JPS58102860A - Mechanism for attaching swinging idler - Google Patents
Mechanism for attaching swinging idlerInfo
- Publication number
- JPS58102860A JPS58102860A JP56198528A JP19852881A JPS58102860A JP S58102860 A JPS58102860 A JP S58102860A JP 56198528 A JP56198528 A JP 56198528A JP 19852881 A JP19852881 A JP 19852881A JP S58102860 A JPS58102860 A JP S58102860A
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- idler
- connecting member
- spring
- arm
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H53/00—Cams ; Non-rotary cams; or cam-followers, e.g. rollers for gearing mechanisms
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H15/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members
- F16H15/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members without members having orbital motion
- F16H15/46—Gearings providing a discontinuous or stepped range of gear ratios
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
- Transmission Devices (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は磁気記録再生装置のリール駆動等に使用する首
撮りアイド2の取付装置に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a mounting device for a neck photographing eye 2 used for driving a reel of a magnetic recording/reproducing device.
従来の取付構造は駆動軸を中心に回動する2個のアーム
を設け、一方のアームにはアイドラを回転自在に軸支し
両アーム間にはアイドラを駆動軸に対し所定の力で圧着
するようなバネを張架し、さらにこれらのアームの駆動
軸からの抜は止め用に4めワを用いていた。ところがこ
の方法は駆動軸の部分がアーム2個の肉厚及び止めワの
肉厚外が少くとも必要で装置を薄温化する上で障、害と
なっていた。又ゴム部品よりなるアイドラはサービス上
交換する機会が多くこれらの取り付は取り外しも止メワ
の取外しが厄介でありだ。The conventional mounting structure has two arms that rotate around the drive shaft, one arm supports the idler rotatably, and the idler is crimped against the drive shaft with a predetermined force between the two arms. A spring like this was stretched, and four locks were used to prevent these arms from being removed from the drive shaft. However, this method requires that the drive shaft portion be at least as thick as the two arms and the stopper, which is an obstacle to making the device thinner. In addition, idlers made of rubber parts are often replaced during service, and it is troublesome to remove the stopper.
本発明の目的は上記した従来技術の欠点をなくシ、薄徴
化が可能でかつ組立性、サービス性に優れた装置を提供
するにある。An object of the present invention is to eliminate the above-mentioned drawbacks of the prior art and to provide a device that can be made thinner and has excellent assembly and serviceability.
本発明では菫振りアイドラ装置においてアイドラ圧着用
のバネを駆動軸へ連結部材を介して取付け、駆動軸に設
けた連結部材の肉厚より大なる幅の溝と、連結部材に設
けた駆動軸径より大なる穴と、バネの偏寄力とによって
、連結部材がアイドラアームの駆動軸よりの抜止めを兼
ねるようにしたものである。In the present invention, a spring for crimping the idler is attached to the drive shaft via a connecting member in a swivel idler device, and a groove with a width larger than the wall thickness of the connecting member provided on the drive shaft and a diameter of the drive shaft provided on the connecting member are formed. By using the larger hole and the biasing force of the spring, the connecting member also serves to prevent the idler arm from coming off from the drive shaft.
以下、本発明の一実施例を第1図〜第4図により説明す
る。第1図は本発明を採用したVTRメカ全体の平面図
で停止モードを示し、シャーシ1には一対のリール軸2
11.58が設けられ、それぞれ回転自在にリール台2
.及び3が取り付けられている。軸5はシャーシ1に固
定されるサブシャーシ4上で両リールのほぼ垂直二等分
線上に設けられた固定軸で、第2図及び−第3図に詳細
を示すように駆動プーリ6が回転自在に設けられている
と共に首振りアイドラアーム7も回動自在に取り付けら
れている。1振りアイドラアーム7には、軸7暑が植立
され、アイドラ8を回転自在に軸支している。首振りア
イドラアーム7とアイドラ8とはフェルト9.バネ10
゜バネ座11.ストッパ12によってアームの首振りに
必要な所定の7リクシヨントルクが得られるようカップ
リングされている。又、13は長穴1nを有する連結部
材で、一端に設けた穴15bには軸7aとの間にバネ1
4が取り付けられ、アイドラ8を駆動プーリ6に常時圧
着していると共に、軸5に形成された溝5aKよって貫
振りアイドラアーム7を軸5に取り付ける止め輪の役目
を兼ねている。次に第4図によりて、この取付構造を詳
細に説明する。連結部材1Sには左右に伸びた腕部15
Cが設けられ菫振りアイドラアームく形成された穴7C
部に抑大可能となりている。An embodiment of the present invention will be described below with reference to FIGS. 1 to 4. FIG. 1 is a plan view of the entire VTR mechanism employing the present invention, showing the stop mode.
11.58 are provided, each rotatably reel stand 2
.. and 3 are attached. The shaft 5 is a fixed shaft provided approximately on the perpendicular bisector of both reels on the sub-chassis 4 fixed to the chassis 1, and the drive pulley 6 rotates as shown in detail in FIGS. 2 and 3. The oscillating idler arm 7 is also rotatably attached. A shaft 7 is installed in the single swing idler arm 7, and supports an idler 8 rotatably. The oscillating idler arm 7 and idler 8 are made of felt 9. spring 10
゜Spring seat 11. The stopper 12 is coupled to provide a predetermined 7 traction torque necessary for swinging the arm. Further, 13 is a connecting member having a long hole 1n, and a spring 1 is inserted between the hole 15b provided at one end and the shaft 7a.
4 is attached to keep the idler 8 pressed against the drive pulley 6 at all times, and also serves as a retaining ring for attaching the swinging idler arm 7 to the shaft 5 through a groove 5aK formed in the shaft 5. Next, this mounting structure will be explained in detail with reference to FIG. The connecting member 1S has an arm portion 15 extending left and right.
Hole 7C is provided with C and is formed in a serpentine idler arm.
It is possible to suppress the area.
連結部材15に設けた長穴1nは大径部と小径部の連続
した長穴で、小径部は穴13bから遠く離れたliKあ
り、大径部が軸5の径へより大で小径部が軸5に設けた
溝5蟲の径・ハより大で、ハより小となっている。父、
連結部材13の長大IM1が設けられている部分の肉厚
tと軸SKW&けだ溝の幅Hとの関係はt−d(となり
ている、−万賃振りアイドラアーム7には、軸5の径ハ
部と嵌合する長穴7bが設けられ、アイドラ8の駆動グ
ーy6への圧着方向が長穴の長手方向となりている。第
1図・で15はモーターで1図示せぬとも出力軸に一着
されたモータプーリと、軸5Kli転自在に設けられた
ベルトプーリ16との関に駆動ベルト17が張架され、
駆動プーリ6とベルトプーリ16とは、連結プーリ18
によって、回転方向が一体的に連結されている。以上の
様な構成としたので、連結部材1sの腕15Cを穴7C
K挿入し、穴1bとアイドラ8の枢軸7a間にバネ14
を張架すると連結部材15は、バネ14の付勢力によっ
て、軸7a側へ移動し腕部15Cが菫振りアイドラアー
ム7に設けられた壁7dK当接して姿勢が規制される0
次に、この状態の上記アイドラ組を軸5に取り付けるに
は、連結部材1sの壁llSd部をバネ14の付勢力に
逆らりて押し、長穴1釦の大径部が菫振りアイドラアー
ム7の長穴7bと重なるようにした状態で、軸5に挿入
し、連結部材15が溝51部まで挿入されたら%13d
部の抑圧をやめる。そうすると連結部材1sは、)(ネ
14の付勢力によりて軸7畠方向に移動させられ、長穴
1nの小径部が45mの径ハ部に係合されるから、アイ
ドラ8は、駆動プーリ6に対し)(ネ14の力で圧着さ
れると同時に、菫振りアイドラアーム7が軸5の囲りに
回動可能に取り付けられる。この状態で、モーター15
が第1図で時計方向へ回転駆動すると、第2図でベルト
プーリ16はベル)17によって時計方向へ回転をはじ
める。The long hole 1n provided in the connecting member 15 is a continuous long hole with a large diameter part and a small diameter part, the small diameter part is far away from the hole 13b, the large diameter part is larger than the diameter of the shaft 5, and the small diameter part is The diameter of the groove 5 provided on the shaft 5 is larger than the diameter of the groove 5, but smaller than the diameter of the groove 5. father,
The relationship between the wall thickness t of the portion where the long IM1 of the connecting member 13 is provided and the width H of the shaft SKW and the groove is t-d(-). An elongated hole 7b that fits into the diameter part C is provided, and the direction in which the idler 8 is crimped onto the drive goose y6 is the longitudinal direction of the elongated hole. A drive belt 17 is stretched between the motor pulley attached to the motor pulley and the belt pulley 16 rotatably provided on the shaft 5Kli.
The driving pulley 6 and the belt pulley 16 are connected to a connecting pulley 18.
The rotation directions are integrally connected. With the above configuration, the arm 15C of the connecting member 1s is connected to the hole 7C.
Insert the spring 14 between the hole 1b and the shaft 7a of the idler 8.
When the connecting member 15 is stretched, the connecting member 15 moves toward the shaft 7a side by the urging force of the spring 14, and the arm portion 15C comes into contact with the wall 7dK provided on the swing idler arm 7, and the posture is regulated.
Next, in order to attach the idler assembly in this state to the shaft 5, push the wall 11Sd part of the connecting member 1s against the biasing force of the spring 14, so that the large diameter part of the long hole 1 button is connected to the swing idler arm. When the connecting member 15 is inserted into the shaft 5 so as to overlap the elongated hole 7b of 7, and the connecting member 15 is inserted up to the groove 51 part, %13d
Stop suppressing the department. Then, the connecting member 1s is moved in the direction of the shaft 7 by the urging force of the screw 14, and the small diameter part of the elongated hole 1n is engaged with the 45 m diameter part, so the idler 8 is moved by the driving pulley 6. At the same time, the swing idler arm 7 is rotatably attached around the shaft 5. In this state, the motor 15
When the belt pulley 16 is rotated clockwise in FIG. 1, the belt pulley 16 starts rotating clockwise by the bell 17 in FIG.
従って駆動グー、す6は連結プーリ18を介して軸5の
回りを時計方向へ回転駆動されるから、菫損りアイドラ
アーム7もフェルトワッシャ9とバネIOKよる摩擦ト
ルクで、四時に時計方向へ回動させられ、やがてアイド
ラ8がリール台5の外周に当接するとアイドラ8はリー
ル台5を時計方向へ回転伝達はじめる。この時、連結部
材1sは軸5.に設けられた@ S aの回りを首振り
アイドラアーム7と同期して同方向へ回動するから、ア
イドラ8と駆動プーリ6との圧着状態は一様に保持され
ているのは明白である0次にモーター15が反時計方向
に回転駆動させられた時は、同様の伝達経路で駆動プー
リ6が反時計方向に回転を始め%首振りアイドラアーム
7は反時計方向へ回動して、リール台2を反時計方向へ
回転伝達するが、この時も連結部材1sは11mリアイ
ドラアーム7に同期し【同方向へ回動することになる。Therefore, since the drive gear 6 is rotated clockwise around the shaft 5 via the connecting pulley 18, the corner idler arm 7 is also rotated clockwise at 4 o'clock due to the friction torque caused by the felt washer 9 and the spring IOK. When the idler 8 is rotated and eventually comes into contact with the outer periphery of the reel stand 5, the idler 8 begins to rotate the reel stand 5 clockwise. At this time, the connecting member 1s is connected to the shaft 5. It is clear that the idler 8 and drive pulley 6 are kept in a uniform state of pressure because the swing idler arm 7 rotates around the @S a provided in the same direction in synchronization with the oscillating idler arm 7. When the motor 15 is rotated counterclockwise next time, the drive pulley 6 starts to rotate counterclockwise through the same transmission path, and the oscillating idler arm 7 rotates counterclockwise. The rotation of the reel stand 2 is transmitted in the counterclockwise direction, and at this time also, the connecting member 1s is synchronized with the 11 m rear idler arm 7 and rotates in the same direction.
このように本実A11lKよれば。Thus, according to Honjitsu A111K.
YI’R等のリール駆動装置における賽振りアイドラの
部分を圧着用バネまで包括した形でサブアッセンブリ化
できる為取り付は取り外しく関してはワンタッチで行な
え作業性サービス性が大いに向上する。父、従来のよう
な圧着バネ用の専用アーム及び止め輪が不要となるので
、駆動軸5部の高さを低くすることができ、装置の薄盛
化を容易にすることができる。Since the dice idler part of a reel drive device such as YI'R can be made into a subassembly that includes the compression spring, installation and removal can be done with one touch, greatly improving workability and serviceability. Furthermore, since the dedicated arm and retaining ring for the compression spring as in the prior art are not required, the height of the drive shaft 5 can be lowered, and the device can be made thinner.
以上述べた様に本発明によれば、部品点数を削減すると
共に、装置の薄型化を可能とし、同時に、従来の止め輪
←、ビス止め等の煩わしい作業の代りにワンタッチによ
る取り付け、取り外しを可能とした為、着しく作業性・
サービス性を向上することができた。As described above, according to the present invention, it is possible to reduce the number of parts and make the device thinner, and at the same time, it is possible to install and remove with one touch instead of the troublesome work of conventional retaining rings and screws. Because of this, it is easy to work and
We were able to improve service quality.
第1図は、本発明による一実施例を示すVTRる・
2・5・・・リール台 5・・・軸5m ・・・
#11 6川駆動プーリ7・・・首秦、リアイ
ドラアーム
8・・・アイドラ 15・・・連結部材15a・
・・長穴 14・・・発条15・・・モーター
才 Z 圓
3
1′3 図FIG. 1 shows an embodiment of a VTR according to the present invention.2.5...Reel stand 5...Axle 5m...
#11 6-river drive pulley 7... head, rear idler arm 8... idler 15... connecting member 15a.
...Slot hole 14...Spring 15...Motor shaft Z circle 3 1'3 Fig.
Claims (1)
に回転自在に軸支されたアイドラを該駆動軸に対し所定
の力で圧着するよう設定された発条を、該回動アームと
駆動軸間に連結部材を介し取り付けるようにした貫振り
アイドラ装置において、前記駆動軸に形成した前記連結
部材の肉厚より大なる幅をもつ溝と前記連結部材に設け
た少くとも前記駆動軸の径より大なる穴部と、前記発条
の偏寄力とにより、前記連結部材が前記回動アームの前
記軸よりの抜は止めとなるよう構成したことを特徴とす
る首撮りアイドラの取付機構。t. A spring set to press an idler rotatably supported on a rotating arm rotatably about a drive shaft with a predetermined force to the drive shaft is attached to the rotating arm. In a penetrating idler device that is attached between drive shafts via a connecting member, a groove having a width larger than the wall thickness of the connecting member formed in the driving shaft and at least one of the driving shafts provided in the connecting member. A mounting mechanism for a neck-shooting idler, characterized in that the connecting member is configured to prevent the rotating arm from being removed from the shaft by a hole larger than the diameter and a biasing force of the spring.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56198528A JPS58102860A (en) | 1981-12-11 | 1981-12-11 | Mechanism for attaching swinging idler |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56198528A JPS58102860A (en) | 1981-12-11 | 1981-12-11 | Mechanism for attaching swinging idler |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS58102860A true JPS58102860A (en) | 1983-06-18 |
Family
ID=16392637
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56198528A Pending JPS58102860A (en) | 1981-12-11 | 1981-12-11 | Mechanism for attaching swinging idler |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58102860A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6313429U (en) * | 1986-06-20 | 1988-01-28 | ||
JP3017641U (en) * | 1995-05-02 | 1995-10-31 | 船井電機株式会社 | Clutch mounting structure for magnetic recording / reproducing device |
-
1981
- 1981-12-11 JP JP56198528A patent/JPS58102860A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6313429U (en) * | 1986-06-20 | 1988-01-28 | ||
JP3017641U (en) * | 1995-05-02 | 1995-10-31 | 船井電機株式会社 | Clutch mounting structure for magnetic recording / reproducing device |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS58102860A (en) | Mechanism for attaching swinging idler | |
US5490019A (en) | Magnetic tape driving system having rotating member with increased angle of rotation | |
JPH0229546Y2 (en) | ||
US5833109A (en) | Pinch roller driving device for video recording and reproducing system | |
JPH11273188A (en) | Reel block | |
JP3018103B2 (en) | Disk drive | |
US4933787A (en) | Tape loading device for high-speed search of a VCR | |
JPH0237146Y2 (en) | ||
JPH10106101A (en) | On-vehicle disk player | |
JPS6319650Y2 (en) | ||
JPH0614290Y2 (en) | Breaker for capstan motor | |
KR910000143Y1 (en) | Pinch-roller | |
JPS6030840Y2 (en) | Flywheel shaft thrust receiver | |
JPH0210595Y2 (en) | ||
JPS6037716Y2 (en) | Recording/playback device | |
KR200177359Y1 (en) | Pinch roller driver device for vcr | |
JP3005823U (en) | Magnetic recording device | |
JP3082588B2 (en) | Reel base drive mechanism | |
JPH0648591Y2 (en) | Reel receiving and mounting mechanism of cassette type tape recorder | |
JP3134479B2 (en) | Reel drive | |
JPH0753153Y2 (en) | Pinch roller drive mechanism | |
JPS60164940A (en) | Tape end detector | |
JP2544218Y2 (en) | Reel shaft mounting device | |
JPH0630187B2 (en) | Reel stand drive | |
JPH082822Y2 (en) | Pinch roller device |