JP4034234B2 - HINGE DEVICE AND ELECTRONIC DEVICE USING HINGE DEVICE - Google Patents

Description

【０００１】
【発明の属する技術分野】
本発明は、例えば第一部材と第二部材との基端部同志を枢着して、双方が重合した閉塞状態から第一部材，第二部材のいずれか一方を所定開放角度まで回動した開放状態に開閉できる、あるいは第一部材，第二部材のいずれか一方を自転回動（例えば表裏反対に自転反転）できるヒンジ装置並びにこのヒンジ装置を用いた携帯電話，パソコンなどの電子機器に関するものである。
【０００２】
【従来の技術及び発明が解決しようとする課題】
例えば、ノート型と称されるパソコンやワープロ或いは開閉式の携帯電話は、操作部を備えた本体部に対してディスプレイ部を備えた開閉蓋部（重合部）がヒンジ装置を介して起伏開閉自在に設けられているが、この開閉蓋部を本体部に伏した閉塞重合状態でこの開閉蓋部が勝手に開いてしまうことがないように、閉塞状態を維持する重合保持機能をヒンジ装置に設けている。
【０００３】
即ち、例えばヒンジ装置の回動軸部を軸に互いに相対回動自在に設けられる本体部若しくは重合部の回動と共に回動するカム部と、重合部若しくは本体部の回動と共に回動するカム係合部とを有し、閉塞重合状態となるとき、このカム部に設けた凸部とカム係合部に設けた凹部とが凹凸係合することでこの重合状態が係合保持されるように構成し、また、開放回動時に再び凹凸係合し、所定回動位置が係合保持されるように構成している。
【０００４】
また、パソコンや携帯電話などの電子機器においては、ヒンジ連結する一方（第一部材）を入力操作部を有する操作本体部とし、他方（第二部材）をディスプレイ部を有する開閉重合部として前述のように開閉回動自在あるいは自転回動自在に連結し、所定回動位置で凹凸係合により係合クリック保持するが、配線に支障を来たさないように更なる過回動を阻止すべく、回動ストッパー機構を設ける必要がある。しかし、従来様々なストッパー機構が提案されているが、いずれも構造が複雑となり、部品点数が増大し、コスト高となると共に、量産性に劣り、組み付け作業もそれだけ複雑となり、簡易な構成で精度良く必要以上の過回動を阻止できるものではなかった。
【０００５】
本発明は、従来一般的に用いられている軸受部に回動自在に挿通される回動軸部を軸に互いに相対回動することで凹凸係合するカム部とカム係合とによって所定回動位置を係合保持する回動位置保持機構に着目し、この回動位置保持機構のカム部若しくはカム係合部を軸受部に係止固定するためカム部若しくはカム係合部に一体成形される係止部をストッパー部として利用し、これと回動軸部に設けるストッパー係止部とで回動ストッパー機構を実現し、これにより、部品点数が増大せず、コストアップにもならず、既存の回動位置保持機構のカム部とカム係合部を利用できる上、しかも軸受部に係止固定するために一体成形した係止部を利用して回動ストッパー機構を実現する故に量産性に秀れ、組み付け作業も複雑とならずに、精度良く確実に必要以上の過回動を阻止することができる画期的なヒンジ装置並びにヒンジ装置を用いた電子機器を提供することを目的としている。
【０００６】
【課題を解決するための手段】
添付図面を参照して本発明の要旨を説明する。
【０００７】
第一部材２と第二部材４とを枢着し、この第一部材２を第二部材４に対して相対的に回動せしめるヒンジ装置であって、第一部材２に連結する第一連結部５に回動軸部６を設け、第二部材４に連結する第二連結部７に前記回動軸部６が回動自在に係合する軸受部８を設け、前記第一連結部５に前記回動軸部６と共に回動する凸部９Ａを有するカム部９若しくは凹部10Ａを有するカム係合部10を設け、前記軸受部８と共に回動する凹部10Ａを有するカム係合部10若しくは凸部９Ａを有するカム部９を前記第二連結部７に設け、この相対回動することで凹凸係合するカム部９，カム係合部10の少なくとも一方を係合離反方向にスライド移動自在に設けると共に、このカム部９，カム係合部10の少なくとも一方が係脱するに際して離反方向に移動した際係合方向に付勢する係合付勢機構11を設けて、前記第一部材２と前記第二部材４とを相対回動して所定回動位置でこのカム部９とカム係合部10とが凹凸係合若しくは係合途中となり、前記係合付勢機構11によりこの係合が保持されるあるいは係合付勢されるように構成し、このカム部９，カム係合部10のいずれか一方を前記係合付勢機構11に抗して離反方向に移動させつつ回動させることで前記カム係合部10に対してカム部９を係脱させ、前記第一部材２に対して前記第二部材４を相対回動するように構成したヒンジ装置において、前記第二連結部７に設けた前記軸受部８に回り止め状態に重合係止固定する前記カム係合部10若しくは前記カム部９に、前記軸受部８の係止部８Ａに係止して軸受部８の反対側へ突出する突出係止部15を一体成形し、この突出係止部15若しくはこの突出係止部15の回動と共に回動する連動係止部16をストッパー部13Ａとし、相対回動することでこのストッパー部13Ａが突き当たり係止するストッパー係止部13Ｂを前記回動軸部６に設けて、前記第一部材２に対して前記第二部材４が相対的に所定角度以上回動することを阻止する回動ストッパー機構13を設け、前記回動軸部６に前記ストッパー部 13 Ａの回動移動をガイドするガイド溝部 19 を周設し、このガイド溝部 19 に突部を設けて前記ストッパー部 13 Ａが突き当たり当接する前記ストッパー係止部 13 Ｂを回動軸部６に設けたことを特徴とするヒンジ装置に係るものである。
【０００８】
また、前記第一部材２の回動と共に回動する前記回動軸部６を、前記第二部材４の回動と共に回動する前記軸受部８に回動自在に嵌挿する構成とし、この軸受部８の挿通孔と連通状態となる挿通孔を有する前記カム係合部10若しくは前記カム部９を軸受部８に重合すると共に、この軸受部８の前記係止部８Ａと前記カム係合部10若しくは前記カム部９の突出係止部15とを係止して回り止め状態に重合係止固定し、前記回動軸部６に設けた前記ストッパー係止部13Ｂと、前記軸受部８に設けたこの軸受部８との回り止め係止作用を果たす前記カム係合部10若しくは前記カム部９に設けた前記突出係止部15またはこの突出係止部15と共に前記回動軸部６に対して相対回動する前記連動係止部16であるストッパー部13Ａとで前記回動ストッパー機構13を構成したことを特徴とする請求項１記載のヒンジ装置に係るものである。
【０００９】
また、少なくとも前記回動軸部６に対して回動自在に被嵌され、前記突出係止部15の前記回動軸部６に対する回動と共に回動する前記連動係止部16を有する連動係止部形成部材18を金属で形成したことを特徴とする請求項１、２のいずれか１項に記載のヒンジ装置に係るものである。
【００１０】
また、操作部１を設けた本体部と、ディスプレイ部３を設けた重合部とを、前記操作部１を操作しない時にはこの操作部１を覆うように重合配設し、この重合した状態から前記重合部を相対的に回動して操作部１を露出させることができるように、若しくは重合部を表裏反転自在となるべく自転回動できるように前記本体部と前記重合部とを回動自在に連結するヒンジ装置を有し、このヒンジ装置には、前記本体部を前記第一部材２若しくは第二部材４とし、前記重合部を前記第二部材４若しくは第一部材２とした前記請求項１〜３のいずれか１項に記載のヒンジ装置を用いたことを特徴とするヒンジ装置を用いた電子機器に係るものである。
【００１１】
【発明の実施の形態】
好適と考える本発明の実施の形態（発明をどのように実施するか）を、図面に基づいてその作用効果を示して簡単に説明する。
【００１２】
例えば、第一部材２に対して第二部材４を相対回動して重合状態とすると、回動軸部６を軸として係合付勢機構11により押圧付勢されつつカム部９とカム係合部10とは相対回動して、例えばカム部９の凸部９Ａとカム係合部10の凹部10Ａとは互いに凹凸係合若しくは係合途中となる。
【００１３】
従って、係合付勢機構11による押圧付勢とこの凹凸の吸い込み力によるカム係合付勢によって重合方向へ回動付勢（閉塞付勢）が生じ、この係合付勢機構11に付勢された凹凸係合によって、重合状態が係合保持される。
【００１４】
このように、重合閉塞時に限られるものではないが、カム部９とカム係合部10とが凹凸係合することで、所定の回動位置がこのカム係合によって位置決め保持あるいは付勢保持されるが、更に本発明では、前記第一部材２に対して前記第二部材４が相対的に所定角度以上回動することを阻止する回動ストッパー機構13を設けている。
【００１５】
この回動ストッパー機構13は、前記軸受部８に回り止め状態に重合係止固定する前記カム係合部10若しくは前記カム部９に、前記軸受部８の係止部８Ａに係止して軸受部８の反対側へ突出する突出係止部15を一体成形し、この突出係止部15若しくはこの突出係止部15の回動と共に回動する連動係止部16をストッパー部13Ａとし、相対回動することでこのストッパー部13Ａが突き当たり係止するストッパー係止部13Ｂを回動軸部６に設けたもので、軸受部８とカム部９若しくはカム係合部10との回り止め係止する係止部を利用してこれをストッパーとして利用する構成としたものである。
【００１６】
即ち、例えば、前記第一部材２に対する前記第二部材４の相対回動によって、回動軸部６と共に回動するカム係合部10と軸受部８と共に回動するカム部９とが相対回動して係合付勢された状態で互いに凹凸係合するように構成し、このカム部９とカム係合部10とが係合付勢機構11により付勢係合することで、前記第一部材２に対して前記第二部材４を相対的に所定角度回動若しくは所定角度自転回動した状態を保持するように前記回動位置保持機構を構成し、この軸受部８に重合するカム部９に前記軸受部８の係止部８Ａに係止して軸受部８の反対側へ突出する突出係止部15を一体成形し、この突出係止部15若しくはこの突出係止部15の回動と共に回動する連動係止部16をストッパー部13Ａとし、相対回動することでこのストッパー部13Ａが突き当たり係止するストッパー係止部13Ｂを前記回動軸部６に設け、このストッパー部13Ａとストッパー係止部13Ｂの相対位置を設定することで前記第一部材１に対して前記第二部材２が相対的に所定角度以上回動することが阻止される。
【００１７】
従って、この回動位置保持機構のカム部９若しくはカム係合部10を軸受部８に係止固定するためカム部９若しくはカム係合部10に一体成形される係止部15をストッパー部13Ａとして利用し、これと回動軸部６に設けるストッパー係止部13Ｂとで回動ストッパー機構13を実現でき、部品点数は増大せず、コストアップにもならず、既存の回動位置保持機構のカム部９とカム係合部10を利用できる上、しかも、軸受部８に係止固定するために一体成形した係止部15を利用して回動ストッパー機構13を実現する故に量産性に秀れ、組み付け作業も複雑とならずに、精度良く確実に必要以上の過回動を阻止することができる。
【００１８】
【実施例】
本発明の具体的な実施例について図面に基づいて説明する。
【００１９】
本実施例は、図１に示すように、ラップトップタイプのノート型パソコンに適用した場合のもので、キー操作部１を備えた本体部を第二部材４とし、ディスプレイ部３（ＬＣＤ）を備えた開閉蓋部（重合部）を第一部材２とし、この第一部材２と第二部材４とが重合した閉塞状態から第一部材２を立ち上げて開放状態（使用位置）とすることができる枢着構造に本発明のヒンジ装置を適用している（本実施例では左右両側に設けた場合を示している。）。
【００２０】
本実施例では、第一部材２（重合部）に連結する第一連結部５（連結金具）に回り止め状態に回動軸部６を設け、第二部材４（本体部）に連結する第二連結部５（連結金具）に前記回動軸部６が回動自在に挿通・係合する軸受部８を設け、前記第一連結部５及び前記回動軸部６と共に回動する凹部10Ａを有するカム係合部10を第一連結部５に設けている。即ち、第一連結部５の回動軸部６に回り止め状態にして軸方向にスライド自在にカム係合部10を被嵌している。
【００２１】
また、軸受部８と共に回動する凸部９Ａを有するカム部９を前記第一連結部５の軸受部８に設けている。即ち、軸受部８に一体形成する手法もあるが、本実施例では前記カム係合部10と対向して係合する側に軸受部８に回り止め状態にカム部９を係止させると共に、回動軸部６が挿通する挿通孔が軸受部８の挿通孔と連通状態となるようにカム部９を重合係止固定している。
【００２２】
即ち、この共にカム部９に対して相対回動することで凹凸係合するカム係合部10を係合離反方向にスライド移動自在にして回動軸部６に回り止め状態に設けると共に、このカム係合部10が係脱するに際して離反方向に移動した際係合方向に付勢する係合付勢機構11を設けている。具体的には、本実施例では、押さえ部12によって回動軸部６に被嵌状態に設けられる複数の皿バネ11Ａによって、回動軸部６に回り止め状態にしてスライド自在に被嵌したカム係合部10を押圧付勢してカム部９とカム係合部10とを係合付勢し、カム部９とカム係合部10との凹凸係合が脱して回動するときにはこの皿バネ11Ａに抗して回動することとなるように構成している。
【００２３】
従って、本体部４に対して重合部２を回動すると、本体部４に設けた第二連結部７の軸受部８に対して重合部２に設けた第一連結部５の回動軸部６が回動する。即ち、軸受部８に回り止め状態に設けたカム部９に対して、回動軸部６に回り止め状態に設けたカム係合部10が回動することとなる。
【００２４】
従って、本体部４に対して重合部２を相対回動して重合状態とすると、回動軸部６を軸として係合付勢機構11の皿バネ11Ａにより押圧付勢されつつカム部９とカム係合部10とは相対回動して、カム部９の凸部９Ａはカム係合部10の凹部10Ａに凹凸係合途中となる。
【００２５】
従って、係合付勢機構11による押圧付勢とこの凹凸の吸い込み力によるカム係合付勢によって重合方向へ回動付勢（閉塞付勢）が生じ、この係合付勢機構11に付勢された凹凸係合によって、重合状態が係合保持される。
【００２６】
また、本実施例では、前記カム部９に設けた第一の凸部９Ａが係合する第一の凹部10Ａを前記カム係合部10に設け、カム部９に設けた第二の凸部９Ａが係合する第二の凹部10Ａをカム係合部10に設け、第一，二の凸部，凹部を夫々１８０度相対位置に設けることで、この第一の凸部９Ａと第一の凹部10Ａとが前記重合閉塞状態のとき係合途中となるように構成すると共に、開放方向に略１８０度弱回動した際、前記第二の凸部９Ａと前記第二の凹部10Ａは係合してその開放回動位置がクリック保持されるように構成している。
【００２７】
従って、係合付勢機構11による付勢によるカム部９とカム係合部10との回動摩擦を適正となるように設定することで、スムーズな回動となると共に手を放した位置でその回動位置がこの摩擦によって保持されるフリーストップが実現でき、所定の開放回動位置で係合保持される間は自由な開放角度にこのフリーストップによって自在に調整できることとなる。
【００２８】
また、このフリーストップのための摩擦は回動当接面の状態や係合付勢機構11の付勢力等によって調整できる。
【００２９】
また、本実施例では、以下のような回動ストッパー機構13を設けている。
【００３０】
前記軸受部８に回り止め状態に重合係止固定する前記カム係合部10若しくは前記カム部９に、前記軸受部８の係止部８Ａに係止して軸受部８の反対側へ突出する突出係止部15を一体成形し、この突出係止部15 の回動と共に回動する連動係止部16をストッパー部13Ａとし、回動することでこのストッパー部13Ａが突き当たり係止するストッパー係止部13Ｂを設けて、前記第一部材２に対して前記第二部材４が相対的に所定角度以上回動することを阻止する回動ストッパー機構13を設けている。
【００３１】
即ち、本実施例では、前述のように前記第一部材２（重合部２）の回動と共に回動する前記回動軸部６を、前記第二部材４（本体部４）の回動と共に回動する前記軸受部８に回動自在に嵌挿する構成とし、この軸受部８の挿通孔と連通状態となる挿通孔を有する前記カム部９を軸受部８に重合すると共に、この軸受部８の外縁に切欠状に設けた前記係止部８Ａと前記カム部９に一体突出形成した突出係止部15とを係止して回り止め状態に重合係止固定し、前記回動軸部６に設けた前記ストッパー係止部13Ｂと、前記軸受部８に設けたこの軸受部８との回り止め係止作用を果たす前記カム部９に設けた前記突出係止部15 と共に前記回動軸部６に対して回動する前記連動係止部16であるストッパー部13Ａとで前記回動ストッパー機構13を構成している。
【００３２】
また、本実施例では、突出係止部15を直接ストッパー部13Ａとせず、突出係止部15の回動と共に回動軸部６に対して回動する連動係止部16を設け、この連動係止部16をストッパー部13Ａとして、ストッパー係止部13Ｂに突き当たり係止する構成としている。
【００３３】
具体的には、軸受部８の反対側にこの連動係止部16を有する連動係止部形成部材18を回動軸部６に回動自在に被嵌配設し、軸受部８，カム部９と共にカム部９の突出係止部15の回動によって、この連動係止部形成部材18も回動軸部６に対して回動して、この連動係止部形成部材18の連動係止部16がストッパー部13Ａとして回動するように構成している。
【００３４】
また、前記回動軸部６にこのストッパー部13Ａ（連動係止部16）の回動移動をガイドするガイド溝部19を周設し、このガイド溝部19にピンをネジ込んで突部を設けて前記ストッパー部13Ａが突き当たり当接する前記ストッパー係止部13Ｂを回動軸部６に設けた構成としている。
【００３５】
また、本実施例では、前記回動軸部６に対して回動自在に被嵌され、前記突出係止部15の前記回動軸部６に対する回動と共に回動する前記連動係止部16を有する連動係止部形成部材18を金属で一体形成している。そのため過回動を阻止する回動位置を容易にして精度良く形成できることとなる。
【００３６】
尚、本発明は、本実施例に限られるものではなく、各構成要件の具体的構成は適宜設計し得るものである。
【００３７】
【発明の効果】
本発明は上述のように構成したから、回動位置保持機構のカム部若しくはカム係合部を軸受部に係止固定するためカム部若しくはカム係合部に一体成形される係止部をストッパー部として利用し、これと回動軸部に設けるストッパー係止部とで回動ストッパー機構を実現し、これにより、部品点数が増大せず、コストアップにもならず、既存の回動位置保持機構のカム部とカム係合部を利用できる上、しかも軸受部に係止固定するために一体成形した係止部を利用して回動ストッパー機構を実現する故に量産性に秀れ、組み付け作業も複雑とならずに、精度良く確実に必要以上の過回動を阻止することができる画期的なヒンジ装置並びにヒンジ装置を用いた電子機器となる。
【００３８】
また、請求項２，３記載の発明においては、一層容易に本発明を実現でき、極めて実用性に秀れたヒンジ装置並びにヒンジ装置を用いた電子機器となる。
【００３９】
また、請求項４記載の発明においては、前記秀れた作用・効果を発揮する極めて組み付け作業が安易で実用性に秀れたヒンジ装置を用いた電子機器となる。
【００４０】
特に請求項３記載の発明においては、ストッパー部またはストッパー係止部の一方はカム部若しくはカム係合部又は回動軸部と共に一体樹脂形成あるいは簡単に形成でき、他方を金属板によって一体形成するため、過回動を阻止する回動位置を容易にして精度良く形成できることとなる。
【図面の簡単な説明】
【図１】 本実施例の使用状態を示す説明斜視図である。
【図２】 本実施例の分解斜視図である。
【図３】 本実施例の片側に取り付けるものの斜視図である。
【図４】 本実施例の反対側に取り付けるものの斜視図である。
【図５】 本実施例の使用状態の断面図である。
【図６】 本実施例の回動ストッパー機構の作動を示す説明断面図である。
【符号の説明】
１ 操作部
２ 第一部材
３ ディスプレイ部
４ 第二部材
５ 第一連結部
６ 回動軸部
７ 第二連結部
８ 軸受部
８Ａ 係止部
９ カム部
９Ａ 凸部
10 カム係合部
10Ａ 凹部
11 連結部
13 回動位置保持機構
13Ａ ストッパー部
13Ｂ ストッパー係止部
15 突出係止部
16 連動係止部
18 連動係止部形成部材
19 ガイド溝部[0001]
BACKGROUND OF THE INVENTION
In the present invention, for example, the base end portions of the first member and the second member are pivotally attached, and either one of the first member and the second member is rotated to a predetermined opening angle from the closed state where both are superposed. The invention relates to a hinge device that can be opened and closed in the open state, or one of the first member and the second member can be rotated and rotated (for example, rotating in the opposite direction), and electronic devices such as mobile phones and personal computers using the hinge device It is.
[0002]
[Prior art and problems to be solved by the invention]
For example, in a notebook computer or word processor or an openable / closable mobile phone, an open / close lid part (overlapping part) provided with a display part can be freely opened and closed via a hinge device with respect to a main body part provided with an operation part. The hinge device is provided with a superposition holding function to maintain the closed state so that the open / close lid portion does not open without permission when the open / close lid portion is closed to the main body. ing.
[0003]
That is, for example, a main body part or a cam part that rotates with the rotation of the superposition part, and a cam that rotates with the rotation of the superposition part or the main part, which are provided so as to be rotatable relative to each other about the rotation shaft of the hinge device When the engaging portion is in the closed overlapping state, the overlapping state is engaged and held by the convex portion provided on the cam portion and the concave portion provided on the cam engaging portion. Further, it is configured such that the concave and convex portions are engaged again at the time of opening rotation and the predetermined rotation position is engaged and held.
[0004]
In addition, in an electronic device such as a personal computer or a mobile phone, one of the hinges (first member) is an operation main body having an input operation portion, and the other (second member) is an opening / closing overlapping portion having a display portion. In such a way that it can be pivoted to open and close or rotate freely, and is held in place by engaging and disengaging at a predetermined rotational position, but to prevent further over-rotation so as not to disturb the wiring. It is necessary to provide a rotation stopper mechanism. However, various stopper mechanisms have been proposed in the past, but all of them have complicated structures, increase the number of parts, increase costs, and are inferior in mass productivity. It was not possible to prevent excessive rotation more than necessary.
[0005]
According to the present invention, a cam portion and a cam engagement that engage with each other by rotating relative to each other around a rotation shaft portion that is rotatably inserted in a bearing portion that is generally used in the related art is used a predetermined number of times. Paying attention to the rotating position holding mechanism that engages and holds the moving position, the cam part or cam engaging part of this rotating position holding mechanism is integrally formed with the cam part or cam engaging part to lock and fix it to the bearing part. The stopper part is used as a stopper part, and the stopper stopper part provided on the turning shaft part realizes a turning stopper mechanism, which does not increase the number of parts and increase the cost. The cam part and the cam engagement part of the existing rotation position holding mechanism can be used, and mass production is possible because the rotation stopper mechanism is realized by using the locking part that is integrally molded to lock and fix to the bearing part. Excellent accuracy without complicating assembly work And its object is to provide an electronic device using an innovative hinge device and the hinge device can be prevented indeed unnecessary excessive rotation.
[0006]
[Means for Solving the Problems]
The gist of the present invention will be described with reference to the accompanying drawings.
[0007]
A hinge device that pivotally attaches the first member 2 and the second member 4 and rotates the first member 2 relative to the second member 4, and is connected to the first member 2. A rotation shaft portion 6 is provided in the portion 5, a bearing portion 8 is provided in the second connection portion 7 that is connected to the second member 4, and the rotation shaft portion 6 is rotatably engaged with the first connection portion 5. The cam engaging part 10 having a cam part 9 having a convex part 9A or a concave part 10A that rotates together with the rotary shaft part 6 is provided, and the cam engaging part 10 having a concave part 10A that rotates together with the bearing part 8 or A cam portion 9 having a convex portion 9A is provided in the second connecting portion 7, and at least one of the cam portion 9 and the cam engaging portion 10 that engage with the concave and convex portions by sliding relative to each other is slidable in the engagement / disengagement direction. And at least one of the cam portion 9 and the cam engaging portion 10 moves away from each other when the cam portion 9 or the cam engaging portion 10 is disengaged. An engagement urging mechanism 11 for urging in the opposite direction is provided, and the first member 2 and the second member 4 are relatively rotated so that the cam portion 9 and the cam engagement portion 10 are in a predetermined rotation position. Is configured to be engaged or disengaged during engagement, and the engagement urging mechanism 11 holds or urges the engagement, and either the cam portion 9 or the cam engagement portion 10 is configured. The cam member 9 is engaged and disengaged with respect to the cam engaging portion 10 by rotating one of the cam biasing mechanism 11 against the engagement biasing mechanism 11 while moving in the direction of separation. In the hinge device configured to relatively rotate the second member 4, the cam engaging portion 10 or the cam portion that is fixedly overlapped with the bearing portion 8 provided in the second connecting portion 7 in a non-rotating state. 9 is integrally formed with a protruding locking portion 15 that is locked to the locking portion 8A of the bearing portion 8 and protrudes to the opposite side of the bearing portion 8, The protruding locking portion 15 or the interlocking locking portion 16 that rotates with the rotation of the protruding locking portion 15 is used as a stopper portion 13A, and the stopper locking portion with which the stopper portion 13A abuts and locks by relative rotation. provided 13B on the rotating shaft 6, the rotation stopper mechanism 13 that prevents the second member 4 is relatively more than a predetermined angle rotation provided for the first member 2, the rotation and provided around a guide groove 19 for guiding the pivoting movement of the stopper portion 13 a to the shaft portion 6, the stopper locking portion 13 B of the stopper portion 13 a provided protrusions on the guide groove 19 abuts contact The present invention relates to a hinge device characterized in that is provided on the rotary shaft portion 6 .
[0008]
Further, the rotating shaft portion 6 that rotates with the rotation of the first member 2 is configured to be rotatably inserted into the bearing portion 8 that rotates with the rotation of the second member 4. The cam engaging portion 10 or the cam portion 9 having an insertion hole that communicates with the insertion hole of the bearing portion 8 is superposed on the bearing portion 8, and the locking portion 8 </ b> A of the bearing portion 8 is engaged with the cam engagement. The stopper portion 13B of the cam portion 9 and the stopper portion 13B of the cam portion 9 are locked and overlapped and fixed in a non-rotating state. The stopper engaging portion 13B provided on the rotating shaft portion 6 and the bearing portion 8 The cam engaging portion 10 or the protruding locking portion 15 provided in the cam portion 9 or the rotating shaft portion 6 together with the protruding locking portion 15 that performs the detent locking action with the bearing portion 8 provided on the rotating shaft 6. The rotating stopper mechanism 13 is composed of a stopper portion 13A which is the interlocking locking portion 16 which rotates relative to the stopper. Those of the hinge device according to claim 1, characterized in that.
[0009]
Also, least rotatably be fitted against Kikaido shaft 6 before, the interlocking engagement portions 16 which rotates with the rotation relative to the pivot shaft part 6 of the projecting locking portion 15 4. The hinge device according to claim 1, wherein the interlocking locking portion forming member 18 is made of metal.
[0010]
In addition, the main body provided with the operation unit 1 and the overlapping part provided with the display unit 3 are arranged so as to cover the operation unit 1 when the operation unit 1 is not operated. The main body part and the superposition part can be rotated so that the superposition part can be rotated relatively so that the operation part 1 can be exposed, or the superposition part can be rotated and rotated as much as possible. 2. The hinge device according to claim 1, wherein the main body portion is the first member 2 or the second member 4, and the overlapping portion is the second member 4 or the first member 2. The present invention relates to an electronic apparatus using a hinge device, wherein the hinge device according to any one of items 1 to 3 is used.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
An embodiment of the present invention (how to carry out the invention) considered to be suitable will be briefly described with reference to the drawings, showing its effects.
[0012]
For example, when the second member 4 is rotated relative to the first member 2 to be in an overlapped state, the cam portion 9 and the cam engagement are pressed and urged by the engagement urging mechanism 11 about the rotation shaft portion 6. For example, the convex portion 9A of the cam portion 9 and the concave portion 10A of the cam engaging portion 10 are engaged with each other in the concave-convex engagement or in the middle of engagement.
[0013]
Accordingly, the pressing force by the engagement biasing mechanism 11 and the cam engagement biasing by the suction force of the unevenness generate a rotation biasing (blocking biasing) in the overlapping direction, and the biasing force is applied to the engagement biasing mechanism 11. The overlapped state is engaged and held by the uneven engagement.
[0014]
As described above, although not limited to the overlap closure, the cam portion 9 and the cam engagement portion 10 are engaged with each other so that the predetermined rotation position is held or biased by this cam engagement. However, in the present invention, a rotation stopper mechanism 13 that prevents the second member 4 from rotating relatively more than a predetermined angle with respect to the first member 2 is provided.
[0015]
The rotation stopper mechanism 13 is engaged with the cam engaging portion 10 or the cam portion 9 that is overlapped and fixed to the bearing portion 8 in a non-rotating state by being locked to the locking portion 8A of the bearing portion 8. The protrusion locking part 15 protruding to the opposite side of the part 8 is integrally formed, and the protrusion locking part 15 or the interlocking locking part 16 that rotates with the rotation of the protrusion locking part 15 is used as a stopper part 13A. The stopper shaft 13B is provided with a stopper locking portion 13B, which the stopper portion 13A abuts and locks by rotating, so that the bearing portion 8 and the cam portion 9 or the cam engagement portion 10 are prevented from rotating. This is a configuration in which the engaging portion is used as a stopper.
[0016]
That is, for example, the relative rotation of the second member 4 with respect to the first member 2 causes the cam engagement portion 10 that rotates together with the rotation shaft portion 6 and the cam portion 9 that rotates together with the bearing portion 8 to rotate relative to each other. The cam portion 9 and the cam engagement portion 10 are urged and engaged by the engagement urging mechanism 11 so as to engage with each other in a state of being engaged and urged. The rotation position holding mechanism is configured to hold a state in which the second member 4 is rotated by a predetermined angle or rotated by a predetermined angle relative to the one member 2, and the cam that overlaps the bearing portion 8 A protrusion locking portion 15 that is locked to the locking portion 8A of the bearing portion 8 and protrudes to the opposite side of the bearing portion 8 is formed integrally with the portion 9, and the protruding locking portion 15 or the protruding locking portion 15 is The interlocking locking part 16 that rotates with the rotation is used as a stopper part 13A, and the stopper part 13A is abutted by relative rotation. A stopper locking portion 13B for locking and locking is provided in the rotating shaft portion 6, and the second member 2 is set with respect to the first member 1 by setting the relative position of the stopper portion 13A and the stopper locking portion 13B. Is relatively prevented from rotating more than a predetermined angle.
[0017]
Accordingly, the locking portion 15 integrally formed with the cam portion 9 or the cam engaging portion 10 is used as the stopper portion 13A in order to lock and fix the cam portion 9 or the cam engaging portion 10 of the rotating position holding mechanism to the bearing portion 8. The rotation stopper mechanism 13 can be realized by using this and the stopper locking portion 13B provided on the rotation shaft portion 6, the number of parts does not increase, the cost does not increase, and the existing rotation position holding mechanism The cam portion 9 and the cam engaging portion 10 can be used, and furthermore, the rotation stopper mechanism 13 is realized by using the locking portion 15 formed integrally to be locked and fixed to the bearing portion 8. It is excellent and the assembly work is not complicated, and it is possible to prevent excessive rotation more accurately and reliably.
[0018]
【Example】
Specific embodiments of the present invention will be described with reference to the drawings.
[0019]
As shown in FIG. 1 , the present embodiment is applied to a laptop-type notebook personal computer. The main body having the key operation unit 1 is used as the second member 4, and the display unit 3 (LCD) is provided. The provided opening / closing lid part (overlapping part) is the first member 2, and the first member 2 is raised from the closed state where the first member 2 and the second member 4 are overlapped to be in the open state (use position). The hinge device of the present invention is applied to a pivoting structure that can be used (in this embodiment, the case where it is provided on both the left and right sides is shown).
[0020]
In this embodiment, the first connecting portion 5 (connecting bracket) connected to the first member 2 (overlapping portion) is provided with a rotation shaft portion 6 in a non-rotating state, and connected to the second member 4 (main body portion). A bearing portion 8 through which the rotating shaft portion 6 is rotatably inserted and engaged is provided in the two connecting portions 5 (connecting metal fittings), and a concave portion 10A that rotates together with the first connecting portion 5 and the rotating shaft portion 6. A cam engaging portion 10 having the above is provided in the first connecting portion 5. That is, the cam engaging portion 10 is fitted on the rotating shaft portion 6 of the first connecting portion 5 in a non-rotating state so as to be slidable in the axial direction.
[0021]
A cam portion 9 having a convex portion 9 </ b> A that rotates together with the bearing portion 8 is provided in the bearing portion 8 of the first connecting portion 5. That is, there is a method of integrally forming the bearing portion 8, but in this embodiment, the cam portion 9 is locked to the bearing portion 8 in a non-rotating state on the side facing the cam engaging portion 10 and engaged, The cam portion 9 is overlapped and fixed so that the insertion hole through which the rotation shaft portion 6 is inserted is in communication with the insertion hole of the bearing portion 8.
[0022]
That is, the cam engaging portion 10 that engages with the concave and convex portions by rotating relative to the cam portion 9 is slidably movable in the direction of disengagement and is provided in the rotation shaft portion 6 in a non-rotating state. An engagement urging mechanism 11 is provided that urges the cam engagement portion 10 in the engagement direction when the cam engagement portion 10 is moved in the separation direction. Specifically, in this embodiment, a plurality of disc springs 11A provided in a fitted state on the rotating shaft portion 6 by the pressing portion 12 are slidably fitted on the rotating shaft portion 6 in a non-rotating state. When the cam engaging portion 10 is pressed and urged, the cam portion 9 and the cam engaging portion 10 are urged and biased. It is configured to rotate against the disc spring 11A.
[0023]
Therefore, when the overlapping portion 2 is rotated with respect to the main body portion 4, the rotation shaft portion of the first connecting portion 5 provided in the overlapping portion 2 with respect to the bearing portion 8 of the second connecting portion 7 provided in the main body portion 4. 6 rotates. That is, the cam engaging portion 10 provided in the rotation preventing state on the rotation shaft portion 6 rotates relative to the cam portion 9 provided in the rotation preventing state on the bearing portion 8.
[0024]
Therefore, when the overlapping portion 2 is rotated relative to the main body portion 4 to be in the overlapping state, the cam portion 9 is pressed and urged by the disc spring 11A of the engagement urging mechanism 11 with the rotating shaft portion 6 as an axis. By rotating relative to the cam engaging portion 10, the convex portion 9 </ b> A of the cam portion 9 is in the middle of the concave and convex engagement with the concave portion 10 </ b> A of the cam engaging portion 10.
[0025]
Accordingly, the pressing force by the engagement biasing mechanism 11 and the cam engagement biasing by the suction force of the unevenness generate a rotation biasing (blocking biasing) in the overlapping direction, and the biasing force is applied to the engagement biasing mechanism 11. The overlapped state is engaged and held by the uneven engagement.
[0026]
Further, in this embodiment, a first concave portion 10A that engages with the first convex portion 9A provided in the cam portion 9 is provided in the cam engaging portion 10, and a second convex portion provided in the cam portion 9 is used. The second concave portion 10A with which 9A is engaged is provided in the cam engaging portion 10, and the first and second convex portions and the concave portion are provided at 180 ° relative positions, respectively. The concave portion 10A and the second concave portion 10A are engaged when the concave portion 10A is in the middle of the overlapped state, and when the concave portion 10A is rotated by about 180 degrees in the opening direction. Thus, the opening rotation position is configured to be held by clicking.
[0027]
Therefore, by setting the rotation friction between the cam portion 9 and the cam engagement portion 10 due to the biasing by the engagement biasing mechanism 11 to be appropriate, the rotation is smooth and at the position where the hand is released. A free stop in which the rotation position is held by this friction can be realized, and the free stop can be freely adjusted to a free opening angle while being engaged and held in a predetermined release rotation position.
[0028]
The friction for this free stop can be adjusted by the state of the rotating contact surface, the biasing force of the engagement biasing mechanism 11, and the like.
[0029]
In the present embodiment, the following rotation stopper mechanism 13 is provided.
[0030]
The cam engaging portion 10 or the cam portion 9 which is overlapped and fixed to the bearing portion 8 in a non-rotating state is engaged with the engaging portion 8A of the bearing portion 8 and protrudes to the opposite side of the bearing portion 8. The protrusion locking part 15 is integrally formed, and the interlocking locking part 16 that rotates with the rotation of the protrusion locking part 15 is used as a stopper part 13A. By rotating, the stopper part 13A comes into contact with and stops. A stop portion 13B is provided to provide a rotation stopper mechanism 13 that prevents the second member 4 from rotating relatively more than a predetermined angle with respect to the first member 2.
[0031]
That is, in the present embodiment, as described above, the rotation shaft portion 6 that rotates with the rotation of the first member 2 (overlapping portion 2) is used together with the rotation of the second member 4 (main body portion 4). The bearing portion 8 is configured to be rotatably inserted into the rotating bearing portion 8, and the cam portion 9 having an insertion hole communicating with the insertion hole of the bearing portion 8 is superposed on the bearing portion 8. The locking portion 8A provided in a cutout shape on the outer edge of 8 and the protruding locking portion 15 integrally formed on the cam portion 9 are locked and overlapped and fixed in a detent state, and the rotating shaft portion and the stopper locking portion 13B provided on the 6, both the rotation and the projecting locking part 15 provided on the cam portion 9 to fulfill the detent locking action between the bearing portion 8 provided in the bearing portion 8 The rotation stopper mechanism 13 is constituted by the stopper portion 13A which is the interlocking locking portion 16 which rotates with respect to the shaft portion 6.
[0032]
Also, in this embodiment, without projecting locking part 15 directly stopper portion 13A, the interlocking engagement portions 16 to pivot with respect to rotation shaft 6 with the rotation of the projecting locking portion 15 is provided, this The interlocking locking portion 16 is used as a stopper portion 13A and is configured to abut against and lock to the stopper locking portion 13B.
[0033]
Specifically, an interlocking locking portion forming member 18 having the interlocking locking portion 16 on the opposite side of the bearing portion 8 is rotatably fitted and disposed on the rotating shaft portion 6. 9 together with the rotation of the protruding locking portion 15 of the cam portion 9, the interlocking locking portion forming member 18 is also rotated with respect to the rotating shaft portion 6, and the interlocking locking portion forming member 18 is interlocked. The part 16 is configured to rotate as the stopper part 13A.
[0034]
Further, a guide groove portion 19 for guiding the rotation movement of the stopper portion 13A (interlocking locking portion 16) is provided around the rotation shaft portion 6, and a pin is screwed into the guide groove portion 19 to provide a protrusion. The stopper engaging portion 13B with which the stopper portion 13A abuts and comes into contact is provided on the rotating shaft portion 6.
[0035]
Further, according to the real施例is fitted rotatably relative to the front Kikaido shaft 6, the interlocking engagement which rotates with the rotation relative to the pivot shaft part 6 of the projecting locking portion 15 The interlocking locking portion forming member 18 having the portion 16 is integrally formed of metal. Therefore, the rotation position for preventing over-rotation can be easily formed with high accuracy.
[0036]
Note that the present invention is not limited to this embodiment, and the specific configuration of each component can be designed as appropriate.
[0037]
【The invention's effect】
Since the present invention is configured as described above, the locking portion integrally formed with the cam portion or the cam engaging portion is a stopper in order to lock and fix the cam portion or the cam engaging portion of the rotational position holding mechanism to the bearing portion. This is used as a part and a stopper mechanism provided on the turning shaft part realizes a turning stopper mechanism, which does not increase the number of parts, increase the cost, and maintain the existing turning position. The cam part and the cam engaging part of the mechanism can be used, and the rotation stopper mechanism is realized by using the locking part that is integrally formed to lock and fix to the bearing part. However, it is possible to provide an innovative hinge device and an electronic device using the hinge device that can accurately and reliably prevent excessive rotation without being complicated.
[0038]
In the inventions of claims 2 and 3 , the present invention can be realized more easily, and the hinge device and the electronic device using the hinge device are excellent in practicality.
[0039]
According to a fourth aspect of the present invention, an electronic device using a hinge device that exhibits the excellent actions and effects, is extremely easy to assemble, and has excellent practicality.
[0040]
In particular, in the invention described in claim 3, one of the stopper portion and the stopper locking portion can be formed integrally with the cam portion, the cam engaging portion or the rotating shaft portion or can be easily formed, and the other is formed integrally with the metal plate. For this reason, the rotation position for preventing the excessive rotation can be easily formed with high accuracy.
[Brief description of the drawings]
FIG. 1 is an explanatory perspective view showing a use state of a present embodiment.
FIG. 2 is an exploded perspective view of the present embodiment.
FIG. 3 is a perspective view of what is attached to one side of the present embodiment.
FIG. 4 is a perspective view of what is attached to the opposite side of the present embodiment.
FIG. 5 is a sectional view of the embodiment in use.
FIG. 6 is an explanatory sectional view showing the operation of the rotation stopper mechanism of the present embodiment.
[Explanation of symbols]
1 operation unit 2 first member
3 display part 4 second member
5 First connecting part 6 Rotating shaft part
7 Second connecting portion 8 Bearing portion 8A Locking portion 9 Cam portion 9A Convex portion
10 Cam engagement part
10A recess
11 Connecting part
13 Rotation position holding mechanism
13A Stopper part
13B Stopper locking part
15 Projection lock
16 Interlocking locking part
18 Interlocking lock forming member
19 Guide groove

Claims (4)

第一部材と第二部材とを枢着し、この第一部材を第二部材に対して相対的に回動せしめるヒンジ装置であって、第一部材に連結する第一連結部に回動軸部を設け、第二部材に連結する第二連結部に前記回動軸部が回動自在に係合する軸受部を設け、前記第一連結部に前記回動軸部と共に回動する凸部を有するカム部若しくは凹部を有するカム係合部を設け、前記軸受部と共に回動する凹部を有するカム係合部若しくは凸部を有するカム部を前記第二連結部に設け、この相対回動することで凹凸係合するカム部，カム係合部の少なくとも一方を係合離反方向にスライド移動自在に設けると共に、このカム部，カム係合部の少なくとも一方が係脱するに際して離反方向に移動した際係合方向に付勢する係合付勢機構を設けて、前記第一部材と前記第二部材とを相対回動して所定回動位置でこのカム部とカム係合部とが凹凸係合若しくは係合途中となり、前記係合付勢機構によりこの係合が保持されるあるいは係合付勢されるように構成し、このカム部，カム係合部のいずれか一方を前記係合付勢機構に抗して離反方向に移動させつつ回動させることで前記カム係合部に対してカム部を係脱させ、前記第一部材に対して前記第二部材を相対回動するように構成したヒンジ装置において、前記第二連結部に設けた前記軸受部に回り止め状態に重合係止固定する前記カム係合部若しくは前記カム部に、前記軸受部の係止部に係止して軸受部の反対側へ突出する突出係止部を一体成形し、この突出係止部若しくはこの突出係止部の回動と共に回動する連動係止部をストッパー部とし、相対回動することでこのストッパー部が突き当たり係止するストッパー係止部を前記回動軸部に設けて、前記第一部材に対して前記第二部材が相対的に所定角度以上回動することを阻止する回動ストッパー機構を設け、前記回動軸部に前記ストッパー部の回動移動をガイドするガイド溝部を周設し、このガイド溝部に突部を設けて前記ストッパー部が突き当たり当接する前記ストッパー係止部を回動軸部に設けたことを特徴とするヒンジ装置。A hinge device for pivotally attaching a first member and a second member and rotating the first member relative to the second member, wherein the first connecting portion connected to the first member has a rotation shaft. And a second connecting portion connected to the second member is provided with a bearing portion in which the rotating shaft portion is rotatably engaged, and the first connecting portion is a convex portion that rotates together with the rotating shaft portion. A cam engaging portion having a recess or a cam engaging portion having a recess, and a cam engaging portion having a recess rotating with the bearing portion or a cam portion having a protrusion provided in the second connecting portion, and rotating relative to each other. As a result, at least one of the cam portion and the cam engagement portion engaged with the concave and convex portions is slidably movable in the engagement / separation direction, and at least one of the cam portion and the cam engagement portion is moved in the separation direction when the cam portion is engaged / disengaged. An engagement biasing mechanism for biasing in the engagement direction is provided, and the first member and the The cam part and the cam engaging part are engaged with each other at a predetermined rotational position by rotating the two members relative to each other, and the engagement is maintained or engaged by the engagement biasing mechanism. It is configured to be urged, and is rotated with respect to the cam engagement portion by rotating either one of the cam portion or the cam engagement portion against the engagement urging mechanism while moving in the separation direction. In the hinge device configured to engage and disengage the cam portion and rotate the second member relative to the first member, the bearing portion provided in the second connecting portion is in a non-rotating state in a state of being rotated. A protruding locking portion that locks with the locking portion of the bearing portion and protrudes to the opposite side of the bearing portion is integrally formed with the cam engaging portion or the cam portion to be fixed. The interlocking locking part that rotates with the rotation of the protrusion locking part is used as the stopper part, In this way, a stopper locking portion that the stopper portion abuts and locks is provided on the rotation shaft portion, and the second member is prevented from rotating more than a predetermined angle relative to the first member. The stopper engaging portion is provided with a movable stopper mechanism, a guide groove portion for guiding the rotation movement of the stopper portion is provided around the rotation shaft portion, and a protrusion is provided in the guide groove portion so that the stopper portion comes into contact with and abuts. A hinge device characterized in that is provided on the rotating shaft portion . 前記第一部材の回動と共に回動する前記回動軸部を、前記第二部材の回動と共に回動する前記軸受部に回動自在に嵌挿する構成とし、この軸受部の挿通孔と連通状態となる挿通孔を有する前記カム係合部若しくは前記カム部を軸受部に重合すると共に、この軸受部の前記係止部と前記カム係合部若しくは前記カム部の突出係止部とを係止して回り止め状態に重合係止固定し、前記回動軸部に設けた前記ストッパー係止部と、前記軸受部に設けたこの軸受部との回り止め係止作用を果たす前記カム係合部若しくは前記カム部に設けた前記突出係止部またはこの突出係止部と共に前記回動軸部に対して相対回動する前記連動係止部であるストッパー部とで前記回動ストッパー機構を構成したことを特徴とする請求項１記載のヒンジ装置。  The rotation shaft portion that rotates with the rotation of the first member is configured to be rotatably inserted into the bearing portion that rotates with the rotation of the second member, and an insertion hole of the bearing portion The cam engagement portion or the cam portion having an insertion hole that is in a communicating state is superposed on the bearing portion, and the locking portion of the bearing portion and the cam engagement portion or the protruding locking portion of the cam portion are combined. The cam mechanism that locks and locks in a non-rotating state and performs a detent locking action between the stopper locking portion provided on the rotating shaft portion and the bearing portion provided on the bearing portion. The rotation stopper mechanism is formed by the protrusion locking portion provided in the joint portion or the cam portion or the stopper portion that is the interlocking locking portion that rotates relative to the rotation shaft portion together with the protrusion locking portion. The hinge device according to claim 1, wherein the hinge device is configured. 少なくとも前記回動軸部に対して回動自在に被嵌され、前記突出係止部の前記回動軸部に対する回動と共に回動する前記連動係止部を有する連動係止部形成部材を金属で形成したことを特徴とする請求項１、２のいずれか１項に記載のヒンジ装置。Least is fitted rotatably with respect Kikaido shaft before, interlocking engagement portion formed with the interlocking locking part which rotates with the rotation relative to the pivot shaft portion of the projecting locking part The hinge device according to claim 1, wherein the member is made of metal. 操作部を設けた本体部と、ディスプレイ部を設けた重合部とを、前記操作部を操作しない時にはこの操作部を覆うように重合配設し、この重合した状態から前記重合部を相対的に回動して操作部を露出させることができるように、若しくは重合部を表裏反転自在となるべく自転回動できるように前記本体部と前記重合部とを回動自在に連結するヒンジ装置を有し、このヒンジ装置には、前記本体部を前記第一部材若しくは第二部材とし、前記重合部を前記第二部材若しくは第一部材とした前記請求項１〜３のいずれか１項に記載のヒンジ装置を用いたことを特徴とするヒンジ装置を用いた電子機器。A main body part provided with an operation part and a superposition part provided with a display part are arranged so as to cover the operation part when the operation part is not operated, and the superposition part is relatively moved from the superposed state. A hinge device that pivotally connects the main body portion and the overlapping portion so that the operation portion can be exposed by rotating, or the overlapping portion can rotate and rotate as much as possible. The hinge according to any one of claims 1 to 3 , wherein the main body portion is the first member or the second member, and the overlapping portion is the second member or the first member. An electronic device using a hinge device characterized by using the device.

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