JPH034972Y2 - - Google Patents
Info
- Publication number
- JPH034972Y2 JPH034972Y2 JP3445084U JP3445084U JPH034972Y2 JP H034972 Y2 JPH034972 Y2 JP H034972Y2 JP 3445084 U JP3445084 U JP 3445084U JP 3445084 U JP3445084 U JP 3445084U JP H034972 Y2 JPH034972 Y2 JP H034972Y2
- Authority
- JP
- Japan
- Prior art keywords
- support shaft
- magnetic head
- base
- mounting base
- mount
- 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
Links
- 230000037431 insertion Effects 0.000 description 7
- 238000003780 insertion Methods 0.000 description 7
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Description
【考案の詳細な説明】
技術分野
本考案は、たとえばビデオテープ記録／再生装
置における音声再生用の磁気ヘツドを微調整して
取付け固定するための磁気ヘツドの取付装置に関
する。DETAILED DESCRIPTION OF THE INVENTION Technical Field The present invention relates to a magnetic head mounting device for finely adjusting and mounting a magnetic head for audio reproduction in, for example, a videotape recording/playback device.
背景技術
ビデオテープ記録／再生装置では、磁気テープ
をカセツトなどのテープ収納筐体内から外部に引
き出し、ビデオヘツドを有する回転シリンダに所
定角度にわたつて添接走行させる構成とし、この
ようにして画像を再生している。また音声を再生
するためのオーデイオヘツドが磁気テープに接触
するように設けられている。このようにして画像
と音声とが同時に記録／再生される。テープ相互
間の互換性を確保して画像を音声とを一致させる
ために、回転シリンダに取付けられている画像再
生用の磁気ヘツドと磁気テープとの接触が離れる
位置から、音声再生用の磁気ヘツドまでの磁気テ
ープ上での距離が規定しており、この音声再生用
磁気ヘツドは精密に微調整されて取付け固定され
なければならない。BACKGROUND ART A video tape recording/playback device has a structure in which a magnetic tape is pulled out from a tape storage case such as a cassette and run along a rotating cylinder having a video head over a predetermined angle. It's playing. An audio head for reproducing sound is also provided in contact with the magnetic tape. In this way, images and sounds are recorded/played simultaneously. In order to ensure compatibility between tapes and to match the image and audio, the magnetic head for audio reproduction, which is attached to the rotating cylinder, is moved from the position where the magnetic head for image reproduction and the magnetic tape come out of contact. The distance on the magnetic tape is regulated, and this magnetic head for audio reproduction must be precisely and finely adjusted and fixed in place.
このような磁気ヘツドを基台に取付ける磁気ヘ
ツドの取付装置５０の典型的な先行技術は、第１
図に示されている。基台１には、上部にねじ部２
が形成された支持軸３が立設されている。基台１
の上部には磁気テープ９に臨んで磁気ヘツド４を
取付けるための取付台５が配置されている。この
取付台５の円筒状軸受部６には前記支持軸３が遊
嵌している。取付台５の一端には前記支持軸３と
同軸な軸線を有する調整部材７が基台１に立設さ
れており、この調整部材７によつて取付台５は、
その位置が調整される。支持軸３の下部にはコイ
ルばね８が備えられており、このコイルばね８の
一端は取付台５に当接しており、または他端は基
台１に当接している。そのため軸受部６は基台１
から離反する方向および取付台５が調整部材７に
当接するように付勢されている。支持軸３のねじ
部２には取付台５を支持軸３に固定するためのナ
ツト１０が螺着されている。 A typical prior art of a magnetic head mounting device 50 for mounting such a magnetic head on a base is the first one.
As shown in the figure. The base 1 has a screw part 2 on the top.
A support shaft 3 having a structure formed thereon is erected. Base 1
A mounting base 5 for mounting the magnetic head 4 facing the magnetic tape 9 is disposed on the top of the magnetic tape 9 . The support shaft 3 is loosely fitted into the cylindrical bearing portion 6 of the mounting base 5. At one end of the mount 5, an adjustment member 7 having an axis coaxial with the support shaft 3 is erected on the base 1, and the adjustment member 7 allows the mount 5 to
Its position is adjusted. A coil spring 8 is provided at the lower part of the support shaft 3, and one end of the coil spring 8 is in contact with the mounting base 5, and the other end is in contact with the base 1. Therefore, the bearing part 6 is
The mounting base 5 is biased in the direction away from the adjustment member 7 and the mounting base 5 is biased so as to come into contact with the adjustment member 7 . A nut 10 for fixing the mounting base 5 to the support shaft 3 is screwed onto the threaded portion 2 of the support shaft 3.
このような先行技術では、磁気ヘツド４の微調
整を行なつた後、振動や衝撃によつて取付台５が
第２図で示されるように横方向にずれたり、また
は第３図に示されるように斜めに傾いたりしてし
まう。そのため、磁気テープの走行方向に対する
磁気ヘツド４の位置や傾きなどに狂いを生じるお
それがあつた。 In such prior art, after the magnetic head 4 is finely adjusted, the mounting base 5 may shift laterally due to vibration or impact as shown in FIG. 2, or as shown in FIG. It ends up tilting diagonally. As a result, there is a risk that the position and inclination of the magnetic head 4 with respect to the running direction of the magnetic tape may be distorted.
目 的
本考案の目的は、上述の技術的課題を解決し、
簡単な構成で、しかも確実に磁気ヘツドの調整位
置を維持することができる磁気ヘツド取付装置を
提供することである。Purpose The purpose of this invention is to solve the above technical problems,
To provide a magnetic head mounting device which has a simple configuration and can reliably maintain the adjusted position of a magnetic head.
考案の構成
本考案は、基台１１に固定的に設置され、ねじ
部１２ａを有する支持軸１２と、
支持軸１２と遊嵌する軸受部１９を有する磁気
ヘツド１４を取付けるための取付台１６と、
支持軸１２のまわりの取付台１６の位置決めを
行なう前記基台１１に設けられた調整部材１７
と、
前記支持軸１２に設けられたねじ部１２ａと螺
合して前記取付台１６の基台１１からの高さを調
整する調整ねじ２３と、
調整ねじ２３に前記取付台１６を常時付勢する
付勢手段２５と、
前記支持軸１２と前記取付台１６の軸受部１９
との隙間に圧入される弾性体２４とにより構成さ
れ、
前記取付台１６を前記調整部材１７に常時当接
する付勢手段２５，４０により前記取付台１６の
軸受部１９一端を支持軸１２に押圧するととも
に、前記弾性体２４により他端を位置決めするよ
うにしたことを特徴とする磁気ヘツドの取付装置
である。Structure of the invention The present invention includes a support shaft 12 that is fixedly installed on a base 11 and has a threaded portion 12a, and a mounting base 16 for mounting a magnetic head 14 that has a bearing portion 19 that fits loosely on the support shaft 12. , an adjustment member 17 provided on the base 11 for positioning the mounting base 16 around the support shaft 12;
an adjustment screw 23 that screws into the threaded portion 12a provided on the support shaft 12 to adjust the height of the mount 16 from the base 11; and a constant biasing of the mount 16 to the adjustment screw 23. a biasing means 25 that
and an elastic body 24 that is press-fitted into the gap between the mount 16 and the adjustment member 17. One end of the bearing 19 of the mount 16 is pressed against the support shaft 12 by urging means 25 and 40 that keep the mount 16 in constant contact with the adjustment member 17. At the same time, this magnetic head mounting device is characterized in that the other end is positioned by the elastic body 24.
実施例
第４図は本考案の一実施例の平面図であり、第
５図は第４図の矢符Ｈ側から見た側面図であり、
第６図は第４図の切断面線−から見た断面図
である。Embodiment FIG. 4 is a plan view of an embodiment of the present invention, and FIG. 5 is a side view seen from the arrow H side in FIG.
FIG. 6 is a sectional view taken along the section line - in FIG. 4.
この磁気ヘツド取付装置６０は、基本的には基
台１１に立設されている支持軸１２と、磁気テー
プ１３に臨んで磁気ヘツド１４を固定する固定板
１５と、固定板１５を介して磁気ヘツド１４の位
置や傾きなどを調整する取付台１６と、取付台１
６の位置を調整する調整部材１７とを含む。 This magnetic head mounting device 60 basically consists of a support shaft 12 erected on a base 11, a fixing plate 15 that faces the magnetic tape 13 and fixes the magnetic head 14, and a magnetic head attached via the fixing plate 15. A mounting base 16 for adjusting the position and inclination of the head 14, and a mounting base 1
and an adjustment member 17 that adjusts the position of 6.
取付台１６は、平板部１８と、平板部１８に連
接しかつ平板部１８に直角な方向に延びる直円状
上の軸受部１９とから成る。軸受部１９には挿通
孔２０が形成されている。この挿通孔２０は、第
１直円筒面２１と、第１直円筒面２１に連接する
第２直円筒面２２とから成る。第１直円筒面２１
と第２直円筒面２２とは同一な軸線を有してい
る。また第２直円筒面２２の径は第１直円筒面２
１の径より大きく選ばれている。 The mounting base 16 includes a flat plate part 18 and a right circular bearing part 19 connected to the flat plate part 18 and extending in a direction perpendicular to the flat plate part 18 . An insertion hole 20 is formed in the bearing portion 19 . This insertion hole 20 consists of a first right cylindrical surface 21 and a second right cylindrical surface 22 that is connected to the first right cylindrical surface 21 . First right cylindrical surface 21
and the second right cylindrical surface 22 have the same axis. The diameter of the second right cylindrical surface 22 is the same as that of the first right cylindrical surface 2.
The diameter is selected to be larger than the diameter of 1.
この挿通孔２０に前記支持軸１２が遊嵌し、支
持軸１２の上部に備えられているねじ部１２ａに
ナツト２３が螺合し、これによつて取付台１６が
基台１１に固定される。挿通孔２０の第２直円筒
面２２の内周面と、支持軸１２の外周面との隙間
には、たとえばゴムなどの弾性体２４が圧入され
ている。この弾性体２４によつて軸受部１９と支
持軸１２とはほぼ同一な軸線を有するように位置
決めされる。 The support shaft 12 fits loosely into the insertion hole 20, and the nut 23 is screwed into the threaded portion 12a provided at the upper part of the support shaft 12, thereby fixing the mounting base 16 to the base 11. . An elastic body 24, such as rubber, is press-fitted into the gap between the inner peripheral surface of the second right cylindrical surface 22 of the insertion hole 20 and the outer peripheral surface of the support shaft 12. This elastic body 24 positions the bearing portion 19 and the support shaft 12 so that they have substantially the same axis.
取付台１６の軸受部１９と基台１１との間には
コイルばね２５が介在している。このコイルばね
２５の一端２５ａは取付台１６の下部に形成され
ている係止片２６に当接している。またコイルば
ね２５の他端２５ｂは基台１１に穿設されている
透孔２７に挿通して固定される。そのため係止片
２６を介して取付台１６はコイルばね２５のばね
力によつて支持軸１２の軸線まわりに矢符Ａ方向
に付勢されている。したがつて取付台１６は常時
調整部材１７に当接されている。 A coil spring 25 is interposed between the bearing portion 19 of the mount 16 and the base 11. One end 25a of this coil spring 25 is in contact with a locking piece 26 formed at the bottom of the mounting base 16. The other end 25b of the coil spring 25 is inserted into a through hole 27 formed in the base 11 and fixed. Therefore, the mounting base 16 is biased in the direction of arrow A around the axis of the support shaft 12 by the spring force of the coil spring 25 via the locking piece 26. Therefore, the mounting base 16 is always in contact with the adjustment member 17.
取付台１６の上方に配置される固定板１５に
は、磁気ヘツド１４の微調整のための調整ねじ部
材３０，３１，３２が磁気ヘツド１４の各側面１
４ａ，１４ｂ，１４ｃ側にそれぞれ備えられる。
このねじ部材３０は固定板１５を挿通し取付台１
６に螺着される。またねじ部材３２は固定板１５
を挿通し取付台１６に螺着される。このようにし
て固定板１５が取付台に固定される。このねじ部
材３２には、固定板１５と頭部３２ａとの間にコ
イルばね３３が介在している。ねじ部材３０を締
付けることによつてコイルばね３３のばね力に抗
して磁気ヘツド１４を第５図の矢符Ｂ方向に角変
位調整することができる。 Adjustment screw members 30, 31, 32 for fine adjustment of the magnetic head 14 are installed on the fixed plate 15 disposed above the mounting base 16 on each side 1 of the magnetic head 14.
4a, 14b, and 14c, respectively.
This screw member 30 is inserted through the fixing plate 15 into the mounting base 1.
6 is screwed on. Further, the screw member 32 is attached to the fixing plate 15.
is inserted and screwed onto the mounting base 16. In this way, the fixing plate 15 is fixed to the mounting base. This screw member 32 has a coil spring 33 interposed between the fixing plate 15 and the head 32a. By tightening the screw member 30, the angular displacement of the magnetic head 14 can be adjusted in the direction of arrow B in FIG. 5 against the spring force of the coil spring 33.
またねじ部材３１は固定板１５に螺着し、その
下端３１ａが取付台１６に当接している。このね
じ部材３１の締付けを調整することによつて、固
定板１５したがつて磁気ヘツド１４を矢符Ｃ方向
に角変位させることができる。 Further, the screw member 31 is screwed onto the fixed plate 15, and its lower end 31a is in contact with the mounting base 16. By adjusting the tightening of this screw member 31, the fixed plate 15 and therefore the magnetic head 14 can be angularly displaced in the direction of arrow C.
さらに磁気ヘツド１４を、矢符Ａ方向およびそ
の反対方向に角変位調整するには、調整部材１７
が用いられる。この調整部材１７は、基台１１に
立設されている支軸３４と、円錐ナツト３５とか
ら成る。この円錐ナツト３５の外周面に、前述し
たように取付台１６の平板部１８が常時当接して
いる。したがつて円錐ナツト３５を第５図の上下
方向に変位させることによつて、取付台１６した
がつて磁気ヘツド１４を支持軸１２の軸線まわり
に矢符Ａ方向またはその反対方向に角変位調整す
ることができる。 Further, in order to adjust the angular displacement of the magnetic head 14 in the direction of the arrow A and the opposite direction, the adjustment member 17
is used. This adjustment member 17 is composed of a support shaft 34 that is erected on the base 11 and a conical nut 35. As described above, the flat plate portion 18 of the mounting base 16 is always in contact with the outer peripheral surface of the conical nut 35. Therefore, by displacing the conical nut 35 in the vertical direction in FIG. 5, the angular displacement of the mounting base 16 and therefore the magnetic head 14 can be adjusted around the axis of the support shaft 12 in the direction of arrow A or in the opposite direction. can do.
このようにして磁気ヘツド１４を所望位置に位
置するように調整した後、たとえば振動や衝撃が
生じても、取付台１６はコイルばね２５のばね力
および前述の弾性体２４によつて常に支持軸１２
に対して位置決めされているので、取付台１６し
たがつて磁気ヘツド１４は、従来のように横ずれ
や傾きが生じることが防がれる。 After adjusting the magnetic head 14 to the desired position in this way, even if vibration or impact occurs, the mounting base 16 is always supported by the spring force of the coil spring 25 and the aforementioned elastic body 24. 12
Since the mounting base 16 and therefore the magnetic head 14 are positioned relative to each other, the mount 16 and therefore the magnetic head 14 are prevented from shifting laterally or tilting as in the prior art.
なお、コイルばね２５は取付台１６を基台から
離反する方向に常時付勢しており、取付台１６を
第６図の上下方向に変位させるには、ナツト２３
を締付け調整することによつて行なわれる。 Note that the coil spring 25 always biases the mounting base 16 in the direction away from the base, and in order to displace the mounting base 16 in the vertical direction in FIG.
This is done by tightening and adjusting.
上述の実施例では弾性体２４は挿通孔２０の上
部付近にのみ圧入されたけれども、挿通孔２０の
上部および下部付近の２ケ所に圧入されてもよ
い。また上述の実施例では、取付台１６を調整部
材１７に常時当接するようにするために、コイル
ばね２５の一端２５ａを係止片２６に当接するよ
うにし、他端２５ｂを透孔２７に挿通して固定す
るように構成したけれども、第７図示のように１
つのコイルばね４０を用いて取付台１６を調整部
材１７に当接する方向に付勢するようにしてもよ
い。 Although the elastic body 24 was press-fitted only near the top of the insertion hole 20 in the above embodiment, it may be press-fitted at two places near the top and bottom of the insertion hole 20. Further, in the above embodiment, in order to keep the mounting base 16 in constant contact with the adjustment member 17, one end 25a of the coil spring 25 is brought into contact with the locking piece 26, and the other end 25b is inserted into the through hole 27. However, as shown in Figure 7,
Alternatively, two coil springs 40 may be used to bias the mounting base 16 in the direction of contacting the adjustment member 17.
効 果
以上のように本考案によれば、簡単な構成でし
かも確実に磁気ヘツドの調整位置を維持すること
が可能となる。Effects As described above, according to the present invention, it is possible to maintain the adjusted position of the magnetic head reliably with a simple configuration.
第１図は典型的な先行技術の縦断面図、第２図
および第３図は磁気ヘツド取付装置５０が位置調
整された後に調整位置がずれている状態を示した
図、第４図は本考案の一実施例の平面図、第５図
は第４図の矢符Ｈから見た側面図、第６図は第４
図の切断面線−から見た断面図、だい７ずは
他の実施例の平面図である。
１，１１……基台、３，１２……支持軸、４，
１４……磁気ヘツド、５，１６……取付台、６，
１９……軸受部、９，１３……磁気テープ、１５
……固定板、１７……調整部材、２０……挿通
孔、２４……弾性体、２５……コイルばね、２６
……係止片、２７……透孔、５０，６０……磁気
ヘツド取付装置。
FIG. 1 is a longitudinal sectional view of a typical prior art, FIGS. 2 and 3 are views showing a state in which the magnetic head mounting device 50 is deviated from its adjusted position after being adjusted, and FIG. 4 is a view of the present invention. A plan view of one embodiment of the invention, FIG. 5 is a side view seen from arrow H in FIG. 4, and FIG.
A cross-sectional view taken from the cutting plane line - in the figure, and item 7 is a plan view of another embodiment. 1, 11... Base, 3, 12... Support shaft, 4,
14...Magnetic head, 5, 16...Mounting base, 6,
19... Bearing part, 9, 13... Magnetic tape, 15
... Fixed plate, 17 ... Adjustment member, 20 ... Insertion hole, 24 ... Elastic body, 25 ... Coil spring, 26
... Locking piece, 27 ... Through hole, 50, 60 ... Magnetic head mounting device.
Claims (1)
有する支持軸１２と、 支持軸１２と遊嵌する軸受部１９を有する磁気
ヘツド１４を取付けるための取付台１６と、 支持軸１２のまわりの取付台１６の位置決めを
行なう前記基台１１に設けられた調整部材１７
と、 前記支持軸１２に設けられたねじ部１２ａと螺
合して前記取付台１６の基台１１からの高さを調
整する調整ねじ２３と、 調整ねじ２３に前記取付台１６を常時付勢する
付勢手段２５と、 前記支持軸１２と前記取付台１６の軸受部１９
との隙間に圧入される弾性体２４とにより構成さ
れ、 前記取付台１６を前記調整部材１７に常時当接
する付勢手段２５，４０により前記取付台１６の
軸受部１９一端を支持軸１２に押圧するととも
に、前記弾性体２４により他端を位置決めするよ
うにしたことを特徴とする磁気ヘツドの取付装
置。[Claims for Utility Model Registration] A mounting base 16 for mounting a support shaft 12 that is fixedly installed on a base 11 and has a threaded portion 12a, and a magnetic head 14 that has a bearing portion 19 that fits loosely on the support shaft 12. and an adjustment member 17 provided on the base 11 for positioning the mounting base 16 around the support shaft 12.
an adjustment screw 23 that screws into the threaded portion 12a provided on the support shaft 12 to adjust the height of the mount 16 from the base 11; and a constant biasing of the mount 16 to the adjustment screw 23. a biasing means 25 that
and an elastic body 24 that is press-fitted into the gap between the mount 16 and the adjustment member 17. One end of the bearing 19 of the mount 16 is pressed against the support shaft 12 by urging means 25 and 40 that keep the mount 16 in constant contact with the adjustment member 17. A magnetic head mounting device characterized in that the other end is positioned by the elastic body 24.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3445084U JPS60146916U (en) | 1984-03-09 | 1984-03-09 | Magnetic head mounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3445084U JPS60146916U (en) | 1984-03-09 | 1984-03-09 | Magnetic head mounting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60146916U JPS60146916U (en) | 1985-09-30 |
| JPH034972Y2 true JPH034972Y2 (en) | 1991-02-08 |
Family
ID=30537829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3445084U Granted JPS60146916U (en) | 1984-03-09 | 1984-03-09 | Magnetic head mounting device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60146916U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9236473B2 (en) | 2010-02-15 | 2016-01-12 | Micron Technology, Inc. | Field effect transistor devices |
| US9275728B2 (en) | 2010-08-12 | 2016-03-01 | Micron Technology, Inc. | Memory cells, non-volatile memory arrays, methods of operating memory cells, methods of writing to and writing from a memory cell, and methods of programming a memory cell |
| KR20230066089A (en) | 2020-10-15 | 2023-05-12 | 가부시끼가이샤 레조낙 | How to store fluoro-2-butene |
| KR20230066078A (en) | 2020-10-15 | 2023-05-12 | 가부시끼가이샤 레조낙 | How to store fluorobutene |
| KR20230066079A (en) | 2020-10-15 | 2023-05-12 | 가부시끼가이샤 레조낙 | How to store fluorobutene |
| KR20230066432A (en) | 2020-10-15 | 2023-05-15 | 가부시끼가이샤 레조낙 | How to store fluoro-2-butene |
| KR20230067642A (en) | 2020-10-15 | 2023-05-16 | 가부시끼가이샤 레조낙 | How to store fluoro-2-butene |
-
1984
- 1984-03-09 JP JP3445084U patent/JPS60146916U/en active Granted
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9236473B2 (en) | 2010-02-15 | 2016-01-12 | Micron Technology, Inc. | Field effect transistor devices |
| US9275728B2 (en) | 2010-08-12 | 2016-03-01 | Micron Technology, Inc. | Memory cells, non-volatile memory arrays, methods of operating memory cells, methods of writing to and writing from a memory cell, and methods of programming a memory cell |
| KR20230066089A (en) | 2020-10-15 | 2023-05-12 | 가부시끼가이샤 레조낙 | How to store fluoro-2-butene |
| KR20230066078A (en) | 2020-10-15 | 2023-05-12 | 가부시끼가이샤 레조낙 | How to store fluorobutene |
| KR20230066079A (en) | 2020-10-15 | 2023-05-12 | 가부시끼가이샤 레조낙 | How to store fluorobutene |
| KR20230066432A (en) | 2020-10-15 | 2023-05-15 | 가부시끼가이샤 레조낙 | How to store fluoro-2-butene |
| KR20230067642A (en) | 2020-10-15 | 2023-05-16 | 가부시끼가이샤 레조낙 | How to store fluoro-2-butene |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60146916U (en) | 1985-09-30 |
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