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JP2003215353A - Optical module - Google Patents

Optical module

Info

Publication number
JP2003215353A
JP2003215353A JP2002019147A JP2002019147A JP2003215353A JP 2003215353 A JP2003215353 A JP 2003215353A JP 2002019147 A JP2002019147 A JP 2002019147A JP 2002019147 A JP2002019147 A JP 2002019147A JP 2003215353 A JP2003215353 A JP 2003215353A
Authority
JP
Japan
Prior art keywords
latch
optical
module
connector
storage unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2002019147A
Other languages
Japanese (ja)
Other versions
JP3964217B2 (en
Inventor
Mikimasa Shindou
幹正 進藤
Kazuya Ogata
和也 緒方
Yoshikazu Nomura
義和 野村
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujikura Ltd
Original Assignee
Fujikura Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fujikura Ltd filed Critical Fujikura Ltd
Priority to JP2002019147A priority Critical patent/JP3964217B2/en
Publication of JP2003215353A publication Critical patent/JP2003215353A/en
Application granted granted Critical
Publication of JP3964217B2 publication Critical patent/JP3964217B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Light Guides In General And Applications Therefor (AREA)
  • Mechanical Coupling Of Light Guides (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To develop a technique which can improve the workability of connector connection of optical fibers to optical connectors or the like by avoiding interference with optical fibers wired with a high density in the vicinity of an optical connector (adapter) in the side part of each optical module in the case that a plurality of optical modules for connector termination and excess length storage of optical fibers are stored in an optical wiring board or the like. <P>SOLUTION: With respect to an optical module 10, a latch 20 freely detachable from a storage unit can be attached to a latch attaching part 11 formed in a connector side end 12A being the side part to which an optical connector adapter 14 is attached. Since the latch 20 is freely detachable from the latch attaching part 11, a latch adapted to the shape, the size, or the like of the storage unit can be used. <P>COPYRIGHT: (C)2003,JPO

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【発明の属する技術分野】本発明は、光ファイバを収納
するケース状のモジュール本体の側部に、前記光ファイ
バをコネクタ接続可能に成端する光コネクタを有する光
モジュールに関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an optical module having an optical connector for terminating the optical fiber on a side of a case-shaped module main body for accommodating the optical fiber.

【0002】[0002]

【従来の技術】例えば、光配線盤等にあっては、外観薄
板状のケースである光モジュールを用い、この光モジュ
ールの側部に取り付けられた光コネクタによって光ファ
イバをコネクタ接続可能に成端するとともに、光ファイ
バの余長を前記光モジュール内に収納する構成が提案さ
れている。
2. Description of the Related Art For example, in an optical distribution board or the like, an optical module which is a case having a thin outer appearance is used, and an optical fiber is attached to a side portion of the optical module so that an optical fiber can be connected to a connector. In addition, a structure has been proposed in which the extra length of the optical fiber is housed in the optical module.

【0003】図13(a)、(b)は、光モジュールを
用いた光配線盤の一例を示す図であって、(a)は正面
図、(b)は側断面図である。図13(a)、(b)
中、符号1は光配線盤、2は成端ユニット、3は光モジ
ュールである。図13(a)、(b)において、光配線
盤1に設けられた成端ユニット2には、外観薄板ケース
状の光モジュール3が縦置きにして横並びに複数配列収
納されている。各光モジュール3は、成端ユニット2に
引き込まれた光ファイバ4の余長を収納するとともに、
その側部に取り付けられた光コネクタ5(光コネクタア
ダプタ)によって前記光ファイバ4をコネクタ接続可能
に成端するようになっている。各光モジュール3の光コ
ネクタ5は、成端ユニット2の一側部である作業面側
(図13(b)中左側)に向けられており、成端ユニッ
ト2の作業面側に引き込まれた光ファイバ6が前記光コ
ネクタ5にコネクタ接続されることで光ファイバ4、6
同士が接続される。光ファイバ6は、先端が光コネクタ
7(光コネクタプラグ)によってコネクタ接続可能に成
端されており、成端ユニット2に収納された各光モジュ
ール3の光コネクタ5に対する光コネクタ7の接続を切
り替えることで、光ファイバ4に対して切り替え接続さ
れる。前記光モジュール3は成端ユニット2から作業面
側に引き出し可能であり、内部への光ファイバ4の引き
込み、光コネクタ5に対する光ファイバ4の接続の切り
替え等、光モジュール3内部での作業を行うときは、光
モジュール3を作業面側に引き出して成端ユニット2か
ら取り出し、作業台上で開放する。光モジュール3は作
業面側から成端ユニット2に挿入することで収納でき
る。
FIGS. 13A and 13B are views showing an example of an optical wiring board using an optical module. FIG. 13A is a front view and FIG. 13B is a side sectional view. 13 (a), (b)
Among them, reference numeral 1 is an optical wiring board, 2 is a termination unit, and 3 is an optical module. In FIGS. 13A and 13B, a plurality of optical modules 3 in the form of a thin plate case are placed vertically and arranged side by side in a termination unit 2 provided on an optical wiring board 1. Each optical module 3 accommodates the excess length of the optical fiber 4 drawn into the termination unit 2, and
An optical connector 5 (optical connector adapter) attached to the side of the optical fiber 4 terminates the optical fiber 4 so that the connector can be connected. The optical connector 5 of each optical module 3 is directed to the work surface side (left side in FIG. 13B), which is one side of the termination unit 2, and is drawn into the work surface side of the termination unit 2. By connecting the optical fiber 6 to the optical connector 5, the optical fibers 4 and 6 are connected.
The two are connected. The end of the optical fiber 6 is terminated by an optical connector 7 (optical connector plug) so as to be connectable to the connector, and the connection of the optical connector 7 to the optical connector 5 of each optical module 3 housed in the termination unit 2 is switched. Thus, the optical fiber 4 is switched and connected. The optical module 3 can be pulled out from the terminating unit 2 to the work surface side, and works inside the optical module 3 such as pulling in the optical fiber 4 inside and switching connection of the optical fiber 4 to the optical connector 5 are performed. At this time, the optical module 3 is pulled out to the work surface side, taken out from the termination unit 2, and opened on the workbench. The optical module 3 can be stored by inserting it into the termination unit 2 from the work surface side.

【0004】[0004]

【発明が解決しようとする課題】ところで、前述のよう
な光配線盤1の成端ユニット2に収納される光モジュー
ル3は、作業面側から成端ユニット2への挿入方向最奥
部のストッパ(図示略)に突き当てるようにして一律に
位置決めされるようになっており、成端ユニット2に収
納された各光モジュール3の光コネクタ5は、成端ユニ
ット2の作業面側の一定領域8(以下「コネクタ配列領
域8」)に揃えられる。しかしながら、このような構成
では、コネクタ配列領域8付近に多数本の光ファイバ6
が高密度に配線されることとなり、これが作業面側から
の光ファイバ6のコネクタ接続や切り替え接続等の作業
性低下の原因になっていた。すなわち、光モジュール3
の光コネクタ5に対する光ファイバ6の接続や切り替え
接続等の作業を行うにあたり、コネクタ配列領域8付近
で高密度に配線されている光ファイバ6が作業の邪魔に
なり、活線状態の光ファイバ6に触れて光通信の瞬断を
生じさせたり、場合によっては光ファイバ6を折り曲げ
て傷めてしまう可能性がある。このため、作業は、光フ
ァイバ6との接触を回避しつつ慎重に進めざるを得ず、
作業性の低下が余儀なくされていた。また、コネクタ配
列領域8付近の光ファイバ6が回線の確認の邪魔になっ
て、誤接続の原因になるといった不満もある。
By the way, the optical module 3 housed in the terminating unit 2 of the optical wiring board 1 as described above has the stopper at the innermost portion in the insertion direction from the work surface side to the terminating unit 2. The optical connector 5 of each optical module 3 housed in the termination unit 2 is arranged so as to abut against (not shown). 8 (hereinafter referred to as "connector array area 8"). However, in such a configuration, a large number of optical fibers 6 are provided near the connector array area 8.
Is to be wired at a high density, which causes a reduction in workability such as connector connection and switching connection of the optical fiber 6 from the work surface side. That is, the optical module 3
When performing work such as connection and switching connection of the optical fiber 6 to the optical connector 5 of the optical fiber 6, the optical fibers 6 that are densely wired near the connector array region 8 interfere with the work, and the optical fiber 6 in the live line state There is a possibility that the optical fiber 6 may be broken by being touched by touching the optical fiber, or the optical fiber 6 may be bent and damaged in some cases. For this reason, the work must be carried out carefully while avoiding contact with the optical fiber 6,
Workability had to be reduced. Further, there is also a complaint that the optical fiber 6 near the connector array area 8 interferes with the confirmation of the line and causes a wrong connection.

【0005】近年、光配線盤の対応心数の増大の要求に
対応して、光モジュール3の実装密度の向上が求められ
ているが、光モジュール3の実装密度を向上させると、
コネクタ配列領域8付近での光ファイバ6の配線が一層
高密度化されるため、前述の作業性低下や誤接続の問題
が一層顕著になる。このため、作業面側からの光ファイ
バの接続や切り替え接続等の作業性の確保や、誤接続防
止を実現できる技術の開発が急務になってきている。な
お、前述の問題は、光モジュールを横並びに複数配列状
態に収納する構成であれば、光配線盤以外、例えば光接
続箱等でも、前記問題は同様に生じる。
In recent years, there has been a demand for improvement in the mounting density of the optical module 3 in response to the demand for an increase in the number of cores of the optical wiring board. However, if the mounting density of the optical module 3 is improved,
Since the wiring of the optical fiber 6 near the connector arrangement area 8 is further densified, the problems of the above-mentioned workability deterioration and erroneous connection become more remarkable. Therefore, there is an urgent need to secure workability such as optical fiber connection and switching connection from the work surface side, and to develop a technique capable of preventing erroneous connection. The above-mentioned problem similarly occurs in the optical connection box or the like other than the optical wiring board as long as the optical modules are arranged side by side in a plurality of arrangements.

【0006】本発明は、前述の課題に鑑みてなされたも
ので、モジュール本体に設けられている光コネクタに対
する光ファイバのコネクタ接続等の作業性の向上や、誤
接続の防止等を容易に実現できる光モジュールを提供す
ることを目的とするものである。
The present invention has been made in view of the above problems, and easily realizes workability improvement such as connector connection of an optical fiber to an optical connector provided in a module body and prevention of erroneous connection. It is an object of the present invention to provide an optical module that can be used.

【0007】[0007]

【課題を解決するための手段】上記課題を解決するため
に本発明は以下の構成を解決手段とした。請求項1記載
の発明は、光ファイバを収納するケース状のモジュール
本体と、このモジュール本体の一側部に設けられて前記
光ファイバをコネクタ接続可能に成端する光コネクタと
を有し、収納ユニットに引き出し可能に収納される光モ
ジュールであって、前記モジュール本体の前記光コネク
タ側の側部に、前記収納ユニットに対して係脱自在のラ
ッチが着脱自在に取り付けられるラッチ取付部を有する
ことを特徴とする。請求項2記載の発明は、請求項1記
載の光モジュールにおいて、前記ラッチ取付部は前記ラ
ッチを回転自在に支持する構成であり、前記ラッチ取付
部に取り付けられた前記ラッチが回転によって、前記モ
ジュール本体の前記光コネクタ側の側部であるコネクタ
側端部の外周部から外側へ突出されて前記収納ユニット
と係合可能となる係合位置と、前記コネクタ側端部の外
周部からの外側への突出が解消或いは前記係合位置より
も少ない待避位置との間に移動自在になっており、前記
コネクタ側端部には、前記待避位置のラッチと係脱自在
に係合して前記待避位置に保留する保留用係合部が設け
られていることを特徴とする。
In order to solve the above-mentioned problems, the present invention has the following constitution. The invention according to claim 1 has a case-shaped module main body for accommodating an optical fiber, and an optical connector provided on one side of the module main body for terminating the optical fiber so that a connector can be connected. An optical module housed in a unit so that it can be pulled out, and a latch mounting portion to which a latch that can be engaged with and disengaged from the housing unit is detachably mounted, is provided on a side portion of the module body on the optical connector side. Is characterized by. According to a second aspect of the present invention, in the optical module according to the first aspect, the latch mounting portion rotatably supports the latch, and the latch mounted on the latch mounting portion is rotated to rotate the module. An engaging position that protrudes outward from an outer peripheral portion of a connector-side end portion that is a side portion of the main body on the optical connector side and is engageable with the storage unit, and outward from the outer peripheral portion of the connector-side end portion. Is movable to a retracted position that is smaller than the engagement position or is smaller than the engaging position, and the connector side end portion is disengageably engaged with a latch at the retracted position to engage with the retracted position. It is characterized in that a holding engagement portion for holding the sheet is provided.

【0008】[0008]

【発明の実施の形態】以下、本発明の実施の形態を、図
面を参照して説明する。図1(a)〜(c)は本発明に
係る実施の形態の光モジュール10の構成を示す図、図
2は前記光モジュール10と該光モジュール10に取り
付けられるラッチ20とを示す斜視図、図3は光モジュ
ール10のラッチ取付部11付近を示す斜視図、図4
(a)〜(c)は前記ラッチ取付部11付近を示す図、
図5は前記ラッチ取付部11にラッチ20が取り付けら
れた光モジュール10(以下「光モジュール10A」)
を示す斜視図である。
BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. 1A to 1C are views showing a configuration of an optical module 10 according to an embodiment of the present invention, and FIG. 2 is a perspective view showing the optical module 10 and a latch 20 attached to the optical module 10, FIG. 3 is a perspective view showing the vicinity of the latch mounting portion 11 of the optical module 10, and FIG.
(A)-(c) is a figure which shows the said latch attachment part 11 vicinity,
FIG. 5 shows an optical module 10 in which a latch 20 is attached to the latch attachment portion 11 (hereinafter referred to as “optical module 10A”).
FIG.

【0009】図1(a)〜(c)、図2等に示すよう
に、前記光モジュール10は、外観薄板状のケースであ
るモジュール本体12と、このモジュール本体12の一
側部(コネクタ側端部12A)の前面壁13に取り付け
られた光コネクタ14(ここでは光コネクタアダプタ)
と、前記前面壁13の下端部に設けられたラッチ取付部
11とを有して構成されている。この光モジュール10
は、例えば、図6(a)、(b)に示すように、光配線
盤30に搭載された収納ユニット31内に縦置きにして
収納されるようになっており、図1(a)、(b)、図
2、図3、図4(a)、(b)、図5、図6(a)、
(b)、図7、図8において、以下、紙面上側を
「上」、紙面下側を「下」として説明する。
As shown in FIGS. 1 (a) to 1 (c), FIG. 2, etc., the optical module 10 includes a module main body 12 which is a thin plate-shaped case, and one side portion (connector side) of the module main body 12. Optical connector 14 (here, optical connector adapter) attached to the front wall 13 of the end portion 12A)
And a latch mounting portion 11 provided at the lower end of the front wall 13. This optical module 10
For example, as shown in FIGS. 6 (a) and 6 (b), the storage unit 31 is installed vertically in a storage unit 31 mounted on the optical wiring board 30. (B), FIG. 2, FIG. 3, FIG. 4 (a), (b), FIG. 5, FIG. 6 (a),
(B), FIGS. 7 and 8, the upper side of the paper is referred to as “upper” and the lower side of the paper is referred to as “lower”.

【0010】図6(a)、(b)は、前記光モジュール
10を収納した収納ユニット31を示す。前記光モジュ
ール10は、収納ユニット31の一側部である作業面側
(図6(a)紙面手前側、図6(b)左側)に前記光コ
ネクタ14を向けて、収納ユニット31に設けられてい
るモジュール台32上に縦置きにして収納ユニット31
に収納される。収納ユニット31内には、複数の光モジ
ュール10が横並びに配列して収納されている。収納ユ
ニット31の作業面側は開放されており、収納ユニット
31内に収納されている光モジュール10は、図7に示
すように作業面側に引き出して取り出すことができる。
光モジュール10は、プラスチック等の合成樹脂製の複
数の部材によって形成されている。図1(b)、図2、
図3等に示すように、光モジュール10の側部には開閉
自在の蓋10aが設けられており、収納ユニット31か
ら引き出して取り出した光モジュール10の蓋10aを
開放することで、この光モジュール10の内部での光フ
ァイバの湾曲処理、撤去等の作業を行うことができる。
6A and 6B show a storage unit 31 in which the optical module 10 is stored. The optical module 10 is provided in the storage unit 31 with the optical connector 14 facing the work surface side (the front side of the paper surface in FIG. 6A and the left side in FIG. 6B) that is one side of the storage unit 31. The storage unit 31 is placed vertically on the existing module base 32.
Is stored in. In the storage unit 31, a plurality of optical modules 10 are arranged side by side and stored. The work surface side of the storage unit 31 is open, and the optical module 10 stored in the storage unit 31 can be pulled out to the work surface side and taken out as shown in FIG. 7.
The optical module 10 is formed of a plurality of members made of synthetic resin such as plastic. 1 (b), FIG.
As shown in FIG. 3 and the like, an openable / closable lid 10a is provided on a side portion of the optical module 10. By opening the lid 10a of the optical module 10 pulled out from the storage unit 31, the optical module 10 is opened. It is possible to perform work such as bending treatment and removal of the optical fiber inside 10.

【0011】図4(a)に示すように、光モジュール1
0は、モジュール本体12の底壁部15に突設されたガ
イド片16を、モジュール台32上面に開口して形成さ
れたガイド溝33に挿入してモジュール台32上に設置
されるようになっている。ガイド溝33は、収納ユニッ
ト31の作業面側から該作業面側に対向する背面側にわ
たって延在されており、ガイド溝33に挿入されたガイ
ド片16は、前記ガイド溝33の長手方向に沿ってスラ
イド移動自在になっている。収納ユニット30に対する
光モジュール10の挿入や引き出しは、ガイド溝33に
ガイドされつつ円滑になされる。ガイド溝33は、モジ
ュール台32の作業面側の端部に開口されており、光モ
ジュール10を収納ユニット31に収納する際には、ガ
イド片16を、作業面側からガイド溝33に差し込むよ
うにする。前記ガイド溝33は、モジュール台33上に
複数横並びに形成されており、収納ユニット30では、
このガイド溝33の配列ピッチに従って複数の光モジュ
ール10が横並びに配列して収納される。ガイド片16
は、図1(a)〜(c)、図4(b)、(c)等にも図
示している。なお、ガイド片16は、モジュール本体1
2に一体に形成しても良いが、モジュール本体12に着
脱可能な別体であっても良い。別体の場合、ガイド溝形
状等に対応して適合するガイド片を選択使用できる点で
より好ましい。
As shown in FIG. 4A, the optical module 1
0 is installed on the module base 32 by inserting the guide piece 16 protruding from the bottom wall portion 15 of the module main body 12 into the guide groove 33 formed by opening the upper surface of the module base 32. ing. The guide groove 33 extends from the work surface side of the storage unit 31 to the back surface side facing the work surface side, and the guide piece 16 inserted into the guide groove 33 extends along the longitudinal direction of the guide groove 33. It is slidable freely. The optical module 10 can be smoothly inserted and pulled out from the storage unit 30 while being guided by the guide groove 33. The guide groove 33 is opened at the end of the module base 32 on the work surface side. When the optical module 10 is stored in the storage unit 31, the guide piece 16 is inserted into the guide groove 33 from the work surface side. To A plurality of the guide grooves 33 are formed side by side on the module base 33, and in the storage unit 30,
A plurality of optical modules 10 are arranged side by side and housed according to the arrangement pitch of the guide grooves 33. Guide piece 16
Is also shown in FIGS. 1A to 1C, 4B, and 4C. The guide piece 16 is the module body 1
Although it may be integrally formed with the module 2, it may be a separate body that can be attached to and detached from the module body 12. In the case of a separate body, it is more preferable in that a guide piece suitable for the shape of the guide groove can be selected and used.

【0012】図2、図5等に示すように、モジュール本
体12の上部壁17には、モジュール本体12内に光フ
ァイバ41を引き込むための光ファイバ導入口18が開
口されている。図6(a)、(b)において、収納ユニ
ット31に収納されている光モジュール10のモジュー
ル本体12には、収納ユニット31上部の配線棚34か
ら引き落とすようにして配線された光ファイバ41が光
ファイバ導入口18から引き込まれている。モジュール
本体12内には、この光ファイバ41の余長が湾曲処理
して収納されている。
As shown in FIGS. 2 and 5, an optical fiber introduction port 18 for drawing the optical fiber 41 into the module body 12 is opened in the upper wall 17 of the module body 12. In FIGS. 6A and 6B, in the module main body 12 of the optical module 10 housed in the housing unit 31, the optical fiber 41 wired so as to be pulled down from the wiring shelf 34 above the housing unit 31 is used. It is drawn in from the fiber inlet 18. The extra length of the optical fiber 41 is curved and stored in the module body 12.

【0013】図1に示すように、本実施の形態では、コ
ネクタ側端部12Aの側を光モジュール10の前側、コ
ネクタ側端部12Aに対向する後端部12B側を光モジ
ュール10の後ろ側として説明する。前記光ファイバ導
入口18は、モジュール本体12の前後方向に沿って前
記上壁部17に細長く形成された開口部である。図6
(a)、(b)に示すように、配線棚34からモジュー
ル本体12へ引き込む光ファイバ41は、収納ユニット
31の所定の収納位置(図8参照。ラッチ取付部11に
取り付けたラッチ20によって収納ユニット31に固定
される位置)に収納された光モジュール10に対して、
光ファイバ導入口18に挿通された部分が、極力、コネ
クタ側端部12A寄りとなるようにして配線することが
より好ましい。これにより、収納ユニット31からの光
モジュール10の引き出し、再収納等の際に、配線棚3
4と光モジュール10との間に配線されている光ファイ
バ41の光モジュール10に対する追従移動を極力抑え
ることができ、光ファイバ41の光特性の安定等を図る
ことができる。
As shown in FIG. 1, in the present embodiment, the connector side end 12A side is the front side of the optical module 10, and the rear end 12B side facing the connector side end 12A is the rear side of the optical module 10. As described below. The optical fiber introduction port 18 is an opening formed in the upper wall 17 along the front-rear direction of the module body 12 to be elongated. Figure 6
As shown in (a) and (b), the optical fiber 41 drawn into the module main body 12 from the wiring shelf 34 is stored at a predetermined storage position of the storage unit 31 (see FIG. 8. The latch 20 attached to the latch attachment portion 11 stores the optical fiber 41. With respect to the optical module 10 housed in the position (fixed to the unit 31),
It is more preferable that the portion inserted through the optical fiber introduction port 18 is located as close to the connector side end 12A as possible. As a result, when the optical module 10 is pulled out from the storage unit 31, re-stored, etc., the wiring shelf 3
4 and the optical module 10, the follow-up movement of the optical fiber 41 with respect to the optical module 10 can be suppressed as much as possible, and the optical characteristics of the optical fiber 41 can be stabilized.

【0014】光コネクタ14は収納ユニット31に引き
込まれた光ファイバ41を、収納ユニット31の作業面
側から該光コネクタ14に接続される光ファイバ42に
対してコネクタ接続可能に成端(以下「コネクタ接続可
能に成端」との表現を「コネクタ成端」と略す場合があ
る)する機能を果たす。この光コネクタ14は、ここで
は光コネクタアダプタであり、以下、光コネクタ14を
光コネクタアダプタ14と称する場合がある。この光コ
ネクタアダプタ14によって光ファイバ41をコネクタ
成端する構成としては、例えば図6(b)に例示したよ
うに、一端が光コネクタ44(光コネクタプラグ)によ
ってコネクタ成端されている光ファイバ43の他端に光
ファイバ41を融着接続等によって接続し、前記光ファ
イバ43の光コネクタ44側をモジュール本体12内側
から光コネクタ14に接続することが挙げられるが、こ
れに限定されず、光コネクタプラグによってコネクタ成
端されている光ファイバ先端をモジュール本体12に引
き込んで、モジュール本体12に内蔵の光ファイバ43
を介すること無く、直接、光コネクタ14に接続するこ
とも可能である。また、光コネクタ14としては、光コ
ネクタアダプタに限定されず、例えば、光コネクタレセ
プタクル等、各種構成が採用可能である。
The optical connector 14 terminates the optical fiber 41 drawn into the storage unit 31 so as to be connectable to the optical fiber 42 connected to the optical connector 14 from the working surface side of the storage unit 31 (hereinafter referred to as "the optical fiber 41"). The expression "terminated so that a connector can be connected" may be abbreviated as "connector termination"). The optical connector 14 is an optical connector adapter here, and hereinafter, the optical connector 14 may be referred to as an optical connector adapter 14. As a configuration for terminating the optical fiber 41 by the optical connector adapter 14, for example, as illustrated in FIG. 6B, an optical fiber 43 having one end terminated by an optical connector 44 (optical connector plug) is used. The optical fiber 41 may be connected to the other end of the optical fiber 43 by fusion splicing or the like, and the optical connector 44 side of the optical fiber 43 may be connected to the optical connector 14 from the inside of the module main body 12, but the invention is not limited to this. An optical fiber 43 built in the module body 12 is pulled by pulling the end of the optical fiber terminated by the connector plug into the module body 12.
It is also possible to directly connect to the optical connector 14 without going through. Further, the optical connector 14 is not limited to the optical connector adapter, and various configurations such as an optical connector receptacle can be adopted.

【0015】図3、図4(a)〜(c)等に示すよう
に、ラッチ取付部11は、コネクタ側端部12Aの下端
部に設けられている。このラッチ取付部11は、具体的
には、コネクタ側端部12Aを形成する合成樹脂によっ
て該コネクタ側端部12Aと一体成形されて、モジュー
ル本体12(詳細には前記コネクタ側端部12A)の前
面12a側に突出する突起になっている。このラッチ取
付部11は、上部に開口部を有するC形に形成されてお
り、「C」の開口部から、ラッチ20に設けられている
枢軸21を押し込んで嵌め込むことができる。ラッチ取
付部11への枢軸21の嵌め込みによって、ラッチ取付
部11にラッチ20が取り付けられる。
As shown in FIGS. 3 and 4A to 4C, the latch mounting portion 11 is provided at the lower end of the connector side end 12A. Specifically, the latch mounting portion 11 is integrally molded with the connector-side end portion 12A by a synthetic resin forming the connector-side end portion 12A, so that the latch main body 12 (specifically, the connector-side end portion 12A) is formed. It is a protrusion protruding to the front surface 12a side. The latch mounting portion 11 is formed in a C shape having an opening at the top, and the pivot 21 provided in the latch 20 can be pushed in and fitted from the opening "C". The latch 20 is attached to the latch attachment portion 11 by fitting the pivot shaft 21 into the latch attachment portion 11.

【0016】ラッチ取付部11は、嵌め込まれた枢軸2
1を回転自在に支持するブラケットとして機能するもの
であり、ラッチ取付部11に取り付けられたラッチ20
は、ラッチ取付部11と枢軸21とによって構成される
ヒンジ部Jを中心として回転自在に軸支される。前記ヒ
ンジ部Jは、光モジュール10が縦置きに設置される設
置面(例えば、収納ユニット31のモジュール台32の
上面32a等)とほぼ平行、かつ、光モジュール10の
前後方向にほぼ直交する方向の軸線を以て、光モジュー
ル10に対してラッチ20を回転自在に軸支するように
なっており、前述の収納ユニット31内に収納した光モ
ジュール10では、図7、図8に示すようにラッチ20
の回転はヒンジ部Jを中心として上下に揺動するような
回転となる。
The latch mounting portion 11 is provided with the fitted pivot shaft 2.
Which functions as a bracket for rotatably supporting the latch 1 and is attached to the latch mounting portion 11 by the latch 20.
Is rotatably supported around a hinge portion J formed by the latch mounting portion 11 and the pivot 21. The hinge portion J is substantially parallel to an installation surface on which the optical module 10 is installed vertically (for example, the upper surface 32a of the module base 32 of the storage unit 31) and substantially orthogonal to the front-back direction of the optical module 10. The latch 20 is rotatably supported with respect to the optical module 10 by the axis of the optical module 10, and the optical module 10 housed in the housing unit 31 has the latch 20 as shown in FIGS.
Rotation is such that it swings up and down about the hinge J.

【0017】図8に示すように、ラッチ20を取り付け
た光モジュール10(光モジュール10A)を前記収納
ユニット31に収納し、ラッチ20を回転させて、該光
モジュール10下のモジュール台32に係合させると、
モジュール台32に光モジュール10(10A)を安定
に固定できる。
As shown in FIG. 8, the optical module 10 (optical module 10A) to which the latch 20 is attached is housed in the housing unit 31, the latch 20 is rotated, and the module base 32 under the optical module 10 is engaged. When combined,
The optical module 10 (10A) can be stably fixed to the module base 32.

【0018】図3、図4(b)、図8等に示すように、
このラッチ20はL字状に形成されており、L字の屈曲
部22から延びる本体部23と、前記屈曲部22から前
記本体部23に対してほぼ直角に突出されている係合部
24とを有し、本体部23の先端に取り付けられている
前記枢軸21を光モジュール10のラッチ取付部11に
嵌め込んで光モジュール10に取り付けられる。光モジ
ュール10に対するラッチ20の取り付け向きは、該ラ
ッチ20を光モジュール10の前側から光モジュール1
0下のモジュール台32に係合するべくモジュール台3
2に向けて回転したときに、係合部24が本体部23よ
りも回転方向前側となるようにする。
As shown in FIG. 3, FIG. 4B, FIG.
The latch 20 is formed in an L-shape, and has a body portion 23 extending from an L-shaped bent portion 22, and an engagement portion 24 protruding from the bent portion 22 at a substantially right angle to the body portion 23. The optical axis 21 attached to the tip of the main body 23 is fitted into the latch attachment portion 11 of the optical module 10 to be attached to the optical module 10. The mounting direction of the latch 20 to the optical module 10 is such that the latch 20 is attached from the front side of the optical module 1 to the optical module 1.
Module base 3 to engage the lower module base 32
The engaging portion 24 is located on the front side in the rotation direction with respect to the main body portion 23 when rotated toward 2.

【0019】収納ユニット31内に収納した光モジュー
ル10を、コネクタ側端部12Aがモジュール台32の
作業面側端部上となるようにしてモジュール台32上で
位置合わせした後、ラッチ20を光モジュール10下の
モジュール台32に向けて押し込むようにすると、係合
部24がモジュール台32の下面32a側に入り込み、
光モジュール10との間にモジュール台32を挟み込む
ようにして係合する(図8参照)。これにより、光モジ
ュール10がモジュール台32に固定される。モジュー
ル台32に押し込むようなラッチ20の回転は、ラッチ
20の本体部23がモジュール台32の作業面側端部に
当接したところで停止する(以下、この位置を「係合位
置」と称する)。
After aligning the optical module 10 housed in the housing unit 31 on the module base 32 with the connector side end 12A on the working surface side end of the module base 32, the latch 20 is opened. When it is pushed toward the module base 32 below the module 10, the engaging portion 24 enters the lower surface 32a side of the module base 32,
The module base 32 is sandwiched and engaged with the optical module 10 (see FIG. 8). As a result, the optical module 10 is fixed to the module base 32. The rotation of the latch 20 pushed into the module base 32 is stopped when the main body portion 23 of the latch 20 comes into contact with the work surface side end of the module base 32 (hereinafter, this position is referred to as an "engagement position"). .

【0020】ラッチ20の本体部23と係合部24とは
プラスチック等の合成樹脂による一体成形品である。ラ
ッチ20のL字の屈曲部22は本体部23や係合部24
に比べて薄肉に形成されていて弾性変形が容易になって
おり、この屈曲部22の弾性変形によって生じるバネ力
を、係合部24とモジュール台32上の光モジュール1
0との間にモジュール台32を挟み込むクランプ力とし
て有効に機能させることができる。
The main body 23 and the engaging portion 24 of the latch 20 are integrally molded products made of synthetic resin such as plastic. The L-shaped bent portion 22 of the latch 20 includes a body portion 23 and an engaging portion 24.
It is formed thinner than that of the optical module 1 and elastically deforms easily, and the spring force generated by the elastic deformation of the bent portion 22 is applied to the engaging portion 24 and the optical module 1 on the module base 32.
It can effectively function as a clamping force for sandwiching the module base 32 with 0.

【0021】係合部24から突設されている係合爪24
aは、ラッチ20がモジュール台32に係合した時に、
モジュール台下面32a側の係合凹所(図示略)に係脱
自在に係合して、モジュール台32からのラッチ20の
不用意な係合解除、離脱を防止する。ラッチ20のモジ
ュール台32に対する係合を解除して、モジュール台3
2から離脱するには、モジュール台下面32a側に手を
入れるなどして、係合部24をモジュール台32から下
側に押し下げるようにしてモジュール台32に対する前
記係合爪24aの係合を解除する。
Engaging claws 24 protruding from the engaging portion 24
a is, when the latch 20 is engaged with the module base 32,
The engagement recess (not shown) on the lower surface 32a of the module base is disengageably engaged to prevent the latch 20 from being inadvertently disengaged and disengaged from the module base 32. The engagement of the latch 20 with the module base 32 is released, and the module base 3
To disengage from the module 2, the engaging portion 24 is pushed downward from the module base 32 by putting a hand on the lower surface 32a of the module base to release the engagement of the engaging claw 24a with the module base 32. To do.

【0022】本体部23に突設されている突起23a
は、ラッチ20をモジュール台32に係合するときに、
モジュール台32の穴(図示略)に挿入されて、ラッチ
20をモジュール台32に対して上下方向に位置決めす
るためのものである。
A protrusion 23a protruding from the main body 23
When engaging the latch 20 with the module base 32,
It is for being inserted into a hole (not shown) of the module base 32 and for positioning the latch 20 in the vertical direction with respect to the module base 32.

【0023】ラッチ20をモジュール台32に係合して
光モジュール10(10A)を収納ユニット31に固定
すると、収納ユニット31からの光モジュール10の不
用意な引き出し、脱落等を確実に防止できるといった利
点がある。また、収納ユニット31に対して光モジュー
ル10が固定されてがたつき等の振動の影響を受けにく
くなるから、振動に起因する光通信の瞬断等を確実に防
止できるといった利点もある。
When the optical module 10 (10A) is fixed to the storage unit 31 by engaging the latch 20 with the module base 32, it is possible to reliably prevent the optical module 10 from being accidentally pulled out from the storage unit 31 and dropping out. There are advantages. Further, since the optical module 10 is fixed to the storage unit 31 and is less susceptible to vibration such as rattling, there is an advantage that it is possible to reliably prevent instantaneous interruption of optical communication due to vibration.

【0024】図3、図4(b)、図8中、ラッチ20を
時計回りに回転させると、本体部23がモジュール本体
12の前面壁13に対してほぼ垂直になったところで、
モジュール本体12の前面壁13の下端部に形成されて
いる突片状の保留用係合部19に本体部23が当接(図
4(b)、図7実線参照)してそれ以上の回転が不可能
になり、この位置がラッチ20の回転限界となるが、こ
のとき、本体部23のモジュール台32に対して当接さ
れる当接面23bとは逆の側に突出されている突起25
(以下、「保留用突起」)が保留用係合部19と係脱自
在に係合する(以下、このときのラッチ位置を「待避位
置」と称し、符号20Aを付す)。これにより、ラッチ
20は、保留用突起25と保留用係合部19との係合を
強制的に解除しない限り、保留用係合部19との係合に
よって下方へ回転しないように待避位置に保留され、本
体部23がモジュール本体12の前面壁13に対してほ
ぼ垂直になっている姿勢が維持される。なお、保留用係
合部との係合によるラッチの保留時の姿勢は、前述のよ
うに、本体部23がモジュール本体12の前面壁13に
対してほぼ垂直に限定されず、これよりもやや下向きあ
るいは上向きに傾いても良い。
In FIG. 3, FIG. 4 (b) and FIG. 8, when the latch 20 is rotated clockwise, when the main body 23 becomes substantially vertical to the front wall 13 of the module main body 12,
The main body portion 23 abuts on the projecting piece-shaped retaining engaging portion 19 formed on the lower end portion of the front wall 13 of the module main body 12 (see FIG. 4 (b) and FIG. 7 solid line) to rotate further. However, at this time, the rotation limit of the latch 20 is reached, but at this time, the protrusion protruding to the side opposite to the contact surface 23b of the main body 23 that contacts the module base 32. 25
(Hereinafter, the "holding protrusion") engages with the holding engaging portion 19 in a disengageable manner (hereinafter, the latch position at this time is referred to as the "withdrawal position" and is denoted by reference numeral 20A). As a result, the latch 20 is at the retracted position so as not to rotate downward due to the engagement with the retaining engagement portion 19 unless the engagement between the retaining projection 25 and the retaining engagement portion 19 is forcibly released. The main body 23 is retained, and the posture in which the main body 23 is substantially vertical to the front wall 13 of the module main body 12 is maintained. As described above, the posture of the latch when the latch is retained by the engagement with the retaining engagement portion is not limited to be substantially vertical to the front wall 13 of the module body 12, but rather a little. It may be tilted downward or upward.

【0025】図6(a)、(b)に示すように、複数の
光モジュール10Aが横並びに配列収納されている収納
ユニット31内に作業面側から光ファイバ42を引き込
んで、光コネクタ42a(光コネクタプラグ)によって
コネクタ成端されている光ファイバ42先端を目的の光
モジュール10Aの光コネクタアダプタ14に接続する
ときには、図7に示すように、接続対象の光モジュール
10Aのラッチ20を操作してモジュール台32との係
合を解除し、この光モジュール10Aを作業面側へ引き
出す。図7は、光モジュール10Aの引き出しが完了し
た状態を示すものであり、以下、この図7に示す位置を
「引き出し位置D」と称する。収納ユニット31内の各
光モジュール10Aの光コネクタアダプタ14が一律に
配列されている領域付近では多数本の光ファイバ42が
高密度に配線されているが、作業対象の光モジュール1
0Aを引き出すことによって光ファイバ42との干渉を
避けることができ、光モジュール10Aの光コネクタア
ダプタ14に対する光ファイバ42の接続を効率良く行
える。
As shown in FIGS. 6 (a) and 6 (b), the optical fiber 42 is drawn from the work surface side into the storage unit 31 in which a plurality of optical modules 10A are arranged side by side, and the optical connector 42a ( When connecting the end of the optical fiber 42 connector-terminated by the optical connector plug) to the optical connector adapter 14 of the target optical module 10A, the latch 20 of the optical module 10A to be connected is operated as shown in FIG. And the module base 32 is disengaged, and the optical module 10A is pulled out to the work surface side. FIG. 7 shows a state in which the optical module 10A is completely pulled out, and hereinafter, the position shown in FIG. 7 is referred to as a “pulled-out position D”. A large number of optical fibers 42 are densely wired in the vicinity of a region where the optical connector adapters 14 of the respective optical modules 10A in the storage unit 31 are uniformly arranged.
By pulling out 0A, the interference with the optical fiber 42 can be avoided, and the optical fiber 42 can be efficiently connected to the optical connector adapter 14 of the optical module 10A.

【0026】作業対象の光モジュール10Aの引き出し
は、モジュール台32上での光モジュール10Aのスラ
イド移動によって該当の光モジュール10Aを、収納ユ
ニット31内で配列状態になっている他の光モジュール
10Aよりも作業面側にずらして、該光モジュール10
Aの光コネクタ14が、収納ユニット31内の複数の光
モジュール10Aの光コネクタ14に接続された光ファ
イバ42が高密度に配線されている領域から作業面側に
露出されるようにすれば良く、収納ユニット31内のモ
ジュール台32等の部材によって光モジュール10Aの
安定保持が可能な範囲内で、引き出し量を無用に大きく
せずに行うことが好ましい。光モジュール10A全体を
収納ユニット31から抜き出すこととは異なる。接続作
業が完了したら、光モジュール10Aをモジュール台3
2上の所定位置に戻して、ラッチ20の係合によってモ
ジュール台32に固定する。切り替え接続、光ファイバ
42の撤去等も、接続作業と同様に作業対象の光モジュ
ール10Aを引き出すことで、作業性を向上できる。
When pulling out the optical module 10A to be worked, the optical module 10A is slid on the module base 32 so that the optical module 10A can be pulled out from other optical modules 10A arranged in the storage unit 31. Is also shifted to the work surface side, and the optical module 10
The optical connector 14 of A may be exposed to the work surface side from a region in which the optical fibers 42 connected to the optical connectors 14 of the plurality of optical modules 10A in the storage unit 31 are densely wired. It is preferable that the optical module 10A is stably held by the members such as the module base 32 in the storage unit 31 without being unnecessarily increased in pulling out amount. This is different from extracting the entire optical module 10A from the storage unit 31. When the connection work is completed, the optical module 10A is attached to the module base 3
It is returned to a predetermined position on 2 and fixed to the module base 32 by the engagement of the latch 20. For switching connection, removal of the optical fiber 42, and the like, workability can be improved by pulling out the optical module 10A as a work target as in the connection work.

【0027】作業対象の光モジュール10A以外の光モ
ジュール10Aについては、モジュール台32に対する
ラッチ20の係合を解除しない。特に、収納ユニット3
1内にて作業対象の光モジュール10Aに隣接して収納
されている光モジュール10Aについては、モジュール
台32に対するラッチ20の係合を解除しないことで、
作業対象の光モジュール10Aの引き出しに伴う追従引
き出しや、揺れ等を確実に防止でき、これにより、内部
の光ファイバに係る光通信の瞬断等の不都合を確実に防
止できる。
For the optical modules 10A other than the optical module 10A to be worked, the engagement of the latch 20 with the module base 32 is not released. Especially, the storage unit 3
For the optical module 10A housed adjacent to the work target optical module 10A in 1, the engagement of the latch 20 with the module base 32 is not released,
It is possible to reliably prevent follow-up withdrawal of the optical module 10A that is the work target, shaking, and the like, and thus it is possible to reliably prevent inconveniences such as instantaneous interruption of optical communication related to the internal optical fiber.

【0028】作業対象の光モジュール10Aについて
は、モジュール台32に対する係合を解除したラッチ2
0を待避位置20Aに保留した状態で、引き出し位置D
への引き出しや、引き出し位置Dからモジュール台32
上の所定位置への挿入を行う。これにより、モジュール
台32上でのスライド移動によって光モジュール10A
を、引き出し位置Dへ引き出したり、引き出し位置Dか
らモジュール台32上の所定位置へ挿入するときに、障
害物と引っ掛かることを防止でき、円滑に移動できる。
また、ラッチ20自体を、光モジュール10(10A)
の移動等の操作を行うための取っ手としても利用でき
る。なお、引き出し位置D付近に、ラッチ20を係脱自
在に係合できるラッチ係合部を設置して、引き出し位置
Dに引き出した光モジュール10Aのラッチ20をラッ
チ係合部に係合することで、光モジュール10の押し込
みを規制する構成とすることも可能である。この場合、
光コネクタアダプタ14に対して光ファイバ42をコネ
クタ接続(光コネクタ42aの接続)する際の押し込み
力に対して光モジュール10Aを引き出し位置Dに引き
留めておくことができるから、接続作業性を向上でき
る。
With respect to the optical module 10A to be worked, the latch 2 that has been disengaged from the module base 32 is used.
With 0 held in the retracted position 20A, pull out position D
To the module stand 32 from the drawer position D
Insert into the prescribed position above. As a result, the optical module 10A can be moved by sliding on the module base 32.
When it is pulled out to the pull-out position D or inserted from the pull-out position D to a predetermined position on the module base 32, it can be prevented from being caught by an obstacle and can be moved smoothly.
Further, the latch 20 itself is replaced with the optical module 10 (10A).
It can also be used as a handle for carrying out operations such as moving. It should be noted that a latch engaging portion that can engage the latch 20 in a disengageable manner is provided near the pull-out position D, and the latch 20 of the optical module 10A pulled out to the pull-out position D is engaged with the latch engaging portion. It is also possible to adopt a configuration in which the pushing of the optical module 10 is restricted. in this case,
Since the optical module 10A can be retained at the pull-out position D against the pushing force when the optical fiber 42 is connected to the optical connector adapter 14 (connecting the optical connector 42a), the connection workability can be improved. .

【0029】ところで、図3等に示すように、ラッチ2
0の枢軸21はラッチ取付部11に対して着脱自在であ
り、ラッチ20を強く引っ張れば、ラッチ取付部11に
嵌め込まれている枢軸21を、ラッチ取付部11を弾性
変形させつつラッチ取付部11から離脱させることがで
きる。したがい、モジュール台32のサイズ、寸法等に
対応して、モジュール台32との係合に適合する適切な
ラッチを選択して、ラッチ取付部11に取り付けること
ができる。
By the way, as shown in FIG.
The pivot shaft 21 of 0 is detachable from the latch mounting portion 11, and when the latch 20 is pulled strongly, the pivot shaft 21 fitted in the latch mounting portion 11 is elastically deformed, and the latch mounting portion 11 is elastically deformed. Can be removed from. Therefore, it is possible to select an appropriate latch suitable for the engagement with the module base 32 according to the size, size, etc. of the module base 32 and attach it to the latch attachment portion 11.

【0030】ラッチ形状の変形例として、図9(a)の
ラッチ20a、図9(b)のラッチ20bを示す。図9
(a)のラッチ20aは、モジュール台32aを構成す
る上下のプレート32b、32cの間に離脱可能に嵌合
されるコ字状の嵌合部20cを有する構造である。図9
(b)のラッチ20bを適用するモジュール台32b
は、上下のプレート32d、32eの間の隙間が狭く、
しかも、下側のプレート32eが上側のプレート32d
の作業面側の端面に比べて作業面側へ張り出されている
構造であり、前記ラッチ20bは下側のプレート32e
の作業面側端部を収納するようにして嵌合するコ字状の
嵌合部20dを有する。
As a modification of the latch shape, a latch 20a shown in FIG. 9A and a latch 20b shown in FIG. 9B are shown. Figure 9
The latch 20a of (a) has a structure having a U-shaped fitting portion 20c that is detachably fitted between the upper and lower plates 32b and 32c forming the module base 32a. Figure 9
Module base 32b to which the latch 20b of (b) is applied
Is a narrow gap between the upper and lower plates 32d and 32e,
Moreover, the lower plate 32e is replaced by the upper plate 32d.
The structure is such that it is extended toward the work surface side as compared to the end surface on the work surface side of the above, and the latch 20b is provided on the lower plate 32e.
It has a U-shaped fitting portion 20d that fits so as to accommodate the end portion on the working surface side.

【0031】ラッチの係合対象は、ラッチを係脱自在に
係合でき、かつ、この係合によって光モジュール10の
収納ユニット31からの引き出しを規制できるものであ
れば良く、モジュール台32に限定されず、収納ユニッ
ト31を構成する他の部材であっても良い。収納ユニッ
ト31との係合に適合するラッチの選択使用によって、
収納ユニットに対する汎用性が向上する。
The object to be engaged by the latch may be any one as long as the latch can be engaged and disengageably engaged and the withdrawal of the optical module 10 from the storage unit 31 can be restricted by this engagement, and it is limited to the module base 32. Instead, it may be another member that constitutes the storage unit 31. By the selective use of the latch that fits the engagement with the storage unit 31,
The versatility of the storage unit is improved.

【0032】ところで、モジュール本体の構成部材に一
体の突起状にラッチが形成されている光モジュールで
は、当然のことながら、収納ユニットにおけるラッチの
係合対象の構成部材(前述のモジュール台等)の種々の
形状、サイズ等に対応するには、係合対象の構成部材と
の係合に適合するラッチを有する光モジュールを用意す
る必要が生じ、コストアップ等の原因になる。また、収
納ユニットにおけるラッチの係合部位の形状等によって
はラッチ形状が複雑になり、このようなラッチをモジュ
ール本体の構成部材に合成樹脂による一体成形で形成す
ること自体が困難な場合もある。これに対して、本発明
に係る光モジュールでは、ラッチが別体になっているの
で、収納ユニットにおけるラッチの係合部位の形状等に
対する汎用性を確保できる上、ラッチの形成上の問題も
克服できる。モジュール本体の構成部材にラッチが一体
に形成されている光モジュールでは、例えば光配線盤等
の架体に複数搭載された収納ユニットの構造が一律でな
い場合、収納ユニットの種類毎にラッチ構造の異なる光
モジュールを用意したり、収納ユニット間での移設等が
できなくなる等の不都合が生じる可能性があるが、本発
明に係る光モジュールではラッチ取付部に対するラッチ
の着脱、交換が可能であるため、収納ユニットの構造の
違いに何等問題無く対応できる。
By the way, in the optical module in which the latch is formed integrally with the constituent members of the module body in the form of a protrusion, as a matter of course, the constituent members (the above-mentioned module base etc.) to be engaged with the latch in the storage unit are In order to cope with various shapes, sizes, etc., it is necessary to prepare an optical module having a latch suitable for engagement with a component member to be engaged, which causes a cost increase. In addition, the shape of the latch is complicated depending on the shape of the engaging portion of the latch in the storage unit, and it may be difficult to integrally form such a latch on the constituent members of the module body by synthetic resin. On the other hand, in the optical module according to the present invention, since the latch is a separate body, versatility with respect to the shape of the engaging portion of the latch in the storage unit and the like can be ensured, and the problem in forming the latch can be overcome. it can. In an optical module in which a latch is integrally formed with a component member of a module body, for example, when the structure of a plurality of storage units mounted on a frame such as an optical wiring board is not uniform, the latch structure is different for each type of storage unit. Although there is a possibility that an inconvenience such as the provision of an optical module or the transfer between storage units cannot be performed, the optical module according to the present invention allows the latch to be attached to and detached from the latch mounting portion, and thus can be replaced. It can handle the difference in the structure of the storage unit without any problems.

【0033】本発明に係る前記ラッチは、収納ユニット
におけるラッチの係合部位に係合した際に、ラッチ自体
の弾性によって、前記係合部位を構成する収納ユニット
の構成部材を光モジュールのモジュール本体との間に挟
み込むようにして、光モジュールを収納ユニットに対し
てがたつき等を生じないように固定したり、収納ユニッ
トの構成部材に嵌合(係合)した部分が該ラッチの弾性
力を以て収納ユニットの構成部材に圧接されて、しっか
りと固定される構成(図9(a)、(b)の例)であ
り、しかも、収納ユニットの構成部材に対して係合した
部分を弾性変形させることで、係合を解除する構成にな
っている。このように、収納ユニットに対する係合によ
る固定や、弾性変形による係合解除を可能にする構造の
ラッチは、収納ユニットの設計に対応して非常に多様に
なり、しかも形状が複雑になる傾向がある。このような
ラッチを、光モジュールのモジュール本体の構成部材と
一体に成形するのでは、モジュール本体の形成の手間や
コスト等に鑑みて、多種多様な収納ユニットの構造に充
分に対応することは現実的には困難である。本発明に係
る光モジュールのラッチが別体になっている構成によ
り、初めて現実的に、収納ユニットの多種多様な構造に
対する汎用性が確保されるのである。
In the latch according to the present invention, when the latch of the storage unit is engaged with the engaging portion of the latch, the elasticity of the latch itself allows the constituent members of the storing unit to form the engaging portion to serve as the module main body of the optical module. The optical module is fixed to the storage unit so that it does not rattle, and the part that is fitted (engaged) with the constituent members of the storage unit has the elastic force of the latch. With the configuration in which the components of the storage unit are pressed into contact with each other and firmly fixed (examples of FIGS. 9A and 9B), the portion engaged with the components of the storage unit is elastically deformed. By doing so, the engagement is released. As described above, the latch having a structure that enables fixation by engagement with the storage unit and disengagement by elastic deformation tends to be very diverse in accordance with the design of the storage unit, and moreover has a complicated shape. is there. By molding such a latch integrally with the constituent members of the module main body of the optical module, it is actually possible to sufficiently cope with a wide variety of structures of the storage unit in view of the time and cost for forming the module main body. Is difficult. Due to the configuration in which the latch of the optical module according to the present invention is provided separately, the versatility of various types of structures of the storage unit is practically ensured for the first time.

【0034】なお、本発明は前述の実施の形態に限定さ
れず、各種変更が可能である。例えば、前記実施の形態
では、ラッチ取付部11を光モジュール10のコネクタ
側端部12Aの下端部に設けた構成を例示したが、これ
に限定されず、例えば、図10に示すように、モジュー
ル本体12のコネクタ側端部12Aの上端部にラッチ取
付部11を設けた構成も採用可能である。図10の場
合、ラッチ取付部11に取り付けたラッチ20は、回転
によってコネクタ側端部12Aの上方に突出されて、光
モジュール10の上側に位置する収納ユニット31の構
成部材に係脱自在に係合される。本発明に係る光モジュ
ールでは、モジュール本体の一箇所のみにラッチ取付部
が設けられている構成に限定されず、モジュール本体
(詳細にはコネクタ側端部)の2箇所、或いは3箇所以
上にラッチ取付部が設けられている構成も採用可能であ
る。
It should be noted that the present invention is not limited to the above-described embodiment, and various changes can be made. For example, in the above-described embodiment, the configuration in which the latch mounting portion 11 is provided at the lower end portion of the connector side end portion 12A of the optical module 10 is illustrated, but the present invention is not limited to this, and, for example, as shown in FIG. A configuration in which the latch mounting portion 11 is provided on the upper end portion of the connector side end portion 12A of the main body 12 can also be adopted. In the case of FIG. 10, the latch 20 attached to the latch attaching portion 11 is projected above the connector-side end portion 12A by rotation and is detachably engaged with the component member of the storage unit 31 located above the optical module 10. Are combined. The optical module according to the present invention is not limited to the configuration in which the latch attachment portion is provided only at one location of the module body, and the latch attachment portion is provided at two locations or three or more locations on the module body (specifically, the end portion on the connector side). A configuration in which a mounting portion is provided can also be adopted.

【0035】図11(a)、(b)は、収納ユニット5
1内に横置きにして、複数積層状態に配列収納される光
モジュール52の適用例であり、ラッチ取付部53及び
ラッチ54a、54bは、収納ユニット51に収納され
た光モジュール52の左右両側に設けられている。ラッ
チ54a、54bは、ラッチ取付部53に回転自在に支
持されており、左側のラッチ54aは光モジュール52
から左側、右側のラッチ54bは光モジュール52から
右側へ突出して、収納ユニット51に係脱自在に係合さ
れる。図10、図11(a)、(b)に例示した光モジ
ュールはいずれも、コネクタ側端部の外周部からのラッ
チの突出が無いか或いは突出が少ない保留位置に位置さ
れたラッチと係脱自在に係合して、ラッチを保留位置に
保持する保留用係合部を有することが好ましい。
FIGS. 11A and 11B show the storage unit 5
1 is an application example of an optical module 52 that is horizontally placed in 1 and arranged and housed in a plurality of stacked layers. The latch mounting portion 53 and the latches 54a and 54b are provided on both left and right sides of the optical module 52 housed in the housing unit 51. It is provided. The latches 54a and 54b are rotatably supported by the latch mounting portion 53, and the left latch 54a is the optical module 52.
The left and right latches 54b project from the optical module 52 to the right side, and are removably engaged with the storage unit 51. In all of the optical modules illustrated in FIGS. 10, 11A, and 11B, there is no or little protrusion of the latch from the outer peripheral portion of the connector-side end portion, and the latch located at the holding position is engaged and disengaged. It is preferable to have a holding engagement portion that freely engages and holds the latch in the holding position.

【0036】請求項1記載の発明に係るラッチ取付部
は、ラッチを回転自在に支持する構成に限定されず、例
えば、プレート状のラッチをスライド移動自在に支持し
て、光モジュールのコネクタ側端部の外周部からのラッ
チの突出寸法を可変とした構成等、各種構成が採用可能
である。また、ラッチの具体的形状としては各種採用可
能であり、例えば図12に示すラッチ60は、ラッチ取
付部61に着脱自在に取り付けられる装着部62がラッ
チ取付部61に対して回転せず、ラッチ60自体に設け
られているヒンジ部63を介して装着部62と連結され
ている係合部64が、ヒンジ部63を中心として回転で
きるようになっている。
The latch mounting portion according to the first aspect of the present invention is not limited to the structure in which the latch is rotatably supported. For example, a plate-shaped latch is slidably supported and a connector side end of the optical module is provided. Various configurations such as a configuration in which the protrusion size of the latch from the outer peripheral portion of the portion is variable can be adopted. Various types of latches can be used. For example, in the latch 60 shown in FIG. 12, the mounting portion 62 detachably mounted on the latch mounting portion 61 does not rotate with respect to the latch mounting portion 61, and An engaging portion 64, which is connected to the mounting portion 62 via a hinge portion 63 provided on the 60 itself, can rotate about the hinge portion 63.

【0037】[0037]

【発明の効果】以上述べたように、本発明の光モジュー
ルによれば、収納ユニットに係脱自在に係合するラッチ
が取り付けられるラッチ取付部を有することから、この
ラッチ取付部に、収納ユニットに係脱自在に係合するラ
ッチを取り付けることで、簡単に収納ユニットに係合で
きるようになり、不用意な引き出し等を防止できる。し
かも、ラッチ取付部は、ラッチが着脱自在に取り付けら
れる構成であることから、収納ユニットとの係合に適し
たラッチを適宜、選択的に使用することができ、収納ユ
ニットの形状、サイズ等に対する汎用性が確保できる。
請求項2記載のように、ラッチ取付部がラッチを回転自
在に支持する構成であれば、収納ユニットに対するラッ
チの係脱を簡単に行える。また、コネクタ側端部の外周
部からの突出が無いか或いは収納ユニットとの係合位置
に比べてラッチの突出寸法が小さい位置に設定されてい
る保留位置に移動したラッチを保留用係合部との係合に
よって、保留位置に保持しておくことができるから、こ
れにより、光モジュールを収納ユニットから引き出しや
収納ユニットへの挿入等のために収納ユニット内で移動
する際に、ラッチが障害物に引っ掛かることを防止で
き、移動を円滑に行えるようになり、作業性を向上でき
る。
As described above, according to the optical module of the present invention, since it has the latch mounting portion to which the latch that is removably engaged with the storage unit is mounted, the storage unit is attached to the latch mounting portion. By attaching a latch that engages and disengages with the storage unit, it becomes possible to easily engage with the storage unit and prevent accidental withdrawal. Moreover, since the latch mounting portion has a structure in which the latch is detachably mounted, a latch suitable for engagement with the storage unit can be selectively used as appropriate, and the shape, size, etc. of the storage unit can be appropriately selected. Versatility can be secured.
If the latch mounting portion rotatably supports the latch as described in claim 2, the latch can be easily engaged with and disengaged from the storage unit. In addition, the latch that has been moved to the holding position where there is no protrusion from the outer peripheral portion of the connector side end or the protrusion size of the latch is set to a position smaller than the engagement position with the storage unit Since it can be held in the holding position by engaging with, the latch obstructs when the optical module is moved in the storage unit for withdrawal from the storage unit or insertion into the storage unit. It can be prevented from being caught on an object, and can be moved smoothly, improving workability.

【図面の簡単な説明】[Brief description of drawings]

【図1】 (a)〜(c)は本発明に係る実施の形態の
光モジュールを示す図であって、(a)は正面図、
(b)は側面図、(c)は下面図である。
1A to 1C are diagrams showing an optical module according to an embodiment of the present invention, in which FIG. 1A is a front view,
(B) is a side view and (c) is a bottom view.

【図2】 図1の光モジュールと該光モジュールに取り
付けられるラッチとを示す斜視図である。
FIG. 2 is a perspective view showing the optical module of FIG. 1 and a latch attached to the optical module.

【図3】 図1の光モジュールのラッチ取付部付近を示
す斜視図である。
FIG. 3 is a perspective view showing the vicinity of a latch mounting portion of the optical module of FIG.

【図4】 (a)〜(c)は図3のラッチ取付部付近を
示す図であって、(a)は正面図、(b)は側面図、
(c)は下面図である。
4 (a) to (c) are views showing the vicinity of the latch mounting portion in FIG. 3, (a) is a front view, (b) is a side view,
(C) is a bottom view.

【図5】 ラッチ取付部にラッチが取り付けられた光モ
ジュールを示す斜視図である。
FIG. 5 is a perspective view showing an optical module in which a latch is attached to a latch attachment portion.

【図6】 図5の光モジュールを収納した収納ユニット
を示す図であって、(a)は正面図、(b)は側面図で
ある。
6A and 6B are views showing a storage unit in which the optical module of FIG. 5 is stored, in which FIG. 6A is a front view and FIG. 6B is a side view.

【図7】 図6の収納ユニット内の光モジュールを引き
出し位置に引き出した状態を示す図である。
7 is a diagram showing a state in which the optical module in the storage unit in FIG. 6 is pulled out to a pull-out position.

【図8】 図6の収納ユニット内の光モジュールのラッ
チをモジュール台に係合させた状態を示す図である。
8 is a diagram showing a state in which the latch of the optical module in the storage unit of FIG. 6 is engaged with the module base.

【図9】 (a)、(b)はラッチの別態様を示す図で
ある。
9A and 9B are views showing another aspect of the latch.

【図10】 本発明に係る光モジュールの別態様を示す
図であって、ラッチ取付部がコネクタ側端部の上部に設
けられている例を示す。
FIG. 10 is a diagram showing another aspect of the optical module according to the present invention, showing an example in which a latch mounting portion is provided on an upper portion of a connector side end portion.

【図11】 (a)、(b)は、収納ユニットに横置き
にして収納される光モジュールを示す図であって、
(a)は平面図、(b)は正面図である。
11 (a) and 11 (b) are views showing an optical module housed horizontally in a housing unit.
(A) is a plan view and (b) is a front view.

【図12】 ラッチの別態様を示す図であって、ラッチ
自体にヒンジ部が設けられている例を示す。
FIG. 12 is a view showing another aspect of the latch, showing an example in which a hinge portion is provided on the latch itself.

【図13】 従来例の光モジュールを収納した成端ユニ
ット及び光配線盤を示す図であって、(a)は正面図、
(b)は側面図である。
FIG. 13 is a diagram showing a termination unit and an optical distribution board that house an optical module of a conventional example, in which (a) is a front view;
(B) is a side view.

【符号の説明】[Explanation of symbols]

10,10A…光モジュール、11…ラッチ取付部、1
2…モジュール本体、12A…コネクタ側端部、14…
光コネクタ(光コネクタアダプタ)、19点保留用係合
部、20,20a,20b…ラッチ、20A…待避位
置、31…収納ユニット、41…光ファイバ、43…光
ファイバ、51…収納ユニット、52…光モジュール、
53…ラッチ取付部、54a,54b…ラッチ、60…
ラッチ、61…ラッチ取付部。
10, 10A ... Optical module, 11 ... Latch mounting portion, 1
2 ... Module main body, 12A ... Connector side end portion, 14 ...
Optical connector (optical connector adapter), 19-point holding engagement portion, 20, 20a, 20b ... Latch, 20A ... Retracted position, 31 ... Storage unit, 41 ... Optical fiber, 43 ... Optical fiber, 51 ... Storage unit, 52 … Optical module,
53 ... Latch mounting portion, 54a, 54b ... Latch, 60 ...
Latch, 61 ... Latch mounting part.

───────────────────────────────────────────────────── フロントページの続き (72)発明者 野村 義和 千葉県佐倉市六崎1440番地 株式会社フジ クラ佐倉事業所内 Fターム(参考) 2H038 AA21 CA36 CA37    ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Yoshikazu Nomura             Fuji Co., Ltd. 1440 Rokuzaki, Sakura City, Chiba Prefecture             Kura Sakura Office F-term (reference) 2H038 AA21 CA36 CA37

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 光ファイバ(41、43)を収納するケ
ース状のモジュール本体(12)と、このモジュール本
体の一側部に設けられて前記光ファイバをコネクタ接続
可能に成端する光コネクタ(14)とを有し、収納ユニ
ット(31、51)に引き出し可能に収納される光モジ
ュールであって、 前記モジュール本体の前記光コネクタ側の側部(12
A)に、前記収納ユニットに対して係脱自在のラッチ
(20、20a、20b、54a、54b、60)が着
脱自在に取り付けられるラッチ取付部(11、53、6
1)を有することを特徴とする光モジュール(10、1
0A、52)。
1. A case-shaped module main body (12) for accommodating optical fibers (41, 43), and an optical connector (1) provided on one side of the module main body for terminating the optical fibers so as to be connectable to the connector. 14), which is housed in the housing unit (31, 51) in a retractable manner, and is a side portion (12) of the module body on the optical connector side.
In (A), a latch mounting portion (11, 53, 6) to which a latch (20, 20a, 20b, 54a, 54b, 60) that is detachable from the storage unit is detachably attached.
1) which has an optical module (10, 1)
0A, 52).
【請求項2】 前記ラッチ取付部は前記ラッチを回転自
在に支持する構成であり、前記ラッチ取付部に取り付け
られた前記ラッチが回転によって、前記モジュール本体
の前記光コネクタ側の側部であるコネクタ側端部の外周
部から外側へ突出されて前記収納ユニットと係合可能と
なる係合位置と、前記コネクタ側端部の外周部からの外
側への突出が解消或いは前記係合位置よりも少ない待避
位置(20A)との間に移動自在になっており、 前記コネクタ側端部には、前記待避位置のラッチと係脱
自在に係合して前記待避位置に保留する保留用係合部
(19)が設けられていることを特徴とする請求項1記
載の光モジュール。
2. The connector, wherein the latch attachment portion is configured to rotatably support the latch, and the latch attached to the latch attachment portion is a side portion on the optical connector side of the module body due to rotation. An engaging position at which the side end portion is projected outward from the outer peripheral portion so as to be engageable with the storage unit, and an outward protrusion from the outer peripheral portion of the connector side end portion is eliminated or less than the engaging position. It is movable between the retracted position (20A) and the connector side end portion, which is releasably engaged with the latch at the retracted position to retain the latch at the retracted position. 19. The optical module according to claim 1, characterized in that 19) is provided.
JP2002019147A 2002-01-28 2002-01-28 Optical module Expired - Fee Related JP3964217B2 (en)

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