JP2004361893A - Splicing unit - Google Patents

Splicing unit Download PDF

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Publication number
JP2004361893A
JP2004361893A JP2003163475A JP2003163475A JP2004361893A JP 2004361893 A JP2004361893 A JP 2004361893A JP 2003163475 A JP2003163475 A JP 2003163475A JP 2003163475 A JP2003163475 A JP 2003163475A JP 2004361893 A JP2004361893 A JP 2004361893A
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Japan
Prior art keywords
unit
outer chassis
main body
unit body
optical fiber
Prior art date
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Granted
Application number
JP2003163475A
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Japanese (ja)
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JP4093475B2 (en
Inventor
Kisou Takagi
競 高木
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Kawamura Electric Inc
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Kawamura Electric Inc
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Filing date
Publication date
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Priority to JP2003163475A priority Critical patent/JP4093475B2/en
Publication of JP2004361893A publication Critical patent/JP2004361893A/en
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a splicing unit superior in wiring workability of optical fibers. <P>SOLUTION: The splicing unit 1 is composed of a unit body 2 and an outer chassis 3, with the front of the unit body 2 being openably butterflied of an adapter panel 11 provided with a large number of adapters 10, and the unit body 2 is slidably stored, in the front and rear directions in the outer chassis 3 opening to the front. A latch 24 is provided on the lower part of the front of the unit body 2 and can be held so as not to be sprung when being stored in the outer chassis 3; in addition, a rod-like stopper 28 fixed on the outer chassis 3 is inserted in a slot 29 of a rail 20 of the lower face of the unit body 2 which is provided so as not to slip off, when the unit body 2 is pulled out. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

【０００１】
【発明の属する技術分野】
本発明は、光配線盤やラック等にマウントして取り付けられ、光ファイバの接続部と余長を収納するためのスプライスユニットに関する。
【０００２】
【従来の技術】
従来のスプライスユニットは、箱状に形成したユニット本体の内部に光ファイバ心線の融着部と余長とを収納するための融着トレイを収納し、融着トレイはレールによって前後方向にスライド可能に設けられている。また、ユニット本体の前面に光ファイバコード同士をコネクタ接続するための多数のアダプタが設けられたアダプタパネルを開閉可能に蝶着されている。アダプタパネルの裏面の下部には光ファイバコードの余長を収納するための余長収納部が張設されている。ユニット本体の左右側面にはマウント部が張設され、ラック等の内部に立設されたマウントアングルにマウント部を当接させ螺着して固定される（例えば、特許文献１参照。）。
【０００３】
【特許文献１】
特開２００２−３７２６３４号公報（第３−４頁、第６，９図）
【０００４】
【発明が解決しようとする課題】
従来のスプライスユニットは融着トレイが前後方向にスライド可能に設けられて配線作業性を向上させているが、ユニット本体から融着トレイが完全に突出する構造ではなく、ユニット本体内に手を差し入れて狭い空間で作業を行わなければならないので作業性が悪いという欠点があった。
【０００５】
そこで上記問題点に鑑み、本発明の目的は、光ファイバの配線作業性が良好なスプライスユニットを提供することである。
【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、箱状のユニット本体の内部に光ファイバコードの余長や光ファイバ心線の融着部等を収納可能にしたスプライスユニットにおいて、ユニット本体の前面に光ファイバコード同士をコネクタ接続するための多数のアダプタが設けられたアダプタパネルを開閉自在に蝶着するとともに、ユニット本体を少なくとも前面が開放した箱状のアウターシャーシに収納してアウターシャーシに対しユニット本体をスライド可能にし、ユニット本体をアウターシャーシに収納した状態に保持するためのロック部と、ユニット本体をアウターシャーシから引き出した際に脱落を防止するためのストッパーとを備えたことを特徴とする。
【０００７】
【発明の実施の形態】
スプライスユニットはユニット本体とアウターシャーシとで構成し、ユニット本体の前面は多数のアダプタが設けられたアダプタパネルが開閉自在に蝶着され、ユニット本体は前面を開口したアウターシャーシに前後方向にスライド可能に収納される。ユニット本体の前面下部にはラッチが設けられ、アウターシャーシに収納した際に飛び出さないように保持することができ、また、ユニット本体の下面のレールの長孔にアウターシャーシに固定された棒状のストッパーが挿通して設けられ、ユニット本体を引き出した際に脱落しないようにされている。
【０００８】
【実施例】
本発明に係るスプライスユニットの実施例を図１〜図５の添付図面に基づいて説明する。
【０００９】
スプライスユニット１は、ユニット本体２と、アウターシャーシ３とで構成し、ユニット本体２は矩形状の底板４と、左右側板５とで前面と背面と上面を開放した箱状に形成され、上面は天板６が前部のネジ７と後部の引っ掛け爪８によって着脱可能に閉塞されている。
【００１０】
ユニット本体２の前面は光ファイバコード９同士をコネクタ接続するための多数のアダプタ１０が設けられた２枚のアダプタパネル１１が左右側板５の前端縁に観音開き式に開閉自在に蝶着されて取り付けられている。アダプタパネル１１の夫々の開放端にはラッチ１２が設けられている。ラッチ１２は押し操作するとアダプタパネル１１の裏面に突出した先端の径が大きくなり、引き操作すると先端の径が小さくなる構造になっており、アダプタパネル１１を閉塞するとユニット本体２の底板４の前端中央に立設した係合片１３の係合孔１４にラッチ１２の先端が挿通するため、その状態でラッチ１２を押し操作すると先端の径が係合孔１４より大きくなって係合してアダプタパネル１１を固定することができる。また、アダプタパネル１１を開放するにはラッチ１２を引き操作して係合片１３との係合を解除して行う。
【００１１】
アダプタパネル１１は下端が前方に張設され、光ファイバコード９を支持するための支持部１５が形成されている。これによってアダプタ１０の前面側接続口に光ファイバコード９を接続すると垂れ下がった部分が支持部１５に支持されるので自重による負荷がかからず、破損を防止することができる。アダプタ１０に接続した光ファイバコード９は支持部１５の端部に形成されたコード結束用スリット孔１６に挿通して設けられた結束バンド１７で結束され、外側に出線される。
【００１２】
底板４は多数の通気用スリット１８が形成され、軽量化も図られ、また、光ファイバコード９を保持するための結束バンド等を挿通させて設けるためにも用いられる。底板４の上面には光ファイバ心線同士を接続した融着部と、その融着時に発生する余長とを収納するための融着トレイ１９が配設されている。底板４の下面には奥行き方向へ延びるレール２０が左右両端と中央に設けられている。
【００１３】
アウターシャーシ３は前面と背面と上面を開放した箱状に形成され、左右側板２１の上端部を内側方向に折曲してユニット本体２を前後方向にスライド可能に収納する。ユニット本体２の左右側板５の上端部もアウターシャーシ３の折曲部に沿うように内側方向に折曲形成されている。アウターシャーシ３の底板４の後端部はコードクランプ２２が設けられ、コードクランプ２２の前方にはフレキシブルダクト２３の一端が固定され、他端はユニット本体２の後端部に固定されている。アウターシャーシ３の背面から導入した光ファイバコード９はコードクランプ２２によって保持され、フレキシブルダクト２３内を挿通してユニット本体２内へ配線される。
【００１４】
ユニット本体２内に導入された光ファイバコード９を配線するにはアウターシャーシ３からユニット本体２を引き出して行う。引き出すには、まず、アウターシャーシ３とユニット本体２とのロックを解除する。アウターシャーシ３とユニット本体２はロック部としてのラッチ２４によって係脱自在にされており、ラッチ２４の構造はユニット本体２のアダプタパネル１１のラッチ１２と同様であり、アウターシャーシ３の底板２５の前端部に設けた係合片２６の係合孔２７にユニット本体２の前端下部に設けられたラッチ２４の先端が係脱可能になっている。
【００１５】
ユニット本体２をアウターシャーシ３から引き出した際にユニット本体２が脱落しないようにアウターシャーシ３にはストッパー２８が設けられている。ストッパー２８は棒状に形成され、ユニット本体２のレール２０の長手方向に形成された長孔２９に挿通し、両端をアウターシャーシ３の左右側板２１に固定して設けられている。これによってユニット本体２を引き出してもストッパー２８が長孔２９の端部に当たるので脱落しない。
【００１６】
ユニット本体２を引き出した後、アダプタパネル１１を開放し、天板６を取り外してユニット本体２内の配線を行う。尚、配線の際に発生した余長はユニット本体２の底板４上に丸めて収納しておく。ユニット本体２の前面と上面が開放できるため、配線作業性が非常に良好である。配線が完了したら天板６を取り付け、アダプタパネル１１を閉塞し、ラッチ１２をロックしてアダプタパネル１１を固定する。それから、ユニット本体２をアウターシャーシ３内に押し込み、ラッチ２４によってロックしておく。尚、光ファイバコードの接続変更だけであれば、天板７を取り外さずにアダプタパネル１１を開放させるだけで行うことができる。
【００１７】
アウターシャーシ３の左右側板２１には光配線盤（図示せず）や通信機器等を収納するためのラック（図示せず）等にマウント取り付けできるように左右に張設されたマウント部３０が設けられ、マウント部３０は２個の挿通孔３１が穿設されている。マウント部３０を光配線盤やラック等の内部に立設されたマウントアングルに前面側から当接させ、挿通孔３１に前面側から取付ネジを挿通させてマウントアングルに螺着固定することによりスプライスユニット１を取り付けることができる。
【００１８】
尚、本実施例において、ユニット本体のスライド構造、ストッパー構造やロック構造等、スプライスユニットの構造について限定はなく、本発明の趣旨を逸脱しない範囲で適宜変更可能である。
【００１９】
【発明の効果】
以上説明したように、箱状のユニット本体の内部に光ファイバコードの余長や光ファイバ心線の融着部等を収納可能にしたスプライスユニットにおいて、ユニット本体の前面に光ファイバコード同士をコネクタ接続するための多数のアダプタが設けられたアダプタパネルを開閉自在に蝶着するとともに、ユニット本体を少なくとも前面が開放した箱状のアウターシャーシに収納してアウターシャーシに対しユニット本体をスライド可能にし、ユニット本体をアウターシャーシに収納した状態に保持するためのロック部と、ユニット本体をアウターシャーシから引き出した際に脱落を防止するためのストッパーとを備えたことにより、光ファイバの配線作業性が良いという効果がある。
【図面の簡単な説明】
【図１】本発明に係るスプライスユニットの斜視図である。
【図２】本発明に係るスプライスユニットを引き出した状態の斜視図である。
【図３】本発明に係るスプライスユニットの正面図である。
【図４】本発明に係るスプライスユニットの平面図である。
【図５】本発明に係るスプライスユニットの右側面図である。
【符号の説明】
１…スプライスユニット
２…ユニット本体
３…アウターシャーシ
１１…アダプタパネル
２０…レール
２４…ラッチ
２６…係合片
２７…係合孔
２８…ストッパー
２９…長孔[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a splice unit mounted and mounted on an optical distribution board, a rack, or the like, for storing a connection portion of an optical fiber and an extra length.
[0002]
[Prior art]
The conventional splice unit houses a fusion tray for storing the fusion portion of the optical fiber and the extra length inside the box-shaped unit body, and the fusion tray slides in the front-rear direction by rails. It is provided as possible. Further, an adapter panel provided with a number of adapters for connecting optical fiber cords to each other through a connector is provided on the front surface of the unit main body so as to be opened and closed. An extra-length storage portion for storing the extra length of the optical fiber cord is provided at the lower portion on the lower surface of the adapter panel. Mount portions are stretched on the left and right side surfaces of the unit main body, and the mount portions are brought into contact with a mount angle set up inside a rack or the like and fixed by screwing (for example, see Patent Document 1).
[0003]
[Patent Document 1]
JP-A-2002-372634 (Pages 3-4, FIGS. 6, 9)
[0004]
[Problems to be solved by the invention]
The conventional splice unit has a fusing tray that is slidable in the front-rear direction to improve wiring workability.However, the fusing tray does not completely project from the unit body, and the hand is inserted into the unit body. There is a disadvantage that workability is poor because work must be performed in a narrow space.
[0005]
SUMMARY OF THE INVENTION In view of the above problems, an object of the present invention is to provide a splice unit having good optical fiber wiring workability.
[0006]
[Means for Solving the Problems]
In order to achieve the above object, in a splice unit in which a surplus length of an optical fiber cord or a fused portion of an optical fiber core wire or the like can be stored inside a box-shaped unit main body, the optical fiber cords are attached to the front of the unit main body. Can be opened and closed freely with an adapter panel provided with a number of adapters for connector connection, and the unit body can be stored in a box-shaped outer chassis with at least the front open and the unit body can slide with respect to the outer chassis A lock portion for holding the unit main body housed in the outer chassis, and a stopper for preventing the unit main body from falling off when the unit main body is pulled out from the outer chassis.
[0007]
BEST MODE FOR CARRYING OUT THE INVENTION
The splice unit consists of a unit body and an outer chassis.The front of the unit body is hinged to an openable and closable adapter panel with a number of adapters, and the unit body can slide forward and backward on the outer chassis with an open front. Is stored in. A latch is provided at the lower part of the front of the unit body, it can be held so that it does not pop out when stored in the outer chassis, and a rod-shaped fixed to the outer chassis in the long hole of the rail on the lower surface of the unit body. A stopper is provided so as to be inserted so as not to fall off when the unit body is pulled out.
[0008]
【Example】
An embodiment of a splice unit according to the present invention will be described with reference to the accompanying drawings of FIGS.
[0009]
The splice unit 1 includes a unit main body 2 and an outer chassis 3, and the unit main body 2 is formed in a box shape having a rectangular bottom plate 4, left and right side plates 5 with front, back, and top surfaces opened. The top plate 6 is detachably closed by a front screw 7 and a rear hook 8.
[0010]
On the front surface of the unit body 2, two adapter panels 11 provided with a number of adapters 10 for connecting the optical fiber cords 9 with connectors are hinged to the front edges of the left and right side plates 5 so as to be openable and closable. Have been. A latch 12 is provided at each open end of the adapter panel 11. When the latch 12 is pushed, the diameter of the tip protruding from the rear surface of the adapter panel 11 increases, and when the pull operation is performed, the diameter of the tip decreases. When the adapter panel 11 is closed, the front end of the bottom plate 4 of the unit body 2 is closed. Since the tip of the latch 12 is inserted into the engagement hole 14 of the engagement piece 13 erected in the center, when the latch 12 is pressed in this state, the diameter of the tip becomes larger than the engagement hole 14 and the adapter is engaged. The panel 11 can be fixed. To release the adapter panel 11, the latch 12 is pulled to release the engagement with the engagement piece 13.
[0011]
The lower end of the adapter panel 11 is stretched forward, and a support portion 15 for supporting the optical fiber cord 9 is formed. Thus, when the optical fiber cord 9 is connected to the front-side connection port of the adapter 10, the hanging portion is supported by the support portion 15, so that no load is applied by its own weight, and damage can be prevented. The optical fiber cord 9 connected to the adapter 10 is bound by a binding band 17 provided through a cord binding slit hole 16 formed at the end of the support portion 15 and is output to the outside.
[0012]
The bottom plate 4 is formed with a large number of ventilation slits 18 to reduce the weight, and is also used for inserting and providing a binding band or the like for holding the optical fiber cord 9. On the upper surface of the bottom plate 4, a fusion tray for storing a fusion portion where optical fiber core wires are connected to each other and an extra length generated at the time of fusion are disposed. Rails 20 extending in the depth direction are provided on the lower surface of the bottom plate 4 at both left and right ends and at the center.
[0013]
The outer chassis 3 is formed in a box shape with the front surface, the back surface, and the upper surface opened, and the upper ends of the left and right side plates 21 are bent inward to house the unit body 2 so as to be slidable in the front-rear direction. The upper ends of the left and right side plates 5 of the unit body 2 are also bent inward along the bent portions of the outer chassis 3. The rear end of the bottom plate 4 of the outer chassis 3 is provided with a cord clamp 22, one end of a flexible duct 23 is fixed in front of the cord clamp 22, and the other end is fixed to the rear end of the unit body 2. The optical fiber cord 9 introduced from the back of the outer chassis 3 is held by a cord clamp 22 and is inserted into the flexible duct 23 and wired into the unit body 2.
[0014]
The wiring of the optical fiber cord 9 introduced into the unit main body 2 is performed by pulling out the unit main body 2 from the outer chassis 3. To pull it out, first, the lock between the outer chassis 3 and the unit body 2 is released. The outer chassis 3 and the unit main body 2 are detachable by a latch 24 as a lock portion. The structure of the latch 24 is the same as that of the latch 12 of the adapter panel 11 of the unit main body 2. The tip of a latch 24 provided at the lower part of the front end of the unit main body 2 can be disengaged from an engagement hole 27 of an engagement piece 26 provided at the front end.
[0015]
The outer chassis 3 is provided with a stopper 28 so that the unit main body 2 does not fall off when the unit main body 2 is pulled out from the outer chassis 3. The stopper 28 is formed in a rod shape, is inserted into a long hole 29 formed in the longitudinal direction of the rail 20 of the unit body 2, and is provided with both ends fixed to the left and right side plates 21 of the outer chassis 3. As a result, even if the unit main body 2 is pulled out, the stopper 28 hits the end of the elongated hole 29 and does not fall off.
[0016]
After the unit body 2 is pulled out, the adapter panel 11 is opened, the top plate 6 is removed, and wiring in the unit body 2 is performed. The extra length generated at the time of wiring is rolled and stored on the bottom plate 4 of the unit body 2. Since the front and top surfaces of the unit body 2 can be opened, wiring workability is very good. When the wiring is completed, the top panel 6 is attached, the adapter panel 11 is closed, the latch 12 is locked, and the adapter panel 11 is fixed. Then, the unit body 2 is pushed into the outer chassis 3 and locked by the latch 24. In addition, if only the connection of the optical fiber cord is changed, it can be performed only by opening the adapter panel 11 without removing the top plate 7.
[0017]
The left and right side plates 21 of the outer chassis 3 are provided with mount portions 30 extending left and right so that they can be mounted on an optical wiring board (not shown) or a rack (not shown) for storing communication equipment and the like. The mounting portion 30 has two insertion holes 31 formed therein. The splicing is achieved by bringing the mounting portion 30 into contact with a mounting angle erected inside an optical distribution board, a rack, or the like from the front side, inserting a mounting screw into the insertion hole 31 from the front side, and screwing the mounting angle to the mounting angle. The unit 1 can be attached.
[0018]
In the present embodiment, there is no limitation on the structure of the splice unit, such as the slide structure, the stopper structure, and the lock structure of the unit body, and the structure can be appropriately changed without departing from the spirit of the present invention.
[0019]
【The invention's effect】
As described above, in a splice unit in which the extra length of the optical fiber cord and the fused portion of the optical fiber core wire can be stored inside the box-shaped unit main body, the optical fiber cords are connected to the front of the unit main body. An adapter panel provided with a large number of adapters for connection is hinged openably and closable, and the unit main body is housed in a box-shaped outer chassis having at least a front open front so that the unit main body can be slid with respect to the outer chassis, Equipped with a lock part for holding the unit body in the outer chassis and a stopper for preventing the unit body from falling off when the unit body is pulled out from the outer chassis. This has the effect.
[Brief description of the drawings]
FIG. 1 is a perspective view of a splice unit according to the present invention.
FIG. 2 is a perspective view of a state in which a splice unit according to the present invention is pulled out.
FIG. 3 is a front view of the splice unit according to the present invention.
FIG. 4 is a plan view of a splice unit according to the present invention.
FIG. 5 is a right side view of the splice unit according to the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Splice unit 2 ... Unit main body 3 ... Outer chassis 11 ... Adapter panel 20 ... Rail 24 ... Latch 26 ... Engagement piece 27 ... Engagement hole 28 ... Stopper 29 ... Long hole

Claims (1)

箱状のユニット本体の内部に光ファイバコードの余長や光ファイバ心線の融着部等を収納可能にしたスプライスユニットにおいて、前記ユニット本体の前面に光ファイバコード同士をコネクタ接続するための多数のアダプタが設けられたアダプタパネルを開閉自在に蝶着するとともに、前記ユニット本体を少なくとも前面が開放した箱状のアウターシャーシに収納して該アウターシャーシに対し前記ユニット本体をスライド可能にし、前記ユニット本体を前記アウターシャーシに収納した状態に保持するためのロック部と、前記ユニット本体を前記アウターシャーシから引き出した際に脱落を防止するためのストッパーとを備えたことを特徴とするスプライスユニット。In a splice unit in which an extra length of an optical fiber cord or a fused portion of an optical fiber cord can be stored inside a box-shaped unit main body, a large number of connectors for connecting optical fiber cords to the front of the unit main body are provided. The adapter panel provided with the adapter is hinged so as to be openable and closable, and the unit main body is housed in a box-shaped outer chassis having at least a front open side, and the unit main body is slidable with respect to the outer chassis. A splice unit comprising: a lock portion for holding the main body in a state housed in the outer chassis; and a stopper for preventing the unit main body from dropping out of the outer chassis when pulled out.
JP2003163475A 2003-06-09 2003-06-09 Splice unit Expired - Fee Related JP4093475B2 (en)

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