JP3478944B2 - Optical distribution board and its tray unit - Google Patents
Optical distribution board and its tray unitInfo
- Publication number
- JP3478944B2 JP3478944B2 JP15116897A JP15116897A JP3478944B2 JP 3478944 B2 JP3478944 B2 JP 3478944B2 JP 15116897 A JP15116897 A JP 15116897A JP 15116897 A JP15116897 A JP 15116897A JP 3478944 B2 JP3478944 B2 JP 3478944B2
- Authority
- JP
- Japan
- Prior art keywords
- tray
- rotation axis
- front side
- lower tray
- support
- 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
【発明の詳細な説明】Detailed Description of the Invention
【０００１】[0001]
【発明の属する技術分野】この発明は、光ファイバ用の
配線盤すなわち光配線盤に関するもので、より詳しく
は、光ファイバケーブルあるいは光ファイバコードなど
の光ファイバ心線の接続部を保持するとともに光ファイ
バの余長部を収納するためのトレイユニットに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wiring board for an optical fiber, that is, an optical wiring board, and more specifically, it holds an optical fiber cable or an optical fiber cord or the like and holds an optical fiber core wire connecting portion. The present invention relates to a tray unit for storing an extra length of fiber.
【０００２】[0002]
【従来の技術】光配線盤は、光ファイバを用いて信号伝
送経路を形成する場合に、幹線等に使用される多心構造
の光ケーブルをローカル線や屋内に分岐接続するために
設置される。光配線盤の内部には、光ファイバ心線の接
続部やケーブル余長部を収納するためのトレイユニット
が設けられる。トレイユニットの構造としては、たとえ
ば、ケース内に複数段のトレイを収納した引き出し式の
トレイユニットが知られている（実開平６−６９９０７
号公報）。2. Description of the Related Art An optical distribution board is installed for branching and connecting a multi-core optical cable used as a trunk line or the like to a local line or indoors when a signal transmission path is formed by using an optical fiber. Inside the optical wiring board, a tray unit for accommodating the connecting portion of the optical fiber core and the extra cable length portion is provided. As a structure of the tray unit, for example, a drawer-type tray unit in which a plurality of trays are housed in a case is known (actual open flat 6-69907).
Issue).
【０００３】[0003]
【発明が解決しようとする課題】しかし、上記従来のト
レイユニットは、引き出し式であるため各トレイの出し
入れに追従する光ファイバの余長が必要となる。そのた
め、ケース内部に光ファイバの余長を処理するスペース
が必要となり、各トレイの大きさに制約を受ける。ま
た、収納ユニットを通路に面した場所に設置した場合、
トレイは通路側に引き出されるため、特に通路幅が狭い
場合、作業スペースが制約を受けて作業性を阻害する。However, since the above-mentioned conventional tray unit is of the pull-out type, it is necessary to have an extra length of the optical fiber which follows the loading and unloading of each tray. Therefore, a space for processing the extra length of the optical fiber is required inside the case, and the size of each tray is restricted. Also, when the storage unit is installed in a place facing the passage,
Since the tray is pulled out to the aisle side, the work space is restricted and the workability is impaired especially when the aisle width is narrow.
【０００４】そこで、この発明の主要な目的は、コンパ
クトで省スペースながら収納容量が大きく、しかも作業
性の良好な光ファイバ接続部収納ユニットを提供するこ
とにある。[0004] Therefore, the main object of the present invention, large storage capacity while saving space in compact, yet to provide a good fiber-optic connecting section enclosure workability.
【０００５】[0005]
【課題を解決するための手段】上記目的を達成するた
め、この発明の光配線盤のトレイユニットは、光ファイ
バの接続部を収納するための複数のトレイを多段に、か
つ、手前側が奥側よりも低くなった傾斜状態で配置し、
各トレイを、手前側が奥側よりも低くなった傾斜状態
と、下段のトレイとの間に手前側が奥側よりも広がった
空間を創出する開き状態とに、選択的に保持するための
保持機構を設けてなり、各トレイが重ね合わせた多角形
の上トレイと下トレイとで構成され、下トレイは奥側の
辺において水平な第一回転軸の回りに回転自在に支持面
に取り付けられ、上トレイと下トレイは手前側の辺の角
部付近にて、下トレイの底面に垂直な第二回転軸を備え
た連結部を介して、第二回転軸を中心として回転自在に
連結され、前記連結部は下トレイの前記手前側の辺と平
行な第三回転軸を備えている。In order to achieve the above object, a tray unit for an optical wiring board according to the present invention comprises a plurality of trays for accommodating optical fiber connecting portions in multiple stages .
, The front side is lower than the back side, it is placed in an inclined state ,
Each tray, the inclined state where the front side is lower than the rear side, in the open state in which the front side to create extended space than the back side between the lower tray, holding for holding selectively A mechanism is provided, and each tray is composed of a polygonal upper tray and a lower tray that are stacked, and the lower tray is attached to the support surface rotatably around a horizontal first rotation axis on the back side. , the upper tray and the lower tray is in the vicinity of the corners of the front side, via a connecting portion having a second rotation axis perpendicular to the bottom surface of the lower tray, rotatably connected about a second rotation axis The connecting portion has a third rotation axis parallel to the front side of the lower tray.
【０００６】ここで、トレイの形状は多角形で、一般的
には矩形のものを手前側と奥側に長辺を配置して用いる
が、台形その他の多角形としてもよい。また、多角形と
称しても必ずしも厳密な意味での角部を有する必要はな
く、たとえば矩形のものの角部を湾曲させて長円あるい
は円に近い形状としたものも含まれるものとする。Here, the tray has a polygonal shape, and generally a rectangular shape is used with its long sides arranged on the front side and the back side, but it may be a trapezoid or other polygons. Further, even if it is referred to as a polygon, it does not necessarily have to have a corner portion in a strict sense, and for example, a rectangular shape having a curved corner portion to have an oval shape or a shape close to a circle is included.
【０００７】複数のトレイを、手前側が奥側よりも低く
なった傾斜状態に多段に配置することにより、引出し式
のように水平の引出を多段に配置する場合に比べて奥行
きが小さくなり、省スペースとなる。さらに、ある特定
のトレイよりも上段に位置するすべてのトレイを開き状
態に保持することにより、当該特定のトレイとその直上
のトレイとの間に空間ができ、しかも、その空間は手前
側が奥側よりも広がっているため、当該特定のトレイ内
に収納した光ファイバ接続部へのアクセスが容易に行な
える。加えて、トレイが手前側が奥側よりも低くなった
状態に保持されているため、作業者の視線および手がト
レイの全面に及びやすく、したがって、トレイ上の光フ
ァイバ接続部についての点検や各種作業を能率よく遂行
できる。また、引出し式のもののように作業時に引出し
分だけ手前側に余分なスペースを確保する必要がないた
め、この点でも省スペースとなる。By arranging a plurality of trays in multiple stages in an inclined state in which the front side is lower than the rear side, the depth is reduced as compared with the case where the horizontal drawers are arranged in multiple stages like the drawer type, and the tray is saved. It becomes a space. Furthermore, by holding all trays located above a specific tray in an open state, a space is created between the specific tray and the tray immediately above, and the space is the front side on the back side. since the spread than access easily to fiber optic connection part housed in the specific tray. In addition, since the tray is held in a state where the front side is lower than the back side, the operator's line of sight and the hand is likely Oyobi on the entire surface of the tray, thus, on the tray light off <br/> § i Bas the inspection and various work on the connection section can be performed efficiently. Further, unlike the drawer type, it is not necessary to secure an extra space on the front side by the amount corresponding to the drawer at the time of working, so that space can be saved in this respect as well.
【０００８】各トレイを重ね合わせた矩形の上トレイと
下トレイとで構成することにより収納容量を高めること
ができる。この場合、下トレイに収納した光ファイバ接
続部についての点検や各種作業を可能にするため、下ト
レイに対する上トレイの位置を変更できるようにする。
たとえば、下トレイを奥側の辺において水平な第一回転
軸の回りに回転自在に支持面に取り付け、上トレイと下
トレイとを手前側の辺の角部付近にて、下トレイの底面
に垂直な第二回転軸を備えた連結部を介して、第二回転
軸を中心として回転自在に連結する。これにより、上ト
レイを第二回転軸を中心として手前側に約９０度回転さ
せて振り出すと、上トレイが下トレイの上から移動して
下トレイのトレイ面が露出する。この状態で下トレイに
収納された光ファイバ接続部へのアクセスが可能とな
る。さらに、上述のようにして手前側に振り出した上ト
レイを、下トレイの手前側の辺と平行な第三回転軸を中
心として回転可能となすことにより、上トレイを下に垂
れ下がらせることができ、省スペースとなると共に作業
もしやすくなる（請求項２）。The storage capacity can be increased by constructing a rectangular upper tray and a lower tray in which the trays are stacked. In this case, the position of the upper tray with respect to the lower tray can be changed so that the optical fiber connection portion housed in the lower tray can be inspected and various operations can be performed.
For example, attached to a rotatably supporting surface about a first rotation axis horizontal the lower tray in the far side of the upper tray and the lower tray at the near side of the edge of the corner portion near the bottom surface of the lower tray Through a connecting portion having a second rotation axis perpendicular to the first rotation axis. As a result, when the upper tray is rotated about the second rotation axis about 90 degrees to the front side and shaken out, the upper tray moves from above the lower tray and the tray surface of the lower tray is exposed. Allowing access to the fiber-optic connection section housed in the lower tray in this state. Further, by making the upper tray swinging out to the front side as described above rotatable about the third rotation axis parallel to the front side of the lower tray, the upper tray can hang down. Therefore, the space is saved and the work is facilitated (claim 2).
【０００９】各トレイを、手前側が奥側よりも低くなっ
た傾斜状態と、下段のトレイとの間に手前側が奥側より
も広がった空間を創出する開き状態とに、選択的に保持
するための保持機構の具体例としては次のようなものを
採用することができる。係合部を備えた支持片を下トレ
イの側面に回転自在に取り付け、前記支持片を当該下ト
レイの下段に位置するトレイの支持軸に係合させること
によってトレイを傾斜状態に保持する（請求項３）。ま
た、支持面と平行な支柱に複数のピンを突設し、前記支
持片の係合部を前記ピンに係合させることによってトレ
イを開き状態に保持する（請求項４）。係合部は支持片
の先端を湾曲凹形に切り欠いただけのものでもよい（請
求項５）。請求項６の発明のように、支持片を手前側に
弾性的に押す部材を設けるとともにストッパに当てて所
定角度に維持することにより、トレイの保持が安定する
だけでなく、トレイを傾斜状態と開き状態との間で移動
させるときの操作が簡便となる。支持片を弾性的に押す
部材としては、コイルばねや圧縮コイルばね、板ばねを
挙げることができる。引っ張りコイルばねも取り付け方
によっては実質的に同じ機能を果たす部材として採用し
得る。In order to selectively hold each tray in an inclined state in which the front side is lower than the back side and an open state in which the front side creates a space wider than the back side between the lower trays The following may be adopted as a specific example of the holding mechanism. A supporting piece provided with an engaging portion is rotatably attached to the side surface of the lower tray, and the supporting piece is engaged with a supporting shaft of the tray located in the lower stage of the lower tray to hold the tray in an inclined state. Item 3). Further, projecting a plurality of pins on the support surface and parallel struts, to hold the engaging portion of the supporting <br/> supporting pieces in a state open to the tray by engaging the pin (claim 4) . The engaging portion may be formed only by cutting the tip of the support piece into a curved concave shape (claim 5). As in the invention of claim 6, by maintaining a predetermined angle support piece against the stopper provided with a member to press elastically on the front side, the tray holding not only stable, tilting the tray status The operation when moving between the open state and the open state becomes simple. A coil spring, a compression coil spring, and a leaf spring can be used as the member that elastically pushes the support piece. A tension coil spring may also be employed as a member that performs substantially the same function depending on the mounting method.
【００１０】請求項７の発明は、重ね合わせた矩形の上
トレイと下トレイとで構成され、下トレイは奥側の辺に
おいて水平な第一回転軸の回りに回転自在に支持面に取
り付けられ、上トレイと下トレイは手前側の辺の角部付
近にて、下トレイの底面に垂直な第二回転軸を備えた連
結部を介して、第二回転軸を中心として回転自在に連結
され、前記連結部は下トレイの前記手前側の辺と平行な
第三回転軸を備えている光ファイバ接続部収納トレイで
ある。既述のように、上トレイを第二回転軸を中心とし
て約９０度回転させて手前に振り出して、第三回転軸の
回りに回転させて下トレイの手前側に垂れ下がらせた状
態で、下トレイへのアクセスを可能にするのである。下
トレイの一辺の立ち上がり壁に光ファイバケーブルを通
すための切り欠き部を設け（請求項８）、下トレイから
上トレイに光ケーブルを導入するため上トレイの一辺の
立ち上がり壁から底部にかけて切り欠き部を設ける（請
求項９）。上トレイの切り欠き部を第二回転軸に近接し
た位置に設けることにより（請求項１０）、上トレイが
下トレイ上に重なっているときと手前側に振り出して垂
下させたときとで変化する上トレイの分岐導入部の位置
の変化量を最小限度にとどめることができ、光ファイバ
の余長が短くて済む。それゆえに、また、各トレイの容
積を小さくすることが可能となり、省スペース、コンパ
クト化に寄与する。According to a seventh aspect of the present invention, the rectangular upper tray and the lower tray are stacked, and the lower tray is attached to the support surface rotatably around the horizontal first rotary shaft on the inner side. , the upper tray and the lower tray is in the vicinity of the corners of the front side, via a connecting portion having a second rotation axis perpendicular to the bottom surface of the lower tray, rotatably connected about a second rotation axis The connection part is an optical fiber connection part storage tray having a third rotation axis parallel to the front side of the lower tray. As described above, the upper tray is rotated about 90 degrees about the second rotation axis and is swung out toward the front, and is rotated around the third rotation axis and hung down toward the front side of the lower tray, It allows access to the lower tray. A cutout portion for passing an optical fiber cable is provided on a rising wall on one side of the lower tray (claim 8), and a cutout portion is provided from the rising wall on one side of the upper tray to a bottom portion for introducing the optical cable from the lower tray to the upper tray. Is provided (claim 9). By providing the cutout portion of the upper tray at a position close to the second rotation shaft (claim 10), it changes depending on whether the upper tray overlaps with the lower tray or when the upper tray is swung out toward the front side and hung down. The amount of change in the position of the branch introducing portion of the upper tray can be minimized, and the extra length of the optical fiber can be shortened. Therefore, the volume of each tray can be reduced, which contributes to space saving and size reduction.
【００１１】請求項１１の発明は、次の（イ）（ロ）
（ハ）の要素を具備してなり、任意の一のトレイよりも
上段のすべてのトレイを開き状態に保持した状態で、当
該一のトレイにおける上トレイを第二回転軸の回りにほ
ぼ９０度回転させるとともに上トレイを第三回転軸の回
りに回転させて下トレイの手前側に垂下させるようにし
た光配線盤である。（イ）垂直な支持面と、前記支持面
と平行な支柱を備えた筐体。（ロ）支持面に多段に配置
した複数のトレイ。各トレイは、重ね合わせた矩形の上
トレイと下トレイとで構成され、下トレイは奥側の辺に
おいて水平な第一回転軸の回りに回転自在に支持面に取
り付けられ、上トレイと下トレイは手前側の辺の角部付
近にて、トレイの底面に垂直な第二回転軸を備えた連結
部を介して、第二回転軸を中心として回転自在に連結さ
れ、前記連結部は下トレイの前記手前側の辺と平行な第
三回転軸を備える。（ハ）各トレイを、手前側が奥側よ
りも低くなった傾斜状態と、下段のトレイとの間に手前
側が奥側よりも広がった空間を創出する開き状態とに、
選択的に保持するための保持機構。保持機構は、下トレ
イの側面から突出した支持軸に回転自在に取り付けた支
持片と、支柱に突設した複数のピンとを具備し、トレイ
の支持片の係合部を下段に位置するトレイの支持軸に係
合させると、当該トレイは傾斜状態に保持され、トレイ
の支持片の係合部を支柱のピンに係合させると、当該ト
レイは開き状態に保持される。The invention of claim 11 includes the following (a) (b)
It comprises a component of (c), while keeping the state open all trays upper than any one tray, approximately 90 degrees on the tray in the tray the one around the second rotation axis The optical wiring board is configured to rotate and rotate the upper tray around the third rotation axis so as to hang down on the front side of the lower tray. (A) A housing provided with a vertical support surface and a column parallel to the support surface. (B) A plurality of trays arranged in multiple stages on the support surface . Each tray is composed of a rectangular upper tray and a lower tray that are overlapped with each other.The lower tray is attached to the support surface rotatably around a horizontal first rotation axis on the back side , and the upper tray and the lower tray are attached. is in the vicinity corners of the front side, via a connecting portion having a second rotation axis perpendicular to the bottom surface of the tray, rotatably connected about a second rotation axis, the front Symbol connecting portion A third rotation axis parallel to the front side of the lower tray is provided. (C) Each tray is placed in an inclined state where the front side is lower than the back side and an open state where a space where the front side is wider than the back side is created between the lower trays,
A holding mechanism for holding selectively . Hold mechanism includes a support piece mounted rotatably on a support shaft protruding from the side surface of the lower tray, and a plurality of pins projecting from the post, the engagement portion of the support piece of the tray <br/> lower When engaged to the tray of the support shaft is close to the tray is held in an inclined state, when engaging the engagement portion of the tray of the support piece to the pin of the post, Ru is held in the tray open state .
【００１２】[0012]
【発明の実施の形態】以下、図面に従ってこの発明の実
施の形態を説明する。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.
【００１３】図１は床面に設置された光配線盤の概観を
示す。図は筐体（２）の前面扉（３）を開いた状態であ
って、トレイを多段に配置したトレイユニット（１）が
現れている。筐体（２）は前面扉（３）と背面板（４）
と側面板（５）と頂板（６）で構成され、背面板（４）
がトレイユニット（１）を取り付けるための支持面
（７）を提供する。ここで、図１の紙面の表側を手前
側、紙背側を奥側ということとする。なお、図１では光
ファイバケーブルや光ファイバコード、コネクタ等を省
略してある。FIG. 1 shows an overview of an optical distribution board installed on the floor. The figure shows a state in which the front door (3) of the housing (2) is opened, and a tray unit (1) in which trays are arranged in multiple stages is shown. The housing (2) has a front door (3) and a back plate (4).
And a side plate (5) and a top plate (6), and a back plate ( 4 )
Provide a support surface (7) for mounting the tray unit (1). Here, the front side of the paper surface of FIG. 1 is the front side, and the paper back side is the back side. In FIG. 1, optical fiber cables, optical fiber cords, connectors, etc. are omitted.
【００１４】トレイユニット（１）は、図２〜図５に示
すように、コネクタ等の光ファイバ接続部（８）および
光ファイバの余長部（９）を収納するためのトレイ（１
０）を多段に配置したものである。各トレイ（１０）は
重ね合わせた上トレイ（１０ａ）と下トレイ（１０ｂ）
とで構成される。上トレイ（１０ａ）および下トレイ
（１０ｂ）は矩形で四辺に立上がり壁（１２）を備えた
概ね角盆のような形状を呈している。図４および図５に
おいて斜線で透明の表示を施した部材は、上トレイ（１
０ａ）および下トレイ（１０ｂ）のトレイ面上に脱着可
能に装着した透明のアクリル板で作られたカバーであっ
て、トレイ内の光ファイバやコネクタ等を保護するため
のものである。As shown in FIGS. 2 to 5, the tray unit (1) is a tray (1) for accommodating an optical fiber connecting portion (8) such as a connector and an extra length portion (9) of the optical fiber.
0) is arranged in multiple stages. Each tray (10) is a stacked upper tray (10a) and lower tray (10b).
Composed of and. The upper tray (10a) and the lower tray (10b) are rectangular and have a shape like a square tray with rising walls (12) on four sides. In FIG. 4 and FIG. 5, the members marked with transparent hatching indicate that the upper tray (1
0a) and the lower tray (10b), which is a cover made of a transparent acrylic plate removably mounted on the tray surface for protecting optical fibers, connectors and the like in the tray.
【００１５】下トレイ（１０ｂ）は奥側の辺において水
平な第一回転軸（Ｘ）の回りに回転自在に支持面（７）
に取り付けてある。上トレイ（１０ａ）と下トレイ（１
０ｂ）は手前側の辺の角部付近にて、トレイの底面に垂
直な第二回転軸（Ｙ）を備えた連結部（１４）を介し
て、第二回転軸（Ｙ）を中心として回転自在に連結され
ている。連結部（１４）は下トレイ（１０ｂ）の手前側
の辺と平行な第三回転軸（Ｚ）を備える。図示した例で
は連結部（１４）は蝶番の形態をとっている（図１０
（Ｅ）参照）。The lower tray (10b) has a support surface (7) rotatably around a horizontal first rotation axis (X) on the inner side.
It is attached to. Upper tray (10a) and lower tray (1
0b) is in the vicinity of the corners of the front side, connecting portion having a second rotation axis perpendicular to the bottom surface of the tray (Y) through (14), second rotation axis (Y) as the center It is rotatably connected. The connecting portion (14) has a third rotation axis (Z) parallel to the front side of the lower tray (10b). In the example shown, the connection (14) is in the form of a hinge (Fig. 10).
(See (E)).
【００１６】下トレイ（１０ｂ）の一辺の立ち上がり壁
（１２）に切り欠き部（１３）を設け、上トレイ（１０
ａ）用と下トレイ（１０ｂ）用の光ファイバをまとめて
この切り欠き部（１３）から下トレイ（１０ｂ）内に導
入する。また、下トレイ（１０ｂ）内に導入した光ファ
イバの一部を上トレイ（１０ａ）に導入するため、上ト
レイ（１０ａ）の一辺の立ち上がり壁（１２）から底部
にかけて切り欠き部（１５）を設ける。上トレイ（１０
ａ）の切り欠き部（１５）を第二回転軸（Ｙ）に近接し
た位置に設けることにより、上トレイ（１０ａ）が下ト
レイ（１０ｂ）上に重なっているときと手前側に振り出
して垂下させたときとで変化する切り欠き部（１５）の
位置の変化量を最小限度にとどめるのが、光ファイバの
余長を短くする上で有利である。A cutout portion (13) is provided on a rising wall (12) on one side of the lower tray (10b), and an upper tray (10) is provided.
The optical fibers for a) and for the lower tray (10b) are collectively introduced into the lower tray (10b) through the notch (13). Moreover, since a part of the optical fiber introduced into the lower tray (10b) is introduced into the upper tray (10a), a cutout portion (15) is formed from the rising wall (12) on one side of the upper tray (10a) to the bottom portion. Set up. Upper tray (10
By providing the notch (15) of (a) at a position close to the second rotation axis (Y), the upper tray (10a) is hung down when it is overlapped with the lower tray (10b) and hung downward. It is advantageous to shorten the extra length of the optical fiber to minimize the amount of change in the position of the notch (15) that changes depending on the time.
【００１７】各トレイ（１０）を、手前側が奥側よりも
低くなった傾斜状態と、下段のトレイ（１０）との間に
手前側が奥側よりも広がった空間を創出する開き状態と
に、選択的に保持するための保持機構を設ける。傾斜状
態におけるトレイ（１０）の傾斜角度は、たとえば１５
度程度が適当であるが、トレイ面へのアクセスや作業が
容易で、かつ、筐体（２）の高さ方向の寸法を過度に増
大させない範囲で適宜設定することができるものであ
る。また、開き状態におけるトレイ（１０）の角度ない
し姿勢は、下段のトレイ（１０）との間に下段のトレイ
（１０）へのアクセスを可能にする適当な作業空間を形
成させるという見地より設定され、たとえば、ほぼ水平
か、図２に示すように多少手前側が高くなる程度に保持
するのが好ましい。The trays (10) are placed in an inclined state in which the front side is lower than the rear side and in an open state in which a space in which the front side is wider than the rear side is created between the trays (10) in the lower stage. A holding mechanism for selectively holding is provided. The inclination angle of the tray (10) in the inclined state is, for example, 15
Although the degree is appropriate, it can be appropriately set within a range that allows easy access to the tray surface and work, and does not excessively increase the size of the housing (2) in the height direction. Further, the angle or posture of the tray (10) in the opened state is set from the viewpoint of forming an appropriate working space between the lower tray (10) and the lower tray (10) to allow access to the lower tray (10). For example, it is preferable to hold it so that it is substantially horizontal or slightly higher on the front side as shown in FIG.
【００１８】保持機構の具体的構成を図２および図９に
従って例示する。すなわち、下トレイ（１０ｂ）の側面
にトレイ面と平行に突出した支持軸（１６）を設け、こ
の支持軸（１６）に回転自在に支持片（１８）を取り付
ける。一方、トレイ（１０）の連結部（１４）に隣接す
る位置に支柱（２０）を設置し、この支柱（２０）の長
さ方向に等間隔で複数のピン（２２）を固定する。支持
片（１８）の先端には支持軸（１６）およびピン（２
２）と係合し得る湾曲凹形の係合部（１９）を設ける。
支持片（１８）の係合部（１９）を下段のトレイ（１
０）の下トレイ（１０ｂ）の支持軸（１６）に係合させ
ることによって当該トレイは傾斜状態に保持され、ま
た、トレイ（１０）の手前側を持ち上げて支持片（１
８）の係合部（１９）を支柱（２０）のピン（２２）に
係合させることによって当該トレイ（１０）は開き状態
に保持される。この状態で、当該トレイ（１０）の下段
のトレイ（１０）の上トレイ（１０ａ）にアクセスする
ことができる。A specific structure of the holding mechanism will be illustrated with reference to FIGS. 2 and 9. That is, a support shaft (16) protruding parallel to the tray surface is provided on the side surface of the lower tray (10b), and a support piece (18) is rotatably attached to the support shaft (16). On the other hand, the column (20) is installed at a position adjacent to the connecting portion (14) of the tray (10), and a plurality of pins (22) are fixed at equal intervals in the length direction of the column (20). The support shaft (16) and the pin (2
There is provided a curved concave engagement part (19) capable of engaging with 2).
The engaging portion (19) of the support piece (18) is connected to the lower tray (1
0) is engaged with the support shaft (16) of the lower tray (10b) to hold the tray in an inclined state, and the front side of the tray (10) is lifted to support the support piece (1).
The tray (10) is held in the open state by engaging the engaging portion (19) of 8) with the pin (22) of the column (20). In this state, the upper tray (10a) of the lower tray (10) of the tray (10) can be accessed.
【００１９】また、特定のトレイの下トレイにアクセス
するときは、図６〜図８に示すように、当該特定のトレ
イ（１０）よりも上段のすべてのトレイ（１０）を開き
状態に保持した状態で、当該特定のトレイ（１０）にお
ける上トレイ（１０ａ）を第二回転軸（Ｙ）の回りにほ
ぼ９０度回転させて手前側に振り出すとともに上トレイ
（１０ａ）を第三回転軸（Ｚ）の回りに回転させて下ト
レイ（１０ｂ）の手前側に垂れ下がらせる。これによ
り、上トレイ（１０ａ）に隠れていた下トレイ（１０
ｂ）のトレイ面が露出する。なお、図６〜図８は光ファ
イバ接続部を収納するまえの空の状態を示している。When accessing the lower tray of a particular tray, as shown in FIGS. 6 to 8, all the trays (10) above the particular tray (10) are held open. In this state, the upper tray (10a) of the specific tray (10) is rotated about 90 degrees around the second rotation axis (Y) and is shook out to the front side, and the upper tray (10a) is rotated toward the third rotation axis ( It is rotated around Z) so that it hangs toward the front side of the lower tray (10b). As a result, the lower tray (10a) hidden in the upper tray (10a) is
The tray surface of b) is exposed. 6 to 8 show an empty state before housing the optical fiber connecting portion.
【００２０】図２および図９では、支持片（１８）を手
前側に向けて、つまり図では左向きに、弾性的に押す部
材としてコイルバネ（１７）を採用するとともに、下ト
レイ（１０ｂ）にストッパ（図示省略）を設けて、支持
片（１８）を図示するような角度に弾性的に保持した構
成を示している。当該角度すなわちトレイ（１０）に対
する支持片（１８）の角度は、トレイ（１０）が傾斜状
態にあるときでも開き状態にあるときでも同じである。
これにより、トレイ（１０）を傾斜状態から開き状態に
移動させるとき、支持片がコイルバネ（１７）の弾性力
に抗して奥側に逃げつつ支柱のピンを通過する。したが
って、トレイ（１０）の手前側を持ち上げて対応するピ
ン（２２）を通過させ、その後トレイ（１０）を降ろす
と支持片（１８）の係合部（１９）がそのピン（２２）
に係合する。トレイ（１０）を開き状態から傾斜状態に
移動させるときは、支持片（１８）とピン（２２）との
係合を解いてトレイ（１０）を下方に移動させるだけ
で、支持片（１８）の係合部（１９）が下段のトレイ
（１０）の支持軸（１６）と係合するに至る。2 and 9, a coil spring (17) is employed as a member for elastically pushing the support piece (18) toward the front side, that is, leftward in the figure, and a stopper is provided on the lower tray (10b). (Not shown) is provided to elastically hold the support piece (18) at an angle as shown. The angle, that is, the angle of the support piece (18) with respect to the tray (10) is the same whether the tray (10) is in the tilted state or in the open state.
Thus, when moving to the opened state tray (10) from the inclined state, the support piece passes through the pins of the posts while escaping to the rear side against the elastic force of the coil spring (17). Therefore, when the front side of the tray (10) is lifted to pass the corresponding pin (22) and then the tray (10) is lowered, the engaging portion (19) of the support piece (18) causes the pin (22) to move.
Engage with. When the tray (10) is moved from the open state to the inclined state, the support piece (18) is simply moved by disengaging the support piece (18) and the pin (22) and moving the tray (10) downward. The engaging portion (19) of the above engages with the support shaft (16) of the lower tray (10).
【００２１】[0021]
【発明の効果】以上説明したように、この発明の光配線
盤によれば、作業性の良い完全前面作業が実現し、すべ
てのケーブル引き込み光芯線接続作業が光配線盤の前面
で実行できる。三軸回転式収納構造のペアトレイ（上ト
レイ、下トレイ）を採用してトレイを多層化したことに
より、収納容量が増大したばかりでなく、光ケーブル余
長の最小化、ストレス緩和といった効果も得られる。三
軸回転式収納構造のペアトレイ（上トレイ、下トレイ）
は、引き出し式トレイのように作業スペースに張り出す
ことがなく、作業スペースの大幅削減が実現した。As described above, according to the optical distribution board of the present invention, the complete front surface work with good workability can be realized, and all the cable pull-in optical fiber connection work can be executed on the front surface of the optical distribution board. By adopting a pair of trays (upper tray, lower tray) with a triaxial rotation type storage structure, the trays have multiple layers, which not only increases the storage capacity, but also has the effect of minimizing the excess length of the optical cable and reducing stress. . Paired trays (upper tray, lower tray) with triaxial rotation storage structure
Unlike the pull-out tray, it does not overhang the work space, and the work space has been greatly reduced.
【図１】光配線盤の開扉状態の正面図である。FIG. 1 is a front view of an optical wiring board in a door open state.
【図２】トレイユニットの側面図である。FIG. 2 is a side view of the tray unit.
【図３】上トレイの斜視図である。FIG. 3 is a perspective view of an upper tray.
【図４】下トレイの斜視図である。FIG. 4 is a perspective view of a lower tray.
【図５】上トレイを垂下させた状態の正面図である。FIG. 5 is a front view of a state where the upper tray is hung.
【図６】上トレイをＹ軸の回りに回転させる過程を示す
斜視図である。FIG. 6 is a perspective view showing a process of rotating the upper tray around the Y axis.
【図７】上トレイを手前に振り出した状態の斜視図であ
る。FIG. 7 is a perspective view showing a state in which an upper tray is swung out to the front.
【図８】上トレイを垂下させた状態の斜視図である。FIG. 8 is a perspective view of a state where the upper tray is hung.
【図９】トレイを傾斜状態から開き状態に変更する過程
を示す側面図である。FIG. 9 is a side view showing a process of changing the tray from the inclined state to the opened state.
【図１０】（Ａ）〜（Ｄ）はペアトレイの模式的斜視
図、（Ｅ）は連結部の斜視図である。10A to 10D are schematic perspective views of a pair tray, and FIG. 10E is a perspective view of a connecting portion.
１トレイユニット ２筐体 ３前面扉 ４背面板 ５側面板 ６頂板 ７ 支持面 ８光ファイバ接続部（コネクター） ９余長部 １０トレイ（ペアトレイ） １０ａ上トレイ １０ｂ下トレイ １２立ち上がり部 １３切り欠き １４連結部 １５切り欠き １６支持軸 １８支持片 １９係合部 ２０支柱 ２２ピン Ｘ第一回転軸 Ｙ 第二回転軸 Ｚ 第三回転軸 1 tray unit 2 cases 3 front door 4 back plate 5 side plates 6 top plate 7 Support surface 8 Optical fiber connection (connector) 9 extra length 10 trays (pair tray) 10a upper tray 10b lower tray 12 rising part 13 cutouts 14 connections 15 notches 16 support shafts 18 support pieces 19 engaging part 20 props 22 pin X first rotation axis Y 2nd rotation axis Z Third rotation axis
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 平10−339823（ＪＰ，Ａ) 特開 平10−153712（ＪＰ，Ａ) 特開 平７−294750（ＪＰ，Ａ) 実開 平２−81504（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) Reference JP 10-339823 (JP, A) JP 10-153712 (JP, A) JP 7-294750 (JP, A) Actual flat 2- 81504 (JP, U) (58) Fields surveyed (Int.Cl. 7 , DB name) G02B 6/00 G02B 6/24
Claims (11)
数のトレイを多段に、かつ、手前側が奥側よりも低くな
った傾斜状態で配置し、各トレイを、手前側が奥側より
も低くなった傾斜状態と、下段のトレイとの間に手前側
が奥側よりも広がった空間を創出する開き状態とに、選
択的に保持するための保持機構を設けてなり、各トレイ
が重ね合わせた多角形の上トレイと下トレイとで構成さ
れ、下トレイは奥側の辺において水平な第一回転軸の回
りに回転自在に支持面に取り付けられ、上トレイと下ト
レイは手前側の辺の角部付近にて、下トレイの底面に垂
直な第二回転軸を備えた連結部を介して、第二回転軸を
中心として回転自在に連結され、前記連結部は下トレイ
の前記手前側の辺と平行な第三回転軸を備えている光配
線盤のトレイユニット。1. A plurality of trays for accommodating optical fiber connection portions are provided in multiple stages , and the front side is lower than the back side.
Place in Tsu inclined state, each tray, the inclined state where the front side is lower than the rear side, in the open state in which the front side to create extended space than the back side between the lower tray, A holding mechanism for selectively holding the tray is provided, and each tray is composed of a polygonal upper tray and a lower tray, and the lower tray is provided around the horizontal first rotation axis on the inner side. rotatably attached to the support surface, the upper tray and the lower tray is in the vicinity of the corners of the front side, via a connecting portion having a second rotation axis perpendicular to the bottom surface of the lower tray, a second rotary A tray unit for an optical wiring board, which is rotatably connected about an axis, and the connecting portion includes a third rotation axis parallel to the front side of the lower tray.
イを開き状態で、当該特定のトレイにおける上トレイを
第二回転軸の回りにほぼ９０度回転させるとともに上ト
レイを第三回転軸の回りに回転させて下トレイの手前側
に垂下させるようにしたことを特徴とする請求項１の光
配線盤のトレイユニット。Wherein all the trays of the upper than a specific tray open can state, the third rotating shaft on the tray is rotated substantially 90 degrees on the tray about the second rotation axis in the specific tray 2. The tray unit for an optical wiring board according to claim 1, wherein the tray unit is rotated around and is hung down toward the front side of the lower tray.
に回転自在に取り付け、前記支持片を当該下トレイの下
段に位置するトレイの支持軸に係合させることによって
トレイを傾斜状態に保持することを特徴とする請求項１
の光配線盤のトレイユニット。The 3. A support piece having an engagement portion rotatably attached to the side surface of the lower tray, said support piece by the be engaged with the support shaft of the tray located in the lower part of the lower tray
Claim, characterized in that to hold the tray in the inclined state 1
Optical wiring board tray unit.
し、前記支持片の係合部を前記ピンに係合させることに
よってトレイを開き状態に保持することを特徴とする請
求項３の光配線盤のトレイユニット。 4. A tray is held in an open state by projecting a plurality of pins on a column parallel to a supporting surface and engaging an engaging portion of the supporting piece with the pins. 3 optical wiring board tray unit.
曲凹部であることを特徴とする請求項３または４の光配
線盤のトレイユニット。5. The tray unit for an optical wiring board according to claim 3, wherein the engaging portion is a curved concave portion formed at the tip of the support piece.
けるとともにストッパに当てて所定角度に維持したこと
を特徴とする請求項５の光配線盤のトレイユニット。6. A tray unit for an optical wiring board according to claim 5, wherein a member for elastically pushing the supporting piece is provided on the front side and is kept at a predetermined angle by contacting with a stopper.
とで構成され、下トレイは奥側の辺において水平な第一
回転軸の回りに回転自在に支持面に取り付けられ、上ト
レイと下トレイは手前側の辺の角部付近にて、下トレイ
の底面に垂直な第二回転軸を備えた連結部を介して、第
二回転軸を中心として回転自在に連結され、前記連結部
は下トレイの前記手前側の辺と平行な第三回転軸を備え
ている光ファイバ接続部収納トレイ。7. A rectangular upper tray and a lower tray which are overlapped with each other, wherein the lower tray is attached to a support surface rotatably around a horizontal first rotation axis on the back side, and the upper tray and the lower tray are attached. tray at near the corner portion of the front side, via a connecting portion having a second rotation axis perpendicular to the bottom surface of the lower tray, rotatably connected about a second rotation axis, the connecting portion Is an optical fiber connection part storage tray having a third rotation axis parallel to the front side of the lower tray.
ァイバケーブルを通すための切り欠き部を設けた請求項
７の光ファイバ接続部収納トレイ。8. The optical fiber connection section storage tray according to claim 7, wherein a cutout portion for passing an optical fiber cable is provided on a rising wall on one side of the lower tray.
にかけて切り欠き部を設けた請求項７の光ファイバ接続
部収納トレイ。9. The optical fiber connection section storage tray according to claim 7, wherein a cutout portion is provided from a rising wall on one side of the upper tray to a bottom portion.
した位置に設けたことを特徴とする請求項９の光ファイ
バ接続部収納トレイ。10. The optical fiber according to claim 9, wherein the cutout portion is provided at a position close to the second rotating shaft.
Server connection section storage tray.
なり、任意の一のトレイよりも上段のすべてのトレイを
開き状態に保持した状態で、当該一のトレイにおける上
トレイを第二回転軸の回りにほぼ９０度回転させるとと
もに上トレイを第三回転軸の回りに回転させて下トレイ
の手前側に垂下させるようにした光配線盤。 （イ）垂直な支持面と、前記支持面と平行な支柱を備え
た筐体。 （ロ）支持面に多段に配置した複数のトレイ。各トレイ
は、重ね合せた矩形の上トレイと下トレイとで構成さ
れ、下トレイは奥側の辺において水平な第一回転軸の回
りに回転自在に支持面に取り付けられ、上トレイと下ト
レイは手前側の辺の角部付近にて、トレイの底面に垂直
な第二回転軸を備えた連結部を介して、第二回転軸を中
心として回転自在に連結され、前記連結部は下トレイの
前記手前側の辺と平行な第三回転軸を備える。 （ハ）各トレイを、手前側が奥側よりも低くなった傾斜
状態と、下段のトレイとの間に手前側が奥側よりも広が
った空間を創出する開き状態とに、選択的に保持するた
めの保持機構。保持機構は、下トレイの側面から突出し
た支持軸に回転自在に取り付けた支持片と、支柱に突設
した複数のピンとを具備し、トレイの支持片の係合部を
下段に位置するトレイの支持軸に係合させると、当該ト
レイは傾斜状態に保持され、トレイの支持片の係合部を
支柱のピンに係合させると、当該トレイは開き状態に保
持される。11. become comprises a following (a) (ii) (c), while keeping the state open all trays upper than any one tray, the upper in the tray the one tray Is an optical wiring board in which the upper tray is rotated about the second rotation axis by about 90 degrees and the upper tray is rotated about the third rotation axis so that the upper tray hangs toward the front side of the lower tray. (A) A housing provided with a vertical support surface and a column parallel to the support surface. (B) A plurality of trays arranged in multiple stages on the support surface . Each tray consists of a rectangular top tray and a bottom tray that are stacked together.
Is, the lower tray attached, et al is to rotatably support surface about a horizontal first rotation axis in the far side of the upper tray and the lower tray is in the vicinity of the corners of the front edge, the bottom surface of the tray via a connecting portion having a second rotation axis perpendicular to, it is rotatably connected around a second rotation axis, front Symbol connecting portion the front side and parallel to the third rotation shaft of the lower tray Equipped with. (C) To selectively hold each tray in an inclined state in which the front side is lower than the back side and in an open state in which the front side creates a space wider than the back side between the lower trays Retention mechanism . Hold mechanism, comprising a support piece mounted rotatably on a support shaft protruding from the side surface of the lower tray, and a plurality of pins projecting from the support post, the position of the engagement portion of the support piece of the Tray in the lower When engaged with the tray of the support shaft which, the trays are held in an inclined state, when engaging the engagement portion of the tray of the support piece to the pin of the post, said tray Ru is held in the open state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15116897A JP3478944B2 (en) | 1997-06-09 | 1997-06-09 | Optical distribution board and its tray unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15116897A JP3478944B2 (en) | 1997-06-09 | 1997-06-09 | Optical distribution board and its tray unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10339817A JPH10339817A (en) | 1998-12-22 |
| JP3478944B2 true JP3478944B2 (en) | 2003-12-15 |
Family
ID=15512812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15116897A Expired - Fee Related JP3478944B2 (en) | 1997-06-09 | 1997-06-09 | Optical distribution board and its tray unit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3478944B2 (en) |
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|---|---|
| JPH10339817A (en) | 1998-12-22 |
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