JP3516765B2 - Optical distribution frame - Google Patents
Optical distribution frameInfo
- Publication number
- JP3516765B2 JP3516765B2 JP04888395A JP4888395A JP3516765B2 JP 3516765 B2 JP3516765 B2 JP 3516765B2 JP 04888395 A JP04888395 A JP 04888395A JP 4888395 A JP4888395 A JP 4888395A JP 3516765 B2 JP3516765 B2 JP 3516765B2
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- optical
- core
- branch
- tray
- 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.)
- Expired - Fee Related
Links
Landscapes
- Mechanical Coupling Of Light Guides (AREA)
- Light Guides In General And Applications Therefor (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、光ファイバケーブル、
あるいは光ファイバコードの光配線盤に関する。BACKGROUND OF THE INVENTION The present invention relates to an optical fiber cable,
Alternatively, it relates to an optical wiring board of an optical fiber cord.
【０００２】[0002]
【従来の技術】光ファイバケーブルを光接続により光フ
ァイバ心線へ分岐接続するには、多数の光ファイバを成
端して群構成とする光配線盤が一般的に使用される。こ
れら、光配線盤は、光ファイバの分岐接続のためのコネ
クタ接続部、多心単心分岐部、およびジャンパ用の光コ
ード、光コードの光接続に伴う余長部がコンパクトに収
納されたトレーが高密度で多段に積層された構造であ
る。2. Description of the Related Art In order to branch and connect an optical fiber cable to an optical fiber core by optical connection, an optical distribution board in which a large number of optical fibers are terminated to form a group is generally used. These optical distribution boards are trays in which a connector connection part for branch connection of optical fibers, a multi-core single-core branch part, an optical cord for jumpers, and an extra length part accompanying the optical connection of the optical cord are compactly stored. Is a high-density, multi-layered structure.
【０００３】[0003]
【発明が解決しようとする課題】ところで、伝送情報量
の増大に対応して光ケーブルが多心化の傾向にあること
に鑑みて、前記配線盤としては、特に、より多数の光接
続部および接続余長をコンパクトに収納することが重要
となってきている。加えて、配線盤内の光接続箇所が膨
大な数になるので、光接続作業や光接続部の収納、取り
出し作業あるいは接続切替作業を迅速に行なうことがで
きる光配線盤の開発が望まれている。In view of the tendency of optical cables to have multiple cores in response to an increase in the amount of transmitted information, as the wiring board, in particular, a larger number of optical connecting portions and connecting portions are connected. It has become important to store the extra length compactly. In addition, since the number of optical connection points in the wiring board will be enormous, it is desired to develop an optical wiring board that can quickly perform optical connection work, storage and removal of optical connection parts, or connection switching work. There is.
【０００４】本発明は、前述の課題に鑑みてなされたも
ので、光コネクタ、融着接続部、多心単心分岐部、接続
余長等を複数のトレーに整理してコンパクトに収納する
ことができ、しかも、光コネクタや多心単心分岐部の収
納、取り出し、ならびに接続切替作業等の作業能率が向
上する光配線盤を提供することを目的とするものであ
る。The present invention has been made in view of the above-mentioned problems, and it is necessary to arrange the optical connector, the fusion splicing portion, the multi-core single-core branch portion, the connection extra length, etc. in a plurality of trays and store them compactly. It is an object of the present invention to provide an optical distribution board which can be improved and has improved work efficiency such as storage and removal of an optical connector and a multi-core single-fiber branch portion, and connection switching work.
【０００５】[0005]
【課題を解決するための手段】本発明は、前記課題を解
決するため、以下の構成を採用した。すなわち、請求項
１記載の光配線盤では、光ファイバケーブルあるいは光
ファイバコードを多心単心分岐部を介して別の光ファイ
バケーブルに分岐および接続するための光配線盤におい
て、架体と、光ファイバケーブルあるいは光ファイバコ
ードから導出された光ファイバ心線または該光ファイバ
心線と光接続可能に架体内に配線される光ファイバ心線
を複数本まとめて支持し、かつ適切位置で分岐可能に収
納する分岐部と、該分岐部において分岐された光ファイ
バ心線を内部において前記多心単心分岐部を介して接続
するトレーを積層状態に収納し、かつ出し入れ自在に支
持するトレー収納部とを備えてなり、前記多心単心分岐
部が、前記光ファイバ心線を分岐できるようにされ、前
記トレーには複数の多心単心分岐部を着脱自在に挟持す
る心線分岐部ホルダが１以上設けられ、該心線分岐部ホ
ルダには、前記多心単心分岐部をトレーの底板と平行と
してクランプするクランプホルダが、底板に対して傾斜
した平面に沿って並列させるように複数連設されている
ことを前記課題の解決手段とした。The present invention has the following features to attain the object mentioned above. That is, in the optical distribution board according to claim 1, in the optical distribution board for branching and connecting the optical fiber cable or the optical fiber cord to another optical fiber cable via the multi-core single-core branch portion, Supports a plurality of optical fiber cores derived from an optical fiber cable or optical fiber cord or optical fiber cores that can be optically connected to the optical fiber cores in the frame and can branch at an appropriate position And a tray storing section for storing a tray in which the optical fiber cores branched at the branch are connected inside via the multi-core single-core branch in a stacked state and supporting the tray so that it can be freely taken out and put in. And a multi-fiber single-branch part capable of branching the optical fiber core wire, and a plurality of multi-fiber single-fiber branch parts are detachably sandwiched between the trays. One or more cord branch holders are provided, and a clamp holder for clamping the multi-core single-core branch parallel to the bottom plate of the tray is provided on the cord branch holder along a plane inclined with respect to the bottom plate. A plurality of units arranged in parallel so as to be parallel to each other was taken as a means for solving the above problems.
【０００６】請求項２記載の光配線盤では、光ファイバ
ケーブルあるいは光ファイバコードを分岐部を介して別
の光ファイバケーブルに分岐および接続するための光配
線盤において、架体と、光ファイバケーブルあるいは光
ファイバコードから導出された光ファイバ心線または該
光ファイバ心線と光接続可能に架体内に配線される光フ
ァイバ心線を、内部において前記分岐部を介して接続す
るトレーを積層状態に収納し、かつ出し入れ自在に支持
するトレー収納部とを備えてなり、前記分岐部が、前記
光ファイバ心線を分岐できるようにされ、前記トレーに
は複数の分岐部を着脱自在に挟持する心線分岐部ホルダ
が１以上設けられ、該心線分岐部ホルダには、前記分岐
部をトレーの底板と平行としてクランプするクランプホ
ルダが、底板に対して傾斜した平面に沿って並列させる
ように複数連設されていることを前記課題の解決手段と
した。In the optical distribution board according to the present invention, an optical distribution board for branching and connecting an optical fiber cable or an optical fiber cord to another optical fiber cable via a branch portion, the frame and the optical fiber cable. Alternatively, the trays for connecting the optical fiber cores derived from the optical fiber cords or the optical fiber cores wired in the frame so as to be optically connectable with the optical fiber cores inside through the branching portions are stacked. A tray storing portion for storing and supporting in and out freely, the branching portion being capable of branching the optical fiber core, and a core for detachably sandwiching a plurality of branching portions in the tray. One or more wire branch portion holders are provided, and the core wire branch portion holder is provided with a clamp holder that clamps the branch portion in parallel with the bottom plate of the tray. That it is more continuously provided so as to parallel along the inclined plane Te was solutions of the problems.
【０００７】請求項３記載の光配線盤では、請求項１ま
たは２記載の光配線盤において、前記光ファイバケーブ
ルあるいは光ファイバコードと、前記別の光ファイバケ
ーブルとが、光コネクタを介して接続され、前記光コネ
クタが複数の光ファイバ心線を一体的に光接続する多連
コネクタであり、前記トレーには前記光コネクタをその
光接続軸線をトレーの底板と略平行として着脱自在に挟
持するコネクタホルダが複数設置されていることを前記
課題の解決手段とした。請求項４記載の光配線盤では、
請求項３記載の光配線盤において、前記底板に、前記コ
ネクタホルダが１方向に複数配列されてなる帯状のコネ
クタ支持帯が設けられ、これらコネクタホルダに支持さ
れる光コネクタの支持位置が前記コネクタ支持帯の延在
方向に隣り合う同士で互いの位置をずらして配置されて
いることを前記課題の解決手段とした。According to a third aspect of the present invention, there is provided an optical wiring board according to the first or second aspect, wherein the optical fiber cable or the optical fiber cord and the other optical fiber cable are connected via an optical connector. The optical connector is a multiple connector for integrally optically connecting a plurality of optical fiber core wires, and the optical connector is detachably clamped in the tray with its optical connection axis being substantially parallel to the bottom plate of the tray. The provision of a plurality of connector holders was taken as a means for solving the above problems. In the optical distribution board according to claim 4,
4. The optical distribution board according to claim 3, wherein the bottom plate is provided with a strip-shaped connector support band formed by arranging a plurality of the connector holders in one direction, and the support position of the optical connector supported by these connector holders is the connector. The means for solving the above-mentioned problem is that the support bands are arranged so that they are adjacent to each other in the extending direction of the support bands, and their positions are displaced from each other.
【０００８】[0008]
【作用】請求項１記載の光配線盤によれば、心線分岐部
ホルダにおいて、複数の多心単心分岐部をトレーの底板
に対して平行として、かつ底板に対して傾斜した平面に
沿って並列状態に支持するので、トレーに対して垂直な
平面に並列配置した場合に比して、トレーからの突出量
が抑制される。心線分岐部ホルダを収納するトレーは、
コネクタホルダを収納するトレーと同一であってもよ
く、別々であってもよい。請求項２記載の光配線盤によ
れば、請求項１記載の光配線盤と同様に、トレーに対し
て垂直な平面に並列配置した場合に比して、トレーから
の突出量が抑制される。According to the optical wiring board of the first aspect, in the core wire branch portion holder, a plurality of multi-core single-core branch portions are parallel to the bottom plate of the tray and along a plane inclined with respect to the bottom plate. Since they are supported in parallel with each other, the amount of protrusion from the tray is suppressed as compared with the case where they are arranged in parallel on a plane perpendicular to the tray. The tray that stores the core wire branch part holder is
It may be the same as the tray that houses the connector holder, or may be separate. According to the optical wiring board of the second aspect, similarly to the optical wiring board of the first aspect, the amount of protrusion from the tray is suppressed as compared with the case where they are arranged in parallel on a plane perpendicular to the tray. .
【０００９】請求項３記載の光配線盤によれば、多連コ
ネクタの使用により底板からの突出寸法が縮小する。ま
た、光ファイバ心線の光接続を多連コネクタを介して行
なうことにより、接続やジャンパ切り替えの作業性が向
上する。According to the optical wiring board of the third aspect, the use of the multiple connector reduces the size of protrusion from the bottom plate. Further, by performing the optical connection of the optical fiber cores via the multiple connector, workability of connection and jumper switching is improved.
【００１０】請求項４記載の光配線盤によれば、コネク
タ支持帯の延在方向において隣接するコネクタホルダ間
において、光コネクタ同士をずらして挟持する。これに
より、コネクタホルダ間に光コネクタの着脱の作業スペ
ースを確保でき、コネクタホルダの配列ピッチの短縮が
可能になる。According to the optical wiring board of the fourth aspect, the optical connectors are staggered and sandwiched between the connector holders which are adjacent to each other in the extending direction of the connector supporting band. As a result, a work space for attaching and detaching the optical connectors can be secured between the connector holders, and the arrangement pitch of the connector holders can be shortened.
【００１１】[0011]
【実施例】以下本発明の光配線盤の一実施例を、図１か
ら図６を参照して説明する。前記光配線盤は、図１に示
すように、所定位置に固定設置される架体１内部に、架
体１の下部から立ち上がってくる光ファイバケーブル２
の口出し部から光ファイバコード３（光ファイバ心線）
の束を上側へ布線する導出部４ａと、該導出部４ａにお
いて光ファイバケーブル１から引き出された光ファイバ
コード３を図示しない融着接続部を介して単心分岐して
接続用コード３ａと接続し、かつ該接続用コード３ａの
コネクタ成端化された端部を収納する融着部トレー８を
架体１下側において多数積層状態に収納する融着部トレ
ー収納部Ｔ2と、架体１の内部の左側部に設けられ、各
融着部トレー８から引き出された多数の接続用コード３
ａを架体１内部において縦方向束状に支持し、かつ、こ
の接続用コード３ａの束から所定の本数の接続用コード
３ａを分岐する分岐部４と、分岐部４から分岐された接
続用コード３ａを内部において光アダプタ５（光コネク
タ。図２参照）および多心単心分岐部７（図２参照）を
介して分岐接続する分岐接続トレー６を架体１の上部に
おいて積層状態に収納する分岐接続トレー収納部Ｔ1と
を備えている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the optical wiring board of the present invention will be described below with reference to FIGS. As shown in FIG. 1, the optical distribution board has an optical fiber cable 2 rising from a lower portion of the frame 1 inside a frame 1 fixedly installed at a predetermined position.
Optical fiber cord 3 (optical fiber core wire)
4a for arranging the bundle of wires to the upper side, and the optical fiber cord 3 pulled out from the optical fiber cable 1 at the lead-out portion 4a is branched into a single core through a fusion splicing part (not shown) to form a connecting cord 3a. A fusion-bonding tray storage portion T2 for connecting a plurality of fusion-bonding portion trays 8 for accommodating the connector-terminated ends of the connecting cords 3a in a stacked state below the frame 1, and a frame. 1. A large number of connecting cords 3 provided on the left side inside 1 and pulled out from each fusion tray tray 8.
a for supporting a in the form of a vertical bundle inside the frame 1, and for branching a predetermined number of connecting cords 3a from the bundle of connecting cords 3a; A branch connection tray 6 for branching and connecting the cord 3a inside through an optical adapter 5 (optical connector; see FIG. 2) and a multi-core single-core branching portion 7 (see FIG. 2) is stored in a stacked state on the upper part of the frame 1. And a branch connection tray storage portion T1.
【００１２】分岐接続トレー収納部Ｔ1においては、異
なる分岐接続トレー６に収納されている接続用コード３
ａ同士が、前記光アダプタを経由して分岐接続トレー収
納部Ｔ1の右側部であって、架体１内部の右側面に沿っ
て複数本配線されたジャンパ用コード３ｂ（光ファイバ
心線）を介してジャンパ接続可能にコネクタ接続されて
いる。多心単心分岐部７は多心の光ファイバ心線を切り
分けて単心分岐したものを補強した分岐補強部である。In the branch connection tray storage section T1, the connection cords 3 stored in different branch connection trays 6 are connected.
a is a right side portion of the branch connection tray storage portion T1 via the optical adapter, and a plurality of jumper cords 3b (optical fiber core wires) are wired along the right side surface inside the frame 1. The connector is connected via a jumper. The multi-core single-core branching unit 7 is a branching reinforcing unit that reinforces a single-core branching of a multi-core optical fiber.
【００１３】前記架体１の正面には、図示しない開閉自
在の扉が取り付けられている。前記架体１の中央部から
上部には、複数の前記分岐接続トレー６を上下に積層状
態に支持することにより分岐接続トレー収納部Ｔ1を構
成する背面パネル９が架体１の背面壁に複数固定されて
いる。架体１の下部の背面壁には、背面パネル９より小
型に形成された背面パネル１０が複数固定されている。
この背面パネル１０は、複数の融着部トレー８とともに
融着部トレー収納部Ｔ2を構成する。A door (not shown) that can be opened and closed is attached to the front surface of the frame 1. A plurality of rear panels 9 are provided on the rear wall of the frame 1 from the center to the upper part of the frame 1 so as to support a plurality of the branch connection trays 6 in a vertically stacked state to form a branch connection tray storage portion T1. It is fixed. A plurality of rear panels 10 that are smaller than the rear panel 9 are fixed to the lower rear wall of the frame 1.
The back panel 10 constitutes a fusion-bonding tray storage portion T2 together with the plurality of fusion-bonding trays 8.
【００１４】架体１内の上下両端部と分岐接続トレーＴ
1と融着部トレー収納部Ｔ2との間には、この光配線盤と
接続される光ファイバ配線装置とを接続するためのケー
ブル余長を収納する余長収納棚１１が設けられている。
また、架体１の両側壁１２と分岐接続トレーＴ1と融着
部トレー収納部Ｔ2との間は光ファイバコード類を布線
する前記分岐部４とされ、一側（図１左側）の分岐部４
には、接続用コード３ａの束を把持固定する固定具１３
が、側壁１２の内面から架体１の内方に向けて複数突設
されている。他側（図１右側）の分岐部４には、前記ジ
ャンパ用コード３ｂを把持固定する固定具１３が、側壁
１２の内面から架体１の内方に向けて複数突設されてい
る。架体１下側の前記導出部４ａでは、架体１の側壁１
２の下部において突設されたケーブル固定具１３ａによ
って光ファイバケーブル２がクランプ固定されるように
なっている。The upper and lower ends of the frame 1 and the branch connection tray T
Between the 1 and the fusion tray tray accommodating portion T2, there is provided an extra length storage shelf 11 for accommodating an extra cable length for connecting the optical fiber wiring device connected to this optical wiring board.
Further, between the both side walls 12 of the frame 1, the branch connection tray T1 and the fusion tray tray accommodating section T2 is the branch section 4 for arranging optical fiber cords, and branching on one side (left side in FIG. 1). Part 4
Is a fixture 13 for gripping and fixing a bundle of connecting cords 3a.
However, a plurality of protrusions are provided from the inner surface of the side wall 12 toward the inside of the frame 1. A plurality of fixtures 13 for gripping and fixing the jumper cord 3b are provided on the branch portion 4 on the other side (right side in FIG. 1) so as to project from the inner surface of the side wall 12 toward the inside of the frame 1. At the lead-out portion 4 a below the frame 1, the side wall 1 of the frame 1
The optical fiber cable 2 is clamped and fixed by a cable fixing tool 13a protruding from the lower part of the optical fiber cable 2.
【００１５】図２に示すように、前記背面パネル９の架
体１への設置時における左右両端部には、背面パネル９
の上下方向の略全体に延在する取付部材１４が対向配置
され固定されている。この取付部材１４には、前記分岐
接続トレー６を支持するためのガイド棒１５が、背面パ
ネル９から垂直に突設する方向に複数固定されている。
これらガイド棒１５は、背面パネル９において上下位置
が互いに一致する対を形成するように左右の取付部材１
４に配置されている。前記ガイド棒１５は、ストロー状
のアウタガイド１６と、このアウタガイド１６内に摺動
自在に嵌挿されたロッド状のインナガイド１７とからな
り、インナガイド１７のアウタガイド１６先端からの突
出量をかえることにより伸縮自在になっている。インナ
ガイド１７の先端には、図３に示すように、ねじ１８が
螺着されている。融着部トレー８用の背面パネル１０に
も、ガイド棒１５が背面パネル９と同様に設けられてい
る。As shown in FIG. 2, the rear panel 9 is provided at both left and right ends when the rear panel 9 is installed on the frame 1.
The mounting members 14 extending substantially in the entire vertical direction are opposed to each other and fixed. A plurality of guide rods 15 for supporting the branch connection tray 6 are fixed to the mounting member 14 in a direction in which they are vertically projected from the rear panel 9.
These guide rods 15 are attached to the left and right mounting members 1 so as to form a pair in which the vertical positions on the rear panel 9 coincide with each other.
It is located at 4. The guide rod 15 includes a straw-shaped outer guide 16 and a rod-shaped inner guide 17 slidably fitted in the outer guide 16. The inner guide 17 protrudes from the tip of the outer guide 16. It can be expanded and contracted by changing. As shown in FIG. 3, a screw 18 is screwed on the tip of the inner guide 17. A guide bar 15 is also provided on the rear panel 10 for the fusion tray 8 in the same manner as the rear panel 9.
【００１６】前記分岐接続トレー６は、図２に示すよう
に、長方形平板状の底板１９の縁部の全周にわたって側
壁２０を有するトレー本体２１を主体して構成されてい
る。前記底板１９の中央部には、前記光アダプタ５を着
脱自在に支持するコネクタホルダ２２を１方向に複数配
列して構成したコネクタ支持帯２３が設けられている。
コネクタ支持帯２３の延在方向両端部には、これら列の
両端に位置するコネクタホルダ２２との間に光アダプタ
５を支持する端部ホルダ２２ａが設けられている。As shown in FIG. 2, the branch connection tray 6 is mainly composed of a tray main body 21 having a side wall 20 over the entire circumference of an edge of a rectangular flat plate-like bottom plate 19. At the center of the bottom plate 19, there is provided a connector support band 23 formed by arranging a plurality of connector holders 22 for detachably supporting the optical adapter 5 in one direction.
At both ends of the connector support band 23 in the extending direction, end holders 22a that support the optical adapter 5 are provided between the connector holders 23 and the connector holders 22 located at both ends of the row.
【００１７】前記コネクタホルダ２２は、プラスチック
あるいはゴム等の弾性体によって形成され、図４および
図５に示すように、前記底板１９から突設された平面視
Ｌ字状の突起２４を二つ組み合わせて構成されている。
同一のコネクタホルダ２２を構成する二つの突起２４の
間には、光アダプタ５のフランジ２５が嵌合可能な開口
部形状を有するクリアランス２６が設けられている。な
お、前記光アダプタ５は、図７に示すように、図示しな
いＳＣ形光コネクタのジルコニアフェルールの位置決め
リングを内蔵し、単心のＳＣ形コネクタの中間部を構成
するＳＣ形光アダプタである。The connector holder 22 is made of an elastic material such as plastic or rubber, and as shown in FIGS. 4 and 5, two L-shaped projections 24 projecting from the bottom plate 19 are combined. Is configured.
A clearance 26 having an opening shape into which the flange 25 of the optical adapter 5 can be fitted is provided between the two protrusions 24 forming the same connector holder 22. As shown in FIG. 7, the optical adapter 5 is an SC type optical adapter which incorporates a positioning ring for a zirconia ferrule of an SC type optical connector (not shown) and constitutes an intermediate portion of a single-core SC type connector.
【００１８】前記クリアランス２６は、概略Ｓ字状であ
って、コネクタ支持帯２３の延在方向に隣り合うコネク
タホルダ２２同士ではＳ字の向きが逆であり、各コネク
タホルダ２２のコネクタ支持帯２３延在方向両側でクリ
アランス２６の開口部がコネクタ支持帯２３幅方向（図
４上下方向）にずれている。しかも、隣接するコネクタ
ホルダ２２の任意の対の間において対向するクリアラン
ス２６の開口部同士が同一直線上に位置されている。こ
の結果、コネクタ支持帯２３においては、各コネクタホ
ルダ２２間における前記光アダプタ５の支持位置が、コ
ネクタ支持帯２３延在方向に隣り合う同士をコネクタ支
持帯２３の幅方向にずらした千鳥状になっている。The clearance 26 is generally S-shaped, and the S-directions of the connector holders 22 adjacent to each other in the extending direction of the connector support bands 23 are opposite to each other, and the connector support bands 23 of the respective connector holders 22. The openings of the clearance 26 are offset in the width direction of the connector support band 23 (vertical direction in FIG. 4) on both sides in the extending direction. Moreover, the openings of the clearances 26 facing each other between any pair of the adjacent connector holders 22 are located on the same straight line. As a result, in the connector support band 23, the support positions of the optical adapters 5 between the connector holders 22 are arranged in a staggered pattern in which adjacent members in the extending direction of the connector support band 23 are displaced in the width direction of the connector support band 23. Has become.
【００１９】図２に示すように、底板１９においてコネ
クタ支持帯２３の両側部には、外周に接続用コード３ａ
を卷装することによりその湾曲半径を維持する計３基の
リール２７と、多心単心分岐部（ファンアウト）７を挟
持する心線分岐部ホルダ２８とが取り付けられている。
前記心線分岐部ホルダ２８は、プラスチックあるいはゴ
ム等の弾性体によって形成され、図２および図６に示す
ように、一定幅を有する突条であって、略小型円筒形状
の多心単心分岐部７をその光接続軸線を底板１９と平行
としてクランプするクランプホルダ２９が、前記光接続
軸線を底板１９に対して傾斜した平面に沿って並列させ
るように２個一対として心線分岐部ホルダ２８の長手方
向に沿って複数対連設されている。前記クランプホルダ
２９の内径は、多心単心分岐部７と同径かあるいはやや
小さく形成されている。As shown in FIG. 2, the connecting cord 3a is provided on the outer periphery of the bottom plate 19 on both sides of the connector supporting band 23.
A total of three reels 27 that maintain the bending radius by mounting the core and a core wire branch portion holder 28 that holds the multi-core single-core branch portion (fan-out) 7 are attached.
The core wire branch portion holder 28 is formed of an elastic body such as plastic or rubber, has a certain width as shown in FIGS. 2 and 6, and has a substantially small cylindrical shape. A clamp holder 29 for clamping the optical connection axes of the parts 7 in parallel with the bottom plate 19 is a pair of core wire branch part holders 28 so that the optical connection axes are juxtaposed along a plane inclined with respect to the bottom plate 19. A plurality of pairs are continuously provided along the longitudinal direction. The inner diameter of the clamp holder 29 is the same as or slightly smaller than that of the multi-core single-core branch portion 7.
【００２０】底板１９の前記コネクタ支持帯２３近傍に
は、分岐接続トレー６内の収納回線等表示する表示板Ｐ
が装着されている。底板１９の心線分岐部ホルダ２８近
傍には、底板１９上に配線される接続用コード３ａを簡
便に固定するための固定具Ｓが突設されている。In the vicinity of the connector support band 23 of the bottom plate 19, a display plate P for displaying the storage lines in the branch connection tray 6 and the like.
Is installed. In the vicinity of the core wire branching portion holder 28 of the bottom plate 19, a fixture S for easily fixing the connecting cord 3a wired on the bottom plate 19 is provided in a protruding manner.
【００２１】底板１９の両短辺の各側壁２０の中央部に
は、図２に示すように、接続用コード３ａの出入口３０
が設けられている。また、これら側壁２０の外面の奥側
（図２紙面右奥）にはガイド棒１５のアウタガイド１６
と係合する第１の係合片３１が固定され、手前側（図２
紙面左手前側）にはインナガイド１７と係合する融着部
係合片３２が固定されている。前記融着部係合片３２
は、図３に示すように、インナガイド１７の先端に螺着
されたねじ１８上に載置することにより、ねじ１８でイ
ンナガイド１７との間に締め付け固定されるようになっ
ている。At the center of each side wall 20 on both short sides of the bottom plate 19, as shown in FIG.
Is provided. Further, the outer guide 16 of the guide bar 15 is provided on the inner side of the outer surface of the side wall 20 (on the far right side in the drawing of FIG. 2).
The first engagement piece 31 that engages with is fixed, and the front side (FIG.
A fusion-bonding portion engagement piece 32 that engages with the inner guide 17 is fixed to the left front side of the paper surface. The fused portion engaging piece 32
As shown in FIG. 3, by mounting on the screw 18 screwed to the tip of the inner guide 17, the screw 18 is tightened and fixed between the inner guide 17 and the inner guide 17.
【００２２】底板１９の長辺側に位置する側壁２０の外
面には、背面パネル９に磁気吸着する板状の吸着部材３
３が取り付けられている。この吸着部材３３は、背面パ
ネル９の吸着力によって架体１からの分岐接続トレー６
の急速突出を防止するようになっている。On the outer surface of the side wall 20 located on the long side of the bottom plate 19, a plate-shaped attracting member 3 which magnetically attracts the back panel 9 is formed.
3 is attached. The suction member 33 is connected to the branch connection tray 6 from the frame 1 by the suction force of the rear panel 9.
It is designed to prevent the rapid protrusion of.
【００２３】前記光配線盤においては、光ファイバケー
ブル２が架体１の下方から導出部４ａに導入、固定さ
れ、この導出部４ａにおいて口出しされた光ファイバケ
ーブル２の先端から導出した光ファイバコード３の束が
分岐され、これら光ファイバコード３の所定本数がそれ
ぞれ融着部トレー８のいずれかに配線される。融着部ト
レー８内においては、この光ファイバコード３が図示し
ない融着接続部を介して、接続用コード３ａと接続され
る。この接続用コード３ａは、分岐接続トレーＴ1と融
着部トレー収納部Ｔ2の間に位置する余長収納棚１１の
上側または裏側を通って分岐接続トレー収納部Ｔ1の側
部の分岐部４を経由して、それぞれの先端が分岐接続ト
レー６に配線される。分岐接続トレー収納部Ｔ1の左側
部であって、架体１の左側壁１２内面に沿った分岐部４
においては、接続用コード３ａは、コード留めの固定具
１３に仮固定される。In the optical distribution board, the optical fiber cable 2 is introduced into and fixed to the lead-out portion 4a from below the frame 1, and the optical fiber cord is led out from the tip of the optical fiber cable 2 which is led out at the lead-out portion 4a. A bundle of 3 is branched, and a predetermined number of these optical fiber cords 3 are wired to any one of the fusion trays 8. In the fusion portion tray 8, the optical fiber cord 3 is connected to the connection cord 3a via a fusion splicing portion (not shown). The connecting cord 3a passes through the upper side or the back side of the extra length storage shelf 11 located between the branch connection tray T1 and the fusion section tray storage section T2 to connect the branch section 4 on the side of the branch connection tray storage section T1. The respective ends are wired to the branch connection tray 6 via. The branch portion 4 along the inner surface of the left side wall 12 of the frame 1, which is the left side portion of the branch connection tray storage portion T1.
In, the connecting cord 3a is temporarily fixed to the fixing device 13 for fixing the cord.
【００２４】架体１の右側側壁１２内面であって、分岐
接続トレー収納部Ｔ1の右側の分岐部４には、分岐接続
トレー６同士をジャンパ接続する複数のジャンパ用コー
ド３ｂが布線されている。このジャンパ用コード３ｂ
は、コード留めの固定具１３によって架体１の側壁１２
に沿って仮固定される。また、ジャンパ用コード３ｂの
内の一部は、架外ジャンパ用として、分岐接続トレー収
納部Ｔ1の上端部または架体１の下端部に開口された図
示しない開口部を経由して光コネクタケーブルとして架
体１の外方に導出されている。また、ジャンパ用コード
３ｂの余長は、前記右側壁１２の内面に沿って垂れ下が
るように布線されて接続余長、あるいは、引出余長が確
保されている。A plurality of jumper cords 3b for jumper-connecting the branch connection trays 6 are arranged on the inner surface of the right side wall 12 of the frame 1 and on the right side of the branch connection tray storage portion T1. There is. This jumper cord 3b
Is a side wall 12 of the body 1 by means of a cord fastening fixture 13.
Is temporarily fixed along. Further, a part of the jumper cord 3b is used as an outside jumper, and passes through an opening (not shown) opened at the upper end of the branch connection tray storage portion T1 or the lower end of the frame 1 to connect the optical connector cable. Is led out of the frame 1. Further, the extra length of the jumper cord 3b is wired so as to hang down along the inner surface of the right side wall 12 to secure the extra connection length or the extra drawing length.
【００２５】分岐接続トレー６に配線された接続用コー
ド３ａは、一側（図２中左側）の出入口３０を介して分
岐接続トレー６内部に引き込まれ、固定具Ｓによる引き
留め部分を介して適当に湾曲されながら出入口３０に戻
る方向に引き回され、多心単心分岐部７において単心分
岐される。接続用コード３ａから単心分岐された光ファ
イバ心線３ｃの心線は、リール２７の周囲に卷回するこ
とにより余長が確保された上、コネクタホルダ２２に支
持された光アダプタ５においてジャンパ用コード３ｂと
コネクタ接続される。光アダプタ５での光接続は、図４
に示すように、接続する接続用コード３ａの光ファイバ
心線３ｃおよびジャンパ用コード３ｂの端部をコネクタ
成端してプラグ３４を設け、プラグ３４を光アダプタ５
の先端から差し込むことにより、接続用コード３ａとジ
ャンパ用コード３ｂとを接続する。光アダプタ５はコネ
クタホルダ２２の間に嵌め込み、多心単心分岐部７は心
線分岐部ホルダ２８の各クランプホルダ２９に挟持す
る。また、これら光接続によって生じるジャンパ用コー
ド３ｂの接続余長は分岐接続トレー６の他側に２基配置
されたリール２７を利用して、規定以上の湾曲半径を有
して湾曲処理される。これら接続余長には、背面パネル
９に対する分岐接続トレー６の引き出し時に引き出され
る引き出し余長が出入口３０近傍に確保される。The connecting cord 3a wired to the branch connection tray 6 is drawn into the branch connection tray 6 through the entrance 30 on one side (left side in FIG. 2), and is appropriately inserted through the retaining portion by the fixture S. The multi-core single-core branching unit 7 branches the single core in a direction in which the multi-core single-core branching unit 7 bends in a direction returning to the entrance 30. The core of the optical fiber core 3c branched from the connecting cord 3a is wound around the reel 27 to secure an extra length, and a jumper in the optical adapter 5 supported by the connector holder 22. It is connected to the cord 3b by a connector. The optical connection with the optical adapter 5 is shown in FIG.
As shown in FIG. 3, the ends of the optical fiber core wire 3c of the connecting cord 3a and the jumper cord 3b to be connected are terminated with a connector to provide a plug 34, and the plug 34 is attached to the optical adapter 5
The connecting cord 3a and the jumper cord 3b are connected by inserting from the tip of the. The optical adapter 5 is fitted between the connector holders 22, and the multi-core single-core branch part 7 is sandwiched between the clamp holders 29 of the core wire branch part holder 28. Further, the extra connection length of the jumper cord 3b caused by these optical connections is curved by using two reels 27 arranged on the other side of the branch connection tray 6 so as to have a curvature radius larger than a prescribed radius. With respect to these connection extra lengths, a pull-out extra length that is pulled out when the branch connection tray 6 is pulled out from the rear panel 9 is secured in the vicinity of the entrance / exit 30.
【００２６】分岐接続トレー６において光アダプタ５お
よび多心単心分岐部７の収納と余長処理の完了後には、
分岐接続トレー６をガイド棒１５に支持して架体１内の
所定場所に収納する。この際、分岐接続トレー６は、第
１の係合片３１がアウタガイド１６に該アウタガイド１
６の長手方向に摺動自在に支持され、第２の係合片３２
がインナガイド１７先端に固定されているが、インナガ
イド１７がアウタガイド１６に対して摺動自在なので、
手前側に引き出すことにより、ガイド棒１５に支持され
つつ安定に引き出されるようになっている。After the optical adapter 5 and the multi-core single-core branch unit 7 are stored in the branch connection tray 6 and the extra length processing is completed,
The branch connection tray 6 is supported by the guide bar 15 and is housed in a predetermined place in the frame 1. At this time, in the branch connection tray 6, the first engagement piece 31 is attached to the outer guide 16 by the outer guide 1.
6 is slidably supported in the longitudinal direction of the second engagement piece 32.
Is fixed to the tip of the inner guide 17, but since the inner guide 17 is slidable with respect to the outer guide 16,
By pulling it out to the front side, it is stably pulled out while being supported by the guide rod 15.
【００２７】融着部トレー８には、融着接続部および接
続用コード３ａの接続余長が収納されている。また、融
着部トレー８の融着部トレー収納部Ｔ2に対する収納構
造は分岐接続トレー６の分岐接続トレー収納部Ｔ1に対
する収納構造と同様である。The fusion splicing tray 8 accommodates the splicing splicing portion and the extra connection length of the splicing cord 3a. The storage structure of the fusion tray 8 for the fusion tray storage T2 is similar to the storage structure of the branch connection tray 6 for the branch connection tray storage T1.
【００２８】本実施例の光配線盤によれば、光コネクタ
としてＳＣ形光アダプタ５を用いたので、分岐接続トレ
ー６の厚さ寸法を縮小することができる。すなわち、２
心の接続用コード３ａとジャンパ用コード３ｂとの光接
続においては、単心アダプタを２基用いた場合の厚さは
従来１８．８ｍｍであったが、２連ＳＣアダプタを用い
た場合には１７．９ｍｍに縮小する。加えて、ＳＣ形光
アダプタ５の使用により接続用コード３ａとジャンパ用
コード３ｂの光接続が一度で出来、光接続の作業能率が
向上する。According to the optical distribution board of this embodiment, since the SC type optical adapter 5 is used as the optical connector, the thickness of the branch connection tray 6 can be reduced. Ie 2
In the optical connection between the core connecting cord 3a and the jumper cord 3b, the thickness when using two single-core adapters was 18.8 mm in the past, but when using the dual SC adapter, Reduce to 17.9 mm. In addition, by using the SC type optical adapter 5, the connection cord 3a and the jumper cord 3b can be optically connected at once, and the work efficiency of the optical connection is improved.
【００２９】また、これらコネクタホルダ２２によって
支持される光アダプタ５の支持位置がコネクタ支持帯２
３において千鳥状に配置されているので、各コネクタホ
ルダ２２の周囲に光アダプタ５の着脱の作業スペースが
十分に確保でき、コネクタ支持帯２３延在方向における
コネクタホルダ２２の設置ピッチを縮小することができ
る。すなわち、コネクタホルダ２２の設置ピッチは、直
線配置の場合には２３ｍｍ必要であるのに対し、千鳥配
置とした場合には２１ｍｍに縮小する。このため、例え
ば、１２個並べる場合の必要設置長は、直線配置の２７
６ｍｍに対して千鳥配置が２５２ｍｍであり、２４ｍｍ
の短縮になる。このことにより、分岐接続トレー６の奥
行き（図１紙面奥行き、図２右上から左下）寸法が縮小
する。The support position of the optical adapter 5 supported by these connector holders 22 is determined by the connector support band 2.
3 are arranged in a zigzag manner, so that a work space for attaching and detaching the optical adapter 5 can be sufficiently secured around each connector holder 22, and the installation pitch of the connector holder 22 in the extending direction of the connector support band 23 can be reduced. You can That is, the installation pitch of the connector holders 22 is 23 mm in the case of the linear arrangement, but is reduced to 21 mm in the case of the staggered arrangement. Therefore, for example, the required installation length when arranging 12 pieces is 27
Staggered arrangement is 252 mm for 6 mm, 24 mm
Will be shortened. As a result, the depth of the branch connection tray 6 (depth in the plane of FIG. 1, top right to bottom left in FIG. 2) is reduced.
【００３０】さらに、前記心線分岐部ホルダ２８におい
て対を構成するクランプホルダ２９が底板１９に対して
傾斜する平面に沿って形成されているので、分岐接続ト
レー６や融着部トレー８の厚さ寸法の縮小が容易であ
る。すなわち、例えば、計２心の多心単心分岐部７をク
ランプする場合、クランプ２９を底板１９に対して垂直
方向に連設すれば心線分岐部ホルダ２８に２０ｍｍの厚
さ寸法が必要だが、６０°傾斜した平面に連設すれば前
記厚さ寸法は１８．７ｍｍで済む。Further, since the clamp holders 29 forming a pair in the core wire branch portion holder 28 are formed along a plane inclined with respect to the bottom plate 19, the thickness of the branch connection tray 6 and the fusion portion tray 8 is increased. The size can be easily reduced. That is, for example, in the case of clamping the multi-core single-core branch portion 7 having a total of two cores, if the clamp 29 is continuously provided in the vertical direction with respect to the bottom plate 19, the core wire branch portion holder 28 needs to have a thickness of 20 mm. The thickness dimension of 18.7 mm can be obtained by continuously connecting to a plane inclined by 60 °.
【００３１】この結果、分岐接続トレー６や融着部トレ
ー８の厚さ寸法を縮小でき、架体１における光アダプタ
５や多心単心分岐部７の収納密度を向上することができ
るとともに、収納や引き出しの作業性も確保することが
できる。したがって、より多心の光ファイバケーブルの
接続分岐にも対応することができる。加えて、分岐接続
トレー６にあっては、奥行き寸法が縮小できるので、架
体１の小型化が可能である。As a result, the thickness of the branch connection tray 6 and the fusion tray 8 can be reduced, the storage density of the optical adapter 5 and the multi-core single-core branch section 7 in the frame 1 can be improved, and Workability of storage and drawer can be secured. Therefore, it is possible to cope with a connection branch of a multi-fiber optical fiber cable. In addition, since the depth dimension of the branch connection tray 6 can be reduced, the frame 1 can be downsized.
【００３２】なお、この光配線盤は、光コネクタ付きコ
ードやファンアウトコードを複数収納する光成端架、配
線盤、成端箱、接続箱にも適用できる。コネクタホルダ
２２と多心単心分岐部７とは、別々のトレーに設置する
ようにしてもよい。前記心線分岐部ホルダ２８に形成す
るクランプホルダ２９は、２個一対以外、さらに多数で
一組としてもよい。また、心線分岐部ホルダ２８は、一
つのトレーに複数設置してもよく、この場合千鳥状に配
置することも可能である。The optical wiring board can also be applied to an optical termination rack for storing a plurality of cords with optical connectors and fan-out cords, a wiring board, a termination box, and a connection box. The connector holder 22 and the multi-core single-core branch section 7 may be installed in different trays. The number of the clamp holders 29 formed on the core wire branch portion holder 28 is not limited to the pair of two clamp holders 29, and a larger number of clamp holders 29 may be set as one set. Further, a plurality of the core wire branch portion holders 28 may be installed in one tray, and in this case, they may be arranged in a staggered manner.
【００３３】[0033]
【発明の効果】以上説明したように、請求項１記載の光
配線盤によれば、架体と、光ファイバケーブルから導出
された光ファイバ心線または該光ファイバ心線と光接続
可能に架体内に配線される光ファイバ心線を複数本まと
めて支持し、かつ適切位置で分岐可能に収納する分岐部
と、該分岐部において分岐された光ファイバ心線同士を
内部において前記光コネクタを介して接続するトレーを
積層状態に収納し、かつ出し入れ自在に支持するトレー
収納部とを備えてなり、前記光コネクタが複数の光ファ
イバ心線を一体的に光接続する多連コネクタであり、前
記トレーに前記光コネクタをその光接続軸線をトレーの
底板と略平行として着脱自在に挟持するコネクタホルダ
を複数設置したので、複数の単心光コネクタを使用する
場合に比して底板からの突出寸法が縮小してトレーの厚
さ寸法を縮小でき、架体への光コネクタや接続余長の収
納密度を向上することができる。また、多連コネクタの
使用により、光ファイバ心線同士の光接続が容易に出
来、光接続やトレーへの収納の作業能率が向上する上、
光コネクタが多数のトレーに整理して収納されるので、
目的の光コネクタの取り出しの作業能率も向上する。As described above, according to the optical distribution board of the first aspect, the frame and the optical fiber core wire derived from the optical fiber cable or the optical fiber core wire that can be optically connected to the optical fiber core wire. A branch portion that supports a plurality of optical fiber core wires that are wired in the body collectively and that can be branched at an appropriate position, and optical fiber core wires that are branched at the branch portion are internally provided via the optical connector. A plurality of optical fiber cores are integrally and optically connected to each other, and the optical connector is a multi-connector for accommodating trays to be connected in a stacked state and supporting the trays to be freely taken out and put in. Since a plurality of connector holders for detachably sandwiching the optical connector with the optical connection axis of the optical connector being substantially parallel to the bottom plate of the tray are installed on the tray, the bottom plate can be compared with the case where a plurality of single-core optical connectors are used. Shrinking projecting dimension of al can be reduced thickness of the tray, it is possible to improve the storage density of the optical connector or connected extra length on a frame member. In addition, the use of multiple connectors facilitates optical connection between optical fiber cores, improving work efficiency of optical connection and storage in trays.
As the optical connectors are organized and stored in multiple trays,
The work efficiency of taking out the desired optical connector is also improved.
【００３４】請求項２記載の光配線盤では、底板に、前
記コネクタホルダが１方向に複数配列されてなる帯状の
コネクタ支持帯が設けられ、これらコネクタホルダに支
持される光コネクタの支持位置を前記コネクタ支持帯の
延在方向に隣り合う同士で互いの位置をずらして配置し
たので、各コネクタホルダの周囲に光コネクタの着脱の
作業スペースが十分に確保できて、コネクタ支持帯の延
在方向におけるコネクタホルダの設置ピッチを縮小する
ことができ、トレーの小型化が可能となって、架体にお
ける光コネクタや接続余長等の収納密度が向上する。In the optical wiring board according to a second aspect of the present invention, the bottom plate is provided with a strip-shaped connector support band in which a plurality of the connector holders are arranged in one direction, and the support positions of the optical connectors supported by these connector holders are set. Since the positions adjacent to each other in the extending direction of the connector support band are displaced from each other, a sufficient working space for attaching and detaching the optical connector can be secured around each connector holder, and the extending direction of the connector support band The installation pitch of the connector holder in can be reduced, the tray can be miniaturized, and the storage density of the optical connector and extra connection length in the frame can be improved.
【００３５】請求項３記載の光配線盤では、トレーに複
数の多心単心分岐部を着脱自在に挟持する心線分岐部ホ
ルダを１以上設け、これら心線分岐部ホルダに、前記多
心単心分岐部をトレーの底板と平行としてクランプする
クランプホルダを前記底板に対して傾斜した平面に沿っ
て並列させるように複数連設したので、底板に対して垂
直な平面に沿って並列した場合に比してトレーの厚さ寸
法を縮小でき、架体における光アダプタや接続余長等の
収納密度が向上する。また、多心単心分岐部が多数のト
レーに整理して収納されるので、目的の光コネクタの取
り出しの作業能率が向上する。In the optical distribution board according to the present invention, one or more core wire branch holders for detachably sandwiching a plurality of multi-core single core branch parts are provided on the tray, and the multi-core branch part holders are provided with the multiple cores. When a plurality of clamp holders that clamp the single-core branch portion in parallel with the bottom plate of the tray are arranged in parallel along a plane inclined with respect to the bottom plate, so that the holders are arranged along a plane perpendicular to the bottom plate. Compared with the above, the thickness of the tray can be reduced, and the storage density of the optical adapter and extra connection length in the frame can be improved. Moreover, since the multi-core single-fiber branch portion is organized and stored in a large number of trays, the work efficiency of taking out the intended optical connector is improved.
【図１】 本発明の光配線盤の一実施例を示す正面図で
ある。FIG. 1 is a front view showing an embodiment of an optical distribution board of the present invention.
【図２】 本発明の光配線盤の一実施例を示す図であっ
て、トレー収納部を示す斜視図である。FIG. 2 is a diagram showing an embodiment of the optical wiring board of the present invention, and is a perspective view showing a tray housing portion.
【図３】 本発明の光配線盤の一実施例を示す図であっ
て、インナガイド先端を示す拡大斜視図である。FIG. 3 is a view showing an embodiment of the optical wiring board of the present invention, and is an enlarged perspective view showing the tip of the inner guide.
【図４】 本発明の光配線盤の一実施例を示す図であっ
て、コネクタホルダを示す拡大平面図である。FIG. 4 is a view showing an embodiment of the optical wiring board of the present invention, and is an enlarged plan view showing a connector holder.
【図５】 図４のコネクタホルダを示す拡大側面図であ
る。5 is an enlarged side view showing the connector holder of FIG. 4. FIG.
【図６】 本発明の光配線盤の一実施例を示す図であっ
て、心線分岐部ホルダを示す拡大側面図である。FIG. 6 is a diagram showing an embodiment of the optical distribution board of the present invention, and is an enlarged side view showing a core wire branch portion holder.
【図７】 本発明の光配線盤の一実施例を示す図であっ
て、光アダプタを示す斜視図である。FIG. 7 is a diagram showing an embodiment of the optical wiring board of the present invention, and is a perspective view showing an optical adapter.
１…架体、２…光ファイバケーブル、３…光ファイバ心
線（光ファイバコード）、３ａ…光ファイバ心線（接続
用コード）、３ｂ…光ファイバ心線（ジャンパ用コー
ド）、４…分岐部、５…光コネクタ（光アダプタ）、６
…トレー（分岐接続トレー）、７…多心単心分岐部、１
９…底板、２２…コネクタホルダ、２３…コネクタ支持
帯、２８…心線分岐部ホルダ、２９…クランプホルダ、
Ｔ1…トレー収納部（分岐接続トレー収納部）。1 ... Frame, 2 ... Optical fiber cable, 3 ... Optical fiber core wire (optical fiber cord), 3a ... Optical fiber core wire (connection cord), 3b ... Optical fiber core wire (jumper cord), 4 ... Branch Part, 5 ... Optical connector (optical adapter), 6
... Tray (branch connection tray), 7 ... Multi-core single-core branch part, 1
9 ... Bottom plate, 22 ... Connector holder, 23 ... Connector support band, 28 ... Core wire branch portion holder, 29 ... Clamp holder,
T1 ... Tray storage (branch connection tray storage).
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭55−95905（ＪＰ，Ａ) 特開 平８−179136（ＪＰ，Ａ) 特開 平４−291207（ＪＰ，Ａ) 特開 平１−102406（ＪＰ，Ａ) 実開 平６−69907（ＪＰ，Ｕ) 実開 平６−16906（ＪＰ，Ｕ) 実開 平５−20004（ＪＰ，Ｕ) 実開 平２−5707（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.7，ＤＢ名) G02B 6/00 G02B 6/24 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-55-95905 (JP, A) JP-A 8-179136 (JP, A) JP-A 4-291207 (JP, A) JP-A 1- 102406 (JP, A) Actual flat 6-69907 (JP, U) Actual flat 6-16906 (JP, U) Actual flat 5-20004 (JP, U) Actual flat 2-5707 (JP, U) (58) Fields surveyed (Int.Cl. 7 , DB name) G02B 6/00 G02B 6/24
Claims (4)
ァイバコードを多心単心分岐部（７）を介して別の光フ
ァイバケーブルに分岐および接続するための光配線盤に
おいて、 架体（１）と、 光ファイバケーブルあるいは光ファイバコードから導出
された光ファイバ心線（３）または該光ファイバ心線と
光接続可能に架体内に配線される光ファイバ心線（３
ａ、３ｂ）を複数本まとめて支持し、かつ適切位置で分
岐可能に収納する分岐部（４）と、 該分岐部において分岐された光ファイバ心線を内部にお
いて前記多心単心分岐部を介して接続するトレー（６）
を積層状態に収納し、かつ出し入れ自在に支持するトレ
ー収納部（Ｔ1）とを備えてなり、 前記多心単心分岐部が、前記光ファイバ心線を分岐でき
るようにされ、 前記トレーには複数の多心単心分岐部を着脱自在に挟持
する心線分岐部ホルダ（２８）が１以上設けられ、該心
線分岐部ホルダには、前記多心単心分岐部をトレーの底
板（１９）と平行としてクランプするクランプホルダ
（２９）が、底板に対して傾斜した平面に沿って並列さ
せるように複数連設されていることを特徴とする光配線
盤。1. An optical distribution board for branching and connecting an optical fiber cable (2) or an optical fiber cord to another optical fiber cable via a multi-core single-core branching part (7), the frame (1) And an optical fiber core wire (3) derived from an optical fiber cable or an optical fiber cord, or an optical fiber core wire (3) wired in the frame so as to be optically connectable with the optical fiber core wire.
a) and 3b) are collectively supported and accommodated so as to be branched at an appropriate position, and an optical fiber core branched at the branch is internally provided with the multi-core single-core branch. Trays connected via (6)
And a tray storage portion (T1) that stores the sheets in a stacked state and supports them so that they can be freely taken in and out, and the multi-core single-core branching portion is configured to branch the optical fiber core wire, One or more core wire branch holders (28) for detachably sandwiching a plurality of multi-core single core branch parts are provided, and the multi-core single core branch parts are provided in the bottom plate (19) of the tray. The optical wiring board is characterized in that a plurality of clamp holders (29) that are clamped in parallel with (1) are arranged in parallel along a plane inclined with respect to the bottom plate.
イバコードを分岐部（７）を介して別の光ファイバケー
ブルに分岐および接続するための光配線盤において、 架体（１）と、 光ファイバケーブルあるいは光ファイバコードから導出
された光ファイバ心線（３）または該光ファイバ心線と
光接続可能に架体内に配線される光ファイバ心線（３
ａ、３ｂ）を、内部において前記分岐部を介して接続す
るトレー（６）を積層状態に収納し、かつ出し入れ自在
に支持するトレー収納部（Ｔ1）とを備えてなり、 前記分岐部が、前記光ファイバ心線を分岐できるように
され、 前記トレーには複数の分岐部を着脱自在に挟持する心線
分岐部ホルダ（２８）が１以上設けられ、該心線分岐部
ホルダには、前記分岐部をトレーの底板（１９）と平行
としてクランプするクランプホルダ（２９）が、底板に
対して傾斜した平面に沿って並列させるように複数連設
されていることを特徴とする光配線盤。2. An optical distribution board for branching and connecting an optical fiber cable (2) or an optical fiber cord to another optical fiber cable via a branch part (7), the frame (1) and the optical fiber. An optical fiber core wire (3) derived from a cable or an optical fiber cord, or an optical fiber core wire (3) wired in the frame so as to be optically connectable with the optical fiber core wire.
a) and 3b), and a tray storage portion (T1) for internally storing trays (6) connected to each other via the branch portion in a stacked state and supporting the tray (6) so that the tray (6) can be freely taken in and out. The optical fiber core wire can be branched, and the tray is provided with one or more core wire branch holders (28) for detachably sandwiching a plurality of branch parts. An optical distribution board, wherein a plurality of clamp holders (29) for clamping a branch portion in parallel with a bottom plate (19) of a tray are arranged in parallel along a plane inclined with respect to the bottom plate.
て、 前記光ファイバケーブル（２）あるいは光ファイバコー
ドと、前記別の光ファイバケーブルとが、光コネクタ
（５）を介して接続され、 前記光コネクタが複数の光ファイバ心線を一体的に光接
続する多連コネクタであり、 前記トレーには前記光コネクタをその光接続軸線をトレ
ーの底板（１９）と略平行として着脱自在に挟持するコ
ネクタホルダ（２２）が複数設置されていることを特徴
とする光配線盤。3. The optical wiring board according to claim 1, wherein the optical fiber cable (2) or the optical fiber cord and the another optical fiber cable are connected via an optical connector (5), The optical connector is a multiple connector for integrally optically connecting a plurality of optical fiber core wires, and the optical connector is detachably clamped in the tray with its optical connection axis being substantially parallel to the bottom plate (19) of the tray. An optical distribution board having a plurality of connector holders (22) installed therein.
されてなる帯状のコネクタ支持帯（２３）が設けられ、
これらコネクタホルダに支持される光コネクタの支持位
置が前記コネクタ支持帯の延在方向に隣り合う同士で互
いの位置をずらして配置されていることを特徴とする光
配線盤。4. The optical wiring board according to claim 3, wherein the bottom plate is provided with a strip-shaped connector support strip (23) formed by arranging a plurality of the connector holders in one direction.
An optical wiring board, wherein the supporting positions of the optical connectors supported by these connector holders are arranged such that they are adjacent to each other in the extending direction of the connector supporting band and their positions are displaced from each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP04888395A JP3516765B2 (en) | 1995-03-08 | 1995-03-08 | Optical distribution frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP04888395A JP3516765B2 (en) | 1995-03-08 | 1995-03-08 | Optical distribution frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08248235A JPH08248235A (en) | 1996-09-27 |
| JP3516765B2 true JP3516765B2 (en) | 2004-04-05 |
Family
ID=12815690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP04888395A Expired - Fee Related JP3516765B2 (en) | 1995-03-08 | 1995-03-08 | Optical distribution frame |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3516765B2 (en) |
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