JPH0458607B2 - - Google Patents
Info
- Publication number
- JPH0458607B2 JPH0458607B2 JP60250933A JP25093385A JPH0458607B2 JP H0458607 B2 JPH0458607 B2 JP H0458607B2 JP 60250933 A JP60250933 A JP 60250933A JP 25093385 A JP25093385 A JP 25093385A JP H0458607 B2 JPH0458607 B2 JP H0458607B2
- Authority
- JP
- Japan
- Prior art keywords
- ferrule
- optical cable
- optical fiber
- optical
- housing
- 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 - Lifetime
Links
- 239000013307 optical fiber Substances 0.000 claims description 32
- 230000003287 optical effect Effects 0.000 claims description 28
- 238000003780 insertion Methods 0.000 claims description 9
- 230000037431 insertion Effects 0.000 claims description 9
- 238000005192 partition Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 206010041662 Splinter Diseases 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
- G02B6/3823—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres containing surplus lengths, internal fibre loops
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3873—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls
- G02B6/3874—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls using tubes, sleeves to align ferrules
- G02B6/3878—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls using tubes, sleeves to align ferrules comprising a plurality of ferrules, branching and break-out means
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3873—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls
- G02B6/3874—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls using tubes, sleeves to align ferrules
- G02B6/3878—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls using tubes, sleeves to align ferrules comprising a plurality of ferrules, branching and break-out means
- G02B6/3879—Linking of individual connector plugs to an overconnector, e.g. using clamps, clips, common housings comprising several individual connector plugs
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Description
【発明の詳細な説明】
(技術分野)
本発明は光ケーブル端末部に関するものであ
る。DETAILED DESCRIPTION OF THE INVENTION (Technical Field) The present invention relates to an optical cable terminal section.
(従来技術)
従来、光ケーブル相互を接続するには第5図に
示すように、接続すべき光ケーブルA,Aの端末
から引出された複数条の光フアイバ露出心線a,
a相互を接続箱20内で再接続に要する余長部分
を残して先端を突き合せて融着接続し、該接続部
とその両端余長光フアイバ心線をループ状に束ね
て収納ケース24内に収め、収納ケース24を接
続箱20内に立設のロツド21,21に挿通積層
して収納する。次いで接続箱20の相対向板面2
0a,20b間にテンシヨンメンバ引留金具23
を有する支柱22をネジ止め固定し、該支柱2
2,22に光ケーブル端末から引出されたテンシ
ヨンメンバbを引留金具23を介して緊締引留め
した後、最終的に接続箱20上にクロージヤー2
5を被せて接続部を保護していた。しかしなが
ら、上述のようにして光ケーブル相互を接続する
と接続箱20が非常に大型化するばかりでなく、
光フアイバ露出心線接続部とその両端光フアイバ
心線をループ状に束ねて収納した収納ケース24
が、図示するように接続箱20内に立設のロツド
21,21に挿通して積層収納されているため
に、接続箱20から再接続を必要とする光フアイ
バ露出心線の収納ケース24を取出す際に、上層
の収納ケースを接続箱20のロツド21,21か
ら順次抜き取り、必要とする収納ケース24を取
り出さなければならなず、その作業が非常に面倒
で長時間を要するなどの問題点があつた。(Prior Art) Conventionally, in order to connect optical cables to each other, as shown in FIG.
(a) They are fused and spliced in the junction box 20 by leaving the extra length required for reconnection, and the connecting parts and the extra length optical fibers at both ends are bundled into a loop and placed in the storage case 24. The storage case 24 is inserted into the upright rods 21, 21 in the connection box 20, stacked and stored. Next, the opposing plate surface 2 of the connection box 20
Tension member retaining fitting 23 between 0a and 20b
A column 22 having a
After tightening the tension member b pulled out from the optical cable terminal at 2 and 22 via the retainer fitting 23, the closure member 2 is finally placed on the junction box 20.
5 to protect the connection part. However, connecting the optical cables together as described above not only increases the size of the junction box 20, but also
Storage case 24 in which the exposed optical fiber connecting portion and the optical fibers at both ends thereof are bundled into a loop and stored therein.
However, as shown in the figure, the storage case 24 of the exposed optical fibers, which needs to be reconnected from the connection box 20, is inserted into the vertically installed rods 21, 21 and stored in a stacked manner in the connection box 20. When taking out the storage case, the upper storage case must be sequentially pulled out from the rods 21, 21 of the connection box 20, and the required storage case 24 must be taken out, which is a very troublesome and time-consuming process. It was hot.
(本発明の構成)
本発明は上記問題点を解消する目的でなされた
もので、光ケーブル端末から引出された複数条の
光フアイバ露出心線の各端末部に、軸心に光フア
イバとその心線挿通孔を連通穿設し外周面に鍔部
と該鍔部に係止させるスプリンタを備えたフエル
ールを取付け、該フエルールを、貫通孔を穿設し
た隔壁で区画され端部開口内壁内に螺子溝を穿設
したフエルール収納室を複数列設してなるハウジ
ングの各フエルール収納室内に挿入し、該フエル
ール収納室の端部開口内壁面に穿設の螺子溝に光
フアイバ露出心線貫通孔を有する締付ボルトを捻
込んで前記スプリングを介しフエルールに軸方向
の押圧力を作用させてなることを特徴とするもの
である。(Structure of the present invention) The present invention has been made for the purpose of solving the above-mentioned problems, and has an optical fiber attached to each terminal part of a plurality of exposed optical fibers drawn out from an optical cable terminal. A ferrule with a wire insertion hole communicating therewith and a flange on the outer circumferential surface and a splinter to be engaged with the flange is attached, and the ferrule is partitioned by a partition wall with a through hole and inside the inner wall with an opening at the end. The ferrule storage chambers each having a plurality of rows of ferrule storage chambers each having a threaded groove are inserted into each ferrule storage chamber, and an optical fiber exposed core through hole is inserted into the threaded groove formed on the inner wall surface of the end opening of the ferrule storage chamber. The ferrule is characterized in that a tightening bolt having a diameter is screwed in to apply an axial pressing force to the ferrule via the spring.
(本発明の実施例)
以下、本発明の一実施例を図面により説明する
に、第1図乃至第3図において1は貫通孔4を穿
設した隔壁3で区画され端部開口内壁面に螺子溝
5を穿設したフエルール収納室2を複数列設して
なるハウジング、6は軸心に光フアイバ挿通孔7
と光フアイバ心線挿通孔8を連通穿設し、外周面
に鍔部9と該鍔部9に係止させるスプリング10
を備えた複数個のフエルールで、該フエルール6
は光ケーブルAの端末から引出された光フアイバ
露出心線aの各端末部に貼着等の方法により取付
けられ、第1図に示すように前記ハウジング1の
各フエルール収納室2内に挿入され、フエルール
先端は隔壁3に穿設の貫通孔4に挿通し外部に突
出している。11は軸心に光フアイバ露出心線貫
通孔12を穿設した複数個の締付ボルトで、該締
付ボルト11は前記ハウジング1の螺子溝5に
夫々捻込まれスプリング10を介しフエルール6
に軸方向の押圧力を作用させている。なお、この
締付ボルト11は、第3図に示すようにフエルー
ル6を光フアイバ露出心線端末部に貼着等の方法
により取付ける以前に心線を挿通しておくか、或
は締付ボルト11の外周面長手方向にスリツトを
設けておき、フエルール6を光フアイバ露出心線
端末部に取付けた後、心線に嵌め込むようにして
もよい。而して、光フアイバ露出心線端末部に取
付けられたフエルール6が何等かの原因により損
傷した場合には、該フエルールのみハウジング1
内より抜き取り簡単に交換しうるようになつてい
る。(Embodiment of the present invention) Hereinafter, an embodiment of the present invention will be described with reference to the drawings. In Figs. A housing consisting of a plurality of rows of ferrule storage chambers 2 each having a threaded groove 5, 6 having an optical fiber insertion hole 7 at its axis.
An optical fiber insertion hole 8 is formed in communication with the flange 9 on the outer peripheral surface thereof, and a spring 10 is engaged with the flange 9.
a plurality of ferrules having the ferrule 6;
are attached to each end of the exposed optical fiber core a drawn out from the end of the optical cable A by a method such as pasting, and inserted into each ferrule storage chamber 2 of the housing 1 as shown in FIG. The tip of the ferrule is inserted into a through hole 4 formed in the partition wall 3 and projects to the outside. Reference numeral 11 denotes a plurality of tightening bolts each having an optical fiber exposed core through hole 12 formed in the axis thereof. The tightening bolts 11 are screwed into the threaded grooves 5 of the housing 1 and connected to the ferrule 6 via the spring 10.
A pressing force in the axial direction is applied to the Note that this tightening bolt 11 can be used either by inserting the core wire through it before attaching the ferrule 6 to the exposed core end portion of the optical fiber by a method such as pasting, as shown in FIG. A slit may be provided in the longitudinal direction of the outer peripheral surface of the optical fiber 11, and after the ferrule 6 is attached to the exposed end portion of the optical fiber, the ferrule 6 may be fitted into the core wire. Therefore, if the ferrule 6 attached to the exposed end of the optical fiber is damaged for some reason, only the ferrule can be removed from the housing 1.
It can be easily removed from the inside and replaced.
上述のように構成した本発明の光ケーブル端末
部を突き合わせて光ケーブル相互を接続するに
は、例えば第4図に示すように接続すべき光ケー
ブルA,Aを、光ケーブル挿通孔14、光フアイ
バ心線余長収納孔15及びハウジング嵌装孔16
を連続して設けた外殻体13,13の引き通し、
光ケーブルA,Aの端末からテンシヨンメンバb
と再接続に要する余長を十分に残して光フアイバ
心線を引き出し、引留金具17をテンシヨンメン
バbに取付ける。次いで光フアイバ心線の端末か
ら所定長さ光フアイバを露出させた光フアイバ露
出心線aの各端末部に前記したフエルール6を貼
着等の方法で取付け、該フエルール6をハウジン
グ1の各フエルール収納室2内にその先端を突出
させて挿入し、該フエルール収納室2の端部開口
内壁面に穿設の螺子溝5に締付ボルト11を捻込
んでスプリング10を介しフエルール6に軸方向
の押圧力を作用させる。然る後、光ケーブルA,
Aを外殻体13,13内に引戻して、テンシヨン
メンバbに取付けた引留金具17を、外殻体13
の光ケーブル挿通孔14と光フアイバ心線余長収
納孔15との間に形成された段部に係止させると
共に、ハウジング1を外殻体13のハウジング嵌
装孔16内に収納固定し、外殻体13,13相互
を締付ナツト18を介して緊締接続することによ
り、ハウジング1内にスプリング10を介して軸
方向に押圧されたフエルール6,6相互の各先端
面が圧接し、光ケーブル相互は完全に接続され
る。 In order to connect the optical cables by butting together the optical cable terminals of the present invention constructed as described above, for example, as shown in FIG. Long storage hole 15 and housing fitting hole 16
Drawing through the outer shell bodies 13, 13 provided continuously,
Optical cable A, from the terminal of A to tension member b
The optical fiber is pulled out leaving enough extra length for reconnection, and the retaining fitting 17 is attached to the tension member b. Next, the above-mentioned ferrule 6 is attached to each end portion of the exposed optical fiber core a, which has a predetermined length of optical fiber exposed from the end of the optical fiber core wire, by a method such as gluing, and the ferrule 6 is attached to each ferrule of the housing 1. Insert the ferrule into the storage chamber 2 with its tip protruding, and screw the tightening bolt 11 into the threaded groove 5 bored into the inner wall surface of the opening at the end of the ferrule storage chamber 2, and tighten the ferrule 6 in the axial direction via the spring 10. Apply a pressing force of . After that, optical cable A,
A is pulled back into the outer shells 13, 13, and the retaining fitting 17 attached to the tension member b is inserted into the outer shell 13.
At the same time, the housing 1 is fixed in the housing fitting hole 16 of the outer shell 13, and the housing 1 is fixed in the housing fitting hole 16 of the outer shell 13. By tightly connecting the shells 13, 13 to each other via the tightening nut 18, the respective end surfaces of the ferrules 6, 6 pressed in the axial direction within the housing 1 via the spring 10 are pressed against each other, and the optical cables are connected to each other. is fully connected.
(本発明の効果)
本発明によれば上述のように、光ケーブルAの
端末から引出された複数条の光フアイバ露出心線
aの各端末部に、軸心に光フアイバとその心線挿
通孔7,8を連通穿設し外周面に鍔部9と該鍔部
9に係止させるスプリンタ10を備えたフエルー
ル6を取付け、該フエルール6を、貫通孔4を穿
設した隔壁3で区画された端部開口内壁面に螺子
溝5を穿設したフエルール収納室2を複数列設し
てなるハウジング1の各フエルール収納室2内に
挿入し、該フエルール収納室2の端部開口内壁面
に穿設の螺子溝5に光フアイバ露出心線貫通孔1
2を有する締付けボルト11を捻込んで前記スプ
リング10を介しフエルール6に軸方向の押圧力
を作用させて光ケーブル端末部を構成したことに
より、光ケーブル端末部上に外殻体13を被せ
て、該外殻体相互を締付ナツト18を介し緊締接
続するだけの極めて簡単な作業で光ケーブル相互
を確実に接続しうるばかりでなく、光ケーブル端
末から引出された光フアイバ露出心線aの各端末
部に取付けられたフエルール6が何等かの原因に
より損傷したり、或は使用中に接続損失が大きく
なり交換する必要が生じた場合であつても、損傷
し又は交換を必要とするフエルール6のみをハウ
ジング1のフエルール収納室2内から抜き取つて
交換するだけの極めて簡単な作業で光ケーブル端
末部を再生しうるなどの優れた利点がある。(Effects of the Present Invention) According to the present invention, as described above, each end portion of the plurality of exposed optical fibers a drawn out from the end of the optical cable A has an optical fiber and its core wire insertion hole in the axial center. A ferrule 6 having a flange 9 and a splinter 10 that is engaged with the flange 9 is attached to the outer circumferential surface of the ferrule 6 with holes 7 and 8 communicating therebetween, and the ferrule 6 is partitioned by a partition wall 3 with a through hole 4 drilled therein. The inner wall surface of the end opening of the ferrule storage chamber 2 is inserted into each ferrule storage chamber 2 of the housing 1, which has a plurality of rows of ferrule storage chambers 2 with screw grooves 5 formed in the inner wall surface of the end opening. Optical fiber exposed core through hole 1 in screw groove 5 drilled in
By screwing in the tightening bolt 11 having the ferrule 2 and applying an axial pressing force to the ferrule 6 through the spring 10 to form the optical cable terminal, the outer shell 13 is placed over the optical cable terminal and the Not only can the optical cables be reliably connected to each other by an extremely simple operation of just tightening and connecting the outer shells to each other via the tightening nut 18, but also it is possible to connect each terminal of the exposed optical fiber a pulled out from the optical cable terminal. Even if the attached ferrule 6 is damaged for some reason, or if connection loss increases during use and it becomes necessary to replace it, only the ferrule 6 that is damaged or needs to be replaced can be replaced in the housing. It has an excellent advantage that the optical cable terminal part can be regenerated by an extremely simple operation of just removing it from the ferrule storage chamber 2 and replacing it.
第1図は本発明の一実施例を示す縦断面図、第
2図は第1図の右側面図、第3図は一部分解説明
図、第4図は一実施態様を示す説明図、第5図は
従来の光ケーブル接続部を示す斜視図である。
1:ハウジング、2:フエルール収納室、3:
隔壁、4:貫通孔、5:螺子溝、6:フエルー
ル、7:光フアイバ挿通孔、8:光フアイバ心線
挿通孔、9:鍔部、10:スプリング、11:締
付ボルト、12:光フアイバ露出心線貫通孔、
A:光ケーブル、a:光フアイバ露出心線。
FIG. 1 is a longitudinal sectional view showing one embodiment of the present invention, FIG. 2 is a right side view of FIG. 1, FIG. 3 is a partially exploded explanatory view, and FIG. FIG. 5 is a perspective view showing a conventional optical cable connection section. 1: Housing, 2: Ferrule storage chamber, 3:
Partition wall, 4: Through hole, 5: Screw groove, 6: Ferrule, 7: Optical fiber insertion hole, 8: Optical fiber insertion hole, 9: Flange, 10: Spring, 11: Tightening bolt, 12: Light Fiber exposed core through hole,
A: Optical cable, a: Exposed optical fiber.
Claims (1)
ル挿通孔14に挿通し、光ケーブルのテンシヨン
メンバbに引留金具17を取付けて該引留金具1
7を外殻体13に係止させ、前記光ケーブル端末
部から引き出した光フアイバ心線aの余長部分を
外殻体13内の余長収納孔部15内に収納し、前
記光フアイバ心線aの端末部をフエルール6の光
フアイバ心線挿通孔8に挿通して光フアイバを光
フアイバを該フエルール6の光フアイバ挿通孔7
に通し、該フエルール6の外周の鍔9にスプリン
グ10を係止させてハウジング1のフエルール収
納室2に挿通し、前記光フアイバ心線aの端末部
を貫通させた締付ボルト11を前記フエルール収
納室2の後端に螺合して、該締付ボルト11と前
記フエルール収納室2の隔壁3との間で前記スプ
リング10を押圧し、前記ハウジング1を前記外
殻体13のハウジング嵌挿孔16に嵌挿して光ケ
ーブルの端末部を構成し、接続すべき各光ケーブ
ルの前記各端末部を締付ナツト18で接続し、各
端末部の各フエルール6,6相互の先端を突き合
わせて接触させたことを特徴とする光ケーブル端
末部。1. Insert the terminal end of the optical cable into the optical cable insertion hole 14 of the outer shell 13, attach the retaining fitting 17 to the tension member b of the optical cable, and then attach the retaining fitting 1 to the tension member b of the optical cable.
7 is locked in the outer shell 13, and the extra length of the optical fiber core a pulled out from the optical cable terminal part is stored in the extra length storage hole 15 in the outer shell 13, and the optical fiber core The end portion of a is inserted into the optical fiber insertion hole 8 of the ferrule 6, and the optical fiber is inserted into the optical fiber insertion hole 7 of the ferrule 6.
The spring 10 is locked to the collar 9 on the outer periphery of the ferrule 6, and the tightening bolt 11 is inserted into the ferrule storage chamber 2 of the housing 1, and the tightening bolt 11 passed through the end of the optical fiber core a is attached to the ferrule. The spring 10 is screwed into the rear end of the storage chamber 2, and the spring 10 is pressed between the tightening bolt 11 and the partition wall 3 of the ferrule storage chamber 2, and the housing 1 is inserted into the housing of the outer shell 13. The optical cable is inserted into the hole 16 to form a terminal part of the optical cable, and the terminal parts of each optical cable to be connected are connected with a tightening nut 18, and the tips of the ferrules 6, 6 of each terminal part are brought into contact by butting each other. An optical cable terminal section characterized by:
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60250933A JPS62111215A (en) | 1985-11-11 | 1985-11-11 | Terminal part of optical cable |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60250933A JPS62111215A (en) | 1985-11-11 | 1985-11-11 | Terminal part of optical cable |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS62111215A JPS62111215A (en) | 1987-05-22 |
JPH0458607B2 true JPH0458607B2 (en) | 1992-09-18 |
Family
ID=17215177
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP60250933A Granted JPS62111215A (en) | 1985-11-11 | 1985-11-11 | Terminal part of optical cable |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62111215A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5553180A (en) * | 1995-01-17 | 1996-09-03 | Molex Incorporated | Adapter assembly for fiber optic connectors |
EP1337883B1 (en) * | 2000-11-21 | 2004-09-29 | Euromicron Werkzeuge GmbH | Connector for optical waveguides comprising a connector housing |
US6634797B2 (en) * | 2001-12-27 | 2003-10-21 | Hon Hai Precision Ind. Co., Ltd. | Multi-fiber array assembly |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6090307A (en) * | 1983-10-24 | 1985-05-21 | Furukawa Electric Co Ltd:The | Connecting part of optical composite "of" cable |
JPS60197113A (en) * | 1984-03-21 | 1985-10-05 | 株式会社ユタカ製作所 | Electric coupler |
-
1985
- 1985-11-11 JP JP60250933A patent/JPS62111215A/en active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6090307A (en) * | 1983-10-24 | 1985-05-21 | Furukawa Electric Co Ltd:The | Connecting part of optical composite "of" cable |
JPS60197113A (en) * | 1984-03-21 | 1985-10-05 | 株式会社ユタカ製作所 | Electric coupler |
Also Published As
Publication number | Publication date |
---|---|
JPS62111215A (en) | 1987-05-22 |
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