JPH0216454Y2 - - Google Patents
Info
- Publication number
- JPH0216454Y2 JPH0216454Y2 JP1983089510U JP8951083U JPH0216454Y2 JP H0216454 Y2 JPH0216454 Y2 JP H0216454Y2 JP 1983089510 U JP1983089510 U JP 1983089510U JP 8951083 U JP8951083 U JP 8951083U JP H0216454 Y2 JPH0216454 Y2 JP H0216454Y2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic sheet
- core body
- annular elastic
- elastic body
- core
- 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.)
- Expired
Links
- 238000003825 pressing Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims 1
- 239000002184 metal Substances 0.000 description 5
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Magnetic Record Carriers (AREA)
Description
【考案の詳細な説明】
産業上の利用分野
本考案は回転する円盤状記録媒体（以下、デイ
スクと称す）に情報信号を記録あるいは再生す
る、例えばフロツピーデイスク装置に代表される
ような装置に使用されるデイスクに関するもので
ある。[Detailed Description of the Invention] Industrial Application Field The present invention is applicable to devices such as floppy disk devices that record or reproduce information signals on a rotating disc-shaped recording medium (hereinafter referred to as a disk). It concerns the disks used.
従来例の構成とその問題点
従来のフロツピーデイスク装置等において、磁
気デイスクは例えば装置側のスピンドルと係合し
て回転し、装置側の磁気ヘツドによつて信号が磁
気デイスクに記録あるいは再生される。この時、
磁気デイスクの回動中心が常に一定でないと、磁
気ヘツドと磁気デイスクとの相対位置がずれ、再
生時に磁気ヘツドが記録トラツク上を正確に走査
できないなどといつた問題が生じる。この点を解
決するために第１図に示すような磁気デイスクが
考えられてきた。Conventional Structure and Problems In conventional floppy disk devices, the magnetic disk is engaged with a spindle on the device side and rotates, and signals are recorded on or reproduced from the magnetic disk by a magnetic head on the device side. Ru. At this time,
If the center of rotation of the magnetic disk is not always constant, the relative position between the magnetic head and the magnetic disk will shift, causing problems such as the inability of the magnetic head to accurately scan the recording track during reproduction. To solve this problem, a magnetic disk as shown in FIG. 1 has been devised.
第１図に於いて、磁気デイスクａは磁気シート
１と樹脂成形されたセンターコアｂより成る。こ
のセンターコアｂは係合孔２とニゲ孔３、そし
て、それらの間に押圧片４を構成するよう樹脂成
形にて一体に形成される。またセンターコアｂ外
周には磁気シート１を受け留めるため、フラツト
部ｃを有し且つ複数個の孔を設けて環状形成され
た金属板５を設けている。磁気デイスクａを保護
する収納ジヤケツト（図示せず）に収納した時の
防塵及び略位置決めを目的としたスカート部９は
金属板５の複数個の孔を介して同樹脂成形にてコ
ア本体６とともにインサート成形される。磁気シ
ート１は弾性体ワツシヤ８を介してコアキヤツプ
７により歪みなく挾持させる。そして前記構成部
品を第１図に示すように組立て、センターコアｂ
として一体化せしめるため、コアキヤツプ７に一
体成形された凸部ｄとコア本体６に設けられた平
滑部ｅとを超音波溶着にて固定せしめ、磁気シー
ト１を継続的に且つ弾性的に圧締挾持せしめよう
とするものである。 In FIG. 1, a magnetic disk a consists of a magnetic sheet 1 and a resin-molded center core b. This center core b is integrally formed by resin molding so as to form an engaging hole 2, a nip hole 3, and a pressing piece 4 between them. Further, in order to receive the magnetic sheet 1 on the outer periphery of the center core b, there is provided a metal plate 5 which has a flat portion c and is formed into an annular shape with a plurality of holes. A skirt portion 9 for the purpose of dustproofing and approximate positioning when stored in a storage jacket (not shown) that protects the magnetic disk a is molded with the same resin through a plurality of holes in the metal plate 5 together with the core body 6. Insert molded. The magnetic sheet 1 is held by the core cap 7 through the elastic washer 8 without distortion. Then, assemble the components as shown in FIG.
In order to integrate the magnetic sheet 1, the convex portion d integrally formed on the core cap 7 and the smooth portion e provided on the core body 6 are fixed by ultrasonic welding, and the magnetic sheet 1 is continuously and elastically compressed. It is an attempt to hold them in place.
一方装置側には磁気デイスクａを回転させるべ
くスピンドル（図示せず）が設けられており、前
記コア本体６の係合孔２に挿入すると、スピンド
ルと一体的に設けられたマグネツト（図示せず）
に金属板５が吸着される。また押圧片によつてス
ピンドルとセンターコアｂとは正確に位置決めさ
れ磁気デイスクａはスピンドルと一体的に回転す
る。 On the other hand, a spindle (not shown) is provided on the device side to rotate the magnetic disk a, and when inserted into the engagement hole 2 of the core body 6, a magnet (not shown) provided integrally with the spindle is inserted into the engaging hole 2 of the core body 6. )
The metal plate 5 is attracted to. Further, the spindle and center core b are accurately positioned by the pressing piece, and the magnetic disk a rotates integrally with the spindle.
以上が従来のデイスクであるが、前述した如く
磁気シート１を継続的に圧締挾持するため、コア
本体６にコアキヤツプ７を超音波溶着等で固定せ
しめており、磁気シート１に欠損部が発生した場
合、磁気シート１のみの交換は不可能である。し
たがつてその都度センターコアｂ付磁気デイスク
ａを新たに用いることとなり、センターコアｂを
捨てざるを得ず前述構成部品とその組立工数が無
駄な費用となる。また超音波溶着といつた工程が
不可欠であるといつた問題があつた。 The above is a conventional disk, but as mentioned above, in order to continuously clamp and hold the magnetic sheet 1, the core cap 7 is fixed to the core body 6 by ultrasonic welding, etc., so that the magnetic sheet 1 has a defective part. In this case, it is impossible to replace only the magnetic sheet 1. Therefore, each time a new magnetic disk a with a center core b is used, the center core b has to be discarded, and the aforementioned component parts and their assembly man-hours are wasted. Another problem was that a process such as ultrasonic welding was essential.
考案の目的
本考案は以上の難点に鑑みて為されたものであ
り、簡単な構成で確実に磁気シートを継続的に圧
締挾持することが出来、磁気シートの脱着交換が
ワンタツチで行なえ、且つ部品点数の削減並びに
組立固定のための超音波溶着等の二次加工が不要
となりコスト的にも安いデイスクを提供すること
を目的とする。Purpose of the invention The present invention was created in view of the above-mentioned difficulties. It has a simple structure, can reliably clamp and clamp the magnetic sheet continuously, and can attach and detach the magnetic sheet with one-touch replacement. The purpose of the present invention is to reduce the number of parts and provide a disk that is inexpensive in terms of cost and eliminates the need for secondary processing such as ultrasonic welding for assembly and fixation.
考案の構成
本考案は、磁気シートを継続的に圧締挾持する
ための環状弾性体と、外部々材と係合して回動し
且つ中央に外部々材と係合する孔、外部々材を一
方向に押圧する弾性部、磁気シートを受ける平滑
部および環状弾性体を保持する凸部を設けたコア
本体とを備え、磁気シートを容易に脱着交換可能
せしめ、デイスクを安価に、簡便に製造及び利用
出来るものである。Structure of the invention The present invention includes an annular elastic body for continuously clamping and holding a magnetic sheet, a hole in the center that rotates while engaging with an external member, and a hole in the center that engages with an external member. The core body has an elastic part that presses the magnetic sheet in one direction, a smooth part that receives the magnetic sheet, and a convex part that holds the annular elastic body.The magnetic sheet can be easily attached and replaced, making the disk inexpensive and convenient. It can be manufactured and used.
実施例の説明
以下本考案の第一の実施例を第２図に基づき説
明する。DESCRIPTION OF EMBODIMENTS A first embodiment of the present invention will be described below with reference to FIG.
第２図に於いて、磁気デイスクａは磁気シート
１と樹脂成形されたセンターコアｂよりなる。こ
のセンターコアｂは係合孔２とニゲ孔３、そして
それらの間に押圧片４を構成するよう樹脂成形に
て一体に形成される。またセンターコア外周には
磁気シート１を受け留めるため、フラツト部ｃを
有し合せて複数個の孔を設けて環状形成された金
属板５を設けている。磁気デイスクａを保護する
収納ジヤケツト（図示せず）に収納した時の防塵
及び略位置決めを目的としたスカート９は、その
金属板５に設けた複数の孔を介して同樹脂成形に
てコア本体６とともにインサート成形される。１
０は磁気シート１を歪みが生じないように弾性的
に圧締挾持せしめるための環状弾性体で、この環
状弾性体１０を確実に係止させるための凹部ｆが
コア本体６に形成されている。 In FIG. 2, a magnetic disk a consists of a magnetic sheet 1 and a resin-molded center core b. This center core b is integrally formed by resin molding so as to form an engaging hole 2, a nip hole 3, and a pressing piece 4 between them. Further, in order to receive the magnetic sheet 1 on the outer periphery of the center core, a metal plate 5 is provided which has a flat portion c and is formed into an annular shape with a plurality of holes. A skirt 9 for the purpose of dustproofing and approximate positioning when the magnetic disk a is stored in a storage jacket (not shown) that protects the magnetic disk a is formed by molding the same resin into the core body through a plurality of holes provided in the metal plate 5. It is insert molded together with 6. 1
0 is an annular elastic body for elastically clamping and holding the magnetic sheet 1 without distortion, and a recess f is formed in the core body 6 to securely lock the annular elastic body 10. .
この環状弾性体１０にはコア本体６の凹部ｆと
嵌合する凸部ｇおよび磁気シート１の交換を容易
に出来るよう手の指先がかかる様に段差ｈが一体
成形にて形成されている。磁気シート１の交換が
必要になつた場合には環状弾性体１０に構成され
ている段差ｈを活用し手の指先などで環状弾性体
１０を離脱させれば磁気シート１は容易に交換出
来る。 This annular elastic body 10 is integrally formed with a convex part g that fits into a concave part f of the core body 6, and a step h so that the fingertips of the hand can rest thereon so that the magnetic sheet 1 can be easily replaced. When it becomes necessary to replace the magnetic sheet 1, the magnetic sheet 1 can be easily replaced by utilizing the step h formed in the annular elastic body 10 and detaching the annular elastic body 10 with a fingertip or the like.
考案の効果
以上説明したように本考案の円盤状記録媒体は
構成したので、信頼性高く、容易に磁気シートを
継続的に且つ弾性的に挾持することが出来、合せ
て磁気シートの脱着交換がワンタツチで行なえ組
立工数の削減が図れるもので量産効果大なるもの
がある。Effects of the invention Since the disc-shaped recording medium of the invention is constructed as explained above, it is highly reliable and can easily hold the magnetic sheet continuously and elastically, and the magnetic sheet can be attached and replaced easily. There are things that can be done with one touch, reduce assembly man-hours, and have a great effect on mass production.
第１図は従来例に於ける磁気シートの係合部構
造を示す要部説明図、第２図は本考案の一実施例
を示す要部説明図である。
１……磁気シート、２……係合孔、４……押圧
片、６……コア本体、１０……環状弾性体。
FIG. 1 is an explanatory diagram of a main part showing the structure of an engaging part of a magnetic sheet in a conventional example, and FIG. 2 is an explanatory diagram of a main part showing an embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Magnetic sheet, 2... Engagement hole, 4... Pressing piece, 6... Core body, 10... Annular elastic body.
Claims (1)
合孔と、この係合孔に挿入された前記スピンドル
を前記係合孔の側面に弾性的に圧接する押圧片
と、前記磁気シートを受け留めるための平滑部を
有するコア本体と、このコア本体に組合わせる環
状弾性体とより構成され、前記コア本体の側周面
に凹部を設け、この凹部に前記環状弾性体を脱着
可能に嵌着してこの環状弾性体と前記平滑部との
間に磁気シートを圧締挾持したことを特徴とする
円盤状記録媒体。 an engagement hole provided on the apparatus side into which a spindle is inserted; a pressing piece for elastically pressing the spindle inserted into the engagement hole against a side surface of the engagement hole; and a press piece for receiving the magnetic sheet. The core body is composed of a core body having a smooth portion and an annular elastic body combined with the core body, a recess is provided in the side peripheral surface of the core body, and the annular elastic body is removably fitted into the recess. A disk-shaped recording medium characterized in that a magnetic sheet is clamped between the annular elastic body and the smooth portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8951083U JPS59194124U (en) | 1983-06-10 | 1983-06-10 | disk-shaped recording medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8951083U JPS59194124U (en) | 1983-06-10 | 1983-06-10 | disk-shaped recording medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59194124U JPS59194124U (en) | 1984-12-24 |
| JPH0216454Y2 true JPH0216454Y2 (en) | 1990-05-07 |
Family
ID=30219411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8951083U Granted JPS59194124U (en) | 1983-06-10 | 1983-06-10 | disk-shaped recording medium |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59194124U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5436706A (en) * | 1977-08-26 | 1979-03-17 | Nec Corp | Flexible disc cartridge |
| JPS5835772A (en) * | 1981-08-23 | 1983-03-02 | Sony Corp | Magnetic sheet jacket |
-
1983
- 1983-06-10 JP JP8951083U patent/JPS59194124U/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5436706A (en) * | 1977-08-26 | 1979-03-17 | Nec Corp | Flexible disc cartridge |
| JPS5835772A (en) * | 1981-08-23 | 1983-03-02 | Sony Corp | Magnetic sheet jacket |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59194124U (en) | 1984-12-24 |
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