JPS60189705A - Pressureproof optical fiber connector - Google Patents
Pressureproof optical fiber connectorInfo
- Publication number
- JPS60189705A JPS60189705A JP4549884A JP4549884A JPS60189705A JP S60189705 A JPS60189705 A JP S60189705A JP 4549884 A JP4549884 A JP 4549884A JP 4549884 A JP4549884 A JP 4549884A JP S60189705 A JPS60189705 A JP S60189705A
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- hole part
- tapered hole
- pressure side
- low pressure
- 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.)
- Pending
Links
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
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4415—Cables for special applications
- G02B6/4427—Pressure resistant cables, e.g. undersea cables
- G02B6/4428—Penetrator systems in pressure-resistant devices
Abstract
Description
【発明の詳細な説明】
較発明は、耐圧光フアイバコネクタの改良に関し、更に
詳細にのべると９例えば、海底機器から光ケーブルを導
出する部分の耐圧構造を有する光フアイバコネクタに関
するものである。DETAILED DESCRIPTION OF THE INVENTION The comparative invention relates to improvements in pressure-resistant optical fiber connectors, and more specifically, relates to an optical fiber connector having a pressure-resistant structure in a portion for leading out optical cables from submarine equipment, for example.
海底機器から導出する光ケーブルはこの機器の隔壁を光
ファイバが水密を保って貫通することが要求される。従
来技術のこの種の光ファイ・・丸コネクタは１例えば、
米国特許第３，８２５．３２０号に示すように、高圧側
と低圧側とを隔離する海底機器の隔壁を水密を保って貫
通する貢通金具内に設けられた光ロッド棒から成ってい
るが、このような光ロッド棒では特にその端面の仕上げ
が充分に行なわれ難いので光伝送特性が低下し、またこ
の光ロッド棒の水密を保つ構造が複雑となる欠点があっ
た。Optical cables led out from submarine equipment are required to pass through the equipment's bulkheads in a watertight manner. This type of optical fiber circular connector in the prior art has one example:
As shown in U.S. Pat. No. 3,825.320, it consists of a light rod installed in a fitting that penetrates the bulkhead of submarine equipment in a watertight manner separating the high-pressure side and the low-pressure side. However, in such an optical rod, it is difficult to finish the end face sufficiently, so that the light transmission characteristics are deteriorated, and the structure for keeping the optical rod watertight is complicated.
本発明の目的は、端面加工を必要とすることかなく且つ
光伝送部材の水密構造が筒中な耐圧光フアイバコネクタ
を提供することにある。An object of the present invention is to provide a pressure-resistant optical fiber connector that does not require end face processing and in which the watertight structure of the optical transmission member is in the cylinder.
本発明の実施例を図面を参照して詳細に説明すると、第
１図は本発明に係る耐圧光ファイバコネクタ１０を示し
、この光フアイバコネクタｌＯは、高圧側１２と低圧側
１４とを隔離する海底機器の隔壁１６の円筒状孔１６ａ
を貫通する貫通金具１８を備え、この貫通金具１８は鍔
１８ａを高圧側１２にして低圧側に突出するねしｇＨａ
ｂにワッシャー２０を介してナツト２２を螺合して取付
けられている。尚、鍔１８ａと隔壁１６との間及び貫通
金具１８と円筒状孔Ｌ６ａとの間に０−リング２４が設
けられて隔壁１６と貫通金具１８との間の液密を保って
いる。この貫通金具１８は後にのべるように光ケーブル
の光ファイバ２６が貫通する貫通孔１９を有し、この先
ファイ／＜２６の低圧側の端部はその被覆が除去されて
裸ファイバ２６ａの状態で貫通しその端面ば研摩仕上げ
されていてレセプタクル２８を形成している。Embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 shows a pressure-resistant optical fiber connector 10 according to the present invention, and this optical fiber connector IO isolates a high voltage side 12 and a low voltage side 14. Cylindrical hole 16a of bulkhead 16 of submarine equipment
The penetrating fitting 18 is provided with a through fitting 18 which has a collar 18a on the high pressure side 12 and protrudes toward the low pressure side.
b by screwing a nut 22 through a washer 20. Note that an O-ring 24 is provided between the collar 18a and the partition wall 16 and between the penetrating fitting 18 and the cylindrical hole L6a to maintain liquid tightness between the partition wall 16 and the penetrating fitting 18. This penetration fitting 18 has a through hole 19 through which an optical fiber 26 of an optical cable passes through, as will be described later, and the low voltage side end of the optical fiber 26 has its coating removed and passes through as a bare fiber 26a. Its end face is polished and forms a receptacle 28.
光ファイバ２６が貫通部具１８の鍔１８ａから突出する
部分と鍔１８ａの端部とを埋設するようにプラスチック
モールド２８が設けられていて貫通金具１８と光ファイ
バ２６との貫通部の液密を保っている。図示の実施例で
は１貫通金具１８の鍔１８ａに光ファイバ２６を包囲す
る円筒状の突出部１８ｃを有し、プラスチックモールド
２８はこの突出部１８ｃと光ファイバ２６とを埋込むよ
うに設けられている。尚９図示のように０円筒状突出部
１８ｃはその周面に複数の環状溝１８ｄを有すると、プ
ラスチックモールド２８と突出部１８ｃとの結合が充分
となって好ましい。A plastic mold 28 is provided so as to bury the portion where the optical fiber 26 protrudes from the flange 18a of the penetration fitting 18 and the end of the flange 18a, thereby making the penetration part between the penetration fitting 18 and the optical fiber 26 liquid-tight. I keep it. In the illustrated embodiment, the collar 18a of the first penetration fitting 18 has a cylindrical protrusion 18c surrounding the optical fiber 26, and the plastic mold 28 is provided so as to embed the protrusion 18c and the optical fiber 26. There is. It is preferable that the cylindrical protruding part 18c has a plurality of annular grooves 18d on its circumferential surface as shown in FIG.
光ファイバ２６が貫通する貫通部Ｊ（１８の貫通孔１９
は低圧側１４では低圧側に向けて径が小さくなるテーパ
孔部分１９ａとなっており。Penetration part J (through hole 19 of 18) through which the optical fiber 26 penetrates
On the low pressure side 14, there is a tapered hole portion 19a whose diameter decreases toward the low pressure side.
またその先はこのテーパ孔部分Ｌ９ａに連続して細孔部
分１９ｂとなっている。光ファイバ２６の裸ファイバ２
６ａはこのテーパ孔部分１９ａ及び細孔部分１９ｂを貫
通してレセプタクル２８に接続されている。この裸ファ
イバ２８ａが入っているテーパ孔部分１９ａと細孔部分
１９ｂとには封止材３０が充填されている。従って、若
し５．鍔１８ａと貫通金具１８の間を通って高圧がかか
っても封止材３０がテーパ孔部分１９ａによってこの高
圧を阻Ｉヒするので水が貫通金具１８の貫通孔１９を通
って侵入することはない。Moreover, the tip thereof is continuous with this tapered hole portion L9a and becomes a fine hole portion 19b. Bare fiber 2 of optical fiber 26
6a is connected to the receptacle 28 by passing through the tapered hole portion 19a and the fine hole portion 19b. A sealing material 30 is filled in the tapered hole portion 19a containing the bare fiber 28a and the pore portion 19b. Therefore, if 5. Even if high pressure is applied between the collar 18a and the penetrating fitting 18, the sealing material 30 blocks this high pressure by the tapered hole portion 19a, so water will not enter through the through hole 19 of the penetrating fitting 18. do not have.
光ファイバ２６の裸ファイバ２６ａはレセプタクル２８
内でその研摩代トげされた端面が露出していている。The bare fiber 26a of the optical fiber 26 is connected to the receptacle 28.
Inside, the polished end surface is exposed.
４：発明によれば、上記のように、光ケーブルに接続さ
れるべきコネクタはこの光ケーブルの光フアイバ自体が
貫通しているので両者の接続部で端面仕−Ｌげを必要と
しないから光伝送特性が低下することがないＬにこの光
ファイバはテーパ孔部分を貫通しその中に封＋ト材が充
填されているので高圧側から漏水することがなく液密性
の高い耐圧光フアイバコネクタを得ることができる実益
がある。4: According to the invention, as mentioned above, the optical fiber of the optical cable passes through the connector to be connected to the optical cable, so there is no need for end finishing at the connection between the two, so the optical transmission characteristics are improved. This optical fiber passes through the tapered hole portion and is filled with a sealing material, so that water does not leak from the high pressure side and a pressure-resistant optical fiber connector with high liquid tightness is obtained. There are practical benefits that can be achieved.
図面は本発明に係る耐圧光フアイバコネクタの縦断面図
である。
１０−−−−一耐圧光ファイバコネクタ、１２−−−−
−高圧側、１４−−一−−低圧側、１６−−−−隔壁、
１８−−−−一貫通金具。
１９−−−−一貫通孔、 １９ ａ −−−−−テーパ
孔部分、 ｌ ９ ｂ−−−−一細孔部分、２２−−−
一−ナツト、２４−−ｍ−−０−リング。
２６−−−−−光ファイバ、２６ａ−−−−−裸ファイ
バ、３０−一−−−封１ヒ材。The drawing is a longitudinal sectional view of a pressure-resistant optical fiber connector according to the present invention. 10----1 pressure-resistant optical fiber connector, 12----
- high pressure side, 14 - - low pressure side, 16 - - partition wall,
18---Continuous metal fitting. 19---Continuous hole, 19a---Tapered hole part, l9b---One pore part, 22---
1-nut, 24--m--0-ring. 26-----Optical fiber, 26a--Bare fiber, 30-1---Sealing material.
Claims (1)
て貫通する貫通金具から成る光ケーブルの光ファイ／へ
用の耐圧光フアイバコネクタにおいて、前記貫通金具の
前記貫通孔は前記低圧側の端部付近で前記光ファイバの
被覆が除去された裸光ファイバが貫通し低圧側に向けて
径が小さくなるテーパ孔部分を有し前記裸光ファイバが
埋込まれるように前記テーパ孔部分に封１１−材が充填
されていることを特徴とする耐圧光フアイバコネクタ。In a pressure-resistant optical fiber connector for an optical fiber of an optical cable, the through-hole of the through-fitting is formed on the low-voltage side, and includes a through-fitting that penetrates a through-hole of a partition wall that separates a high-voltage side and a low-voltage side in a liquid-tight manner. A tapered hole portion is provided near the end of which the bare optical fiber from which the coating of the optical fiber is removed passes through and the diameter decreases toward the low pressure side, and the tapered hole portion is such that the bare optical fiber is embedded. 11 - A pressure-resistant optical fiber connector characterized in that it is filled with a sealing material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4549884A JPS60189705A (en) | 1984-03-12 | 1984-03-12 | Pressureproof optical fiber connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4549884A JPS60189705A (en) | 1984-03-12 | 1984-03-12 | Pressureproof optical fiber connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60189705A true JPS60189705A (en) | 1985-09-27 |
Family
ID=12721064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4549884A Pending JPS60189705A (en) | 1984-03-12 | 1984-03-12 | Pressureproof optical fiber connector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60189705A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2655739A1 (en) * | 1989-12-13 | 1991-06-14 | Cit Alcatel | LONGITUDINAL SEALING DEVICE FOR THE SOUL OF AN OPTICAL CABLE. |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3825320A (en) * | 1973-03-02 | 1974-07-23 | Us Navy | High-pressure optical bulkhead penetrator |
| JPS57198406A (en) * | 1981-05-30 | 1982-12-06 | Nippon Telegr & Teleph Corp <Ntt> | Leading part of optical fiber |
-
1984
- 1984-03-12 JP JP4549884A patent/JPS60189705A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3825320A (en) * | 1973-03-02 | 1974-07-23 | Us Navy | High-pressure optical bulkhead penetrator |
| JPS57198406A (en) * | 1981-05-30 | 1982-12-06 | Nippon Telegr & Teleph Corp <Ntt> | Leading part of optical fiber |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2655739A1 (en) * | 1989-12-13 | 1991-06-14 | Cit Alcatel | LONGITUDINAL SEALING DEVICE FOR THE SOUL OF AN OPTICAL CABLE. |
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