JP5281436B2 - earphone - Google Patents

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JP5281436B2
JP5281436B2 JP2009043585A JP2009043585A JP5281436B2 JP 5281436 B2 JP5281436 B2 JP 5281436B2 JP 2009043585 A JP2009043585 A JP 2009043585A JP 2009043585 A JP2009043585 A JP 2009043585A JP 5281436 B2 JP5281436 B2 JP 5281436B2
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housing
earphone
auricle
ear canal
support member
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JP2010200074A (en
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弘幸 的場
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Audio Technica KK
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Audio Technica KK
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Abstract

<P>PROBLEM TO BE SOLVED: To provide an earphone which is neither loosened nor dropped during wearing. <P>SOLUTION: An earphone is constituted of a housing 2 and an auricle supporting member 1. The housing 2 incorporates a speaker unit 6 and is held between the side of tragus 12 and the side of ear concha 16 when inserted to the side of an external auditory canal 14 of the concha 13. The auricle supporting member 1 is mounted at the side of the housing 2 for preventing dropping from the side of the ear concha 16. The auricle supporting member 1 is rotated along with a side wall surface 11 partitioning the side of the ear concha 16 and the side of antihelix 15 to be engaged with the side wall surface 11 via a top end part, thereby making dropping difficult during wearing. <P>COPYRIGHT: (C)2010,JPO&amp;INPIT

Description

本発明は、スピーカユニットを内蔵させたハウジングを耳甲介側に装着して使用する際に、個人によって違う多様な耳の形や大きさに適合して、ハウジングが容易には脱落しないようにしたイヤホンに関するものである。   In the present invention, when a housing with a built-in speaker unit is attached to the concha side, the housing is adapted to various ear shapes and sizes that differ depending on individuals so that the housing does not easily fall off. It is related to the earphone.

特許文献1には、一般的なカナル型のイヤホンの例が開示されている。図6は特許文献1に記載の例を示す。図6において、イヤホン24は、スピーカユニットを収納してイヤホン本体を形成しているハウジング27と、ハウジング27の前面側から突設されている円筒状の外耳道挿入部22と、外耳道挿入部22の先端側に設けられた開口部23を囲むようにして取り付けられた外耳道密閉部材21と、ハウジング27からコード保持部25を介して外方に引き出されている接続コード26とを備えている。   Patent Document 1 discloses an example of a general canal type earphone. FIG. 6 shows an example described in Patent Document 1. In FIG. 6, an earphone 24 includes a housing 27 that houses a speaker unit and forms an earphone body, a cylindrical external ear canal insertion portion 22 that protrudes from the front side of the housing 27, and an external ear canal insertion portion 22. The ear canal sealing member 21 is attached so as to surround the opening 23 provided on the distal end side, and the connection cord 26 is drawn out from the housing 27 via the cord holding portion 25.

外耳道密閉部材21は、外耳道挿入部22への取付け部21aと、取り付け部21aの先端側から基端部側へと円弧状となって折り返された弾性接触片部21bとを備えて形成されている。   The ear canal sealing member 21 includes an attachment portion 21a to the ear canal insertion portion 22, and an elastic contact piece portion 21b that is folded in an arc shape from the distal end side to the proximal end portion side of the attachment portion 21a. Yes.

特許文献1に開示されているイヤホン24によれば、これを耳介に装着すると、外耳道密閉部材21における弾性接触片部21bが外耳道の内側面形状に沿うように弾性変形してその接触部位を密閉することになる。したがって、イヤホン24は、これをユーザーの耳に装着した際に弾性接触片部21bにより密閉状態が確保されていることになり、外部からの音はその侵入を遮断することができ、内部の音は外漏れを防止することができるほか、低音域の再現性を優れたものとすることもできる。   According to the earphone 24 disclosed in Patent Document 1, when the earphone 24 is attached to the auricle, the elastic contact piece 21b in the ear canal sealing member 21 is elastically deformed so as to follow the inner side surface shape of the ear canal, and the contact portion is defined. It will be sealed. Therefore, when the earphone 24 is worn on the user's ear, the sealed state is secured by the elastic contact piece 21b, so that the sound from the outside can block the intrusion, and the internal sound In addition to preventing leakage, the reproducibility of the low frequency range can be improved.

しかしながら、特許文献1に開示されている従来のカナル型のイヤホンは、弾性接触片部21bが外耳道の内側面形状に沿うように弾性変形してその接触部位を密閉するが、人によっては外耳道内において必ずしも十分な密着力を生成することができない場合があり、装着時の密閉性を減退させる緩みを生じさせ、外力を受けて耳介側から脱落するのを確実に阻止するには不十分であった。   However, the conventional canal type earphone disclosed in Patent Document 1 is elastically deformed so that the elastic contact piece 21b follows the inner surface shape of the ear canal and seals the contact portion. In some cases, it may not always be possible to generate sufficient adhesion, and it will not be enough to reliably prevent falling off from the auricle side due to external force, causing loosening that reduces the sealing performance when worn. there were.

そこで、特許文献2には、従来のカナル型イヤホンの構成要素に加えて、コード保持部を備えてなる取り付け部と、外耳道側へのイヤホンのハウジングの挿入時に取り付け部から対珠近傍に位置して、耳甲介側と対輪側とを仕切る側壁面に対し、弾性変形自在に当接する頭頂部を介して突出されたループ状を呈する弾性支持部とを備えたイヤホンが記載されている。特許文献2に記載の弾性支持部は、耳介の外耳道側へのハウジングの挿入時に、上記耳介における側壁面に対し弾性変形自在に当接し、イヤホンを装着した際の脱落を困難にしている。   Therefore, in Patent Document 2, in addition to the components of the conventional canal-type earphone, an attachment portion provided with a cord holding portion and an earphone housing on the ear canal side are positioned in the vicinity of the rosary when the earphone housing is inserted. Thus, there is described an earphone including a loop-like elastic support portion that protrudes through a crown portion that elastically deforms against a side wall surface that partitions the concha side and the opposite wheel side. The elastic support part described in Patent Document 2 makes elastic contact with the side wall surface of the auricle when the housing is inserted into the ear canal side of the auricle, making it difficult to drop off when the earphone is worn. .

特許文献3には、従来型のイヤホンに、イヤホンの上部の外周と、その上方にある耳介の対耳輪脚との間に介在させるバネ材を備えたイヤホンの構成が開示されている。上記バネ材は、耳介からイヤホンが脱落することを困難にしている。   Patent Document 3 discloses a configuration of an earphone in which a conventional earphone is provided with a spring material interposed between an outer periphery of an upper portion of the earphone and an anti-auricular leg of an auricle above the earphone. The spring material makes it difficult for the earphone to fall off the auricle.

特開2000−341784号公報JP 2000-341784 A 特許第4088841号公報Japanese Patent No. 40888841 実用新案登録第3035591号公報Utility Model Registration No. 3035591

しかしながら、特許文献2記載の発明では、イヤホン全体の構成要素が固定化されており、ユーザーの耳の形状に合わせて柔軟に対応することができる範囲が限られていた。また、弾性体の柔軟性には材質上の限界があり、年齢、性別、人種によって大きく異なる個人の耳の形状に広く対応するには改良の余地があった。   However, in the invention described in Patent Document 2, the components of the entire earphone are fixed, and the range that can be flexibly adapted to the shape of the user's ear is limited. In addition, the flexibility of the elastic body has a limitation on the material, and there is room for improvement in order to widely cope with the shape of individual ears which varies greatly depending on age, sex, and race.

特許文献3記載の発明は、それを装着した際に弾性接触片部により耳外道の密閉状態が確保されないことになり、外部からの音の侵入を遮断し、内部の音の外漏れを防止することができないほか、低音域の再現性を優れたものとすることができなかった。また、イヤホン全体の構成要素が固定化されており、特許文献2記載の発明と同様に、個人によって違う耳の形状に広く対応するには改良の余地があった。   In the invention described in Patent Document 3, the sealed state of the outer ear canal is not ensured by the elastic contact piece when it is worn, and the intrusion of sound from the outside is blocked and the outside leakage of the sound inside is prevented. In addition, the reproducibility of the bass range could not be improved. In addition, since the components of the entire earphone are fixed, there is room for improvement in order to deal widely with different ear shapes depending on individuals, as in the invention described in Patent Document 2.

一般的な形態のイヤホンを設計することは、オーディオメーカーの開発者にとって比較的容易と考えられるが、耳の形状や大きさに関する個人差は生体工学的アプローチによって認識され、オーディオメーカーの開発者の関心領域である音響、電子工学、金型によるプラスティック成型技術などとは乖離があるため、耳の形状や大きさに関する個人差を想定し、イヤホンを設計することは容易なことではなかった。   It is considered relatively easy for audio maker developers to design earphones in a general form, but individual differences in ear shape and size are recognized by biotechnological approaches, and audio maker developers Since there are divergences from the areas of interest such as acoustics, electronics, and plastic molding technology using molds, it is not easy to design earphones assuming individual differences in ear shape and size.

本発明は、従来技術の上記課題に鑑み、スピーカユニットを内蔵させたハウジングを耳甲介側に装着して使用する際に、個人によって違う多様な耳の形や大きさに適合して、ハウジングが容易には脱落しないようにし、外部からの音はその侵入を遮断し、内部の音は外漏れを防止し、低音域の再現性を優れたものとするイヤホンを提供することを目的とする。   In view of the above-mentioned problems of the prior art, the present invention is adapted to various ear shapes and sizes that vary depending on individuals when a housing incorporating a speaker unit is used on the concha side. It is intended to provide an earphone that does not easily fall off, blocks external sounds from entering, prevents internal sounds from leaking out, and has excellent reproducibility in the low range. .

本発明は、スピーカユニットを内蔵して耳介の外耳道側に挿入された際に耳殊側と耳甲介側との間に保持されるハウジングと、ハウジング側に取り付けられて耳甲介側からの脱落を阻止する耳介用支持部材と、筒状を呈してハウジングの放音面側に配設された外耳道挿入部と、外耳道挿入部に取り付けられて外耳道の内周面に弾性変形を伴って密接するように形成された外耳道密閉部材と、を備え、耳介用支持部材は、頂端部と回転部とを備え、回転部がハウジングの軸線方向端部を中心に回転可能に設けられることにより、頂端部が側壁面に係合することを最も主要な特徴とする。 The present invention includes a housing that is held between the auricular side and the concha side when the speaker unit is incorporated and inserted into the external auditory canal side of the auricle, and is attached to the housing side from the auricular side. Supporting member for auricle that prevents dropping of the ear , an external ear canal insertion portion that is cylindrical and disposed on the sound emitting surface side of the housing, and an inner peripheral surface of the external ear canal that is attached to the external ear canal insertion portion is elastically deformed An ear canal sealing member formed so as to be in close contact with each other, and the auricular support member includes a top end portion and a rotation portion, and the rotation portion is provided to be rotatable around the axial end portion of the housing. Thus, the main feature is that the top end portion engages with the side wall surface.

本発明によれば、ハウジング側を耳介の外耳道内に挿入すると、耳珠側と耳甲介側とでこれを保持させることができるほか、耳介用支持部材を回転させることにより、耳甲介側と対輪側とを仕切る側壁面に対し頂端部を介して当接させることができる。それにより、ハウジング側を耳珠側と耳甲介側との間で保持されるように位置させることができるので、外力を受けた際の脱落を防ぎながら耳介側に確実に支持させることができる。   According to the present invention, when the housing side is inserted into the external auditory canal of the auricle, it can be held on the tragus side and the concha side, and by rotating the auricle support member, It can contact | abut via the top end part with respect to the side wall surface which partitions off a medial side and a wheel side. As a result, the housing side can be positioned so as to be held between the tragus side and the concha side, so that it can be reliably supported on the auricle side while preventing dropout when receiving external force. it can.

本発明に係るイヤホンの実施例の(a)は正面図、(b)は(a)の軸A−A´に沿う断面図である。(A) of the Example of the earphone which concerns on this invention is a front view, (b) is sectional drawing which follows the axis | shaft AA 'of (a). 上記実施例の下面図である。It is a bottom view of the said Example. 上記実施例の側面図である。It is a side view of the said Example. 上記実施例の側面図である。It is a side view of the said Example. 上記実施例の使用状態を示す正面図である。It is a front view which shows the use condition of the said Example. 従来のイヤホンの例を示す斜視図である。It is a perspective view which shows the example of the conventional earphone.

図1(a)は、本発明のイヤホン7の実施例を示す正面図である。また、図1(b)は、図1(a)中の線A−A´に沿う断面図である。図1(a)によると、イヤホン7は、ハウジング2と、ハウジング2の外側に配置されている耳介用支持部材1とを含んで、その全体が構成されている。   Fig.1 (a) is a front view which shows the Example of the earphone 7 of this invention. Moreover, FIG.1 (b) is sectional drawing in alignment with line AA 'in Fig.1 (a). According to FIG. 1A, the earphone 7 includes a housing 2 and an auricle support member 1 disposed outside the housing 2, and the whole is configured.

図1(a)で示す耳介用支持部材1は、棒状に形成されているホールディングバー1aと、ハウジング2に接合し、ハウジング2に対して相対回転するように形成されている回転部1bとで構成されている。ハウジング2への耳介用支持部材1の取り付けは、軸と軸孔との嵌合など適宜の取付け構造を適用することができる。ホールティングバー1aの形状は先細りでも先太りでもよい。また、ホールディングバー1aの回転部1b中心から先端部分までの長さは本発明のイヤホン7の脱落を防ぐことができる限りにおいては、適宜の長さを選択することができる。   The auricular support member 1 shown in FIG. 1A includes a holding bar 1 a formed in a rod shape, and a rotating portion 1 b that is joined to the housing 2 and is configured to rotate relative to the housing 2. It consists of For attaching the auricle support member 1 to the housing 2, an appropriate attachment structure such as fitting of a shaft and a shaft hole can be applied. The shape of the holding bar 1a may be tapered or tapered. The length from the center of the rotating portion 1b to the tip of the holding bar 1a can be selected as long as the earphone 7 of the present invention can be prevented from falling off.

ホールディングレバー1aの先端部分は、滑り止めとして弾性変形が可能なエラストマーやシリコーンゴムなど、滑り止めとして機能する弾性素材で覆うと好ましく、さらに、滑り止めの機能を高めるため、球状など係合しやすい形状にすると好ましい。上記滑り止めは、ホールディングレバー1aに着脱自在に構成してもよい。   The tip of the holding lever 1a is preferably covered with an elastic material that functions as an anti-slip material, such as an elastomer or silicone rubber that can be elastically deformed as an anti-slip material. The shape is preferable. The anti-slip may be configured to be detachable from the holding lever 1a.

耳介用支持部材1は、その回転部1bが図示の例と同じ構成であってもよいし、ホールティングレバー1aの先端を別部材により形成することもできる。ホールティングレバー1aの先端の素材としては、例えば、気泡を有する海綿のような軟質材やソフトタッチの部材を用いて形成するとよい。こうすることにより、個々人の耳の大きさや形の違いに柔軟に適合することができる。   The auricle support member 1 may have the same configuration as the illustrated rotating portion 1b, or the tip of the holding lever 1a may be formed by a separate member. As a material of the tip of the holding lever 1a, for example, a soft material such as sponge having bubbles or a soft touch member may be used. By doing so, it is possible to flexibly adapt to differences in the size and shape of the individual ears.

図1(b)で示すように、ハウジング2には、スピーカユニット6が内蔵され、スピーカユニット6は、例えば図示しない振動板と、この振動板を駆動する磁気回路などで構成されている。図1(a)において、ハウジング2の前端面に備えられた外耳道密閉部材3は、図4に示す耳介13の外耳孔14側に挿入して耳珠12側と耳甲介15側とでこれを保持させることができる適宜の形状が付与されて形成されている。図3で示すように、ハウジング2はその前端面に円筒状の外耳道挿入部2aを備え、外耳道挿入部2aを介してスピーカユニット6により生成される音を鼓膜側へと導出することができるようになっている。ハウジング2の後端外周部からは、ハウジング2の半径方向外側に向かってコード保持部4が延び出ている。コード保持部4は、図1(b)におけるスピーカユニット6から引き出されている接続コード5を外部へと導出するものである。   As shown in FIG. 1B, the housing 2 incorporates a speaker unit 6, and the speaker unit 6 includes, for example, a diaphragm (not shown) and a magnetic circuit that drives the diaphragm. In FIG. 1A, the external ear canal sealing member 3 provided on the front end surface of the housing 2 is inserted into the external ear hole 14 side of the auricle 13 shown in FIG. It is formed with an appropriate shape that can hold it. As shown in FIG. 3, the housing 2 is provided with a cylindrical outer ear canal insertion part 2a on the front end surface thereof, so that sound generated by the speaker unit 6 can be led out to the eardrum side via the ear canal insertion part 2a. It has become. A cord holding portion 4 extends from the outer peripheral portion of the rear end of the housing 2 toward the outside in the radial direction of the housing 2. The cord holding part 4 leads the connection cord 5 drawn from the speaker unit 6 in FIG. 1B to the outside.

図2において、中心軸線Bは耳介用支持部材1の回転中心軸線を示しており、中心軸線Cは、ハウジング2および上記外耳道挿入部2aの中心軸線を示している。したがって、本実施例がユーザーによって使用されているときは、上記中心軸線Cは、ユーザーの外耳道の中心軸線と一致する。図2で示すように、ハウジング2は、その放音面が外耳道方向の軸線Cと同じ方向を向き、耳介用支持部材1の回転部1aは、ハウジング2と軸線Bを中心に相対回転するように備えられている。そして、本実施例がユーザーによって使用されている状態において、ハウジング2に対して耳介用支持部材1を回転させると、耳介用支持部材1が、図5に示す耳甲介16側と対輪15側とを仕切る側壁面11に沿って回転するように、上記中心軸線Bと中心軸線Cとが所定の角度をなすように設定されている(図2参照)。∠BCは、図3のように、人の耳の形状から脱落のしにくさを考慮すると、20°ないし40°にすると好ましく、31.5°にすると特に好ましい。このような軸線B、Cの角度でハウジング2と耳介用支持部材1が構成されることにより、ハウジング2が外耳孔14に保持されている状態において、耳介用支持部材1が側壁面11に係合するため、外耳孔14によるハウジング2の保持力と、耳介用支持部材1が側壁面11に係合することにより得られる姿勢保持力とが得られ、イヤホン7の緩みの防止を一層確実なものとすることができる。   In FIG. 2, the central axis B indicates the rotational central axis of the auricle support member 1, and the central axis C indicates the central axis of the housing 2 and the external auditory canal insertion portion 2a. Therefore, when the present embodiment is used by a user, the central axis C coincides with the central axis of the user's ear canal. As shown in FIG. 2, the housing 2 has its sound emitting surface facing the same direction as the axis C in the ear canal direction, and the rotating portion 1 a of the auricular support member 1 rotates relative to the housing 2 and the axis B. It is equipped as such. When the auricle support member 1 is rotated with respect to the housing 2 in a state where this embodiment is used by the user, the auricle support member 1 is opposed to the auricle 16 side shown in FIG. The central axis B and the central axis C are set to form a predetermined angle so as to rotate along the side wall surface 11 that partitions the wheel 15 side (see FIG. 2). As shown in FIG. 3, the heel BC is preferably 20 ° to 40 °, particularly preferably 31.5 °, considering the difficulty of falling off from the shape of the human ear. By configuring the housing 2 and the auricle support member 1 at such angles of the axes B and C, the auricle support member 1 is in the side wall surface 11 in a state where the housing 2 is held in the outer ear hole 14. Therefore, the holding force of the housing 2 by the outer ear hole 14 and the posture holding force obtained by engaging the auricle support member 1 with the side wall surface 11 can be obtained, and the earphone 7 can be prevented from loosening. It can be made more reliable.

前記外耳道密閉部材3の開口部3aは、図6に示す従来例の開口部23と同様に、ユーザーが耳に装着した状態で外耳道方向に向いている。また、イヤホン7におけるハウジング2が備える外耳道挿入部2aには、外耳道密閉部材3が図6に示す従来例の外耳道挿入部22への取付け部21aと同様に、取り付け部3cを介して外耳道挿入部2aに取り付けられており、装着時にその弾性接触片部3bが外耳道の内周面を密閉するように弾性変形させながら接触させることができる。   The opening 3a of the ear canal sealing member 3 is oriented in the direction of the ear canal when the user is wearing the ear, like the opening 23 of the conventional example shown in FIG. Further, in the ear canal insertion portion 2a provided in the housing 2 of the earphone 7, the ear canal sealing member 3 is connected to the ear canal insertion portion via the attachment portion 3c in the same manner as the attachment portion 21a to the ear canal insertion portion 22 of the conventional example shown in FIG. The elastic contact piece 3b is attached to 2a and can be contacted while being elastically deformed so that the inner peripheral surface of the ear canal is sealed when worn.

ハウジング2と一体に設けられた外耳道挿入部2aには、弾性変形を伴って外耳道の壁面に密着する外耳道密閉部材3が取り付けられているので、外耳道密閉部材3を弾性変形させながらユーザーの外耳孔14の壁面を密閉するように接触させることができる。これにより、外部音の遮断や内部音の外漏れを防止することができるほか、低音域の再現性を優れたものとすることができる。外耳道密閉部材3がもたらすこのような効果は、耳介用支持部材1により得られる姿勢保持力と、外耳孔14によるハウジング2の装着力に緩みを生じさせないことにより、イヤホンの脱落防止を一層確実なものとすることができる。   The ear canal insertion part 2a provided integrally with the housing 2 is provided with the ear canal sealing member 3 that is brought into close contact with the wall of the ear canal with elastic deformation, so that the user's ear canal is elastically deformed while the ear canal sealing member 3 is elastically deformed. The 14 wall surfaces can be brought into contact so as to be sealed. As a result, it is possible to prevent the external sound from being cut off and the internal sound from leaking out, and to improve the reproducibility of the low sound range. Such an effect brought about by the ear canal sealing member 3 prevents the earphone from falling off by preventing the posture holding force obtained by the auricle support member 1 and the mounting force of the housing 2 by the outer ear hole 14 from being loosened. Can be.

図5に示すように、接続コード5が引き出されるコード保持部4を耳介13の上に向かって案内させる位置関係のもとで、外耳孔14にハウジング2を装着した際、耳介用支持部材1におけるホールディングバー1aの頂端部側が、耳甲介16側と対輪15側とを仕切る側壁面11に沿って回転移動することにより、外耳孔14と側壁面11の距離や形状などが個人により違っていても、ホールディングバー1aの頂端部を上記側壁面11に係合させることができる。図2に示す例のように、イヤホンをユーザーの耳に装着した状態で、接続コード5が引き出されるコード保持部4が、耳介13の上方に向くように設計しておけば、接続コード5を耳介13の上側約半周にわたって巻き掛けることができるため、イヤホンをより安定に保持することができる。ただし、イヤホンをユーザーの耳に装着した状態で、コード保持部4が、耳介13の上方に向くように設計するか否かは任意であり、下を向くように設計してもよい。   As shown in FIG. 5, when the housing 2 is attached to the outer ear hole 14 under the positional relationship in which the cord holding part 4 from which the connection cord 5 is drawn is guided toward the auricle 13, the auricle support is supported. The top end side of the holding bar 1a in the member 1 rotates and moves along the side wall surface 11 that partitions the concha 16 side and the opposite wheel 15 side, so that the distance and shape of the outer ear hole 14 and the side wall surface 11 are personal. Even if it is different, the top end portion of the holding bar 1a can be engaged with the side wall surface 11. If the cord holding part 4 from which the connection cord 5 is pulled out is designed to face the upper side of the auricle 13 with the earphone attached to the user's ear as in the example shown in FIG. Can be wrapped around the upper half of the auricle 13, so that the earphone can be held more stably. However, whether or not the cord holding unit 4 is designed to face upward of the auricle 13 with the earphone attached to the user's ear is arbitrary, and may be designed to face downward.

(脱落試験)
先行技術文献1に示す従来のカナル型イヤホン24と、本発明におけるイヤホン7とを同じ被験者の右耳の耳介に装着させ、各イヤホンのケーブルに同様のおもりを、ケーブルの同じ位置に装着し、脱落試験を行った。また、本試験は、おもりの重量を10g単位で重くしていき、何gで被験者の右耳の耳介から各イヤホンが脱落するか否かの試験を行った。
(Dropping test)
The conventional canal type earphone 24 shown in the prior art document 1 and the earphone 7 of the present invention are attached to the right ear of the same subject, and the same weight is attached to the cable of each earphone at the same position of the cable. A dropout test was conducted. In this test, the weight of the weight was increased in units of 10 g, and a test was performed to determine whether each earphone dropped from the pinna of the subject's right ear.

従来のカナル型イヤホン24を被験者に装着させ、おもりの重量を10グラムずつ重くさせていくと、重量80gの段階で、被験者の右耳の外介からずれを起こした。また、100g以上では、被験者の耳介から脱落を起こした。   When the subject was wearing the conventional canal-type earphone 24 and the weight was increased by 10 grams, the external ear of the subject's right ear was displaced at a weight of 80 g. In addition, at 100 g or more, dropping occurred from the subject's pinna.

本発明に係るイヤホン7を被験者に装着させ、おもりの重量を10gずつ変化させると重量300gまでおもりの重量を増加させても本発明のイヤホンは被験者の耳介から脱落しなかった。以上の結果から、本発明に係るイヤホン7のように耳介用支持部材1があることは、ずれあるいは脱落を防止することに優位性があることが判った。なお、上記実施例において、本発明に係るイヤホン7の図2における上記中心軸線Bと中心軸線Cとが所定の角度をなす角度は、31.5°にし、20°〜40°においても同様の結果が得られた。   When the subject was wearing the earphone 7 according to the present invention and the weight weight was changed by 10 g, the earphone of the present invention did not fall off from the subject's auricle even when the weight weight was increased to 300 g. From the above results, it has been found that the presence of the auricle support member 1 like the earphone 7 according to the present invention has an advantage in preventing displacement or dropout. In addition, in the said Example, the angle which the said center axis line B and the center axis line C in FIG. 2 of the earphone 7 which concerns on this invention makes a predetermined angle shall be 31.5 degrees, and the same also in 20 degrees-40 degrees Results were obtained.

以上は、本発明に係るイヤホンを図示の実施例に基づいて説明したものであり、その具体的な構成はこれに限定されるものではない。例えば、ハウジング2は、外耳道密閉部材3を有しないものであってもよい。また、図示の実施例では、耳介用支持部材1がハウジング2の軸線方向端部に回転可能に嵌合されていたが、ハウジング2の外周面に沿って回転するような構成にしてもよい。   The above is a description of the earphone according to the present invention based on the illustrated embodiment, and the specific configuration thereof is not limited thereto. For example, the housing 2 may not have the ear canal sealing member 3. In the illustrated embodiment, the auricle support member 1 is rotatably fitted to the axial end portion of the housing 2, but may be configured to rotate along the outer peripheral surface of the housing 2. .

1 耳介用支持部材
1a 耳介用支持部材のホールディングバー
1b 耳介用支持部材の回転部
2 ハウジング
2a 外耳道挿入部
3 外耳道密閉部材
3a 開口部
3b 弾性接触片部
3c 取り付け部
4 コード保持部
5 接続コード
6 スピーカユニット
7 イヤホン
11 耳甲介側と対輪側とを仕切る側壁面
12 耳珠
13 耳介
14 外耳孔
15 対輪
16 耳甲介
DESCRIPTION OF SYMBOLS 1 Support member 1a for auricle Holding bar 1b of support member for auricle 2 Rotating part 2 of support member for auricle 2 Housing 2a Insertion part 3 of external ear canal Sealing member 3a Opening part 3b Elastic contact piece part 3c Attachment part 4 Cord holding part 5 Connection cord 6 Speaker unit 7 Earphone 11 Side wall surface that separates the concha side and the other wheel side 12 tragus 13 ear pin 14 outer ear hole 15 wheel 16 ear concha

Claims (8)

スピーカユニットを内蔵して耳介の外耳道側に挿入された際に耳殊側と耳甲介側との間に保持されるハウジングと、
上記ハウジング側に取り付けられて上記耳甲介側からの脱落を阻止する耳介用支持部材と
筒状を呈して上記ハウジングの放音面側に配設された外耳道挿入部と、
上記外耳道挿入部に取り付けられて上記外耳道の内周面に弾性変形を伴って密接するように形成された外耳道密閉部材と、
を備え、
上記耳介用支持部材は、頂端部と回転部とを備え、
上記回転部が上記ハウジングの軸線方向端部を中心に回転可能に設けられることにより、上記頂端部が上記側壁面に係合する、
ことを特徴とするイヤホン。
A housing with a built-in speaker unit that is held between the auricular side and the concha side when inserted into the ear canal side of the auricle,
And ear via a support member mounted on the housing side to prevent the falling off from the concha side,
An external auditory canal insertion portion disposed in a sound emitting surface side of the housing and presenting a cylindrical shape;
An ear canal sealing member that is attached to the ear canal insertion portion and is formed to come into close contact with the inner peripheral surface of the ear canal with elastic deformation;
With
The auricle support member includes a top end portion and a rotating portion,
By the rotating part is rotatably provided centering on an axial end of the housing, the top end engages with the side wall,
Earphone characterized by that.
上記耳介用支持部材は、弾性素材により形成される、
請求項1に記載のイヤホン。
The auricle support member is formed of an elastic material.
The earphone according to claim 1.
上記ハウジングは、その放音面が上記外耳道方向を向き、上記耳介用支持部材の回転部は上記ハウジングと相対回転するように備えられ、その回転方向が上記側壁面に沿っている請求項1〜2に記載のイヤホン。 The housing, the sound emitting surface faces the ear canal direction, the rotating part of the auricle support member is arranged to rotate relative to the housing, according to claim its rotational direction is along the sidewall surface 1 The earphone of Claim 2. 上記ハウジング放音面の上記外耳道方向への向きを示す中心軸線と、上記耳介用支持部材の回転部の中心軸線とでなす角が20°ないし40°である請求項3に記載のイヤホン。 A central axis indicating the direction to the ear canal direction of the housing sound emitting surface, earphone of claim 3 angle formed by the center axis of the rotating part of the auricle supporting member is to not 20 ° 40 °. 上記ハウジング放音面の上記外耳道方向への向きを示す中心軸線と、上記耳介用支持部材の回転部の中心軸線とでなす角が31.5°である請求項3に記載のイヤホン。 Earphone of claim 3 angle formed by the central axis indicating the direction to the ear canal direction of the housing sound surface, the center axis of the rotating part of the auricle supporting member is 31.5 °. 上記耳介用支持部材の上記耳甲介の側壁面に沿って係合する部分が、棒の形状である請求項1〜5に記載のイヤホン。 Portion engaging along the side wall surface of the concha of the auricle supporting member, earphone of claim 1-5 in the shape of a rod. 上記耳介用支持部材の先端は、弾性体で覆われている請求項1〜5に記載のイヤホン。 The earphone according to claim 1, wherein a tip of the auricle support member is covered with an elastic body. 上記耳介用支持部材の先端の弾性体は滑り止め用ゴムである請求項に記載のイヤホン。 The earphone according to claim 7 , wherein the elastic body at the tip of the auricle support member is a non-slip rubber.
JP2009043585A 2009-02-26 2009-02-26 earphone Expired - Fee Related JP5281436B2 (en)

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