JP5111996B2 - Shield case contact structure - Google Patents

Shield case contact structure Download PDF

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JP5111996B2
JP5111996B2 JP2007263891A JP2007263891A JP5111996B2 JP 5111996 B2 JP5111996 B2 JP 5111996B2 JP 2007263891 A JP2007263891 A JP 2007263891A JP 2007263891 A JP2007263891 A JP 2007263891A JP 5111996 B2 JP5111996 B2 JP 5111996B2
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overlapping portion
shield case
optical connector
fot
connector housing
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JP2009094305A (en
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雅仁 尾▲崎▼
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Yazaki Corp
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Yazaki Corp
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Priority to JP2007263891A priority Critical patent/JP5111996B2/en
Priority to DE102008050526.9A priority patent/DE102008050526B4/en
Priority to GB0818141.4A priority patent/GB2453644B/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
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4256—Details of housings
    • G02B6/426—Details of housings mounting, engaging or coupling of the package to a board, a frame or a panel
    • 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
    • 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
    • G02B6/4219—Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
    • G02B6/4236—Fixing or mounting methods of the aligned elements
    • G02B6/4245—Mounting of the 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
    • G02B6/4256—Details of housings
    • 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
    • G02B6/4274—Electrical aspects
    • G02B6/4277—Protection against electromagnetic interference [EMI], e.g. shielding means
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581—Shield structure

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)

Description

本発明は、シールドケースの接触構造に関し、詳しくは、シールドケースの重ね合わせ部における上側重ね合わせ部と下側重ね合わせ部との接触構造に関する。   The present invention relates to a contact structure of a shield case, and more particularly to a contact structure of an upper overlap portion and a lower overlap portion in an overlap portion of a shield case.

下記特許文献１に開示される光コネクタは、ＦＯＴ（Fiber Optic Transceiver ）を覆って電磁ノイズ対策を施すシールドケースが構成に含まれている。また、下記特許文献２に開示された光コネクタにも、ＦＯＴを収容した光コネクタハウジングを覆って電磁ノイズ対策を施すシールドケースが構成に含まれている。シールドケースは、導電性を有する金属板を折り曲げ加工することにより略箱状の形状に形成されている。
特開２００５−２６６１３０号公報 特開２００６−２１５２７６号公報 An optical connector disclosed in the following Patent Document 1 includes a shield case that covers an FOT (Fiber Optic Transceiver) and takes measures against electromagnetic noise. In addition, the optical connector disclosed in Patent Document 2 below also includes a shield case that covers the optical connector housing that houses the FOT and takes measures against electromagnetic noise. The shield case is formed in a substantially box shape by bending a conductive metal plate.
JP-A-2005-266130 JP 2006-215276 A

シールドケースは、金属板を折り曲げ加工することにより略箱状に形成されることから、閉じる部分において端部同士が接触していないことがあり、この場合には、シールドケースの全周にわたっての導通を確保することができないという問題点を有している。導通が遮断された状態にあっては、シールド性能に影響を来してしまうという問題点を有している。   Since the shield case is formed in a substantially box shape by bending a metal plate, the ends may not be in contact with each other at the closed part. Has a problem that it cannot be secured. When the continuity is interrupted, there is a problem that the shielding performance is affected.

本発明は、上記した事情に鑑みてなされたもので、シールドケースの全周にわたっての導通を確保することが可能なシールドケースの接触構造を提供することを課題とする。   This invention is made | formed in view of an above-described situation, and makes it a subject to provide the contact structure of the shield case which can ensure conduction | electrical_connection over the perimeter of a shield case.

上記課題を解決するためになされた請求項１記載の本発明のシールドケースの接触構造は、導電性を有する金属板を折り曲げて略箱状に形成され、発光側ＦＯＴ（Fiber Optic Transceiver ）及び受光側ＦＯＴを覆うように、又は、後部に形成されるＦＯＴ収容部に該発光側ＦＯＴ及び受光側ＦＯＴを収容した状態の光コネクタハウジングを覆うように組み付けられるシールドケースの接触構造において、
前記シールドケースは、導電性を有する金属板を折り曲げ加工することにより前記光コネクタハウジング４を挿入する前後方向が開口するような略箱状の形状に形成し、閉じる部分の端部同士の位置において上側重ね合わせ部と下側重ね合わせ部とからなる重ね合わせ部を形成してなり、
前記重ね合わせ部は、前記光コネクタハウジングを挿入する前後方向に真っ直ぐのびるように形成し、
前記上側重ね合わせ部と前記下側重ね合わせ部の前記重ね合わせ部に対応する位置の前記光コネクタハウジングの上壁に押圧部を形成し、
前記シールドケースを前記ＦＯＴ又は前記光コネクタハウジングに組み付けると、前記押圧部により前記下側重ね合わせ部を前記上側重ね合わせ部に押圧し、前記上側重ね合わせ部と前記下側重ね合わせ部とが接触し合うことにより前記シールドケースの全周にわたっての導通を確保するように構成したことを特徴としている。 The contact structure of the shield case according to claim 1 of the present invention, which has been made to solve the above-mentioned problems, is formed in a substantially box shape by bending a conductive metal plate, and has a light emitting side FOT (Fiber Optic Transceiver) and light receiving so as to cover the side FOT, or, in the contact structure of the shield case to be assembled so as to cover the optical connector housing in a state of accommodating the light-emitting side FOT and the light-receiving side FOT the FOT accommodating portion formed in the rear,
The shield case is formed into a substantially box-like shape that opens in the front-rear direction in which the optical connector housing 4 is inserted by bending a conductive metal plate, and at the position between the ends of the closed portions. Forming an overlapping portion composed of an upper overlapping portion and a lower overlapping portion ;
The overlapping portion is formed so as to extend straight in the front-rear direction for inserting the optical connector housing,
Forming a pressing portion on the upper wall of the optical connector housing at a position corresponding to the overlapping portion of the upper overlapping portion and the lower overlapping portion;
When the shield case is assembled to the FOT or the optical connector housing, the lower overlapping portion is pressed against the upper overlapping portion by the pressing portion, and the upper overlapping portion and the lower overlapping portion are in contact with each other. It is characterized by being configured so as to ensure conduction over the entire circumference of the shield case .

このような特徴を有する本発明によれば、ＦＯＴを覆うように、又は光コネクタハウジングを覆うようにシールドケースを組み付けると、押圧部の存在によってシールドケースに形成される重ね合わせ部の上側重ね合わせ部と下側重ね合わせ部とが接触し合い、これにより導通が確保される。   According to the present invention having such a feature, when the shield case is assembled so as to cover the FOT or the optical connector housing, the upper overlap of the overlapping portion formed in the shield case due to the presence of the pressing portion. The portion and the lower overlapping portion come into contact with each other, thereby ensuring conduction.

請求項２記載の本発明のシールドケースの接触構造は、請求項１に記載のシールドケースの接触構造において、前記光コネクタハウジングを挿入する前後方向に真っ直ぐのびる突起形状又はリブ形状に形成されるものであることを特徴としている。 Contact structure of the shield case of the present invention according to claim 2, in contact structure of the shield case according to claim 1, which is formed straight extending protrusion shape or ribs in the longitudinal direction of insertion of the optical connector housing It is characterized by being.

このような特徴を有する本発明によれば、押圧部が簡単な形状で形成される。形状が簡単であることにより、上側重ね合わせ部と下側重ね合わせ部との接触が確実になるような寸法設定を容易にすることが可能になる。   According to the present invention having such characteristics, the pressing portion is formed in a simple shape. Due to the simple shape, it is possible to facilitate the dimensional setting that ensures the contact between the upper overlapping portion and the lower overlapping portion.

請求項３記載の本発明のシールドケースの接触構造は、請求項１又請求項２に記載のシールケースの接触構造において、前記上側重ね合わせ部は、折り曲げ片となる形状に形成され、該折り曲げ片となる形状の上側重ね合わせ部は、前記略箱状のシールドケースの角部分に配置形成されるものであることを特徴としている。 The contact structure of the shield case according to a third aspect of the present invention is the contact structure of the seal case according to the first or second aspect, wherein the upper overlapping portion is formed in a shape to be a bent piece, the upper overlapping portions of the shape which is semi is characterized in that it is intended to be arranged and formed at the corner portions of the substantially box-like shield case.

このような特徴を有する本発明によれば、上側重ね合わせ部がシールドケースの変形し難い位置に配置形成され、下側重ね合わせ部を上側重ね合わせ部に対して強く押し付けることが可能になる。これにより、上側重ね合わせ部と下側重ね合わせ部との接触が確実になる。   According to the present invention having such a feature, the upper overlapping portion is arranged and formed at a position where the shield case is difficult to deform, and the lower overlapping portion can be strongly pressed against the upper overlapping portion. This ensures the contact between the upper overlapping portion and the lower overlapping portion.

請求項１に記載された本発明によれば、重ね合わせ部と押圧部とでシールドケースの全周にわたっての導通を確保することができるという効果を奏する。従って、良好なシールド性能を発揮することができるという効果を奏する。   According to the first aspect of the present invention, there is an effect that the conduction over the entire circumference of the shield case can be ensured by the overlapping portion and the pressing portion. Therefore, there is an effect that good shielding performance can be exhibited.

請求項２に記載された本発明によれば、簡単な形状の押圧部とすることにより、確実に接触する寸法を容易に設定す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, there is an effect that it is possible to easily set the dimension to be surely contacted by using a simple-shaped pressing portion.

請求項３に記載された本発明によれば、変形し難い位置に重ね合わせ部を配置形成して、より確実に上側重ね合わせ部と下側重ね合わせ部とを接触させることができるという効果を奏する。   According to the third aspect of the present invention, the overlapping portion is arranged and formed at a position where it is difficult to deform, and the upper overlapping portion and the lower overlapping portion can be brought into contact with each other more reliably. Play.

以下、図面を参照しながら説明する。図１は本発明のシールドケースの接触構造の一実施の形態を示す図であり、（ａ）は光コネクタの回路基板実装状態の斜視図、（ｂ）は重ね合わせ部と押圧部の拡大図である。また、図２はカバー部材側から見た光コネクタの斜視図、図３は光コネクタハウジングの斜視図、図４はシールドケースの斜視図、図５はＦＯＴの斜視図である。   Hereinafter, description will be given with reference to the drawings. 1A and 1B are diagrams showing an embodiment of a shield case contact structure according to the present invention, in which FIG. 1A is a perspective view of an optical connector mounted on a circuit board, and FIG. 1B is an enlarged view of an overlapping portion and a pressing portion. It is. 2 is a perspective view of the optical connector viewed from the cover member side, FIG. 3 is a perspective view of the optical connector housing, FIG. 4 is a perspective view of the shield case, and FIG. 5 is a perspective view of the FOT.

図１において、引用符号１で示される本発明の光コネクタは、レセプタクルタイプの光コネクタであって、嵌合方向Ａの方向に沿って相手側となるプラグタイプの光コネクタ（図示省略）が嵌合し、これによって光学的な結合がなされるようになっている。光コネクタ１は、相手側光コネクタとの嵌合方向Ａが回路基板２に対して略直交方向となるように回路基板２に組み付けられるようになっている。   In FIG. 1, the optical connector of the present invention indicated by reference numeral 1 is a receptacle-type optical connector, and a plug-type optical connector (not shown) on the mating side is fitted in the fitting direction A. In this way, optical coupling is achieved. The optical connector 1 is assembled to the circuit board 2 so that the fitting direction A with the counterpart optical connector is substantially orthogonal to the circuit board 2.

具体的な説明に入る前に、ここでは図１及び図２中の矢印Ｐが上下方向を示すものと定義する（一例であるものとする）。また、矢印Ｑは左右方向を示すものと定義する。さらに、矢印Ｒは前後方向を示すものと定義する。上記嵌合方向Ａは前後方向Ｒに平行であるものとする。   Before entering a specific description, it is defined here that an arrow P in FIGS. 1 and 2 indicates the vertical direction (assumed as an example). The arrow Q is defined as indicating the left-right direction. Furthermore, the arrow R is defined to indicate the front-rear direction. The fitting direction A is assumed to be parallel to the front-rear direction R.

図１及び図２において、光コネクタ１は、回路基板２に固定するための固定部３を有する光コネクタハウジング４と、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、電磁ノイズ対策を施すためのシールドケース５と、光コネクタハウジング４の後部に嵌合して装着されるカバー部材６とを備えて構成されている。   1 and 2, an optical connector 1 includes an optical connector housing 4 having a fixing portion 3 for fixing to a circuit board 2, a light emitting side FOT (Fiber Optic Transceiver) having a light emitting element, and a light receiving element having a light receiving element. A side FOT, a shield case 5 for taking electromagnetic noise countermeasures, and a cover member 6 fitted and attached to the rear portion of the optical connector housing 4 are configured.

上記の発光側ＦＯＴ及び受光側ＦＯＴは、例えば図５を参照しながら後述するＦＯＴ７と基本的に同じものであり、これらは光コネクタハウジング４の後部に形成されるＦＯＴ収容部８に収容されるようになっている。   The light emitting side FOT and the light receiving side FOT are basically the same as the FOT 7 described later with reference to FIG. 5, for example, and these are accommodated in the FOT accommodating portion 8 formed at the rear portion of the optical connector housing 4. It is like that.

光コネクタ１は、上記以外の構成として、相手側光コネクタのフェルールとＦＯＴ７との間に介在するスリーブ（図示省略）を有している。   The optical connector 1 has a sleeve (not shown) interposed between the ferrule of the counterpart optical connector and the FOT 7 as a configuration other than the above.

図１ないし図３において、光コネクタハウジング４は、矩形略箱状の部材であって、この前面には、相手側光コネクタとの機械的な嵌合を行うコネクタ嵌合部９が形成されている。また、後面には、上記の如くＦＯＴ収容部８が形成されている。コネクタ嵌合部９とＦＯＴ収容部８との間には、隔壁が形成されており、この隔壁には、相手側光コネクタのフェルールが差し込まれ、また、上記スリーブが装着される筒部が形成されている。   1 to 3, the optical connector housing 4 is a substantially rectangular box-like member, and a connector fitting portion 9 for mechanically fitting with the counterpart optical connector is formed on the front surface thereof. Yes. Further, as described above, the FOT accommodating portion 8 is formed on the rear surface. A partition wall is formed between the connector fitting portion 9 and the FOT housing portion 8, and a ferrule of the counterpart optical connector is inserted into the partition wall, and a cylindrical portion to which the sleeve is mounted is formed. Has been.

光コネクタハウジング４は、ＦＯＴ収容部８に収容されるＦＯＴ７（図４参照）の発光素子又は受光素子の光軸と、コネクタ嵌合部９に嵌合する相手側光コネクタのフェルール端面に露出する光ファイバの光軸とが略一致するように形成されている。   The optical connector housing 4 is exposed to the optical axis of the light emitting element or the light receiving element of the FOT 7 (see FIG. 4) accommodated in the FOT accommodating portion 8 and the ferrule end face of the mating optical connector fitted to the connector fitting portion 9. It is formed so that the optical axis of the optical fiber substantially coincides.

回路基板２に固定するための固定部３は、本形態において、ネジ止めする部分として形成されている。固定部３は、光コネクタハウジング４の後面の位置に合わせて一対形成されている（固定部３は矢印Ｑで示される左右方向の両側に配置形成されている）。固定部３の近傍には、シールドケース５のグランドピン１０が貫通するグランドピン案内部１１が形成されている。   The fixing portion 3 for fixing to the circuit board 2 is formed as a portion to be screwed in this embodiment. A pair of fixing portions 3 are formed in accordance with the position of the rear surface of the optical connector housing 4 (the fixing portions 3 are disposed and formed on both sides in the left-right direction indicated by an arrow Q). In the vicinity of the fixed portion 3, a ground pin guide portion 11 through which the ground pin 10 of the shield case 5 passes is formed.

光コネクタハウジング４は、４つの角部分を有しており、このうちの１つの角部分１２の近傍には、押圧部１３が一体に形成されている。押圧部１３に関して具体的に説明すると、本形態においては、光コネクタハウジング４の上壁１４に形成されている（押圧部の他の例に関しては後述する）。押圧部１３は、上方に突出する高さの低いリブ状に形成されている。押圧部１３は、矢印Ｒで示す前後方向に真っ直ぐのびるように形成されている。   The optical connector housing 4 has four corner portions, and a pressing portion 13 is integrally formed in the vicinity of one of the corner portions 12. When it demonstrates concretely regarding the press part 13, in this form, it forms in the upper wall 14 of the optical connector housing 4 (it will mention later about the other example of a press part). The pressing part 13 is formed in a low rib shape protruding upward. The pressing portion 13 is formed to extend straight in the front-rear direction indicated by the arrow R.

押圧部１３は、シールドケース５の後述する重ね合わせ部１５に対応する位置に配置形成されている。尚、押圧部１３の高さ寸法は、後述する重ね合わせ部１５における接触が確実となる寸法に設定されるようになっている。押圧部１３は、この形状が上記の如くリブ状であることから、成形金型の加工が容易となる形状であって、高さ寸法を正確に出すことができるようになっている。   The pressing portion 13 is disposed and formed at a position corresponding to a later-described overlapping portion 15 of the shield case 5. In addition, the height dimension of the press part 13 is set to the dimension which ensures the contact in the superimposition part 15 mentioned later. Since the pressing portion 13 has a rib shape as described above, the pressing portion 13 has a shape that facilitates the processing of the molding die, and can accurately obtain the height dimension.

図１、図２、及び図４において、シールドケース５は、導電性を有する金属板を折り曲げ加工することにより略箱状の形状に形成されている（本形態において、シールドケース５は、矢印Ｒで示す前後方向が開口するような略箱状の形状に形成されている。これは光コネクタ１が回路基板２に対して略直交方向となるように組み付けられるからである）。シールドケース５は、ＦＯＴ７を収容した状態の光コネクタハウジング４を覆って電磁ノイズ対策を施すことができるように形成されている。   1, 2, and 4, the shield case 5 is formed in a substantially box shape by bending a conductive metal plate (in this embodiment, the shield case 5 is indicated by an arrow R). (This is because the optical connector 1 is assembled so as to be in a substantially orthogonal direction with respect to the circuit board 2). The shield case 5 is formed so as to cover the optical connector housing 4 in a state where the FOT 7 is accommodated and to take measures against electromagnetic noise.

シールドケース５は、金属板を折り曲げ加工することにより閉じる部分となる端部同士の位置に重ね合わせ部１５が形成されている。この重ね合わせ部１５は、上側重ね合わせ部１６と下側重ね合わせ部１７とからなり、所定の幅寸法で重ね合わせが生じるように形成されている。重ね合わせ部１５は、矢印Ｒで示す前後方向に真っ直ぐのびるように形成されている。シールドケース５は、上側重ね合わせ部１６と下側重ね合わせ部１７とが接触し合うことにより、シールドケース５の全周にわたっての導通が確保されるようになっている。上側重ね合わせ部１６と下側重ね合わせ部１７との確実な接触は、光コネクタハウジング４の押圧部１３の存在によって生じるようになっている。   The shield case 5 is formed with an overlapping portion 15 at a position between end portions which are portions to be closed by bending a metal plate. The overlapping portion 15 includes an upper overlapping portion 16 and a lower overlapping portion 17, and is formed so that overlapping occurs with a predetermined width dimension. The overlapping portion 15 is formed so as to extend straight in the front-rear direction indicated by the arrow R. In the shield case 5, the upper overlap portion 16 and the lower overlap portion 17 come into contact with each other, so that conduction over the entire circumference of the shield case 5 is ensured. The reliable contact between the upper overlapping portion 16 and the lower overlapping portion 17 is caused by the presence of the pressing portion 13 of the optical connector housing 4.

上側重ね合わせ部１６は、シールドケース５の角部分、言い換えれば光コネクタハウジング４の角部分１２の位置に合わせて配置形成されている。上側重ね合わせ部１６は、折り曲げ片となる形状に形成されている。上側重ね合わせ部１６は、シールドケース５の変形し難い位置（角部分）に配置形成されている。本形態において、上側重ね合わせ部１６と下側重ね合わせ部１７は、平坦な面同士で接触し合うようになっている（一例であるものとする）。   The upper overlapping portion 16 is disposed and formed in accordance with the position of the corner portion of the shield case 5, in other words, the corner portion 12 of the optical connector housing 4. The upper overlapping portion 16 is formed in a shape that becomes a bent piece. The upper overlapping portion 16 is disposed and formed at a position (corner portion) where the shield case 5 is difficult to deform. In this embodiment, the upper overlapping portion 16 and the lower overlapping portion 17 are in contact with each other on a flat surface (assumed as an example).

上側重ね合わせ部１６は、上記の如く折り曲げ片形状であることから、この下側から下側重ね合わせ部１７が強く押し付けられても下側重ね合わせ部１７を押さえ付けることができ、確実に接触状態が維持されるようになっている。また、押さえ付けによってシールドケース５自体の形状も変形せずに維持されるようになっている。   Since the upper overlapping portion 16 has a bent piece shape as described above, even if the lower overlapping portion 17 is strongly pressed from the lower side, the lower overlapping portion 17 can be pressed down and contacted reliably. The state is maintained. Further, the shape of the shield case 5 itself is maintained without being deformed by pressing.

シールドケース５において、引用符号１８は光コネクタハウジング４の固定部３に対する逃がし部分を示している。シールドケース５のグランドピン１０は、この逃がし部分１８の隣に配置形成されている。グランドピン１０は、引用符号１９の部分が光コネクタハウジング４のグランドピン案内部１１によって保持されるようになっている。   In the shield case 5, reference numeral 18 indicates an escape portion for the fixed portion 3 of the optical connector housing 4. The ground pin 10 of the shield case 5 is disposed and formed next to the relief portion 18. The ground pin 10 is configured such that the reference numeral 19 is held by the ground pin guide portion 11 of the optical connector housing 4.

図５において、ＦＯＴ７は、光素子封止部２０と複数のＬ字状リードピン２１とを有している。光素子封止部２０は、既知の発光素子及び／又は受光素子を光透過性の樹脂材料によって封止してなる部分として形成されている。複数のＬ字状リードピン２１は、光素子封止部２０からのびるように、また、Ｌ字状になるように形成されている。複数のＬ字状リードピン２１は、真っ直ぐなリードピンに折り曲げを施すことによって形成されている。尚、Ｌ字状リードピン２１における引用符号２２は、基端側ピン部を示している。また、引用符号２３は先端側ピン部を示している。   In FIG. 5, the FOT 7 has an optical element sealing portion 20 and a plurality of L-shaped lead pins 21. The optical element sealing portion 20 is formed as a portion formed by sealing a known light emitting element and / or light receiving element with a light transmissive resin material. The plurality of L-shaped lead pins 21 are formed to extend from the optical element sealing portion 20 and to be L-shaped. The plurality of L-shaped lead pins 21 are formed by bending a straight lead pin. Note that reference numeral 22 in the L-shaped lead pin 21 indicates a proximal end side pin portion. Reference numeral 23 indicates a tip side pin portion.

図２において、カバー部材６は、略矩形板状の部材であって、スライド装着により光コネクタハウジング４のＦＯＴ収容部８を覆うことができるように形成されている。カバー部材６は、ＦＯＴ収容部８に収容されたＦＯＴ７（図５参照）を前方へ押圧して保持するとともに、この保持状態を維持することができるように形成されている。   In FIG. 2, the cover member 6 is a substantially rectangular plate-like member, and is formed so as to cover the FOT accommodating portion 8 of the optical connector housing 4 by slide mounting. The cover member 6 is formed so as to press and hold the FOT 7 (see FIG. 5) accommodated in the FOT accommodating portion 8 forward and to maintain this retained state.

上記構成において、光コネクタハウジング４のＦＯＴ収容部８を介して上記隔壁の筒部にスリーブを装着し、この後にＦＯＴ収容部８に２つのＦＯＴ７をそれぞれ収容すると、ＦＯＴ７の複数のＬ字状リードピン２１は、この各基端側ピン部２２（又は折曲部分２４（図５参照））がＦＯＴ収容部８に形成されたリード保持部（図示省略）に保持される。また、複数のＬ字状リードピン２１は、先端側ピン部２３がＦＯＴ収容部８の下壁内面に載置されつつ外側に突出するような状態で配置される。各先端側ピン部２３は、横一列に並んだ状態に配置される。   In the above configuration, when a sleeve is attached to the cylindrical portion of the partition wall via the FOT accommodating portion 8 of the optical connector housing 4, and then two FOTs 7 are accommodated in the FOT accommodating portion 8, respectively, a plurality of L-shaped lead pins of the FOT 7 21, each base-side pin portion 22 (or the bent portion 24 (see FIG. 5)) is held by a lead holding portion (not shown) formed in the FOT accommodating portion 8. The plurality of L-shaped lead pins 21 are arranged such that the distal end side pin portion 23 protrudes outward while being placed on the inner surface of the lower wall of the FOT accommodating portion 8. The distal end side pin portions 23 are arranged in a horizontal row.

ＦＯＴ７の収容が完了し、この後にＦＯＴ収容部８に対してカバー部材６をスライド装着すると、カバー部材６はＦＯＴ収容部８に対して係止状態になる。最後に、光コネクタハウジング４を覆うようにしてシールドケース５を組み付けると、光コネクタ１が完成する。光コネクタ１は、外側に突出する複数のＬ字状リードピン２１の各先端側ピン部２３を回路基板２の所定位置に差し込み半田付けすることにより、回路基板２に対する実装が完了するようになっている（図１参照）。   When the housing of the FOT 7 is completed and the cover member 6 is slidably mounted on the FOT housing portion 8 after that, the cover member 6 is locked to the FOT housing portion 8. Finally, when the shield case 5 is assembled so as to cover the optical connector housing 4, the optical connector 1 is completed. The optical connector 1 is mounted on the circuit board 2 by inserting and soldering the distal end side pin portions 23 of the plurality of L-shaped lead pins 21 protruding outward to predetermined positions of the circuit board 2. (See FIG. 1).

シールドケース５の組み付け時において、光コネクタハウジング４をシールドケース５によって覆うと、図１（ｂ）に示す如く、シールドケース５の重ね合わせ部１５は、光コネクタハウジング４の押圧部１３によって下側重ね合わせ部１７が上方に押し上げられる。これにより、下側重ね合わせ部１７は上側重ね合わせ部１６に対して押し付けられる。上側重ね合わせ部１６と下側重ね合わせ部１７とが接触し合い、シールドケース５はこの全周にわたっての導通が確保される。シールドケース５は、良好なシールド性能を発揮することができるようになる。   When the optical connector housing 4 is covered with the shield case 5 when the shield case 5 is assembled, the overlapping portion 15 of the shield case 5 is lowered by the pressing portion 13 of the optical connector housing 4 as shown in FIG. The overlapping portion 17 is pushed upward. As a result, the lower overlapping portion 17 is pressed against the upper overlapping portion 16. The upper overlapping portion 16 and the lower overlapping portion 17 come into contact with each other, and the shield case 5 is ensured to be conductive over the entire circumference. The shield case 5 can exhibit good shielding performance.

尚、光コネクタ１は、別工程でシールドケース５の重ね合わせ部１５を接合しなくてもシールドケース５の全周にわたっての導通を確保することができることから、作業工数の低減にも寄与するようになる。   Note that the optical connector 1 can ensure electrical continuity over the entire circumference of the shield case 5 without joining the overlapping portion 15 of the shield case 5 in a separate process, thus contributing to a reduction in work man-hours. become.

次に、図６及び図７を参照しながら押圧部の他の例について説明する。図６（ａ）は重ね合わせ部と押圧部の図、図６（ｂ）及び（ｃ）は押圧部の形状に係る説明図である。また、図７（ａ）は重ね合わせ部と押圧部の図、図７（ｂ）は（ａ）の押圧部の形状に係る説明図、図７（ｃ）及び（ｄ）は更に他の例となる重ね合わせ部と押圧部の図である。   Next, another example of the pressing portion will be described with reference to FIGS. 6 and 7. FIG. 6A is a diagram of the overlapping portion and the pressing portion, and FIGS. 6B and 6C are explanatory diagrams relating to the shape of the pressing portion. 7A is a diagram of the overlapping portion and the pressing portion, FIG. 7B is an explanatory diagram relating to the shape of the pressing portion of FIG. 7A, and FIGS. 7C and 7D are still other examples. It is a figure of the overlapping part and press part which become.

図６（ａ）において、シールドケース３１の重ね合わせ部３２は、上側重ね合わせ部３３（上記上側重ね合わせ部１６と同じであるものとする）と、下側重ね合わせ部３４とからなり、下側重ね合わせ部３４には下向きの押圧部３５が形成されている。下向きの押圧部３５は、図６（ｂ）に示す如くリブ形状、又は、図６（ｃ）に示す如く突起形状に形成されており（打ち出し加工を施すことにより形成される）、先端が光コネクタハウジング４の上壁１４に当接すると、下側重ね合わせ部３４が押し上げられて接触面３６が上側重ね合わせ部３３に面接触するようになっている。   6A, the overlapping portion 32 of the shield case 31 includes an upper overlapping portion 33 (which is the same as the upper overlapping portion 16) and a lower overlapping portion 34. A downward pressing portion 35 is formed on the side overlapping portion 34. The downward pressing portion 35 is formed in a rib shape as shown in FIG. 6B or a protrusion shape as shown in FIG. 6C (formed by a punching process), and the tip is light. When contacting the upper wall 14 of the connector housing 4, the lower overlapping portion 34 is pushed up so that the contact surface 36 comes into surface contact with the upper overlapping portion 33.

図７（ａ）において、シールドケース４１の重ね合わせ部４２は、上側重ね合わせ部４３（上記上側重ね合わせ部１６、３３と同じであるものとする）と、下側重ね合わせ部４４とからなり、下側重ね合わせ部４４には下向きの押圧部４５が形成されている。下向きの押圧部４５は、図７（ｂ）に示す如くリブ形状に形成されており（端部を曲げることによりリブ形状に形成される）、先端が光コネクタハウジング４の上壁１４に当接すると、下側重ね合わせ部４４が押し上げられて接触面４６が上側重ね合わせ部４３に面接触するようになっている。   7A, the overlapping portion 42 of the shield case 41 includes an upper overlapping portion 43 (which is the same as the upper overlapping portions 16 and 33) and a lower overlapping portion 44. A downward pressing portion 45 is formed in the lower overlapping portion 44. The downward pressing portion 45 is formed in a rib shape as shown in FIG. 7B (formed in a rib shape by bending the end portion), and the tip abuts against the upper wall 14 of the optical connector housing 4. Then, the lower overlapping portion 44 is pushed up and the contact surface 46 comes into surface contact with the upper overlapping portion 43.

図７（ｃ）において、シールドケース５１の重ね合わせ部５２は、上側重ね合わせ部５３（上記上側重ね合わせ部１６等と同じであるものとする）と、下側重ね合わせ部５４とからなり、下側重ね合わせ部５４には上向きの押圧部５５が形成されている。上向きの押圧部５５は、図６（ｂ）に示す如くリブ形状、又は、図６（ｃ）に示す如く突起形状に形成されており（打ち出し加工を施すことにより形成される）、下側重ね合わせ部５４の下面５６が光コネクタハウジング４の上壁１４に当接すると、押圧部５５が上側重ね合わせ部５３を押し上げるような格好で線接触又は点接触するようになっている。   In FIG. 7C, the overlapping portion 52 of the shield case 51 includes an upper overlapping portion 53 (assuming the same as the upper overlapping portion 16 and the like) and a lower overlapping portion 54. An upward pressing portion 55 is formed in the lower overlapping portion 54. The upward pressing portion 55 is formed in a rib shape as shown in FIG. 6B or a protrusion shape as shown in FIG. When the lower surface 56 of the mating portion 54 comes into contact with the upper wall 14 of the optical connector housing 4, the pressing portion 55 makes a line contact or a point contact so as to push up the upper overlapping portion 53.

図７（ｄ）において、シールドケース５１の重ね合わせ部５２は、上側重ね合わせ部５３（上記上側重ね合わせ部１６等と同じであるものとする）と、下側重ね合わせ部５４とからなり、下側重ね合わせ部５４には上向きの押圧部５５が形成されている。また、押圧部に関しては、光コネクタハウジング４の上壁１４にも押圧部１３が形成されている。上向きの押圧部５５は、上記の如くの形状に形成されており、下側重ね合わせ部５４の下面５６（又は押圧部５５の反対側部分）が光コネクタハウジング４の押圧部１３に当接すると、下側重ね合わせ部５４は押し上げられ、そして、押圧部５５が上側重ね合わせ部５３を押し上げるような格好で線接触又は点接触するようになっている。   7D, the overlapping portion 52 of the shield case 51 includes an upper overlapping portion 53 (which is the same as the upper overlapping portion 16 and the like) and a lower overlapping portion 54. An upward pressing portion 55 is formed in the lower overlapping portion 54. As for the pressing portion, the pressing portion 13 is also formed on the upper wall 14 of the optical connector housing 4. The upward pressing portion 55 is formed in the shape as described above, and when the lower surface 56 (or the portion opposite to the pressing portion 55) of the lower overlapping portion 54 comes into contact with the pressing portion 13 of the optical connector housing 4. The lower overlapping portion 54 is pushed up, and the pressing portion 55 makes line contact or point contact in such a manner that the upper overlapping portion 53 is pushed up.

この他、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。   In addition, the present invention can of course be modified in various ways within the scope not changing the gist of the present invention.

本発明のシールドケースの接触構造の一実施の形態を示す図であり、（ａ）は光コネクタの回路基板実装状態の斜視図、（ｂ）は重ね合わせ部と押圧部の拡大図である。It is a figure which shows one Embodiment of the contact structure of the shield case of this invention, (a) is a perspective view of the circuit board mounting state of an optical connector, (b) is an enlarged view of an overlapping part and a press part. カバー部材側から見た光コネクタの斜視図である。It is a perspective view of the optical connector seen from the cover member side. 光コネクタハウジングの斜視図である。It is a perspective view of an optical connector housing. シールドケースの斜視図である。It is a perspective view of a shield case. ＦＯＴの斜視図である。It is a perspective view of FOT. 押圧部の他の例を示す図であり、（ａ）は重ね合わせ部と押圧部の図、（ｂ）及び（ｃ）は押圧部の形状に係る説明図である。It is a figure which shows the other example of a press part, (a) is a figure of an overlapping part and a press part, (b) And (c) is explanatory drawing which concerns on the shape of a press part. 押圧部の更に他の例を示す図であり、（ａ）は重ね合わせ部と押圧部の図、（ｂ）は（ａ）の押圧部の形状に係る説明図、（ｃ）及び（ｄ）は更に他の例となる重ね合わせ部と押圧部の図である。It is a figure which shows the further another example of a press part, (a) is a figure of an overlapping part and a press part, (b) is explanatory drawing which concerns on the shape of the press part of (a), (c) and (d) FIG. 10 is a diagram of an overlapping portion and a pressing portion as still another example.

符号の説明Explanation of symbols

１ 光コネクタ
２ 回路基板
３ 固定部
４ 光コネクタハウジング
５ シールドケース
６ カバー部材
７ ＦＯＴ
８ ＦＯＴ収容部
９ コネクタ嵌合
１０ グランドピン
１１ グランドピン案内部
１２ 角部分
１３ 押圧部
１４ 上壁
１５ 重ね合わせ部
１６ 上側重ね合わせ部
１７ 下側重ね合わせ部
２０ 光素子封止部
２１ Ｌ字状リードピン DESCRIPTION OF SYMBOLS 1 Optical connector 2 Circuit board 3 Fixed part 4 Optical connector housing 5 Shield case 6 Cover member 7 FOT
DESCRIPTION OF SYMBOLS 8 FOT accommodating part 9 Connector fitting 10 Ground pin 11 Ground pin guide part 12 Corner | angular part 13 Press part 14 Upper wall 15 Overlapping part 16 Upper overlapping part 17 Lower overlapping part 20 Optical element sealing part 21 L-shape Lead pin

Claims (3)

導電性を有する金属板を折り曲げて略箱状に形成され、発光側ＦＯＴ（Fiber Optic Transceiver ）及び受光側ＦＯＴを覆うように、又は、後部に形成されるＦＯＴ収容部に該発光側ＦＯＴ及び受光側ＦＯＴを収容した状態の光コネクタハウジングを覆うように組み付けられるシールドケースの接触構造において、
前記シールドケースは、導電性を有する金属板を折り曲げ加工することにより前記光コネクタハウジング４を挿入する前後方向が開口するような略箱状の形状に形成し、閉じる部分の端部同士の位置において上側重ね合わせ部と下側重ね合わせ部とからなる重ね合わせ部を形成してなり、
前記重ね合わせ部は、前記光コネクタハウジングを挿入する前後方向に真っ直ぐのびるように形成し、
前記上側重ね合わせ部と前記下側重ね合わせ部の前記重ね合わせ部に対応する位置の前記光コネクタハウジングの上壁に押圧部を形成し、
前記シールドケースを前記ＦＯＴ又は前記光コネクタハウジングに組み付けると、前記押圧部により前記下側重ね合わせ部を前記上側重ね合わせ部に押圧し、前記上側重ね合わせ部と前記下側重ね合わせ部とが接触し合うことにより前記シールドケースの全周にわたっての導通を確保するように構成した
ことを特徴とするシールドケースの接触構造。 By bending a metal plate having conductivity is formed in a substantially box shape, so as to cover the light-emitting side FOT (Fiber Optic Transceiver) and the light receiving side FOT, or, the light-emitting side FOT and received by the FOT accommodating portion formed in the rear In the contact structure of the shield case assembled so as to cover the optical connector housing in a state in which the side FOT is accommodated,
The shield case is formed into a substantially box-like shape that opens in the front-rear direction in which the optical connector housing 4 is inserted by bending a conductive metal plate, and at the position between the ends of the closed portions. Forming an overlapping portion composed of an upper overlapping portion and a lower overlapping portion ;
The overlapping portion is formed so as to extend straight in the front-rear direction for inserting the optical connector housing,
Forming a pressing portion on the upper wall of the optical connector housing at a position corresponding to the overlapping portion of the upper overlapping portion and the lower overlapping portion;
When the shield case is assembled to the FOT or the optical connector housing, the lower overlapping portion is pressed against the upper overlapping portion by the pressing portion, and the upper overlapping portion and the lower overlapping portion are in contact with each other. A contact structure for a shield case, wherein the shield case is configured to ensure electrical conduction over the entire circumference of the shield case. 請求項１に記載のシールドケースの接触構造において、
前記押圧部は、前記光コネクタハウジングを挿入する前後方向に真っ直ぐのびる突起形状又はリブ形状に形成されるものである
ことを特徴とするシールドケースの接触構造。 In the shield case contact structure according to claim 1,
The pressing portion, the contact structure of the shield case, wherein the optical connector is intended to be formed in a straight extending protrusion shape or ribs in the longitudinal direction of inserting the housing. 請求項１又請求項２に記載のシールケースの接触構造において、
前記上側重ね合わせ部は、折り曲げ片となる形状に形成され、該折り曲げ片となる形状の上側重ね合わせ部は、前記略箱状のシールドケースの角部分に配置形成されるものである
ことを特徴とするシールドケースの接触構造。 In the contact structure of the seal case according to claim 1 or claim 2,
Characterized in that the upper overlapping section is a shape of a bent piece, the upper overlapping portion of the shape which is the bent piece is intended to be arranged and formed at the corner portions of the substantially box-shaped shield case Shield case contact structure.
JP2007263891A 2007-10-10 2007-10-10 Shield case contact structure Active JP5111996B2 (en)

Priority Applications (3)

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JP2007263891A JP5111996B2 (en) 2007-10-10 2007-10-10 Shield case contact structure
DE102008050526.9A DE102008050526B4 (en) 2007-10-10 2008-10-06 Contact structure of a shielding housing
GB0818141.4A GB2453644B (en) 2007-10-10 2008-10-06 Contact structure of shield case

Applications Claiming Priority (1)

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JP2007263891A JP5111996B2 (en) 2007-10-10 2007-10-10 Shield case contact structure

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DE102008050526A1 (en) 2009-04-23
DE102008050526B4 (en) 2015-10-29
GB0818141D0 (en) 2008-11-12
GB2453644B (en) 2012-04-18
JP2009094305A (en) 2009-04-30
GB2453644A (en) 2009-04-15

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