JPH04347806A - Optical multi-fiber connector plug - Google Patents
Optical multi-fiber connector plugInfo
- Publication number
- JPH04347806A JPH04347806A JP3149681A JP14968191A JPH04347806A JP H04347806 A JPH04347806 A JP H04347806A JP 3149681 A JP3149681 A JP 3149681A JP 14968191 A JP14968191 A JP 14968191A JP H04347806 A JPH04347806 A JP H04347806A
- Authority
- JP
- Japan
- Prior art keywords
- guide pin
- plug
- core
- connector
- guide
- 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
Links
- 239000000835 fiber Substances 0.000 title claims abstract description 11
- 230000003287 optical effect Effects 0.000 title description 3
- 238000003780 insertion Methods 0.000 claims abstract description 21
- 230000037431 insertion Effects 0.000 claims abstract description 21
- 239000013013 elastic material Substances 0.000 claims abstract description 3
- 239000013307 optical fiber Substances 0.000 claims description 23
- 230000006978 adaptation Effects 0.000 abstract 1
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 210000000078 claw Anatomy 0.000 description 8
- 239000000306 component Substances 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 2
- 238000010137 moulding (plastic) Methods 0.000 description 2
- 102100027340 Slit homolog 2 protein Human genes 0.000 description 1
- 101710133576 Slit homolog 2 protein Proteins 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Mechanical Coupling Of Light Guides (AREA)
Abstract
Description
【０００１】0001
【産業上の利用分野】本発明は、複数心の光ファイバを
同時に接続するための光ファイバ多心コネクタプラグに
係り、特にその接続や解除の操作性を向上させた光ファ
イバ多心コネクタプラグ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 fiber multi-core connector plug for connecting a plurality of optical fibers at the same time, and more particularly to an optical fiber multi-core connector plug that improves the operability of connection and disconnection. It is something.
【０００２】0002
【従来の技術】従来の多心コネクタプラグＡには、図３
に示すように、光ファイバテープ１内に収容された複数
心の光ファバ２が固定されている。プラグＡの構成部品
は、図４に示すように、多心コネクタ中子３、ガイドピ
ン抜け止め部品４、スプリング５、前部ハウジング６、
および後部ハウジング７等である。多心コネクタ中子３
には、光ファイバテープ１内の光ファイバ２が１対のガ
イドピン挿入穴８の間に配列固定されている。ガイドピ
ン抜け止め部品４は、多心コネクタ中子３の後方端面に
配設され、これにより１対のガイドピン９を多心コネク
タ中子３のガイドピン挿入穴８に挿入したとき、後方に
抜け出ることが防止される。スプリング５はガイドピン
抜け止め部品４の後方に配設され、これにより多心コネ
クタ中子３が軸方向に加圧される。前部ハウジング６と
後部ハウジング７は、ガイドピン抜け止め部品４を固定
した多心コネクタ中子３とスプリング５を組み込んでプ
ラグＡを一体化するためのものである。[Prior Art] A conventional multi-core connector plug A has a structure shown in FIG.
As shown, a plurality of optical fibers 2 housed within an optical fiber tape 1 are fixed. As shown in FIG. 4, the components of the plug A include a multi-core connector core 3, a guide pin retainer 4, a spring 5, a front housing 6,
and the rear housing 7, etc. Multi-core connector core 3
, optical fibers 2 in an optical fiber tape 1 are arranged and fixed between a pair of guide pin insertion holes 8. The guide pin retainer 4 is disposed on the rear end surface of the multi-core connector core 3, so that when the pair of guide pins 9 are inserted into the guide pin insertion hole 8 of the multi-core connector core 3, escape is prevented. The spring 5 is disposed behind the guide pin retaining member 4, and thereby pressurizes the multi-core connector core 3 in the axial direction. The front housing 6 and the rear housing 7 are used to integrate the plug A by incorporating the multi-core connector core 3 to which the guide pin retaining part 4 is fixed and the spring 5.
【０００３】プラグ相互間の接続は、図５に示すように
、一方のプラグＡのガイドピン挿入穴８内にガイドピン
９を挿入した後、このプラグＡをアダプタＢの一端から
挿入してこのアダプタＢの弾性爪１０とプラグＡの溝１
１を結合させ、更に他方のプラグＡ′をアダプタＢの他
端から挿入してアダプＢの弾性爪１０′とプラグＡ′の
溝１１′を結合させることで行われる。The connection between the plugs is made by inserting the guide pin 9 into the guide pin insertion hole 8 of one plug A, and then inserting this plug A from one end of the adapter B, as shown in FIG. Elastic claw 10 of adapter B and groove 1 of plug A
1, and then inserting the other plug A' from the other end of the adapter B to connect the elastic claw 10' of the adapter B and the groove 11' of the plug A'.
【０００４】ここで、プラグＡのガイドピン挿入穴８に
挿入されていたガイドピン９は、プラグＡ′のガイドピ
ン挿入穴８′にも挿入され、これによりプラグＡとＡ′
に配列固定された光ファイバ１、１′相互間が、１対の
ガイドピン９をガイドとして位置合わせされ、接続され
る。Here, the guide pin 9 that was inserted into the guide pin insertion hole 8 of plug A is also inserted into the guide pin insertion hole 8' of plug A', and thereby plugs A and A'
The optical fibers 1 and 1' which are arranged and fixed are aligned and connected using a pair of guide pins 9 as a guide.
【０００５】再接続や切換接続のときのプラグＡ、Ａ′
相互間の切り離しは、アダプタＢの弾性爪１０、１０′
とプラグＡ、Ａ′の溝１１、１１′との結合を解除し、
プラグＡ、Ａ′をアダプタＢから引き抜くことで行われ
る。Plug A, A' when reconnecting or switching connection
The separation between them is done using the elastic claws 10 and 10' of the adapter B.
and disconnect the grooves 11 and 11' of plugs A and A',
This is done by pulling out plugs A and A' from adapter B.
【０００６】[0006]
【発明が解決しようとする課題】このとき、プラグＡ、
Ａ′のガイドピン挿入穴８、８′に共通に接続されてい
たガイドピン９は、どちらのガイドピン挿入穴８、８′
にも固定されていないことから、プラグＡ、Ａ′から抜
け出し、落下したりする現象が生じていた。この現象の
ため、プラグの着脱操作性が劣ることが大きな問題とし
て残されていたのである。[Problem to be solved by the invention] At this time, plug A,
The guide pin 9 that was commonly connected to the guide pin insertion holes 8 and 8' of A' is connected to which guide pin insertion hole 8 and 8'
Since the plugs were not fixed in place, there was a phenomenon in which they would slip out of the plugs A and A' and fall. Because of this phenomenon, poor operability in attaching and detaching the plug remained a major problem.
【０００７】このようなガイドピン抜け出しの問題に対
し、ガイドピン９をプラグＡ、Ａ′の一方に接着等で固
定する方法は、次の問題を起こすことから、解決策とな
らなかった。[0007] The method of fixing the guide pin 9 to one of the plugs A and A' by adhesive or the like has not been a solution to the problem of the guide pin coming off as described above because it causes the following problem.
【０００８】（１）．ガイドピンを固定したオス型プラ
グとガイドピンのないメス型プラグを接続する構成とな
るため、プラグ相互間の接続に方向性が生じ、任意のプ
ラグ相互間を接続できない等、汎用性を損なってしまう
。(1). Since it is configured to connect a male plug with a fixed guide pin and a female plug without a guide pin, there is a directionality in the connection between the plugs, which impairs versatility, such as making it impossible to connect arbitrary plugs. Put it away.
【０００９】（２）．屋外の接続工事現場でプラグの移
動のためにプラグ単体を取り扱うとき、ガイドピンを挿
入した状態のままではガイドピンの先端部に過大な外力
が加わるとプラグを損傷させる危険がある。(2). When handling a single plug to move it at an outdoor connection construction site, if the guide pin is left inserted, there is a risk of damaging the plug if excessive external force is applied to the tip of the guide pin.
【００１０】（３）．ガイドピンを挿入した状態のまま
ではプラグ端面の清掃が不完全になり易い。(3). If the guide pin remains inserted, cleaning of the end face of the plug tends to be incomplete.
【００１１】本発明の目的は、上記（１）〜（３）の問
題を発生させることなく着脱操作性を向上させた光ファ
イバ多心コネクタプラグを提供することである。[0011] An object of the present invention is to provide an optical fiber multi-core connector plug with improved attaching/detaching operability without causing the above-mentioned problems (1) to (3).
【００１２】0012
【課題を解決するための手段】このため本発明は、多心
コネクタ中子と上記スプリングとの間に、上記多心コネ
クタ中子のガイドピン挿入穴を貫通して後方に突き出す
るガイドピンを把持するガイドピン把持部品を配設し、
上記多心コネクタ中子相互間が１対の上記ガイドピンに
より結合した状態で上記ガイドピン１本を引き抜くため
に必要な力をＦ１、上記スプリングによる軸方向の加圧
力をＦ２としたとき、上記ガイドピンの１本を上記ガイ
ドピン把持部品から引き抜くために必要な力Ｆを、Ｆ１
＜Ｆ＜Ｆ２となるように設定したものである。[Means for Solving the Problems] Therefore, the present invention provides a guide pin that penetrates the guide pin insertion hole of the multi-core connector core and projects rearward between the multi-core connector core and the spring. Arrange guide pin gripping parts to grip,
When the force required to pull out one guide pin in a state where the multi-core connector cores are connected by the pair of guide pins is F1, and the axial pressing force by the spring is F2, the above The force F required to pull out one of the guide pins from the guide pin gripping part is F1
It is set so that <F<F2.
【００１３】[0013]
【作用】本発明では、ガイドピンをプラグ組立後にプラ
グのガイドピン挿入穴に挿入して差込むことで把持でき
ると共に、プラグをアダプタから切り離すときにガイド
ピンかプラグから抜け出すことを防止でき、更に必要に
応じてガイドピンをプラグから取り外したり、そのプラ
グに再度把持させることができる。[Operation] According to the present invention, the guide pin can be held by inserting it into the guide pin insertion hole of the plug after the plug is assembled, and it is also possible to prevent the guide pin from slipping out from the plug when disconnecting the plug from the adapter. The guide pin can be removed from the plug and re-grasped by the plug as needed.
【００１４】[0014]
【実施例】以下、本発明の実施例について説明する。図
１はその一実施例の多心コネクタプラグＣの斜視図、図
２は分解斜視図である。図３〜図５に示したものと同一
のものには同一の符号を付した。２０は弾性材料より構
成されるガイドピン保持部品であり、従来のガイドピン
抜け止め部品４に代えて多心コネクタ中子３の後方端面
側に配設するものであって、多心コネクタ中子３に接す
る端面側に、ガイドピン９の外径よりも小さい内径を有
するガイドピン把持穴２１を形成し、つかそのガイドピ
ン把持穴２１の内周の一部から外側に向けたスリット２
２を形成した構造である。[Examples] Examples of the present invention will be described below. FIG. 1 is a perspective view of a multi-core connector plug C according to one embodiment, and FIG. 2 is an exploded perspective view. Components that are the same as those shown in FIGS. 3 to 5 are given the same reference numerals. Reference numeral 20 denotes a guide pin holding component made of an elastic material, which is disposed on the rear end surface side of the multi-core connector core 3 in place of the conventional guide pin retaining component 4. A guide pin gripping hole 21 having an inner diameter smaller than the outer diameter of the guide pin 9 is formed on the end surface side in contact with the guide pin 9, and a slit 2 is formed outward from a part of the inner circumference of the guide pin gripping hole 21.
This is the structure in which 2 was formed.
【００１５】これにより、ガイドピン９を多心コネクタ
中子３のガイドピン挿入穴８内に挿入し、更に貫通して
後方に突き出したとき、そのガイドピン９の突き出た先
端がガイドピン把持部品２０の弾性変形によりガイドピ
ン把持穴２１を押し広げる状態で挿入し、把持されるよ
うになる。As a result, when the guide pin 9 is inserted into the guide pin insertion hole 8 of the multi-core connector core 3 and is further penetrated and protruded rearward, the protruding tip of the guide pin 9 is attached to the guide pin gripping part. Due to the elastic deformation of the guide pin 20, the guide pin is inserted in a state in which the guide pin grip hole 21 is pushed apart, and the guide pin is gripped.
【００１６】スプリング５はガイドピン把持部品２０の
後方端面側に位置するので、これによりガイドピン把持
部品２０と多心コネクタ中子３が軸方向に押圧される。
前部ハンジング６と後部ハンジング７は、多心コネクタ
中子３、ガイドピン把持部品２０、及びスプリング５を
組み込んでプラグＣを形成する。Since the spring 5 is located on the rear end surface side of the guide pin gripping part 20, the guide pin gripping part 20 and the multi-core connector core 3 are pressed in the axial direction. The front hanging 6 and the rear hanging 7 incorporate the multi-core connector core 3, the guide pin gripping part 20, and the spring 5 to form the plug C.
【００１７】プラグ相互間の接続は、プラグＣのガイド
ピン挿入穴８にガイドピン９を挿入していきガイドピン
把持部品２０により把持させた後、従来と同様にそのプ
ラグＣをアダプタＢの一端から挿入して、アダプタＢの
弾性爪１０とプラグＣの溝１１とを結合させ、更にガイ
ドピン９のない接続相手のプラグ（図示せず）をアダプ
タＣの他端から挿入して、アダプタＢの弾性爪１０′と
そのプラグの溝を結合せることで行う。The connection between the plugs is made by inserting the guide pin 9 into the guide pin insertion hole 8 of the plug C and gripping it with the guide pin gripping part 20, and then inserting the plug C into one end of the adapter B in the same manner as before. Connect the elastic claw 10 of adapter B with the groove 11 of plug C, and then insert the mating plug (not shown) without guide pin 9 from the other end of adapter C. This is done by connecting the elastic claw 10' of the plug with the groove of the plug.
【００１８】逆に、プラグＣとアダプタＢの切り離しも
、従来と同様に、アダプタＢの弾性爪１０とプラグＣの
溝１１の結合を解除し、プラグＣをアダプタＢから引き
抜くことて行う。On the other hand, the plug C and the adapter B are separated from each other by releasing the connection between the elastic claw 10 of the adapter B and the groove 11 of the plug C, and pulling out the plug C from the adapter B, as in the conventional case.
【００１９】ここで、ガイドピン把持部品２０により１
対のガイドピン９を把持した状態でそのガイドピン９の
１本を引き抜くために必要な力、つまりガイドピン把持
力Ｆは、多心コネクタ中子相互間を１対のガイドピン９
により嵌合した状態でガイドピン１本を引き抜くために
必要な力Ｆ１よりも大きく、かつスプリング５により軸
方向に加圧する力Ｆ２よりも小さく、つまりＦ１＜Ｆ＜
Ｆ２に設定しておく。このガイドピン把持力Ｆの設定は
、ガイドピン把持部品２０のガイドピン把持穴２１の内
径を適切に設定することで実現できる。Here, the guide pin gripping part 20
The force required to pull out one of the guide pins 9 while gripping the pair of guide pins 9, that is, the guide pin gripping force F, is the force required to pull out one of the guide pins 9 while gripping the pair of guide pins 9.
It is larger than the force F1 required to pull out one guide pin in the fitted state, and smaller than the force F2 applied in the axial direction by the spring 5, that is, F1<F<
Set it to F2. This guide pin gripping force F can be set by appropriately setting the inner diameter of the guide pin gripping hole 21 of the guide pin gripping component 20.
【００２０】ガイドピン把持力Ｆを、スプリング５によ
る加圧力Ｆ２よりも小さくすることで、プラグＣの組立
後、ガイドピン９を多心コネクタ中子３のガイドピン挿
入穴８に挿入し、更に貫通させてガイドピン把持部品２
０のガイドピン把持品２１に挿入しようとするときに、
ガイドピン把持部品２０が後方に押し戻されることなく
、そのガイドピン９がガイドピン把持穴２１に円滑に挿
入する。By making the guide pin gripping force F smaller than the pressing force F2 by the spring 5, after assembling the plug C, the guide pin 9 can be inserted into the guide pin insertion hole 8 of the multi-core connector core 3, and Penetrate guide pin gripping part 2
When trying to insert the guide pin into the gripped item 21 of 0,
The guide pin 9 is smoothly inserted into the guide pin grip hole 21 without the guide pin grip part 20 being pushed back.
【００２１】また、ガイドピン把持力Ｆを、多心コネク
タ中子３からのガイドピンを引抜く力Ｆ１より大きく設
定することにより、プラグ相互間の接続状態を解除する
ときに、ガイドピン９は接続に先だって挿入したプラグ
側に把持された状態を保持でき、ガイドピン９がプラグ
から抜け出ることが防止できる。Furthermore, by setting the guide pin gripping force F to be larger than the force F1 for pulling out the guide pin from the multi-core connector core 3, the guide pin 9 is The state in which the guide pin 9 is held by the plug inserted prior to connection can be maintained, and the guide pin 9 can be prevented from coming off from the plug.
【００２２】以下に実験結果を示す。実験に使用した光
ファイバテープ１は１．３μｍ帯単一モードファイバを
収容した４心光ファイバテープである。多心コネクタ中
子３の作成は、１対のガイドピン挿入穴と４心の光ファ
イバ挿入穴を有する多心コネクタ中子部品を、プラスチ
ック成形により形成し、光ファイバを光ファイバ挿入穴
に接着固定した後、多心コネクタ中子の接続端面を研磨
して仕上げることで行った。多心コネクタ中子３の断面
寸法は、７×３ｍｍである。The experimental results are shown below. The optical fiber tape 1 used in the experiment is a four-core optical fiber tape containing a 1.3 μm band single mode fiber. To create the multi-fiber connector core 3, a multi-fiber connector core component having a pair of guide pin insertion holes and four optical fiber insertion holes is formed by plastic molding, and the optical fibers are glued to the optical fiber insertion holes. After fixing, the connection end surface of the multi-core connector core was polished and finished. The cross-sectional dimensions of the multi-core connector core 3 are 7×3 mm.
【００２３】複数個の多心コネクタ中子３を作製し、こ
れらの多心コネクタ中子３相互間を外径０．７ｍｍの１
対のガイドピンにより嵌合した状態で、ガイドピン１本
を引き抜くために必要な力Ｆ１を測定したところ、Ｆ１
は最大約０．２Ｋｇｆであった。[0023] A plurality of multi-core connector cores 3 are manufactured, and a 1-layer wire with an outer diameter of 0.7 mm is connected between these multi-core connector cores 3.
When we measured the force F1 required to pull out one guide pin when the pair of guide pins were fitted, we found that F1
was approximately 0.2 Kgf at maximum.
【００２４】次に、スプリング５は、コイルスプリング
を使用し、プラグ内に組み込んだときの軸方向加圧力Ｆ
２は約１．０Ｋｇとした。ガイドピン把持部品２０は、
プラスチック成形により形成し、ガイドピン挿入穴２１
の内径は、ガイドピン把持力Ｆが、Ｆ１＜Ｆ＜Ｆ２を満
たす値として約０．５Ｋｇｆとなるように設定した。そ
の内径は、ガイドピン９の外径（＝０．７ｍｍ）より５
％程度小さい値で充分であった。Next, the spring 5 uses a coil spring and has an axial pressing force F when installed in the plug.
2 was approximately 1.0 kg. The guide pin gripping part 20 is
Formed by plastic molding, guide pin insertion hole 21
The inner diameter of the guide pin was set so that the guide pin gripping force F was approximately 0.5 Kgf, which was a value satisfying F1<F<F2. Its inner diameter is 5 mm from the outer diameter (=0.7 mm) of the guide pin 9.
A value as small as % was sufficient.
【００２５】多心コネクタプラグＣの作製は、多心コネ
クタ中子３、ガイドピン把持部品２０、及びスプリング
５を、アダプタＢの弾性爪１０に係合する溝１１を備え
た前部ハウジング６と後部ハウジング７に組み込むこと
で行った。The multi-core connector plug C is manufactured by combining the multi-core connector core 3, the guide pin gripping part 20, and the spring 5 with a front housing 6 having a groove 11 that engages the elastic claw 10 of the adapter B. This was done by incorporating it into the rear housing 7.
【００２６】複数個の多心コネクタプラグＣを作製し、
１対のガイドピン９を接続すべく一方のプラグに挿入し
て把持させた後、ガイドピンなしの他方のプラグにアダ
プタＢを介して接続した。[0026] A plurality of multi-core connector plugs C are manufactured,
A pair of guide pins 9 were inserted into one plug to be connected and held, and then connected to the other plug without a guide pin via adapter B.
【００２７】５００回の繰返し着脱実験を行った結果、
ガイドピンのプラグからの抜け出しは発生せず、ガイド
ピンはあらかじめ挿入したプラグ側に把持された状態が
保持されること、及び接続損失も従来のガイドピンを把
持しない場合と同等であることを確認した。As a result of 500 repeated attachment/detachment experiments,
We confirmed that the guide pin did not come out of the plug, that the guide pin remained gripped by the plug that was inserted in advance, and that the connection loss was the same as when the guide pin was not gripped. did.
【００２８】更に、５００回着脱後にガイドピンをプラ
グから引き抜くときの力を測定した結果、着脱前の初期
の引抜き力とほぼ同等であり、ガイドピン把持力が繰返
し着脱に対して安定していることを確認した。Furthermore, as a result of measuring the force when pulling out the guide pin from the plug after 500 attachments and detachments, it was found to be almost the same as the initial pulling force before attachment and detachment, indicating that the guide pin gripping force is stable against repeated attachment and detachment. It was confirmed.
【００２９】なお、上記した実施例において、プラグＣ
を構成するためのハウジング６、７として、アダプタＢ
の弾性爪１０と結合する溝１１を設けて、プッシュオン
締結方式のハウジングを用いたが、この他に、ねじ締結
方式やバイヨネット締結方式のハンジングを用いても、
実施例と同等の効果が得られることは勿論である。[0029] In the above embodiment, the plug C
Adapter B is used as the housing 6, 7 for configuring the
Although a push-on fastening type housing was used by providing a groove 11 that connects with the elastic pawl 10 of
Of course, the same effects as those of the embodiment can be obtained.
【００３０】[0030]
【発明の効果】以上のように本発明は、プラグ内に組み
込む簡易な構造のガイドピン把持部品によりガイドピン
を把持し、その把持力をプラグの通常の着脱操作におい
てはガイドピンが抜けないが、必要に応じプラグから取
り外したり、再度把持させることができるようにしたも
のである。As described above, the present invention grips the guide pin with a guide pin gripping part of a simple structure that is incorporated into the plug, and uses the gripping force to prevent the guide pin from coming out during normal plug attachment/detachment operations. , so that it can be removed from the plug and gripped again if necessary.
【００３１】よって、プラグ着脱操作に伴うガイドピン
の落下を防止でき、着脱操作性が大幅に向上すると共に
、プラグ相互間の接続に方向性が生じることを回避でき
、コネクタ適用の汎用性を確保できる利点がある。[0031] Therefore, it is possible to prevent the guide pin from falling due to the operation of attaching and detaching the plug, greatly improving the operability of attaching and detaching the plug, and also to avoid the occurrence of directionality in the connection between the plugs, ensuring versatility in connector application. There are advantages that can be achieved.
【００３２】この利点は、光ファイバケーブルの高密度
化及び多心化が進展している光加入者系及び光構内系の
光ファイバ多心結合の分野において極めて有用である。This advantage is extremely useful in the field of optical fiber multi-core coupling for optical subscriber systems and optical local systems, where optical fiber cables are becoming increasingly dense and multi-core.
【図１】 本発明の一実施例の多心コネクタプラグの
斜視図である。FIG. 1 is a perspective view of a multi-core connector plug according to an embodiment of the present invention.
【図２】 同実施例の多心コネクタプラグの分解斜視
図である。FIG. 2 is an exploded perspective view of the multi-core connector plug of the same embodiment.
【図３】 従来の多心コネクタプラグの斜視図である
。FIG. 3 is a perspective view of a conventional multi-core connector plug.
【図４】 従来の多心コネクタプラグの分解斜視図で
ある。FIG. 4 is an exploded perspective view of a conventional multi-core connector plug.
【図５】 従来の多心コネクタプラグの２個をアダプ
タで相互結合させる場合の分解斜視図である。FIG. 5 is an exploded perspective view when two conventional multi-core connector plugs are interconnected using an adapter.
Ａ、Ａ′：従来の多心コネクタプラグ、Ｂ：アダプタ、
Ｃ：本実施例の多心コネクタプラグ、１：光ファイバテ
ープ、２：光ファイバ、３：多心コネクタ中子、４：ガ
イドピン抜け止め部品、５：スプリング、６：前部ハウ
ジング、７：後部ハウジング、８：ガイドピン挿入穴、
９：ガイドピン、１０：弾性爪、１１：溝、２０：ガイ
ドピン把持部品、２１：ガイドピン把持穴、２２：スリ
ット。A, A': Conventional multi-core connector plug, B: Adapter,
C: Multi-core connector plug of this embodiment, 1: Optical fiber tape, 2: Optical fiber, 3: Multi-core connector core, 4: Guide pin retainer, 5: Spring, 6: Front housing, 7: Rear housing, 8: Guide pin insertion hole,
9: Guide pin, 10: Elastic claw, 11: Groove, 20: Guide pin gripping part, 21: Guide pin gripping hole, 22: Slit.
Claims (2)
ン挿入穴の間に配列固定した多心コネクタ中子、該多心
コネクタ中子の後方端面側に配設しかつ上記多心コネク
タ中子を軸方向に加圧するスプリング、及び上記多心コ
ネクタ中子と上記スプリングを組み込むハウジングを具
備する光ファイバ多心コネクタプラグにおいて、上記多
心コネクタ中子と上記スプリングとの間に、上記多心コ
ネクタ中子のガイドピン挿入穴を貫通して後方に突き出
するガイドピンを把持するガイドピン把持部品を配設し
、上記多心コネクタ中子相互間が１対の上記ガイドピン
により結合した状態で上記ガイドピン１本を引き抜くた
めに必要な力をＦ１、上記スプリングによる軸方向の加
圧力をＦ２としたとき、上記ガイドピンの１本を上記ガ
イドピン把持部品から引き抜くために必要な力Ｆを、Ｆ
１＜Ｆ＜Ｆ２となるように設定したことを特徴とする光
ファイバ多心コネクタプラグ。1. A multi-fiber connector core in which a plurality of optical fibers are arranged and fixed between a pair of guide pin insertion holes, a multi-fiber connector core arranged on the rear end surface side of the multi-fiber connector core, In the optical fiber multi-core connector plug, the optical fiber multi-core connector plug is provided with a spring that presses the connector in the axial direction, and a housing that incorporates the multi-core connector core and the spring. A guide pin gripping part is provided to grip a guide pin protruding rearward through the guide pin insertion hole of the connector core, and the multi-core connector cores are connected to each other by the pair of guide pins. When the force required to pull out one guide pin is F1, and the axial pressing force by the spring is F2, the force F required to pull out one of the guide pins from the guide pin gripping part is F1. ,F
An optical fiber multi-core connector plug characterized in that it is set so that 1<F<F2.
構成し、上記ガイドピン把持部品の上記多心コネクタ中
子に接する端面側に上記ガイドピンの外径より小さい内
径を有するガイドピン把持穴を形成し、かつこのガイド
ピン把持穴の内周の一部から外側に向けてスリットを形
成したことを特徴とする請求項１に記載の光ファイバ多
心コネクタプラグ。2. The guide pin gripping part is made of an elastic material, and a guide pin gripping hole having an inner diameter smaller than an outer diameter of the guide pin is provided on an end surface side of the guide pin gripping part that contacts the multi-core connector core. 2. The optical fiber multi-core connector plug according to claim 1, wherein a slit is formed outward from a part of the inner periphery of the guide pin holding hole.
Priority Applications (11)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14968191A JP2750963B2 (en) | 1991-05-24 | 1991-05-24 | Optical fiber multi-core connector plug |
| AU16113/92A AU635172B2 (en) | 1991-05-13 | 1992-05-07 | Multifiber optical connector plug with low reflection and low insertion loss |
| US07/880,061 US5214730A (en) | 1991-05-13 | 1992-05-07 | Multifiber optical connector plug with low reflection and low insertion loss |
| DE69232421T DE69232421T2 (en) | 1991-05-13 | 1992-05-08 | Connector for multi-core optical connection with low reflection and low loss |
| ES96100286T ES2172607T3 (en) | 1991-05-13 | 1992-05-08 | PLUG FOR OPTICAL MULTIPLE FIBER CONNECTOR WITH LOW LOSS OF REFLECTION AND INSERTION. |
| ES92107776T ES2100973T3 (en) | 1991-05-13 | 1992-05-08 | PLUG FOR OPTICAL CONNECTOR OF MULTIPLE FIBERS WITH LOW LOSS OF REFLECTION AND INSERTION. |
| EP92107776A EP0514722B1 (en) | 1991-05-13 | 1992-05-08 | Multifiber optical connector plug with low reflection and low insertion loss |
| EP96100286A EP0712015B1 (en) | 1991-05-13 | 1992-05-08 | Multifiber optical connector plug with low reflection and low insertion loss |
| DE69217716T DE69217716T2 (en) | 1991-05-13 | 1992-05-08 | Connector for multi-core optical connection with low reflection and low loss |
| CA002068453A CA2068453C (en) | 1991-05-13 | 1992-05-12 | Multifiber optical connector plug with low reflection and low insertion loss |
| KR1019920008065A KR960013800B1 (en) | 1991-05-13 | 1992-05-13 | Multifiber optical connector plug with low reflection and low insertion loss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14968191A JP2750963B2 (en) | 1991-05-24 | 1991-05-24 | Optical fiber multi-core connector plug |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04347806A true JPH04347806A (en) | 1992-12-03 |
| JP2750963B2 JP2750963B2 (en) | 1998-05-18 |
Family
ID=15480499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14968191A Expired - Lifetime JP2750963B2 (en) | 1991-05-13 | 1991-05-24 | Optical fiber multi-core connector plug |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2750963B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999031539A1 (en) * | 1997-12-17 | 1999-06-24 | Sumitomo Electric Industries, Ltd. | Guide pin for optical fiber connectors and optical fiber connector plug |
| EP2053433A1 (en) | 2007-10-26 | 2009-04-29 | Sumitomo Electric Industries, Ltd. | Optical connector |
| JP2009115946A (en) * | 2007-11-05 | 2009-05-28 | Furukawa Electric Co Ltd:The | Optical connector |
| JP2015022213A (en) * | 2013-07-22 | 2015-02-02 | Ｓｅｉオプティフロンティア株式会社 | Optical connector and method for assembling optical connector |
-
1991
- 1991-05-24 JP JP14968191A patent/JP2750963B2/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999031539A1 (en) * | 1997-12-17 | 1999-06-24 | Sumitomo Electric Industries, Ltd. | Guide pin for optical fiber connectors and optical fiber connector plug |
| US6497516B1 (en) | 1997-12-17 | 2002-12-24 | Sumitomo Electric Industries, Ltd. | Guide pin for optical fiber connectors and optical fiber connector plug |
| EP2053433A1 (en) | 2007-10-26 | 2009-04-29 | Sumitomo Electric Industries, Ltd. | Optical connector |
| US7988368B2 (en) | 2007-10-26 | 2011-08-02 | Sumitomo Electric Industries, Ltd. | Optical connector |
| JP2009115946A (en) * | 2007-11-05 | 2009-05-28 | Furukawa Electric Co Ltd:The | Optical connector |
| JP2015022213A (en) * | 2013-07-22 | 2015-02-02 | Ｓｅｉオプティフロンティア株式会社 | Optical connector and method for assembling optical connector |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2750963B2 (en) | 1998-05-18 |
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