JPS6288194A - Magnetic disk device - Google Patents

Magnetic disk device

Info

Publication number
JPS6288194A
JPS6288194A JP22920685A JP22920685A JPS6288194A JP S6288194 A JPS6288194 A JP S6288194A JP 22920685 A JP22920685 A JP 22920685A JP 22920685 A JP22920685 A JP 22920685A JP S6288194 A JPS6288194 A JP S6288194A
Authority
JP
Japan
Prior art keywords
magnetic disk
moisture absorbent
base
housing base
spindle
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
JP22920685A
Other languages
Japanese (ja)
Inventor
Masayuki Kimura
雅幸 木村
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Priority to JP22920685A priority Critical patent/JPS6288194A/en
Publication of JPS6288194A publication Critical patent/JPS6288194A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To maintain a humidity control extending over many hours by providing a moisture absorbent in a housing base, also providing a respiration filter, and making it communicate with a moisture absorbent of the outside of the base, in a device consisting of a magnetic disk, a carriage for holding a head, and a housing base for holding a spindle rotary mechanism, etc. CONSTITUTION:A head disk assembly constituted of a housing base 3a and 3b, a spindle 4, a carriage 5, a magnetic circuit 6, and a frame 7 is loaded on a base plate 1, and the spindle 4 is constituted of a spindle hub 8, a pulley 17, and a shaft 18, etc. Also, to the hub 8, a magnetic disk 10 is laminated through a spacer ring 9, and a moisture absorbent 13 is contained in the inside of the base 3b. Moreover, in the inside of the base 3a, a circulating filter 16 and a respiration filter 15 are provided, but in this case, a through-hole 19 is made to pass through the filter 15 and a moisture absorbent 14 is provided. In this way, a moisture absorption effect is maintained, and a head crush is prevented.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、磁気ディスク装置に関し、特に自己内部循環
型エアフロ型式を有する密閉構造方式の磁気ディスク装
置に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a magnetic disk device, and more particularly to a magnetic disk device of a sealed structure type having a self-internal circulation type air flow type.

〔従来の技術〕[Conventional technology]

従来、この種の磁気ディスク装置に於ては、ハウジング
ベース内部に吸湿剤を設け、ハウジングベースの内部或
いは外部に外気と通じる呼吸フィルタを設け、磁気ディ
スク装置の動作時、及び非動作時共に、ハウジングベー
ス内部の空気清浄化及び湿度制御を行っていた。Conventionally, in this type of magnetic disk drive, a moisture absorbent is provided inside the housing base, and a breathing filter that communicates with the outside air is provided inside or outside the housing base. Cleaned the air and controlled humidity inside the housing base.

〔発明が解決しようとする問題点〕[Problem that the invention seeks to solve]

上述した従来の磁気ディスク装置は、ハウジングベース
内部に吸湿剤を設けている為、一定時間経過後の吸湿剤
の効果が不明であり、且つ吸湿剤の寿命がきた場合にも
保守交換が不可能という欠点がある。The conventional magnetic disk drive described above has a moisture absorbent inside the housing base, so the effectiveness of the moisture absorbent after a certain period of time is unknown, and even when the moisture absorbent reaches the end of its lifespan, maintenance and replacement are impossible. There is a drawback.

〔問題点を解決するための手段〕[Means for solving problems]

本発明の磁気ディスク装置は％磁気ディスクと、前記磁
気ディスクに対応して設けられる磁気へ９ドと、前記磁
気ディスクを支持回転させるスピンドル回転機構と、前
記スピンドル回転機構を保持するハウジングベースと、
前記ノーウジングペース内部に設けられる吸湿剤と、前
記磁気ヘッドを保持するキャリッジと％前記キャリッジ
を駆動子る磁気回路とを具備する磁気ディスク装置にお
いて、上記ハウジングベース内部に呼吸フィルタとを設
け、上記ハウジングベース外部に前記呼吸フィルタと通
じる吸湿剤を有している。A magnetic disk device of the present invention includes a magnetic disk, a magnetic disk provided corresponding to the magnetic disk, a spindle rotation mechanism that supports and rotates the magnetic disk, and a housing base that holds the spindle rotation mechanism.
A magnetic disk drive comprising a moisture absorbent provided inside the nousing space, a carriage holding the magnetic head, and a magnetic circuit driving the carriage, wherein a breathing filter is provided inside the housing base, and a breathing filter is provided inside the housing base. A moisture absorbent is provided on the exterior of the housing base and communicates with the breathing filter.

〔実施例〕〔Example〕

次に、本発明について図面を参照して説明する。 Next, the present invention will be explained with reference to the drawings.

第１図は本発明の磁気ディスク装置の一実施例を示す一
部破断乎面図である。FIG. 1 is a partially cutaway view showing an embodiment of the magnetic disk device of the present invention.

この実施例の磁気ディスク装置は、ベースプレート１上
にへヴドディスク組立２（以下ＨＤＡと略す）が搭載さ
れ、）ＩＤＡ２は、ノ・ウジフグベース３ａ、ハウジン
グベース３ｂ、スピンドル４１キャリリジ５．磁気回路
６．フレーム７よ多構成されている。The magnetic disk device of this embodiment has a hard disk assembly 2 (hereinafter abbreviated as HDA) mounted on a base plate 1, and the IDA 2 includes a base 3a, a housing base 3b, a spindle 41, a carriage 5. Magnetic circuit 6. Frame 7 is composed of more than 7 frames.

スピンドル４は、スピンドルハフ’８．７”−＋Ｈ７゜
シャフト１８．軸受（図示せず）よ多構成され、スピン
ドルハブ８にはスペーサリング９を介して磁気ディスク
ＩＯが検層され、クランプリング１１により磁気ディス
クｌＯはスピンドルノ・プ８に固定サレる。ハウジング
ベース３ｂの内部には吸湿剤１３が配置され、ノ・ウジ
ングペース３ａ内邪には、循環フィルタ１６と周知の呼
吸フィルタ１５が設けられてお夛、ハウジングベース３
ｇ外ｉ１には、貫通穴１９を通じて呼吸フィルタ１５と
連通ずる吸湿剤１４が設けられている。The spindle 4 is composed of a spindle half '8.7''-+H7° shaft 18, a bearing (not shown), a magnetic disk IO is logged to the spindle hub 8 via a spacer ring 9, and a clamp ring 11. The magnetic disk lO is fixed to the spindle knob 8.A moisture absorbent 13 is arranged inside the housing base 3b, and a circulation filter 16 and a well-known breathing filter 15 are arranged inside the housing base 3a. Taretare Otori, Housing Base 3
A moisture absorbent 14 communicating with the respiratory filter 15 through a through hole 19 is provided outside g i1.

又、キャリッジ５には磁気ヘッド１２が実装されておシ
、磁気回路６の磁界と、キャリッジコイル（図示せず）
に電流を印加することによシ生じる磁界との反発力によ
シ、キャリッジ５は直線往復運動を行い、キャリッジ５
に取シ付けられている磁気ヘッド１２を直線往復運動さ
せる。Further, a magnetic head 12 is mounted on the carriage 5, and the magnetic field of the magnetic circuit 6 and a carriage coil (not shown) are connected to each other.
The carriage 5 performs linear reciprocating motion due to the repulsive force with the magnetic field generated by applying a current to the carriage 5.
The magnetic head 12 attached to the magnetic head 12 is caused to reciprocate in a straight line.

一方、スピンドルハブ８に固定されている磁気ディスク
ｌＯは、ベースプレートｌ上に配置されたモータ（図示
せず）の回転をベルト２０を介してプーリ１７に伝達す
ることによって回転させられる。On the other hand, the magnetic disk lO fixed to the spindle hub 8 is rotated by transmitting the rotation of a motor (not shown) disposed on the base plate l to the pulley 17 via the belt 20.

このように本発明の実施例では、）ＩＤＡ２の内部に吸
湿剤１３と呼吸フィルタ１５とを設け、ＨＤＡ２の外部
にハウジングベース３ａの貫通穴１９を通して呼吸フィ
ルタ１５と通じる吸湿剤１４を設けているため、磁気デ
ィスク装置の動作時φ非動作詩共に周囲の環境に左右さ
れることなくＨＤＡ内部の空気清浄化、及び湿度制御が
保たれ、且つ、吸湿剤１４は外側にあるから、その寿命
がきた場合には保守交換が容易に実施可能である為、磁
気ディスク装置にとって致命的なへりド・クラ９シユ事
故を防止でき、高信頼性の磁気ディスク装置が得られる
という効果がある。In this embodiment of the present invention, the hygroscopic agent 13 and the breathing filter 15 are provided inside the IDA 2, and the hygroscopic agent 14 is provided outside the HDA 2 and communicates with the breathing filter 15 through the through hole 19 of the housing base 3a. Therefore, air purification and humidity control inside the HDA are maintained regardless of the surrounding environment, both when the magnetic disk device is in operation and when it is not in operation.Moreover, since the moisture absorbent 14 is located outside, its lifespan is shortened. If the problem occurs, maintenance and replacement can be easily carried out, so that it is possible to prevent a crash accident that is fatal to a magnetic disk device, and there is an effect that a highly reliable magnetic disk device can be obtained.

なお、吸湿剤１３は５年以上の使用に耐えるように設計
されているため、その間は交換の必要はない。Note that the moisture absorbent 13 is designed to withstand use for five years or more, so there is no need to replace it during that time.

〔発明の効果〕〔Effect of the invention〕

以上説明したように本発明の磁気ディスク装置は、ＨＤ
Ａ内部に吸湿剤と呼吸フィルタとを設け、ＨＤＡ外部に
呼吸フィルタと貫通穴を通して連通ずる吸湿フィルタを
設ける構成とすることＫよシ、ＨＤ人内部の空気清浄化
、及び湿度制御が保持され、且つ、吸湿剤の寿命がきた
場合にはＨＤＡ外部の吸湿剤の保守交換が容易に実施で
きる為、磁気ディスク装置のヘッド・クラ９シユ事故を
防止でき、信頼性の高い磁気ディスク装置が得られると
いう効果がある。As explained above, the magnetic disk device of the present invention has an HD
A is provided with a moisture absorbent and a breathing filter inside the HDA, and a moisture absorption filter is provided outside the HDA that communicates with the breathing filter through a through hole. In addition, when the moisture absorbent reaches the end of its lifespan, maintenance and replacement of the moisture absorbent outside the HDA can be easily carried out, which prevents head crash accidents in magnetic disk drives and provides highly reliable magnetic disk drives. There is an effect.

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

第１図は本発明の磁気ディスク装置の一実施例を示す一
部破断乎面図である。 ２・・・・・・ヘッドディスク組立、３　ａ、　３ｂ・
・・・・・ノ・ウジングベース、４・・・・・・スピン
ドル、５・・・・・・キャリッジ、６・・・・・・磁気
回路、ｌＯ・・・・・・磁気ディスク、１２・・・・・
・磁気へ・ソド、１３．ｌ　４・・・・・・吸湿剤、１
５・・・・・・呼吸フィルタ。FIG. 1 is a partially cutaway view showing an embodiment of the magnetic disk device of the present invention. 2...Head disk assembly, 3a, 3b.
...Using base, 4...Spindle, 5...Carriage, 6...Magnetic circuit, lO...Magnetic disk, 12.・・・・・・
・To magnetism・Sodo, 13. l 4...Moisture absorbent, 1
5...Respiration filter.

Claims (1)

【特許請求の範囲】[Claims] 磁気ディスクと、前記磁気ディスクに対応して設けられ
る磁気ヘッドと、前記磁気ディスクを支持回転させるス
ピンドル回転機構と、前記スピンドル回転機構を保持す
るハウジングベースと、前記ハウジングベース内部に設
けられる吸湿剤と、前記磁気ヘッドを保持するキャリッ
ジと、前記キャリッジを駆動する磁気回路とを具備する
磁気ディスク装置において、前記ハウジングベース内部
に呼吸フィルタを設け、前記ハウジングベース外部に前
記呼吸フィルタと通じる吸湿剤を設けたことを特徴とす
る磁気ディスク装置。A magnetic disk, a magnetic head provided corresponding to the magnetic disk, a spindle rotation mechanism that supports and rotates the magnetic disk, a housing base that holds the spindle rotation mechanism, and a moisture absorbent provided inside the housing base. , in a magnetic disk drive comprising a carriage that holds the magnetic head and a magnetic circuit that drives the carriage, a breathing filter is provided inside the housing base, and a moisture absorbent communicating with the breathing filter is provided outside the housing base. A magnetic disk device characterized by:
JP22920685A 1985-10-14 1985-10-14 Magnetic disk device Pending JPS6288194A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22920685A JPS6288194A (en) 1985-10-14 1985-10-14 Magnetic disk device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22920685A JPS6288194A (en) 1985-10-14 1985-10-14 Magnetic disk device

Publications (1)

Publication Number Publication Date
JPS6288194A true JPS6288194A (en) 1987-04-22

Family

ID=16888479

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22920685A Pending JPS6288194A (en) 1985-10-14 1985-10-14 Magnetic disk device

Country Status (1)

Country Link
JP (1) JPS6288194A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0192988A (en) * 1987-10-05 1989-04-12 Hitachi Ltd Disk device
US5734521A (en) * 1994-07-29 1998-03-31 International Business Machines Corporation Moisture-absorbent element for disk drives

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0192988A (en) * 1987-10-05 1989-04-12 Hitachi Ltd Disk device
US5734521A (en) * 1994-07-29 1998-03-31 International Business Machines Corporation Moisture-absorbent element for disk drives

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