JPS5932973Y2 - Terminal structure of optical fiber connector - Google Patents
Terminal structure of optical fiber connectorInfo
- Publication number
- JPS5932973Y2 JPS5932973Y2 JP7804979U JP7804979U JPS5932973Y2 JP S5932973 Y2 JPS5932973 Y2 JP S5932973Y2 JP 7804979 U JP7804979 U JP 7804979U JP 7804979 U JP7804979 U JP 7804979U JP S5932973 Y2 JPS5932973 Y2 JP S5932973Y2
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- terminal
- cylindrical member
- fiber connector
- terminal structure
- 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
Links
Landscapes
- Mechanical Coupling Of Light Guides (AREA)
Description
【考案の詳細な説明】
本考案は光フアイバケーブル通信システムに用いられ光
フアイバケーブル相互または光フアイバケーブルと他の
光デバイスとを光学的に接続するための接続機構を有す
る光フアイバコネクタの端末構造に関する。[Detailed description of the invention] The present invention is a terminal structure of an optical fiber connector that is used in an optical fiber cable communication system and has a connection mechanism for optically connecting optical fiber cables to each other or to optical fiber cables and other optical devices. Regarding.
一般に、光フアイバケーブル相互の接続において、互換
性および再現性を有する接続機構を構成する場合、光フ
アイバケーブルの端末部において光フアイバケーブルの
コアを端末部の一定の位置に高精度に位置決めし、円筒
部材に挿入し、光フアイバケーブルの接続側と被接続側
とを互いに突き合せて高精度に光軸を一致させて使用す
ることが多い。Generally, when configuring a compatible and reproducible connection mechanism for connecting optical fiber cables to each other, the core of the optical fiber cable is positioned at a certain position at the end of the optical fiber cable with high precision, It is often used by inserting it into a cylindrical member and aligning the optical axes with high precision by abutting the connecting side and the connected side of the optical fiber cable against each other.
この種の従来の端末部構造においては、位置決めに時間
がかかり、また高精度の芯合せが行なえないという欠点
がある。This type of conventional terminal structure has disadvantages in that positioning takes time and highly accurate centering cannot be performed.
さらに、光フアイバケーブルの端末部を固定する固定機
構としては、一般に光ファイバを固定した端末円筒部材
の外周に配置したねじ嵌合機構が用いられている。Furthermore, as a fixing mechanism for fixing the end portion of an optical fiber cable, a screw fitting mechanism is generally used that is disposed on the outer periphery of a cylindrical end member to which an optical fiber is fixed.
このため光ファイバを固定した端末円筒部材の端面相互
を突合せる場合、端面相互がねじられ、端面のコア部に
キズ等がつく恐れがある。For this reason, when the end surfaces of the terminal cylindrical members to which the optical fibers are fixed are abutted against each other, the end surfaces may be twisted and the core portions of the end surfaces may be damaged.
本考案の目的は上述の欠点を除去し一定方向の位置に光
フアイバケーブルのコアを容易かつ正確に位置決めし得
る光フアイバコネクタの端末構造を提供することにある
。SUMMARY OF THE INVENTION An object of the present invention is to provide a terminal structure for an optical fiber connector that eliminates the above-mentioned drawbacks and allows the core of an optical fiber cable to be easily and accurately positioned in a certain direction.
本考案の特徴は、光ファイバを端末円筒部材に固定し前
記光ファイバのコアの中心と前記端末円筒部材の外周に
対する中心とを結ぶ線上に突起部を設けることにより前
記光ファイバのコア位置方向および前記光ファイバを固
定せしめた前記端末円筒部材の回転を抑制するようにし
たことにある。A feature of the present invention is that an optical fiber is fixed to a cylindrical terminal member, and a protrusion is provided on a line connecting the center of the core of the optical fiber and the center of the cylindrical terminal member relative to the outer periphery. The present invention is characterized in that rotation of the terminal cylindrical member to which the optical fiber is fixed is suppressed.
次に本考案を図面を参照して詳細に説明する。Next, the present invention will be explained in detail with reference to the drawings.
第1図は従来の構造の一例である。FIG. 1 shows an example of a conventional structure.
図において光ファイバ2の外径よりわずかに大きい径を
有する貫通穴をほぼ中心軸上に設けた端末円筒部材11
の貫通穴に光ファイバ2が挿入され、光ファイバ2と貫
通穴とのすきまには固着剤3が挿入されている。In the figure, a terminal cylindrical member 11 having a through hole having a diameter slightly larger than the outer diameter of the optical fiber 2 is provided approximately on the central axis.
The optical fiber 2 is inserted into the through hole, and the adhesive 3 is inserted into the gap between the optical fiber 2 and the through hole.
端末円筒部材1の外周に対する中心に光ファイバ2のコ
ア中心を高精度に位置決めする方法として端末円筒部材
1の外周に対する中心位置に光ファイバ2を挿入し得る
貫通穴を設けて行なう方法、端末円筒部材1に光ファイ
バ2を固定したあと光ファイバ2のコア部を基準に端末
円筒部材1の外周を切削する方法等多くの位置決め方法
がある。A method of positioning the core center of the optical fiber 2 at the center relative to the outer periphery of the terminal cylindrical member 1 with high precision is to provide a through hole into which the optical fiber 2 can be inserted at the center position relative to the outer periphery of the terminal cylindrical member 1. There are many positioning methods, such as a method of fixing the optical fiber 2 to the member 1 and then cutting the outer periphery of the terminal cylindrical member 1 with reference to the core portion of the optical fiber 2.
第1図の構造を用いて第4図に示すように互いに端面相
互を円筒部材12内に挿入して突合せると、円筒部材1
2内で端末部が回転し光ファイバ2のコア位置が変動し
たり、端末円筒部材1が回転し端末部端面にキズ等がつ
きやすく、シかもガラスからなる光ファイバ2のコアが
破損する恐れがある。When the structure of FIG. 1 is used and the end faces of each other are inserted into the cylindrical member 12 and abutted against each other as shown in FIG. 4, the cylindrical member 1
The end portion rotates within the optical fiber 2 and the core position of the optical fiber 2 changes, and the end cylindrical member 1 rotates and the end surface of the end portion is likely to be scratched, and the core of the optical fiber 2 made of glass may be damaged. There is.
第2図および第3図は本考案の一実施例である。FIGS. 2 and 3 show an embodiment of the present invention.
第2図において、光ファイバ2の外径よりわずかに大き
い貫通穴をほぼ中心軸上に設けた端末円筒部材1の貫通
穴に光ファイバ2が挿入され、光ファイバ2と貫通穴と
のすきまには固着剤3が挿入されている。In FIG. 2, the optical fiber 2 is inserted into the through hole of the terminal cylindrical member 1, which has a through hole slightly larger than the outer diameter of the optical fiber 2, approximately on the central axis, and the gap between the optical fiber 2 and the through hole is The adhesive 3 is inserted.
また、端末円筒部材1の外周を基準、にしたときの中心
5と光ファイバのコアの中心6とを結ぶ線11上に突起
4が設けられている。Further, a protrusion 4 is provided on a line 11 connecting a center 5 with the outer circumference of the terminal cylindrical member 1 as a reference and a center 6 of the core of the optical fiber.
第3図の構造は端末円筒部材1に段8を設け、この段8
上に突起4を有した円筒部材7を配置し線11上に突起
4がくるように円筒部材7を回転させ、位置決定後に段
8上で押圧治具9を用いて矢印10方向に押圧治具9を
押圧することにより円筒部材7を端末円筒部材1の所定
の位置に位置決めする構造である。The structure shown in FIG. 3 has a step 8 on the end cylindrical member 1, and
Arrange the cylindrical member 7 with the protrusion 4 on the top, rotate the cylindrical member 7 so that the protrusion 4 is on the line 11, and after determining the position, use the pressing jig 9 on the stage 8 to press the jig in the direction of the arrow 10. This structure positions the cylindrical member 7 at a predetermined position on the end cylindrical member 1 by pressing the tool 9.
第4図は本考案の構造の端末相互を突起4の逃げ穴13
を有する円筒部材12に神前した一実施例である。Figure 4 shows the escape hole 13 of the protrusion 4 between the ends of the structure of the present invention.
This is an example in which a cylindrical member 12 having a cylindrical member 12 is used.
この場合、円筒端末部材1に固定した光ファイバ2のコ
ア位置方向は突合せた端面相互では同方向であるので、
接続による接続損失が低減する。In this case, the core position direction of the optical fiber 2 fixed to the cylindrical end member 1 is in the same direction on the abutted end surfaces, so
Connection loss due to connection is reduced.
また、円筒端末部材1に回転を加えても突起4が突起逃
げ穴13の側面に当り回転することがなく、この結果、
端末部端面の回転が生じないため、コアの破損等を防止
できる。Furthermore, even if the cylindrical end member 1 is rotated, the protrusion 4 hits the side surface of the protrusion relief hole 13 and does not rotate.
Since the end face of the terminal portion does not rotate, damage to the core can be prevented.
第5図は光テ゛バイ又と本考案の端末とを接続する構成
を示す。FIG. 5 shows a configuration for connecting an optical device and a terminal according to the present invention.
第5図において、円筒端末部材1が挿入可能な穴を有し
突起4の逃げ穴13を有する光テ゛バイスハウジング1
4に固定された光デバイス15と端末部材1とが接続さ
れている。In FIG. 5, an optical device housing 1 has a hole into which the cylindrical end member 1 can be inserted and a relief hole 13 for the protrusion 4.
An optical device 15 fixed to terminal member 4 and terminal member 1 are connected.
以上のように、本考案では光ファイバを固定した端末円
筒部材のある所定位置に突起を設けるという簡易な構成
の採用により互換性および再現性に優れた光フアイバコ
ネクタの端末構造を実現することができる。As described above, the present invention makes it possible to realize an optical fiber connector terminal structure with excellent compatibility and reproducibility by adopting a simple structure in which a protrusion is provided at a predetermined position on the terminal cylindrical member to which the optical fiber is fixed. can.
第1図aおよびbは従来の端末構造の正面図および側面
図、第2図a、第3図aおよび第2図b、第3図すは本
考案の一実施例を示す正面図および側面図、第4図は本
考案の端末相互を円筒部材内に挿入した状態を示す部分
断面図および第5図は本考案端末と光テ゛バイスとの接
続状態を示す断面図である。
図において、1・・・・・・端末円筒部材、2・・・・
・・光ファイバ、3・・・・・・固着剤、4・・・・・
・突起、5・・・・・・端末円筒部材1の外周を基準に
したときの中心、6・・・・・・光ファイバ2のコア中
心又は円筒部材1の貫通穴中心、7・・・・・・突起4
を具備した円筒部材、8・・・・・・端末円筒部材1に
設けた段、9・・・・・・押圧工具、10・・・・・・
押圧工具9の押圧方向、11・・・・・・5と6の結ぶ
線、12・・・・・・円筒部材、13・・・・・・円筒
部材12に設けた突起4逃げ穴。Figures 1a and b are front and side views of a conventional terminal structure, Figures 2a, 3a and 2b, and Figure 3 are a front and side view of an embodiment of the present invention. 4 is a partial sectional view showing a state in which the terminals of the present invention are inserted into a cylindrical member, and FIG. 5 is a sectional view showing a state in which the terminal of the present invention and an optical device are connected. In the figure, 1...terminal cylindrical member, 2...
...Optical fiber, 3...Adhesive, 4...
・Protrusion, 5... Center when based on the outer circumference of the terminal cylindrical member 1, 6... Center of the core of the optical fiber 2 or center of the through hole of the cylindrical member 1, 7... ...Protrusion 4
A cylindrical member equipped with 8...a step provided on the terminal cylindrical member 1, 9...a pressing tool, 10...
The pressing direction of the pressing tool 9, 11... The line connecting 5 and 6, 12... The cylindrical member, 13... The escape hole for the protrusion 4 provided in the cylindrical member 12.
Claims (2)
光フアイバコネクタの端末構造において、前記端末円筒
部材の外周に位置し、この外周の中心と前記光ファイバ
のコアの中心とを結ぶ線上に突起が配置された光フアイ
バコネクタの端末構造。(1) In the terminal structure of an optical fiber connector in which an optical fiber is fixed on the central axis of a terminal cylindrical member, the terminal is located on the outer periphery of the terminal cylindrical member and is on a line connecting the center of this outer periphery and the center of the core of the optical fiber. The terminal structure of an optical fiber connector with protrusions arranged on the inside.
めて固定する円筒部材に形成した実用新案登録請求の範
囲第(1)項に記載された光フアイバコネクタの端末構
造。(2) The terminal structure of an optical fiber connector according to claim (1), wherein the protrusion is formed on a cylindrical member which is caulked and fixed to a part of the outer periphery of the terminal cylindrical member.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7804979U JPS5932973Y2 (en) | 1979-06-08 | 1979-06-08 | Terminal structure of optical fiber connector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7804979U JPS5932973Y2 (en) | 1979-06-08 | 1979-06-08 | Terminal structure of optical fiber connector |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55178110U JPS55178110U (en) | 1980-12-20 |
JPS5932973Y2 true JPS5932973Y2 (en) | 1984-09-14 |
Family
ID=29311505
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7804979U Expired JPS5932973Y2 (en) | 1979-06-08 | 1979-06-08 | Terminal structure of optical fiber connector |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5932973Y2 (en) |
-
1979
- 1979-06-08 JP JP7804979U patent/JPS5932973Y2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS55178110U (en) | 1980-12-20 |
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