JPH0337633U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図はスリツプトルク発生装置の分解斜面図
、第２図はスリツプトルク発生装置の断面図、第
３図は第１押え板、圧縮バネ、第２押え板の斜面
図で、第４図は従来例のスリツプトルク発生装置
の分解斜面図、第５図はＶＴＲのリール台駆動系
の説明図である。 １……出力ギヤ、１３……第１スリツプ部材、
２……ワンウエイクラツチ、３……入力ギヤ、４
……第１押え板、４４……第２スリツプ部材、５
……第２押え板、６……圧縮バネ、７……支え板
、７２……第３スリツプ部材。 Fig. 1 is an exploded perspective view of the slip torque generator, Fig. 2 is a sectional view of the slip torque generator, Fig. 3 is an oblique view of the first holding plate, compression spring, and second holding plate. FIG. 5 is an exploded perspective view of a conventional slip torque generating device, and is an explanatory diagram of a reel stand drive system of a VTR. 1... Output gear, 13... First slip member,
2...One-way clutch, 3...Input gear, 4
...First presser plate, 44...Second slip member, 5
... second presser plate, 6 ... compression spring, 7 ... support plate, 72 ... third slip member.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 出力ギヤ１、第１スリツプ部材１３、入力ギヤ
３、第２スリツプ部材４４、第１押え板４、第２
押え板５、第３スリツプ部材７２、支え板７を順
に同軸に配備し、出力ギヤ１と支え板７は互いの
軸心に突設した筒軸１１，７１が一体回転可能に
嵌着され、出力ギヤ１の筒軸１１と第２押え板５
とがワンウエイグラツチ２にて連繋され、第１押
え板４と第２押え板５は軸方向に移動可能且つ一
体回転可能に係合して両押え板４，５との間に圧
縮バネ６が介装され、入力ギヤ３の回転方向の切
替えにより、第２スリツプ部材４４或は第３スリ
ツプ部材７２のスリツプを無くして、第２、第３
スリツプ部材４４，７２の相手部材に対する接触
面積の相異によつて伝達トルクを変化させるスリ
ツプトルク発生装置に於て、第１押え板４と第２
押え板５の何れか一方に軸心と同心に短い周壁５
１が突設され、他方に該周壁５１が嵌まる穴４１
が開設され、該周壁５１の外周面には凸部５２が
形成され、穴縁には凸部５２が回転方向に少し余
裕のある状態で軸方向に摺動可能に嵌まる凹部４
４が形成され、凸部５２の差込み側先端に周方向
に爪片５３が突設され、前記穴４１の内面には爪
片５３が係脱可能な切欠４３が形成されているス
リツプトルク発生装置。 Output gear 1, first slip member 13, input gear 3, second slip member 44, first presser plate 4, second
The presser plate 5, the third slip member 72, and the support plate 7 are arranged coaxially in this order, and the output gear 1 and the support plate 7 are fitted with cylindrical shafts 11 and 71 protruding from their respective axes so that they can rotate together, Cylindrical shaft 11 of output gear 1 and second holding plate 5
are connected by a one-way latch 2, and the first presser plate 4 and the second presser plate 5 are engaged to be able to move in the axial direction and rotate integrally, and a compression spring 6 is inserted between the presser plates 4 and 5. is interposed, and by switching the rotational direction of the input gear 3, the slip of the second slip member 44 or the third slip member 72 is eliminated, and the second and third
In a slip torque generating device that changes the transmitted torque depending on the difference in the contact area of the slip members 44 and 72 with respect to a mating member, the first presser plate 4 and the second
A short peripheral wall 5 is provided on either side of the holding plate 5 concentrically with the axis.
1 is provided protrudingly, and the other hole 41 is fitted with the peripheral wall 51.
A convex portion 52 is formed on the outer circumferential surface of the peripheral wall 51, and a concave portion 4 into which the convex portion 52 is slidably fitted in the axial direction with a little margin in the rotational direction is formed on the hole edge.
4 is formed, a claw piece 53 is provided circumferentially protruding from the insertion side tip of the convex part 52, and a notch 43 is formed on the inner surface of the hole 41 to which the claw piece 53 can be engaged and detached. .