JPS62150726U - - Google Patents

Description

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

第１図は本考案に係るデイスクプレーヤの光学
ヘツド装置の一例における要部の構成の説明に供
される分解斜視図、第２図は第１図に示される要
部の斜視図、第３図は本考案に係るデイスクプレ
ーヤの光学ヘツド装置の一例を簡略化して示す構
成図、第４図は第３図に示される例の外観斜視図
、第５図Ａは第１図に示される要部の平面図、第
５図Ｂは第５図ＡにおけるＢ―Ｂ線に沿う断面図
、第６図は従来のデイスクプレーヤの光学ヘツド
装置の一例を簡略化して示す構成図、第７図は第
６図に示される従来例における要部の斜視図であ
る。 図中、６は対物レンズ、１１はフオーカス制御
用駆動部、１２はトラツキング制御用駆動部、１
４は光ビーム発生・検出ユニツト、２０は二軸駆
動ユニツト、２２はベース、２４は磁気ヨーク部
材、２８ａ及び２８ｂは折曲立設片、３０は磁石
、３８は可動部材、４６ａはヒンジ部、４８はボ
ビン部材、５４はフオーカス制御コイル、５５は
トラツキング制御コイル、５８はフレキシブル接
続基板である。 FIG. 1 is an exploded perspective view for explaining the configuration of the main parts of an example of the optical head device for a disk player according to the present invention, FIG. 2 is a perspective view of the main parts shown in FIG. 1, and FIG. 3 is a perspective view of the main parts shown in FIG. 4 is a simplified configuration diagram showing an example of an optical head device for a disk player according to the present invention, FIG. 4 is an external perspective view of the example shown in FIG. 3, and FIG. 5A is a main part shown in FIG. 1. FIG. 5B is a sectional view taken along the line BB in FIG. FIG. 7 is a perspective view of main parts in the conventional example shown in FIG. 6; In the figure, 6 is an objective lens, 11 is a focus control drive unit, 12 is a tracking control drive unit, 1
4 is a light beam generation/detection unit, 20 is a biaxial drive unit, 22 is a base, 24 is a magnetic yoke member, 28a and 28b are bent pieces, 30 is a magnet, 38 is a movable member, 46a is a hinge part, 48 is a bobbin member, 54 is a focus control coil, 55 is a tracking control coil, and 58 is a flexible connection board.

Claims (1)

【実用新案登録請求の範囲】 対物レンズを保持するとともにフオーカス制御
コイル及びトラツキング制御コイルが取り付けら
れ、上記対物レンズをその光軸に沿う第１の方向
及び該第１の方向に直交する第２の方向に変位さ
せるべく揺動し得るものとされたレンズ保持部材
と、 該レンズ保持部材を支持する支持部材と、 上記レンズ保持部材の第１の方向に揺動する面
に沿う平面部を有し、該平面部において上記フオ
ーカス制御コイル及びトラツキング制御コイルの
夫々の引出端部に接続され、上記レンズ保持部材
の上記第２の方向における揺動に関しての揺動中
心位置の近傍において該レンズ保持部材に対する
固定部が形成され、一端部が上記レンズ保持部材
の上記支持部材による支持位置側に導出された可
撓性導電接続基板と、 を備えて構成されたデイスクプレーヤの光学ヘツ
ド装置。[Claims for Utility Model Registration] An objective lens is held and a focus control coil and a tracking control coil are attached, and the objective lens is moved in a first direction along its optical axis and in a second direction orthogonal to the first direction. a lens holding member that is capable of swinging to be displaced in the first direction; a support member that supports the lens holding member; and a flat portion that extends along a surface of the lens holding member that swings in the first direction. , is connected to the respective lead-out ends of the focus control coil and the tracking control coil at the plane part, and is connected to the lens holding member in the vicinity of the swing center position with respect to the swinging of the lens holding member in the second direction. An optical head device for a disk player, comprising: a flexible conductive connection board on which a fixing part is formed and one end of which is led out to a side of the lens holding member where it is supported by the support member.