JP3465919B2 - Disc playback device - Google Patents
Disc playback deviceInfo
- Publication number
- JP3465919B2 JP3465919B2 JP09017393A JP9017393A JP3465919B2 JP 3465919 B2 JP3465919 B2 JP 3465919B2 JP 09017393 A JP09017393 A JP 09017393A JP 9017393 A JP9017393 A JP 9017393A JP 3465919 B2 JP3465919 B2 JP 3465919B2
- Authority
- JP
- Japan
- Prior art keywords
- housing
- disk
- mounting table
- disk mounting
- lock
- 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
- Feeding And Guiding Record Carriers (AREA)
Description
【発明の詳細な説明】
【０００１】
【産業上の利用分野】本発明は、ディスク再生装置に関
する。
【０００２】
【従来の技術】近年、ＣＤ−ＲＯＭドライブ等、光ディ
スクを記録媒体とするディスク再生装置の小形、軽量化
が進み、コンピュータに内蔵されるタイプのディスク再
生装置の開発も盛んに行われている。この種のディスク
再生装置として、最近、ディスク駆動系や光ピックアッ
プ等をディスク搭載テーブルに一体収容し、このディス
ク搭載テーブルを筐体に対して出し入れ可能としたもの
がある。またこれに加え、装置の薄形化のため、光ディ
スクをターンテーブルとの間で固定するためのクランパ
を排除したものもある。
【０００３】ところで、このようなディスク再生装置で
は、ディスク搭載テーブルと筐体とのアース接続をとる
ことが不可欠となっている。従来、このアース接続は、
金属性の板ばね部材をディスク搭載テーブルに固定し、
ディスク搭載テーブルの移動に伴ってこれを筐体の内壁
面に摺接させることによってとっていた。
【０００４】また、このようなディスク再生装置では、
筐体より排出させたディスク搭載テーブルを所定の位置
でロックするための機構を設けることも要求される。
【０００５】
【発明が解決しようとする課題】しかしながら、これら
アース接続機構およびロック機構は、共にディスク搭載
テーブルと筐体との摺接対向面に設けなければならない
都合上、互いにこれらの機構を設ける位置に制約が生
じ、装置の拡大につながる恐れがある。
【０００６】本発明はこのような課題を解決すべくなさ
れたもので、アース接続機構とロック機構を共通の部品
を併用して実現し、装置の小形・軽量化に寄与すること
のできる電子機器の提供を目的としている。
【０００７】
【課題を解決するための手段】本発明のディスク再生装
置は、上記した目的を達成するために、金属製の第１筐
体と、ディスクを駆動し再生するメカが搭載され、前記
第１筐体に対して出し入れ自在な金属製の第２筐体と、
前記第２筐体に設けられ、前記第１筐体に対する前記第
２筐体の出し入れの過程において前記第１筐体の内壁面
に先端が弾性的に当接される係合突起部を有する金属性
の弾性部材と、前記第１筐体に設けられ、前記第２筐体
が前記第１筐体から所定位置まで排出されたときに前記
弾性部材の前記係合突起部の前記先端を挿入する係止穴
を有し、この係止穴を通じて、前記弾性部材の前記係合
突起部の前記先端を前記第１筐体の内壁面に接触させて
前記第１筐体と前記第２筐体とをアース接続するととも
に前記第２筐体の排出状態をロックするロック部材とを
具備することを特徴とするものである。
【０００８】
【作用】本発明では、第２筐体が第１筐体から所定位置
まで排出されたとき、第１筐体に設けられたロック部材
の係止穴を通じて、第２筐体に設けられた弾性部材の係
合突起部の先端を第１筐体の内壁面に接触させて第１筐
体と第２筐体とをアース接続すると同時に、第２筐体の
排出状態をロックすることができるので、アース接続機
構とロック機構を共通の部品を併用して実現することが
でき、装置の小形・軽量化に寄与することができる。
【０００９】
【実施例】以下、本発明の実施例を図面を用いて説明す
る。
【００１０】図１は本発明に係る一実施例のディスク再
生装置の外観を示す斜視図、図２はこのディスク再生装
置からディスク搭載テーブルを引き出した状態を示す斜
視図、図３はこのディスク再生装置の分解図である。
【００１１】これらの図において、１は筐体、２はディ
スク搭載テーブルを示しており、ディスク搭載テーブル
２は筐体１に対して矢印Ａ、Ａ′方向に出し入れ移動自
在となっている。ディスク搭載テーブル２はその上面に
光ディスク（図示せず）を搭載するための、光ディスク
の外形に沿ったディスク搭載凹部３を有し、またその左
右二箇所にはディスク搭載凹部３への光ディスクの装着
および取り出しの際に指を挿入するための欠込み部４、
４が設けられている。またこのディスク搭載テーブル２
には、ターンテーブル５を含むディスク駆動系、光ピッ
クアップ６、およびこれらの制御のためのプリント基板
７等が内蔵されている。さらに８はディスク搭載テーブ
ル２の正面側に取り付けられた正面パネルである。この
正面パネル８には筐体１からのディスク搭載テーブル２
の排出を指示する信号を入力するためのイジェクトボタ
ン９、および後述するロック解除レバー５０を操作する
際に針金等を外部から挿入するための小穴１０が設けら
れている。
【００１２】一方、筐体１は、図３に示すように、上下
２つの筐体部品１Ａ、１Ｂを組み合わせてなる。筐体１
の両側壁部分にはディスク搭載テーブル２の出し入れ移
動を案内するガイドレール部を有する一対のガイド部材
１１、１１が取り付けられている。各ガイド部材１１、
１１の一端部にはディスク搭載テーブル２を所定の排出
位置で固定するためのロック部材１２、１２がそれぞれ
取り付けられている。さらに筐体１のテーブル排出口の
反対側面には、コンピュータとの接続用コネクタ１３を
搭載したプリント基板１４が固定されている。そしてこ
のプリント基板１４とテーブル側のプリント基板７とは
フレキシブルコード１５を通じて電気的に接続されてい
る。なお、２Ａはディスク搭載テーブル２の裏蓋であ
る。
【００１３】次に本実施例のディスク再生装置における
排出ロック／アース接続機構の構造およびその作用につ
いて説明する。
【００１４】図４および図５はこの排出ロック／アース
接続機構の構造を示す平面図であり、図４は筐体１から
のディスク搭載テーブル２の排出途中の状態、図５は排
出完了時の状態を示している。同図に示すように、排出
ロック／アース接続機構は、ディスク搭載テーブル２の
両側面に固定された金属製の板バネ部材７１、７１と、
筐体１の両内壁面のテーブル挿入排出口近傍に固定され
たロック部材１２、１２とからなる。板バネ部材７１
は、その一端がディスク搭載テーブル２に支持され、他
端部が略ヘ字状に折り曲げられて係合突起部７１ａを形
成してなっている。そしてこの係合突起部７１ａの先端
は、筐体１に対するディスク搭載テーブル２の出し入れ
の過程において、筐体１の内壁面に弾性的に当接される
ようになっている。
【００１５】ここで筐体１、ディスク搭載テーブル２本
体および板バネ部材７１はいずれも金属製からなり、よ
って板バネ部材７１は筐体１とディスク搭載テーブル２
とのアース接続部材としての役割をも担っている。一
方、ロック部材１２は、この板バネ部分７１の係合突起
部７１ａを挿入して係止するための係止穴１２ａを有
し、この係止穴１２ａで係合突起部７１ａを係止するこ
とによって、ディスク搭載テーブル２の排出方向への移
動を規制するものとなっている。この時、板バネ部材７
１の係合突起部７１ａの先端は係止穴１２ａを通じて筐
体１の内壁面とも接触し、これによりテーブル排出完了
状態での筐体１とディスク搭載テーブル２とのアース接
続が確保される。
【００１６】このように本実施例によれば、ディスク搭
載テーブル２側に板バネ部材７１を、筐体１側にロック
部材１２を設けただけの簡単な構造で、ディスク搭載テ
ーブル２の排出ロック機構と、ディスク搭載テーブル２
と筐体１とのアース接続機構とを同時に実現でき、装置
の小形・軽量化に寄与することができる。
【００１７】
【発明の効果】以上説明したように本発明のディスク再
生装置によれば、第２筐体が第１筐体から所定位置まで
排出されたとき、第１筐体に設けられたロック部材の係
止穴を通じて、第２筐体に設けられた弾性部材の係合突
起部の先端を第１筐体の内壁面に接触させて第１筐体と
第２筐体とをアース接続すると同時に、第２筐体の排出
状態をロックすることができるので、アース接続機構と
ロック機構を共通の部品を併用して実現することがで
き、装置の小形・軽量化に寄与することができる。Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is related <br/> to disk playback equipment. 2. Description of the Related Art In recent years, the size and weight of a disk reproducing apparatus using an optical disk as a recording medium, such as a CD-ROM drive, have been reduced, and the type of a disk reproducing apparatus built in a computer has been actively developed. ing. As a disk reproducing apparatus of this type, recently, a disk drive system, an optical pickup, and the like are integrally housed in a disk mounting table, and the disk mounting table can be inserted into and removed from a housing. In addition, in some cases, a clamper for fixing an optical disc to a turntable is eliminated in order to make the apparatus thinner. In such a disk reproducing apparatus, it is indispensable to establish a ground connection between the disk mounting table and the housing. Traditionally, this ground connection
Fix the metal leaf spring member to the disk mounting table,
This is achieved by sliding the disk mounting table in contact with the inner wall surface of the housing as the table moves. In such a disk reproducing apparatus,
It is also required to provide a mechanism for locking the disk mounting table ejected from the housing at a predetermined position. However, the ground connection mechanism and the lock mechanism must be provided on the sliding contact surface between the disk mounting table and the housing, so that these mechanisms are provided to each other. The position may be restricted, leading to an increase in the size of the device. SUMMARY OF THE INVENTION The present invention has been made to solve such a problem, and realizes an electronic apparatus which realizes a ground connection mechanism and a lock mechanism by using common components in combination, thereby contributing to a reduction in size and weight of the apparatus. The purpose is to provide. In order to achieve the above object, a disk reproducing apparatus according to the present invention includes a first metal housing and a mechanism for driving and reproducing a disk. A second metal housing that can be freely inserted into and removed from the first housing;
The first housing is provided in the second housing,
The inner wall surface of the first housing in the process of taking in and out the two housings
A metallic elastic member having an engagement protrusion whose tip is elastically contacted with the first housing; and a second housing provided on the first housing.
Is discharged from the first housing to a predetermined position.
A locking hole for inserting the tip of the engaging projection of the elastic member
And the engagement of the elastic member through the locking hole
A lock member that locks a discharge state of the second housing while grounding the first housing and the second housing by bringing the tip of the protrusion into contact with an inner wall surface of the first housing. It is characterized by having. According to the present invention, when the second housing is discharged from the first housing to a predetermined position, the lock member provided on the first housing is provided.
Of the elastic member provided in the second housing through the locking hole of
Since the first housing and the second housing can be grounded at the same time by contacting the tip of the mating projection to the inner wall surface of the first housing, the discharge state of the second housing can be locked. The mechanism and the lock mechanism can be realized by using common components in combination, which can contribute to a reduction in size and weight of the device. Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view showing an appearance of a disk reproducing apparatus according to an embodiment of the present invention, FIG. 2 is a perspective view showing a state where a disk mounting table is pulled out from the disk reproducing apparatus, and FIG. It is an exploded view of an apparatus. In these figures, reference numeral 1 denotes a housing, and 2 denotes a disk mounting table. The disk mounting table 2 is movable in and out of the housing 1 in the directions of arrows A and A '. The disk mounting table 2 has a disk mounting recess 3 along the outer shape of the optical disk for mounting an optical disk (not shown) on the upper surface thereof, and mounting the optical disk into the disk mounting recess 3 at two places on the left and right sides. And a notch 4 for inserting a finger when taking out,
4 are provided. Also this disk mounting table 2
A disk drive system including a turntable 5, an optical pickup 6, and a printed circuit board 7 for controlling these components are incorporated therein. Reference numeral 8 denotes a front panel mounted on the front side of the disk mounting table 2. The front panel 8 includes a disk mounting table 2 from the housing 1.
An eject button 9 for inputting a signal for instructing the discharge of the paper, and a small hole 10 for inserting a wire or the like from the outside when operating a lock release lever 50 described later are provided. On the other hand, as shown in FIG. 3, the housing 1 is formed by combining upper and lower two housing components 1A and 1B. Case 1
A pair of guide members 11 having guide rails for guiding the loading / unloading movement of the disk mounting table 2 is attached to both side wall portions of the disk drive table 2. Each guide member 11,
Lock members 12 and 12 for fixing the disk mounting table 2 at a predetermined discharge position are attached to one end of the reference numeral 11, respectively. Further, a printed circuit board 14 on which a connector 13 for connection to a computer is mounted is fixed to the opposite side of the table 1 from the table outlet. The printed board 14 and the printed board 7 on the table side are electrically connected through a flexible cord 15. 2A is a back cover of the disk mounting table 2. Next, the structure and operation of the discharge lock / ground connection mechanism in the disk reproducing apparatus of this embodiment will be described. FIGS. 4 and 5 are plan views showing the structure of the discharge lock / ground connection mechanism. FIG. 4 shows a state where the disk mounting table 2 is being discharged from the housing 1 and FIG. The state is shown. As shown in the figure, the ejection lock / ground connection mechanism includes metal leaf spring members 71 fixed to both side surfaces of the disk mounting table 2,
Lock members 12, 12 are fixed on both inner wall surfaces of the housing 1 near the table insertion / ejection port. Leaf spring member 71
Has one end supported by the disk mounting table 2 and the other end bent into a substantially rectangular shape to form an engagement projection 71a. The distal end of the engaging projection 71 a is elastically brought into contact with the inner wall surface of the housing 1 in the process of putting the disk mounting table 2 into and out of the housing 1. Here, the housing 1, the disk mounting table 2 main body and the leaf spring member 71 are all made of metal.
It also plays a role as a ground connection member for the. On the other hand, the lock member 12 has a locking hole 12a for inserting and locking the engaging protrusion 71a of the leaf spring portion 71, and locks the engaging protrusion 71a with the locking hole 12a. This restricts the movement of the disk mounting table 2 in the ejection direction. At this time, the leaf spring member 7
The tip end of the first engaging projection 71a also comes into contact with the inner wall surface of the housing 1 through the locking hole 12a, thereby securing the ground connection between the housing 1 and the disk mounting table 2 in the table ejection completed state. As described above, according to the present embodiment, the discharge lock of the disk mounting table 2 is simple with the leaf spring member 71 provided on the disk mounting table 2 side and the lock member 12 provided on the housing 1 side. Mechanism and disk mounting table 2
And a ground connection mechanism for the housing 1 can be realized at the same time, which can contribute to a reduction in size and weight of the device. As described above, according to the disk reproducing apparatus of the present invention, when the second housing is ejected from the first housing to a predetermined position, the lock provided on the first housing is provided. Member relations
The engagement protrusion of the elastic member provided in the second housing is formed through the stop hole.
Since the first housing and the second housing can be grounded by bringing the tip of the raised portion into contact with the inner wall surface of the first housing and the discharge state of the second housing can be locked at the same time, the ground connection mechanism is provided. The lock mechanism and the lock mechanism can be realized by using common components in combination, which can contribute to a reduction in size and weight of the device.
【図面の簡単な説明】
【図１】本発明に係る一実施例のディスク再生装置の外
観を示す斜視図である。
【図２】ディスク再生装置からディスク搭載テーブルを
引き出した状態を示す斜視図である。
【図３】ディスク再生装置の分解射視図である。
【図４】筐体からのディスク搭載テーブルの排出途中の
状態を示す平面図である。
【図５】筐体からのディスク搭載テーブルの排出完了時
の状態を示す平面図である。
【符号の説明】
１…筐体、２…ディスク搭載テーブル、１２…ロック部
材、１２ａ…係止穴、７１…板バネ部材、７１ａ…係合
突起部。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing the appearance of a disk reproducing apparatus according to an embodiment of the present invention. FIG. 2 is a perspective view showing a state where a disk mounting table is pulled out from a disk reproducing device. FIG. 3 is an exploded perspective view of the disc reproducing apparatus. FIG. 4 is a plan view showing a state in which the disk mounting table is being discharged from the housing. FIG. 5 is a plan view showing a state when the ejection of the disk mounting table from the housing is completed. DESCRIPTION OF REFERENCE NUMERALS 1: housing, 2: disk mounting table, 12: locking member, 12 a: locking hole, 71: leaf spring member, 71 a: engaging projection.
Claims (1)
体に対して出し入れ自在な金属製の第２筐体と、前記第２筐体に設けられ、前記第１筐体に対する前記第
２筐体の出し入れの過程において前記第１筐体の内壁面
に先端が弾性的に当接される係合突起部 を有する金属性
の弾性部材と、前記第１筐体に設けられ、前記第２筐体が前記第１筐体
から所定位置まで排出されたときに前記弾性部材の前記
係合突起部の前記先端を挿入する係止穴を有し、この係
止穴を通じて、前記弾性部材の前記係合突起部の前記先
端を前記第１筐体の内壁面に 接触させて前記第１筐体と
前記第２筐体とをアース接続するとともに前記第２筐体
の排出状態をロックするロック部材とを具備することを
特徴とするディスク再生装置。(57) [Claim 1] A metal first housing, and a metal second mechanism which is provided with a mechanism for driving and reproducing a disk and which can be taken in and out of the first housing. A housing, the second housing being provided on the second housing,
The inner wall surface of the first housing in the process of taking in and out the two housings
A metallic elastic member having an engagement protrusion having a tip elastically abutting on the first housing; and a second housing provided on the first housing.
From the elastic member when discharged to a predetermined position.
A locking hole into which the tip of the engagement protrusion is inserted;
Through the blind hole, the tip of the engaging projection of the elastic member
A lock member that locks a discharge state of the second housing while grounding the first housing and the second housing by bringing an end into contact with an inner wall surface of the first housing. Characteristic disk playback device.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP09017393A JP3465919B2 (en) | 1993-04-16 | 1993-04-16 | Disc playback device |
| US08/351,398 US5808996A (en) | 1993-04-16 | 1994-04-18 | Disc reproducing apparatus with a compensating member to properly orient a disc on a disc chuck |
| DE69422469T DE69422469T2 (en) | 1993-04-16 | 1994-04-18 | ELECTRONIC EQUIPMENT AND DISK PLAYER |
| EP94912692A EP0650166B1 (en) | 1993-04-16 | 1994-04-18 | Electronic equipment and disc reproducing device |
| PCT/JP1994/000637 WO1994024671A1 (en) | 1993-04-16 | 1994-04-18 | Electronic equipment and disc reproducing device |
| KR1019940704626A KR950702325A (en) | 1993-04-16 | 1994-12-14 | Electronic devices and disc playback devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP09017393A JP3465919B2 (en) | 1993-04-16 | 1993-04-16 | Disc playback device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06302080A JPH06302080A (en) | 1994-10-28 |
| JP3465919B2 true JP3465919B2 (en) | 2003-11-10 |
Family
ID=13991103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP09017393A Expired - Fee Related JP3465919B2 (en) | 1993-04-16 | 1993-04-16 | Disc playback device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3465919B2 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09231738A (en) * | 1996-02-28 | 1997-09-05 | Sony Corp | Grounding structure for slide tray |
| KR100640578B1 (en) | 2002-06-18 | 2006-10-31 | 삼성전자주식회사 | An optical disk drive providing a function to remove static electricity from the optical disk |
| JP2004295960A (en) | 2003-03-26 | 2004-10-21 | Toshiba Corp | Electronic device |
| KR100532506B1 (en) * | 2004-03-04 | 2005-11-30 | 삼성전자주식회사 | Optical disc drive |
| JP4445969B2 (en) * | 2004-08-23 | 2010-04-07 | パイオニア株式会社 | Earthing device and electrical equipment |
| KR100693433B1 (en) * | 2006-01-09 | 2007-03-12 | 엘지전자 주식회사 | Optical disc drive having a equipment to prevent communication error by electro-static discharge |
| JP2013016225A (en) * | 2011-07-04 | 2013-01-24 | Funai Electric Co Ltd | Optical disk device |
-
1993
- 1993-04-16 JP JP09017393A patent/JP3465919B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06302080A (en) | 1994-10-28 |
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