JP6354102B2 - Optical connector - Google Patents

Optical connector Download PDF

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JP6354102B2
JP6354102B2 JP2013100850A JP2013100850A JP6354102B2 JP 6354102 B2 JP6354102 B2 JP 6354102B2 JP 2013100850 A JP2013100850 A JP 2013100850A JP 2013100850 A JP2013100850 A JP 2013100850A JP 6354102 B2 JP6354102 B2 JP 6354102B2
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light
light guide
guide member
receiving side
light receiving
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JP2014222256A (en
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直嗣 芹澤
直嗣 芹澤
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Yazaki Corp
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Yazaki Corp
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Priority to PCT/JP2014/061851 priority patent/WO2014185260A1/en
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    • 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
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4292—Coupling light guides with opto-electronic elements the light guide being disconnectable from the opto-electronic element, e.g. mutually self aligning arrangements
    • 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
    • G02B6/42—Coupling light guides with opto-electronic elements
    • 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
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4246—Bidirectionally operating package structures

Description

本発明は、光通信分野で用いられる光コネクタに関し、詳しくはＦＯＴ（Fiber Optic Transceiver ）と相手側との間に導光部材が配置される光コネクタに関する。   The present invention relates to an optical connector used in the field of optical communication, and more particularly to an optical connector in which a light guide member is disposed between a FOT (Fiber Optic Transceiver) and a counterpart.

従来より、ＯＡ、ＦＡ、車載機器等の光通信には光コネクタが用いられる。光コネクタは、プラグ側の光コネクタと、レセプタクル側の光コネクタとからなる（例えば、下記特許文献１参照）。プラグ側の光コネクタは、ハウジング（光コネクタハウジング）を有し、このハウジングには、光ファイバ端末に設けられたフェルールが収容保持される。   Conventionally, an optical connector is used for optical communication such as OA, FA, and on-vehicle equipment. The optical connector includes an optical connector on the plug side and an optical connector on the receptacle side (see, for example, Patent Document 1 below). The optical connector on the plug side has a housing (optical connector housing), and a ferrule provided on the optical fiber terminal is accommodated and held in this housing.

一方、レセプタクル側の光コネクタは、機器に内蔵された回路基板に対し実装されるものであって、プラグ側の光コネクタが嵌合するハウジング（光コネクタハウジング）と、発光側ＦＯＴ（Fiber Optic Transceiver ）及び受光側ＦＯＴと、これら発光側ＦＯＴ及び受光側ＦＯＴを覆うシールドケースと、二つのスリーブ及び二つの導光部材とを備えて構成される。   On the other hand, the optical connector on the receptacle side is mounted on a circuit board built in the device. The optical connector housing on which the plug side is fitted (optical connector housing) and the light emitting side FOT (Fiber Optic Transceiver) ) And the light receiving side FOT, a shield case covering the light emitting side FOT and the light receiving side FOT, two sleeves, and two light guide members.

レセプタクル側の光コネクタのハウジングは、回路基板上に載置固定される箱形状の樹脂部品であって、この前側にコネクタ嵌合部が形成され、後側にはＦＯＴ収容部が形成される。ＦＯＴ収容部は、発光側ＦＯＴ及び受光側ＦＯＴを並んだ状態に収容する部分として形成される。このようなＦＯＴ収容部には、真っ直ぐな貫通孔が所定の間隔をあけて二つ形成される。二つの貫通孔は、発光素子及び受光素子の位置に合わせて配置され、コネクタ嵌合部に連通するように形成される。二つの貫通孔には、スリーブがそれぞれ挿入される。   The optical connector housing on the receptacle side is a box-shaped resin component that is placed and fixed on a circuit board. A connector fitting portion is formed on the front side, and a FOT accommodating portion is formed on the rear side. The FOT accommodating portion is formed as a portion for accommodating the light emitting side FOT and the light receiving side FOT side by side. In such an FOT accommodating portion, two straight through holes are formed at a predetermined interval. The two through holes are arranged in accordance with the positions of the light emitting element and the light receiving element, and are formed so as to communicate with the connector fitting portion. Sleeves are respectively inserted into the two through holes.

二つのスリーブには、ＦＯＴ収容部側から導光部材がそれぞれ挿入される。また、二つのスリーブには、コネクタ嵌合部側からプラグ側の光コネクタのフェルールがそれぞれ挿入される。二つの導光部材は、発光素子及び受光素子と、フェルール端面に露出する光ファイバとの間に介在するように配置される。二つの導光部材は、光透過性を有し、下記特許文献１ではレンズとして機能する部分を有する。二つの導光部材は、小さな部品であり、共に同じ形状に形成される。   The light guide members are inserted into the two sleeves from the FOT accommodating portion side. Also, the ferrules of the optical connector on the plug side are inserted into the two sleeves from the connector fitting portion side. The two light guide members are disposed so as to be interposed between the light emitting element and the light receiving element and the optical fiber exposed at the ferrule end face. The two light guide members are light transmissive, and have a portion that functions as a lens in Patent Document 1 below. The two light guide members are small parts and are formed in the same shape.

特開２００６−２１５２７３号公報JP 2006-215273 A

上記従来のレセプタクル側の光コネクタにあっては、導光部材が上記の如く小さな部品であることから、次のような問題点を有する。   The conventional optical connector on the receptacle side has the following problems because the light guide member is a small component as described above.

すなわち、組み付けに係る作業性が悪くなってしまうという問題点を有する。また、導光部材には挿入方向に制約があり、十分に気を付けていないと誤挿入が生じてしまうという問題点や、そのために作業性が悪くなってしまうという問題点を有する。   That is, there is a problem that workability related to assembly is deteriorated. In addition, the light guide member has a problem in that the insertion direction is limited, and erroneous insertion may occur unless sufficient care is taken. For this reason, there is a problem that workability deteriorates.

この他、小さな部品であることから、レンズとして機能する部分を発光側ＦＯＴ及び受光側ＦＯＴに対し個々に最適化することができないという問題点を有する。これは、仮に最適化をしたとしても、両者のレンズを外観上区別することができないからである。また、そのために誤組み付けの原因にもなってしまうからである。従って、レンズとして機能する部分は、形状の最適化を図ることができず、共通形状（同じ形状）に形成される。   In addition, since it is a small component, there is a problem that a portion functioning as a lens cannot be individually optimized for the light emitting side FOT and the light receiving side FOT. This is because the lenses cannot be distinguished from each other even if they are optimized. Moreover, it is also a cause of misassembly. Accordingly, the portion functioning as a lens cannot be optimized in shape, and is formed in a common shape (the same shape).

本発明は、上記した事情に鑑みてなされたもので、作業性の向上を図ることが可能な、また、形状の最適化を図ることも可能な光コネクタを提供することを課題とする。   The present invention has been made in view of the above circumstances, and an object of the present invention is to provide an optical connector capable of improving workability and capable of optimizing the shape.

上記課題を解決するためになされた請求項１に記載の本発明は、発光素子を有する発光側ＦＯＴ（Fiber Optic Transceiver ）と、
受光素子を有する受光側ＦＯＴと、
前記発光側ＦＯＴ及び前記受光側ＦＯＴを並んだ状態に収容するＦＯＴ収容部を有するコネクタハウジングと、
前記発光側ＦＯＴ及び前記受光側ＦＯＴの位置に合わせて前記コネクタハウジングに組み付けられる二つの導光部材と、
を含む光コネクタにおいて、
前記コネクタハウジングは、前記二つの導光部材を組み付け可能に形成される組み付け部分を備え、
該組み付け部分は、前記発光素子及び前記受光素子の位置に合わせて配置形成される二つの貫通孔を備え、
前記二つの導光部材は、前記発光側ＦＯＴ用のレンズが形成される発光側導光部材と、前記受光側ＦＯＴ用のレンズが形成される受光側導光部材とからなり、
前記発光側導光部材は、発光側の導光部と、発光側のフランジ部とを有してなり、前記発光側の導光部は、前記発光側のフランジ部の発光側の第一面から突出し前記二つの貫通孔のうち一方の貫通孔に挿通可能に形成される発光側の第一筒部と、前記発光側のフランジ部の発光側の第二面から突出する発光側の第二筒部と、前記発光側の第一筒部及び前記発光側の第二筒部の内側を充填するように形成される発光側のレンズとを有し、
前記発光側の第一筒部と前記発光側の第二筒部は、前記発光側のフランジ部を境にして非対称形状に形成され、前記発光側の第一筒部の外面には、側面視三角形状の発光側の長リブが一体に形成され、前記発光側の第二筒部の外面には、側面視三角形状の発光側の短リブが一体に形成されてなり、
前記受光側導光部材は、受光側の導光部と、受光側のフランジ部とを有してなり、前記受光側の導光部は、前記受光側のフランジ部の受光側の第一面から突出し前記二つの貫通孔のうち他方の貫通孔に挿通可能に形成される受光側の第一筒部と、前記受光側のフランジ部の受光側の第二面から突出する受光側の第二筒部と、前記受光側の第一筒部及び前記受光側の第二筒部の内側を充填するように形成される受光側のレンズとを有し、
前記受光側の第一筒部と前記受光側の第二筒部は、前記受光側のフランジ部を境にして非対称形状に形成され、前記受光側の第一筒部の外面には、側面視三角形状の受光側の長リブが一体に形成され、前記受光側の第二筒部の外面には、側面視三角形状の受光側の短リブが一体に形成されてなり、
前記発光側導光部材と前記受光側導光部材とからなる前記二つの導光部材は、前記発光側のフランジ部と前記受光側のフランジ部との間に空間を設け、弾力性を有するブリッジ形状の前記連結部により繋がれて１つの部品として一体化されてなり、
前記ブリッジ形状の前記連結部は、前記発光側導光部材と前記受光側導光部材との並び方向及び収容方向にそれぞれ直交する方向の一端側に位置するように配置され、さらに、前記空間は、前記連結部と前記発光側導光部材と前記受光側導光部材との配置により、前記一端の反対側となる他端側が開口するスリット形状に形成され、
さらに、前記ブリッジ形状の前記連結部は、
前記発光側導光部材と前記受光側導光部材それぞれの中心軸が略平行に配置された状態で前記発光側導光部材と前記受光側導光部材とがこの並び方向において互いに近づいて前記発光側導光部材と前記受光側導光部材とのピッチが前記一方の貫通孔と前記他方の貫通孔とのピッチと合致するように撓むことができるとともに、前記発光側導光部材と前記受光側導光部材それぞれの中心軸が略平行に配置された状態で前記発光側導光部材と前記受光側導光部材とがこの並び方向において互いに離れて前記発光側導光部材と前記受光側導光部材とのピッチが前記一方の貫通孔と前記他方の貫通孔とのピッチと合致するように撓むことができるように形成されることを特徴とする。
The present invention according to claim 1, which has been made to solve the above problems, includes a light emitting side FOT (Fiber Optic Transceiver) having a light emitting element,
A light receiving side FOT having a light receiving element;
A connector housing having a FOT accommodating portion for accommodating the light emitting side FOT and the light receiving side FOT side by side;
Two light guide members assembled to the connector housing in accordance with the positions of the light emitting side FOT and the light receiving side FOT;
In an optical connector including
The connector housing includes an assembly portion formed so that the two light guide members can be assembled;
The assembly portion includes two through holes that are arranged and formed in accordance with the positions of the light emitting element and the light receiving element,
The two light guide members include a light emission side light guide member on which the light emission side FOT lens is formed, and a light reception side light guide member on which the light reception side FOT lens is formed.
The light emission side light guide member includes a light emission side light guide portion and a light emission side flange portion, and the light emission side light guide portion is a first surface on the light emission side of the light emission side flange portion. the light-emitting-side projecting the first cylindrical portion of the one can be inserted in the formed Ru emission side into the through hole of the projecting the two through holes, from the second surface of the light-emitting side of the flange portion of the light emitting side from A light emitting side lens formed so as to fill the inside of the light emitting side first cylindrical portion and the light emitting side second cylindrical portion;
The first tube portion on the light emitting side and the second tube portion on the light emitting side are formed in an asymmetric shape with a flange portion on the light emitting side as a boundary, and the outer surface of the first tube portion on the light emitting side is formed in a side view. Triangular light emitting side long ribs are integrally formed, and on the outer surface of the light emitting side second cylinder part, triangular side light emitting side short ribs are integrally formed,
The light receiving side light guide member includes a light receiving side light guide portion and a light receiving side flange portion, and the light receiving side light guide portion is a first surface on the light receiving side of the light receiving side flange portion. the light-receiving-side projecting from the first cylindrical portion of the other through hole to insert capable formed Ru light receiving side and a second side of the light receiving side of the flange portion of the light receiving side of the protruding said two through holes from A light receiving side lens formed so as to fill the inside of the light receiving side first cylindrical part and the light receiving side second cylindrical part;
The light-receiving side first tube portion and the light-receiving side second tube portion are formed in an asymmetric shape with a flange portion on the light-receiving side as a boundary, and the outer surface of the light-receiving side first tube portion is side-viewed. A long rib on the light receiving side having a triangular shape is integrally formed, and a short rib on the light receiving side having a triangular shape in side view is integrally formed on the outer surface of the second cylindrical portion on the light receiving side,
The two light guide members comprising the light emission side light guide member and the light reception side light guide member provide a space between the light emission side flange portion and the light reception side flange portion, and have elasticity. Connected by the connecting part of the shape and integrated as one part,
The bridge-shaped connecting portion is disposed so as to be positioned on one end side in a direction orthogonal to the alignment direction and the accommodation direction of the light emitting side light guide member and the light receiving side light guide member, and the space is In addition, the arrangement of the connecting portion, the light emitting side light guide member, and the light receiving side light guide member is formed into a slit shape in which the other end side opposite to the one end is opened ,
Furthermore, the connecting portion in the bridge shape is
The light emitting side light guide member and the light receiving side light guide member come close to each other in this arrangement direction with the central axes of the light emitting side light guide member and the light receiving side light guide member arranged substantially in parallel, and the light emission The light guide member and the light receiving member can be bent so that the pitch between the light guide member and the light receiving member matches the pitch between the one through hole and the other through hole. The light-emitting side light guide member and the light-receiving side light guide member are separated from each other in the alignment direction in a state where the central axes of the side light-guide members are arranged substantially parallel to each other. is formed so as to be able to flex so that the pitch between the light member matches the pitch of the other through hole and the one through hole and wherein the Rukoto.

このような特徴を有する本発明によれば、導光部材に関し、二つの小さな部品が連結部により繋がれて一体化することから、大きな一つの部品として用いることが可能なる。また、本発明によれば、一体化して一つの部品になることから、一方に発光側ＦＯＴ用のレンズ、他方に受光側ＦＯＴ用のレンズを形成することが可能になる。   According to the present invention having such a feature, regarding the light guide member, two small components are connected and integrated by the connecting portion, and thus can be used as one large component. Further, according to the present invention, since they are integrated into one component, it is possible to form a light emitting side FOT lens on one side and a light receiving side FOT lens on the other side.

また、このような特徴を有する本発明によれば、連結部が弾力性を有するブリッジ形状に形成され、発光側導光部材と受光側導光部材との間の空間がスリット形状に形成されることから、発光側導光部材と受光側導光部材とのピッチがコネクタハウジングの組み付け部分のピッチに対し厳密に合致してなくとも、撓みにより吸収することが可能になる。
 Further , according to the present invention having such characteristics, the connecting portion is formed in a bridge shape having elasticity, and the space between the light emitting side light guide member and the light receiving side light guide member is formed in a slit shape. For this reason, even if the pitch between the light-emitting side light guide member and the light-receiving side light guide member does not exactly match the pitch of the assembly portion of the connector housing, it can be absorbed by bending.

請求項２に記載の本発明は、請求項１に記載の光コネクタにおいて、前記ブリッジ形状の前記連結部は、持ち手部分としても形成されることを特徴とする。 The present invention of claim 2 is the optical connector according to claim 1, wherein the connecting part of the bridge-shaped, characterized in that it is also formed as a handle portion.

このような特徴を有する本発明によれば、連結部を持ちながらコネクタハウジングへの組み付けが可能になる。   According to the present invention having such a feature, it is possible to assemble the connector housing with the connecting portion.

請求項１に記載された本発明によれば、導光部材に関し、二つの小さな部品から大きな一つの部品にすることから、作業性の向上を図ることができるという効果を奏する。また、上記の如く一つの部品にすることから、誤挿入や誤組み付けを防止して作業性の向上を図ることができるという効果を奏する。さらに、本発明によれば、導光部材に関し、形状の最適化を図ることができるという効果も奏する。   According to the first aspect of the present invention, since the light guide member is changed from two small parts to one large part, the workability can be improved. In addition, since one component is used as described above, there is an effect that workability can be improved by preventing erroneous insertion and assembly. Furthermore, according to the present invention, there is an effect that the shape can be optimized with respect to the light guide member.

請求項２に記載された本発明によれば、更に作業性の向上を図ることができるという効果を奏する。 According to the second aspect of the present invention, it is possible to further improve workability.

本発明の光コネクタの構成図である。It is a block diagram of the optical connector of this invention. 送受一体型レンズの斜視図である。It is a perspective view of a transmission / reception integrated lens. 図２のＡ視方向から見た送受一体型レンズの図である。FIG. 3 is a view of a transmission / reception integrated lens viewed from the A viewing direction of FIG. 送受一体型レンズの組み付けに係る説明図である。It is explanatory drawing which concerns on the assembly | attachment of a transmission / reception integrated lens.

回路基板に対し実装される光コネクタは、発光側ＦＯＴ（Fiber Optic Transceiver ）と、受光側ＦＯＴと、コネクタハウジングと、シールドケースと、送受一体型レンズとを含んで構成される。送受一体型レンズは、発光側ＦＯＴ用のレンズが形成される発光側導光部材と、受光側ＦＯＴ用のレンズが形成される受光側導光部材とを連結部により繋いで一体形成される。連結部は、発光側導光部材と受光側導光部材とのピッチを狭めたりすることが可能な弾力性を有するブリッジ形状に形成される。発光側導光部材と受光側導光部材との間には、これらを近づけるような撓みを許容する空間が形成される。   An optical connector mounted on a circuit board includes a light emitting side FOT (Fiber Optic Transceiver), a light receiving side FOT, a connector housing, a shield case, and a transmission / reception integrated lens. The transmission / reception integrated lens is integrally formed by connecting a light emitting side light guide member in which a light emitting side FOT lens is formed and a light receiving side light guide member in which a light receiving side FOT lens is formed by a connecting portion. The connecting portion is formed in a bridge shape having elasticity that can narrow the pitch between the light emitting side light guide member and the light receiving side light guide member. Between the light-emitting side light guide member and the light-receiving side light guide member, a space is formed that allows bending to approach them.

以下、図面を参照しながら実施例１を説明する。図１は本発明の光コネクタの構成図である。また、図２は送受一体型レンズの斜視図、図３は図２のＡ視方向から見た送受一体型レンズの図、図４は送受一体型レンズの組み付けに係る説明図である。   Embodiment 1 will be described below with reference to the drawings. FIG. 1 is a configuration diagram of an optical connector of the present invention. 2 is a perspective view of the transmission / reception integrated lens, FIG. 3 is a view of the transmission / reception integrated lens viewed from the direction A in FIG. 2, and FIG. 4 is an explanatory diagram relating to the assembly of the transmission / reception integrated lens.

図１において、光コネクタは、プラグ側の光コネクタと、レセプタクル側の光コネクタ１とからなり、このレセプタクル側の光コネクタ１（以下、光コネクタ１と略記する）は、回路基板２に対し実装される。光コネクタ１は、発光側ＦＯＴ（Fiber Optic Transceiver ）３と、受光側ＦＯＴ４と、コネクタハウジング５と、シールドケース６と、本発明の特徴部分となる送受一体型レンズ７とを含んで構成される。尚、図１においては、発光側ＦＯＴ３及び受光側ＦＯＴ４が紙面垂直方向に並んで配置されるものとする。   In FIG. 1, the optical connector includes a plug-side optical connector and a receptacle-side optical connector 1, and the receptacle-side optical connector 1 (hereinafter abbreviated as “optical connector 1”) is mounted on a circuit board 2. Is done. The optical connector 1 includes a light emitting side FOT (Fiber Optic Transceiver) 3, a light receiving side FOT 4, a connector housing 5, a shield case 6, and a transmission / reception integrated lens 7 which is a characteristic part of the present invention. . In FIG. 1, it is assumed that the light emitting side FOT3 and the light receiving side FOT4 are arranged side by side in the direction perpendicular to the paper surface.

発光側ＦＯＴ３及び受光側ＦＯＴ４は、ＦＯＴ本体８と、このＦＯＴ本体８からのびる複数本のリードフレーム９とを備えて構成される。発光側ＦＯＴ３のＦＯＴ本体８には、図示しない発光素子（例えばＬＥＤ）が内蔵される。一方、受光側ＦＯＴ４のＦＯＴ本体８には、図示しない受光素子（例えばＰＤ）が内蔵される。リードフレーム９は、回路基板２のスルーホール１０に差し込まれ、この後に半田付けされると、所定の回路との電気的な接続が完了する。発光側ＦＯＴ３及び受光側ＦＯＴ４は、本実施例において公知のものが用いられるものとする。   The light emitting side FOT 3 and the light receiving side FOT 4 are configured to include a FOT main body 8 and a plurality of lead frames 9 extending from the FOT main body 8. A light emitting element (for example, LED) (not shown) is built in the FOT main body 8 of the light emitting side FOT3. On the other hand, a light receiving element (for example, PD) (not shown) is built in the FOT main body 8 of the light receiving side FOT4. When the lead frame 9 is inserted into the through hole 10 of the circuit board 2 and soldered thereafter, the electrical connection with a predetermined circuit is completed. As the light emitting side FOT3 and the light receiving side FOT4, known ones are used in this embodiment.

コネクタハウジング５は、箱形状となる樹脂製の一部品であって、この前側にコネクタ嵌合部１１が形成され、後側にはＦＯＴ収容部１２が形成される。ＦＯＴ収容部１２は、発光側ＦＯＴ３及び受光側ＦＯＴ４を並んだ状態に収容する部分として形成される。このようなＦＯＴ収容部１２には、貫通孔１３（図４参照）が所定の間隔をあけて二つ形成される。二つの貫通孔１３は、図示しない発光素子及び受光素子の位置に合わせて配置形成される。また、二つの貫通孔１３は、コネクタ嵌合部１１に連通するように形成される。   The connector housing 5 is a resin part having a box shape. The connector fitting portion 11 is formed on the front side, and the FOT accommodating portion 12 is formed on the rear side. The FOT accommodating portion 12 is formed as a portion that accommodates the light emitting side FOT3 and the light receiving side FOT4 side by side. In such a FOT accommodating portion 12, two through holes 13 (see FIG. 4) are formed at a predetermined interval. The two through holes 13 are arranged and formed in accordance with the positions of a light emitting element and a light receiving element (not shown). The two through holes 13 are formed so as to communicate with the connector fitting portion 11.

コネクタハウジング５は、この下面から突出する固定ピン１４を用いて回路基板２に固定される。具体的には、回路基板２のハウジング固定穴１５に固定ピン１４が差し込まれて固定される。   The connector housing 5 is fixed to the circuit board 2 using fixing pins 14 protruding from the lower surface. Specifically, the fixing pin 14 is inserted into the housing fixing hole 15 of the circuit board 2 and fixed.

シールドケース６は、箱形状となる金属製の一部品であって、本実施例においては発光側ＦＯＴ３及び受光側ＦＯＴ４を収容した状態のコネクタハウジング５を覆うことができる大きさに形成される（発光側ＦＯＴ３及び受光側ＦＯＴ４のみを覆うような形状であってもよいものとする）。このようなシールドケース６の下部には、ピン形状のグランド部１６と、固定ピン１７とが形成される。グランド部１６は、回路基板２のスルーホール１８に差し込まれて図示しないグランドに半田付けされる。一方、固定ピン１７は、回路基板２の固定穴１９に差し込まれて固定される。   The shield case 6 is a box-shaped metal part, and in this embodiment, the shield case 6 is formed to have a size that can cover the connector housing 5 in a state in which the light emitting side FOT 3 and the light receiving side FOT 4 are accommodated ( The shape may cover only the light emitting side FOT3 and the light receiving side FOT4). A pin-shaped ground portion 16 and a fixing pin 17 are formed at the lower portion of the shield case 6. The ground portion 16 is inserted into the through hole 18 of the circuit board 2 and soldered to a ground (not shown). On the other hand, the fixing pin 17 is inserted into the fixing hole 19 of the circuit board 2 and fixed.

図２及び図３において、送受一体型レンズ７は、光透過性を有する樹脂製の一部品（一つの部品）であって、発光側導光部材２０と、受光側導光部材２１と、連結部２２と、空間２３とを有し、例えば図示の形状に形成される（図示の全体形状は一例であるものとする）。   2 and 3, the transmission / reception integrated lens 7 is a light-transmitting resin component (one component), which is connected to the light-emitting side light guide member 20, the light-receiving side light guide member 21, and the like. It has a portion 22 and a space 23, and is formed, for example, in the shape shown in the figure (the whole shape shown in the figure is an example).

発光側導光部材２０は、導光部２４と、この導光部２４に一体化するフランジ部２５とを有する。導光部２４は、フランジ部２５の第一面２６から真っ直ぐ且つ長く突出する第一筒部２７と、フランジ部２５の第二面２８から短く突出する第二筒部２９と、第一筒部２７及び第二筒部２９の内側を充填するように形成されるレンズ３０とを有して、略円筒状（略円柱状）となる形状に形成される。   The light emitting side light guide member 20 includes a light guide part 24 and a flange part 25 integrated with the light guide part 24. The light guide unit 24 includes a first cylindrical part 27 that protrudes straight and long from the first surface 26 of the flange part 25, a second cylindrical part 29 that protrudes short from the second surface 28 of the flange part 25, and a first cylindrical part. 27 and the lens 30 formed so as to fill the inside of the second cylindrical portion 29, and is formed in a shape that is substantially cylindrical (substantially columnar).

第一筒部２７と第二筒部２９は、フランジ部２５を境にして非対称形状に形成される。第一筒部２７の外面には、側面視三角形状の長リブ３１が一体に形成される。また、第二筒部２９の外面には、側面視三角形状の短リブ３２が一体に形成される。長リブ３１及び短リブ３２は、送受一体型レンズ７の樹脂成形時における樹脂材料の流動性を向上させるための部分として形成される。長リブ３１及び短リブ３２により、第一筒部２７及び第二筒部２９の先端まで樹脂材料が流れるようになることから、成形精度を高めることができる（ショートショットを防止することができる）。第二筒部２９の突出先端部には、調整部３３が一体に形成される。   The first cylinder portion 27 and the second cylinder portion 29 are formed in an asymmetric shape with the flange portion 25 as a boundary. A long rib 31 having a triangular shape in side view is integrally formed on the outer surface of the first cylindrical portion 27. Further, a short rib 32 having a triangular shape in side view is integrally formed on the outer surface of the second cylindrical portion 29. The long ribs 31 and the short ribs 32 are formed as portions for improving the fluidity of the resin material during resin molding of the transmission / reception integrated lens 7. Since the resin material flows through the long rib 31 and the short rib 32 to the tips of the first cylindrical portion 27 and the second cylindrical portion 29, the molding accuracy can be increased (short shot can be prevented). . An adjustment portion 33 is formed integrally with the protruding tip portion of the second cylindrical portion 29.

尚、本実施例において、調整部３３は発光側導光部材２０にだけ形成されるものとする（形状の最適化を図るため、受光側導光部材２１には形成されない）。   In this embodiment, the adjustment unit 33 is formed only on the light emitting side light guide member 20 (in order to optimize the shape, it is not formed on the light receiving side light guide member 21).

レンズ３０には、図示しない発光素子に対し最適形状となる非球面形状レンズ（図示省略）の部分と、その他の部分とが形成される。レンズ３０は、発光側専用のレンズとして形成される。   The lens 30 is formed with an aspherical lens (not shown) having an optimum shape for a light emitting element (not shown) and other portions. The lens 30 is formed as a lens exclusively for the light emitting side.

フランジ部２５は、矩形板状となる形状に形成される。フランジ部２５は、所定の肉厚にて形成される。フランジ部２５の第二面２８には、コ字状のＦＯＴ接触部３４が一体に形成される（形状は一例であるものとする）。ＦＯＴ接触部３４は、発光側ＦＯＴ３におけるＦＯＴ本体８の平面部に面接触する部分として形成される。ＦＯＴ接触部３４の形成により、組み付け時においては、例えばレンズ傾きを防止するすることができる。   The flange portion 25 is formed into a rectangular plate shape. The flange portion 25 is formed with a predetermined thickness. A U-shaped FOT contact portion 34 is integrally formed on the second surface 28 of the flange portion 25 (the shape is an example). The FOT contact portion 34 is formed as a portion in surface contact with the flat portion of the FOT main body 8 in the light emission side FOT 3. By forming the FOT contact portion 34, for example, lens tilt can be prevented during assembly.

受光側導光部材２１は、発光側導光部材２０と同様に、導光部３５と、この導光部３５に一体化するフランジ部３６とを有する（構成は発光側導光部材２０と基本的に同じであるが、最適化されて細部の構造は若干異なる）。   The light receiving side light guide member 21 has a light guide part 35 and a flange part 36 integrated with the light guide part 35 in the same manner as the light emission side light guide member 20 (the structure is basically the same as that of the light emitting side light guide member 20). But the details are slightly different due to the optimization).

導光部３５は、フランジ部３６の第一面３７から真っ直ぐ且つ長く突出する第一筒部３８と、フランジ部３６の第二面３９から短く突出する第二筒部４０と、第一筒部３８及び第二筒部４０の内側を充填するように形成されるレンズ４１とを有して、略円筒状（略円柱状）となる形状に形成される。   The light guide part 35 includes a first cylinder part 38 projecting straight and long from the first surface 37 of the flange part 36, a second cylinder part 40 projecting short from the second surface 39 of the flange part 36, and a first cylinder part. 38 and a lens 41 formed so as to fill the inside of the second cylindrical portion 40, and is formed into a substantially cylindrical shape (substantially columnar shape).

第一筒部３８と第二筒部４０は、フランジ部３６を境にして非対称形状に形成される。第一筒部３８の外面には、側面視三角形状の長リブ４２が一体に形成される。また、第二筒部４０の外面には、側面視三角形状の短リブ４３が一体に形成される。長リブ４２及び短リブ４３は、上記長リブ３１及び短リブ３２と同様に、送受一体型レンズ７の樹脂成形時における樹脂材料の流動性を向上させるための部分として形成される。第二筒部４０は、発光側導光部材２０の第二筒部２９よりも若干短く形成される。   The first cylinder part 38 and the second cylinder part 40 are formed in an asymmetric shape with the flange part 36 as a boundary. A long rib 42 having a triangular shape in side view is integrally formed on the outer surface of the first cylindrical portion 38. Further, a short rib 43 having a triangular shape in a side view is integrally formed on the outer surface of the second cylindrical portion 40. The long ribs 42 and the short ribs 43 are formed as portions for improving the fluidity of the resin material at the time of resin molding of the transmission / reception integrated lens 7, similarly to the long ribs 31 and the short ribs 32. The second cylinder part 40 is formed slightly shorter than the second cylinder part 29 of the light emitting side light guide member 20.

レンズ４１には、図示しない受光素子に対し最適形状となる非球面形状レンズ（図示省略）の部分と、その他の部分とが形成される。レンズ４１は、受光側専用のレンズとして形成される。   The lens 41 is formed with an aspherical lens (not shown) having an optimum shape with respect to a light receiving element (not shown) and other parts. The lens 41 is formed as a lens exclusively for the light receiving side.

フランジ部３６は、矩形板状となる形状に形成される。フランジ部３６は、所定の肉厚にて形成される。フランジ部３６の第二面３９には、コ字状のＦＯＴ接触部４４が一体に形成される（形状は一例であるものとする）。ＦＯＴ接触部４４は、受光側ＦＯＴ４におけるＦＯＴ本体８の平面部に面接触する部分として形成される。ＦＯＴ接触部４４の形成により、組み付け時においては、例えばレンズ傾きを防止するすることができる。ＦＯＴ接触部４４は、上記ＦＯＴ接触部３４に対して同一平面になるように形成される。フランジ部３６は、空間２３が介在した状態で、発光側導光部材２０のフランジ部２５と並ぶような位置に配置される。   The flange portion 36 is formed into a rectangular plate shape. The flange portion 36 is formed with a predetermined thickness. A U-shaped FOT contact portion 44 is integrally formed on the second surface 39 of the flange portion 36 (the shape is an example). The FOT contact portion 44 is formed as a portion in surface contact with the flat portion of the FOT main body 8 in the light receiving side FOT4. By forming the FOT contact portion 44, for example, lens tilt can be prevented during assembly. The FOT contact portion 44 is formed to be flush with the FOT contact portion 34. The flange portion 36 is arranged at a position aligned with the flange portion 25 of the light emitting side light guide member 20 with the space 23 interposed.

連結部２２は、発光側導光部材２０と受光側導光部材２１とを繋ぐ部分として形成される。具体的には、空間２３をあけてフランジ部２５とフランジ部３６とを繋ぐように形成される。   The connecting portion 22 is formed as a portion connecting the light emitting side light guide member 20 and the light receiving side light guide member 21. Specifically, it is formed so as to connect the flange portion 25 and the flange portion 36 by opening the space 23.

尚、図中の矢印Ｐを発光側導光部材２０と受光側導光部材２１との並び方向、矢印Ｑをコネクタハウジング５に対する発光側導光部材２０と受光側導光部材２１の収容方向、矢印Ｒを上記各方向に直交する方向とすると、連結部２２は矢印Ｒの方向の一端側に位置するように配置される。   In addition, the arrow P in the figure is the direction in which the light emitting side light guide member 20 and the light receiving side light guide member 21 are arranged, the arrow Q is the accommodation direction of the light emitting side light guide member 20 and the light receiving side light guide member 21 with respect to the connector housing 5, When the arrow R is a direction orthogonal to the above directions, the connecting portion 22 is disposed so as to be positioned on one end side in the direction of the arrow R.

連結部２２は、弾力性を有するような形状に形成される。具体的には、フランジ部２５の一側部４５及びフランジ部３６の一側部４６から外側へ突出するようなブリッジ形状（略コ字状の形状）に形成される。また、連結部２２は、コネクタハウジング５への組み付け時に作業者が手で持つことができる、持ち手部分４７となるような形状にも形成される。   The connecting portion 22 is formed in a shape having elasticity. Specifically, it is formed in a bridge shape (substantially U-shaped) that protrudes outward from one side 45 of the flange 25 and one side 46 of the flange 36. Further, the connecting portion 22 is also formed in a shape that becomes a handle portion 47 that can be held by the operator's hand when assembled to the connector housing 5.

空間２３は、スリット形状に形成される。具体的には、矢印Ｒの方向の他端側、すなわち連結部２２の形成位置の反対側が開口するようなスリット形状に形成される。   The space 23 is formed in a slit shape. Specifically, it is formed in a slit shape such that the other end side in the direction of the arrow R, that is, the opposite side of the formation position of the connecting portion 22 opens.

以上、図１ないし図３を参照しながら説明してきたように、光コネクタ１は上記構成及び構造の送受一体型レンズ７を含み、この送受一体型レンズ７に関しては、次のような効果を奏する。   As described above with reference to FIGS. 1 to 3, the optical connector 1 includes the transmission / reception integrated lens 7 having the above-described configuration and structure, and the transmission / reception integrated lens 7 has the following effects. .

すなわち、送受一体型レンズ７は、発光側導光部材２０と受光側導光部材２１とを有し、これらが連結部２２により繋がれて一体化することから、大きな一つの部品として用いることができる。本発明によれば、発光側導光部材２０自身、及び、受光側導光部材２１自身が小さくても、連結部２２にて一体化すれば、大きな一つの部品として用いることができる。従って、コネクタハウジング５への組み付けに係る作業性を向上させることができるという効果を奏する。   That is, the transmission / reception integrated lens 7 includes the light-emitting side light guide member 20 and the light-receiving side light guide member 21, which are connected and integrated by the connecting portion 22, and thus can be used as one large component. it can. According to the present invention, even if the light-emitting side light guide member 20 itself and the light-receiving side light guide member 21 itself are small, they can be used as one large component if they are integrated at the connecting portion 22. Therefore, there is an effect that the workability related to the assembly to the connector housing 5 can be improved.

また、送受一体型レンズ７は、上記の一体化により一つの部品になることから、一方に発光側ＦＯＴ３用のレンズ３０を、他方に受光側ＦＯＴ４用のレンズ４１をそれぞれ形成しても、これらを区別することなく、また、コネクタハウジング５に対し誤挿入することなく組み付けをすることができる。従って、作業性を向上させることができるという効果を奏する。   Further, since the transmission / reception integrated lens 7 becomes one component by the above integration, even if the light-emitting side FOT3 lens 30 is formed on one side and the light-receiving side FOT4 lens 41 is formed on the other side, these The connector housing 5 can be assembled without being distinguished from each other and without being erroneously inserted. Therefore, there is an effect that workability can be improved.

また、送受一体型レンズ７は、上記の一体化により一つの部品になることから、一方に発光側ＦＯＴ３用のレンズ３０を、他方に受光側ＦＯＴ４用のレンズ４１をそれぞれ形成することができる。従って、光学部品としての形状の最適化を図ることができるという効果を奏する。   Further, since the transmission / reception integrated lens 7 becomes one component by the above integration, the light emitting side FOT3 lens 30 can be formed on one side and the light receiving side FOT4 lens 41 can be formed on the other side. Therefore, there is an effect that the shape of the optical component can be optimized.

また、図４に示す如く、送受一体型レンズ７は、連結部２２が弾力性を有するブリッジ形状に形成され、発光側導光部材２０と受光側導光部材２１との間の空間２３がスリット形状に形成されることから、発光側導光部材２０と受光側導光部材２１とのピッチＰ１がコネクタハウジング５の組み付け部分４８のピッチＰ２に対し厳密に合致してなくとも、撓みにより吸収することができる。従って、送受一体型レンズ７をコネクタハウジング５に確実に組み付けることができ、以て作業性を向上させることができるという効果を奏する。   4, the transmission / reception integrated lens 7 is formed in a bridge shape in which the connecting portion 22 has elasticity, and the space 23 between the light emitting side light guide member 20 and the light receiving side light guide member 21 is slit. Since it is formed in a shape, even if the pitch P1 between the light-emitting side light guide member 20 and the light-receiving side light guide member 21 does not exactly match the pitch P2 of the assembly portion 48 of the connector housing 5, it absorbs by bending. be able to. Therefore, the transmission / reception integrated lens 7 can be reliably assembled to the connector housing 5, and the workability can be improved.

本発明は本発明の主旨を変えない範囲で種々変更実施可能なことは勿論である。   It goes without saying that the present invention can be variously modified without departing from the spirit of the present invention.

１…光コネクタ、 ２…回路基板、 ３…発光側ＦＯＴ、 ４…受光側ＦＯＴ、 ５…コネクタハウジング、 ６…シールドケース、 ７…送受一体型レンズ、 ８…ＦＯＴ本体、 ９…リードフレーム、 １０、１８…スルーホール、 １１…コネクタ嵌合部、 １２…ＦＯＴ収容部、 １３…貫通孔、 １４…固定ピン、 １５…ハウジング固定穴、 １６…グランド部、 １７…固定ピン、 １９…固定穴、 ２０…発光側導光部材、 ２１…受光側導光部材、 ２２…連結部、 ２３…空間、 ２４、３５…導光部、 ２５、３６…フランジ部、 ２６、３７…第一面、 ２７、３８…第一筒部、 ２８、３９…第二面、 ２９、４０…第二筒部、 ３０、４１…レンズ、 ３１、４２…長リブ、 ３２、４３…短リブ、 ３３…調整部、 ３４、４４…ＦＯＴ接触部、 ４５、４６…一側部、 ４７…持ち手部分、 ４８…組み付け部分   DESCRIPTION OF SYMBOLS 1 ... Optical connector, 2 ... Circuit board, 3 ... Light emission side FOT, 4 ... Light reception side FOT, 5 ... Connector housing, 6 ... Shield case, 7 ... Transmission / reception integrated lens, 8 ... FOT main body, 9 ... Lead frame, 10 , 18 through hole, 11 connector fitting portion, 12 FOT accommodating portion, 13 through hole, 14 fixing pin, 15 housing fixing hole, 16 ground portion, 17 fixing pin, 19 fixing hole, DESCRIPTION OF SYMBOLS 20 ... Light emission side light guide member, 21 ... Light reception side light guide member, 22 ... Connection part, 23 ... Space, 24, 35 ... Light guide part, 25, 36 ... Flange part, 26, 37 ... First surface, 27, 38 ... 1st cylinder part, 28, 39 ... 2nd surface, 29, 40 ... 2nd cylinder part, 30, 41 ... Lens, 31, 42 ... Long rib, 32, 43 ... Short rib, 33 ... Adjustment part, 34 , 44 ... F OT contact part, 45, 46 ... one side part, 47 ... handle part, 48 ... assembly part

Claims (2)

発光素子を有する発光側ＦＯＴ（Fiber Optic Transceiver ）と、
受光素子を有する受光側ＦＯＴと、
前記発光側ＦＯＴ及び前記受光側ＦＯＴを並んだ状態に収容するＦＯＴ収容部を有するコネクタハウジングと、
前記発光側ＦＯＴ及び前記受光側ＦＯＴの位置に合わせて前記コネクタハウジングに組み付けられる二つの導光部材と、
を含む光コネクタにおいて、
前記コネクタハウジングは、前記二つの導光部材を組み付け可能に形成される組み付け部分を備え、
該組み付け部分は、前記発光素子及び前記受光素子の位置に合わせて配置形成される二つの貫通孔を備え、
前記二つの導光部材は、前記発光側ＦＯＴ用のレンズが形成される発光側導光部材と、前記受光側ＦＯＴ用のレンズが形成される受光側導光部材とからなり、
前記発光側導光部材は、発光側の導光部と、発光側のフランジ部とを有してなり、前記発光側の導光部は、前記発光側のフランジ部の発光側の第一面から突出し前記二つの貫通孔のうち一方の貫通孔に挿通可能に形成される発光側の第一筒部と、前記発光側のフランジ部の発光側の第二面から突出する発光側の第二筒部と、前記発光側の第一筒部及び前記発光側の第二筒部の内側を充填するように形成される発光側のレンズとを有し、
前記発光側の第一筒部と前記発光側の第二筒部は、前記発光側のフランジ部を境にして非対称形状に形成され、前記発光側の第一筒部の外面には、側面視三角形状の発光側の長リブが一体に形成され、前記発光側の第二筒部の外面には、側面視三角形状の発光側の短リブが一体に形成されてなり、
前記受光側導光部材は、受光側の導光部と、受光側のフランジ部とを有してなり、前記受光側の導光部は、前記受光側のフランジ部の受光側の第一面から突出し前記二つの貫通孔のうち他方の貫通孔に挿通可能に形成される受光側の第一筒部と、前記受光側のフランジ部の受光側の第二面から突出する受光側の第二筒部と、前記受光側の第一筒部及び前記受光側の第二筒部の内側を充填するように形成される受光側のレンズとを有し、
前記受光側の第一筒部と前記受光側の第二筒部は、前記受光側のフランジ部を境にして非対称形状に形成され、前記受光側の第一筒部の外面には、側面視三角形状の受光側の長リブが一体に形成され、前記受光側の第二筒部の外面には、側面視三角形状の受光側の短リブが一体に形成されてなり、
前記発光側導光部材と前記受光側導光部材とからなる前記二つの導光部材は、前記発光側のフランジ部と前記受光側のフランジ部との間に空間を設け、弾力性を有するブリッジ形状の前記連結部により繋がれて１つの部品として一体化されてなり、
前記ブリッジ形状の前記連結部は、前記発光側導光部材と前記受光側導光部材との並び方向及び収容方向にそれぞれ直交する方向の一端側に位置するように配置され、さらに、前記空間は、前記連結部と前記発光側導光部材と前記受光側導光部材との配置により、前記一端の反対側となる他端側が開口するスリット形状に形成され、
さらに、前記ブリッジ形状の前記連結部は、
前記発光側導光部材と前記受光側導光部材それぞれの中心軸が略平行に配置された状態で前記発光側導光部材と前記受光側導光部材とがこの並び方向において互いに近づいて前記発光側導光部材と前記受光側導光部材とのピッチが前記一方の貫通孔と前記他方の貫通孔とのピッチと合致するように撓むことができるとともに、前記発光側導光部材と前記受光側導光部材それぞれの中心軸が略平行に配置された状態で前記発光側導光部材と前記受光側導光部材とがこの並び方向において互いに離れて前記発光側導光部材と前記受光側導光部材とのピッチが前記一方の貫通孔と前記他方の貫通孔とのピッチと合致するように撓むことができるように形成される
ことを特徴とする光コネクタ。 A light emitting side FOT (Fiber Optic Transceiver) having a light emitting element;
A light receiving side FOT having a light receiving element;
A connector housing having a FOT accommodating portion for accommodating the light emitting side FOT and the light receiving side FOT side by side;
Two light guide members assembled to the connector housing in accordance with the positions of the light emitting side FOT and the light receiving side FOT;
In an optical connector including
The connector housing includes an assembly portion formed so that the two light guide members can be assembled;
The assembly portion includes two through holes that are arranged and formed in accordance with the positions of the light emitting element and the light receiving element,
The two light guide members include a light emission side light guide member on which the light emission side FOT lens is formed, and a light reception side light guide member on which the light reception side FOT lens is formed.
The light emission side light guide member includes a light emission side light guide portion and a light emission side flange portion, and the light emission side light guide portion is a first surface on the light emission side of the light emission side flange portion. the light-emitting-side projecting the first cylindrical portion of the one can be inserted in the formed Ru emission side into the through hole of the projecting the two through holes, from the second surface of the light-emitting side of the flange portion of the light emitting side from A light emitting side lens formed so as to fill the inside of the light emitting side first cylindrical portion and the light emitting side second cylindrical portion;
The first tube portion on the light emitting side and the second tube portion on the light emitting side are formed in an asymmetric shape with a flange portion on the light emitting side as a boundary, and the outer surface of the first tube portion on the light emitting side is formed in a side view. Triangular light emitting side long ribs are integrally formed, and on the outer surface of the light emitting side second cylinder part, triangular side light emitting side short ribs are integrally formed,
The light receiving side light guide member includes a light receiving side light guide portion and a light receiving side flange portion, and the light receiving side light guide portion is a first surface on the light receiving side of the light receiving side flange portion. the light-receiving-side projecting from the first cylindrical portion of the other through hole to insert capable formed Ru light receiving side and a second side of the light receiving side of the flange portion of the light receiving side of the protruding said two through holes from A light receiving side lens formed so as to fill the inside of the light receiving side first cylindrical part and the light receiving side second cylindrical part;
The light-receiving side first tube portion and the light-receiving side second tube portion are formed in an asymmetric shape with a flange portion on the light-receiving side as a boundary, and the outer surface of the light-receiving side first tube portion is side-viewed. A long rib on the light receiving side having a triangular shape is integrally formed, and a short rib on the light receiving side having a triangular shape in side view is integrally formed on the outer surface of the second cylindrical portion on the light receiving side,
The two light guide members comprising the light emission side light guide member and the light reception side light guide member provide a space between the light emission side flange portion and the light reception side flange portion, and have elasticity. Connected by the connecting part of the shape and integrated as one part,
The bridge-shaped connecting portion is disposed so as to be positioned on one end side in a direction orthogonal to the alignment direction and the accommodation direction of the light emitting side light guide member and the light receiving side light guide member, and the space is In addition, the arrangement of the connecting portion, the light emitting side light guide member, and the light receiving side light guide member is formed into a slit shape in which the other end side opposite to the one end is opened ,
Furthermore, the connecting portion in the bridge shape is
The light emitting side light guide member and the light receiving side light guide member come close to each other in this arrangement direction with the central axes of the light emitting side light guide member and the light receiving side light guide member arranged substantially in parallel, and the light emission The light guide member and the light receiving member can be bent so that the pitch between the light guide member and the light receiving member matches the pitch between the one through hole and the other through hole. The light-emitting side light guide member and the light-receiving side light guide member are separated from each other in the alignment direction in a state where the central axes of the side light-guide members are arranged substantially parallel to each other. optical connector, wherein the pitch of the optical member is the Ru is formed to be able to flex to match the pitch between one through-hole and the other through hole. 請求項１に記載の光コネクタにおいて、
前記ブリッジ形状の前記連結部は、持ち手部分としても形成される
ことを特徴とする光コネクタ。 The optical connector according to claim 1,
The said bridge-shaped said connection part is formed also as a handle part. The optical connector characterized by the above-mentioned.
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