JP2003284177A - Ear pad and earphone provided with the same - Google Patents
Ear pad and earphone provided with the sameInfo
- Publication number
- JP2003284177A JP2003284177A JP2002111116A JP2002111116A JP2003284177A JP 2003284177 A JP2003284177 A JP 2003284177A JP 2002111116 A JP2002111116 A JP 2002111116A JP 2002111116 A JP2002111116 A JP 2002111116A JP 2003284177 A JP2003284177 A JP 2003284177A
- Authority
- JP
- Japan
- Prior art keywords
- sound insulation
- ear pad
- ear
- wall
- main body
- 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.)
- Granted
Links
Landscapes
- Headphones And Earphones (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、耳の孔（外耳
道）に入れて着脱可能に装着されるイヤーパッド及び該
パッドを具えたイヤホーンに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ear pad that is removably attached to an ear hole (external ear canal) and an earphone including the pad.
【０００２】[0002]
【従来の技術】従来のこの種のイヤーパッド５１は、例
えば図６，７に耳栓に適用した例を示すように、中空円
筒状の本体５２の先端に後端側に向けて１枚の薄い球形
のシリコーンゴム等からなるフイット部５３を設け、該
フイット部で外耳道アにフイットさせるとともに、外耳
道の大きさに対する径方向の柔軟性を出すようになって
いる。2. Description of the Related Art A conventional ear pad 51 of this type, as shown in FIGS. 6 and 7 as an example applied to an earplug, has a hollow cylindrical main body 52 having one thin end toward the rear end. A fit portion 53 made of spherical silicone rubber or the like is provided, and the fit portion 53 is fitted to the external auditory meatus a while providing flexibility in the radial direction with respect to the size of the external auditory meatus.
【０００３】前記のようなイヤーパッド５１を外耳道ア
に挿入して装着すると、イヤーパッドはフイット部５３
で柔らかさを出しているので入れることはできるが、外
耳道アの内壁入口は奥側に小径となるテーパが付いてい
るため、挿入したときに図示のようにフイット部５３が
押しつぶされる力Ｆの中に、抜ける方向の力Ｐが働き、
抜けやすい。抜ける方向の力Ｐを妨げるのはフイット部
５３の外面と外耳道内壁の摩擦力のみである。したがっ
て、イヤーパッド５１のフイット部５３が柔らかすぎる
と摩擦力が少なくなり抜けやすくなるし、硬すぎると外
耳道内壁を圧迫し、短時間の装着でも痛みをともなう。When the ear pad 51 as described above is inserted into the external auditory meatus a and mounted, the ear pad 51 is fitted with the fit portion 53.
Since it has a softness, it can be inserted, but since the inner wall entrance of the external auditory meatus a has a taper with a small diameter on the back side, the force F that crushes the fit part 53 when inserted is shown. Inside, the force P in the direction to come off acts,
Easy to pull out. Only the frictional force between the outer surface of the fit portion 53 and the inner wall of the ear canal interferes with the force P in the removing direction. Therefore, if the fit portion 53 of the ear pad 51 is too soft, the frictional force will be small and it will be easy to slip out, and if it is too hard, the inner wall of the ear canal will be pressed and the ear pad 51 will be painful even if it is worn for a short time.
【０００４】図８は外耳道内でイヤーパッド５１のフイ
ット部５３が変形した断面図である。外耳道アの形状、
大きさに個人差がかなりあり、寸法関係が微妙で、少し
フイット部５３を奥側に差し込んだり、またはフイット
部５３が外耳道より大きいと、球形となった外面が一体
のため変形の逃げ場がなくなって変形を起こし、フイッ
ト部５３の円周方向の一部に隙間５５が生じて遮音性が
悪くなる。そのため、個人差を考慮してイヤーパッド５
１のサイズをＳ，Ｍ，Ｌの３種として対応しようにも、
対応しきれないのが現状である。また、装着されるとフ
イット部５３の外面のほぼ全体で外耳道内壁と密着して
接触するため、皮膚が敏感な人等ではかぶれやすく、長
時間の装着時にはムレるため、刺激が起きやすくなり、
また汗や脂で抜けやすくなる。FIG. 8 is a cross-sectional view of the fit portion 53 of the ear pad 51 deformed in the ear canal. The shape of the ear canal
There are considerable individual differences in size, and the dimensional relationship is subtle, and if the fit part 53 is inserted a little behind, or if the fit part 53 is larger than the ear canal, there is no escape area for deformation because the spherical outer surface is integrated. As a result, deformation occurs, and a gap 55 is formed in a part of the fit portion 53 in the circumferential direction, resulting in poor sound insulation. Therefore, considering the individual differences, the ear pad 5
Even if you try to support 1 size as 3 types of S, M, L,
The current situation is that we cannot handle it. Further, when attached, almost the entire outer surface of the fit portion 53 comes into close contact with the inner wall of the external auditory meatus, so that people with sensitive skin or the like are easily rashed, and when worn for a long time, they are stuffy and irritation easily occurs.
In addition, it becomes easy to come off with sweat and oil.
【０００５】[0005]
【発明が解決しようとする課題】そこでこの発明は、前
記のような従来の問題点を解決し、外耳道の敏感な触覚
を刺激しない柔らかい装着性を有し、外耳道の形状や大
きさに個人差があっても、柔軟に対応することができ、
しかもスムーズな着脱でありながら、汗や脂による摩擦
力の低下に影響されにくいとともに、皮膚の弱い人でも
ムレやかぶれが起きにくく、違和感が無く使用でき、抜
ける方向の力に対しても有効で抜けにくく、外部の侵入
音の減衰性を高めることができ、密封性、遮音性に優れ
たイヤーパッド及び該パッドを具えたイヤホーンを提供
することを目的とする。Therefore, the present invention solves the above-mentioned conventional problems, has a soft wearing property that does not stimulate the sensitive tactile sensation of the external auditory meatus, and has individual differences in the shape and size of the external auditory meatus. Even if there is, you can respond flexibly,
Moreover, even though it is smoothly attached and removed, it is not easily affected by the reduction of frictional force due to sweat and oil, and even people with weak skin do not easily get stuffy or rash, it can be used without feeling discomfort, and it is also effective against the force in the direction of removal. An object of the present invention is to provide an ear pad that is hard to come off, can enhance the attenuation of external intruding sound, and is excellent in hermeticity and sound insulation, and an earphone including the ear pad.
【０００６】[0006]
【課題を解決するための手段】前記目的を達成するた
め、請求項１のイヤーパッドの発明は、外耳道に入れて
着脱可能に装着されるものであって、シリコーンゴムな
どゴム又はポリプロピレンなど軟質合成樹脂等の弾性材
料で中空円筒状に形成された本体の外周面に、該本体と
同じ材料からなる多数のひだ状遮音壁が軸方向に所定の
間隔をおいてリング状に一体に設けられていることを特
徴とする。請求項２のイヤーパッドの発明は、請求項１
において、遮音壁は、外耳道への装着の際に、外周縁で
外耳道内壁と接触する遮音壁が後端側にたわみ、該たわ
んで隣接する遮音壁と遮音壁の間の間隔に密閉空間が形
成されるようになっていることを特徴とする。In order to achieve the above object, the invention of the ear pad according to claim 1 is to be removably attached to the ear canal, which is made of rubber such as silicone rubber or soft synthetic resin such as polypropylene. A large number of pleated sound insulation walls made of the same material as the main body are integrally provided in a ring shape at a predetermined interval in the axial direction on the outer peripheral surface of the main body made of an elastic material such as a hollow cylinder. Is characterized by. The invention of the ear pad according to claim 2 is the same as claim 1
In the sound insulation wall, when the sound insulation wall is attached to the ear canal, the sound insulation wall that contacts the inner wall of the ear canal bends at the outer peripheral edge toward the rear end side so that a closed space is formed in the space between the adjacent sound insulation walls. It is characterized by becoming.
【０００７】請求項３のイヤーパッドの発明は、請求項
１又は２において、遮音壁は、先端側の遮音壁が徐々に
小径となっていることを特徴とする。請求項４のイヤー
パッドの発明は、請求項３において、遮音壁は、本体の
中心軸線と直交する向きに設けられ、かつ肉厚が外周縁
に向けて薄くなっていることを特徴とする。請求項５の
イヤーパッドの発明は、請求項１又は２において、遮音
壁は、同径となっていて、やや後端側に傾いており、か
つ肉厚が外周縁に向けて薄くなっていることを特徴とす
る。請求項６のイヤーパッドの発明は、請求項１ないし
５のいずれかにおいて、遮音壁は、吸音性気泡を含んで
いることを特徴とする。The invention of the ear pad according to claim 3 is the ear pad according to claim 1 or 2, wherein the sound insulating wall on the front end side is gradually reduced in diameter. The invention of the ear pad according to claim 4 is the ear pad according to claim 3, wherein the sound insulation wall is provided in a direction orthogonal to the central axis of the main body, and the wall thickness decreases toward the outer peripheral edge. According to a fifth aspect of the invention of the ear pad, in the first or second aspect, the sound insulating wall has the same diameter, is slightly inclined toward the rear end side, and has a thin wall thickness toward the outer peripheral edge. Characterize. The invention of an ear pad according to a sixth aspect is the ear pad according to any one of the first to fifth aspects, wherein the sound insulation wall contains sound absorbing bubbles.
【０００８】請求項７のイヤーパッドの発明は、請求項
１ないし６のいずれかにおいて、遮音壁は、最大外径が
本体の外径の２倍より小さくなっていることを特徴とす
る。請求項８のイヤーパッドの発明は、請求項１ないし
７のいずれかにおいて、遮音壁は、本体の外周面に５個
以上、１０個以下、設けられていることを特徴とする。
請求項９のイヤホーンの発明は、請求項１ないし８のい
ずれかに記載のイヤーパッドをイヤホーン本体の先端部
に具えたことを特徴とする。The invention of an ear pad according to claim 7 is the ear pad according to any one of claims 1 to 6, wherein the sound insulation wall has a maximum outer diameter smaller than twice the outer diameter of the main body. The invention of an ear pad according to claim 8 is the ear pad according to any one of claims 1 to 7, characterized in that the sound insulation walls are provided on the outer peripheral surface of the main body in an amount of 5 or more and 10 or less.
The invention of the earphone according to claim 9 is characterized in that the ear pad according to any one of claims 1 to 8 is provided at a tip portion of the earphone body.
【０００９】[0009]
【発明の実施の形態】この発明の一実施の形態をイヤホ
ーンに適用した添付図面を参照して説明する。図１はイ
ヤーパッドをイヤホーン本体の先端部に具えたイヤホー
ンの縦断正面図であり、１はイヤーパッドで、イヤホー
ン２のイヤホーン本体３の先端部に装着されている。イ
ヤホーン本体３は中空の球状体４と、該球状体の一部か
ら突出状に一体に形成されて先端開口部５が球状体４内
と連通した所定長さの中空筒状体６とからなっている。
球状体４内にはスピーカ７が中空筒状体６の先端開口部
５を向いて配設されている。中空筒状体６は先端側が徐
々に小径となるように形成され、その先端側外周面には
環状の係止凹部８が形成されている。この係止凹部８に
はイヤーパッド１の後端側内周面に形成された環状の係
止凸部９が係止し、これによりイヤーパッド１がイヤホ
ーン本体３の先端部に装着される。BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described with reference to the accompanying drawings in which an earphone is applied. FIG. 1 is a vertical sectional front view of an earphone having an ear pad at the tip of the earphone body. Reference numeral 1 denotes an earpad, which is attached to the tip of the earphone body 3 of the earphone 2. The earphone body 3 comprises a hollow spherical body 4 and a hollow cylindrical body 6 of a predetermined length, which is integrally formed in a protruding manner from a part of the spherical body and has a tip opening 5 communicating with the inside of the spherical body 4. ing.
A speaker 7 is arranged in the spherical body 4 so as to face the front end opening 5 of the hollow cylindrical body 6. The hollow cylindrical body 6 is formed so that the tip side gradually becomes smaller in diameter, and an annular locking recess 8 is formed on the outer peripheral surface of the tip side. An annular locking projection 9 formed on the inner peripheral surface of the rear end side of the ear pad 1 is locked in the locking recess 8, so that the ear pad 1 is attached to the tip of the earphone body 3.
【００１０】イヤーパッド１は生体に適するシリコーン
ゴムで製作され、図２にも示すように、外耳道アに入れ
て着脱可能に装着されるものであって、中空円筒状に形
成された先、後端の両端が開口した本体１１を具えてい
る。図２において、（Ａ）は正面図、（Ｂ）は左側面
図、（Ｃ）は右側面図、（Ｄ）は（Ｂ）のＡ−Ａ線に沿
う縦断正面図を示している。本体１１の先端側外周面は
徐々に小径となっており、該外周面を含む本体１１の外
周面には本体１１と同じ材料からなる多数の薄肉ひだ状
遮音壁１２が軸方向に所定の間隔をおいてリング状に、
かつ先端側の遮音壁１２が徐々に小径となるように一体
に設けられている。これら遮音壁１２は本体１１の中心
軸線と直交する向きに設けられている。そして、これら
の遮音壁１２で、従来のフイット部５３に相当する球状
の膨らみのあるパット部１３を構成する。イヤーパッド
１の硬度はＪＩＳ硬度計での計測で３０度、４０度、５
０度のいずれかであることが好ましい。The ear pad 1 is made of a silicone rubber suitable for a living body, and is detachably attached to the ear canal a as shown in FIG. 2. The ear pad 1 is formed into a hollow cylindrical shape. The main body 11 is open at both ends. 2, (A) is a front view, (B) is a left side view, (C) is a right side view, and (D) is a vertical sectional front view taken along the line AA of (B). The outer peripheral surface on the front end side of the main body 11 is gradually reduced in diameter, and on the outer peripheral surface of the main body 11 including the outer peripheral surface, a large number of thin pleated sound insulation walls 12 made of the same material as the main body 11 are arranged at predetermined intervals in the axial direction. In a ring shape,
Moreover, the sound insulation wall 12 on the front end side is integrally provided so that the diameter thereof gradually becomes smaller. These sound insulation walls 12 are provided in a direction orthogonal to the central axis of the main body 11. The sound insulation wall 12 constitutes a pad portion 13 having a spherical bulge corresponding to the conventional fit portion 53. The hardness of the ear pad 1 is 30 degrees, 40 degrees, and 5 as measured by the JIS hardness tester.
It is preferably 0 degree.
【００１１】遮音壁１２はこの実施の形態では７個設け
ているが、これは好ましい一例であって、５個以上、１
０個以下、の範囲であれば任意の個数としてもよいし、
１０個に近い数であれば１１以上であってもよい。遮音
壁１２はその最大外径Ｄ１が本体１１の外径ｄの２倍よ
り小さく、最小外径Ｄ２が本体１１の外径ｄよりやや大
きくなっている。遮音壁１２は外耳道アの敏感な触覚を
刺激せず、イヤーパッド１に求められる柔らかい装着性
を保つため、肉厚Ｔが外周縁に向けて薄くなっている。
遮音壁１２と遮音壁１２の間隔Ｈは遮音壁１２の肉厚Ｔ
よりも大きくなっている。また、図示はしていないが、
遮音壁１２を含むイヤーパッド１全体には気泡が多数含
まれていて、該気泡により吸音性を保持している。前記
イヤーパッド１の係止凸部９は本体１１の最後端側に形
成された環状の凹部１４と中間部に形成された環状の凹
部１５との間に形成されている。Although seven sound insulation walls 12 are provided in this embodiment, this is a preferred example, and five or more, one or more are provided.
Any number may be used within the range of 0 or less,
The number may be 11 or more as long as it is close to 10. The sound insulation wall 12 has a maximum outer diameter D1 smaller than twice the outer diameter d of the main body 11 and a minimum outer diameter D2 slightly larger than the outer diameter d of the main body 11. The sound insulation wall 12 does not stimulate the sensitive tactile sensation of the external auditory meatus a, and has a thin wall thickness T toward the outer peripheral edge in order to maintain the soft wearability required for the ear pad 1.
The distance H between the sound insulation walls 12 is equal to the wall thickness T of the sound insulation walls 12.
Is bigger than Also, although not shown,
The ear pad 1 including the sound insulation wall 12 contains a large number of bubbles, and the bubbles retain sound absorption. The locking projection 9 of the ear pad 1 is formed between an annular recess 14 formed on the rearmost end side of the main body 11 and an annular recess 15 formed in the middle portion.
【００１２】イヤーパッド１における各部位のベストサ
イズの一例を示すと次の通りである。本体１１の軸方向
長さＬが９mm、外径ｄが８mmであり、遮音壁１２の本体
１１側基部の最大肉厚Ｔが０．５mm、最大外径Ｄ１が１
４mm、最小外径Ｄ２が８．５mmであり、遮音壁１２と遮
音壁１２の間隔Ｈが１mm〜１．３mmである。An example of the best size of each part of the ear pad 1 is as follows. The axial length L of the main body 11 is 9 mm, the outer diameter d is 8 mm, the maximum thickness T of the base of the sound insulation wall 12 on the main body 11 side is 0.5 mm, and the maximum outer diameter D1 is 1.
4 mm, the minimum outer diameter D2 is 8.5 mm, and the distance H between the sound insulation walls 12 is 1 mm to 1.3 mm.
【００１３】前記のようにイヤーパッド１を装着したイ
ヤホン２を、図３に示すようにイヤーパッド１の先端側
を耳に向けて外耳道アに挿入すると、外耳道の内壁と遮
音壁１２の外周縁が接触し、この接触したイヤーパッド
１の遮音壁１２が後端側にたわむ（倒れ込む）ようにし
て徐々にフイットする位置まで挿入される。この際、遮
音壁１２が矢印のようにくさび状に食い込む形となるの
で、外耳道内壁が遮音壁１２の外周縁にひっかかる形に
変形したり、外耳道内壁の小さな凹凸に遮音壁１２の外
周縁がひっかかり、抜けにくくなる力が発生する。した
がって、装着がきわめて安定したものとなる。When the earphone 2 fitted with the ear pad 1 as described above is inserted into the external auditory meatus a with the tip side of the ear pad 1 facing the ear as shown in FIG. 3, the inner wall of the external ear canal and the outer peripheral edge of the sound insulation wall 12 come into contact with each other. The sound insulation wall 12 of the contacted ear pad 1 is inserted to a position where the sound insulation wall 12 gradually bends (falls) toward the rear end side and gradually fits. At this time, since the sound insulation wall 12 has a wedge-like shape as shown by an arrow, the inner wall of the external auditory meatus is deformed to be caught by the outer peripheral edge of the sound insulation wall 12, or the outer peripheral edge of the sound insulating wall 12 is caught by the small unevenness of the inner wall of the external auditory meatus, so that it does not come off. The power to become difficult is generated. Therefore, the mounting is extremely stable.
【００１４】そしてこの装着状態では、たわんだ遮音壁
１２の外周縁がそれぞれピンポイントで外耳道アの内壁
に接触し、かつ隣接する遮音壁１２と遮音壁１２の間に
密閉空間が形成された状態となる。これで外耳道の奥側
が外部に対して密閉状になり、しかも密閉空間が奥側に
いくつも形成されることとなるので、密閉性、遮音性に
すぐれたものとなる。したがって、外部音に対しては一
次的には吸音性のある遮音壁１２により、また二次的に
は前記密閉空間により、効果的に減衰させることができ
る。In this mounted state, the bent outer peripheral edge of the sound insulation wall 12 is in pinpoint contact with the inner wall of the external auditory meatus a, and a sealed space is formed between the adjacent sound insulation walls 12. As a result, the back side of the ear canal becomes sealed to the outside, and a number of sealed spaces are formed on the back side, resulting in excellent sealing and sound insulation. Therefore, external sound can be effectively attenuated primarily by the sound insulating wall 12 having a sound absorbing property and secondarily by the closed space.
【００１５】密閉空間の作用に関してさらに説明する
と、従来のイヤーパッド５１では遮音効果を保つフイッ
ト部５３が１枚ものであるのに対し、このイヤーパッド
１は多数の遮音壁１２がそれぞれ独立して設けられてあ
るので、そのうちの１個が変形してその部分に従来のよ
うな隙間ができても、他の遮音壁に与える影響は接触し
ない限りおこらず、外耳道アの形状にそれぞれの遮音壁
１２が独立してフィットしていく。そのため、減衰性が
従来のものに比べてきわめて高い。To further explain the function of the closed space, in the conventional ear pad 51, there is only one fit portion 53 that maintains the sound insulation effect, whereas in this ear pad 1, a large number of sound insulation walls 12 are provided independently. Therefore, even if one of them is deformed and a gap like that in the past is created in that part, the effect on other sound insulation walls does not occur unless they come into contact with each other, and each sound insulation wall 12 is independent of the shape of the ear canal a. To fit. Therefore, the damping property is extremely higher than that of the conventional one.
【００１６】前記のように装着後の抜けに対して強く、
かつ外部音に対する減衰性が高いため、騒音のある所で
のイヤホーン２の使用に効果的であり、ノイズ対策とし
て必要不可欠のイヤーパッド１である。As described above, it is strong against disconnection after mounting,
In addition, since the earphones 1 have a high attenuation property with respect to external sound, they are effective for using the earphones 2 in a noisy place, and are essential ear pads 1 as a noise countermeasure.
【００１７】図４，５は別の実施の形態を示す。この実
施の形態に係るイヤーパッド２１も前記イヤーパッド１
と同様に生体に適するシリコーンゴムで製作され、イヤ
ホーン本体３の先端部に装着されるものであって、中空
円筒状に形成された先、後端の両端が開口した本体３１
を具えている。イヤーパッド１の本体と同様に本体３１
には中間部に環状の係止凸部２９が形成され、その前後
に環状の凹部３４，３５が形成されている。本体３１の
外周面には本体３１と同じ材料からなる多数の薄肉ひだ
状遮音壁３２が軸方向に所定の間隔をおいてリング状に
一体に設けられている。これら多数の遮音壁３２で、従
来のフイット部５３に相当するパット部３３を構成す
る。4 and 5 show another embodiment. The ear pad 21 according to this embodiment is also the ear pad 1
The body 31 is made of a silicone rubber suitable for a living body and attached to the tip of the earphone body 3 and is formed into a hollow cylindrical shape.
It is equipped with The body 31 as well as the body of the ear pad 1
An annular engaging convex portion 29 is formed in the middle portion, and annular concave portions 34 and 35 are formed in the front and rear thereof. On the outer peripheral surface of the main body 31, a large number of thin pleated sound insulation walls 32 made of the same material as the main body 31 are integrally provided in a ring shape at predetermined intervals in the axial direction. A large number of these sound insulation walls 32 form a pad portion 33 corresponding to the conventional fit portion 53.
【００１８】遮音壁３２はこの実施の形態では５個設け
ているが、これは好ましい一例であって、５個以上、１
０個以下、の範囲であれば任意の個数としてもよいし、
１０個に近い数であれば１１以上であってもよい。遮音
壁３２は全て同一外径となっており、やや後端側に傾い
ている。遮音壁３２は外径Ｄ３が本体３１の外径ｄ１の
２倍より小さくなっている。遮音壁３２は外耳道アの敏
感な触覚を刺激せず、イヤーパッド２１に求められる柔
らかい装着性を保つため、肉厚Ｔ１が外周縁に向けて薄
くなっている。遮音壁３２と遮音壁３２の間隔Ｈ１は遮
音壁３２の肉厚Ｔ１よりも小さくなっているが、これは
大きくしてもよい。また、図示はしていないが、遮音壁
３２を含むイヤーパッド２１全体には気泡が多数含まれ
ていて、該気泡により吸音性を保持している。Five sound insulating walls 32 are provided in this embodiment, but this is a preferable example, and five or more sound insulating walls 32 are provided.
Any number may be used within the range of 0 or less,
The number may be 11 or more as long as it is close to 10. The sound insulation walls 32 all have the same outer diameter and are slightly inclined toward the rear end side. The outer diameter D3 of the sound insulation wall 32 is smaller than twice the outer diameter d1 of the main body 31. The sound insulation wall 32 does not stimulate the sensitive tactile sensation of the external auditory meatus a and has a thickness T1 that decreases toward the outer peripheral edge in order to maintain the soft wearability required for the ear pad 21. The distance H1 between the sound insulation walls 32 is smaller than the wall thickness T1 of the sound insulation walls 32, but it may be increased. Although not shown, the entire ear pad 21 including the sound insulation wall 32 contains a large number of bubbles, and the bubbles retain sound absorption.
【００１９】イヤーパッド２１における各部位のベスト
サイズの一例を示すと次の通りである。本体３１の軸方
向長さＬ１が７．５mm、外径Ｄ３が１２mmであり、遮音
壁３２の本体３１側基部の最大肉厚Ｔ１が０．６mm、遮
音壁３２と遮音壁３２の間隔Ｈ１が０．５mm、遮音壁３
２の外周縁間の間隔Ｈ２が１mmである。An example of the best size of each part of the ear pad 21 is as follows. The axial length L1 of the main body 31 is 7.5 mm, the outer diameter D3 is 12 mm, the maximum thickness T1 of the base of the sound insulation wall 32 on the main body 31 side is 0.6 mm, and the distance H1 between the sound insulation walls 32 and 0.5 is 0.5 mm. , Sound insulation wall 3
The distance H2 between the two outer peripheral edges is 1 mm.
【００２０】前記のようなイヤーパッド２１をイヤホン
２に装着し、このイヤホン２を外耳道アに挿入すると、
遮音壁３２がくさび状に食い込み、装着がきわめて安定
したものとなること、この装着状態で隣接する遮音壁３
２と遮音壁３２の間に密閉空間が形成され、密閉性、遮
音性にすぐれたものとなること、等々の作用は前記実施
の形態とほぼ同様である。さらに、この実施の形態では
遮音壁３２がやや後端側に傾いているので、挿入に際し
て耳への痛み等の負担が前記実施の形態のイヤーパッド
１に比べてさらに少なくなるのに加え、同一外径の全て
の遮音壁３２の外周縁が図５に示すように外耳道の内壁
に接触し、該遮音壁と遮音壁の間に形成される密閉空間
に外気又は外耳道と連通する隙間が生ずることがないか
ら、密閉度がより増すこととなり、外の音を減衰させ、
耳の中の音声を集音し、信号に変換する際、音声認識率
がさらに高まる。When the ear pad 21 as described above is attached to the earphone 2 and the earphone 2 is inserted into the ear canal a,
The sound insulation wall 32 bites like a wedge, and the installation is extremely stable. In this installation state, the adjacent sound insulation walls 3
The closed space is formed between the sound insulation wall 32 and the sound insulation wall 32, and the airtightness and sound insulation are excellent, and the like. Further, in this embodiment, since the sound insulation wall 32 is slightly inclined toward the rear end side, the burden of ear pain and the like upon insertion is further reduced as compared with the ear pad 1 of the above-described embodiment, and in addition, the same outer diameter is used. As shown in FIG. 5, the outer peripheral edges of all the sound insulation walls 32 contact the inner wall of the ear canal, and there is no space for communicating with the outside air or the ear canal in the sealed space formed between the sound insulation walls. It will increase the degree more and attenuate the outside sound,
The voice recognition rate is further increased when the voice in the ear is collected and converted into a signal.
【００２１】前記各実施の形態では本体１１，３１、遮
音壁１２，３２の材質をシリコーンゴムとしたが、ほか
にウレタンなどのゴム、あるいはポリプロピレンなどの
軟質合成樹脂その他、同効の種々の材質を利用できる。
また、イヤーパッド１，２１をイヤホーン２に装着した
例を示したが、イヤホンだけではなく、補聴器や耳栓な
ど耳の中に入れるもの全般に応用できる。また、イヤホ
ーン２にはスピーカ７しか配設していなかったが、本出
願人が先に提案（特願２００１−１８９０３７）したス
ピーカとマイクロホンを同設配置したようなものでもよ
いことは言うまでもない。In the above-mentioned respective embodiments, the materials of the main bodies 11 and 31 and the sound insulation walls 12 and 32 are made of silicone rubber. However, other materials such as rubber such as urethane, soft synthetic resin such as polypropylene and the like, and other materials having the same effect may be used. Available.
Further, although an example in which the ear pads 1 and 21 are attached to the earphone 2 has been shown, the ear pads 1 and 21 can be applied not only to earphones but also to hearing aids, earplugs, and other items to be put into the ear. Although only the speaker 7 is provided in the earphone 2, it goes without saying that the speaker and the microphone proposed by the applicant of the present application (Japanese Patent Application No. 2001-189037) may be installed together.
【００２２】[0022]
【発明の効果】請求項１ないし８の発明は前記のような
構成からなるので、外耳道の敏感な触覚を刺激しない柔
らかい装着性を有するイヤーパッドを提供することがで
きる。すなわち、外耳道の形状及び大きさに個人差があ
っても、また同一人物でも左右の外耳道の大きさ等に差
がある場合でも、それら全てに柔軟に対応することがで
きる。しかも、着脱もスムーズで容易であり、汗や脂に
よる摩擦力の低下に影響されにくいうえ、従来のフイッ
ト部のような面でなく、点で外耳道の内壁と接触するた
め、皮膚の弱い人でも耳の中でムレやかぶれが起きにく
く、そのため長時間の装着にも違和感が無い。また、一
旦装着されると、抜けにくく、装着が安定する。さら
に、隣接する遮音壁で密閉空間を形成するため、外部か
らの進入音に対して極めて高い滅衰性を有する。請求項
９の発明は前記のような効果のあるイヤーパッド付きイ
ヤホーンを提供することができる。しかも、このような
イヤーパッド付きイヤホーンにおいては、スピーカ等に
よる受信音の外耳道内でのエコーの発生を、前記密閉空
間による音の減衰性によって防ぐことができ、常に質の
高い音を保って良好な音声処理が可能となるという優れ
た効果が期待できる。Since the inventions of claims 1 to 8 are configured as described above, it is possible to provide an ear pad having a soft wearability that does not stimulate the sensitive tactile sensation of the ear canal. That is, even if there are individual differences in the shape and size of the ear canal, or if there are differences in the sizes of the left and right ear canals of the same person, it is possible to deal with all of them flexibly. Moreover, it is smooth and easy to put on and take off, is not easily affected by the reduction of frictional force due to sweat or oil, and is in contact with the inner wall of the external auditory meatus at points rather than on the surface like the conventional fit part, so even people with weak skin can There is no stuffiness or rash in the ears, so there is no discomfort even when worn for a long time. Further, once attached, it is difficult to come off and the attachment is stable. Further, since the sound-insulating walls adjacent to each other form a closed space, it has a very high extinction property against incoming sound from the outside. The invention of claim 9 can provide an earphone with an ear pad having the above effects. Moreover, in such an earphone with an ear pad, it is possible to prevent the occurrence of echo in the external auditory meatus of the received sound by the speaker or the like by the sound attenuating property of the closed space, and always keep a good quality sound and keep it good. An excellent effect that voice processing is possible can be expected.
【図１】この発明の一実施の形態を示すイヤホーンマイ
クの縦断正面図である。FIG. 1 is a vertical sectional front view of an earphone microphone according to an embodiment of the present invention.
【図２】イヤーパッドを示し、（Ａ）はその正面図、
（Ｂ）は左側面図、（Ｃ）は右側面図、（Ｄ）は（Ｂ）
のＡ−Ａ線に沿う縦断正面図である。FIG. 2 shows an ear pad, (A) is a front view thereof,
(B) is a left side view, (C) is a right side view, (D) is (B)
FIG. 4 is a vertical sectional front view taken along line AA of FIG.
【図３】同上の作用説明図である。FIG. 3 is a diagram for explaining the operation of the same.
【図４】別の実施の形態に係るイヤーパッドを示す下半
部破断の正面図である。FIG. 4 is a front view of a lower half section showing an ear pad according to another embodiment.
【図５】同上の作用説明図である。FIG. 5 is an explanatory diagram of an operation of the above.
【図６】従来のイヤーパッドを耳栓に適用した例で示す
縦断正面図である。FIG. 6 is a vertical sectional front view showing an example in which a conventional ear pad is applied to an earplug.
【図７】同上の作用説明図である。FIG. 7 is an explanatory diagram of an operation of the above.
【図８】同上の作用説明図である。FIG. 8 is an explanatory diagram of an operation of the above.
１，２１ イヤーパッド ２ イヤホーン ３ イヤホーン本体 ４ 球状体 ５ 先端開口部 ６ 中空筒状体 ７ スピーカ ８ 環状の係止凹部 ９，２９ 環状の係止凸部 １１，３１ 本体 １２，３２ 遮音壁 １３，３３ パット部 1,21 ear pads 2 earphones 3 Earphone body 4 spherical bodies 5 Tip opening 6 hollow cylinder 7 speakers 8 Annular locking recess 9,29 annular locking protrusion 11,31 body 12,32 sound insulation wall 13,33 Pat part
Claims (9)
のであって、シリコーンゴムなどゴム又はポリプロピレ
ンなど軟質合成樹脂等の弾性材料で中空円筒状に形成さ
れた本体の外周面に、該本体と同じ材料からなる多数の
ひだ状遮音壁が軸方向に所定の間隔をおいてリング状に
一体に設けられていることを特徴とするイヤーパッド。1. A main body, which is detachably mounted in the ear canal and is made of an elastic material such as rubber such as silicone rubber or soft synthetic resin such as polypropylene, in the form of a hollow cylinder. An ear pad characterized in that a large number of pleated sound insulation walls made of the same material as the above are integrally provided in a ring shape at predetermined intervals in the axial direction.
縁で外耳道内壁と接触する遮音壁が後端側にたわみ、該
たわんで隣接する遮音壁と遮音壁の間の間隔に密閉空間
が形成されるようになっている請求項１記載のイヤーパ
ッド。2. The sound insulation wall, when attached to the ear canal, has a sound insulation wall that is in contact with the inner wall of the ear canal at an outer peripheral edge of the sound insulation wall and bends toward the rear end side, so that a closed space is formed in the space between the sound insulation walls adjacent to each other due to the bending. The ear pad according to claim 1, wherein
となっている請求項１又は２記載のイヤーパッド。3. The ear pad according to claim 1, wherein the sound insulation wall has a gradually decreasing diameter on the front end side.
きに設けられ、かつ肉厚が外周縁に向けて薄くなってい
る請求項３記載のイヤーパッド。4. The ear pad according to claim 3, wherein the sound insulation wall is provided in a direction orthogonal to the central axis of the main body, and has a wall thickness that decreases toward the outer peripheral edge.
側に傾いており、かつ肉厚が外周縁に向けて薄くなって
いる請求項１又は２記載のイヤーパッド。5. The ear pad according to claim 1, wherein the sound insulation walls have the same diameter, are slightly inclined toward the rear end side, and have a wall thickness that decreases toward the outer peripheral edge.
項１ないし５のいずれかに記載の記載のイヤーパッド。6. The ear pad according to claim 1, wherein the sound insulation wall contains sound absorbing bubbles.
より小さくなっている請求項１ないし６のいずれかに記
載のイヤーパッド。7. The ear pad according to claim 1, wherein the sound insulation wall has a maximum outer diameter smaller than twice the outer diameter of the main body.
０個以下、設けられている請求項１ないし７のいずれか
に記載のイヤーパッド。8. The sound insulation wall has five or more sound insulation walls on the outer peripheral surface of the main body.
The ear pad according to any one of claims 1 to 7, wherein 0 or less are provided.
ヤーパッドをイヤホーン本体の先端部に具えたことを特
徴とするイヤホーン。9. An earphone comprising the ear pad according to any one of claims 1 to 8 at a tip portion of an earphone body.
Priority Applications (16)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002111116A JP3894828B2 (en) | 2001-09-28 | 2002-04-12 | Ear pad and earphone including the pad |
| TW092104773A TW200305346A (en) | 2002-04-12 | 2003-03-06 | Ear pad, and earphone with the pad |
| AT03708632T ATE510414T1 (en) | 2002-04-12 | 2003-03-14 | EAR PAD AND EAR SPEAKER WITH THE PAD |
| AU2003213392A AU2003213392B2 (en) | 2002-04-12 | 2003-03-14 | Ear pad, and earphone with the pad |
| KR1020047016043A KR100969750B1 (en) | 2002-04-12 | 2003-03-14 | Ear pad, and earphone with the pad |
| PT03708632T PT1496722E (en) | 2002-04-12 | 2003-03-14 | Ear pad, and earphone with the pad |
| ES03708632T ES2366537T3 (en) | 2002-04-12 | 2003-03-14 | PAD FOR THE EAR, AND HEADPHONE WITH THE PAD. |
| PCT/JP2003/003098 WO2003088706A1 (en) | 2002-04-12 | 2003-03-14 | Ear pad, and earphone with the pad |
| DK03708632.9T DK1496722T3 (en) | 2002-04-12 | 2003-03-14 | Earplug and earphone with the plug |
| BR0309123-6A BR0309123A (en) | 2002-04-12 | 2003-03-14 | Headphone and ear pad |
| RU2004133067/28A RU2315442C2 (en) | 2002-04-12 | 2003-03-14 | Ear insert and headset with ear insert |
| CNB03808256XA CN100569006C (en) | 2002-04-12 | 2003-03-14 | Ear pad and the earphone that has ear pad |
| EP03708632A EP1496722B1 (en) | 2002-04-12 | 2003-03-14 | Ear pad, and earphone with the pad |
| CA2482393A CA2482393C (en) | 2002-04-12 | 2003-03-14 | Ear pad and earphone with the pad |
| US10/511,030 US7116793B2 (en) | 2002-04-12 | 2003-04-12 | Ear pad, and earphone with the pad |
| HK06100081.4A HK1080254A1 (en) | 2002-04-12 | 2006-01-04 | Ear pad, and earphone with the pad |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001299976 | 2001-09-28 | ||
| JP2001-299976 | 2001-09-28 | ||
| JP2002111116A JP3894828B2 (en) | 2001-09-28 | 2002-04-12 | Ear pad and earphone including the pad |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003284177A true JP2003284177A (en) | 2003-10-03 |
| JP3894828B2 JP3894828B2 (en) | 2007-03-22 |
Family
ID=29252829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002111116A Expired - Lifetime JP3894828B2 (en) | 2001-09-28 | 2002-04-12 | Ear pad and earphone including the pad |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3894828B2 (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005043951A1 (en) * | 2003-10-17 | 2005-05-12 | Kiyoung Seo | Ergonomic ear piece |
| JP2006295533A (en) * | 2005-04-11 | 2006-10-26 | Nappu Enterprise Kk | Soundproof device for call apparatus |
| JP2007531570A (en) * | 2004-03-19 | 2007-11-08 | ドレザル・クリエイティブ・イノベーションズ・エルエルシー | Exhalation filter device |
| WO2008044402A1 (en) * | 2006-10-10 | 2008-04-17 | Nippon Steel Corporation | Voice recognition system |
| JP2009171177A (en) * | 2008-01-16 | 2009-07-30 | Yamaha Corp | Earphone |
| JP2014011513A (en) * | 2012-06-28 | 2014-01-20 | Kenta Tanaka | Earphone device |
| US8833369B2 (en) | 2004-03-19 | 2014-09-16 | Airware, Inc. | Breathing air filtration devices |
| JP2015149586A (en) * | 2014-02-06 | 2015-08-20 | ソニー株式会社 | Earpiece and electroacoustic converter |
| KR20160129379A (en) * | 2015-04-30 | 2016-11-09 | 이니어랩 주식회사 | Earphone with air flow structure and eartips used therefor |
| JP2017220794A (en) * | 2016-06-07 | 2017-12-14 | ナップエンタープライズ株式会社 | Ear pad and earphone with the pad, ear training device for improving hardness of hearing, and method |
-
2002
- 2002-04-12 JP JP2002111116A patent/JP3894828B2/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005043951A1 (en) * | 2003-10-17 | 2005-05-12 | Kiyoung Seo | Ergonomic ear piece |
| JP2007531570A (en) * | 2004-03-19 | 2007-11-08 | ドレザル・クリエイティブ・イノベーションズ・エルエルシー | Exhalation filter device |
| US8833369B2 (en) | 2004-03-19 | 2014-09-16 | Airware, Inc. | Breathing air filtration devices |
| JP2006295533A (en) * | 2005-04-11 | 2006-10-26 | Nappu Enterprise Kk | Soundproof device for call apparatus |
| WO2008044402A1 (en) * | 2006-10-10 | 2008-04-17 | Nippon Steel Corporation | Voice recognition system |
| JP2009171177A (en) * | 2008-01-16 | 2009-07-30 | Yamaha Corp | Earphone |
| JP2014011513A (en) * | 2012-06-28 | 2014-01-20 | Kenta Tanaka | Earphone device |
| JP2015149586A (en) * | 2014-02-06 | 2015-08-20 | ソニー株式会社 | Earpiece and electroacoustic converter |
| US9516402B2 (en) | 2014-02-06 | 2016-12-06 | Sony Corporation | Earpiece and electro-acoustic transducer with protrusions and/or grooved passages |
| KR20160129379A (en) * | 2015-04-30 | 2016-11-09 | 이니어랩 주식회사 | Earphone with air flow structure and eartips used therefor |
| KR101702004B1 (en) * | 2015-04-30 | 2017-02-02 | 디큐브랩 주식회사 | Earphone with air flow structure and eartips used therefor |
| JP2017220794A (en) * | 2016-06-07 | 2017-12-14 | ナップエンタープライズ株式会社 | Ear pad and earphone with the pad, ear training device for improving hardness of hearing, and method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3894828B2 (en) | 2007-03-22 |
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