JPH04248138A - Lens cleaning device for optical disk device - Google Patents

Lens cleaning device for optical disk device

Info

Publication number
JPH04248138A
JPH04248138A JP3007536A JP753691A JPH04248138A JP H04248138 A JPH04248138 A JP H04248138A JP 3007536 A JP3007536 A JP 3007536A JP 753691 A JP753691 A JP 753691A JP H04248138 A JPH04248138 A JP H04248138A
Authority
JP
Japan
Prior art keywords
lens cleaning
lens
cleaning member
optical disk
box
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
Application number
JP3007536A
Other languages
Japanese (ja)
Inventor
Shigeki Mori
茂樹 森
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP3007536A priority Critical patent/JPH04248138A/en
Publication of JPH04248138A publication Critical patent/JPH04248138A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/121—Protecting the head, e.g. against dust or impact with the record carrier

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)

Abstract

PURPOSE:To supply a lens cleaning device capable of taking out a lens cleaning member thereof to the outside of an optical disk device without scattering a dust existing on the lens by protecting the lens cleaning member of lens cleaning device whereby the dust on an objective lens of optical pickup for the optical disk device is removed, from deforming and dust sticking during the operation. CONSTITUTION:A driving plate 7, a part of which is protruded as the operation part 7b making rotationally movable, a rotary gear 8 engaging with a gear part 7a of the driving plate 7 and revolving around its center movable in the shaft direction, and a gear holder 10 consisting of an elastic material to restrict the movement of rotary gear 8 in the shaft direction and also of a magnetic material, are arranged inside of a box shaped case 1 having the shape and dimension similar to those of a cartridge for loading the optical disk in the device. The lens cleaning member 6 consists of a fine fiber and is constituted to be mounted on the rotary gear 8 attachably and detachably.

Description

【発明の詳細な説明】[Detailed description of the invention]

【０００１】0001

【産業上の利用分野】本発明は光ディスク装置における
光ピックアップの対物レンズ上に付着する塵埃を除去す
るレンズクリ−ニング装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lens cleaning device for removing dust adhering to an objective lens of an optical pickup in an optical disc device.

【０００２】0002

【従来の技術】従来技術による装置は、特許平１−４３
３８４６号公報に記載のように情報が記録された光ディ
スクの一平面でかつ対物レンズと対向する面に繊維質よ
りなるブラシ状のレンズクリ−ニング部材を設けた光デ
ィスクであり、ディスク回転時に対物レンズと接触し、
対物レンズ上の塵埃を除去する方式となっており、カ−
トリッジを用いて光ディスクを装着する装置においては
カ−トリッジ内部に組込使用する方式となっている。[Prior Art] A device according to the prior art is disclosed in Japanese Patent No. 1-43
As described in Publication No. 3846, this is an optical disk in which a brush-like lens cleaning member made of fiber is provided on one plane of the optical disk on which information is recorded and on the surface facing the objective lens. contact,
This method removes dust on the objective lens.
In a device that uses a cartridge to mount an optical disc, the optical disc is installed inside the cartridge.

【０００３】0003

【発明が解決しようとする課題】上記従来技術では光デ
ィスク装置への装着時レンズクリ−ニング部材が保護に
対して配慮されておらず、レンズクリ−ニング部材の変
形や塵埃の付着が容易であり、更に使用後付着した塵埃
等の汚れが完全に除去できるよう配慮されておらず、再
使用時にレンズに再付着する可能性があり、またレンズ
上の塵埃の除去方法に配慮されておらず、掃き飛ばしに
より塵埃が飛散し、他の光学部品に付着する可能性があ
り、性能、信頼性の点で問題があった。[Problems to be Solved by the Invention] In the above-mentioned prior art, no consideration is given to protecting the lens cleaning member when it is attached to an optical disc device, and the lens cleaning member is easily deformed and dust is easily attached. There is no consideration given to the complete removal of dust and other dirt that has adhered to the lens after use, and there is a possibility that it may re-adhere to the lens when it is reused. There is a possibility that dust may be scattered and adhere to other optical components, which poses problems in terms of performance and reliability.

【０００４】本発明はカ−トリッジを使用したディスク
装着方式の光ディスク装置に使用し、レンズクリ−ニン
グ部材を保護し、塵埃の再付着を防止するとともに、塵
、埃を飛散させることなく光ディスク装置の外部に除去
することが可能なレンズクリ−ニング装置を提供するこ
とを目的とする。[0004] The present invention is used in an optical disc device of a disc loading type using a cartridge, protects a lens cleaning member, prevents dust from re-adhering, and cleans the optical disc device without scattering dust. It is an object of the present invention to provide a lens cleaning device that can be removed externally.

【０００５】[0005]

【課題を解決するための手段】上記目的のうち、レンズ
クリ−ニング部材を保護するためには、レンズクリ−ニ
ング部材をカ−トリッジと同等の箱状ケ−スの外壁面に
あって箱状ケ−スの最外部より凹となる部分で、対物レ
ンズと対向する部分に配置したものであり、更にレンズ
クリ−ニング部材が自中心軸方向にも移動可能としたも
のである。[Means for Solving the Problems] Among the above objects, in order to protect the lens cleaning member, the lens cleaning member is placed on the outer wall of the box-like case equivalent to the cartridge. - This is a part that is concave from the outermost part of the lens and is disposed in a part facing the objective lens, and furthermore, the lens cleaning member is movable in the direction of the self-center axis.

【０００６】また、塵埃の飛散を防ぐためには、レンズ
クリ−ニング部材が自中心周りに回転し、その駆動を光
ディスク装置に装着時に光ディスク装置の外部から操作
できるよう前記箱状ケ−スの内部に駆動機構を組み込ん
だものである。In addition, in order to prevent dust from scattering, the lens cleaning member rotates around its own center, and the lens cleaning member is mounted inside the box-like case so that its drive can be operated from outside the optical disc device when it is installed in the optical disc device. It incorporates a drive mechanism.

【０００７】また、塵埃の再付着を防ぐためには、レン
ズクリ−ニング部材を回転駆動部より着脱可能としたも
のである。[0007] Furthermore, in order to prevent dust from re-adhering, the lens cleaning member is made removable from the rotary drive unit.

【０００８】さらに、塵埃を光ディスク装置の外部に取
りだすためには、レンズクリ−ニング部材を微細繊維で
構成したものである。Furthermore, in order to remove dust from the optical disk device, the lens cleaning member is made of fine fibers.

【０００９】[0009]

【作用】レンズクリ−ニング部材は箱状ケ−スの外壁面
に露出するが、レンズクリ−ニング部材より凸となる箱
状ケ−スにて保護される。さらにレンズクリ−ニング部
材の中心軸方向の移動は、光ディスク装置にたいして非
装着時には箱状ケ−スより凹となり、装着時には凸とな
るよう動作させることよってより完全に保護することが
出来る。一方レンズクリ−ニング部材が自中心周りにゆ
っくり回動するので、塵埃の飛散が防止され、他方レン
ズクリ−ニング部材が回転駆動部より着脱可能なことに
よりレンズクリ−ニング部材が新しい汚れの無いものに
交換可能となるので塵埃の再付着も解消される。またレ
ンズクリ−ニング部材を微細繊維により構成することで
繊維間に対物レンズ上の塵埃を多量に取り込み、光ディ
スク装置の外部に取りだすことが出来る。[Operation] The lens cleaning member is exposed on the outer wall surface of the box-like case, but is protected by the box-like case which is more convex than the lens cleaning member. Further, the movement of the lens cleaning member in the direction of the central axis can be more completely protected by operating the optical disk device so that it is concave than the box-like case when it is not mounted, and convex when it is mounted. On the one hand, the lens cleaning member rotates slowly around its own center, which prevents dust from scattering, and on the other hand, the lens cleaning member is removable from the rotary drive unit, allowing the lens cleaning member to be replaced with a new, clean one. This also eliminates the re-adhesion of dust. Further, by constructing the lens cleaning member from fine fibers, a large amount of dust on the objective lens can be captured between the fibers and taken out to the outside of the optical disc device.

【００１０】0010

【実施例】以下、本発明の一実施例を図１〜図４により
説明する。[Embodiment] An embodiment of the present invention will be described below with reference to FIGS. 1 to 4.

【００１１】図１は一実施例の底面斜視図であり、図２
は一実施例の上面斜視図であり、図３は要部の断面図で
ある。図１、２、３において箱状ケ−ス１は光ディスク
を回転駆動するタ−ンテ−ブル１４を挿入する開口部２
と、光ピックアップ１６の走行用凹部３と、箱状ケ−ス
１を光ディスク装置（図示せず）に装着したときの位置
決めをする位置決め用穴４と、箱状ケ−ス１を光ディス
ク装置の内部に引き込むための引っ掛け凹部を具備し、
該箱状ケ−ス１の光ピックアップ走行用凹部３の底部で
光ピックアップ１６の対物レンズ１７に対向する部分に
、箱状ケ−ス１に対し回転し、かつ、自回転軸方向に移
動可能とした回転ハグルマ８に粘着材等の取付手段で取
り付けたレンズクリ−ニング部材６が配置される。FIG. 1 is a bottom perspective view of one embodiment, and FIG.
3 is a top perspective view of one embodiment, and FIG. 3 is a sectional view of main parts. 1, 2, and 3, a box-like case 1 has an opening 2 into which a turntable 14 for rotating an optical disk is inserted.
, a recess 3 for running the optical pickup 16, a positioning hole 4 for positioning the box-like case 1 when it is attached to an optical disk device (not shown), and a positioning hole 4 for positioning the box-like case 1 when it is attached to an optical disk device (not shown). Equipped with a hook recess for pulling inside,
At the bottom of the optical pickup traveling concave portion 3 of the box-like case 1, a portion facing the objective lens 17 of the optical pickup 16 is provided with a rotatable member that can rotate relative to the box-like case 1 and move in the direction of its own rotation axis. A lens cleaning member 6 attached to the rotating hugger 8 using an attachment means such as an adhesive material is disposed.

【００１２】前記回転ハグルマ８はハグルマホルダ１０
により係止され、該ハグルマホルダ１０は回転ハグルマ
８の回転軸方向に弾性変形可能な形状よりなる弾性材と
し、該弾性変形を妨げない形状とした前記箱状ケ−ス１
に対し係止ネジ１１にて固定される。このときハグルマ
ホルダ１０はレンズクリ−ニング部材６が箱状ケ−ス１
に対し凹となるよう、カバ−シ−ト１２に回転ハグルマ
８が押しつけられるようにして固定される。The rotating hugger 8 is a hugger holder 10.
The hugger holder 10 is made of an elastic material having a shape that can be elastically deformed in the direction of the rotation axis of the rotating hugger 8, and the box-shaped case 1 has a shape that does not hinder the elastic deformation.
It is fixed with a locking screw 11. At this time, the lens cleaning member 6 of the hugger holder 10 is attached to the box-shaped case 1.
The rotary hugger 8 is pressed against and fixed to the cover sheet 12 so as to be concave with respect to the cover sheet 12.

【００１３】箱状ケ−ス１の円弧をなした凹部にはめこ
まれ、カバ−シ−ト１２との間に挾まれ、箱状ケ−ス１
の箱状ケ−ス１に対し回動可能とした駆動プレ−ト７の
歯車部７ａと回転ハグルマ８は、回転ハグルマ８が自回
転軸方向に移動しても常に係合するよう形成、配置され
る。The box-shaped case 1 is fitted into the arcuate recess of the box-shaped case 1 and is sandwiched between the cover sheet 12 and the box-shaped case 1.
The gear portion 7a of the drive plate 7, which is rotatable with respect to the box-like case 1, and the rotary hugger 8 are formed and arranged so that they always engage with each other even if the rotary hugger 8 moves in the direction of its own rotation axis. be done.

【００１４】駆動プレ−ト７の操作部７ｂは箱状ケ−ス
１のタ−ンテ−ブル１４の挿入口２の中心に対しレンズ
クリ−ニング部材６と反対となる側で箱状ケ−ス１の外
部に突出するよう形成、配置される。The operating portion 7b of the drive plate 7 is connected to the box-shaped case 1 on the side opposite to the lens cleaning member 6 with respect to the center of the insertion opening 2 of the turntable 14 of the box-shaped case 1. It is formed and arranged so as to protrude to the outside of 1.

【００１５】上記のように形成、配置、構成された状態
において。駆動プレ−ト７の操作部７ｂを箱状ケ−ス１
に対して矢印Ａ及びＡ’の方向に揺動すると、駆動プレ
−ト７の歯車部７ａは矢印Ｂ及びＢ’の方向に揺動し、
これと係合する回転ハグルマ８は自中心周りに回転する
。[0015] In the state formed, arranged, and configured as described above. The operation part 7b of the drive plate 7 is mounted in a box-like case 1.
When the drive plate 7 swings in the directions of arrows A and A', the gear portion 7a of the drive plate 7 swings in the directions of arrows B and B'.
The rotating hugger 8 that engages with this rotates around its own center.

【００１６】図４は一実施例を光ディスク装置に装着し
た場合の要部断面図である。図４において、箱状ケ−ス
１の挿入口２に挿入されたタ−ンテ−ブル１４には光デ
ィスク固定用の磁石１５が組み込まれ、これに対向して
配置された良磁性材で形成されたハグルマホルダ１０を
吸引する。ハグルマホルダ１０に係止された回転ハグル
マ８は先端に取り付けたレンズクリ−ニング部材６が箱
状ケ−ス１より凸となるよう移動し、該レンズクリ−ニ
ング部材６は対向する光ピックアップ１６の対物レンズ
１７に圧接される。FIG. 4 is a sectional view of a main part of an embodiment installed in an optical disk device. In FIG. 4, a turntable 14 inserted into an insertion slot 2 of a box-like case 1 has a magnet 15 for fixing an optical disk built in, and a magnet 15 made of a good magnetic material placed opposite to the magnet 15. The attached hugurama holder 10 is suctioned. The rotary hugger 8 fixed to the hugger holder 10 moves so that the lens cleaning member 6 attached to the tip becomes more convex than the box-like case 1, and the lens cleaning member 6 moves toward the objective of the opposing optical pickup 16. It is pressed against the lens 17.

【００１７】この状態において、光ディスク装置の前面
パネル１８より前面に突出した駆動プレ−ト７の操作部
７ｂを揺動させることにより、駆動プレ−ト７を介して
回転ハグルマ８及びレンズクリ−ニング部材６が回転し
、レンズクリ−ニング部材６が圧接している対物レンズ
１７上の塵埃等の汚れを拭い取ることが可能となる。In this state, by swinging the operating portion 7b of the drive plate 7 which protrudes forward from the front panel 18 of the optical disc device, the rotary hugger 8 and the lens cleaning member are operated via the drive plate 7. 6 rotates, and the lens cleaning member 6 can wipe off dirt such as dust on the objective lens 17, which is in pressure contact with the objective lens 17.

【００１８】このとき、微細繊維からなるレンズクリ−
ニング部材６は、図５に示すごとく、微細繊維１９の間
に塵埃粒子２０が取り込まれ保持される。さらに、繊維
が微細であるため多数の繊維の隙間が存在し、多量の塵
埃粒子を取り込める。At this time, lens cream made of fine fibers
As shown in FIG. 5, in the cleaning member 6, dust particles 20 are captured and held between the fine fibers 19. Furthermore, since the fibers are fine, there are many gaps between the fibers, which can trap a large amount of dust particles.

【００１９】[0019]

【発明の効果】本発明によれば、対物レンズを清掃する
レンズクリ−ニング部材は箱状ケ−スに保護され、通常
の取扱における塵埃の付着や外力を受けての変形を軽減
することが出来る。また、光ディスク装置に装着したと
きには、対物レンズに圧接され、対物レンズ上のみで動
作するため、レンズ上の塵埃を他の部分に飛散させるこ
とが無い。さらに、レンズクリ−ニング部材を微細繊維
で構成することで、対物レンズ上の塵埃を繊維間に多量
に取り込め、本発明装置を光ディスク装置より取りだす
ことで、塵埃を光ディスク装置の外部に取り出せ、レン
ズクリ−ニング部材を着脱可能とすることで、本発明装
置を再使用する場合に一度取りだした塵埃を再持込みす
ることも防止できる。[Effects of the Invention] According to the present invention, the lens cleaning member for cleaning the objective lens is protected by a box-like case, and it is possible to reduce the adhesion of dust and deformation due to external force during normal handling. . Further, when mounted on an optical disc device, the optical disk drive is pressed against the objective lens and operates only on the objective lens, so that dust on the lens is not scattered to other parts. Furthermore, by configuring the lens cleaning member with fine fibers, a large amount of dust on the objective lens can be captured between the fibers, and by taking out the device of the present invention from the optical disk device, the dust can be taken out of the optical disk device. By making the cleaning member removable, it is also possible to prevent dust that has been taken out from being brought in again when the device of the present invention is reused.

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

【図１】本発明の一実施例の裏面斜視図、FIG. 1 is a rear perspective view of an embodiment of the present invention;

【図２】一実
施例の表面斜視図、FIG. 2 is a front perspective view of one embodiment;

【図３】一実施例の非使用時の要部断面図、[Fig. 3] A sectional view of the main part of one embodiment when not in use,

【図４】一
実施例の光ディスク装置に装着した状態の要部断面図、FIG. 4 is a cross-sectional view of the main part of the optical disc device of one embodiment in a state where it is installed;

【図５】微細繊維を使用した例のレンズクリ−ニング部
材の塵埃取り込み状態説明図である。FIG. 5 is an explanatory diagram of a state in which dust is taken in by a lens cleaning member using fine fibers.

【符号の説明】[Explanation of symbols]

１．箱状ケ−ス、２．タ−ンテ−ブル挿入穴、３．ピッ
クアップ走行用凹部、４．位置決め用穴、５．引っ掛け
用凹部、６．レンズクリ−ニング部材、７．駆動プレ−
ト、７ａ．駆動プレ−ト歯車部、７ｂ．駆動プレ−ト操
作部、８．回転ハグルマ、１０．ハグルマホルダ、１１
．係止ネジ、１２．カバ−シ−ト、１４．タ−ンテ−ブ
ル、１５．磁石、１６．光ピックアップ、１７．対物レ
ンズ、１８．前面パネル、１９．微細繊維、２０．塵埃
粒子、1. Box-shaped case, 2. Turntable insertion hole, 3. Recessed portion for pickup travel; 4. Positioning hole, 5. recess for hooking, 6. Lens cleaning member, 7. Drive plate
g, 7a. Drive plate gear section, 7b. Drive plate operating section, 8. Rotating huguruma, 10. Huguruma holder, 11
．． Locking screw, 12. Cover sheet, 14. Turntable, 15. Magnet, 16. Optical pickup, 17. Objective lens, 18. Front panel, 19. Fine fiber, 20. dust particles,

Claims (4)

【特許請求の範囲】[Claims] 【請求項１】光又は光磁気のディスク状記録媒体（以下
、光ディスクとする。）を回転駆動するタ−ンテ−ブル
を挿入する開口と、該光ディスクの情報を記録再生する
光ピックアップの走行用凹部と、位置決め用穴と、引き
込み用の引っ掛け凹部とを有する箱状ケ−スの、前記光
ピックアップの走行用凹部の光ピックアップの対物レン
ズと対向する部位に、該対物レンズを清掃するレンズク
リ−ニング部材を回転自在に配置するとともに、該レン
ズクリ−ニング部材を回動させる駆動機構を前記箱状ケ
−スの内部に設け、該駆動機構の一部を駆動操作部と成
すとともに、箱状ケ−スより外部に突出させ配置したこ
とを特徴とする光ディスク装置のレンズクリ−ニング装
置。Claim 1: An opening for inserting a turntable for rotationally driving an optical or magneto-optical disk-shaped recording medium (hereinafter referred to as an optical disk), and an opening for driving an optical pickup for recording and reproducing information on the optical disk. A box-shaped case having a recess, a positioning hole, and a recess for retracting a hook is provided with a lens cleaner for cleaning the objective lens at a portion of the recess for running the optical pickup that faces the objective lens of the optical pickup. The lens cleaning member is arranged rotatably, and a drive mechanism for rotating the lens cleaning member is provided inside the box-shaped case, and a part of the drive mechanism serves as a drive operation section. - A lens cleaning device for an optical disk device, characterized in that the device is arranged to protrude outside from a base. 【請求項２】レンズクリ−ニング部材を回転軸方向に移
動可能な構造とし、該レンズクリ−ニング部材を箱状ケ
−スに対し保持する係止部材を設けるとともに、該係止
部材は弾性材でかつ、磁性材とし、前記レンズクリ−ニ
ング部材の回転軸方向に弾性変形可能で、かつ、前記光
ディスク回転駆動用タ−ンテ−ブルに対向するよう箱状
ケ−スに固定、配置したことを特徴とする請求項１記載
の光ディスク装置のレンズクリ−ニング装置。2. The lens cleaning member has a structure that is movable in the direction of the rotation axis, and a locking member for holding the lens cleaning member against the box-like case is provided, and the locking member is made of an elastic material. The lens cleaning member is made of a magnetic material, is elastically deformable in the direction of the rotation axis of the lens cleaning member, and is fixed and arranged in a box-like case so as to face the optical disk rotation drive turntable. 2. A lens cleaning device for an optical disc device according to claim 1. 【請求項３】レンズクリ−ニング部材を、回転させる機
構にたいして粘着等の取付手段を用いて、着脱可能にし
た請求項１記載の光ディスク装置のレンズクリ−ニング
装置。3. The lens cleaning device for an optical disk device according to claim 1, wherein the lens cleaning member is detachably attached to the rotating mechanism using adhesive or other attachment means. 【請求項４】クリ−ニング部材を微細繊維で構成したこ
とを特徴とする請求項１記載の光ディスク装置のレンズ
クリ−ニング装置。4. A lens cleaning device for an optical disk device according to claim 1, wherein the cleaning member is made of fine fibers.
JP3007536A 1991-01-25 1991-01-25 Lens cleaning device for optical disk device Pending JPH04248138A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3007536A JPH04248138A (en) 1991-01-25 1991-01-25 Lens cleaning device for optical disk device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3007536A JPH04248138A (en) 1991-01-25 1991-01-25 Lens cleaning device for optical disk device

Publications (1)

Publication Number Publication Date
JPH04248138A true JPH04248138A (en) 1992-09-03

Family

ID=11668512

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3007536A Pending JPH04248138A (en) 1991-01-25 1991-01-25 Lens cleaning device for optical disk device

Country Status (1)

Country Link
JP (1) JPH04248138A (en)

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