板と、このベース板および該ベース板部位の前記光通信幹線ケーブルを覆うケース体と、このケース体に着脱可能に取付けられる前記ベース板を内部に収納するカバー体とからなることを特徴とする光通信幹線ケーブル用分岐具。 5. A connector and FO cable connected to the optical wiring box of the tip portion of the optical core wire or tape optical core wire branched from the optical communication trunk cable fusion splicing connection optical cable connector is connected a base plate which storage unit is provided for housing the connector and fusion splice, and the case body the base plate and covering the optical communication trunk cable of the base plate portion, removably attached to the case body wherein branching device for optical communication trunk cable characterized by comprising a cover for housing the base plate therein.
  6. 【請求項6】 光通信幹線ケーブルのシース除去部分を着脱可能に覆うことができるケース体と、このケース体の一端部に取付けられた前記光通信幹線ケーブルより引き出された光心線あるいいはテープ光心線にMTコネクター接続された接続光ケーブルの簡易フェルールが接続される簡易レセプタクルとからなることを特徴とする光通信幹線ケーブル用分岐具。 A case body 6. It is possible to cover removably sheath removed portion of the optical communication trunk cable, say some optical center line drawn from the optical communication trunk cable attached to one end of the case body branching device for optical communication trunk cable tape optical core MT connector connected simplified ferrule connecting optical cable is characterized in that it consists of a simple receptacle to be connected.
JP2000029561A 1999-08-11 2000-02-07 Branching device and an optical communication trunk cable for optical communication trunk cable Expired - Fee Related JP4053202B2 (en)

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