JP2880869B2 - Mobile unit connection device - Google Patents
Mobile unit connection deviceInfo
- Publication number
- JP2880869B2 JP2880869B2 JP5025178A JP2517893A JP2880869B2 JP 2880869 B2 JP2880869 B2 JP 2880869B2 JP 5025178 A JP5025178 A JP 5025178A JP 2517893 A JP2517893 A JP 2517893A JP 2880869 B2 JP2880869 B2 JP 2880869B2
- Authority
- JP
- Japan
- Prior art keywords
- moving body
- wiring board
- flexible wiring
- pickup
- pressing piece
- 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 - Fee Related
Links
Landscapes
- Moving Of Heads (AREA)
- Optical Head (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は主にディスク面に沿って
移動し該ディスクに記録されている情報を読み取る光ピ
ックアップ、磁気ヘッド等の移動体に係り、特にその移
動体側とこれを移動自在に支持する支持側とをフレキシ
ブル配線板により電気的に接続する接続装置に関するも
のである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a moving body such as an optical pickup or a magnetic head which moves mainly along a disk surface and reads information recorded on the disk. The present invention relates to a connection device for electrically connecting a supporting side, which is supported by a flexible wiring board, to a supporting side.
【０００２】[0002]
【従来の技術】従来、この種の移動体の接続装置として
は例えば、光ピックアップの接続装置があり、その接続
装置は、図４に示すように、ピックアップ本体１を支持
側である機器本体側にディスク２面に沿ってその半径方
向に移動自在となるようにガイド等を用いて支持し、ピ
ックアップ本体１側と機器本体側の回路基板３のコネク
タ４間を中間部を自由状態で湾曲させたフレキシブル配
線板５により電気的に接続し、このフレキシブル配線板
５のピックアップ本体１側の端部は押さえ板６によりピ
ックアップ本体１の上面に添って配線すると共に、該押
さえ板６よりピックアップ本体１側方に真っすぐ延びる
押さえ片７によりフレキシブル配線板５の湾曲部位のデ
ィスク２面方向への膨らみを抑制していた。2. Description of the Related Art Conventionally, as a connecting device of this type of moving body, there is, for example, a connecting device of an optical pickup, and the connecting device is, as shown in FIG. A guide or the like is used so as to be movable in the radial direction along the surface of the disk 2, and the intermediate portion between the pickup body 1 and the connector 4 of the circuit board 3 on the device body is bent in a free state. The flexible wiring board 5 is electrically connected, and the end of the flexible wiring board 5 on the side of the pickup body 1 is wired along the upper surface of the pickup body 1 by a holding plate 6, and the pickup body 1 is connected to the holding body 1 by the holding plate 6. The bulging of the curved portion of the flexible wiring board 5 in the direction of the disk 2 is suppressed by the pressing piece 7 extending straight to the side.
【０００３】[0003]
【発明が解決しようとする課題】ところで、図４の記載
から明らかなように、ピックアップ本体１がディスク２
の半径方向（矢印Ｘ方向）に往復移動するに伴ってフレ
キシブル配線板５の湾曲部分の膨らみは大きく変化し、
その膨らみによってディスク２とフレキシブル配線板５
が接触するという致命的な問題を招きかねないものであ
った。By the way, as is apparent from the description of FIG.
The bulge of the curved portion of the flexible wiring board 5 greatly changes with the reciprocation in the radial direction (the direction of the arrow X),
Due to the bulge, the disk 2 and the flexible wiring board 5
Could cause a fatal problem of contact.
【０００４】しかるに、従来の接続装置では、押さえ板
６の一部をピックアップ本体１の側方より真っすぐ突出
させて押さえ片７を形成し、この押さえ片７によりフレ
キシブル配線板５のディスク２面方向への膨らみを極力
抑制するよう構成していたが、フレキシブル配線板５の
ディスク２面方向への膨らみを抑え切れず、最大で寸法
Ｂ分だけピックアップ本体１の上面よりはみ出し、その
結果、製品の設計にあたって、回路基板３からピックア
ップ本体１の上面までの寸法Ａに加えて、寸法Ｂをも考
慮しなければならず、製品そのものの薄型化に対し大き
な障害となっていた。又、押さえ片７を寸法的に長くす
れば、フレキシブル配線板５の湾曲部分のディスク２面
方向への膨らみを確実に止めることが可能となるが、押
さえ板６の材質あるいはピックアップ本体１の移動に伴
う押さえ片７のスペース確保等の面から寸法的に制限を
受けるものであった。However, in the conventional connection device, a part of the holding plate 6 is made to protrude straight from the side of the pickup body 1 to form a holding piece 7, and the holding piece 7 is used in the direction of the disk 2 surface of the flexible wiring board 5. However, the flexible wiring board 5 cannot be prevented from bulging in the direction of the disk 2 and cannot protrude from the upper surface of the pickup body 1 by a maximum of dimension B. In designing, in addition to the dimension A from the circuit board 3 to the upper surface of the pickup body 1, the dimension B must be taken into consideration, which has been a major obstacle to the reduction in thickness of the product itself. In addition, if the pressing piece 7 is dimensionally lengthened, it is possible to reliably stop the bulging of the curved portion of the flexible wiring board 5 in the direction of the disk 2, but the material of the pressing plate 6 or the movement of the pickup body 1 Dimensions are limited from the aspect of securing the space of the holding piece 7 accompanying the above.
【０００５】さらに、従来の接続装置では、押さえ片７
の先端エッジがフレキシブル配線板５に接触することに
なるため、フレキシブル配線板５を傷付け絶縁を損なう
虞れをも有するものであった。Further, in the conventional connection device, the holding piece 7
Since the leading edge contacts the flexible wiring board 5, the flexible wiring board 5 may be damaged and insulation may be impaired.
【０００６】[0006]
【課題を解決するための手段】本発明は上記課題の解決
を目的としてなされたものであり、請求項１記載の移動
体の接続装置では、移動体とこれと対向位置関係にある
物体面に沿って移動自在に支持し、この移動体を支持す
る支持側と移動体側とを、中間部を自由状態で湾曲させ
たフレキシブル配線板により電気的に接続し、上記移動
体側に上記フレキシブル配線板の湾曲部位の上記物体面
方向への膨らみを抑制する押さえ片を設けたものにおい
て、上記押さえ片を、上記フレキシブル配線板を上記移
動体の上面に保持する押さえ板と一体に設けると共に、
上記物体面と反対方向に傾斜させて上記移動体より側方
に突出させたものである。SUMMARY OF THE INVENTION The present invention has been made for the purpose of solving the above-mentioned problems, and in the connecting device for a moving body according to the first aspect, the moving body and the object surface in a facing positional relationship with the moving body are provided. A movable side is supported along the movable body, and the supporting side supporting the movable body and the movable body side are electrically connected by a flexible wiring board having an intermediate portion curved in a free state, and the flexible wiring board is connected to the movable body side. In a device provided with a pressing piece for suppressing the bulging of a curved portion in the direction of the object plane, the pressing piece is transferred to the flexible wiring board by the transfer.
Along with the holding plate that is held on the upper surface of the moving body,
The movable body is inclined in a direction opposite to the object plane and protrudes laterally from the moving body.
【０００７】又、請求項２記載の移動体の接続装置で
は、上記押さえ片の先端を、その先端が上記移動体の上
面上に突出しない程度に、上記物体面方向に折り返した
ものである。[0007] In the connecting device for a moving body according to the second aspect, the tip of the pressing piece is placed above the moving body.
It is folded back in the object plane direction so as not to protrude on the surface .
【０００８】[0008]
【作用】上記請求項１記載の構成によれば、移動体の移
動に伴うフレキシブル配線板の湾曲部分の物体面方向へ
の膨らみを押さえ片の傾斜を利用して効果的に抑制で
き、膨らみを従来よりも小さくできることになり、製品
の薄型化に寄与できることになる。又、フレキシブル配
線板を移動体の上面に保持する押さえ板を延設して押さ
え片を形成しているため、移動体の薄型化をも図ること
ができ、製品の薄型化に寄与できることになる。さら
に、請求項２記載の構成によれば、押さえ片とフレキシ
ブル配線板との接触は曲面で行われることになり、従っ
て、フレキシブル配線板を傷付け絶縁を損なう虞れもな
くなる。又、押さえ片を物体面と反対方向に傾斜させて
その先端を物体面方向に折り返しているため、その先端
が移動体の上面上に突出して薄型化に対して障害となる
こともない。According to the configuration of the first aspect, the bulging of the curved portion of the flexible wiring board in the direction of the object plane due to the movement of the moving body can be effectively suppressed by utilizing the inclination of the holding piece, and the bulging can be suppressed. As a result, the size can be made smaller than before, which can contribute to a reduction in the thickness of the product. Also, flexible distribution
The holding plate that holds the wire plate on the upper surface of the moving body is extended and pressed.
The moving body is made thinner because of the formation of the strip
This can contribute to thinning of the product. Further, according to the configuration of the second aspect, the contact between the pressing piece and the flexible wiring board is performed on a curved surface, and therefore, there is no fear that the flexible wiring board is damaged and insulation is impaired. Further, since the holding piece is tilted in the direction opposite to the object plane and its tip is turned back in the direction of the object plane, the tip does not protrude above the upper surface of the moving body and does not hinder the thickness reduction.
【０００９】[0009]
【実施例】以下図１乃至図３に示した本発明の実施例に
ついて詳細に説明する。図１は本発明の一実施例におけ
る光ピックアップの接続装置を示す断面説明図、図２は
同光ピックアップの主要部を示す分解斜視図である。
尚、図１及び図２において、図４と共通する部分には共
通の符号を付してある。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The embodiments of the present invention shown in FIGS. 1 to 3 will be described below in detail. FIG. 1 is an explanatory sectional view showing a connection device for an optical pickup according to an embodiment of the present invention, and FIG. 2 is an exploded perspective view showing a main part of the optical pickup.
In FIGS. 1 and 2, parts common to those in FIG. 4 are denoted by common reference numerals.
【００１０】本実施例において、移動体であるピックア
ップ本体１は、半導体レーザの如き光源８を備えると共
に光学系部品９〜１１を内蔵する。フレキシブル配線板
５は、受光部１２を装着し、該受光部１２とともに光源
８を機器本体側（支持側）に電気的に接続するためのも
のであり、コネクタ挿入用端子部１３を回路基板３のコ
ネクタ４に挿入接続する。而して、このフレキシブル配
線板５は、光源８に接続しかつ受光部１２をピックアッ
プ本体１の所定位置に配置した状態でピックアップ本体
１の上面に添って配設され、押さえ板６により保持され
るものである。尚、ピックアップ本体１には、上記部品
以外にも、対物レンズやそのアクチュエータ、その他光
学系部品が装備されるものであるが、本発明の要旨に直
接関係がないため、図面上では省略してある。In this embodiment, a pickup body 1 as a moving body includes a light source 8 such as a semiconductor laser, and incorporates optical system components 9 to 11. The flexible wiring board 5 is for mounting the light receiving unit 12 and electrically connecting the light source 8 with the light receiving unit 12 to the apparatus main body side (support side). And insert it into the connector 4. Thus, the flexible wiring board 5 is arranged along the upper surface of the pickup main body 1 in a state where the flexible wiring board 5 is connected to the light source 8 and the light receiving section 12 is arranged at a predetermined position of the pickup main body 1, and is held by the holding plate 6. Things. The pickup body 1 is equipped with an objective lens, its actuator, and other optical system components in addition to the above-mentioned components, but is omitted in the drawings because it has no direct relation to the gist of the present invention. is there.
【００１１】上記押さえ板６は、複数の弾性脚１４を有
し、この各弾性脚１４をピックアップ本体１の係合凹部
１５にそれぞれ弾性的に凹凸係合させることにより取り
付けられ、フレキシブル配線板５をピックアップ本体１
の上面に添わせた状態に保持する。又、この押さえ板６
は、ピックアップ本体１の側面１ａより外方に張り出す
適度の弾性をもった押さえ片１６を形成しており、この
押さえ片１６は、その中間点１６ａより先端側を下方即
ちディスク（物体）２面と反対方向に傾斜させ、さらに
その先端をディスク２面方向に折り返し、その折り返し
部１６ｂの先端は押さえ板６と面一もしくはそれよりも
下方位置に止どめている。The pressing plate 6 has a plurality of elastic legs 14, and each of the elastic legs 14 is attached to each of the engaging recesses 15 of the pickup body 1 by elastically engaging the concave and convex portions. The pickup body 1
Is held on the upper surface of the. Also, this holding plate 6
Form a pressing piece 16 having an appropriate elasticity that projects outward from the side surface 1a of the pickup body 1, and the pressing piece 16 has a tip side lower than its intermediate point 16a, that is, a disc (object) 2. It is inclined in the direction opposite to the surface, and its tip is folded back in the direction of the disk 2, and the tip of the folded portion 16b is kept flush with the holding plate 6 or at a position lower than that.
【００１２】上記の構成において、ピックアップ本体１
の移動に伴ってフレキシブル配線板５の湾曲部分の膨ら
みは変化するものの、そのディスク２方向への膨らみ
は、図１から明らかなように、下方に傾斜する押さえ片
１６の先端部分で小さく抑制され、ピックアップ本体１
の上面上への突出を避けることが可能となり、従来にお
ける寸法Ｂ分、製品の薄型化を図れることになる。In the above configuration, the pickup body 1
Although the swelling of the curved portion of the flexible wiring board 5 changes with the movement, the swelling of the flexible wiring board 5 in the direction of the disk 2 is suppressed to a small extent at the tip of the holding piece 16 inclined downward, as is apparent from FIG. , Pickup body 1
Can be prevented from protruding above the upper surface, and the product can be made thinner by the dimension B in the related art.
【００１３】又、押さえ片１６は折り返し部１６ｂの形
成によってフレキシブル配線板５と曲面で接触すること
になり、フレキシブル配線板５を傷付ける虞れがなく絶
縁を損なうという重大な事態を回避することができる。
しかも、押さえ片１６は下方に傾斜した先端を折り返し
ているため、その折り返し部１６ｂがピックアップ本体
１の上面上に突出することがなく、上記製品の薄型化に
対し障害となることはない。Further, the pressing piece 16 comes into contact with the flexible wiring board 5 on a curved surface due to the formation of the folded portion 16b, so that there is no fear of damaging the flexible wiring board 5 and it is possible to avoid a serious situation in which insulation is damaged. it can.
In addition, since the holding piece 16 has its tip inclined downward, the folded portion 16b does not protrude above the upper surface of the pickup body 1, so that there is no obstacle to a reduction in the thickness of the product.
【００１４】図３は本発明の他実施例における光ピック
アップの接続装置を示す断面図であり、押さえ片１６に
折り返し部を設けず、その先端をフレキシブル配線板５
に接触させるようにしたものである。而して、この実施
例によれば、先の実施例と同様に、フレキシブル配線板
５の湾曲部分のディスク２方向への膨らみを効果的に抑
制して、製品の薄型化を図ることができる。但し、この
実施例の場合には、フレキシブル配線板５の保護の面か
ら、押さえ片１６の先端に丸みを持たせる等の手段を講
じることが望ましい。FIG. 3 is a sectional view showing a connection device for an optical pickup according to another embodiment of the present invention.
Is to be contacted. Thus, according to this embodiment, similarly to the previous embodiment, it is possible to effectively suppress the bulging of the curved portion of the flexible wiring board 5 in the direction of the disk 2 and to reduce the thickness of the product. . However, in the case of this embodiment, it is desirable to take measures such as rounding the tip of the holding piece 16 from the viewpoint of protecting the flexible wiring board 5.
【００１５】尚、上記実施例では、光ピックアップを例
に挙げて本発明を説明したが、本発明は、磁気ディスク
装置における磁気ヘッド等にも実施可能であり、又移動
体をケーシングの内面に沿って移動させ、該移動により
フレキシブル配線板がケーシング内面に接触させないよ
うにする必要のある機器等においても適用可能である。
その他、本発明は上記しかつ図面に示す実施例のみに限
定されるものではなく、その要旨を逸脱しない範囲内で
適宜変形して実施することができる。In the above embodiment, the present invention has been described by taking an optical pickup as an example. However, the present invention can be applied to a magnetic head or the like in a magnetic disk drive. The present invention can also be applied to an apparatus or the like that needs to be moved along such that the flexible wiring board does not contact the inner surface of the casing due to the movement.
In addition, the present invention is not limited to the embodiment described above and shown in the drawings, and can be appropriately modified and implemented without departing from the gist thereof.
【００１６】[0016]
【発明の効果】以上のように本発明によれば、移動体に
設けた押さえ片の簡単な形状変更によってフレキシブル
配線板の湾曲部分における膨らみを効果的に抑制でき、
移動体と対向位置関係にある物体方向への突出を防止す
ることができ、その突出寸法分を考慮する必要のある従
来に比較して製品の薄型化を図ることができる。しか
も、フレキシブル配線板を移動体の上面に保持する押さ
え板を延設して押さえ片を形成しているため、移動体の
薄型化をも図ることができ、製品の薄型化をより一層図
ることができる。又、押さえ片を物体面と反対方向に傾
斜させてからその先端を折り返したことにより、製品の
薄型化に対して障害となることなく、フレキシブル配線
板を傷付けてその絶縁を損なう虞れをなくすことがで
き、フレキシブル配線板の保護という面からも優れたも
のを提供することができる。As described above, according to the present invention, the swelling at the curved portion of the flexible wiring board can be effectively suppressed by simply changing the shape of the holding piece provided on the moving body.
The protrusion in the direction of the object facing the moving body can be prevented, and the product can be made thinner as compared with the related art in which it is necessary to consider the protrusion dimension. Only
Pressing the flexible wiring board on the top of the moving body
Since the holding plate is formed by extending the holding plate,
The product can also be made thinner, further reducing the product thickness.
Can be Also, tilt the holding piece in the direction opposite to the object plane.
By folded tip of Karaso by obliquely, the product
It is possible to eliminate the risk of damaging the flexible wiring board and damaging its insulation without obstructing the thinning.
In addition , it is possible to provide a flexible wiring board that is excellent in terms of protection.
【図１】本発明の一実施例における光ピックアップの接
続装置を示す断面図FIG. 1 is a sectional view showing an optical pickup connecting device according to an embodiment of the present invention.
【図２】同光ピックアップの主要部分を示す分解斜視図FIG. 2 is an exploded perspective view showing a main part of the optical pickup.
【図３】本発明の他実施例における光ピックアップの接
続装置を示す断面図FIG. 3 is a sectional view showing a connection device of an optical pickup according to another embodiment of the present invention.
【図４】従来における光ピックアップの接続装置を示す
断面図FIG. 4 is a sectional view showing a conventional optical pickup connection device.
１ ピックアップ本体（移動体） ２ ディスク（物体） ３ 回路基板（支持側） ４ コネクタ ５ フレキシブル配線板 ６ 押さえ板 １３ コネクタ挿入用端子 １６ 押さえ片 １６ｂ 折り返し部 DESCRIPTION OF SYMBOLS 1 Pickup main body (moving body) 2 Disk (object) 3 Circuit board (support side) 4 Connector 5 Flexible wiring board 6 Pressing plate 13 Connector insertion terminal 16 Pressing piece 16b Folding part
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.6，ＤＢ名) G11B 21/02 - 33/12 ──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. 6 , DB name) G11B 21/02-33/12
Claims (2)
面に沿って移動自在に支持し、この移動体を支持する支
持側と移動体側とを、中間部を自由状態で湾曲させたフ
レキシブル配線板により電気的に接続し、上記移動体側
に上記フレキシブル配線板の湾曲部位の上記物体面方向
への膨らみを抑制する押さえ片を設けたものにおいて、 上記押さえ片を、上記フレキシブル配線板を上記移動体
の上面に保持する押さえ板と一体に設けると共に、上記
物体面と反対方向に傾斜させて上記移動体より側方に突
出させたことを特徴とする移動体の接続装置。1. A flexible member which is movably supported along a moving body and an object surface facing the moving body, and wherein a supporting side for supporting the moving body and the moving body are curved at an intermediate portion in a free state. In a device which is electrically connected by a wiring board and provided on the movable body side a pressing piece for suppressing bulging of the curved portion of the flexible wiring board in the object plane direction, the pressing piece is formed of the flexible wiring board. Moving body
A connecting plate for a moving body, wherein the connecting means is provided integrally with a presser plate held on an upper surface of the moving body, and is inclined in a direction opposite to the object plane to project laterally from the moving body.
移動体の上面上に突出しない程度に、上記物体面方向に
折り返したことを特徴とする請求項１記載の移動体の接
続装置。2. A tip of the pressing piece, the tip of which is
2. The connecting device for a moving body according to claim 1, wherein the connecting member is folded back in the object plane direction so as not to protrude above the upper surface of the moving body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5025178A JP2880869B2 (en) | 1993-02-15 | 1993-02-15 | Mobile unit connection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5025178A JP2880869B2 (en) | 1993-02-15 | 1993-02-15 | Mobile unit connection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06243601A JPH06243601A (en) | 1994-09-02 |
| JP2880869B2 true JP2880869B2 (en) | 1999-04-12 |
Family
ID=12158758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5025178A Expired - Fee Related JP2880869B2 (en) | 1993-02-15 | 1993-02-15 | Mobile unit connection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2880869B2 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000266977A (en) * | 1999-03-12 | 2000-09-29 | Yamaha Corp | Optical device |
| TWI238363B (en) * | 2004-06-28 | 2005-08-21 | Benq Corp | Flexible flat circuit structure for disc drive |
| JP2008305454A (en) * | 2007-06-05 | 2008-12-18 | Toshiba Corp | Head actuator assembly, disk device provided with the same, and manufacturing method of head actuator assembly |
| JP2009141241A (en) | 2007-12-10 | 2009-06-25 | Funai Electric Co Ltd | Arrangement structure for flexible flat cable |
| JP4508250B2 (en) * | 2008-03-11 | 2010-07-21 | 船井電機株式会社 | Disk unit |
| JP5041162B2 (en) * | 2008-04-30 | 2012-10-03 | ティアック株式会社 | Disk drive |
-
1993
- 1993-02-15 JP JP5025178A patent/JP2880869B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06243601A (en) | 1994-09-02 |
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