JP2006227041A - Drawing position locking structure for optical fiber storing tray, optical fiber storing unit, and optical distributing board - Google Patents

Drawing position locking structure for optical fiber storing tray, optical fiber storing unit, and optical distributing board Download PDF

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JP2006227041A
JP2006227041A JP2005037182A JP2005037182A JP2006227041A JP 2006227041 A JP2006227041 A JP 2006227041A JP 2005037182 A JP2005037182 A JP 2005037182A JP 2005037182 A JP2005037182 A JP 2005037182A JP 2006227041 A JP2006227041 A JP 2006227041A
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optical fiber
storage tray
fiber storage
tray
housing
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Takahisa Niisato
貴久 新里
Masashi Otsuka
政志 大塚
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Osaki Electric Co Ltd
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Osaki Electric Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a structure for arranging a coated optical fiber storing part by shortening an excess length of an optical fiber cord, reducing a space for an excess length storing part, and aligning the drawing direction of an optical fiber storing tray with the attaching/detaching direction of a plug to array receptacles for connecting an optical fiber cable to an optical fiber cord, with the coated optical fiber storing part arranged behind the array. <P>SOLUTION: When an optical fiber storing tray 2 is pulled out to a prescribed drawing position from a housing 3, a tray projecting part 27 of the optical fiber storing tray comes into contact with a projected piece 34b of a stopper fixture 34, so that movement in the drawing direction is regulated for the optical fiber storing tray 2. At the same time, a clip 20 attached at one end to the optical fiber storing tray 2 is engaged at the other end with the front end face of a fixed rail part 41, so that movement in the storing direction is regulated for the optical fiber storing tray 2. As a result, the optical fiber storing tray 2 is held at the prescribed drawing position from the housing 3, with the drawing quantity locked. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は、筐体の側面から引き出し自在に筐体内に支持された光ファイバ収納トレイの引出位置ロック構造に関するものである。   The present invention relates to a drawing position lock structure for an optical fiber storage tray that is supported in a housing so as to be freely drawn out from a side surface of the housing.

光配線盤は、局外側から引き込まれる光ファイバケーブルと、局内側から引き込まれる光ファイバコードとを配線接続するためのもので、一般に、コネクタユニットと融着ユニットとを備えて構成されている。融着ユニットは、局外側から引き込まれた光ファイバケーブルを構成する各光ファイバテープ心線と、光配線盤内で用いられる片端プラグ付き光ファイバコードとの融着接続部を収納するためのものである。また、コネクタユニットは、局内側から引き込まれた光ファイバコードと、光配線盤内で用いられる片端プラグ付き光ファイバコードとの接続部を収納するためのものである。局外側の光ファイバケーブルのテープ心線と、局内側の光ファイバコードとは、光配線盤内で用いられる上記片端プラグ付き光ファイバコードにより互いが接続される。   The optical wiring board is for wiring connection between an optical fiber cable drawn from the outside of the station and an optical fiber cord drawn from the inside of the station, and generally includes a connector unit and a fusion unit. The fusion unit is used to store the fusion splicing part between each optical fiber tape core wire constituting the optical fiber cable drawn from the outside of the office and the optical fiber cord with one end plug used in the optical distribution board. It is. The connector unit is for housing a connecting portion between the optical fiber cord drawn from the inside of the station and the optical fiber cord with one end plug used in the optical wiring board. The optical fiber cable on the outside of the office and the optical fiber cord on the inside of the office are connected to each other by the optical fiber cord with one end plug used in the optical distribution board.

例えば、図１に示すように、コネクタユニット５は、複数の光ファイバ収納トレイ５１が高さ方向に積層されて筐体５２に収容されている。各光ファイバ収納トレイ５１には、トレイ正面から背面までの奥行き方向に縦一列にアダプタＡが複数設けられている。アダプタＡには、局内側からの光ファイバコードｈ４および光配線盤内の片端プラグ付き光ファイバコードｈ３の各先端に接続されたプラグが差し込まれて、両光ファイバコードｈ４，ｈ３が接続される。融着ユニットもコネクタユニット５とほぼ同様の構成を有するが、局外側から引き込まれた光ファイバケーブルのテープ心線と、光配線盤内で用いられる片端プラグ付き光ファイバコードとの融着接続部を光ファイバ収納トレイに収納する。   For example, as shown in FIG. 1, the connector unit 5 includes a plurality of optical fiber storage trays 51 stacked in the height direction and stored in a housing 52. Each optical fiber storage tray 51 is provided with a plurality of adapters A in a vertical line in the depth direction from the front to the back of the tray. An optical fiber cord h4 from the inside of the station and a plug connected to each end of the optical fiber cord h3 with one end plug in the optical distribution board are inserted into the adapter A, and both optical fiber cords h4 and h3 are connected. . The fusion unit also has substantially the same configuration as the connector unit 5, but a fusion connection portion between the optical fiber cable tape core drawn from the outside of the station and the optical fiber cord with one end plug used in the optical distribution board Is stored in the optical fiber storage tray.

コネクタユニット５は、アダプタＡが光ファイバ収納トレイ５１の奥まで設けられているため、光ファイバ収納トレイ５１の一番奥側に配置されたアダプタＡからプラグを抜き差しする際に、光ファイバ収納トレイ５１を図示するように筐体５２からほぼ全面が露出するまで引き出す必要があった。また、筐体５２からの光ファイバ収納トレイ５１の引き出しの際に、アダプタＡに接続された光ファイバコードｈ４は同図に矢印で示すように必要以上に移動する。従って、従来、光ファイバコードｈ３，ｈ４の余長が長くなるため、光ファイバコードｈ３，ｈ４の余長を収納するスペースを大きく取らなければならなかった。しかし、この光ファイバ収納トレイ５１では、光ファイバ収納トレイ５１の移動方向とプラグの抜き差し方向とが垂直になっているため、プラグの抜き差し時に光ファイバ収納トレイ５１が移動することはない。   In the connector unit 5, since the adapter A is provided to the back of the optical fiber storage tray 51, when the plug is inserted into and removed from the adapter A disposed at the innermost side of the optical fiber storage tray 51, the optical fiber storage tray As shown in FIG. 51, it is necessary to pull out 51 from the casing 52 until almost the entire surface is exposed. Further, when the optical fiber storage tray 51 is pulled out from the housing 52, the optical fiber cord h4 connected to the adapter A moves more than necessary as indicated by an arrow in FIG. Therefore, conventionally, since the extra lengths of the optical fiber cords h3 and h4 are increased, a large space for accommodating the extra lengths of the optical fiber cords h3 and h4 has to be taken. However, in this optical fiber storage tray 51, since the moving direction of the optical fiber storage tray 51 and the plug insertion / removal direction are perpendicular to each other, the optical fiber storage tray 51 does not move when the plug is inserted / removed.

また、図２に示す光ファイバ収納トレイ６のように、光ファイバコードｈ４に接続された片端プラグ付光ファイバコードｈ３２と局外側からの光ファイバケーブルに接続されたテープ心線ｈ３１との融着接続部ｈ３３を収納する心線収納部６１を、アダプタＡの他に備えるものもある。この光ファイバ収納トレイ６では、アダプタＡが光ファイバ収納トレイ６の前面に横一列に配置され、その後部に心線収納部６１が配置されている。図３に示すユニット７は、この光ファイバ収納トレイ６を収納している。このユニット７では、光ファイバ収納トレイ６の幅方向に沿ってアダプタＡが配置され、アダプタＡに対するプラグの抜き差し方向が光ファイバ収納トレイ６の引出方向と一致するために、プラグの抜き差し時に光ファイバ収納トレイ６が引出方向に移動してしまう。従って、ユニット７は、プラグをアダプタＡに差し込みにくく、また作業中に上下の光ファイバ収納トレイ６間に手を挟めたりするなど、作業性に問題が生じていた。   Further, as in the optical fiber storage tray 6 shown in FIG. 2, the optical fiber cord h32 with one end plug connected to the optical fiber cord h4 and the tape core h31 connected to the optical fiber cable from the outside of the station are fused. In addition to the adapter A, there is a core wire storage portion 61 that stores the connection portion h33. In the optical fiber storage tray 6, the adapters A are arranged in a horizontal row on the front surface of the optical fiber storage tray 6, and the core wire storage part 61 is arranged at the rear thereof. The unit 7 shown in FIG. 3 stores the optical fiber storage tray 6. In this unit 7, the adapter A is arranged along the width direction of the optical fiber storage tray 6, and the plug insertion / removal direction with respect to the adapter A coincides with the pull-out direction of the optical fiber storage tray 6. The storage tray 6 moves in the pull-out direction. Therefore, the unit 7 is difficult to insert the plug into the adapter A, and there are problems in workability such that the hand is caught between the upper and lower optical fiber storage trays 6 during the work.

また、図３に示すユニット７で、種類の違うアダプタＡを用いる場合には、光ファイバ収納トレイ６の引出方向でのアダプタＡの大きさが、アダプタＡの種類よって違う。このため、光ファイバコードｈ４のアダプタＡへの接続の際に必要となる光ファイバ収納トレイ６の最低限の引出量が、用いるアダプタＡの種類毎に異なる。   3, when different types of adapters A are used, the size of the adapter A in the drawing direction of the optical fiber storage tray 6 differs depending on the type of the adapter A. For this reason, the minimum pull-out amount of the optical fiber storage tray 6 required for connecting the optical fiber cord h4 to the adapter A differs depending on the type of adapter A used.

上記のような問題を解消するため、下記の特許文献１に示すように、光ファイバ収納トレイを筐体から所定の引出位置に引き出して保持する引出位置ロック構造が提案されている。特許文献１に記載の引出位置ロック構造は、筐体または光ファイバ収納トレイの一方に設けられた凸部が、他方に設けられた凹部に嵌って、筐体から引き出された光ファイバ収納トレイが所定の引出位置に固定される。
実用新案登録第３０６５２９５号公報（段落［００３３］参照） In order to solve the above problems, as shown in Patent Document 1 below, a drawing position lock structure has been proposed in which an optical fiber storage tray is pulled out from a housing to a predetermined drawing position and held. In the drawer position lock structure described in Patent Document 1, a projection provided on one of the housing or the optical fiber storage tray fits into a recess provided on the other, and the optical fiber storage tray pulled out from the housing is It is fixed at a predetermined drawing position.
Utility Model Registration No. 3065295 (see paragraph [0033])

しかしながら、特許文献１に記載の引出位置ロック構造では、凸部と凹部とが単に嵌まって引出位置がロックされているため、少しでも強い力が光ファイバ収納トレイの引出方向にかかると、ロックが簡単に外れてしまい、光ファイバ収納トレイが動いてしまう可能性がある。   However, in the drawer position lock structure described in Patent Document 1, since the projection position and the recess are simply fitted and the drawer position is locked, if a strong force is applied in the drawing direction of the optical fiber storage tray, May easily come off and the optical fiber storage tray may move.

本発明はこのような課題を解決するためになされたもので、例えば局外側の光ファイバケーブルと例えば局内側の光ファイバコードを接続する接続部および光ファイバコードの余長を収納する余長収納部を備えた光ファイバ収納トレイが筐体から引き出される位置を所定の引出位置に保持する光ファイバ収納トレイの引出位置ロック構造において、光ファイバ収納トレイは、筐体に固定された保持枠に沿ってスライド部が移動するスライドレールによって筐体の側面から引き出し自在に筐体内に支持され、光ファイバ収納トレイに設けられた突部と、所定の引出位置において突部が当接して光ファイバ収納トレイの引き出し方向の移動を規制する当接部材と、所定の引出位置において保持枠が備える被係止手段に係止して光ファイバ収納トレイの仕舞い方向の移動を規制する、例えば、板バネを円弧状に折り曲げてなる係止部材とを備えていることを特徴とする。   The present invention has been made to solve such a problem. For example, a connection portion connecting an optical fiber cable outside a station and an optical fiber cord inside the station, for example, and an extra length accommodation for accommodating an extra length of the optical fiber cord. In the optical fiber storage tray drawing position lock structure that holds the position where the optical fiber storage tray provided with a portion is pulled out from the housing at a predetermined drawing position, the optical fiber storage tray is arranged along a holding frame fixed to the housing. The optical fiber storage tray is supported in the housing so that it can be pulled out from the side surface of the housing by a slide rail that moves the sliding portion, and the protrusion provided on the optical fiber storage tray comes into contact with the protrusion at a predetermined extraction position. The optical fiber storage tray is engaged with a contact member for restricting movement of the optical fiber in the pulling direction and locked means provided in the holding frame at a predetermined pulling position. To restrict the movement of the put away direction, e.g., characterized by comprising a locking member formed by bending a leaf spring into an arc shape.

このような構成によれば、当接部材に突部を当接させて、筐体からの引き出し方向への光ファイバ収納トレイの移動を規制すると共に、保持枠が備える被係止手段に係止部材を係止させて、筐体への仕舞い方向への光ファイバ収納トレイの移動を規制して、所定の引出位置に光ファイバ収納トレイを保持することができる。そして、被係止手段への係止部材の係止を解くことにより、仕舞い方向への光ファイバ収納トレイの移動規制を簡単に解いて、光ファイバ収納トレイを筐体内に収納することができる。   According to such a configuration, the protrusion is brought into contact with the contact member to restrict the movement of the optical fiber storage tray in the pulling-out direction from the housing and is locked to the locked means provided in the holding frame. By locking the members, the movement of the optical fiber storage tray in the closing direction to the housing can be restricted, and the optical fiber storage tray can be held at a predetermined drawing position. Then, by releasing the locking member from the locked means, the movement restriction of the optical fiber storage tray in the closing direction can be easily solved, and the optical fiber storage tray can be stored in the housing.

このため、筐体からの光ファイバ収納トレイの引出量を、光ファイバコードの取り付けや取り外しの作業に必要な量にとどめて、従来のように光ファイバ収納トレイのほぼ全面を筐体から引き出す場合に比べて、光ファイバ収納トレイの移動距離を短くできる。従って、光ファイバコードの余長を短くして、余長収納部のスペースを小さくできる。   Therefore, when pulling out the optical fiber storage tray from the housing to the amount necessary for installing and removing the optical fiber cord, pulling out almost the entire surface of the optical fiber storage tray from the housing as before Compared to the above, the moving distance of the optical fiber storage tray can be shortened. Therefore, the extra length of the optical fiber cord can be shortened, and the space of the extra length storage part can be reduced.

また、所定の引出位置で、光ファイバ収納トレイの引出方向および仕舞い方向への移動が規制されるので、光ファイバ収納トレイが備える接続部が、光ファイバコード先端のプラグが抜き差しされるレセプタクルである場合には、プラグ抜差方向が光ファイバ収納トレイの引出方向および仕舞い方向に一致していても、プラグの抜き差しの際に、光ファイバ収納トレイが引出方向および仕舞い方向に移動するのを防止することができる。このため、光ファイバ収納トレイは、筐体からの引き出し方向に対して垂直方向に沿って光ファイバケーブルと光ファイバコードの接続用レセプタクルが配列され、その後方に心線収納部が配置される構成とすることもできる。   Further, since the movement of the optical fiber storage tray in the pull-out direction and the closing direction is restricted at a predetermined pull-out position, the connection portion provided in the optical fiber storage tray is a receptacle into which the plug at the tip of the optical fiber cord is inserted and removed. In this case, even when the plug insertion / removal direction matches the pull-out direction and the closing direction of the optical fiber storage tray, the optical fiber storage tray is prevented from moving in the pull-out direction and the closing direction when the plug is inserted / removed. be able to. For this reason, the optical fiber storage tray has a configuration in which receptacles for connecting optical fiber cables and optical fiber cords are arranged in a direction perpendicular to the direction of pulling out from the housing, and a core wire storage part is arranged behind the receptacle. It can also be.

また、光ファイバ収納トレイの引出方向における、当接部材と突部との位置関係、ならびに、保持枠が備える被係止手段への係止部材の係止位置を単に変更することにより、光ファイバ収納トレイの筐体からの引出量を調整できるため、所望の引出位置に光ファイバ収納トレイを保持できる引出位置ロック構造を容易に設計することができる。   Further, by simply changing the positional relationship between the contact member and the protrusion in the drawing direction of the optical fiber storage tray, and the locking position of the locking member to the locked means provided in the holding frame, the optical fiber Since the amount of drawer from the housing of the storage tray can be adjusted, it is possible to easily design a drawer position lock structure that can hold the optical fiber storage tray at a desired drawer position.

また、本発明は、当接部材が、光ファイバ収納トレイの移動に伴う突部の移動経路上とこの移動経路上から退避した位置との間で移動自在に構成されたストッパ金具であることを特徴とする。   Further, according to the present invention, the abutting member is a stopper fitting configured to be movable between a movement path of the protrusion accompanying the movement of the optical fiber storage tray and a position retracted from the movement path. Features.

このような構成によれば、ストッパ金具を突部の移動経路上に位置させると、突部がストッパ金具に当接して、引出方向への光ファイバ収納トレイの移動が規制される。一方、ストッパ金具を突部の移動経路上から退避させると、突部とストッパ金具との当接が解けて、光ファイバ収納トレイの移動規制が解除される。このため、光ファイバ収納トレイを更に引出方向に移動させて、筐体から取り外すことができる。   According to such a configuration, when the stopper fitting is positioned on the movement path of the protrusion, the protrusion comes into contact with the stopper fitting and the movement of the optical fiber storage tray in the drawing direction is restricted. On the other hand, when the stopper fitting is retracted from the movement path of the protrusion, the contact between the protrusion and the stopper fitting is released, and the movement restriction of the optical fiber storage tray is released. For this reason, the optical fiber storage tray can be further moved in the pull-out direction and removed from the housing.

このような本発明によれば、上記のように、光ファイバコードの余長を短くして、余長収納部のスペースを小さくできる。また、光ファイバ収納トレイの引出方向とプラグ抜差方向とを一致させて光ファイバケーブルと光ファイバコードの接続用レセプタクルを配列し、その後方に心線収納部を配置する構成とすることもできる。   According to the present invention, as described above, the extra length of the optical fiber cord can be shortened and the space of the extra length storage portion can be reduced. Alternatively, the optical fiber cable tray and the optical fiber cord connection receptacle may be arranged such that the drawing direction of the optical fiber storage tray and the plug insertion / removal direction coincide with each other, and the core wire storage part may be arranged behind the receptacle. .

次に、本発明を実施するための最良の形態について説明する。   Next, the best mode for carrying out the present invention will be described.

図４は本発明の最良の形態による光配線盤１を説明する図で、同図（ａ）は光配線盤１を構成するキャビネット１ａの正面から見た内部構成を説明する図、同図（ｂ）はキャビネット１ａの側面図である。   FIG. 4 is a diagram for explaining the optical wiring board 1 according to the best mode of the present invention. FIG. 4 (a) is a diagram for explaining the internal configuration as viewed from the front of the cabinet 1a constituting the optical wiring board 1. FIG. b) is a side view of the cabinet 1a.

光配線盤１は、局外側から引き込まれた光ファイバケーブルｈ１と、局内側から引き込まれた光ファイバコードｈ４とを配線接続するためのもので、同図（ａ）に示すようにキャビネット１ａ内に配線接続部が収納されている。局外側からキャビネット１ａ内に導入された光ファイバケーブルｈ１からは、収められている複数本の光ファイバテープ心線ｈ３１が引き出され、引き出された各光ファイバテープ心線ｈ３１と、キャビネット１ａ内の光ファイバ収納トレイ２内部の心線収納部に配置されている片端簡易プラグ付き光ファイバテープ心線の一端とが融着接続される。この片端簡易プラグ付き光ファイバテープ心線の他端と、局内側から引き込まれたプラグ付光ファイバコードｈ４とが接続されて、光ファイバケーブルｈ１と光ファイバコードｈ４とが光ファイバ収納トレイ２で配線接続されている。光配線盤１には、この光ファイバ収納トレイ２が所定数筐体３に取り付けられた光ファイバ収納ユニット１１が、キャビネット１ａの高さ方向に複数積層して配置されている。   The optical distribution board 1 is used for wiring connection between the optical fiber cable h1 drawn from the outside of the station and the optical fiber cord h4 drawn from the inside of the station. As shown in FIG. The wiring connection portion is housed in the housing. From the optical fiber cable h1 introduced into the cabinet 1a from the outside of the station, a plurality of optical fiber ribbons h31 housed are drawn out, and each of the drawn optical fiber ribbons h31 and the inside of the cabinet 1a are drawn. One end of an optical fiber ribbon with a one-end simple plug, which is disposed in a core wire storage portion inside the optical fiber storage tray 2, is fusion-connected. The other end of the optical fiber ribbon with one-end simple plug is connected to the optical fiber cord h4 with a plug drawn from the inside of the station, and the optical fiber cable h1 and the optical fiber cord h4 are connected to the optical fiber storage tray 2. Wired connection. In the optical wiring board 1, a plurality of optical fiber storage units 11 each having a predetermined number of optical fiber storage trays 2 attached to the housing 3 are stacked in the height direction of the cabinet 1a.

図５は、光ファイバ収納ユニット１１の１ユニットを示す図で、同図（ａ）が平面図、同図（ｂ）が正面図である。図６は光ファイバ収納ユニット１１の構成の概略を示す斜視図である。図７は光ファイバ収納ユニット１１を構成する光ファイバ収納トレイ２を示す図で、同図（ａ）は光ファイバ収納トレイ２の平面図、同図（ｂ）は正面図、同図（ｃ）は左側からの側面図、同図（ｄ）は右側からの側面図である。また、図８は、光ファイバ収納トレイ２の構成の概略を示す斜視図である。   5A and 5B are diagrams showing one unit of the optical fiber storage unit 11, where FIG. 5A is a plan view and FIG. 5B is a front view. FIG. 6 is a perspective view showing an outline of the configuration of the optical fiber storage unit 11. 7A and 7B are diagrams showing the optical fiber storage tray 2 constituting the optical fiber storage unit 11, where FIG. 7A is a plan view of the optical fiber storage tray 2, FIG. 7B is a front view, and FIG. Is a side view from the left side, and FIG. 4D is a side view from the right side. FIG. 8 is a perspective view schematically showing the configuration of the optical fiber storage tray 2.

光ファイバ収納ユニット１１は、図５および図６に示すように、所定数（同図では６個）の光ファイバ収納トレイ２を筐体３の高さ方向に積層した状態で収納している。各光ファイバ収納トレイ２は、図７および図８に示すように、矩形状を呈した底板２１の４辺に沿って縦板２２が設けられている。光ファイバ収納トレイ２の引き出し方向に沿った２辺のうちの左側の１辺に沿って設けられた縦板２２は、中央部が切り欠かれている。この切欠部２３から、局外側からキャビネット１ａ内に導かれたテープ心線ｈ３１が光ファイバ収納トレイ２内に導入される。右側の１辺に沿って設けられた縦板２２は、前端部が切り欠かれている。この切欠部２４から、局内側からの光ファイバコードｈ４が光ファイバ収納トレイ２内に導入される。また、後側の１辺に沿って設けられた縦板２２は、幅方向中央部が切り欠かれており、切欠部分には角型ジュラコンキャッチ２２ａが取り付けられている。角型ジュラコンキャッチ２２ａには、図５に示す筐体３の凸部３１ａが嵌る。   As shown in FIGS. 5 and 6, the optical fiber storage unit 11 stores a predetermined number (six in the figure) of optical fiber storage trays 2 stacked in the height direction of the housing 3. As shown in FIGS. 7 and 8, each optical fiber storage tray 2 is provided with a vertical plate 22 along four sides of a bottom plate 21 having a rectangular shape. The vertical plate 22 provided along the left side of the two sides along the pull-out direction of the optical fiber storage tray 2 is cut out at the center. From this cutout portion 23, the tape core h31 led into the cabinet 1a from the outside of the office is introduced into the optical fiber storage tray 2. The vertical plate 22 provided along one right side has a front end cut out. The optical fiber cord h4 from the inside of the office is introduced into the optical fiber storage tray 2 from the notch 24. Moreover, the vertical plate 22 provided along one side of the rear side is notched at the center in the width direction, and a square duracon catch 22a is attached to the notch. The convex part 31a of the housing | casing 3 shown in FIG. 5 fits in the square-shaped duracon catch 22a.

底板２１の奥行き方向中央部のやや前端側には、接続部を構成する簡易レセプタクルＢが、底板２１の幅方向に沿ってほぼ１列に配設されている。底板２１の各簡易レセプタクルＢの前端部は、簡易レセプタクルＢに接続された光ファイバコードｈ４の余長を収納する余長収納部２６となっている。また、底板２１の各簡易レセプタクルＢの後端部には、片端簡易プラグ付き光ファイバテープ心線ｈ３２を収納する箱状を呈した心線収納部２５が設けられている。片端簡易プラグ付き光ファイバテープ心線ｈ３２は、一端側のプラグが簡易レセプタクルＢに差し込まれている。また、底板２１の左端、および心線収納部２５の上面には、光ファイバテープ心線ｈ３１を把持するクランプ２８ａ，２８ｂが設けられている。これらクランプ２８ａ，２８ｂに把持された光ファイバテープ心線ｈ３１は、心線収納部２５上面で環状に巻かれて把持部２５ｂで把持されている。片端簡易プラグ付き光ファイバテープ心線ｈ３２は、把持部２５ｂの下方の心線収納部２５上面の穴から心線収納部２５上面に出て、心線収納部２５上面で環状に巻かれて把持部２５ｂで把持されている。把持部２５ｂで把持されているこれら光ファイバテープ心線ｈ３１と片端簡易プラグ付き光ファイバテープ心線ｈ３２との各一端は融着接続され、融着接続部ｈ３３が融着接続部保持部２５ａで保持されている。   On the slightly front end side of the center portion in the depth direction of the bottom plate 21, the simple receptacles B constituting the connection portion are arranged in almost one row along the width direction of the bottom plate 21. The front end portion of each simple receptacle B of the bottom plate 21 serves as an extra length accommodating portion 26 that accommodates an extra length of the optical fiber cord h4 connected to the simple receptacle B. Further, at the rear end portion of each simple receptacle B of the bottom plate 21, a core wire storage portion 25 having a box shape for storing the optical fiber tape core wire h32 with one end simple plug is provided. As for the optical fiber tape core wire h32 with one end simple plug, the plug on one end side is inserted into the simple receptacle B. Further, clamps 28 a and 28 b that hold the optical fiber tape core h 31 are provided on the left end of the bottom plate 21 and the upper surface of the core wire storage portion 25. The optical fiber tape core h31 gripped by the clamps 28a and 28b is annularly wound on the top surface of the core wire storage section 25 and gripped by the grip section 25b. The optical fiber ribbon h32 with a simple plug at one end exits from the hole on the top surface of the core wire storage portion 25 below the grip portion 25b to the top surface of the core wire storage portion 25, and is wound in an annular shape on the top surface of the core wire storage portion 25 It is gripped by the portion 25b. One end of each of the optical fiber ribbon h31 held by the holding portion 25b and the one-end simple plug-attached optical fiber ribbon h32 is fusion spliced, and the fusion splice h33 is a fusion splice holding portion 25a. Is retained.

図９は、スライドレール４の構成の概略を示す斜視図であり、同図（ａ）は縮短した状態、同図（ｂ）は伸張した状態を示す。   FIG. 9 is a perspective view showing an outline of the configuration of the slide rail 4. FIG. 9A shows a contracted state and FIG. 9B shows an extended state.

スライドレール４は、保持枠である固定側レール部４１と、この固定側レール部４１に保持されるスライド部である移動側レール部４２とから構成されている。固定側レール部４１は、筐体３の幅方向両側の側壁３２，３３に取り付けられている。移動側レール部４２は、固定側レール部４１の延設方向に沿ってスライドし得るように、固定側レール部４１に保持されている。また、図８および図９に示すように、移動側レール部４２は、光ファイバ収納トレイ２を構成する底板２１の幅方向両側の裏面に取り付けられており、この移動側レール部４２が固定側レール部４１上をスライドすることにより、光ファイバ収納トレイ２が引出方向または仕舞い方向に移動する。   The slide rail 4 includes a fixed-side rail portion 41 that is a holding frame and a moving-side rail portion 42 that is a slide portion held by the fixed-side rail portion 41. The fixed rail portion 41 is attached to the side walls 32 and 33 on both sides in the width direction of the housing 3. The moving-side rail part 42 is held by the fixed-side rail part 41 so that it can slide along the extending direction of the fixed-side rail part 41. As shown in FIGS. 8 and 9, the moving side rail portion 42 is attached to the back surface on both sides in the width direction of the bottom plate 21 constituting the optical fiber storage tray 2, and the moving side rail portion 42 is fixed to the fixed side. By sliding on the rail portion 41, the optical fiber storage tray 2 moves in the pull-out direction or the closing direction.

また、底板２１には、図８に示すように、その一部分が折り曲げられたトレイ突起部２７が設けられている。トレイ突起部２７は、底板２１の幅方向左縁部の後端に立設されており、光ファイバ収納トレイ２に設けられた突部を構成している。また、底板２１の幅方向右縁部の中央部やや前端側にはサポート板２９が設けられている。サポート板２９は、底板２１の幅方向右側の外方に向けてほぼ水平に突出した板状体から構成されており、先端部が上方に向けて屈曲している。簡易レセプタクルＢにプラグが接続された光ファイバコードｈ４は、余長収納部２６を通ってサポート板２９の水平部分で支持されており、その屈曲部分で底板２１からの脱落を防止し、光ファイバコードｈ４の余長を収納している。   Further, as shown in FIG. 8, the bottom plate 21 is provided with a tray projection 27 that is partially bent. The tray protrusion 27 is erected at the rear end of the left edge of the bottom plate 21 in the width direction, and constitutes a protrusion provided on the optical fiber storage tray 2. In addition, a support plate 29 is provided at the center portion of the right edge of the bottom plate 21 in the width direction and slightly on the front end side. The support plate 29 is composed of a plate-like body that protrudes substantially horizontally toward the outside on the right side of the width direction of the bottom plate 21, and the tip end portion is bent upward. The optical fiber cord h4 having a plug connected to the simple receptacle B is supported by the horizontal portion of the support plate 29 through the extra length storage portion 26, and prevents the optical fiber cord h4 from falling off the bottom plate 21 at the bent portion. The extra length of the cord h4 is stored.

また、底板２１の幅方向左縁部の前端部にはクリップ２０の一端がネジで固定されている。クリップ２０は、板バネを円弧状に折り曲げて構成されており、弾性を有する。自由端となる他端側は、クリップ２０の弾性力により、光ファイバ収納トレイ２が収納位置にあるときは図６に示すように固定側レール部４１の左側部、光ファイバ収納トレイ２が引出位置にあるときは図８に示すように移動側レール部４２の左側部に押し付けられている。底板２１には、クリップ２０の円弧状部が接触しないように切欠部２１ａが設けられている。また、クリップ２０は、他端側が上方に引き上げられることにより、引き上げ方向に沿って撓む。このクリップ２０は、光ファイバ収納トレイ２の筐体３からの所定の引出位置において、固定側レール部４１が備える被係止手段（本実施形態では、スライドレール４の前端部における固定側レール部４１と移動側レール部４２との段差）に係止して、光ファイバ収納トレイ２の仕舞い方向の移動を規制する係止部材を構成している。   Further, one end of the clip 20 is fixed to the front end portion of the left edge portion in the width direction of the bottom plate 21 with a screw. The clip 20 is configured by bending a leaf spring into an arc shape and has elasticity. When the optical fiber storage tray 2 is in the storage position, the other end side that is the free end is pulled out from the left side of the fixed-side rail portion 41 and the optical fiber storage tray 2 as shown in FIG. When in position, it is pressed against the left side of the moving rail 42 as shown in FIG. The bottom plate 21 is provided with a notch 21a so that the arc-shaped portion of the clip 20 does not contact. Further, the clip 20 is bent along the pulling direction by pulling the other end side upward. The clip 20 is provided with a locking means provided in the fixed-side rail portion 41 (in this embodiment, the fixed-side rail portion at the front end portion of the slide rail 4 at a predetermined drawing position from the housing 3 of the optical fiber storage tray 2. 41 and the moving side rail portion 42), the locking member is configured to restrict the movement of the optical fiber storage tray 2 in the closing direction.

筐体３は、図６に示すように、光ファイバ収納トレイ２の後方を覆うように立設された後端壁３１と、この後端壁３１の幅方向両側部から前方に向けて延びる左右の側壁３２，３３とから構成されている。後端壁３１には、上述した凸部３１ａが設けられている。この凸部３１ａが、角型ジュラコンキャッチ２２ａに嵌ることにより、収納位置での光ファイバ収納トレイ２の移動が規制される。また、筐体３の幅方向左側の前端には、ストッパ金具３４が設けられている。   As shown in FIG. 6, the housing 3 includes a rear end wall 31 erected so as to cover the rear of the optical fiber storage tray 2, and left and right sides extending forward from both widthwise sides of the rear end wall 31. Side walls 32 and 33. The rear end wall 31 is provided with the convex portion 31a described above. By fitting the convex portion 31a to the square duracon catch 22a, the movement of the optical fiber storage tray 2 at the storage position is restricted. A stopper fitting 34 is provided at the front end of the housing 3 on the left side in the width direction.

ストッパ金具３４は、図１０に示すように、棒状の本体部分３４ａの一側に所定間隔で突片３４ｂを設けて構成されており、本体部分３４ａが筐体３の幅方向左側の側壁３２の前端面に沿って位置し、突片３４ｂが筐体３の幅方向右側の側壁３３側に向けて突出するように、ネジで筐体３に固定されている。ストッパ金具３４は、このネジの脱着により、筐体３の幅方向（同図の矢印方向）に移動自在に構成されており、光ファイバ収納トレイ２の引き出し方向への移動に伴うトレイ突起部２７の移動経路上に突片３４ｂが位置する移動規制位置、または、この移動経路から退避した位置に突片３４ｂが位置する規制解除位置にされる。ストッパ金具３４は、光ファイバ収納トレイ２の筐体３からの所定の引出位置においてトレイ突起部２７が当接して、光ファイバ収納トレイ２の引き出し方向への移動を規制する当接部材を構成している。   As shown in FIG. 10, the stopper fitting 34 is configured by providing protruding pieces 34 b on one side of a rod-like main body portion 34 a at a predetermined interval, and the main body portion 34 a is formed on the left side wall 32 of the housing 3 in the width direction. It is located along the front end face, and is fixed to the housing 3 with screws so that the protruding piece 34b protrudes toward the side wall 33 on the right side in the width direction of the housing 3. The stopper fitting 34 is configured to be movable in the width direction of the housing 3 (in the direction of the arrow in the figure) by attaching and detaching the screw, and the tray projection 27 is attached as the optical fiber storage tray 2 moves in the pull-out direction. The movement restricting position where the projecting piece 34b is located on the moving path, or the restriction releasing position where the projecting piece 34b is located at the position retracted from the moving path. The stopper fitting 34 constitutes a contact member that abuts the tray protrusion 27 at a predetermined drawing position of the optical fiber storage tray 2 from the housing 3 and restricts the movement of the optical fiber storage tray 2 in the pull-out direction. ing.

上述したスライドレール４，クリップ２０，トレイ突起部２７，およびストッパ金具３４は、光ファイバ収納トレイ２を筐体３から所定の引出位置に引き出して保持する引出位置ロック構造を構成している。この引出位置ロック構造は、図１１（ａ）の平面図に示す、収納位置からトレイ突起部２７がストッパ金具３４に当接するまでの光ファイバ収納トレイ２の移動距離Ｘ１と、収納位置から固定側レール部４１と移動側レール部４２との段差にクリップ２０が係止するまでの光ファイバ収納トレイ２の移動距離Ｘ２とが、等しい値に設定されている。   The slide rail 4, the clip 20, the tray protrusion 27, and the stopper fitting 34 described above constitute a drawer position lock structure that pulls out and holds the optical fiber storage tray 2 from the housing 3 to a predetermined drawer position. This pull-out position lock structure is shown in the plan view of FIG. 11A, in which the optical fiber storage tray 2 is moved from the storage position until the tray projection 27 comes into contact with the stopper fitting 34, and the distance X1 from the storage position to the fixed side. The moving distance X2 of the optical fiber storage tray 2 until the clip 20 is locked to the step between the rail portion 41 and the moving rail portion 42 is set to an equal value.

次に、本実施形態による光配線盤１が備える各ユニット１１での光ファイバ収納トレイ２の引出動作および仕舞い動作を説明する。   Next, the drawing operation and closing operation of the optical fiber storage tray 2 in each unit 11 provided in the optical wiring board 1 according to the present embodiment will be described.

光ファイバ収納トレイ２は、図１１（ａ）の平面図に示すように筐体３に収納された状態では、クリップ２０の他端側が、その弾性力により固定側レール部４１の側部に押し付けられている。また、簡易レセプタクルＢにプラグが接続された光ファイバコードｈ４は、底板２１の幅方向右側の縦板２２の切欠部２４から、光ファイバ収納トレイ２の側方に出て、サポート板２９の水平部分に保持されている。また、ストッパ金具３４は引出規制位置にあり、トレイ突起部２７の移動経路上に突片３４ｂが位置している。   When the optical fiber storage tray 2 is stored in the housing 3 as shown in the plan view of FIG. 11A, the other end of the clip 20 is pressed against the side of the fixed rail 41 by its elastic force. It has been. Further, the optical fiber cord h4 having a plug connected to the simple receptacle B exits from the cutout portion 24 of the vertical plate 22 on the right side in the width direction of the bottom plate 21 to the side of the optical fiber storage tray 2 and is horizontal to the support plate 29. Held in the part. Further, the stopper fitting 34 is in the drawer restricting position, and the protruding piece 34 b is located on the movement path of the tray protrusion 27.

この状態から、光ファイバ収納トレイ２が筐体３の側方に向けて引き出されると、移動側レール部４２が固定側レール部４１の延設方向に向けてスライドし、光ファイバ収納トレイ２が筐体３から引き出される。   From this state, when the optical fiber storage tray 2 is pulled out toward the side of the housing 3, the moving side rail portion 42 slides in the extending direction of the fixed side rail portion 41, and the optical fiber storage tray 2 is It is pulled out from the housing 3.

光ファイバ収納トレイ２が筐体３から所定の引出位置まで引き出されると、図１１（ｂ）に示すように光ファイバ収納トレイのトレイ突起部２７が、ストッパ金具３４の突片３４ｂに当接し、光ファイバ収納トレイ２の引き出し方向の移動が規制される。同時に、クリップ２０の他端側が、その弾性によって固定側レール部４１の外側面から移動側レール部４２の外側面に落ち込む。そして、落ち込んだクリップ２０の他端側が、図１０に示すように、固定側レール部４１の前端面に係止して、光ファイバ収納トレイ２の仕舞い方向の移動が規制される。このようにして、光ファイバ収納トレイ２は、筐体３からの所定の引出位置に保持されて、引出量がロックされる。   When the optical fiber storage tray 2 is pulled out from the housing 3 to a predetermined drawing position, the tray protrusion 27 of the optical fiber storage tray comes into contact with the protruding piece 34b of the stopper fitting 34 as shown in FIG. Movement of the optical fiber storage tray 2 in the pull-out direction is restricted. At the same time, the other end side of the clip 20 falls from the outer surface of the fixed rail portion 41 to the outer surface of the movable rail portion 42 due to its elasticity. Then, as shown in FIG. 10, the other end side of the clip 20 that has fallen is locked to the front end surface of the fixed-side rail portion 41, and movement of the optical fiber storage tray 2 in the closing direction is restricted. In this way, the optical fiber storage tray 2 is held at a predetermined drawing position from the housing 3, and the drawing amount is locked.

この引出位置から光ファイバ収納トレイ２を筐体３への仕舞い方向に移動させて、光ファイバ収納トレイ２を筐体３内に収納する場合には、まず、クリップ２０の他端側を上方に引き上げて、移動側レール部４２の外側面から離間させる。これにより、固定側レール部４１の前端面へのクリップ２０の係止が解けて、光ファイバ収納トレイ２が仕舞い方向に移動可能となる。この状態で、光ファイバ収納トレイ２が仕舞い方向に押し込まれると、スライドレール４の移動側レール部４２が固定側レール部４１上を縮短方向に向けてスライドし、光ファイバ収納トレイ２が仕舞い方向に移動して、筐体３内に収納される。   When the optical fiber storage tray 2 is moved from the pulled-out position in the closing direction to the housing 3, and the optical fiber storage tray 2 is stored in the housing 3, first, the other end of the clip 20 is moved upward. Pull up and move away from the outer surface of the moving rail 42. As a result, the clip 20 is unlocked from the front end surface of the fixed-side rail portion 41, and the optical fiber storage tray 2 can move in the closing direction. In this state, when the optical fiber storage tray 2 is pushed in the closing direction, the moving side rail portion 42 of the slide rail 4 slides on the fixed side rail portion 41 in the contracting direction, and the optical fiber storage tray 2 is moved in the closing direction. To be accommodated in the housing 3.

一方、光ファイバ収納トレイ２を所定の引出位置から更に引き出すときは、まず、ストッパ金具３４を筐体３に固定しているネジをゆるめ、ストッパ金具３４を規制解除位置に移動させる。これにより、ストッパ金具３４の突片３４ｂがトレイ突起部２７の移動経路上から退避して、突片３４ｂへのトレイ突起部２７の当接が解け、光ファイバ収納トレイ２が引出方向に移動可能となる。この状態で、光ファイバ収納トレイ２が引出方向に引き出されると、スライドレール４の移動側レール部４２が固定側レール部４１上を伸張方向に沿って移動し、光ファイバ収納トレイ２が筐体３から取り外される。   On the other hand, when the optical fiber storage tray 2 is further pulled out from the predetermined pulling position, first, the screw fixing the stopper fitting 34 to the housing 3 is loosened, and the stopper fitting 34 is moved to the restriction release position. As a result, the protruding piece 34b of the stopper fitting 34 retreats from the movement path of the tray protruding portion 27, the contact of the tray protruding portion 27 with the protruding piece 34b is released, and the optical fiber storage tray 2 can move in the drawing direction. It becomes. In this state, when the optical fiber storage tray 2 is pulled out in the pull-out direction, the moving-side rail portion 42 of the slide rail 4 moves along the extension direction on the fixed-side rail portion 41, and the optical fiber storage tray 2 is moved to the housing. 3 is removed.

このように、本実施形態の光ファイバ収納ユニット１１によれば、ストッパ金具３４の突片３４ｂにトレイ突起部２７を当接させて、筐体３からの引き出し方向への光ファイバ収納トレイ２の移動を規制すると共に、固定側レール部４１の前端面にクリップ２０を係止させて、筐体３への仕舞い方向への光ファイバ収納トレイ２の移動を規制することにより、所定の引出位置に光ファイバ収納トレイ２を保持することができる。   As described above, according to the optical fiber storage unit 11 of the present embodiment, the tray protrusion 27 is brought into contact with the protruding piece 34 b of the stopper fitting 34, and the optical fiber storage tray 2 in the direction of pulling out from the housing 3. In addition to restricting the movement, the clip 20 is locked to the front end surface of the fixed-side rail portion 41 to restrict the movement of the optical fiber storage tray 2 in the closing direction to the housing 3, thereby moving the optical fiber storage tray 2 to a predetermined drawing position. The optical fiber storage tray 2 can be held.

このため、筐体３からの光ファイバ収納トレイ２の引出量を、図１２に矢印５１で示すスライドレール４の小さな移動量とし、簡易レセプタクルＢへの光ファイバコードｈ４の取り付けや取り外しの作業に最低限必要な量にとどめることができる。この結果、図１に示す従来のコネクタユニットに比べて光ファイバ収納トレイ２の移動距離を短くできる。従って、図１２に矢印５２で示すように、光ファイバコードｈ４の移動距離もサポート板２９上における光ファイバコードｈ４の円弧長程度に短くなり、光ファイバ収納トレイ２を引き出したときは、サポート板２９上の光ファイバコードｈ４の曲げ経路が同図の下方に示すように直線的になり、光ファイバコードｈ４が引っ張られることなく、光ファイバ収納トレイ２を引き出すことができる。この結果、従来のコネクタユニットに比べて余長収納部２６のスペースを小さくできる。   For this reason, the drawing amount of the optical fiber storage tray 2 from the housing 3 is set to a small moving amount of the slide rail 4 shown by an arrow 51 in FIG. 12, and the optical fiber cord h4 is attached to or detached from the simple receptacle B. It can be kept to the minimum required amount. As a result, the moving distance of the optical fiber storage tray 2 can be shortened compared to the conventional connector unit shown in FIG. Accordingly, as shown by an arrow 52 in FIG. 12, the moving distance of the optical fiber cord h4 is also shortened to about the arc length of the optical fiber cord h4 on the support plate 29, and when the optical fiber storage tray 2 is pulled out, the support plate 29, the bending path of the optical fiber cord h4 is linear as shown in the lower part of the figure, and the optical fiber storage tray 2 can be pulled out without the optical fiber cord h4 being pulled. As a result, the space of the extra length storage portion 26 can be reduced as compared with the conventional connector unit.

また、所定の引出位置で、光ファイバ収納トレイ２の引出方向および仕舞い方向への移動が規制されるので、光ファイバ収納トレイ２が備える簡易レセプタクルＢに対するプラグ抜差方向が光ファイバ収納トレイ２の引出方向および仕舞い方向に一致していても、簡易レセプタクルＢへのプラグの抜き差しの際に、光ファイバ収納トレイ２が引出方向および仕舞い方向に移動するのを防止することができる。このため、光ファイバ収納トレイ２は、筐体３からの引き出し方向に対して垂直方向に沿って簡易レセプタクルＢが配列され、その後方に心線収納部２５が配置される構成とすることもできる。   In addition, since the movement of the optical fiber storage tray 2 in the pull-out direction and the closing direction is restricted at a predetermined pull-out position, the plug insertion / removal direction with respect to the simple receptacle B provided in the optical fiber storage tray 2 is determined by the optical fiber storage tray 2. Even when the drawing direction and the closing direction coincide with each other, it is possible to prevent the optical fiber storage tray 2 from moving in the drawing direction and the closing direction when the plug is inserted into and removed from the simple receptacle B. For this reason, the optical fiber storage tray 2 can also be configured such that the simple receptacles B are arranged along the direction perpendicular to the direction in which the optical fiber storage tray 2 is pulled out from the housing 3, and the core wire storage portion 25 is disposed behind the simple receptacle B. .

また、光ファイバ収納トレイ２の引出方向における、ストッパ金具３４とトレイ突起部２７との位置関係、ならびに、固定側レール部４１が備える被係止手段へのクリップ２０の係止位置、つまり、固定側レール部４１および移動側レール部４２間の段差とクリップ２０との位置関係を単に変更することにより、光ファイバ収納トレイ２の筐体３からの引出量を調整できるため、所望の引出位置に光ファイバ収納トレイ２を保持できる引出位置ロック構造を容易に設計することができる。   In addition, the positional relationship between the stopper fitting 34 and the tray projection 27 in the drawing direction of the optical fiber storage tray 2 and the position where the clip 20 is locked to the locked means included in the fixed-side rail portion 41, that is, fixed By simply changing the positional relationship between the step between the side rail portion 41 and the moving side rail portion 42 and the clip 20, the amount of the optical fiber storage tray 2 pulled out from the housing 3 can be adjusted. A drawer position lock structure that can hold the optical fiber storage tray 2 can be easily designed.

また、クリップ２０の他端側を上方に引き上げるという簡単な操作により、固定側レール部４１の前端面へのクリップ２０の係止を解くことができ、光ファイバ収納トレイ２の取り扱いを容易にすることができる。また、光ファイバ収納トレイ２の前端部にクリップ２０を取り付けることにより視認性をよくして、クリップ２０の引き上げを容易に行うことができる。   Further, the clip 20 can be unlocked from the front end surface of the fixed-side rail portion 41 by a simple operation of pulling up the other end of the clip 20 upward, and the handling of the optical fiber storage tray 2 is facilitated. be able to. Moreover, visibility can be improved by attaching the clip 20 to the front end portion of the optical fiber storage tray 2, and the clip 20 can be easily pulled up.

なお、上記実施形態では、係止部材として板バネを折り曲げて中央部が円弧状を呈したクリップ２０を形成し、クリップ２０の一端側を底板２１に取り付けて他端側を固定側レール部４１の前端面に係止した場合について説明した。しかし、クリップ２０は、固定側レール部４１の前端面に係止して光ファイバ収納トレイ２の仕舞い方向への移動を規制すると共に、外力を加えることにより固定側レール部４１の前端面への係止を解くことができるのであれば、その形状や取付箇所は上記実施形態での構成に限定されない。例えば、係止部材は、単なる板状に形成されていてもよい。   In the above embodiment, the leaf spring is bent as the locking member to form the clip 20 having a circular arc at the center, and one end of the clip 20 is attached to the bottom plate 21 and the other end is fixed side rail 41. The case where it latches to the front-end surface of was demonstrated. However, the clip 20 is locked to the front end surface of the fixed-side rail portion 41 to restrict the movement of the optical fiber storage tray 2 in the closing direction, and is applied to the front-end surface of the fixed-side rail portion 41 by applying an external force. As long as the locking can be released, the shape and the mounting location are not limited to the configuration in the above embodiment. For example, the locking member may be formed in a simple plate shape.

また、固定側レール部４１の前端面に係止した状態とこの係止が解けた状態との間で移動可能であれば、クリップ２０は必ずしも弾性を有する部材である必要はない。また、必ずしも固定側レール部４１の前端面にクリップ２０を係止させて光ファイバ収納トレイ２の仕舞い方向への移動を規制する必要はない。   Further, the clip 20 does not necessarily need to be an elastic member as long as it can move between the state of being locked to the front end surface of the fixed-side rail portion 41 and the state of being unlocked. Further, it is not always necessary to restrict the movement of the optical fiber storage tray 2 in the closing direction by locking the clip 20 to the front end surface of the fixed-side rail portion 41.

また、トレイ突起部２７は、光ファイバ収納トレイ２の筐体３からの所定の引出位置においてストッパ金具３４に当接し、光ファイバ収納トレイ２の引出方向への移動を規制できれば、その形状や取付箇所は、任意であり、適宜変更して差し支えない。例えば、移動側レール部４２にトレイ突起部２７を設けてもよく、また、板状体ではなくて棒状体から構成してもよい。また、ストッパ金具３４は、光ファイバ収納トレイ２の筐体３からの所定の引出位置においてトレイ突起部２７が当接し、光ファイバ収納トレイ２の引出方向への移動を規制できれば、その形状や取付箇所は任意であり、適宜変更して差し支えない。例えば、固定側レール部４１に取り付けてもよく、必ずしも筐体３の幅方向左側の側壁３２の前端面に取り付ける必要はない。   The tray protrusion 27 abuts on the stopper fitting 34 at a predetermined drawing position from the housing 3 of the optical fiber storage tray 2 and can restrict the movement of the optical fiber storage tray 2 in the drawing direction. The location is arbitrary and may be changed as appropriate. For example, the tray protrusion 27 may be provided on the moving-side rail portion 42, or may be constituted by a rod-like body instead of a plate-like body. In addition, the stopper metal fitting 34 can be shaped and mounted as long as the tray projection 27 abuts at a predetermined drawing position from the housing 3 of the optical fiber storage tray 2 and the movement of the optical fiber storage tray 2 in the drawing direction can be restricted. The location is arbitrary and may be changed as appropriate. For example, you may attach to the fixed side rail part 41, and it does not necessarily need to attach to the front-end surface of the side wall 32 of the width direction left side of the housing | casing 3. FIG.

また、スライドレール４の固定側レール部４１に加工して形成した溝を被係止手段とし、この溝にクリップ２０を係止させて光ファイバ収納トレイ２の仕舞い方向への移動を規制する構成としてもよい。また、弾性を有する板片等から構成された凸部を、撓んだ状態で固定側レール部４１の側面に接触した状態となるように光ファイバ収納トレイ２の下方に突出して設け、この凸部を固定側レール部４１に加工して形成した溝に係止させることにより、ストッパ金具３４を必要とせずに、光ファイバ収納トレイ２の引出方向への移動を規制することができる。   Further, a groove formed by processing the fixed rail portion 41 of the slide rail 4 is used as a locking means, and the clip 20 is locked in the groove to restrict the movement of the optical fiber storage tray 2 in the closing direction. It is good. In addition, a convex portion formed of an elastic plate piece or the like is provided so as to protrude below the optical fiber storage tray 2 so as to come into contact with the side surface of the fixed-side rail portion 41 in a bent state. By locking the portion in the groove formed by processing the fixed-side rail portion 41, the movement of the optical fiber storage tray 2 in the pull-out direction can be restricted without the need for the stopper fitting 34.

上記実施形態においては、光配線盤で使用するトレイ製品について説明したが、例えば、スライドレールを使用するトレイ製品全般に本発明を適用することも可能である。このような製品に本発明を適用した場合においても上記実施形態と同様な作用効果が奏される。   In the above embodiment, the tray product used in the optical wiring board has been described. However, for example, the present invention can be applied to all tray products using slide rails. Even when the present invention is applied to such a product, the same effects as those of the above-described embodiment can be obtained.

従来のコネクタユニットが備える光ファイバ収納トレイの構成の一例を示す斜視図である。It is a perspective view which shows an example of a structure of the optical fiber storage tray with which the conventional connector unit is provided. 心線収納部を備える光ファイバ収納トレイの構成の他の例を示す斜視図である。It is a perspective view which shows the other example of a structure of an optical fiber storage tray provided with a core wire storage part. 従来のコネクタユニットが備える光ファイバ収納トレイと図２に示す光ファイバ収納トレイを同一筐体内に構成した概略を示す斜視図である。It is a perspective view which shows the outline which comprised the optical fiber storage tray with which the conventional connector unit is equipped, and the optical fiber storage tray shown in FIG. 2 in the same housing | casing. 本発明の最良の形態による光配線盤を説明する図で、（ａ）は光配線盤を構成するキャビネットの正面から見た内部構成を説明する図、（ｂ）はキャビネットの側面図である。BRIEF DESCRIPTION OF THE DRAWINGS It is a figure explaining the optical distribution board by the best form of this invention, (a) is a figure explaining the internal structure seen from the front of the cabinet which comprises an optical distribution board, (b) is a side view of a cabinet. 光ファイバ収納ユニットを示す図で、（ａ）が平面図、（ｂ）が正面図である。It is a figure which shows an optical fiber accommodation unit, (a) is a top view, (b) is a front view. 光ファイバ収納ユニットの構成の概略を示す斜視図である。It is a perspective view which shows the outline of a structure of an optical fiber accommodation unit. 光ファイバ収納ユニットを構成する光ファイバ収納トレイを示す図である。It is a figure which shows the optical fiber storage tray which comprises an optical fiber storage unit. 光ファイバ収納トレイの構成の概略を示す斜視図である。It is a perspective view which shows the outline of a structure of an optical fiber storage tray. スライドレールの構成の概略を示す斜視図であり、同図（ａ）は縮短した状態、同図（ｂ）は伸張した状態を示す。It is a perspective view which shows the outline of a structure of a slide rail, The figure (a) shows the state which shortened, and the figure (b) shows the extended state. 光ファイバ収納ユニットにおいて、光ファイバ収納トレイのトレイ突起部とストッパ金具との位置関係を説明する図である。In an optical fiber storage unit, it is a figure explaining the positional relationship of the tray protrusion part of an optical fiber storage tray, and a stopper metal fitting. 本実施形態での引出位置ロック構造による光ファイバ収納トレイの引出量のロック状態を説明する図である。It is a figure explaining the lock state of the drawer amount of the optical fiber storage tray by the drawer position lock structure in this embodiment. 図６の光ファイバ収納ユニットの構成の概略を示す斜視図である。It is a perspective view which shows the outline of a structure of the optical fiber accommodation unit of FIG.

符号の説明Explanation of symbols

１…光配線盤
１１…コネクタユニット
２…光ファイバ収納トレイ
２１…底板
２２…縦板
２２ａ…角型ジュラコンキャッチ
２３…切欠部
２４…切欠部
２５…心線収納部
２６…余長収納部
２７…トレイ突起部
２９…サポート板
３…筐体
３１…後端壁
３１ａ…凸部
３２，３３…側壁
３４…ストッパ金具
３５…本体部分
３６…突片
４…スライドレール
４１…固定側レール部
４２…移動側レール部
４３…クリップ DESCRIPTION OF SYMBOLS 1 ... Optical distribution board 11 ... Connector unit 2 ... Optical fiber storage tray 21 ... Bottom plate 22 ... Vertical plate 22a ... Square duracon catch 23 ... Notch part 24 ... Notch part 25 ... Core wire storage part 26 ... Extra length storage part 27 ... Tray protrusion 29 ... Support plate 3 ... Housing 31 ... Rear end wall 31a ... Projection 32, 33 ... Side wall 34 ... Stopper bracket 35 ... Main body part 36 ... Projection piece 4 ... Slide rail 41 ... Fixed side rail part 42 ... Movement Side rail 43 ... Clip

Claims (5)

光ファイバケーブルと光ファイバコードを接続する接続部および前記光ファイバコードの余長を収納する余長収納部を備えた光ファイバ収納トレイが筐体から引き出される位置を所定の引出位置に保持する光ファイバ収納トレイの引出位置ロック構造において、
前記光ファイバ収納トレイは、前記筐体に固定された保持枠に沿ってスライド部が移動するスライドレールによって前記筐体の側面から引き出し自在に前記筐体内に支持され、
前記光ファイバ収納トレイに設けられた突部と、前記所定の引出位置において前記突部が当接して前記光ファイバ収納トレイの引き出し方向の移動を規制する当接部材と、前記所定の引出位置において前記保持枠が備える被係止手段に係止して前記光ファイバ収納トレイの仕舞い方向の移動を規制する係止部材とを備えていることを特徴とする光ファイバ収納トレイの引出位置ロック構造。 Light that holds a position where an optical fiber storage tray provided with a connecting portion for connecting an optical fiber cable and an optical fiber cord and an extra length accommodating portion for accommodating the extra length of the optical fiber cord is pulled out from the housing at a predetermined extraction position In the pull-out position lock structure of the fiber storage tray,
The optical fiber storage tray is supported in the housing so that it can be pulled out from the side surface of the housing by a slide rail whose slide portion moves along a holding frame fixed to the housing.
A protrusion provided on the optical fiber storage tray; an abutting member for restricting movement of the optical fiber storage tray in the pull-out direction by contact of the protrusion at the predetermined pull-out position; and at the predetermined pull-out position. A drawing position locking structure for an optical fiber storage tray, comprising: a locking member that locks to a locked means provided in the holding frame and restricts movement of the optical fiber storage tray in a closing direction. 前記当接部材は、前記光ファイバ収納トレイの移動に伴う前記突部の移動経路上とこの移動経路上から退避した位置との間で移動自在に構成されたストッパ金具であることを特徴とする請求項１に記載の光ファイバ収納トレイの引出位置ロック構造。   The abutting member is a stopper fitting configured to be movable between a movement path of the protrusion and a position retracted from the movement path along with the movement of the optical fiber storage tray. The drawing position lock structure of the optical fiber storage tray according to claim 1. 前記係止部材は、板バネを円弧状に折り曲げてなるクリップであることを特徴とする請求項１または請求項２に記載の光ファイバ収納トレイの引出位置ロック構造。   3. The optical fiber storage tray drawing position lock structure according to claim 1, wherein the locking member is a clip formed by bending a leaf spring into an arc shape. 4. 前記接続部として、一方の前記光ファイバコード先端のプラグと片端プラグ付き光ファイバテープ心線の一端のプラグが抜き差しされるレセプタクルと、他方の前記光ファイバケーブル内のテープ心線と前記片端プラグ付き光ファイバテープ心線の他端との融着接続部とを備え、前記片端プラグ付き光ファイバテープ心線が収納される心線収納部を有する前記光ファイバ収納トレイを、前記筐体の高さ方向に複数配置してなる光ファイバ収納ユニットにおいて、
請求項１から請求項３のいずれか１項に記載の光ファイバ収納トレイの引出位置ロック構造を用いて、前記筐体からの前記各光ファイバ収納トレイの引出位置を保持することを特徴とする光ファイバ収納ユニット。 As the connection part, a receptacle through which one end plug of the optical fiber cord and one end plug of the optical fiber tape core with one end plug is inserted and removed, and the other end of the optical fiber cable with the tape core and the one end plug A fusion splicing portion with the other end of the optical fiber tape core, and the optical fiber storage tray having a core wire storage portion in which the optical fiber tape core with a one-end plug is stored. In the optical fiber storage unit that is arranged in the direction,
The drawing position lock position of the optical fiber storage tray according to any one of claims 1 to 3 is used to hold a drawing position of each optical fiber storage tray from the housing. Optical fiber storage unit. 請求項４に記載された光ファイバ収納ユニットを備える光配線盤。   An optical distribution board comprising the optical fiber storage unit according to claim 4.
JP2005037182A 2005-02-15 2005-02-15 Drawing position locking structure for optical fiber storing tray, optical fiber storing unit, and optical distributing board Pending JP2006227041A (en)

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