JPH04163712A - Magnetic recording and reproducing apparatus - Google Patents
Magnetic recording and reproducing apparatusInfo
- Publication number
- JPH04163712A JPH04163712A JP29230890A JP29230890A JPH04163712A JP H04163712 A JPH04163712 A JP H04163712A JP 29230890 A JP29230890 A JP 29230890A JP 29230890 A JP29230890 A JP 29230890A JP H04163712 A JPH04163712 A JP H04163712A
- Authority
- JP
- Japan
- Prior art keywords
- screw
- magnetic head
- base
- contact
- slant surface
- 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
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000470 constituent Substances 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
本発明は磁気記録再生装置における磁気ヘッド位置微調
整機構に関する。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a magnetic head position fine adjustment mechanism in a magnetic recording/reproducing device.
従来の技術
従来、磁気記録再生装置、特にビデオテープレコーダ（
以下ＶＴＲという）においてはデツキ間のテープ互換性
のため、磁気ヘッドの取り付は位置を簡単に微調整する
機構が必要とされてきた。2. Description of the Related Art Conventionally, magnetic recording and reproducing devices, especially video tape recorders (
In order to ensure tape compatibility between decks in VTRs (hereinafter referred to as VTRs), a mechanism for easily finely adjusting the mounting position of the magnetic head has been required.
以下、従来の磁気記録再生装置の磁気ヘッド位置微調整
機構の一例について第３図および第４図を参照して説明
する。An example of a magnetic head position fine adjustment mechanism of a conventional magnetic recording/reproducing apparatus will be described below with reference to FIGS. 3 and 4.
図において、１はシャーシで、シャーシ１にはベース軸
２およびねじをもつテーパナツト軸３が植立させている
。磁気ヘッド５を配設したベース６はベース軸２に対し
て回動自在に取り付けられている。そして、前記磁気ヘ
ッド５にテープ４を対応させている。ベース軸２の上端
ねじ部にはベースナツト７が係合しており、ベース６の
上下方向の移動を規制している。そして、ベース軸２；
：取り付けられたスプリング８の固定端９および他端１
０によりベース６を入方向に付勢している。In the figure, 1 is a chassis, and the chassis 1 has a base shaft 2 and a taper nut shaft 3 with a screw installed therein. A base 6 on which a magnetic head 5 is disposed is rotatably attached to the base shaft 2. A tape 4 is made to correspond to the magnetic head 5. A base nut 7 is engaged with the threaded portion at the upper end of the base shaft 2, and restricts vertical movement of the base 6. And base axis 2;
: Fixed end 9 and other end 1 of the attached spring 8
0 biases the base 6 in the inward direction.
テーパナツト軸３の上端ねじ部は上面にすり割を持つ円
錐台状のテーパナツト１１と螺合しており、ベース６の
折り曲げ部６ａがその外周に当接するようになっている
。The upper end threaded portion of the taper nut shaft 3 is screwed into a truncated conical taper nut 11 having a slot on the upper surface, and the bent portion 6a of the base 6 comes into contact with the outer periphery of the taper nut 11.
上記構成においてその動作について説明する。The operation of the above configuration will be explained.
ベースｄはベース軸２を回動中心とし、テープバスと略
平行方向（Ｂ方向）にのみ移動できるが、その位置はベ
ース６の折り曲げ部６ａが接するテーパナツト１１の高
さによって決まる。テーパナツト１１の上端すり割わり
部をドライバー等によって回転させれば、テーパナツト
１１は上下し、ベース６の折り曲げ部６ａとテーパナツ
ト１１の外周部との当接位置が変わり、ベース６、すな
わち磁気ヘッド５の位置が微調整できることとなる。The base d rotates around the base shaft 2 and can move only in a direction substantially parallel to the tape bus (direction B), but its position is determined by the height of the taper nut 11 with which the bent portion 6a of the base 6 comes into contact. When the slotted portion at the upper end of the taper nut 11 is rotated with a screwdriver or the like, the taper nut 11 moves up and down, and the contact position between the bent portion 6a of the base 6 and the outer circumferential portion of the taper nut 11 changes, and the base 6, that is, the magnetic head 5 The position of can be finely adjusted.
発明が解決しようとする課題
このような従来の磁気記録再生装置では、上面にすり割
を持つ円錐台状のテーバナラｈｌｌという非常に製作の
難しい高価な部品を必要とするという問題を有していた
。Problems to be Solved by the Invention These conventional magnetic recording and reproducing devices had the problem of requiring an expensive part called a truncated conical tapered hll with a slot on the top surface, which was extremely difficult to manufacture. .
本発明は上記問題を解決するもので、テーパナツトを使
用せず安価に磁気ヘッド位置の微調整ができるようにし
た磁気記録再生装置を提供することを目的としている。SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a magnetic recording/reproducing apparatus that allows fine adjustment of the position of a magnetic head at low cost without using a taper nut.
課題を解決するための手段
上記目的を達成するために、本発明の磁気記録再生装置
は、傾斜面を有する固定突部と、磁気ヘッドが配設され
かつ前記磁気ヘッドがテープバスと平行あるいは略平行
に移動方向を規制された部材と、前記部材における磁気
ヘッドが配設された平面に垂直に設けられたねじ孔と、
前記ねじ穴に螺合するねじを有し、前記ねじ先端部が固
定突部の傾斜面に当接するように前記部材が付勢されて
いるという構成を備えたものである。Means for Solving the Problems In order to achieve the above object, a magnetic recording/reproducing device of the present invention includes a fixed protrusion having an inclined surface and a magnetic head, and the magnetic head is arranged parallel to or approximately parallel to a tape bus. a member whose movement direction is regulated in parallel; a screw hole provided perpendicularly to the plane in which the magnetic head is disposed in the member;
The device has a screw that is screwed into the screw hole, and the member is biased so that the tip of the screw comes into contact with the inclined surface of the fixed protrusion.
作用
本発明は上記した構成によって、磁気ヘッドが配設され
た部材に設けられたねじを回転、上下させ、ねじ先端部
と固定突部の傾斜面との当接位置を変えることにより磁
気ヘッド位置の微調整ができることとなる。According to the above-described structure, the present invention rotates and moves up and down the screw provided on the member on which the magnetic head is disposed, and changes the position of the magnetic head by changing the abutting position between the tip of the screw and the inclined surface of the fixed protrusion. This allows fine adjustments to be made.
実施例
以下、本発明の一実施例について第１図および第２図を
参照しながら説明する。なお、従来例で説明したものと
同一構成部材には同一番号を用いる。EXAMPLE Hereinafter, an example of the present invention will be described with reference to FIGS. 1 and 2. Note that the same numbers are used for the same constituent members as those explained in the conventional example.
図において１はシャーシで、シャーシ１にはベース軸２
が植立されている。磁気ヘッド５を配設したベース６は
ベース軸２に対して回動自在に取り付けられている。ベ
ース軸２の上端ねじ部にはベースナツト７が係合してお
りベース６の上下方向の移動を規制している。ベース軸
２に取り付けられたスプリング８の固定端９および他端
１０によりベース６を入方向に付勢している。ベース６
において磁気ヘッド５が配設された平面には垂直にねじ
孔１２が設けられ、このねじ孔１２にはねじ１３が螺合
し、その先端部はシャーシｌに設けられた傾斜面を有す
る固定突部１４の傾斜面に当接している。In the figure, 1 is the chassis, and the chassis 1 has a base shaft 2.
has been planted. A base 6 on which a magnetic head 5 is disposed is rotatably attached to the base shaft 2. A base nut 7 is engaged with the threaded portion at the upper end of the base shaft 2 to restrict movement of the base 6 in the vertical direction. A fixed end 9 and another end 10 of a spring 8 attached to the base shaft 2 bias the base 6 in the inward direction. base 6
A screw hole 12 is vertically provided in the plane on which the magnetic head 5 is disposed, and a screw 13 is screwed into the screw hole 12, the tip of which is connected to a fixed projection having an inclined surface provided on the chassis l. It is in contact with the inclined surface of the portion 14.
上記構成においてその動作について説明する。The operation of the above configuration will be explained.
ベース６はベース軸２を回動中心とし、テープバスと略
平行方向（Ｂ方向）にのみ移動できるが、その位置はね
じ１３の先端部が接する固定突部１４の傾斜面の高さに
よって決まる。ねじ１３をドライバー等によって回転さ
せれば、ねじ１３は上下し、その先端部と固定突部１４
の傾斜面との当接位置が変わりベース６、すなわち磁気
ヘッド５の位置が微調整できることとなる。The base 6 rotates around the base shaft 2 and can move only in a direction approximately parallel to the tape bath (direction B), but its position is determined by the height of the slope of the fixed protrusion 14 that the tip of the screw 13 contacts. . When the screw 13 is rotated with a screwdriver or the like, the screw 13 moves up and down, and its tip and fixing protrusion 14
The position of the base 6, that is, the position of the magnetic head 5 can be finely adjusted by changing the position of contact with the inclined surface.
以上のように本実施例によれば、磁気ヘッド５が配設さ
れた部材に設けられたねじ１３を回転、上下させ、ねじ
先端部と固定突部１４の傾斜面との当接位置を変えるこ
とによりテーパナツトを使用せず安価に磁気ヘッド５位
置の微調整ができることとなる。As described above, according to this embodiment, the screw 13 provided on the member on which the magnetic head 5 is disposed is rotated and moved up and down to change the contact position between the screw tip and the inclined surface of the fixed protrusion 14. This allows fine adjustment of the position of the magnetic head 5 at low cost without using a taper nut.
なお、本実施例において傾斜面を有する固定突部１４は
シャーシ１に設けられるとしたが、その他の固定部材に
設けられるとしてもよい。In this embodiment, the fixing protrusion 14 having an inclined surface is provided on the chassis 1, but it may be provided on another fixing member.
また、磁気ヘッド５が配設されたベース６は、シャーシ
１に植立されたベース軸２に対して回動自在に取り付け
られているとしたが、磁気ヘッド５がテープバスと平行
あるいは略平行に移動方向を規制されるならば、磁気ヘ
ッド５が配設されたベース６はシャーシ１に対しどのよ
うな取り付は方をされていてもよい。In addition, the base 6 on which the magnetic head 5 is disposed is rotatably attached to the base shaft 2 installed in the chassis 1, but the magnetic head 5 is parallel or substantially parallel to the tape bus. The base 6 on which the magnetic head 5 is disposed may be attached to the chassis 1 in any manner as long as the direction of movement is restricted.
発明の効果
以上の実施例の説明から明らかなように本発明は、磁気
ヘッドが配設された部材に設けられたねじ孔に螺合する
ねじを有し、ねじを回転することにより上下させねじ先
端部と固定突部の傾斜面との当接位置を変えるような磁
気ヘッド位置微調整機構としたことにより、テーバナツ
トを使用せず安価に磁気ヘッド位置の微調整ができると
いった優れた効果を得ることができる。Effects of the Invention As is clear from the description of the embodiments above, the present invention has a screw that is screwed into a screw hole provided in a member in which a magnetic head is disposed, and the screw can be moved up and down by rotating the screw. By adopting a magnetic head position fine adjustment mechanism that changes the abutting position between the tip and the inclined surface of the fixed protrusion, an excellent effect can be obtained in that the magnetic head position can be finely adjusted at low cost without using a taper nut. be able to.
第１図は本発明の一実施例の磁気記録再生装置の断面下
記第２図■−■面における図、第２図は同平面図、第３
図は従来の磁気記録再生装置の平面図、第４図は同第３
図のＩＶ−ＩＶ面における債断面図である。
４・・・・・・テープ、５・・・・・・磁気ヘッド、６
・・・・・・ベース、８・・・・・・スプリング、１２
・・・・・・ねじ孔、１３・・・・・・ねじ、１４・・
・・・・傾斜面を有する固定突部。
代理人の氏名 弁理士小鍜治明 ほか２名４−一一テ−
７゜
Ｓ−一一カム気へフＹ
ｃ−−−’＜ ス
ｆＪ ｌ 図 訃−スブリーゲ
１２−−−ねＬ：犯
１３−一−ねじ・
第２図FIG. 1 is a cross-sectional view of a magnetic recording/reproducing apparatus according to an embodiment of the present invention taken along the plane shown in FIG.
The figure is a plan view of a conventional magnetic recording/reproducing device, and Fig. 4 is a plan view of a conventional magnetic recording/reproducing device.
It is a sectional view of the bond taken along the plane IV-IV in the figure. 4...Tape, 5...Magnetic head, 6
...Base, 8...Spring, 12
...Screw hole, 13...Screw, 14...
...Fixed protrusion with an inclined surface. Name of agent: Patent attorney Haruaki Ogata and two others 4-11 Te-
7゜S-11 Kam Kihefu Y c---'< SfJ l Figure 詃-Sbrige 12---NeL: Crime 13-1-Screw・Figure 2
Claims (1)
つ前記磁気ヘッドがテープパスと平行あるいは略平行に
移動方向を規制された部材と、前記部材における磁気ヘ
ッドが配設された平面に垂直に設けられたねじ孔と、前
記ねじ孔に螺合するねじを有し、前記ねじ先端部を固定
突起部の傾斜面に当接するように前記部材を付勢させて
なる磁気ヘッド位置微調整機構を有する磁気記録再生装
置。a fixed protrusion having an inclined surface; a member on which a magnetic head is disposed and in which the direction of movement of the magnetic head is regulated to be parallel or substantially parallel to the tape path; and a member perpendicular to the plane on which the magnetic head is disposed in the member. A magnetic head position fine adjustment mechanism comprising: a screw hole provided in the screw hole; and a screw screwed into the screw hole, and urging the member so that the tip of the screw comes into contact with the inclined surface of the fixed protrusion. A magnetic recording and reproducing device having:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29230890A JPH04163712A (en) | 1990-10-29 | 1990-10-29 | Magnetic recording and reproducing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29230890A JPH04163712A (en) | 1990-10-29 | 1990-10-29 | Magnetic recording and reproducing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04163712A true JPH04163712A (en) | 1992-06-09 |
Family
ID=17780087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29230890A Pending JPH04163712A (en) | 1990-10-29 | 1990-10-29 | Magnetic recording and reproducing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04163712A (en) |
-
1990
- 1990-10-29 JP JP29230890A patent/JPH04163712A/en active Pending
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