JP2004311693A

JP2004311693A - Cap mounting structure of mobile terminal device

Info

Publication number: JP2004311693A
Application number: JP2003102828A
Authority: JP
Inventors: Yasuyuki Honma; 恭幸本間
Original assignee: NEC AccessTechnica Ltd
Current assignee: NEC Platforms Ltd
Priority date: 2003-04-07
Filing date: 2003-04-07
Publication date: 2004-11-04

Abstract

<P>PROBLEM TO BE SOLVED: To provide the cap mounting structure of a mobile terminal device which is easy to put in the plug and can keep a good outer appearance when a cap is mounted, and has the wider selection of a material for the cap. <P>SOLUTION: In the cap mounting structure of the mobile terminal device which is such that the cap is set up in a hole to be closed which is formed in the mobile terminal device to close the hole, the cap (ear phone cap 22) has a nearly rectangular shape and has, on one end, an engagement projection (connecting section 22c) to be engaged with an engagement hole (connecting hole 21c) formed inside the hole to be closed (mounting hole 21a). In order to open or close the hole to be closed, all that has to be done is to turn the cap by applying a force on the other end thereof. Due to this structure, the hole to be closed can be opened or closed only by turning the ear phone cap, resulting in allowing the user to easily open or close the hole to be closed. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

【０００１】
【発明の属する技術分野】
本発明は、携帯端末装置のキャップ装着構造に関し、特に、プラグを差し込む際におけるキャップの使い勝手が良く、キャップをロック可能としつつキャップを装着させた際の美観を確保でき、キャップの材質選択の幅を広げた携帯端末装置のキャップ装着構造に関する。
【０００２】
【従来の技術】
一般に、携帯端末装置の一例としての携帯電話機は、イヤホンマイク・ジャックを備えており、該ジャックにイヤホンマイク・プラグを指し込み、イヤホンマイクにより、例えば電車の中で音楽を聴いたり、手を自由にして（ハンドフリー）、自動車の運転中であっても携帯電話機を手に持たずに通話が可能になる。
【０００３】
イヤホンマイク・ジャックは、例えば携帯電話機側面の奥内部に配設され、イヤホンマイクを使用しない場合は、イヤホンキャップを装着することにより、イヤホンマイク・ジャックを封止しておく。この封止の理由は、イヤホンマイク・ジャック内の金属コネクタが、塵埃や水等により接触不良を起こすのを防止するためである。
【０００４】
ここで、従来の携帯電話機のイヤホンキャップおよびその装着構造を、図面を参照しつつ説明する。
図７は、従来の折畳式携帯電話機の操作部のみの斜視図であって、（Ａ）はイヤホンキャップを装着した状態、（Ｂ）はイヤホンキャップを外した状態を示す。
図７（Ａ），（Ｂ）に示すように、操作部１００は操作部本体１０１の上面に多数のキー１０２を備え、操作部本体１０１の左側面に、細長で厚さ１ｍｍ程度のイヤホンキャップ１０３を装着してなる。
イヤホンキャップ１０３は、前述のようにイヤホンマイク・ジャック１０４を塵埃等から保護する機能を有し、材質は折り曲げ自在な弾性体等からなる。
【０００５】
そして、図７（Ｂ）に示すように、イヤホンキャップ１０３をほぼ直角に折り曲げてイヤホンマイク・ジャック１０４を露呈させ、図示省略のイヤホンやマイクが接続されたイヤホンマイク・プラグ１０５を差し込んで、ジャックとプラグを接続する。
また、１０３ａは、イヤホンキャップ１０３を折り曲げ易いように形成した溝、１０３ｂは、操作部本体１０１に形成した係合穴（図示省略）に係合し、イヤホンキャップ１０３を操作部本体１０１にしっかり装着しておくための係止突起である。
さらに、イヤホンキャップ１０３の端部に爪を引っかけて持ち上げ易いように、筐体側には爪を入れるための凹部（座繰り部１０６）が形成されている。
【０００６】
ここで、イヤホンキャップ１０３に類似の従来技術として、例えば、特許文献１，特許文献２が知られている。
特許文献１の提案は、「筐体が開口部を有し、該開口部がキャップにより閉塞される携帯用電子機器に於いて、筐体の内面に開口部を囲繞する様に囲いリブを形成し、切断されたキャップの一部が前記囲いリブにより携帯電話機に侵入することが阻止され、筐体を分解することなくキャップの一部を取出すことができ、キャップの交換作業が容易になる」というものである。
【０００７】
また、特許文献２の提案は、特許文献１の欠点（イヤホンキャップの係合部破片が装置本体内に落下する）を解決するためのものであって「携帯端末装置において、装着部と支持部とを有する取付孔が形成された筐体と、この取付孔に装着されるイヤホンキャップとを備え、筐体とイヤホンキャップは少なくともそのいずれか一方が弾性体で形成され、イヤホンキャップは取付孔との係合部を備え、この係合部は装着部に対しては着脱自在に構成され、支持部に対しては筐体から離脱する方向への動きが規制された状態で保持されるよう構成されたことを特徴とする」というものである。
【０００８】
【特許文献１】
特開平１０−２２６５４号公報（第２頁、第１図）
【特許文献２】
特開２００２−９９１１号公報（第５頁、第５図）
【０００９】
【発明が解決しようとする課題】
しかしながら、以上のような従来のイヤホンキャップには、以下のような問題点があった。
まず、図７（Ａ），（Ｂ）に示したイヤホンキャップでは、イヤホンキャップ１０３の端部に爪を引っかけて持ち上げるようにして開ける構造となっており、筐体側に爪を入れるための凹部（座繰り部）が設けられていた（図７の座繰り部１０６参照）。ところが、この凹部が、小さいと爪が挿入しづらくなり、大きいと携帯端末の外観を損ねるという解決困難な問題を生じさせていた。
また、イヤホンマイク・プラグ１０５を差し込む際に、イヤホンキャップ１０３を略９０°曲げて開状態にする。そして、この開状態をユーザの指で押さえて維持しつつ（図７（Ｂ））、イヤホンマイク・プラグ１０５を差し込まなければならないので、ユーザにとって、非常に使い勝手が悪かった。
また、ユーザが強くイヤホンキャップ１０３を引っ張って開状態にしてしまうと、溝１０３ａに折り癖が付いてしまい、イヤホンキャップ１０３の装着状態が不完全となり、操作部本体１０１の側面から浮いてしまうという欠点があった。
【００１０】
また、イヤホンキャップ１０３が操作部本体１０１から浮いてしまう状態を避ける為、イヤホンキャップ１０３に係止突起１０３ｂを設けて、強制的に操作部本体へ係止固定していた。しかし、係止突起１０３ｂの嵌合量が少ないとイヤホンキャップ１０３が操作部本体１０１から浮いてしまい、逆に係止突起１０３ｂの嵌合量が多いとイヤホンキャップ１０３が外れ難くなる。つまり、美観上のバラツキおよび使い勝手上のバラツキが発生しやすいという欠点があった。
さらには、イヤホンキャップ１０３は前述のように折り曲げて開閉動作を行う為、イヤホンキャップ１０３の材質として弾性体を使わなければならないという、設計上の制約条件があった。
【００１１】
一方、特許文献１及び特許文献２記載のイヤホンキャップでは、何れも閉塞対象穴をキャップで開閉する場合には、キャップを折り曲げて開閉しているため、開閉の際にキャップを折り曲げるための力が必要となり、使い勝手が悪く、指等に痛みが生じるおそれもあった。
さらに、以上のような各従来技術は、いずれも、キャップについてロックすることができず、キャップが不用意に開閉してしまうおそれもあった。
【００１２】
本発明は、前記問題を解決するためになされたものであり、プラグを差し込む際における使い勝手が良く、キャップをロック可能としつつキャップを装着させた際の美観を確保でき、キャップの材質選択の幅を広げた携帯端末装置のキャップ装着構造の提供を目的とする。
【００１３】
【課題を解決するための手段】
前記目的を達成するために請求項１記載の発明は、携帯端末装置に設けた閉塞対象穴にキャップを装着して塞ぐ携帯端末装置のキャップ装着構造において、前記キャップは略長方形をなし、該キャップの一端側には、前記閉塞対象穴の内部に設けた係合孔に係合する係合突起を備え、前記閉塞対象穴を開閉する際には、該キャップの他端側に力を加えて回転するようにした構成としてある。
【００１４】
このようにすれば、例えば図４（Ａ）〜（Ｃ）に示すように、イヤホンキャップ２２の一端側に係合突起（係着部２２ｃ）を設け、閉塞対象穴（装着穴２１ａ）に設けた係合孔（係着孔２１ｃ）に係合突起を係合しているので、閉塞対象穴を開閉する際には、イヤホンキャップ２２の他端（引掛切欠２２ａの近辺）にユーザの指で力を加えて回転させ、閉塞対象穴を開閉できる。即ち、イヤホンキャップの回転のみで閉塞対象穴を開閉できるので、閉塞対象穴をイヤホンキャップで開閉する際の使い勝手が良い。
また、このように回転のみでイヤホンキャップを開閉できる本発明では、従来のようにイヤホンキャップの端部に爪を引っかけるための凹部（座繰り部）を筐体側に設ける必要がなくなり、凹部が小さいと爪が入れづらく、大きいと美観を損ねるといった問題が一切生じなくなる。
【００１５】
次に請求項２記載の発明は、請求項１記載の携帯端末装置のキャップ装着構造において、前記閉塞対象穴をキャップにより閉塞した場合に、該キャップを閉塞対象穴にロックするためのロック手段を備えた構成としてある。
このようにすれば、例えば図４（Ａ）〜（Ｃ）に示すように、ロック手段としてイヤホンキャップ２２に係合凸部２２ｂを設け、本体側壁２１ｂに係合凹部２１ｄを設けているので、イヤホンキャップ２２を閉じた場合は、係合凸部２２ｂと係合凹部２１ｄとを係合させて、ロックすることができる。これにより、キャップが不用意に開閉することを防止できる。
【００１６】
次に請求項３記載の発明は、請求項２記載の携帯端末装置のキャップ装着構造において、前記ロック手段は、前記キャップの他端側側面部と該他端側側面部に対向する閉塞対象穴側面部との間に設けた構成としてある。
このようにすれば、例えば図４（Ａ）〜（Ｃ）に示すように、イヤホンキャップ２２の側面に係合凸部２２ｂを設け、本体側壁２１ｂの内部側面に係合凹部２１ｄを設けている。従って、イヤホンキャップ２２を閉じてロック状態にした場合は、イヤホンキャップ２２の外側面と本体側壁２１ｂの外側面とが一致するので（図４（Ａ）参照）、本体側壁とイヤホンキャップのロック状態の外から見た美観を、バラツキ無しに確保できる。
【００１７】
次に請求項４記載の発明は、請求項１〜請求項３記載の携帯端末装置のキャップ装着構造において、前記閉塞対象穴は、前記キャップを、外部から当該携帯端末装置の中心部方向に押し込んだ場合に、押し込まれたキャップを受け入れる逃げ凹部を備えた構成としてある。
このようにすれば、例えば図５（Ａ），（Ｂ）に示すように、閉塞対象穴（装着穴２１ａ）には逃げ凹部２１ｅを形成しているので、引掛切欠２２ａ近辺を押して、係合凸部２２ｂと係合凹部２１ｄのロック状態を解除することができる。
【００１８】
次に請求項５記載の発明は、請求項４記載の携帯端末装置のキャップ装着構造において、前記逃げ凹部を、前記ロック手段の近辺に設けた構成としてある。
このようにすれば、例えば図５（Ａ），（Ｂ）に示すように、閉塞対象穴（装着穴２１ａ）には逃げ凹部２１ｅを形成しているので、引掛切欠２２ａ近辺を押して、係合凸部２２ｂと係合凹部２１ｄのロック状態を解除することができる。
【００１９】
次に請求項６記載の発明は、請求項４記載の携帯端末装置のキャップ装着構造において、前記逃げ凹部を、前記閉塞対象穴のほぼ中央部に設けた構成としてある。
このようにすれば、例えば図６（Ａ），（Ｂ）に示すように、閉塞対象穴（装着穴２１ａ）の中央部に逃げ凹部２１ｆを形成しているので、イヤホンキャップ２２の中央部近辺を押して、係合凸部２２ｂと係合凹部２１ｄのロック状態を解除することができる。
【００２０】
次に請求項７記載の発明は、請求項１〜請求項６記載の携帯端末装置のキャップ装着構造において、前記携帯端末装置は、携帯電話機である構成としてある。このようにすれば、例えば図１，図２に示すように、イヤホンマイク・プラグ１０５を差し込む際における使い勝手が良く、イヤホンキャップ２２を装着させた際の美観を確保でき、イヤホンキャップ２２の設計上の材質選択の幅を広げたイヤホンキャップ２２の装着構造を提供できる。
【００２１】
【発明の実施の形態】
以下、本発明を図示の実施形態に基づいて説明する。なお、既に説明済みの部分には同一符号を付し、重複説明を省略する。
【００２２】
（１）第１の実施形態
まず、本発明の携帯端末装置のキャップ装着構造の第１の実施形態について説明する。
図１は本実施形態の携帯電話機（全体構成）にイヤホンキャップを装着した状態の斜視図、図２は携帯電話機（操作部のみ）のイヤホンキャップを開いた状態の斜視図である。
図１，図２に示すように、折畳式の携帯電話機ＫＤは、表示部１０と操作部２０とヒンジ部３０とを備えてなる。
表示部１０は液晶等からなり、文字，画像等を表示する。
ヒンジ部３０は、表示部１０と次に説明する操作部２０とを開閉自在に結合し、表示部１０と操作部２０とを開いた状態でロックする。
【００２３】
操作部２０は、操作部本体２１とイヤホンキャップ２２とキー１０２とを備えてなる。
操作部本体２１は、例えば左手の掌に載る大きさであり、厚さは約１０ｍｍである。
操作部本体２１の左側面には、イヤホンキャップ２２を装着する略長方形の装着穴２１ａが形成されており（後述）、この装着穴２１ａの奥にはイヤホンマイク・プラグ１０５を圧入接続するイヤホンマイク・ジャック１０４が配置されている。
イヤホンキャップ２２の表面には、次に説明する引掛切欠２２ａと係合凸部２２ｂとが形成されている。イヤホンキャップ２２の材質については、後述する。
【００２４】
次に、図３（Ａ）〜（Ｃ）および図４（Ａ）〜（Ｃ）を参照しつつ、イヤホンキャップの装着構造について詳細に説明する。
図３はイヤホンキャップの装着構造を構成する部品図であって、（Ａ）はイヤホンキャップの側面図、（Ｂ）はイヤホンキャップの正面図、（Ｃ）は本体側壁の装着穴の図１のＩ−Ｉ線に沿う断面図、（Ｄ）は装着穴のＩＩＩ−ＩＩＩ線に沿う一部断面を含む正面図である。
【００２５】
図３（Ａ），（Ｂ）に示すように、細長のイヤホンキャップ２２の大きさは、縦×横が約１７ｍｍ×７ｍｍ、厚さが約１ｍｍである。イヤホンキャップ２２の背面側左方には、次に説明する本体側壁２１ｂに設けた係着孔２１ｃに圧入する係着部２２ｃを突設形成する。係着部２２ｃには切欠２２ｄが形成してあり、係着孔２１ｃに圧入する際に切欠２２ｄが狭まり、圧入し易くしてある。
【００２６】
イヤホンキャップ２２の左端部側は半円状に形成し、右端部側には、次に説明する本体側壁２１ｂに設けた係合凹部２１ｄに係合する係合凸部２２ｂを形成する。係合凸部２２ｂの上面は平坦にし、下方に向けて滑らかに湾曲させる。また、イヤホンキャップ２２の前面には引掛切欠２２ａを形成し、ユーザがイヤホンキャップ２２を反時計方向に回転させる際に、この引掛切欠２２ａに例えば左手親指の先端を引掛けて回転させる（後述）。
【００２７】
次に、装着穴２１ａについて説明する。
図３（Ｃ），（Ｄ）に示すように、本体側壁２１ｂにはイヤホンキャップ２２を装着する装着穴２１ａを形成する。装着穴２１ａは深さがイヤホンキャップ２２の厚みと略同じであり、横幅はイヤホンキャップ２２の横幅より僅かに広く、縦幅はイヤホンキャップ２２の縦幅と同じである。
【００２８】
また、装着穴２１ａの左方に前記イヤホンキャップの係着部２２ｃを圧入する係着孔２１ｃを形成する。係着孔２１ｃの左下の装着穴２１ａの隅部には、丸みを持たせる。この丸みは前記イヤホンキャップ２２の左端部の半円と同一半径にする。このようにすれば、イヤホンキャップ２２を、係着部２２ｃを中心に回転させた場合に、スムーズに回転させることが可能となり、また、隙間から塵埃等の侵入を防止できる。
【００２９】
また、装着穴２１ａの右端部に段差を持たせた係合凹部２１ｄを形成する。係合凹部２１ｄの上部は平坦であり、下方に向けて湾曲させてある。即ち、前記イヤホンキャップ２２の係合凸部２２ｂと同一形状である。
このようにすれば、イヤホンキャップ２２を時計方向に回転させて装着穴２１ａに装着させる際にスムーズに装着させることが可能となり、イヤホンキャップ２２の係合凸部２２ｂの平坦部と装着穴２１ａの係合凹部２１ｄの平坦部とが噛み合うので、取り扱いの際の軽い衝撃程度では、外れることが無い。
【００３０】
次に本実施形態におけるイヤホンキャップの装着，開閉動作について、図４（Ａ）〜（Ｃ）を参照しつつ説明する。
図４はイヤホンキャップの装着構造を示す図であって、（Ａ）は本体側壁にイヤホンキャップを装着状態の図１のＩ−Ｉ線に沿う断面図、（Ｂ）は同じく装着状態のＩＶ−ＩＶ線に沿う一部断面を含む側面図、（Ｃ）は同じく装着状態の係合凸部と係合凹部の一部断面を含む拡大図である。
図４（Ａ）〜（Ｃ）に示すように、イヤホンキャップ２２の係着部２２ｃを、装着穴２１ａの係着孔２１ｃに圧入する。この圧入の際には切欠２２ｄが狭まり、また、切欠２２ｄの周囲には面取りを形成してあるので、容易に圧入することができる。
【００３１】
このイヤホンキャップ２２を係着孔２１ｃに圧入した状態で、イヤホンキャップ２２を、係着部２２ｃを回転中心にして時計方向に回転させ、イヤホンキャップ２２の係合凸部２２ｂが装着穴２１ａの係合凹部２１ｄに圧入するまで、押し込む。この際、係合凸部２２ｂは湾曲しているので、係合凹部２１ｄにスムーズに圧入することができる。
また、この圧入状態では、係合凸部２２ｂの平坦部と係合凹部２１ｄの平坦部とが互いに掛止状態（軽いロック状態）になるので、通常の携帯電話機の取り扱い程度の衝撃では、外れることが無い。更に図４（Ａ）に示すように、イヤホンキャップ２２を閉じてロック状態にした場合は、イヤホンキャップ２２の外側面と本体側壁２１ｂの外側面とが一致するので、イヤホンキャップ２２が浮いたりする事が無くなり、美観をバラツキ無しに確保できる。
【００３２】
逆に、装着状態（図４（Ｂ））からイヤホンキャップ２２を外すには、引掛切欠２２ａに例えば左手親指の先端を引掛け、指の摩擦力を利用して反時計方向に力を加えて回転させる。すると、係合凸部２２ｂと係合凹部２１ｄの掛止状態が開放され、イヤホンキャップ２２は反時計方向に回転し、イヤホンマイク・ジャック１０４が露呈する（図２参照）。
この露呈状態で、イヤホンマイク・プラグ１０５を挿入接続する。この図２に示した状態では、装着穴２１ａの係着孔２１ｃの直径を、係着部２２ｃの回転接触部より小さくしてあるので、イヤホンキャップ２２を操作部２２の平面に対して、略直角に維持することができる。
【００３３】
（２）第２の実施形態
次に、本発明の携帯端末装置のキャップ装着構造の第２の実施形態について説明する。
図５は本実施形態の作用を示す図であって、（Ａ）はイヤホンキャップと本体側壁とがロック状態にある場合の図１のＩ−Ｉ線に沿う断面図、（Ｂ）はロック状態を外した場合のＩ−Ｉ線に沿う断面図である。
図５（Ａ）に示すように、本体側壁２１ｂの右端部側には逃げ凹部２１ｅを形成し、係合凹部２１ｄは第１の実施形態の場合よりやや広くする。イヤホンキャップ２２の係合凸部２２ｂは第１の実施形態の場合と同一である。
【００３４】
そして、装着穴２１ａを開く場合は、図５（Ｂ）に示すように、引掛切欠２２ａの近傍を指で逃げ凹部２１ｅ側に押し込むと、係合凸部２２ｂと係合凹部２１ｄのロック状態が解除される。
このロック解除の状態でイヤホンキャップ２２を、係着部２２ｃを中心にして反時計方向に回転させ、図２に示したようにイヤホンマイク・ジャック１０４を露呈させる。
【００３５】
逆に、装着穴２１ａを閉じる場合には、イヤホンキャップ２２を、係着部２２ｃを回転中心にして時計方向に回転させ、イヤホンキャップ２２の係合凸部２２ｂが装着穴２１ａの係合凹部２１ｄに圧入するまで、押し込む。
このようにすれば、装着穴２１ａに対するイヤホンキャップ２２による開閉を、容易に片手で行うことが可能となる。
【００３６】
（３）第３の実施形態
さらに、本発明の携帯端末装置のキャップ装着構造の第３の実施形態について説明する。
図６は本実施形態の作用を示す図であって、（Ａ）はイヤホンキャップと本体側壁とがロック状態にある場合の図１のＩ−Ｉ線に沿う断面図、（Ｂ）はロック状態を外した場合のＩ−Ｉ線に沿う断面図である。
図６（Ａ）に示すように、本体側壁２１ｂの中央部には逃げ凹部２１ｆを形成する。係合凹部２１ｄおよびイヤホンキャップ２２の係合凸部２２ｂは第１の実施形態の場合と同一である。
【００３７】
そして、装着穴２１ａを開く場合は、図６（Ｂ）に示すように、中央部に設けた引掛切欠２２ａの近傍を指で逃げ凹部２１ｆ側に押し込むと、イヤホンキャップ２２は弓なりの形状となり、係合凸部２２ｂと係合凹部２１ｄのロック状態が解除される。このロック解除の状態でイヤホンキャップ２２を、係着部２２ｃを中心にして反時計方向に回転させ、図２に示したようにイヤホンマイク・ジャック１０４を露呈させる。
逆に、装着穴２１ａを閉じる場合には、イヤホンキャップ２２を、係着部２２ｃを回転中心にして時計方向に回転させ、イヤホンキャップ２２の係合凸部２２ｂが装着穴２１ａの係合凹部２１ｄに圧入するまで、押し込む。
このような構成にしても、装着穴２１ａに対するイヤホンキャップ２２による開閉を、容易に片手で行うことが可能となる。
【００３８】
以上、本発明の好ましい実施形態を示して説明したが、本発明に係る携帯端末装置のキャップ装着構造は、上述した実施形態にのみ限定されるものではなく、本発明の範囲で種々の変更実施が可能であることは言うまでもない。
上述の各実施形態では携帯電話機の場合を説明したが、これ以外の携帯可能な端末装置、例えばＰＤＡ（個人向け携帯情報端末）や音楽聴取用携帯端末等にも、本発明を使用可能であるのは勿論である。
また、前記各実施形態では携帯電話機のイヤホンキャップの場合を説明したが、例えば携帯電話機への小型キーボードの接続用コネクタ，ＵＳＢ端子等を収容した閉塞対象穴にも、本発明を使用可能であるのは勿論である。
【００３９】
さらに、前記各実施形態は、イヤホンキャップ２２を回転させる際にイヤホンキャップ２２を大きく変形させる必要がないので、イヤホンキャップの素材が弾性体に限定されることなく、硬質の樹脂素材を選択することも可能である。
ここに、一般に弾性体への塗装処理は困難であるが、樹脂材料へは塗装処理が容易に対応可能であり、表示部および操作部と同一の色調にすることが可能になり、非常にデザイン性に優れた携帯電話機や携帯端末装置とすることができる。
【００４０】
【発明の効果】
以上説明したように本発明によれば、以下の効果を発揮することができる。
請求項１記載の発明によれば、キャップの一端側に係合突起設け、閉塞対象穴に設けた係合孔に係合突起を係合しているので、閉塞対象穴を開閉する際には、キャップの他端にユーザの指で力を加えて回転させ、閉塞対象穴を開閉できる。
即ち、キャップの回転のみで閉塞対象穴を開閉できる。
また、このように回転のみでイヤホンキャップを開閉できることで、従来のようにイヤホンキャップの端部に爪を引っかけるための凹部（座繰り部）を筐体側に設ける必要がなく、凹部が小さいと爪が入れづらく、大きいと美観を損ねるといった解決困難な問題は一切生じなくなる。
【００４１】
請求項２記載の発明によれば、ロック手段として、キャップに例えば係合凸部を設け、本体側壁に係合凹部を設けているので、キャップを閉じた場合は、係合凸部と係合凹部とを係合させてロックすることができる。これにより、キャップが不用意に開閉することを防止できる。
【００４２】
請求項３記載の発明によれば、例えば図４（Ａ）〜（Ｃ）に示すように、イヤホンキャップの側面に係合凸部を設け、本体側壁の内部側面に係合凹部を設けている。従って、イヤホンキャップを閉じてロック状態にした場合は、イヤホンキャップの外側面と本体側壁の外側面とが一致するので、外側面の美観をバラツキ無しに確保できる。
【００４３】
請求項４記載の発明によれば、例えば図５（Ａ），（Ｂ）に示すように、閉塞対象穴には逃げ凹部を形成しているので、ロック状態を解除する場合は、引掛切欠辺を押して、係合凸部と係合凹部のロック状態を解除し、イヤホンキャップを回転させ、閉塞対象穴を開くことができる。
【００４４】
請求項５記載の発明によれば、請求項４の場合と同様に、例えば図５（Ａ），（Ｂ）に示すように、閉塞対象穴には逃げ凹部を形成しているので、ロック状態を解除する場合は、引掛切欠辺を押して、係合凸部と係合凹部のロック状態を解除し、イヤホンキャップを回転させ、閉塞対象穴を開くことができる。
【００４５】
請求項６記載の発明によれば、例えば図６（Ａ），（Ｂ）に示すように、閉塞対象穴の中央部に逃げ凹部を形成しているので、ロック状態を解除する場合は、イヤホンキャップの中央部近辺を押して、係合凸部と係合凹部のロック状態を解除し、イヤホンキャップを回転させ、閉塞対象穴を開くことができる。
【００４６】
請求項７記載の発明によれば、例えば図１，図２に示すように、イヤホンマイク・プラグを差し込む際における使い勝手が良く、イヤホンキャップを装着させた際の美観を確保でき、イヤホンキャップの設計上の材質選択幅を広げたイヤホンキャップの装着構造を提供できる。
【図面の簡単な説明】
【図１】本発明の各実施形態を使用した携帯電話機の全体構成を示す斜視図であって、イヤホンキャップを閉じた場合である。
【図２】同各実施形態を使用した携帯電話機の操作部のみを示す斜視図であって、イヤホンキャップを開いた場合である。
【図３】同第１の実施形態を構成する部品を示す図であって、（Ａ）はイヤホンキャップの側面図、（Ｂ）はイヤホンキャップの正面図、（Ｃ）は図１のＩ−Ｉ線に沿う本体側壁の断面図、（Ｄ）は本体側壁の正面図である。
【図４】同第１の実施形態の装着構造を示す図であって、（Ａ）は図１のＩ−Ｉ線に沿う断面図、（Ｂ）は正面図、（Ｃ）はＩＶ−ＩＶ線に沿う要部拡大図である。
【図５】同第２の実施形態の装着構造を示す図であって、（Ａ）は図１のＩ−Ｉ線に沿う断面図、（Ｂ）はイヤホンキャップを押し込んだ場合の図１のＩ−Ｉ線に沿う断面図である。
【図６】同第３の実施形態の装着構造を示す図であって、（Ａ）は図１のＩ−Ｉ線に沿う断面図、（Ｂ）はイヤホンキャップを押し込んだ場合の図１のＩ−Ｉ線に沿う断面図である。
【図７】従来例を示す斜視図であって、（Ａ）はイヤホンキャップを閉じた場合、（Ｂ）はイヤホンキャップを開いた場合である。
【符号の説明】
ＫＤ折畳式の携帯電話機
１０表示部
２０操作部
２１操作部本体
２１ａ装着穴
２１ｂ本体側壁
２１ｃ係着孔
２１ｄ係合凹部
２１ｅ，２１ｆ逃げ凹部
２２イヤホンキャップ
２２ａ引掛切欠
２２ｂ係合凸部
２２ｃ係着部
２２ｄ切欠
３０ヒンジ部
１００操作部
１０１操作部本体
１０２キー
１０３イヤホンキャップ
１０３ａ溝
１０３ｂ係止突起
１０４イヤホンマイク・ジャック
１０５イヤホンマイク・プラグ[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a cap mounting structure of a portable terminal device, and particularly to the ease of use of a cap when inserting a plug, it is possible to secure an aesthetic appearance when the cap is mounted while enabling the cap to be locked, and to select a material for the cap. The present invention relates to a cap mounting structure of a portable terminal device in which the size of the cap is expanded.
[0002]
[Prior art]
In general, a mobile phone as an example of a mobile terminal device has an earphone microphone jack. An earphone microphone plug is inserted into the jack, and the earphone microphone can be used to listen to music, for example, on a train, or to use a free hand. (Hands-free), it is possible to talk without holding a mobile phone even while driving a car.
[0003]
The earphone microphone jack is disposed, for example, inside the back of the side of the mobile phone. When the earphone microphone is not used, the earphone microphone jack is sealed by attaching an earphone cap. The reason for this sealing is to prevent the metal connector inside the earphone microphone jack from causing poor contact due to dust, water, or the like.
[0004]
Here, an earphone cap of a conventional mobile phone and a mounting structure thereof will be described with reference to the drawings.
7A and 7B are perspective views of only the operation unit of the conventional foldable mobile phone, in which FIG. 7A shows a state in which an earphone cap is mounted, and FIG. 7B shows a state in which the earphone cap is removed.
As shown in FIGS. 7A and 7B, the operation unit 100 includes a large number of keys 102 on an upper surface of an operation unit main body 101, and an elongated earphone cap having a thickness of about 1 mm is provided on the left side surface of the operation unit main body 101. 103 is attached.
The earphone cap 103 has a function of protecting the earphone microphone jack 104 from dust and the like as described above, and is made of a bendable elastic body or the like.
[0005]
Then, as shown in FIG. 7 (B), the earphone cap 103 is bent at a substantially right angle to expose the earphone microphone jack 104, and an earphone microphone plug 105 to which an earphone or a microphone not shown is connected is inserted, and the jack is inserted. And plug.
103a is a groove formed so that the earphone cap 103 can be easily bent, and 103b is engaged with an engagement hole (not shown) formed in the operation section main body 101, and the earphone cap 103 is securely attached to the operation section main body 101. It is a locking projection for keeping.
Further, a concave portion (counterbore portion 106) for inserting a nail is formed on the housing side so that the end of the earphone cap 103 can be easily hooked and lifted.
[0006]
Here, as a conventional technology similar to the earphone cap 103, for example, Patent Literature 1 and Patent Literature 2 are known.
Patent Document 1 proposes that “in a portable electronic device in which a housing has an opening and the opening is closed by a cap, an enclosing rib is formed on the inner surface of the housing to surround the opening. Then, a part of the cut cap is prevented from entering the mobile phone by the surrounding rib, and a part of the cap can be removed without disassembling the housing, thereby facilitating the cap replacement operation. " That is.
[0007]
The proposal of Patent Document 2 is for solving the drawback of Patent Document 1 (a piece of the engaging portion of the earphone cap falls into the device body). A housing formed with a mounting hole having an earphone cap attached to the mounting hole, at least one of the housing and the earphone cap is formed of an elastic body, and the earphone cap is provided with the mounting hole. The engaging portion is configured to be detachable with respect to the mounting portion, and is configured to be held with respect to the supporting portion in a state where movement in a direction of detaching from the housing is regulated. It is characterized by having been done. "
[0008]
[Patent Document 1]
Japanese Patent Application Laid-Open No. 10-22654 (page 2, FIG. 1)
[Patent Document 2]
JP 2002-9911 A (Page 5, FIG. 5)
[0009]
[Problems to be solved by the invention]
However, the conventional earphone caps described above have the following problems.
First, the earphone cap shown in FIGS. 7A and 7B has a structure in which a hook is lifted by hooking an end of the earphone cap 103 on the end thereof, and a recess ( A counterbore portion was provided (see the counterbore portion 106 in FIG. 7). However, if the concave portion is small, it is difficult to insert the nail, and if the concave portion is large, the appearance of the portable terminal is impaired.
Further, when inserting the earphone microphone plug 105, the earphone cap 103 is bent by approximately 90 ° to be in an open state. Then, the user has to insert the earphone microphone plug 105 while pressing and maintaining this open state with the user's finger (FIG. 7B), which is extremely inconvenient for the user.
Also, if the user pulls the earphone cap 103 strongly to open the groove 103a, the groove 103a will have a habit of bending, the mounting state of the earphone cap 103 will be incomplete, and the earphone cap 103 will float from the side surface of the operation unit main body 101. There were drawbacks.
[0010]
Further, in order to prevent the earphone cap 103 from floating from the operation section main body 101, a locking projection 103b is provided on the earphone cap 103, and the earphone cap 103 is forcibly locked and fixed to the operation section main body. However, when the fitting amount of the locking projection 103b is small, the earphone cap 103 floats from the operation unit main body 101, and when the fitting amount of the locking projection 103b is large, the earphone cap 103 is hard to be detached. That is, there is a disadvantage that variations in aesthetic appearance and variations in usability are likely to occur.
Further, since the earphone cap 103 is folded and opened and closed as described above, there is a design constraint that an elastic body must be used as the material of the earphone cap 103.
[0011]
On the other hand, in the earphone caps described in Patent Literature 1 and Patent Literature 2, when opening and closing the hole to be closed with the cap, the cap is bent to open and close, so that the force for bending the cap at the time of opening and closing is limited. It is necessary, it is inconvenient to use, and there is a possibility that pain may occur in a finger or the like.
Furthermore, in each of the conventional techniques described above, the cap cannot be locked, and the cap may be inadvertently opened and closed.
[0012]
The present invention has been made in order to solve the above-mentioned problem, and has good usability when inserting a plug, can secure the aesthetic appearance when the cap is attached while enabling the cap to be locked, and has a wide range of material selection for the cap. It is an object of the present invention to provide a cap mounting structure of a portable terminal device in which the size is expanded.
[0013]
[Means for Solving the Problems]
In order to achieve the above object, an invention according to claim 1 is a cap mounting structure of a portable terminal device, wherein the cap is formed in a hole to be closed provided in the portable terminal device, and the cap is formed in a substantially rectangular shape. One end of the cap has an engagement projection that engages with an engagement hole provided inside the hole to be closed, and when opening and closing the hole to be closed, a force is applied to the other end of the cap. It is configured to rotate.
[0014]
In this way, for example, as shown in FIGS. 4A to 4C, an engagement protrusion (an engagement portion 22c) is provided on one end side of the earphone cap 22, and provided in a hole to be closed (the attachment hole 21a). Since the engagement projection is engaged with the engagement hole (the engagement hole 21c), when opening and closing the hole to be closed, the other end of the earphone cap 22 (near the hook notch 22a) is pressed with the user's finger. The hole to be closed can be opened and closed by applying force to rotate. That is, since the hole to be closed can be opened and closed only by rotating the earphone cap, the usability when opening and closing the hole to be closed with the earphone cap is good.
In addition, in the present invention in which the earphone cap can be opened and closed only by rotation as described above, it is not necessary to provide a recess (spotting portion) for hooking a nail on the end of the earphone cap on the housing side as in the related art, and the recess is small. It is difficult to insert the nails, and if it is large, there is no problem that the appearance is impaired.
[0015]
Next, according to a second aspect of the present invention, in the cap mounting structure of the portable terminal device according to the first aspect, when the hole to be closed is closed by the cap, locking means for locking the cap to the hole to be closed is provided. There is a configuration provided.
With this configuration, as shown in FIGS. 4A to 4C, for example, the engagement convex portion 22b is provided on the earphone cap 22 as the locking means, and the engagement concave portion 21d is provided on the main body side wall 21b. When the earphone cap 22 is closed, the engagement protrusion 22b and the engagement recess 21d can be engaged and locked. This can prevent the cap from being opened and closed carelessly.
[0016]
Next, according to a third aspect of the present invention, in the cap mounting structure of the portable terminal device according to the second aspect, the locking means includes a hole to be closed facing the other end side surface of the cap and the other end side surface. It is configured to be provided between the side portion.
With this configuration, for example, as shown in FIGS. 4A to 4C, the engagement protrusion 22 b is provided on the side surface of the earphone cap 22, and the engagement recess 21 d is provided on the inner side surface of the main body side wall 21 b. . Therefore, when the earphone cap 22 is closed and locked, the outer surface of the earphone cap 22 and the outer surface of the main body side wall 21b coincide (see FIG. 4A), and the locked state of the main body side wall and the earphone cap. The beauty seen from outside can be secured without variation.
[0017]
Next, according to a fourth aspect of the present invention, in the cap mounting structure of the portable terminal device according to any one of the first to third aspects, the hole to be closed pushes the cap from the outside toward the center of the portable terminal device. In such a case, there is provided a relief recess for receiving the pushed cap.
With this configuration, as shown in FIGS. 5A and 5B, for example, the hole to be closed (the mounting hole 21a) is formed with the recessed recess 21e. The locked state of the projection 22b and the engagement recess 21d can be released.
[0018]
Next, according to a fifth aspect of the present invention, in the cap mounting structure of the portable terminal device according to the fourth aspect, the escape recess is provided near the locking means.
With this configuration, as shown in FIGS. 5A and 5B, for example, the hole to be closed (the mounting hole 21a) is formed with the recessed recess 21e. The locked state of the projection 22b and the engagement recess 21d can be released.
[0019]
Next, according to a sixth aspect of the present invention, in the cap mounting structure of the portable terminal device according to the fourth aspect, the escape recess is provided substantially at the center of the hole to be closed.
In this way, for example, as shown in FIGS. 6A and 6B, since the escape recess 21 f is formed in the center of the hole to be closed (the mounting hole 21 a), the vicinity of the center of the earphone cap 22 is provided. By pressing, the locked state of the engaging projection 22b and the engaging recess 21d can be released.
[0020]
Next, according to a seventh aspect of the present invention, in the cap mounting structure for a portable terminal device according to the first to sixth aspects, the portable terminal device is a mobile phone. In this way, for example, as shown in FIGS. 1 and 2, it is easy to use when the earphone microphone plug 105 is inserted, and it is possible to secure the aesthetic appearance when the earphone cap 22 is attached. Thus, it is possible to provide an earphone cap 22 mounting structure in which the range of material selection is expanded.
[0021]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, the present invention will be described based on the illustrated embodiments. The parts already described are given the same reference numerals, and redundant description will be omitted.
[0022]
(1) First embodiment
First, a first embodiment of the cap mounting structure of the portable terminal device of the present invention will be described.
FIG. 1 is a perspective view showing a state in which an earphone cap is attached to the mobile phone (entire configuration) of the present embodiment, and FIG. 2 is a perspective view showing a state in which the earphone cap of the mobile phone (only the operation unit) is opened.
As shown in FIGS. 1 and 2, the foldable mobile phone KD includes a display unit 10, an operation unit 20, and a hinge unit 30.
The display unit 10 is formed of a liquid crystal or the like, and displays characters, images, and the like.
The hinge unit 30 connects the display unit 10 and an operation unit 20 described below in an openable and closable manner, and locks the display unit 10 and the operation unit 20 in an open state.
[0023]
The operation unit 20 includes an operation unit main body 21, an earphone cap 22, and a key 102.
The operation unit main body 21 is, for example, sized to rest on the palm of the left hand, and has a thickness of about 10 mm.
A substantially rectangular mounting hole 21a for mounting an earphone cap 22 is formed on the left side surface of the operation unit main body 21 (described later), and an earphone microphone for press-fitting an earphone microphone plug 105 into the mounting hole 21a. -The jack 104 is arranged.
On the surface of the earphone cap 22, a hook notch 22a and an engaging projection 22b described below are formed. The material of the earphone cap 22 will be described later.
[0024]
Next, the mounting structure of the earphone cap will be described in detail with reference to FIGS. 3 (A) to 3 (C) and FIGS. 4 (A) to 4 (C).
FIGS. 3A and 3B are component diagrams of an earphone cap mounting structure, wherein FIG. 3A is a side view of the earphone cap, FIG. 3B is a front view of the earphone cap, and FIG. FIG. 3D is a cross-sectional view along the line II, and FIG. 3D is a front view including a partial cross-section of the mounting hole along the line III-III.
[0025]
As shown in FIGS. 3A and 3B, the size of the elongated earphone cap 22 is about 17 mm × 7 mm in length × width and about 1 mm in thickness. On the left side on the back side of the earphone cap 22, an engaging portion 22c that is press-fitted into an engaging hole 21c provided in the main body side wall 21b, which will be described next, is formed in a projecting manner. A notch 22d is formed in the engaging portion 22c, and the notch 22d is narrowed when press-fitting into the engaging hole 21c, thereby facilitating press-fitting.
[0026]
The left end portion of the earphone cap 22 is formed in a semicircular shape, and the right end portion is formed with an engagement projection 22b which engages with an engagement recess 21d provided in the main body side wall 21b described below. The upper surface of the engaging projection 22b is flattened and smoothly curved downward. A hook notch 22a is formed on the front surface of the earphone cap 22, and when the user rotates the earphone cap 22 counterclockwise, the tip of the left thumb is hooked on the hook notch 22a and rotated (described later). .
[0027]
Next, the mounting hole 21a will be described.
As shown in FIGS. 3C and 3D, a mounting hole 21a for mounting the earphone cap 22 is formed in the main body side wall 21b. The depth of the mounting hole 21a is substantially the same as the thickness of the earphone cap 22, the width is slightly wider than the width of the earphone cap 22, and the vertical width is the same as the vertical width of the earphone cap 22.
[0028]
An engagement hole 21c for press-fitting the engagement portion 22c of the earphone cap is formed on the left side of the attachment hole 21a. The corner of the mounting hole 21a at the lower left of the engaging hole 21c is rounded. This roundness has the same radius as the semicircle at the left end of the earphone cap 22. With this configuration, when the earphone cap 22 is rotated around the engaging portion 22c, the earphone cap 22 can be smoothly rotated, and entry of dust and the like from a gap can be prevented.
[0029]
An engaging recess 21d having a step is formed at the right end of the mounting hole 21a. The upper part of the engaging concave part 21d is flat and curved downward. That is, it has the same shape as the engaging projection 22b of the earphone cap 22.
By doing so, it is possible to smoothly attach the earphone cap 22 to the mounting hole 21a by rotating the earphone cap 22 clockwise, and the flat portion of the engaging projection 22b of the earphone cap 22 and the mounting hole 21a Since the flat portion of the engaging concave portion 21d is engaged with the engaging concave portion 21d, the flat portion of the engaging concave portion 21d does not come off with a slight impact during handling.
[0030]
Next, mounting and opening / closing operations of the earphone cap according to the present embodiment will be described with reference to FIGS.
4A and 4B are views showing an earphone cap mounting structure, in which FIG. 4A is a cross-sectional view taken along line II of FIG. 1 in a state where the earphone cap is mounted on the side wall of the main body, and FIG. FIG. 4C is a side view including a partial cross section along the line IV, and FIG. 4C is an enlarged view including a partial cross section of the engaging projection and the engaging recess in the mounted state.
As shown in FIGS. 4A to 4C, the engaging portion 22c of the earphone cap 22 is pressed into the engaging hole 21c of the mounting hole 21a. In this press-fitting, the notch 22d is narrowed, and a chamfer is formed around the notch 22d, so that the press-fitting can be easily performed.
[0031]
With the earphone cap 22 pressed into the engagement hole 21c, the earphone cap 22 is rotated clockwise about the engagement portion 22c so that the engagement protrusion 22b of the earphone cap 22 is engaged with the attachment hole 21a. Push it in until it is press-fitted into the mating recess 21d. At this time, since the engaging convex portion 22b is curved, it can be smoothly pressed into the engaging concave portion 21d.
In this press-fit state, the flat part of the engaging projection 22b and the flat part of the engaging concave part 21d are locked (lightly locked) with each other. There is nothing. Further, as shown in FIG. 4A, when the earphone cap 22 is closed and locked, the outer surface of the earphone cap 22 coincides with the outer surface of the main body side wall 21b, so that the earphone cap 22 floats. Things can be eliminated and the aesthetic appearance can be secured without variation.
[0032]
Conversely, to remove the earphone cap 22 from the mounted state (FIG. 4B), for example, the tip of the left thumb is hooked on the hook notch 22a, and a force is applied in a counterclockwise direction using the frictional force of the finger. Rotate. Then, the engaged state of the engaging projection 22b and the engaging recess 21d is released, the earphone cap 22 rotates counterclockwise, and the earphone microphone jack 104 is exposed (see FIG. 2).
In this exposed state, the earphone microphone plug 105 is inserted and connected. In the state shown in FIG. 2, the diameter of the attachment hole 21c of the attachment hole 21a is smaller than that of the rotating contact portion of the attachment portion 22c. Can be maintained at right angles.
[0033]
(2) Second embodiment
Next, a second embodiment of the cap mounting structure of the portable terminal device of the present invention will be described.
5A and 5B are diagrams showing the operation of the present embodiment, in which FIG. 5A is a cross-sectional view taken along line II of FIG. 1 when the earphone cap and the main body side wall are in a locked state, and FIG. FIG. 3 is a cross-sectional view taken along the line II when is removed.
As shown in FIG. 5A, a relief recess 21e is formed on the right end side of the main body side wall 21b, and the engagement recess 21d is made slightly wider than in the first embodiment. The engagement projection 22b of the earphone cap 22 is the same as in the first embodiment.
[0034]
When the mounting hole 21a is opened, as shown in FIG. 5B, when the vicinity of the hook notch 22a is pushed into the escape recess 21e by a finger, the locked state of the engagement protrusion 22b and the engagement recess 21d is established. It is released.
In this unlocked state, the earphone cap 22 is rotated counterclockwise about the engaging portion 22c to expose the earphone microphone jack 104 as shown in FIG.
[0035]
Conversely, when closing the mounting hole 21a, the earphone cap 22 is rotated clockwise about the engaging portion 22c so that the engaging convex portion 22b of the earphone cap 22 is engaged with the engaging concave portion 21d of the mounting hole 21a. Press until pressed into
This makes it possible to easily open and close the mounting hole 21a with the earphone cap 22 with one hand.
[0036]
(3) Third embodiment
Further, a third embodiment of the cap mounting structure of the portable terminal device of the present invention will be described.
6A and 6B are diagrams showing the operation of the present embodiment, in which FIG. 6A is a cross-sectional view taken along line II of FIG. 1 when the earphone cap and the side wall of the main body are locked, and FIG. FIG. 3 is a cross-sectional view taken along the line II when is removed.
As shown in FIG. 6A, a relief recess 21f is formed in the center of the main body side wall 21b. The engaging concave portion 21d and the engaging convex portion 22b of the earphone cap 22 are the same as those in the first embodiment.
[0037]
When the mounting hole 21a is opened, as shown in FIG. 6 (B), when the vicinity of the hooking notch 22a provided in the center is pushed with a finger toward the escape recess 21f, the earphone cap 22 has a bow shape, The locked state of the engaging projection 22b and the engaging recess 21d is released. In this unlocked state, the earphone cap 22 is rotated counterclockwise about the engaging portion 22c to expose the earphone microphone jack 104 as shown in FIG.
Conversely, when closing the mounting hole 21a, the earphone cap 22 is rotated clockwise about the engaging portion 22c so that the engaging convex portion 22b of the earphone cap 22 is engaged with the engaging concave portion 21d of the mounting hole 21a. Press until pressed into
Even with such a configuration, the opening and closing of the mounting hole 21a by the earphone cap 22 can be easily performed with one hand.
[0038]
As described above, the preferred embodiment of the present invention has been shown and described. However, the cap mounting structure of the portable terminal device according to the present invention is not limited to the above-described embodiment, and various modifications may be made within the scope of the present invention. Needless to say, this is possible.
In the above embodiments, the case of a mobile phone has been described. However, the present invention can be applied to other portable terminal devices, such as a PDA (personal portable information terminal) and a music listening portable terminal. Of course.
In each of the above embodiments, the case of the earphone cap of the mobile phone has been described. However, the present invention can also be used for a hole to be closed which accommodates a connector for connecting a small keyboard to the mobile phone, a USB terminal, and the like. Of course.
[0039]
Furthermore, in each of the embodiments, since the earphone cap 22 does not need to be largely deformed when the earphone cap 22 is rotated, the material of the earphone cap is not limited to an elastic body, and a hard resin material is selected. Is also possible.
Here, it is generally difficult to apply a coating process to an elastic body, but it is possible to easily apply a coating process to a resin material, and it is possible to obtain the same color tone as the display unit and the operation unit. It is possible to provide a mobile phone or a mobile terminal device having excellent performance.
[0040]
【The invention's effect】
As described above, according to the present invention, the following effects can be exerted.
According to the first aspect of the present invention, the engagement projection is provided on one end side of the cap and the engagement projection is engaged with the engagement hole provided in the hole to be closed. The user can apply force to the other end of the cap with the user's finger and rotate the cap to open and close the hole to be closed.
That is, the hole to be closed can be opened and closed only by rotating the cap.
In addition, since the earphone cap can be opened and closed only by rotation in this way, it is not necessary to provide a recess (spotting portion) for hooking a nail on the end of the earphone cap on the housing side as in the related art. It is difficult to solve, and if it is large, there will be no difficult problems such as spoiling the beauty.
[0041]
According to the second aspect of the present invention, as the locking means, for example, the engaging protrusion is provided on the cap, and the engaging recess is provided on the side wall of the main body. Therefore, when the cap is closed, the engaging protrusion is engaged. The recess can be engaged and locked. This can prevent the cap from being opened and closed carelessly.
[0042]
According to the invention of claim 3, for example, as shown in FIGS. 4 (A) to 4 (C), the engagement convex portion is provided on the side surface of the earphone cap, and the engagement concave portion is provided on the inner side surface of the body side wall. . Therefore, when the earphone cap is closed and locked, the outer surface of the earphone cap coincides with the outer surface of the main body side wall, so that the aesthetic appearance of the outer surface can be ensured without variation.
[0043]
According to the fourth aspect of the present invention, as shown in FIGS. 5A and 5B, a relief recess is formed in the hole to be closed. By pressing, the locked state of the engagement convex portion and the engagement concave portion is released, the earphone cap is rotated, and the hole to be closed can be opened.
[0044]
According to the fifth aspect of the present invention, as in the case of the fourth aspect, for example, as shown in FIGS. 5 (A) and 5 (B), since the escape recess is formed in the hole to be closed, the locked state is achieved. Is released, the hooked notch side is pushed to release the locked state of the engaging projection and the engaging recess, and the earphone cap is rotated to open the hole to be closed.
[0045]
According to the invention of claim 6, for example, as shown in FIGS. 6 (A) and 6 (B), a relief recess is formed at the center of the hole to be closed. By pressing the vicinity of the central portion of the cap, the locked state of the engaging convex portion and the engaging concave portion is released, the earphone cap is rotated, and the hole to be closed can be opened.
[0046]
According to the invention as set forth in claim 7, for example, as shown in FIGS. 1 and 2, it is easy to use when the earphone microphone plug is inserted, and it is possible to secure the aesthetic appearance when the earphone cap is attached, and to design the earphone cap. It is possible to provide an earphone cap mounting structure in which the material selection range is widened.
[Brief description of the drawings]
FIG. 1 is a perspective view showing an overall configuration of a mobile phone using each embodiment of the present invention, in a case where an earphone cap is closed.
FIG. 2 is a perspective view showing only an operation unit of the mobile phone using the respective embodiments, in a case where an earphone cap is opened.
FIGS. 3A and 3B are views showing components constituting the first embodiment, wherein FIG. 3A is a side view of the earphone cap, FIG. 3B is a front view of the earphone cap, and FIG. FIG. 3D is a cross-sectional view of the main body side wall along the line I, and FIG.
4A and 4B are views showing the mounting structure of the first embodiment, wherein FIG. 4A is a cross-sectional view taken along line II of FIG. 1, FIG. 4B is a front view, and FIG. 4C is IV-IV. It is a principal part enlarged view along a line.
5A and 5B are views showing a mounting structure according to the second embodiment, wherein FIG. 5A is a cross-sectional view taken along the line II of FIG. 1, and FIG. 5B is a view of FIG. It is sectional drawing which follows the II line.
6A and 6B are views showing the mounting structure of the third embodiment, wherein FIG. 6A is a cross-sectional view along the line II of FIG. 1, and FIG. 6B is a view of FIG. 1 when the earphone cap is pushed in. It is sectional drawing which follows the II line.
7A and 7B are perspective views showing a conventional example, in which FIG. 7A shows a case where an earphone cap is closed, and FIG. 7B shows a case where an earphone cap is opened.
[Explanation of symbols]
KD Foldable mobile phone
10 Display
20 Operation section
21 Operation unit body
21a Mounting hole
21b Main body side wall
21c Engagement hole
21d engagement recess
21e, 21f Escape recess
22 Earphone cap
22a hook notch
22b engaging projection
22c engaging part
22d notch
30 Hinge
100 Operation unit
101 Operation unit body
102 key
103 earphone cap
103a groove
103b locking projection
104 earphone microphone jack
105 Earphone microphone plug

Claims

In a cap mounting structure of a mobile terminal device that closes by closing a cap in a hole to be closed provided in the mobile terminal device,
The cap has a substantially rectangular shape, and at one end side of the cap, there is provided an engagement projection that engages with an engagement hole provided inside the hole to be closed, and when opening and closing the hole to be closed, A cap mounting structure for a portable terminal device, wherein the cap is rotated by applying a force to the other end of the cap.

2. The portable terminal device according to claim 1, further comprising: a lock unit configured to lock the cap to the closing target hole when the closing target hole is closed by the cap. Cap mounting structure.

3. The cap mounting structure of the portable terminal device according to claim 2, wherein the locking means is provided between a side surface of the other end of the cap and a side surface of the hole to be closed facing the side surface of the other end. A cap mounting structure for a mobile terminal device.

The cap mounting structure of the portable terminal device according to claim 1,
The cap mounting structure for a portable terminal device, wherein the hole to be closed includes an escape recess for receiving the pushed cap when the cap is pushed from the outside toward the center of the portable terminal device.

5. The cap mounting structure for a portable terminal device according to claim 4, wherein the escape recess is provided near the locking means.

5. The cap mounting structure for a portable terminal device according to claim 4, wherein the escape recess is provided at a substantially central portion of the hole to be closed.

In the cap mounting structure of the portable terminal device according to claim 1,
A cap mounting structure for a portable terminal device, wherein the portable terminal device is a mobile phone.