JP2001057698A - Loudspeaker - Google Patents

Loudspeaker

Info

Publication number
JP2001057698A
JP2001057698A JP11231105A JP23110599A JP2001057698A JP 2001057698 A JP2001057698 A JP 2001057698A JP 11231105 A JP11231105 A JP 11231105A JP 23110599 A JP23110599 A JP 23110599A JP 2001057698 A JP2001057698 A JP 2001057698A
Authority
JP
Japan
Prior art keywords
damper
reinforcing rib
frame
magnetic
gap
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
Application number
JP11231105A
Other languages
Japanese (ja)
Other versions
JP3991520B2 (en
Inventor
Masatoshi Okuyama
昌俊 奥山
Masahide Sumiyama
昌英 隅山
Tomoyasu Takase
智康 高瀬
Toshihiro Oshika
寿弘 大鹿
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP23110599A priority Critical patent/JP3991520B2/en
Publication of JP2001057698A publication Critical patent/JP2001057698A/en
Application granted granted Critical
Publication of JP3991520B2 publication Critical patent/JP3991520B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Abstract

PROBLEM TO BE SOLVED: To realize high resistance to input and reproduction of very low frequency sound with high reliability with respect to a loudspeaker used for various acoustic devices and video devices. SOLUTION: A tongue 8b provided for a reinforcement rib 8a is inserted, joined and coupled with a through-hole 7b provided for a damper 7a in this loudspeaker. Enhancing the coupling state between the through-hole 7b and the reinforcement rib 8a through the configuration above can improve the resistance to input to the loudspeaker and the reproduction of a very low frequency sound stably.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は各種音響機器および
映像機器に使用されるスピーカに関するものである。
The present invention relates to a speaker used for various audio equipment and video equipment.

【0002】[0002]

【従来の技術】近年、映像機器の大型画面化、省スペー
ス化の中でスピーカとしても細長形のスピーカの要求が
高まってきている。
2. Description of the Related Art In recent years, with the increase in screen size and space saving of video equipment, there has been an increasing demand for an elongated speaker as a speaker.

【0003】この種従来の細長形スピーカを図3および
図4により説明する。
A conventional elongated speaker of this type will be described with reference to FIGS. 3 and 4. FIG.

【0004】図3はダイレクトドライブ方式の防磁型ス
ピーカの分解斜視図であり、図4は同要部である補強リ
ブとダンパーの結合状態を説明するための斜視図であ
る。
FIG. 3 is an exploded perspective view of a direct-drive type magnetically shielded speaker, and FIG. 4 is a perspective view for explaining a connection state of a reinforcing rib and a damper, which are essential parts of the speaker.

【0005】同図によると、1は短径側が逆U字状で下
方開放端側にコイル1cを巻線したボイスコイル部1b
と、U字状の上方頂点側をダイアフラム部1aとした細
長形の振動体であり、硬質アルミニウム、紙、ガラス繊
維入り樹脂等のシートを成型してダイアフラム部1aと
ボイスコイル部1bを一体に形成したものである。8は
補強リブであり、U字状の振動体1の内側と外側からダ
イアフラム部1aとボイスコイル部1bを挟持する構成
として結合されている。
According to FIG. 1, reference numeral 1 denotes a voice coil portion 1b having a short-diameter side inverted U-shaped and a coil 1c wound on a lower open end side.
And an elongated vibrating body having a U-shaped upper apex side as a diaphragm portion 1a. The diaphragm portion 1a and the voice coil portion 1b are integrally formed by molding a sheet of hard aluminum, paper, resin containing glass fiber, or the like. It is formed. Reference numeral 8 denotes a reinforcing rib, which is connected as a structure for sandwiching the diaphragm 1a and the voice coil 1b from inside and outside of the U-shaped vibrating body 1.

【0006】2はエッジであり、ダイアフラム部1aの
外周に内周が結合され、外周がフレーム3に結合されて
いる。また、7は上記補強リブ8に接着剤により接着さ
れたダンパーであり、このダンパー7は上記フレーム3
に結合されて上記振動体1を振動自在に保持している。
Reference numeral 2 denotes an edge. The inner periphery is connected to the outer periphery of the diaphragm portion 1a, and the outer periphery is connected to the frame 3. Reference numeral 7 denotes a damper adhered to the reinforcing rib 8 by an adhesive.
The vibrating body 1 is held so as to be able to vibrate freely.

【0007】6は上記フレーム3の中央凹部に配設され
たヨーク4と磁石5からなるとともに、磁気ギャップ6
aを形成した磁気回路である。この磁気回路6は対向し
た一対のものが直線的に複数個隙間6bを設けて配設さ
れ、上記磁気ギャップ6aに上記振動体1のボイスコイ
ル部1bがはめ込まれるように振動体1は補強リブ8を
介してダンパー7に支持されている。なお、9はガスケ
ットであり、エッジ2をフレーム3とで挟持している。
Reference numeral 6 denotes a yoke 4 and a magnet 5 disposed in a central concave portion of the frame 3 and a magnetic gap 6.
This is a magnetic circuit in which a is formed. The magnetic circuit 6 includes a pair of opposed magnetic circuits disposed linearly with a plurality of gaps 6b provided therebetween. The vibrating body 1 is provided with reinforcing ribs so that the voice coil portion 1b of the vibrating body 1 is fitted into the magnetic gap 6a. 8 and is supported by the damper 7. Reference numeral 9 denotes a gasket, which holds the edge 2 with the frame 3.

【0008】以上のように構成されたスピーカは外部よ
りの音声信号を上記ボイスコイル部1bのコイル1cに
流すことにより振動体1を上下動させダイアフラム部1
aを振動させ音波を放射するものである。
In the loudspeaker constructed as described above, a voice signal from the outside is passed through the coil 1c of the voice coil section 1b to move the vibrating body 1 up and down so that the diaphragm section 1 is moved.
a is oscillated to emit a sound wave.

【0009】[0009]

【発明が解決しようとする課題】しかしながら、上述の
ごとく補強リブ8とダンパー7は接触部分を接着剤で結
合するものであるため、両者の接触面積を大きくできな
いため重低音化・高耐入力化には限界があった。
However, as described above, the reinforcing ribs 8 and the dampers 7 are used to bond the contact portions with an adhesive, so that the contact area between them cannot be increased, so that a low sound level and a high input resistance can be achieved. Had limitations.

【0010】本発明は補強リブとダンパーの結合強度の
向上を図り、スピーカの重低音化・高耐入力化に対応し
た信頼性に優れたスピーカを提供するものである。
The present invention aims at improving the bonding strength between the reinforcing ribs and the damper, and provides a speaker which is excellent in reliability corresponding to heavy sound reduction and high input resistance of the speaker.

【0011】[0011]

【課題を解決するための手段】上記課題を解決するため
に本発明のスピーカは、少なくとも磁気ギャップを有す
る磁気回路と、この磁気回路が装着されるフレームと、
上方にダイアフラム部を有し下方の開放端側に上記磁気
回路の磁気ギャップに嵌め込まれるボイスコイル部を設
けた短径側の断面が逆U字状の細長形の振動体と、この
振動体の上記ボイスコイル部を挟持する補強リブと、こ
の補強リブが挿入結合される貫通孔を有するとともに上
記フレームに結合されたダンパーと、内周が上記振動体
の外側に結合され外周が上記フレームに結合されるエッ
ジとで構成したものであり、ダンパーに設けた貫通孔に
補強リブを挿入して結合する構成としたため、補強リブ
とダンパーの結合強度の向上が図れ、高耐入力化が信頼
性高く得られる優れたスピーカが提供できるものであ
る。
In order to solve the above problems, a speaker according to the present invention comprises a magnetic circuit having at least a magnetic gap, a frame on which the magnetic circuit is mounted,
An elongated vibrating body having a reverse U-shaped cross-section on the short diameter side having a voice coil section fitted into the magnetic gap of the magnetic circuit on the lower open end side having a diaphragm section on the upper side; A reinforcing rib for sandwiching the voice coil portion, a damper having a through hole into which the reinforcing rib is inserted and connected to the frame, and an inner periphery connected to the outside of the vibrator and an outer periphery connected to the frame The reinforcing ribs are inserted into the through holes provided in the damper and are connected to each other, so that the bonding strength between the reinforcing ribs and the damper can be improved, and high input resistance can be achieved with high reliability. The obtained excellent speaker can be provided.

【0012】[0012]

【発明の実施の形態】本発明の請求項1に記載の発明
は、少なくとも磁気ギャップを有する磁気回路と、この
磁気回路が装着されるフレームと、上方にダイアフラム
部を有し下方の開放端側に上記磁気回路の磁気ギャップ
に嵌め込まれるボイスコイル部を設けた短径側の断面が
逆U字状の細長形の振動体と、この振動体の上記ボイス
コイル部を挟持する補強リブと、この補強リブが挿入結
合される貫通孔を有するとともに、フレームに結合され
たダンパーとを有するものであり、ダンパーに設けた貫
通孔に補強リブを挿入して結合する構成としたため、補
強リブとダンパーの結合強度の向上が図れ、高耐入力化
が信頼性高く得られる優れたスピーカが提供できるもの
である。
DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention is directed to a magnetic circuit having at least a magnetic gap, a frame on which the magnetic circuit is mounted, and a lower open end side having a diaphragm portion above. An elongated vibrating body having an inverted U-shaped cross section on the short diameter side provided with a voice coil portion fitted into the magnetic gap of the magnetic circuit, a reinforcing rib for sandwiching the voice coil portion of the vibrating body, In addition to having a through hole into which the reinforcing rib is inserted and coupled, and having a damper coupled to the frame, and having a configuration in which the reinforcing rib is inserted into the through hole provided in the damper and coupled, the reinforcing rib and the damper It is possible to provide an excellent speaker that can improve the coupling strength and can obtain a high input resistance with high reliability.

【0013】本発明の請求項2に記載の発明は、磁気回
路を隙間を設けて複数個直線的に配置し、補強リブをこ
の隙間内に接触しないように配置したものであり、請求
項1の効果をスピーカの大型化を伴うことなく実現でき
るものである。
According to a second aspect of the present invention, a plurality of magnetic circuits are linearly arranged with a gap therebetween, and reinforcing ribs are arranged so as not to contact the inside of the gap. Can be realized without increasing the size of the speaker.

【0014】以下、本発明のスピーカの一実施の形態に
ついて図1から図2(b)により説明する。
An embodiment of the speaker according to the present invention will be described below with reference to FIGS. 1 and 2 (b).

【0015】なお、説明にあたっては従来技術と同一部
分は同一番号を付し説明を省略して説明する。
In the description, the same parts as those of the prior art are denoted by the same reference numerals, and the description will be omitted.

【0016】図1は本発明のスピーカの一実施の形態の
細長形のスピーカの分解斜視図であり、図2(a)は同
要部である補強リブとダンパーの結合状態を説明するた
めの分解斜視図であり、図2(b)は同展開例の同要部
である補強リブとダンパーの結合状態を説明するための
分解斜視図である。
FIG. 1 is an exploded perspective view of an elongated speaker according to an embodiment of the present invention, and FIG. 2A is a view for explaining a connection state of a reinforcing rib and a damper, which are essential parts. FIG. 2B is an exploded perspective view for explaining a coupling state of a reinforcing rib and a damper, which are essential parts of the developed example.

【0017】同図によると7aはダンパーであり、7b
は貫通孔であり、8aは補強リブであり、この補強リブ
8aの下側に設けられた舌部8bを上記貫通孔7bに差
し込んで、ダンパー7aと補強リブ8aの当接部分のみ
ならず上下方向(ダンパー7aの両面)からも接着剤を
塗布してダンパー7aと補強リブ8aを接着結合するも
のである。
According to the drawing, reference numeral 7a denotes a damper, and 7b
Is a through hole, 8a is a reinforcing rib, and a tongue 8b provided below the reinforcing rib 8a is inserted into the through hole 7b, so that not only a contact portion between the damper 7a and the reinforcing rib 8a but also a vertical An adhesive is also applied from the direction (both sides of the damper 7a) to bond the damper 7a and the reinforcing rib 8a together.

【0018】なお、図2(b)は本実施の形態の展開例
を示すものであるが、舌部8bを先端両側を膨らませた
逆T字形としたものであり、舌部8bの貫通孔7bへの
挿入後側面方向にずらして接着剤を上記実施の形態と同
様に塗布して結合することにより補強リブ8aはより強
固に結合されるものである。
FIG. 2 (b) shows a development example of the present embodiment, in which the tongue portion 8b is formed in an inverted T-shape in which both ends are bulged, and the through hole 7b of the tongue portion 8b is formed. After insertion into the reinforcing ribs 8a, the reinforcing ribs 8a are more firmly bonded by displacing the adhesive in the lateral direction and applying and bonding the same as in the above embodiment.

【0019】この舌部8bは仮止めの機能を持つことに
もなるので接着剤の乾燥工程の短縮や削減を行え生産性
の向上も図れるものである。
Since the tongue portion 8b also has a temporary fixing function, the drying step of the adhesive can be shortened or reduced, and the productivity can be improved.

【0020】[0020]

【発明の効果】以上のように本発明のスピーカは補強リ
ブとダンパーの結合強度の向上を図ったことにより、高
耐入力化が信頼性高く得られる優れたスピーカが提供で
きるものである。
As described above, the loudspeaker according to the present invention can provide an excellent loudspeaker which can obtain a high input resistance with high reliability by improving the coupling strength between the reinforcing rib and the damper.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明のスピーカの一実施の形態の細長形のス
ピーカの分解斜視図
FIG. 1 is an exploded perspective view of an elongated speaker according to an embodiment of the present invention.

【図2】(a)同要部である補強リブとダンパーの結合
状態を説明するための分解斜視図 (b)同展開例の同要部である補強リブとダンパーの結
合状態を説明するための分解斜視図
FIG. 2 (a) is an exploded perspective view for explaining a connection state of a reinforcing rib and a damper which is the main part; and (b) is a view for explaining a connection state of a reinforcement rib and a damper which is the main part of the developed example. Exploded perspective view of

【図3】従来のダイレクトドライブ方式の防磁型のスピ
ーカの分解斜視図
FIG. 3 is an exploded perspective view of a conventional direct-drive type magnetically shielded speaker.

【図4】同要部である補強リブとダンパーの結合状態を
説明するための斜視図
FIG. 4 is a perspective view for explaining a connection state of a reinforcing rib and a damper, which are the main parts.

【符号の説明】[Explanation of symbols]

1 振動体 1a ダイアフラム部 1b ボイスコイル部 2 エッジ 3 フレーム 6 磁気回路 7a ダンパー 7b 貫通孔 8a 補強リブ 8b 舌部 DESCRIPTION OF SYMBOLS 1 Vibration body 1a Diaphragm part 1b Voice coil part 2 Edge 3 Frame 6 Magnetic circuit 7a Damper 7b Through hole 8a Reinforcement rib 8b Tongue

───────────────────────────────────────────────────── フロントページの続き (72)発明者 高瀬 智康 大阪府門真市大字門真1006番地 松下電器 産業株式会社内 (72)発明者 大鹿 寿弘 大阪府門真市大字門真1006番地 松下電器 産業株式会社内 Fターム(参考) 5D012 CA07 CA13 CA14 FA01 GA01 5D016 AA08 BA04 FA04 GA03 HA06 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Tomoyasu Takase 1006 Kazuma Kadoma, Kadoma City, Osaka Prefecture Inside Matsushita Electric Industrial Co., Ltd. Terms (reference) 5D012 CA07 CA13 CA14 FA01 GA01 5D016 AA08 BA04 FA04 GA03 HA06

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 少なくとも磁気ギャップを有する磁気回
路と、この磁気回路が装着されるフレームと、上方にダ
イアフラム部を有し下方の開放端側に上記磁気回路の磁
気ギャップに嵌め込まれるボイスコイル部を設けた短径
側の断面が逆U字状の細長形の振動体と、この振動体の
上記ボイスコイル部を挟持する補強リブと、この補強リ
ブが挿入結合される貫通孔を有するとともに上記フレー
ムに結合されたダンパーと、内周が上記振動体の外側に
結合され外周が上記フレームに結合されるエッジとで構
成されたスピーカ。
1. A magnetic circuit having at least a magnetic gap, a frame on which the magnetic circuit is mounted, and a voice coil part having a diaphragm part on an upper side and fitted into a magnetic gap of the magnetic circuit on a lower open end side. An elongated vibrating body having an inverted U-shaped cross section on the minor diameter side, a reinforcing rib for holding the voice coil portion of the vibrating body, a through hole into which the reinforcing rib is inserted and coupled, and the frame And an edge having an inner periphery coupled to the outside of the vibrator and an outer periphery coupled to the frame.
【請求項2】 磁気回路は隙間を設けて複数個直線的に
配置されるとともに、補強リブは上記隙間内に接触しな
いように配置された請求項1に記載のスピーカ。
2. The loudspeaker according to claim 1, wherein a plurality of magnetic circuits are linearly arranged with a gap, and reinforcing ribs are arranged so as not to contact the gap.
JP23110599A 1999-08-18 1999-08-18 Speaker Expired - Fee Related JP3991520B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP23110599A JP3991520B2 (en) 1999-08-18 1999-08-18 Speaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23110599A JP3991520B2 (en) 1999-08-18 1999-08-18 Speaker

Publications (2)

Publication Number Publication Date
JP2001057698A true JP2001057698A (en) 2001-02-27
JP3991520B2 JP3991520B2 (en) 2007-10-17

Family

ID=16918387

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23110599A Expired - Fee Related JP3991520B2 (en) 1999-08-18 1999-08-18 Speaker

Country Status (1)

Country Link
JP (1) JP3991520B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007042032A2 (en) * 2005-10-07 2007-04-19 Tymphany Denmark A/S Electroacoustic transducer
KR101091608B1 (en) * 2009-02-19 2011-12-13 이규환 Bass enhancing rectangle speaker

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007042032A2 (en) * 2005-10-07 2007-04-19 Tymphany Denmark A/S Electroacoustic transducer
WO2007042032A3 (en) * 2005-10-07 2007-06-07 Tymphany Denmark As Electroacoustic transducer
KR101091608B1 (en) * 2009-02-19 2011-12-13 이규환 Bass enhancing rectangle speaker

Also Published As

Publication number Publication date
JP3991520B2 (en) 2007-10-17

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