JPS5939319Y2 - flywheel - Google Patents
flywheelInfo
- Publication number
- JPS5939319Y2 JPS5939319Y2 JP1975177311U JP17731175U JPS5939319Y2 JP S5939319 Y2 JPS5939319 Y2 JP S5939319Y2 JP 1975177311 U JP1975177311 U JP 1975177311U JP 17731175 U JP17731175 U JP 17731175U JP S5939319 Y2 JPS5939319 Y2 JP S5939319Y2
- Authority
- JP
- Japan
- Prior art keywords
- flywheel
- bearing
- capstan
- recess
- shaped
- 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
Landscapes
- Support Of The Bearing (AREA)
- Sliding-Contact Bearings (AREA)
Description
【考案の詳細な説明】
本考案はフライホイール用軸受装置の改良に関するもの
である。[Detailed Description of the Invention] The present invention relates to an improvement of a bearing device for a flywheel.
たとえばテープレコーダをたて形に使用する場合には、
フライホイールがそれの軸線を水平方向に配向せしめて
配置されているがために、その軸線方向の「ガタ」が生
じやすぐ、その「ガタ」がテープ移送通路を変動させ、
その結果、テープレコーダの記録再生性能に悪影響を与
えることになる。For example, when using a tape recorder vertically,
Since the flywheel is arranged with its axis oriented in the horizontal direction, as soon as "play" occurs in the axial direction, the "play" causes the tape transport path to fluctuate.
As a result, the recording and reproducing performance of the tape recorder will be adversely affected.
それを回避せんとして、従来、テープレコーダのシャシ
とフライホイールの中央部との間にフライホイールの軸
を包囲してばねを介装せしめ、それによってフライホイ
ールを外方に偏倚せしめて「ガタ」を防止する機構が提
案されていた。In order to avoid this, conventionally a spring has been inserted between the chassis of the tape recorder and the center of the flywheel to surround the flywheel axis, thereby biasing the flywheel outward and causing "backlash". A mechanism has been proposed to prevent this.
しかしながら、そのような従来の機構は、「ガタ」を防
止するという点では一応満足しうるが、大きい巻径のば
ねが必要とされるがため、そのばねとフライホイールと
の間の摩擦抵抗が大きく、しかもそれら間に十分な潤滑
を確保することが困難であり、従ってフライホイールの
［ムラが発生したリ、あるいは長期間にわたって初期性
能を維持することが困難である等の難点があった。However, although such conventional mechanisms are somewhat satisfactory in terms of preventing rattling, they require a spring with a large winding diameter, which increases the frictional resistance between the spring and the flywheel. In addition, it is difficult to ensure sufficient lubrication between them, resulting in problems such as unevenness of the flywheel and difficulty in maintaining initial performance over a long period of time.
従って、本考案は上述したような難点を一挙に克服しえ
た新規にしそ改良された簡潔な構成のフライホイール用
軸受装置を提供することを目的とするものである。Therefore, an object of the present invention is to provide a new, improved, and simply constructed flywheel bearing device that can overcome the above-mentioned difficulties at once.
以下図面を参照して本考案の実施例につき説明しよう。Embodiments of the present invention will be described below with reference to the drawings.
図面は本考案による装置の→りを適用したテープレコー
ダｆ、ｆｃで形に使用した場合の要部を示す棚略断面図
であり、この図直において、１はテープレコーダのシャ
ン、２はフライホイール３はそのフライホイールに固定
して設けられたキャプスタンである。The drawing is a schematic cross-sectional view of the shelf showing the main parts when used in the form of tape recorders f and fc to which the device according to the present invention is applied. The wheel 3 is a capstan fixed to the flywheel.
４はそのキャプスタン３の一端部近傍とピンチローラ（
図示せず）との間にはさまれて所定の方向に移送せしめ
られる磁気テープである。4 is near one end of the capstan 3 and the pinch roller (
This is a magnetic tape that is sandwiched between a magnetic tape (not shown) and transported in a predetermined direction.
５はキャプスタン軸受であり、それは両端部にそれぞれ
例えば焼結含油金属で形成された軸受メタル６．６′を
嵌着せしめられており、一方の軸受メタル６の外表直と
フライホイール２に設けられた中央凹部２ａの亨坦面と
の間にはスラストワッシャＴがキャプスタン３を包囲し
ゃ配置されている。Reference numeral 5 designates a capstan bearing, which has bearing metals 6 and 6' formed of, for example, sintered oil-impregnated metal fitted at both ends thereof, and is provided on the outer surface of one of the bearing metals 6 and on the flywheel 2. A thrust washer T is disposed to surround the capstan 3 between the central recess 2a and the raised flat surface thereof.
図面において、数字８は本考案の一実施例によるフライ
ホイール用軸受装置を全体として示すものであり、この
軸受装置８は、それぞれ例えば適当な合成樹脂材料を成
形することによって形成されうる固定部材９釦よび可動
部材１０と、ばね１１とで構成されている。In the drawing, the numeral 8 designates as a whole a bearing device for a flywheel according to an embodiment of the present invention, which bearing device 8 each includes a fixing member 9, which can be formed, for example, by molding a suitable synthetic resin material. It is composed of a button, a movable member 10, and a spring 11.
固定部材９１ｒｉ端壁に透孔９ａを設けられかつ外周面
に雄ねじ９ｂを形成されたカップ状体として形成されて
いる。The fixing member 91ri is formed as a cup-shaped body with a through hole 9a provided in the end wall and a male thread 9b formed on the outer peripheral surface.
この固定部材９は、取付板１２に固着された内周面に雌
ねじ１３ａを形成されたリンク状の保持部材１３に図示
のごとく螺着されうるものである。The fixing member 9 can be screwed onto a link-shaped holding member 13, which is fixed to the mounting plate 12 and has a female thread 13a formed on its inner peripheral surface, as shown in the drawing.
可動部材１０は、平坦な軸受表面１０ａを有する軸受部
分１０ｂと、その軸受部分と一体的に形成されかつ軸受
表面１０ａとは反対側の表面１０ａ′の中央部分からそ
の表面に対して直交関係をもって延長している軸状部分
１０ｃとよりなっている。The movable member 10 has a bearing portion 10b having a flat bearing surface 10a, and a surface 10a' that is formed integrally with the bearing portion and is opposite to the bearing surface 10a, and has an orthogonal relation to the central portion of the surface 10a'. It consists of an extended shaft-shaped portion 10c.
この可動部材１０は、それの軸状部分１０ｃを固定部材
９の透孔９ａに軸線方向に可動なごとくして挿通せしめ
られて固定部材９に合体せしめられている。The movable member 10 is integrated with the fixed member 9 by having its shaft portion 10c inserted into the through hole 9a of the fixed member 9 so as to be movable in the axial direction.
また、固定部材９の上述した端壁の内表面と可動部材１
０の軸受部分１０ｂの表面１０ａ′との間には、軸状部
分１０ｃを包囲して、ばね１１が介挿せしめられている
。In addition, the inner surface of the end wall of the fixed member 9 and the movable member 1
A spring 11 is inserted between the bearing portion 10b and the surface 10a' of the bearing portion 10b, surrounding the shaft-like portion 10c.
而して、そのばね１１の弾発力により可動部材１０はフ
ライホイール２に接近する方向に偏倚され、それの軸受
表面１０ａをしてキャプスタン３のテープに係合する側
とは反対側の端部に当接せしめられる。The elastic force of the spring 11 biases the movable member 10 in the direction approaching the flywheel 2, and the bearing surface 10a of the movable member 10 is moved toward the side opposite to the side where it engages with the tape of the capstan 3. It is brought into contact with the end.
このように、可動部材１０がばね１１によって偏倚され
、その可動部材１０の軸受部分１０ｂと固定部材９との
間にはスラスト間隙ｇが存在せしめられている。In this way, the movable member 10 is biased by the spring 11, and a thrust gap g is created between the bearing portion 10b of the movable member 10 and the fixed member 9.
かくして、図示の構成にかいては、フライホイール２ば
、それに固定して設けられたキャプスタン３の一端部を
可動部材１０の軸受表面１０ａに当接せしめられた状態
で回転せしめられ、それに「ガタ」が生じようとすると
、ばね１１によって効果的に吸収されるのである。Thus, in the illustrated configuration, the flywheel 2 is rotated with one end of the capstan 3 fixed thereto in contact with the bearing surface 10a of the movable member 10, and Any looseness that may occur is effectively absorbed by the spring 11.
以上の説明から理解されるように、本考案によれば、上
述のごとく「ガタ」が効果的に吸収されるのであり、さ
らに、冒頭に述メた従来技術の場合と異なり、ばねがフ
ライホイールの表面に直接作用せしめられていないので
、それら間における冒頭に指摘したごとき摩擦抵抗の問
題が全くなく、しかもフライホイール２の中央凹部２ａ
の表面とキャプスタン軸受５に嵌着された軸受メメル６
との間に上述のごときスラストワッシャγを介在せしめ
ることによってそれら間の潤滑性ｄ善でき、以上長期に
わたって初期性能を維持できるのである。As can be understood from the above explanation, according to the present invention, the above-mentioned "backlash" is effectively absorbed.Furthermore, unlike the case of the prior art mentioned at the beginning, the spring is attached to the flywheel. Since it does not act directly on the surface of the flywheel 2, there is no problem of frictional resistance between them as pointed out at the beginning.
Bearing memel 6 fitted on the surface of the capstan bearing 5
By interposing the above-mentioned thrust washer γ between them, the lubricity between them can be improved, and the initial performance can be maintained over a long period of time.
この場合、スラストワッシャＴは小径のものでよいから
、それが係合する側のフライホイール２０表面Ｃ対する
加工精度につき、ばねを直接作用させる場合のような厳
密性が要求されない。In this case, since the thrust washer T may have a small diameter, the accuracy of machining the surface C of the flywheel 20 on the side with which it engages is not required to be as strict as when directly acting on the spring.
さらに、本考案の軸受装置は、それ自体で独立の部品と
して構成されているので、それを用いることによりテー
プレコーダの組立工程時における組立作業が容易となる
。Furthermore, since the bearing device of the present invention is constructed as an independent component, its use facilitates assembly work during the tape recorder assembly process.
ざらに！た、上述のごとく、固定部材９を保持部材１３
に螺着する構成を採ればスラスト間隙ｇを任意に調整で
きるという利益も得られるが、そのような構成によらず
、固定部材９を取付板１２に直ｉｔたけ間接に固定せし
める構成にしてもよいこと勿論である。Zarani! In addition, as described above, the fixing member 9 is attached to the holding member 13.
If a configuration in which the fixing member 9 is screwed onto the mounting plate 12 is adopted, an advantage can be obtained in that the thrust gap g can be arbitrarily adjusted. Of course it's a good thing.
図面は本考案の実施例によるフライホイール用軸受装置
全適用したテープレコーダをたて形に使用した場合にお
ける要部を示す概略断面類である。
１・・・・・・シャシ、２・・・・・・フライホイール
、３・・・・・・キャプスタン、４・・・・・磁気テー
プ、５・・−・・キャプスタン軸受。
６
ラフトワッシャ、
６′・・・・・・軸受メメル、７・・・・・・ス８・・
・・・・フライホイール用軸受装
置、９・・・・・・固定部材、１０・・・・・・可動部
材、・・・・・・軸受表面、１１・・・・・・ばね。
０ａThe drawings are schematic cross-sectional views showing the main parts of a tape recorder to which a flywheel bearing device according to an embodiment of the present invention is used in a vertical configuration. 1... Chassis, 2... Flywheel, 3... Capstan, 4... Magnetic tape, 5... Capstan bearing. 6 Raft washer, 6'...Bearing memel, 7...S8...
...Bearing device for flywheel, 9...Fixed member, 10...Movable member, ...Bearing surface, 11...Spring. 0a
Claims (1)
該キャプスタンの中間部分をキャプスタン軸受５によっ
て回転可能に支持されていることにより垂直面内で回転
可能となされたフライホイール２のための軸受装置にお
いて、 該フライホイール２に向って一側を開口となされ他側を
閉塞された凹部と、該閉塞された側の壁のほぼ中央部に
設けられた透孔９ａとを有する固定部材９と、 一端部を前記四部の前記開口側から外部に突出せしめら
れかつ他端部を前記透孔９ａを通じて外部に突出せしめ
られて前記凹部に配置さｔ″ｔｆｃ軸状部分１０ｃと、
該軸状部分１０ｃの前記一端部に一体的に設けられて前
記凹部の外側に前記キャプスタン２に対して実質的に直
交関係をもって配置された平坦な軸受表面１０ａを有す
る板状軸受部分１０ｂとよりなる可動部材１０と、 前記固定部材９の前記凹部内に該凹部の前記閉塞壁と前
記軸受部材１０の前記板状軸部分１０ｂとの間に装荷さ
れたばね１１と よりなり、該ばね１１の弾発力により、前記可動部材１
０を偏倚せしめて該可動部材の前記平坦な軸受表面１０
ａを、前記固定部材９の前記凹部の外部に訃いて、前記
キャプスタンのテープに係合せざる側の端部の端面に圧
着せしめて、前記フライホイールの軸線方向におけるガ
タを吸収しうるようになされたことを特徴とするフライ
ホイール用軸受装置。[Claims for Utility Model Registration] A horizontally arranged capstan 3 is installed in the center, and the middle part of the capstan is rotatably supported by a capstan bearing 5, so that it can rotate in a vertical plane. In a bearing device for a flywheel 2, a recess is provided on one side facing the flywheel 2 and closed on the other side, and approximately in the center of the wall on the closed side. a fixing member 9 having a through hole 9a; one end protruding outward from the opening side of the four parts and the other end protruding outward through the through hole 9a and disposed in the recess t''tfc; A shaft-shaped portion 10c,
a plate-shaped bearing part 10b having a flat bearing surface 10a integrally provided at the one end of the shaft-shaped part 10c and disposed outside the recess in a substantially orthogonal relationship with respect to the capstan 2; a spring 11 loaded in the recess of the fixed member 9 between the closing wall of the recess and the plate-shaped shaft portion 10b of the bearing member 10; Due to the elastic force, the movable member 1
0 of said flat bearing surface 10 of said movable member.
a is placed outside the recess of the fixing member 9 and is crimped to the end surface of the end of the capstan that is not engaged with the tape, so that play in the axial direction of the flywheel can be absorbed. A flywheel bearing device characterized by the following features:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1975177311U JPS5939319Y2 (en) | 1975-12-26 | 1975-12-26 | flywheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1975177311U JPS5939319Y2 (en) | 1975-12-26 | 1975-12-26 | flywheel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5289106U JPS5289106U (en) | 1977-07-04 |
| JPS5939319Y2 true JPS5939319Y2 (en) | 1984-11-01 |
Family
ID=28655620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1975177311U Expired JPS5939319Y2 (en) | 1975-12-26 | 1975-12-26 | flywheel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5939319Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2538598Y2 (en) * | 1990-05-14 | 1997-06-18 | 自動車電機工業株式会社 | Thrust receiving device for motor shaft |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4879931U (en) * | 1971-12-28 | 1973-10-01 | ||
| JPS5063007U (en) * | 1973-10-11 | 1975-06-09 |
-
1975
- 1975-12-26 JP JP1975177311U patent/JPS5939319Y2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5289106U (en) | 1977-07-04 |
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