JPH0214284U - - Google Patents

Info

Publication number
JPH0214284U
JPH0214284U JP8987888U JP8987888U JPH0214284U JP H0214284 U JPH0214284 U JP H0214284U JP 8987888 U JP8987888 U JP 8987888U JP 8987888 U JP8987888 U JP 8987888U JP H0214284 U JPH0214284 U JP H0214284U
Authority
JP
Japan
Prior art keywords
yoke
magnet
coil bobbin
lower yoke
upper yoke
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
JP8987888U
Other languages
Japanese (ja)
Other versions
JPH0619303Y2 (en
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 filed Critical
Priority to JP1988089878U priority Critical patent/JPH0619303Y2/en
Publication of JPH0214284U publication Critical patent/JPH0214284U/ja
Application granted granted Critical
Publication of JPH0619303Y2 publication Critical patent/JPH0619303Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Reciprocating, Oscillating Or Vibrating Motors (AREA)

Description

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

第１図は、本考案に係る大推力ボイスコイルモ
ータの縦断面図である。第２図は、第１図の線
―にとつた断面図である。第３図は、コイルボ
ビンの斜視図である。第４図は、従来の大推力ボ
イスコイルモータの一例の縦断面図である。第５
図は、第４図の線―にとつた断面図である。 ２１：上ヨーク、２２：下ヨーク、２３：セン
ターポール、２４：連結部材、２５，２６：マグ
ネツト、２７：シヨートコイル（銅管）、３０：
コイル組立体、３１：コイルボビン、３２，３３
：環状溝、３４：上板、３５：下板、３６，３７
：両側板。 FIG. 1 is a longitudinal sectional view of a large thrust voice coil motor according to the present invention. FIG. 2 is a sectional view taken along the line - in FIG. 1. FIG. 3 is a perspective view of the coil bobbin. FIG. 4 is a longitudinal sectional view of an example of a conventional large-thrust voice coil motor. Fifth
The figure is a sectional view taken along the line - in FIG. 4. 21: Upper yoke, 22: Lower yoke, 23: Center pole, 24: Connecting member, 25, 26: Magnet, 27: Short coil (copper tube), 30:
Coil assembly, 31: Coil bobbin, 32, 33
: Annular groove, 34: Upper plate, 35: Lower plate, 36, 37
:Both side plates.

Claims (1)

【実用新案登録請求の範囲】 (1) 平行に配置された上ヨーク及び下ヨークと
、前記上ヨーク及び下ヨークの間に配置されたセ
ンターポールと、前記上ヨーク、下ヨーク及びセ
ンターポールを一端にて接続する連結部材と、前
記上ヨーク及び下ヨークの対向する内側面に各々
対向して固着されたマグネツトと、前記マグネツ
トとセンターポールとの間に位置し、該センター
ポールに往復動自在に嵌挿されたコイル組立体と
を備えたボイスコイルモータにおいて、前記上ヨ
ーク及び下ヨークのマグネツトは各々少なくとも
２個以上のマグネツトから構成され、且つ隣接す
るマグネツトの極性は異なるように配設されてお
り、又、コイル組立体は、断面が矩形とされる中
空のコイルボビンと、該コイルボビンに軸線方向
に沿つて環状巻にて設けられた複数個のコイルと
を有し、前記コイルボビンの前記マグネツトに対
面する領域は絶縁材料にて形成し、前記マグネツ
トに対面しない領域は軽合金材料にて形成するこ
とを特徴とする大推力用ボイスコイルモータ。 (2) 各マグネツトは上及び下ヨークに形成され
た溝内に配置されて成る第１項記載の大推力用ボ
イスコイルモータ。[Claims for Utility Model Registration] (1) An upper yoke and a lower yoke arranged in parallel, a center pole arranged between the upper yoke and the lower yoke, and a center pole arranged at one end of the upper yoke, the lower yoke and the center pole. a connecting member that is connected to the upper yoke and the lower yoke; a magnet that is fixed to opposing inner surfaces of the upper yoke and the lower yoke; In the voice coil motor, the magnets of the upper yoke and the lower yoke each include at least two or more magnets, and adjacent magnets are arranged so that polarities are different from each other. Further, the coil assembly includes a hollow coil bobbin having a rectangular cross section, and a plurality of coils wound annularly around the coil bobbin along the axial direction, and the coil assembly includes a coil bobbin having a hollow coil bobbin having a rectangular cross section, and a plurality of coils arranged in an annular manner along the axial direction of the coil bobbin. A voice coil motor for large thrust, characterized in that a region facing the magnet is formed of an insulating material, and a region not facing the magnet is formed of a light alloy material. (2) The large thrust voice coil motor according to item 1, wherein each magnet is disposed in a groove formed in the upper and lower yokes.
JP1988089878U 1988-07-06 1988-07-06 Large thrust voice coil motor Expired - Lifetime JPH0619303Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988089878U JPH0619303Y2 (en) 1988-07-06 1988-07-06 Large thrust voice coil motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988089878U JPH0619303Y2 (en) 1988-07-06 1988-07-06 Large thrust voice coil motor

Publications (2)

Publication Number Publication Date
JPH0214284U true JPH0214284U (en) 1990-01-29
JPH0619303Y2 JPH0619303Y2 (en) 1994-05-18

Family

ID=31314414

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988089878U Expired - Lifetime JPH0619303Y2 (en) 1988-07-06 1988-07-06 Large thrust voice coil motor

Country Status (1)

Country Link
JP (1) JPH0619303Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002525007A (en) * 1998-08-29 2002-08-06 コンティテク・バイブレーション・コントロール・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング Electromagnetic actuator with oscillating spring mass system
JP2018153030A (en) * 2017-03-14 2018-09-27 東芝機械株式会社 Linear motor

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53160613U (en) * 1977-05-23 1978-12-15
JPS5856581U (en) * 1981-10-08 1983-04-16 三菱電機株式会社 Permanent magnet field device
JPS5923286U (en) * 1982-07-31 1984-02-13 株式会社デンソー linear motor
JPS6127452U (en) * 1984-07-25 1986-02-19 昭和電線電纜株式会社 Mover of voice coil type linear motor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53160613U (en) * 1977-05-23 1978-12-15
JPS5856581U (en) * 1981-10-08 1983-04-16 三菱電機株式会社 Permanent magnet field device
JPS5923286U (en) * 1982-07-31 1984-02-13 株式会社デンソー linear motor
JPS6127452U (en) * 1984-07-25 1986-02-19 昭和電線電纜株式会社 Mover of voice coil type linear motor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002525007A (en) * 1998-08-29 2002-08-06 コンティテク・バイブレーション・コントロール・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング Electromagnetic actuator with oscillating spring mass system
JP2018153030A (en) * 2017-03-14 2018-09-27 東芝機械株式会社 Linear motor

Also Published As

Publication number Publication date
JPH0619303Y2 (en) 1994-05-18

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