JPS632115A - Head device - Google Patents
Head deviceInfo
- Publication number
- JPS632115A JPS632115A JP14526586A JP14526586A JPS632115A JP S632115 A JPS632115 A JP S632115A JP 14526586 A JP14526586 A JP 14526586A JP 14526586 A JP14526586 A JP 14526586A JP S632115 A JPS632115 A JP S632115A
- Authority
- JP
- Japan
- Prior art keywords
- adjustment
- head
- adjusting plate
- plate
- carriage
- 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
Links
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Landscapes
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は回転する磁気シートに映像信号等を記録し、再
生する装置のヘッド装置に関する。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a head device for an apparatus for recording and reproducing video signals and the like on a rotating magnetic sheet.
従来の技術
回転する磁気シートに映像信号等を記録し再生する装置
のヘッドは第５図に示すアジマス回転方向（人−人）の
調整が必要であるとともに前記ヘッドが前記磁気シート
の半径方向に移動するキャリッジに保持されて前記ヘッ
ドの磁気シート摺動面の中心が描く直線と前記志気シー
トを保持し回転させるスピンドルモーターの中心とを一
致させる必要がある。ここにずれがあると、第６図の様
に外周で０１、内周でθ２と内周と外周でのアジマス差
が生じてしまうため、第５図Ｂ−Ｂ方向の調整が必要で
ある。BACKGROUND OF THE INVENTION The head of an apparatus for recording and reproducing video signals, etc. on a rotating magnetic sheet requires adjustment in the azimuth rotation direction (person-to-person) as shown in FIG. It is necessary to align the straight line drawn by the center of the sliding surface of the magnetic sheet of the head held by a moving carriage with the center of the spindle motor that holds and rotates the magnetic sheet. If there is a deviation here, there will be an azimuth difference between the inner and outer circumferences, such as 01 on the outer circumference and θ2 on the inner circumference, as shown in FIG. 6, so adjustment in the direction B-B in FIG. 5 is required.
上記の調整機購を有するヘッドの一例を第７図に示す。An example of a head having the above adjustment device is shown in FIG.
−・ラド２Ｑを取り付けだヘッド取り付は板２１とヘッ
ド調整板２２は互いにコの字に曲げられ貫通穴２３がお
いており、それぞれの貫通穴の中心は一致する。ただし
前記ヘッド取り付は板２１の貫通穴の一方２３＆にはネ
ジがきっである。- Attach the RAD 2Q. For head installation, the plate 21 and head adjustment plate 22 are bent into a U-shape and have through holes 23, and the centers of the through holes coincide. However, for mounting the head, one of the through holes 23 & of the plate 21 must be screwed.
この貫通穴に調整支軸２４をねじ込み挿入し、前記調整
支軸２４０貫通穴の中心を結ぶ直線方向の動きを例えば
Ｋ ＋Ｊソング５等で前記ヘッド調整板２２に対して規
制した状態で、前記調整支軸２４を回転させることによ
り、前記ヘッド調整板２２に対して前記ヘッド取り付は
板２１が前記調整支軸２４とねじ部によって係合されて
いるため、前記Ｂ−Ｂ方向の動きが可能となっている。The adjustment support shaft 24 is screwed and inserted into this through hole, and the movement of the adjustment support shaft 240 in the linear direction connecting the centers of the through holes is restricted with respect to the head adjustment plate 22 using, for example, a K+J song 5. By rotating the adjustment support shaft 24, the head mounting plate 21 is engaged with the adjustment support shaft 24 through the screw portion, so that movement in the B-B direction is prevented. It is possible.
又、前記ヘッド調整板２２は長穴２６と前記Ａ−Ａ方向
の調整をおこなう時に回動中心となる調整支軸２７を有
するヘッド調整板２８に取り付けられている。Further, the head adjustment plate 22 is attached to a head adjustment plate 28 having an elongated hole 26 and an adjustment support shaft 27 that is a center of rotation when adjusting in the A-A direction.
前記ヘッド調整板２８は前記磁気シートの半径方向に移
動するキャリッジ２９に取りつけられており、前記調整
支軸２７と前記キャリッジ２９の穴３０は嵌合していて
、前記キャリッジ２９に対して前記ヘッド調整板２８の
長穴２６を偏芯ビンで摺動させた時、前記ヘッド調整板
２８は前記調整支軸２７と前記キャリッジ２９の穴３０
を中心にして回動し、前記人−人方向の動きすなわちア
ジマス回転調整が可能となっている。The head adjustment plate 28 is attached to a carriage 29 that moves in the radial direction of the magnetic sheet, and the adjustment support shaft 27 and the hole 30 of the carriage 29 are fitted, so that the head adjustment plate 28 is attached to a carriage 29 that moves in the radial direction of the magnetic sheet. When the elongated hole 26 of the adjustment plate 28 is slid with an eccentric bottle, the head adjustment plate 28 is aligned with the adjustment support shaft 27 and the hole 30 of the carriage 29.
It rotates around , and the movement in the person-to-person direction, that is, the azimuth rotation can be adjusted.
発明が解決しようとする問題点
しかしながら上記のような構成ではヘッド取り付は板２
１とヘッド調整板２２は調整支軸２４をガイドとしてヘ
ッド調整板２８とキャリッジに対して前記磁気シートの
接線方向に摺動する構造のため、ヘッドの磁気シート摺
動面の中心と、アジマス回転方向調整時の回動中心すな
わち調整支軸２８の中心とが一致しにクク、前記回動中
心がズレると、アジマス調整を行なった時前記磁気シー
トの接線方向のズレが生じ、アジマス回転方向の調整を
おこなった後、更に前記磁気シートの接線方向の調整を
再度行い、さらにもう−度アジマス方向の調整を行うと
いう繰り返しの調整が必要となり、精度の良いアジマス
調整ができなかった。Problems to be Solved by the Invention However, in the above configuration, the head is attached to the plate 2.
1 and the head adjustment plate 22 are structured to slide in the tangential direction of the magnetic sheet with respect to the head adjustment plate 28 and the carriage using the adjustment support shaft 24 as a guide, so that the center of the magnetic sheet sliding surface of the head and the azimuth rotation are If the center of rotation during direction adjustment, that is, the center of the adjustment support shaft 28, is misaligned, a deviation in the tangential direction of the magnetic sheet will occur when the azimuth is adjusted, and the azimuth rotation direction will be shifted. After the adjustment, it is necessary to repeat the adjustment in the tangential direction of the magnetic sheet and then the azimuth direction again, making it impossible to accurately adjust the azimuth.
本発明は上記問題に鑑み、前記磁気シートの接線方向の
調整すなわち前記Ｂ−Ｂ方向の調整を行なった後でも、
ヘッドの磁気シート摺動面の中心とアジマス回転方向調
整時すなわち前記Ａ−Ａ方向の調整時の回動中心がずれ
ることなく上記のような繰り返しの調整を必要とせず簡
単な構造で、しかも精度の良い調整を可能とする調整機
構を有するヘッド装置を提供することを目的とする。In view of the above-mentioned problems, the present invention provides that even after the adjustment in the tangential direction of the magnetic sheet, that is, the adjustment in the B-B direction,
The center of the sliding surface of the magnetic sheet of the head and the center of rotation when adjusting the azimuth rotation direction, that is, when adjusting the A-A direction, do not deviate, and the above-mentioned repeated adjustments are not required.The structure is simple and accurate. An object of the present invention is to provide a head device having an adjustment mechanism that enables good adjustment of the head.
問題点を解決するための手段
本発明は、磁気シートの半径方向に移動するキャリッジ
と、該キャリッジに前記磁気シート回転面と平行に、か
つ磁気シートのほぼ接線方向に回動可能に保持された第
１の調整板と、前記第１の調整板に回動自在に軸支され
、かつヘッドを搭載した第２の調整板とを備え、前記ヘ
ッドの磁気シート摺動面の中心と、前記第２の調整板の
回動軸中心を一致させるべく構成したヘッド装置である
。Means for Solving the Problems The present invention includes a carriage that moves in the radial direction of a magnetic sheet, and a carriage that is rotatably held by the carriage parallel to the rotating surface of the magnetic sheet and approximately in a tangential direction of the magnetic sheet. a first adjustment plate; a second adjustment plate rotatably supported by the first adjustment plate and on which a head is mounted; This is a head device configured to align the centers of rotational axes of the two adjustment plates.
作用
本発明は前記した構成により、第１の調整板を前記キャ
リッジに対し調整支軸を中心に回転させて調整を行なう
ことで前記Ｂ−Ｂ方向の調整ができ、第２の調整板を前
記第１の調整板に対して回転させて調整を行なうことで
Ａ−入方向の調整が可能である。しかも、Ａ−Ａ方向の
回動中心とヘッドの前記磁気シート摺動面の中心を一致
させており、前記Ｂ−Ｂ方向の調整を行なった後もその
関係は変化しないので、人−入方向の調整を行なっても
前記Ｂ−Ｂ方向のズレはなく、簡単な構造でしかも容易
に精度の良い調整を可能とするものである。Effects With the above-described configuration, the present invention allows adjustment in the B-B direction by rotating the first adjustment plate relative to the carriage around the adjustment support shaft, and adjusts the second adjustment plate in the B-B direction. Adjustment in the A-in direction is possible by rotating and adjusting the first adjustment plate. Moreover, the center of rotation in the A-A direction is aligned with the center of the magnetic sheet sliding surface of the head, and the relationship does not change even after the adjustment in the B-B direction. Even if the adjustment is made, there is no deviation in the B-B direction, and the structure is simple and allows for easy and accurate adjustment.
実施列
以下、本発明の実施例について説明する。第１図は本発
明の実施例におけるヘッド装置の要部斜視図である。同
図において、回転する磁気シートの径方向に移動するキ
ャリッジ１には基準穴２一つと長穴３，４が設けられ、
基準穴２に挿入された調整支軸６とビス３１，３２二本
により調整板６が保持されでいる。前記調整板６は偏芯
ビンを前記キャリッジの穴７に挿入し、前記調整板らの
長穴８を作用することにより、前記キャリッジ１に対し
前記調整支軸５を中心に第２図Ｃ−Ｃ方向に回動でき、
前記Ｂ−Ｂ方向の調整が可能である。Embodiments Examples of the present invention will be described below. FIG. 1 is a perspective view of essential parts of a head device in an embodiment of the present invention. In the figure, a carriage 1 that moves in the radial direction of a rotating magnetic sheet is provided with one reference hole 2 and long holes 3 and 4.
The adjustment plate 6 is held by the adjustment support shaft 6 inserted into the reference hole 2 and two screws 31 and 32. The adjusting plate 6 is made by inserting an eccentric bottle into the hole 7 of the carriage and acting on the elongated hole 8 of the adjusting plate, so that the carriage 1 can be adjusted around the adjusting support shaft 5 as shown in FIG. Can be rotated in the C direction,
Adjustment in the BB direction is possible.
前記調整板６は調整板９と内部にネジ穴を貫通させた支
軸ボス１ｏにより回動自在に軸支され、前記調整板９は
偏芯ビンを前記調整板６の穴１０に挿入し、前記調整板
９の長穴１１を作用することにより、前記調整板６に対
して前記支軸ボス１０を中心に回動でき、前記Ａ−Ａ方
向の調整が可能である。The adjustment plate 6 is rotatably supported by an adjustment plate 9 and a support shaft boss 1o having a screw hole penetrated therein, and the adjustment plate 9 has an eccentric bottle inserted into the hole 10 of the adjustment plate 6. By acting on the elongated hole 11 of the adjustment plate 9, the adjustment plate 6 can be rotated about the support shaft boss 10, and adjustment in the A-A direction is possible.
前記支軸ボス１ｏの内部のねじ穴には先端を鋭角に成形
したヘッド高さ調整ビス１２が前記調整板９の上面に突
出する如く挿入され、調整板９のねじ穴１３にも調整ビ
ス１２と同形状の調整ビス１５が挿入され、ヘッド取り
付は板１９と係合している。ねじ穴１４にはヘッド取り
付は板１９の穴３３を通して調整ビス１ｅが挿入され、
３点でヘッド取り付は板１９を保持している。又、調整
支軸１７は圧縮バネ１８をはさんで、ヘッド取り付は板
１９の穴３４を通して調整板９に取り付けられている。A head height adjustment screw 12 with an acute-angled tip is inserted into the screw hole inside the support shaft boss 1o so as to protrude from the top surface of the adjustment plate 9, and an adjustment screw 12 is also inserted into the screw hole 13 of the adjustment plate 9. An adjustment screw 15 having the same shape is inserted, and the head attachment engages with the plate 19. For head mounting, the adjustment screw 1e is inserted into the screw hole 14 through the hole 33 of the plate 19.
The head mounting plate 19 is held at three points. Further, the adjustment support shaft 17 is attached to the adjustment plate 9 with a compression spring 18 in between, and the head is attached to the adjustment plate 9 through a hole 34 in the plate 19.
よって常に前記調整ビス１２，１５゜１６に押しつけら
れる様に付勢力を受けている。Therefore, it is always subjected to an urging force so as to be pressed against the adjustment screws 12, 15° 16.
よって前記調整ビス１２，１５．１６を回転させ調整す
ることでヘッドの高さおよびヘッドの傾きが調整できる
。Therefore, by rotating and adjusting the adjustment screws 12, 15 and 16, the height and inclination of the head can be adjusted.
発明の効果
以上の様に本発明によれば、前記した構成により、回転
する磁気シートの接線方向の調整を行なった後でもヘッ
ドの磁気シート摺動面の中心とアジマス回転方向の回動
中心がずれないので、従来のように繰り返し調整する必
要がなく、簡単な構造で、しかも精度の良い調整を可能
とすることが可能であり、量産上の効果が大きい。Effects of the Invention As described above, according to the present invention, the above-described configuration allows the center of the sliding surface of the magnetic sheet of the head and the center of rotation in the azimuth rotation direction to be aligned even after adjusting the tangential direction of the rotating magnetic sheet. Since it does not shift, there is no need for repeated adjustments as in the conventional method, and it is possible to achieve highly accurate adjustment with a simple structure, which is highly effective in mass production.
第１図は本発明の一実施例のヘッド装置の要部分解斜視
図、第２図はその要部平面図、第３図はその正面図、第
４図はその左側面図、第６図はヘッド調整の説明のため
の斜視図、第６図は調整の説明のための上面図、第７図
は従来のヘッド調整機構部を示す斜視図である。
１・・・・・・キャリッジ、５・・・・・・調整支軸、
６・・・・・・調整板、９・・・・・・調整板、１ｏ・
・・・・・支軸ボス、１２・・・・・・ヘッド高さ調整
ビス、１５・・・・・・調整ビス、１６・・・・・−調
整ビス、１７・・・・・・調整支軸、１８・・・・・・
圧縮バネ、１９・・・・・・ヘッド取り付は板、２ｏ・
・・・・・ヘッド。
代理人の氏名 弁理士 中 尾 敏 男 ほか１名１−
ｍ−キャリッジ
Ｓ−−一硝整支釉
６−−一偶整う医
第 １ 図 ／２−−−ヘッド
８ぎ閂整ビス１５−−−調整ビス
第２図
１３図 ２゜
第４図
第５図Fig. 1 is an exploded perspective view of the main parts of a head device according to an embodiment of the present invention, Fig. 2 is a plan view of the main parts, Fig. 3 is a front view thereof, Fig. 4 is a left side view thereof, and Fig. 6 6 is a perspective view for explaining head adjustment, FIG. 6 is a top view for explaining adjustment, and FIG. 7 is a perspective view showing a conventional head adjustment mechanism. 1... Carriage, 5... Adjustment spindle,
6... Adjustment plate, 9... Adjustment plate, 1o.
.....Spindle boss, 12..head height adjustment screw, 15..adjustment screw, 16..-adjustment screw, 17..adjustment Spindle, 18...
Compression spring, 19...head mounting plate, 2o.
·····head. Name of agent: Patent attorney Toshio Nakao and 1 other person1-
m-Carriage S--One-piece adjustment support glaze 6--One-piece adjustment glaze No. 1 Fig. /2--Head 8 bar adjustment screw 15---Adjustment screw Fig. 2 Fig. 13 Fig. 2゜ Fig. 4 figure
Claims (1)
、該キャリッジに前記磁気シート回転面と平行に、かつ
磁気シートのほぼ接線方向に回動可能に保持された第１
の調整板と、前記第１の調整板に回動自在に軸支され、
かつヘッドを搭載した第２の調整板とを備え、前記ヘッ
ドの磁気シート摺動面の中心と、前記第２の調整板の回
動軸中心を一致させたことを特徴とするヘッド装置。a carriage that moves in the radial direction of the rotating magnetic sheet; and a first carriage that is rotatably held by the carriage parallel to the rotating surface of the magnetic sheet and approximately in a tangential direction of the magnetic sheet.
an adjustment plate rotatably supported by the first adjustment plate,
A head device comprising: a second adjusting plate on which a head is mounted; and a center of a sliding surface of a magnetic sheet of the head is aligned with a center of a rotation axis of the second adjusting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14526586A JPS632115A (en) | 1986-06-20 | 1986-06-20 | Head device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14526586A JPS632115A (en) | 1986-06-20 | 1986-06-20 | Head device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS632115A true JPS632115A (en) | 1988-01-07 |
Family
ID=15381132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14526586A Pending JPS632115A (en) | 1986-06-20 | 1986-06-20 | Head device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS632115A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5680279A (en) * | 1995-03-29 | 1997-10-21 | Daewoo Electronics Co., Ltd | Audio head assembly for use in a video cassette recorder |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS618718A (en) * | 1984-06-21 | 1986-01-16 | Fuji Photo Film Co Ltd | Adjusting device of magnetic head |
-
1986
- 1986-06-20 JP JP14526586A patent/JPS632115A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS618718A (en) * | 1984-06-21 | 1986-01-16 | Fuji Photo Film Co Ltd | Adjusting device of magnetic head |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5680279A (en) * | 1995-03-29 | 1997-10-21 | Daewoo Electronics Co., Ltd | Audio head assembly for use in a video cassette recorder |
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