JP2004113944A - Structure for holding electricity-vibration transtucing device - Google Patents

Structure for holding electricity-vibration transtucing device Download PDF

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Publication number
JP2004113944A
JP2004113944A JP2002281380A JP2002281380A JP2004113944A JP 2004113944 A JP2004113944 A JP 2004113944A JP 2002281380 A JP2002281380 A JP 2002281380A JP 2002281380 A JP2002281380 A JP 2002281380A JP 2004113944 A JP2004113944 A JP 2004113944A
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JP
Japan
Prior art keywords
holder
vibration
conductive connector
support member
conductive
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
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JP2002281380A
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Japanese (ja)
Inventor
Hiroto Komatsu
小松 博登
Yosuke Kunishi
国司 洋介
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shin Etsu Polymer Co Ltd
Shin Etsu Chemical Co Ltd
Original Assignee
Shin Etsu Polymer Co Ltd
Shin Etsu Chemical Co Ltd
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Application filed by Shin Etsu Polymer Co Ltd, Shin Etsu Chemical Co Ltd filed Critical Shin Etsu Polymer Co Ltd
Priority to JP2002281380A priority Critical patent/JP2004113944A/en
Publication of JP2004113944A publication Critical patent/JP2004113944A/en
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  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Motor Or Generator Frames (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide a structure for holding an electricity-vibration transducing device, which prevents the connection of a conductive connector from being unstabilized by the rocking, etc., of a holder when the device is operating and which can prevent the conductive connector from being worn by the friction with an electrically joined item. <P>SOLUTION: The holding structure has a vibration motor 10 electrically connected to a circuit board 1, a holder 20 for holding the vibration motor 10, a conductive connector 30 which is supported by the holder 20 so as to project through it at its rear part and conductively connects the circuit board 1 to the vibration motor 10, and a support member 40 which is formed integrally with the holder 20 so as to project at the front part of its peripheral wall and prevents the connection of the conductive connector 30 from being unstabilized when the vibration motor 10 is operating. Since the support member 40 regulates the rocking, etc., of the front part of the holder 20, the irregular rocking, etc., of the front part of the holder 20 can be prevented even when, for example, the eccentric weight 11 of the vibration motor 10 rotates. <P>COPYRIGHT: (C)2004,JPO

Description

【0001】
【発明の属する技術分野】
本発明は、携帯電話機のバイブレーションモータ等からなる電気‐振動変換装置の保持構造に関するものである。
【0002】
【従来の技術】
携帯電話機には様々な部品が内蔵されるが、その一つとしてマナーモード用のバイブレーションモータがあげられる。この種のバイブレーションモータは、図示しない有底角筒形のホルダに嵌入保持され、このホルダの周壁後部から突出した導電性エラストマーからなる導電接続子が回路基板に導通接続されることにより、回転軸が回転してその先端部の偏芯分銅を回転・振動させる(特許文献1参照)。
【0003】
【特許文献1】
特開2000‐60058号公報(図1参照)
【0004】
【発明が解決しようとする課題】
従来における電気‐振動変換装置の保持構造は、以上のようにホルダの導電接続子が回路基板に単に導通接続されるだけなので、バイブレーションモータの偏芯分銅が回転・振動すると、ホルダの前部が不規則に振動・揺動(揺れ動くの意、以下同じ)し、これに伴い導電接続子の抵抗や接続が不安定になるという大きな問題がある。また、ホルダの前部が振動・揺動すると、導電接続子が導電性エラストマー製の場合、回路基板の電極と擦れて磨耗し、不具合を来すこととなる。
【0005】
本発明は、上記に鑑みなされたもので、電気‐振動変換装置の動作時にホルダが揺動等して接続が不安定になるのを抑制防止し、導電接続子が電気接合物と擦れて磨耗するのを防ぐことのできる電気‐振動変換装置の保持構造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】
本発明においては、上記課題を達成するため、電気接合物に電気的に接続される偏芯分銅付きの電気‐振動変換装置を保持する構造であって、
電気‐振動変換装置を収納保持するホルダと、このホルダに突出状態に取り付けられて電気接合物と電気‐振動変換装置の電極間を電気的に接続する導電接続子と、電気‐振動変換装置の動作時に導電接続子の接続の不安定化を抑制する支持部材とを含んでなることを特徴としている。
【0007】
なお、ホルダを略筒形に形成し、このホルダに支持部材を形成して電気‐振動変換装置における偏芯分銅の電気接合物面投影位置と導電接続子との間に突出させ、この支持部材と導電接続子との間に隙間を形成することができる。
また、ホルダを略筒形に形成し、支持部材を略筒形に設けて電気‐振動変換装置に嵌め入れ、ホルダと支持部材との間に隙間を形成することができる。
【0008】
ここで特許請求の範囲における電気接合物には、少なくとも各種の基板(例えば、プリント基板、フレキシブル基板、検査基板等)や電子部品等が含まれる。電気‐振動変換装置には、バイブレーションモータやこれに類似する電気機器が含まれる。また、ホルダは、底のある各種形状の筒形でも良いし、底のない各種形状の筒形でも良い。このホルダは、絶縁性を有していても良いが、静電気防止の観点から少量の導電性粒子を添加して半導電性としても良い。導電接続子は、導電性を有するのであれば、単数複数の高分子化合物でも良いし、単数複数の金属等を使用することもできる。
【0009】
支持部材は、高分子化合物、プラスチック、金属等を使用して形成することができ、ホルダにその一部として単数複数設けることができるし、ホルダとは別体とすることもできる。さらに、電気接合物を内蔵する筐体、ケース、ハウジング等に単数複数設けることも可能である。この支持部材は、少なくとも導電接続子の接続の不安定化を抑制すれば良く、抵抗の不安定化や磨耗の防止、及び減衰機能等を併せ持つものでも良い。さらにまた、本発明に係る電気‐振動変換装置の保持構造は、携帯電話機、情報通信機器、電子機器、玩具等に広く利用することができる。
【0010】
本発明によれば、電気‐振動変換装置の動作時に支持部材が電気接合物やその保護筐体等に接続されてホルダの振動や揺れを制限するので、例え電気‐振動変換装置が動作しても、ホルダや導電接続子が大きく振動したり、揺れたりするのを抑制することができる。したがって、導電接続子の接続が不安定化するのを防ぐことができる。
【0011】
【発明の実施の形態】
以下、図面を参照して本発明の好ましい実施形態を説明すると、本実施形態における電気‐振動変換装置の保持構造は、図1に示すように、携帯電話機の回路基板1に導通接続されるバイブレーションモータ10と、このバイブレーションモータ10用のホルダ20と、このホルダ20に貫通支持され、圧接に基づいて回路基板1とバイブレーションモータ10間を導通接続する導電接続子30と、バイブレーションモータ10の動作時に導電接続子30の接続の不安定化を抑制する支持部材40とを備えている。
【0012】
回路基板1は、例えば積層板からなる絶縁基板を備え、この絶縁基板の内外には、導電性を有する複数の配線パターンや電極2が適宜形成されており、携帯電話機の筐体に内蔵される。また、バイブレーションモータ10は、基本的には本体が円柱に形成され、回転軸の先端部に偏芯分銅11が嵌着されており、回路基板1の下方に倒れた状態で位置する。このバイブレーションモータ10の周面後部には、回路基板1の電極2に対向する給電用の電極12が複数配設される。
【0013】
ホルダ20は、例えば弾性と絶縁性とを有する所定の材料を使用して硬度30°〜70°Hs、より好ましくは40°〜60°Hsの有底角筒形に形成され、周壁である上壁後部に導電接続子用の貫通孔21が厚さ方向に穿孔されており、開口した前部側からバイブレーションモータ10を水平に密嵌し、かつ回転する偏芯分銅11を露出させる。このホルダ20の所定の材料としては、硬化前に流動性を有し、硬化により架橋構造を有する各種の絶縁性エラストマー(常温付近でゴム状弾性を有するものの総称)が使用される。
【0014】
具体的には、シリコーンゴム、フッ素ゴム、ウレタンゴム、ポリウレタンゴム、EPDM、ポリブタジエンゴム、ポリイソプロピレンゴム、クロロプレンゴム、ポリエステル系ゴム、スチレン・ブタジエン共重合体ゴム、天然ゴム等があげられる。また、これらの独立・連泡の発泡体等も該当する。これらの中でも、電気絶縁性、耐熱性、圧縮永久歪み、加工性等に優れるシリコーンゴムが最適である。
【0015】
導電接続子30は、柱形あるいはブロック形等に形成される弾性の絶縁性エラストマー31と、この絶縁性エラストマー31の上下厚さ方向に並べて内蔵されて上下の回路基板1とバイブレーションモータ10の電極2・12間を接続する複数の導電細線32とを備え、ホルダ20の貫通孔21に嵌着支持されてその上部が外部に露出する。絶縁性エラストマー31は、ホルダ20と同様であるが、圧縮量が5〜30%、好ましくは15〜20%の範囲が良い。各導電細線32は、例えば銅、リン青銅、ベリリウム銅、真鍮等の銅合金等からなり、表面にニッケルメッキや金メッキ処理等が適宜施される。この導電細線32については、絶縁性エラストマー31に、円柱形等の別の絶縁性エラストマーを介し間接的に埋設することも可能である。
【0016】
支持部材40は、ホルダ20の周壁である上壁前部に略ブロック形に一体形成され、回路基板1や筐体に接着される。この支持部材40は、ホルダ20と同様に弾性の絶縁性エラストマー31を用いて硬度30°〜70°Hs、より好ましくは40°〜60°Hsの硬度に形成され、偏芯分銅11の回路基板面投影位置と導電接続子30との間に突出しており、後方の導電接続子30との間に隙間41を形成する。
【0017】
上記構成によれば、支持部材40が導電接続子30と面一にホルダ20の前部の振動・揺動を規制するので、例えバイブレーションモータ10の偏芯分銅11が回転・振動しても、2点支持によりホルダ20の前部や導電接続子30が不規則に振動・揺動することがない。したがって、導電接続子30の圧縮量を適正化してその抵抗や接続が不安定化するのをきわめて有効に抑制防止することができる。また、例え導電接続子30がエラストマー製でも、回路基板1の電極2と擦れて磨耗するのを抑制防止することができる。
【0018】
さらに、支持部材40をエラストマーとすれば、振動の減衰効果が期待でき、しかも、厚さ、高さ、幅等を適宜選択すれば、振動周波数とばね定数とを自由に調整することができる。さらにまた、支持部材40を金属や硬質のプラスチックとすれば、携帯電話機の筐体にバイブレーションモータ10の振動を直接伝達することが可能となる。
【0019】
次に、図2は本発明の第2の実施形態を示すもので、この場合には、ホルダ20の側壁にスリット22を長手方向に切り欠き形成し、このスリット22を使用してホルダ20の側壁を分割して捲り上げ可能とし、ホルダ20内の大きさを変更できるようにしている。その他の部分については、上記実施形態と同様であるので説明を省略する。
本実施形態においても上記実施形態と同様の作用効果が期待でき、しかも、ホルダ20にバイブレーションモータ10を嵌入したり、取り外すことがきわめて容易になるので、作業効率が大幅に向上するのは明らかである。また、ホルダ20にバイブレーションモータ10を強く圧入する必要が全くないので、作業時におけるバイブレーションモータ10の損傷防止を図ることができる。
【0020】
次に、図3は本発明の第3の実施形態を示すもので、この場合には、ホルダ20を短い角筒形に形成してバイブレーションモータ10の後部を嵌入し、支持部材40をホルダ20とは別体の短い角筒形に形成してバイブレーションモータ10の前部に接着剤を介して嵌着し、これらのホルダ20と支持部材40との間に隙間41を形成するとともに、ホルダ20と支持部材40との両側壁間には、細長い連結部材42を架設して一体化するようにしている。
【0021】
ホルダ20と支持部材40とは、その一方が接着されれば良い。したがって、ホルダ20にバイブレーションモータ10の後部を接着剤を介して嵌着し、支持部材40をバイブレーションモータ10の前部に嵌入しても良い。その他の部分については、上記実施形態と同様であるので説明を省略する。
本実施形態においても上記実施形態と同様の作用効果が期待でき、しかも、バイブレーションモータ10の挿入が実に容易になるのは明らかである。また、連結部材42がホルダ20と支持部材40とをまとめて一体化するので、ハンドリング作業もきわめて容易になる。
【0022】
次に、図4は本発明の第4の実施形態を示すもので、この場合には、第3の実施形態における連結部材42を省略してホルダ20と支持部材40とを分離するようにしている。その他の部分については、上記実施形態と同様であるので説明を省略する。
本実施形態においても上記実施形態と同様の作用効果が期待でき、しかも、連結部材42を省略することができるので、部品点数の削減を図ることができるのは明白である。
【0023】
次に、図5は本発明の第5の実施形態を示すもので、この場合には、ホルダ20の貫通孔21に嵌入支持される導電接続子30を、回路基板1とバイブレーションモータ10の間に介在される弾性の複数の絶縁性エラストマー31と、回路基板1とバイブレーションモータ10の電極2・12間に介在される弾性の複数の導電性エラストマー33とから構成し、これら複数の絶縁性エラストマー31と導電性エラストマー33とを横方向に交互に配列するとともに、この一列に並んだ複数の絶縁性エラストマー31と導電性エラストマー33の両側部には、絶縁性を有するサポート層34をそれぞれ重ねて設けるようにしている。
【0024】
絶縁性エラストマー31については、上記と同様であるので説明を省略する。また、導電性エラストマー33は、絶縁性エラストマー31に導電粒子が配合された導電性組成物からなる。導電粒子としては、粒状あるいはフレーク状のタイプがあげられる。具体的には、金、銀、銅、プラチナ、パラジウム、ニッケル、アルミニウム等の金属単体、あるいはこれらの合金からなる粒子の他、フェノール樹脂、エポキシ樹脂、シリコーン樹脂、ウレタン樹脂等の熱可塑性樹脂や熱硬化性樹脂、これらの焼成品、カーボン、セラミックス、シリカ等の無機材料を核として表面が上記金属によりメッキ、蒸着、スパッタ等の方法で被覆された粒子があげられる。これらの中でも、耐環境特性やコストの観点から、シリカを核材としてニッケルメッキを施し、さらにこの表面に金メッキを施した球状の導電粒子が好ましい。
【0025】
絶縁性のサポート層34としては、上記した絶縁性エラストマー31が細長い長方形に形成されて使用される。その他の部分については、上記実施形態と同様であるので説明を省略する。
本実施形態においても上記実施形態と同様の作用効果が期待でき、しかも、複数の導電細線32の省略が期待できるのは明白である。
【0026】
次に、図6は本発明の第6の実施形態を示すもので、この場合には、ホルダ20の貫通孔21に嵌入支持される導電接続子30を、回路基板1とバイブレーションモータ10の電極2・12間に介在される断面略六角形で弾性の導電性エラストマー33とするようにしている。
【0027】
単数複数の導電接続子30は、ホルダ20の貫通孔21に絶縁性の基材を介して嵌入支持されたり、あるいは貫通孔21の省略されたホルダ20の周壁に貫通支持される。この導電接続子30は、断面略六角形の他、円柱形、円錐台形、角柱形、角錐台形、球形等にも適宜形成することができる。その他の部分については、上記実施形態と同様であるので説明を省略する。
本実施形態においても、上記実施形態と同様の作用効果を期待することができる。
【0028】
次に、図7は本発明の第7の実施形態を示すもので、この場合には、導電接続子30を、回路基板1とバイブレーションモータ10の電極2・12間に介在される導電性で複数のスプリング35とするようにしている。
スプリング35としては、図示のコイルスプリングや板バネ等を適宜使用することができる。その他の部分については、上記実施形態と同様であるので説明を省略する。
本実施形態においても上記実施形態と同様の作用効果の実現が期待でき、しかも、導通接続時の抵抗を低下させることができる。
【0029】
次に、図8は本発明の第8の実施形態を示すもので、この場合には、導電接続子30を、回路基板1とバイブレーションモータ10の電極2・12間に並べて介在される複数の導電ボール36とするようにしている。その他の部分については、上記実施形態と同様であるので説明を省略する。
本実施形態においても上記実施形態と同様の作用効果の実現が期待でき、しかも、導電ボール36を金属製とすれば、回路基板1の電極2と擦れて磨耗するのを有効に抑制防止することができるとともに、抵抗の低下をも図ることが可能になる。
【0030】
次に、図9は本発明の第9の実施形態を示すもので、この場合には、導電接続子30を、回路基板1とバイブレーションモータ10の電極2・12間に介在される柱形の導電性エラストマー33と、回路基板1とバイブレーションモータ10間に並べて介在される複数の導電ボール36とから構成するようにしている。導電ボール36は導電性エラストマー33用のストッパボールとして機能すれば良く、導電ボール36の代わりに硬質の合成樹脂等からなる単数複数の絶縁ボールを使用することも可能である。その他の部分については、上記実施形態と同様であるので説明を省略する。
【0031】
本実施形態においても上記実施形態と同様の作用効果の実現が期待でき、しかも、各導電ボール36がスペーサ・ストッパとして導電性エラストマー33の過剰な圧縮を規制するので、簡易な構成で導電性エラストマー33の損傷をきわめて有効に防止することが可能になる。
【0032】
なお、上記実施形態では導電接続子30をホルダ20の後部の貫通孔21に嵌着支持させ、ホルダ20の前部に支持部材40を一体形成したが、バイブレーションモータ10の電極位置に応じて適宜変更することができる。例えば、導電接続子30をホルダ20の前部の貫通孔21に嵌着支持させ、ホルダ20の後部に支持部材40を形成することもできる。また、支持部材40を、ホルダ20の上壁前部だけではなく、ホルダ20の側壁前部や下壁前部等にも形成することができる。また、支持部材40を、携帯電話機の筐体に設けて回路基板1を貫通させ、この支持部材40の先端部をホルダ20の周壁に接続しても良い。さらに、上記実施形態とその導電接続子30とは、自由に組み合わせることができる。
【0033】
【発明の効果】
以上のように本発明によれば、電気‐振動変換装置の動作時にホルダが揺動等して接続が不安定になるのを有効に抑制あるいは防止することができるという効果がある。また、導電接続子が電気接合物と擦れて磨耗するのを防ぐことができる。
【図面の簡単な説明】
【図1】本発明に係る電気‐振動変換装置の保持構造の実施形態を示す模式断面説明図である。
【図2】本発明に係る電気‐振動変換装置の保持構造の第2の実施形態を示す模式説明図である。
【図3】本発明に係る電気‐振動変換装置の保持構造の第3の実施形態を示す模式説明図である。
【図4】本発明に係る電気‐振動変換装置の保持構造の第4の実施形態を示す模式断面説明図である。
【図5】本発明に係る電気‐振動変換装置の保持構造の第5の実施形態における導電接続子を示す斜視説明図である。
【図6】本発明に係る電気‐振動変換装置の保持構造の第6の実施形態における導電接続子を示す断面説明図である。
【図7】本発明に係る電気‐振動変換装置の保持構造の第7の実施形態における導電接続子を示す断面説明図である。
【図8】本発明に係る電気‐振動変換装置の保持構造の第8の実施形態における導電接続子を示す断面説明図である。
【図9】本発明に係る電気‐振動変換装置の保持構造の第9の実施形態における導電接続子を示す断面説明図である。
【符号の説明】
1     回路基板(電気接合物)
2     電極
10    バイブレーションモータ(電気‐振動変換装置)
11    偏芯分銅
12    電極
20    ホルダ
22    スリット
30    導電接続子
40    支持部材
41    隙間
42    連結部材
[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a holding structure of an electric-vibration conversion device including a vibration motor or the like of a mobile phone.
[0002]
[Prior art]
Various components are built into a mobile phone, and one of them is a vibration motor for a manner mode. This type of vibration motor is fitted and held in a bottomed rectangular cylindrical holder (not shown), and a conductive connector made of a conductive elastomer projecting from a rear portion of a peripheral wall of the holder is electrically connected to a circuit board, so that a rotating shaft is formed. Rotates the eccentric weight at its tip to rotate and vibrate (see Patent Document 1).
[0003]
[Patent Document 1]
JP-A-2000-60058 (see FIG. 1)
[0004]
[Problems to be solved by the invention]
In the conventional holding structure of the electric-vibration converter, the conductive connector of the holder is simply connected to the circuit board as described above, so when the eccentric weight of the vibration motor rotates and vibrates, the front part of the holder is moved. There is a major problem that the material vibrates and swings irregularly (meaning that it swings, the same applies hereinafter), and the resistance and connection of the conductive connector become unstable. In addition, when the front portion of the holder vibrates or swings, when the conductive connector is made of a conductive elastomer, the holder rubs against the electrode of the circuit board and wears, resulting in a problem.
[0005]
The present invention has been made in view of the above, and prevents the holder from oscillating or the like during operation of the electro-vibration conversion device, thereby preventing the connection from becoming unstable, and rubbing the conductive connector against the electrical joint and wearing it. It is an object of the present invention to provide a holding structure for an electric-vibration conversion device that can prevent the occurrence of the vibration.
[0006]
[Means for Solving the Problems]
In the present invention, in order to achieve the above object, a structure for holding an electro-vibration conversion device with an eccentric weight electrically connected to the electrical joint,
A holder for accommodating and holding the electro-vibration conversion device, a conductive connector attached to the holder in a protruding state to electrically connect between the electric joint and the electrode of the electro-vibration conversion device, And a support member for suppressing instability of the connection of the conductive connector during operation.
[0007]
The holder is formed in a substantially cylindrical shape, and a support member is formed on the holder so as to protrude between the conductive joint of the eccentric weight in the electro-vibration conversion device and the conductive connector. A gap can be formed between the wire and the conductive connector.
Further, the holder can be formed in a substantially cylindrical shape, and the support member can be provided in a substantially cylindrical shape and fitted into the electric-vibration conversion device to form a gap between the holder and the support member.
[0008]
Here, the electrical joint in the claims includes at least various substrates (for example, printed boards, flexible boards, inspection boards, etc.), electronic components, and the like. The electric-vibration converter includes a vibration motor and similar electric devices. Further, the holder may be a cylindrical shape having various shapes with a bottom or a cylindrical shape having various shapes without a bottom. This holder may have an insulating property, but may be semiconductive by adding a small amount of conductive particles from the viewpoint of preventing static electricity. The conductive connector may be a single or plural polymer compound or a single or plural metal as long as it has conductivity.
[0009]
The support member can be formed using a polymer compound, plastic, metal, or the like. One or more support members can be provided as a part of the holder, or can be separate from the holder. Further, it is also possible to provide a single unit or plural units in a housing, a case, a housing, or the like in which the electric joint is built. The support member only needs to suppress at least the instability of the connection of the conductive connector, and may have a function of preventing the instability and wear of the resistance and the damping function. Furthermore, the holding structure of the electric-vibration conversion device according to the present invention can be widely used for mobile phones, information communication devices, electronic devices, toys, and the like.
[0010]
According to the present invention, when the electro-vibration conversion device operates, the support member is connected to the electric joint or its protective housing and the like to limit the vibration and swing of the holder, so that the electro-vibration conversion device operates, for example. Also, it is possible to prevent the holder and the conductive connector from vibrating or swinging greatly. Therefore, it is possible to prevent the connection of the conductive connector from becoming unstable.
[0011]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, a preferred embodiment of the present invention will be described with reference to the drawings. As shown in FIG. 1, a holding structure of an electric-vibration converter according to the present embodiment is a vibration conductively connected to a circuit board 1 of a mobile phone. A motor 10, a holder 20 for the vibration motor 10, a conductive connector 30 penetratingly supported by the holder 20, and conducting connection between the circuit board 1 and the vibration motor 10 based on pressure contact, and when the vibration motor 10 operates. And a support member for suppressing the connection of the conductive connector from becoming unstable.
[0012]
The circuit board 1 includes an insulating substrate made of, for example, a laminated plate, and a plurality of conductive wiring patterns and electrodes 2 are appropriately formed inside and outside of the insulating substrate, and are incorporated in the housing of the mobile phone. . In addition, the vibration motor 10 basically has a main body formed in a cylindrical shape, and an eccentric weight 11 is fitted to a tip end of a rotating shaft, and is located in a state of being lowered below the circuit board 1. At the rear of the peripheral surface of the vibration motor 10, a plurality of power supply electrodes 12 facing the electrodes 2 of the circuit board 1 are provided.
[0013]
The holder 20 is, for example, formed of a bottomed square cylindrical shape having a hardness of 30 ° to 70 ° Hs, more preferably 40 ° to 60 ° Hs using a predetermined material having elasticity and insulating properties. A through hole 21 for a conductive connector is drilled in the rear part of the wall in the thickness direction, and the vibration motor 10 is closely fitted horizontally and the rotating eccentric weight 11 is exposed from the opened front side. As the predetermined material of the holder 20, various insulating elastomers having fluidity before curing and having a cross-linked structure by curing (general name of those having rubber-like elasticity at around normal temperature) are used.
[0014]
Specific examples include silicone rubber, fluorine rubber, urethane rubber, polyurethane rubber, EPDM, polybutadiene rubber, polyisopropylene rubber, chloroprene rubber, polyester rubber, styrene / butadiene copolymer rubber, and natural rubber. In addition, these closed-cell foams and the like also correspond. Among these, silicone rubber, which is excellent in electrical insulation, heat resistance, compression set, workability and the like, is most suitable.
[0015]
The conductive connector 30 includes an elastic insulating elastomer 31 formed in a pillar shape, a block shape, or the like, and built-in juxtaposed in the vertical thickness direction of the insulating elastomer 31 to form electrodes for the upper and lower circuit boards 1 and the vibration motor 10. A plurality of conductive thin wires 32 connecting between 2 and 12 are provided. The thin conductive wires 32 are fitted and supported in the through holes 21 of the holder 20 and the upper portions thereof are exposed to the outside. The insulating elastomer 31 is similar to the holder 20, but has a compression amount of 5 to 30%, preferably 15 to 20%. Each conductive thin wire 32 is made of, for example, a copper alloy such as copper, phosphor bronze, beryllium copper, or brass, and its surface is appropriately subjected to nickel plating, gold plating, or the like. The conductive thin wire 32 can be buried in the insulating elastomer 31 indirectly via another insulating elastomer such as a cylindrical shape.
[0016]
The support member 40 is integrally formed in a substantially block shape at the front part of the upper wall, which is the peripheral wall of the holder 20, and is adhered to the circuit board 1 and the housing. The support member 40 is formed to have a hardness of 30 ° to 70 ° Hs, more preferably 40 ° to 60 ° Hs by using an elastic insulating elastomer 31 similarly to the holder 20, and the circuit board of the eccentric weight 11 is formed. It protrudes between the surface projection position and the conductive connector 30, and forms a gap 41 with the rear conductive connector 30.
[0017]
According to the above configuration, since the support member 40 regulates the vibration and swing of the front portion of the holder 20 flush with the conductive connector 30, even if the eccentric weight 11 of the vibration motor 10 rotates and vibrates, With the two-point support, the front portion of the holder 20 and the conductive connector 30 do not vibrate and swing irregularly. Therefore, the amount of compression of the conductive connector 30 can be optimized and the resistance and connection can be prevented from becoming unstable very effectively. Further, even if the conductive connector 30 is made of an elastomer, it is possible to prevent the conductive connector 30 from rubbing against the electrode 2 of the circuit board 1 and being worn.
[0018]
Furthermore, when the support member 40 is made of an elastomer, a vibration damping effect can be expected, and the vibration frequency and the spring constant can be freely adjusted by appropriately selecting the thickness, height, width, and the like. Furthermore, if the support member 40 is made of metal or hard plastic, the vibration of the vibration motor 10 can be directly transmitted to the housing of the mobile phone.
[0019]
Next, FIG. 2 shows a second embodiment of the present invention. In this case, a slit 22 is formed by cutting a side wall of the holder 20 in the longitudinal direction, and the holder 22 is formed using the slit 22. The side wall is divided so that it can be turned up, so that the size inside the holder 20 can be changed. The other parts are the same as those in the above-described embodiment, and a description thereof will be omitted.
In this embodiment, the same operation and effect as those of the above embodiment can be expected, and since it is extremely easy to insert and remove the vibration motor 10 from the holder 20, it is apparent that the working efficiency is greatly improved. is there. Also, since there is no need to press the vibration motor 10 into the holder 20 at all, it is possible to prevent the vibration motor 10 from being damaged during operation.
[0020]
Next, FIG. 3 shows a third embodiment of the present invention. In this case, the holder 20 is formed in a short rectangular tube shape, the rear part of the vibration motor 10 is fitted, and the support member 40 is attached to the holder 20. And is fitted to the front of the vibration motor 10 via an adhesive to form a gap 41 between the holder 20 and the support member 40, An elongated connecting member 42 is provided between both side walls of the support member 40 and the support member 40 so as to be integrated.
[0021]
One of the holder 20 and the support member 40 may be bonded. Therefore, the rear part of the vibration motor 10 may be fitted to the holder 20 via an adhesive, and the support member 40 may be fitted to the front part of the vibration motor 10. The other parts are the same as those in the above-described embodiment, and a description thereof will be omitted.
In this embodiment, the same operation and effect as those of the above embodiment can be expected, and it is clear that the insertion of the vibration motor 10 is actually facilitated. Further, since the connecting member 42 integrates the holder 20 and the support member 40 together, the handling operation is extremely easy.
[0022]
Next, FIG. 4 shows a fourth embodiment of the present invention. In this case, the connecting member 42 in the third embodiment is omitted and the holder 20 and the supporting member 40 are separated. I have. The other parts are the same as those in the above-described embodiment, and a description thereof will be omitted.
In this embodiment, the same operation and effect as those in the above embodiment can be expected, and the connecting member 42 can be omitted. Therefore, it is obvious that the number of parts can be reduced.
[0023]
Next, FIG. 5 shows a fifth embodiment of the present invention. In this case, a conductive connector 30 fitted and supported in a through hole 21 of a holder 20 is connected between the circuit board 1 and the vibration motor 10. , And a plurality of elastic conductive elastomers 33 interposed between the circuit board 1 and the electrodes 2 and 12 of the vibration motor 10. The conductive elastomers 31 and the conductive elastomers 33 are alternately arranged in the horizontal direction, and the insulating layers 31 and the conductive elastomers 33 are arranged on both sides of an insulating support layer 34 on both sides. It is provided.
[0024]
The insulating elastomer 31 is the same as described above, and the description is omitted. Further, the conductive elastomer 33 is made of a conductive composition in which conductive particles are blended with the insulating elastomer 31. Examples of the conductive particles include a granular or flake type. Specifically, gold, silver, copper, platinum, palladium, nickel, aluminum and other simple metals or particles of these alloys, as well as phenolic resins, epoxy resins, silicone resins, thermoplastic resins such as urethane resins and Examples thereof include particles of a thermosetting resin, a baked product thereof, or an inorganic material such as carbon, ceramics, or silica as a nucleus and the surface of which is coated with the above metal by plating, vapor deposition, sputtering, or the like. Among these, spherical conductive particles obtained by plating nickel with silica as a core material and further plating the surface with gold are preferable from the viewpoint of environmental resistance and cost.
[0025]
As the insulating support layer 34, the above-described insulating elastomer 31 is used in the form of an elongated rectangle. The other parts are the same as those in the above-described embodiment, and a description thereof will be omitted.
In this embodiment, it is apparent that the same operation and effect as those in the above embodiment can be expected, and that the omission of the plurality of conductive fine wires 32 can be expected.
[0026]
Next, FIG. 6 shows a sixth embodiment of the present invention. In this case, the conductive connector 30 fitted and supported in the through hole 21 of the holder 20 is connected to the circuit board 1 and the electrode of the vibration motor 10. The elastic conductive elastomer 33 has a substantially hexagonal cross section and is interposed between 2 and 12.
[0027]
The one or more conductive connectors 30 are fitted and supported in the through holes 21 of the holder 20 via an insulating base material, or are supported through the peripheral wall of the holder 20 where the through holes 21 are omitted. The conductive connector 30 can be appropriately formed into a cylinder, a truncated cone, a prism, a truncated pyramid, a sphere, or the like, in addition to a substantially hexagonal cross section. The other parts are the same as those in the above-described embodiment, and a description thereof will be omitted.
In this embodiment, the same operation and effect as those of the above embodiment can be expected.
[0028]
Next, FIG. 7 shows a seventh embodiment of the present invention. In this case, the conductive connector 30 is connected to the circuit board 1 by the conductive material interposed between the electrodes 2 and 12 of the vibration motor 10. A plurality of springs 35 are provided.
As the spring 35, a coil spring, a leaf spring, or the like as shown can be used as appropriate. The other parts are the same as those in the above-described embodiment, and a description thereof will be omitted.
Also in this embodiment, the same operation and effect as those of the above embodiment can be expected, and the resistance at the time of conductive connection can be reduced.
[0029]
Next, FIG. 8 shows an eighth embodiment of the present invention. In this case, a plurality of conductive connectors 30 are arranged between the circuit board 1 and the electrodes 2 and 12 of the vibration motor 10. The conductive balls 36 are used. The other parts are the same as those in the above-described embodiment, and a description thereof will be omitted.
Also in this embodiment, the same operation and effect as the above embodiment can be expected, and if the conductive balls 36 are made of metal, it is possible to effectively suppress and prevent the conductive balls 36 from rubbing against the electrodes 2 of the circuit board 1. And the resistance can be reduced.
[0030]
Next, FIG. 9 shows a ninth embodiment of the present invention. In this case, a conductive connector 30 is provided in a columnar shape interposed between the circuit board 1 and the electrodes 2 and 12 of the vibration motor 10. It comprises a conductive elastomer 33 and a plurality of conductive balls 36 arranged between the circuit board 1 and the vibration motor 10. The conductive ball 36 may function as a stopper ball for the conductive elastomer 33. Instead of the conductive ball 36, a single or a plurality of insulating balls made of a hard synthetic resin or the like may be used. The other parts are the same as those in the above-described embodiment, and a description thereof will be omitted.
[0031]
In this embodiment, the same operation and effect as those in the above embodiment can be expected. Further, since each conductive ball 36 regulates excessive compression of the conductive elastomer 33 as a spacer / stopper, the conductive elastomer can be formed with a simple configuration. 33 can be prevented very effectively.
[0032]
In the above embodiment, the conductive connector 30 is fitted and supported in the through hole 21 at the rear part of the holder 20, and the support member 40 is integrally formed at the front part of the holder 20. However, the support member 40 is appropriately formed according to the electrode position of the vibration motor 10. Can be changed. For example, the conductive connector 30 may be fitted and supported in the through hole 21 at the front part of the holder 20, and the support member 40 may be formed at the rear part of the holder 20. In addition, the support member 40 can be formed not only at the front part of the upper wall of the holder 20 but also at the front part of the side wall and the lower wall of the holder 20. Alternatively, the support member 40 may be provided in the housing of the mobile phone, penetrate the circuit board 1, and the distal end of the support member 40 may be connected to the peripheral wall of the holder 20. Further, the above embodiment and the conductive connector 30 can be freely combined.
[0033]
【The invention's effect】
As described above, according to the present invention, there is an effect that it is possible to effectively suppress or prevent the connection from becoming unstable due to the swing of the holder during the operation of the electric-vibration conversion device. In addition, it is possible to prevent the conductive connector from being worn by being rubbed with the electrical joint.
[Brief description of the drawings]
FIG. 1 is a schematic sectional view showing an embodiment of a holding structure of an electric-vibration converter according to the present invention.
FIG. 2 is a schematic explanatory view showing a second embodiment of the holding structure of the electric-vibration conversion device according to the present invention.
FIG. 3 is a schematic explanatory view showing a third embodiment of the holding structure of the electric-vibration conversion device according to the present invention.
FIG. 4 is a schematic sectional view showing a fourth embodiment of the holding structure of the electric-vibration conversion device according to the present invention.
FIG. 5 is a perspective explanatory view showing a conductive connector in a fifth embodiment of a holding structure of an electric-vibration conversion device according to the present invention.
FIG. 6 is an explanatory sectional view showing a conductive connector in a sixth embodiment of the holding structure of the electric-vibration conversion device according to the present invention.
FIG. 7 is an explanatory sectional view showing a conductive connector in a seventh embodiment of a holding structure of an electric-vibration converter according to the present invention.
FIG. 8 is an explanatory sectional view showing a conductive connector in an eighth embodiment of a holding structure for an electric-vibration conversion device according to the present invention.
FIG. 9 is an explanatory sectional view showing a conductive connector in a ninth embodiment of a holding structure for an electric-vibration converter according to the present invention.
[Explanation of symbols]
1 circuit board (electrical joint)
2 electrode 10 vibration motor (electric-vibration converter)
11 eccentric weight 12 electrode 20 holder 22 slit 30 conductive connector 40 support member 41 gap 42 connecting member

Claims (3)

電気接合物に電気的に接続される偏芯分銅付きの電気‐振動変換装置を保持する構造であって、
電気‐振動変換装置を収納保持するホルダと、このホルダに突出状態に取り付けられて電気接合物と電気‐振動変換装置の電極間を電気的に接続する導電接続子と、電気‐振動変換装置の動作時に導電接続子の接続の不安定化を抑制する支持部材とを含んでなることを特徴とする電気‐振動変換装置の保持構造。
A structure for holding an electro-vibration converter with an eccentric weight electrically connected to the electrical joint,
A holder for housing and holding the electro-vibration conversion device, a conductive connector attached to the holder in a protruding state to electrically connect between the electric joint and the electrode of the electro-vibration conversion device, And a support member for suppressing instability of connection of the conductive connector during operation.
ホルダを略筒形に形成し、このホルダに支持部材を形成して電気‐振動変換装置における偏芯分銅の電気接合物面投影位置と導電接続子との間に突出させ、この支持部材と導電接続子との間に隙間を形成した請求項1記載の電気‐振動変換装置の保持構造。The holder is formed in a substantially cylindrical shape, and a support member is formed on the holder so as to protrude between the position of projection of the eccentric weight in the electro-vibration converter and the conductive connector, and the support member is electrically connected to the conductive connector. The holding structure for an electric-vibration converter according to claim 1, wherein a gap is formed between the connector and the connector. ホルダを略筒形に形成し、支持部材を略筒形に設けて電気‐振動変換装置に嵌め入れ、ホルダと支持部材との間に隙間を形成した請求項1記載の電気‐振動変換装置の保持構造。2. The electric-vibration conversion device according to claim 1, wherein the holder is formed in a substantially cylindrical shape, the support member is provided in a substantially cylindrical shape, and fitted into the electro-vibration conversion device, and a gap is formed between the holder and the support member. Retention structure.
JP2002281380A 2002-09-26 2002-09-26 Structure for holding electricity-vibration transtucing device Pending JP2004113944A (en)

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Publication number Priority date Publication date Assignee Title
JP2006211350A (en) * 2005-01-28 2006-08-10 Kyocera Corp Electronic apparatus
WO2006127374A1 (en) * 2005-05-26 2006-11-30 Solutions For Thought, Llc Vibrating transducer with wobbling motor
US7268290B2 (en) 2002-11-27 2007-09-11 Solutions For Thought, Llc Tactile metronome
US7285101B2 (en) 2005-05-26 2007-10-23 Solutions For Thought, Llc Vibrating transducer with provision for easily differentiated multiple tactile stimulations
JP2014033610A (en) * 2012-08-01 2014-02-20 Dyson Technology Ltd Mount for motor
CN106712360A (en) * 2015-08-03 2017-05-24 四川安和精密电子电器有限公司 Micro motor and support thereof
US10337579B2 (en) 2012-10-05 2019-07-02 Dyson Technology Limited Vibration isolation mount for an electric motor
US10344776B2 (en) 2013-05-03 2019-07-09 Dyson Technology Limited Vibration isolation mount

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7422564B2 (en) 2002-11-27 2008-09-09 Solutions For Thought, Llc Tactile rhythm generator
US7268290B2 (en) 2002-11-27 2007-09-11 Solutions For Thought, Llc Tactile metronome
US7304230B2 (en) 2002-11-27 2007-12-04 Solutions For Thought, Llc Multiple channel metronome
US7390955B2 (en) 2002-11-27 2008-06-24 Solutions For Thought, Llc Metronome with wireless transducer
JP4541171B2 (en) * 2005-01-28 2010-09-08 京セラ株式会社 Electronics
JP2006211350A (en) * 2005-01-28 2006-08-10 Kyocera Corp Electronic apparatus
US7285101B2 (en) 2005-05-26 2007-10-23 Solutions For Thought, Llc Vibrating transducer with provision for easily differentiated multiple tactile stimulations
WO2006127374A1 (en) * 2005-05-26 2006-11-30 Solutions For Thought, Llc Vibrating transducer with wobbling motor
JP2014033610A (en) * 2012-08-01 2014-02-20 Dyson Technology Ltd Mount for motor
US9893585B2 (en) 2012-08-01 2018-02-13 Dyson Technology Limited Motor mount
US10337579B2 (en) 2012-10-05 2019-07-02 Dyson Technology Limited Vibration isolation mount for an electric motor
US10344776B2 (en) 2013-05-03 2019-07-09 Dyson Technology Limited Vibration isolation mount
CN106712360A (en) * 2015-08-03 2017-05-24 四川安和精密电子电器有限公司 Micro motor and support thereof

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