JPH0626754Y2 - Transmission device with output torque switching mechanism - Google Patents
Transmission device with output torque switching mechanismInfo
- Publication number
- JPH0626754Y2 JPH0626754Y2 JP1987111227U JP11122787U JPH0626754Y2 JP H0626754 Y2 JPH0626754 Y2 JP H0626754Y2 JP 1987111227 U JP1987111227 U JP 1987111227U JP 11122787 U JP11122787 U JP 11122787U JP H0626754 Y2 JPH0626754 Y2 JP H0626754Y2
- Authority
- JP
- Japan
- Prior art keywords
- pulley
- output gear
- moving clutch
- transmission device
- switching mechanism
- 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 - Lifetime
Links
Landscapes
- Mechanical Operated Clutches (AREA)
- Transmission Devices (AREA)
Description
【考案の詳細な説明】 ［産業上の利用分野］ この考案は出力トルク切替え機構付き伝導装置に関する
もので、さらに詳しくはＶＴＲ装置等において早送り、
巻戻しの動作状態から再生動作に切替える場合のよう
に、動作モードを切替える際に出力トルクを切替えて駆
動力を伝達するようにした伝導装置の改良に関するもの
である。DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to a transmission device with an output torque switching mechanism.
The present invention relates to an improvement of a transmission device in which an output torque is switched and a driving force is transmitted when an operation mode is switched, such as a case where an operation state of rewinding is switched to a reproduction operation.
［従来の技術］ 従来からも摩擦伝達と直接伝達の２種類の伝達状態を切
替えて出力トクルの切替えを行うようにした同種機構は
存在しており、例えば特開昭６１−１８４７５１号にお
いてもその一例が開示されている。[Prior Art] Conventionally, there is a mechanism of the same kind in which two kinds of transmission states, friction transmission and direct transmission, are switched to switch the output tokule. For example, Japanese Patent Laid-Open No. 61-184751 discloses the same mechanism. An example is disclosed.
［考案が解決しようとする問題点］ しかしながら従来の出力トルク切替え機構においては、
トルク切替え操作が複数の連動部材を介してトルク切替
え機構部に伝えられるものがほとんどで部品点数が多
く、コストアップに通じる外、組み立て時間を要する等
の難点があった。[Problems to be Solved by the Invention] However, in the conventional output torque switching mechanism,
Most of the torque switching operations are transmitted to the torque switching mechanism through a plurality of interlocking members, and the number of parts is large, leading to cost increase and assembly time.
そこでこの考案の目的とするところは、このような出力
トルク切替え機構付き伝導装置においてトルク切替え操
作部が一部品で構成され、部品点数の削減、コストの低
減、組み立て時間の短縮化を図り得る伝導装置を提供す
るところにある。Therefore, an object of the present invention is that in such a transmission device with an output torque switching mechanism, the torque switching operation part is composed of one part, and the number of parts can be reduced, the cost can be reduced, and the assembly time can be shortened. It is in the area of providing equipment.
［問題点を解決するための手段］ 上記目的を達成するためこの考案においては次のような
構成を採用した。[Means for Solving Problems] In order to achieve the above object, the present invention adopts the following configuration.
まず、摩擦伝達および直接伝達を選択的に入出力機構部
の構成は、筒部に挿着したプーリーと摩擦伝導される摩
擦板の当該筒部の端部に出力歯車を固着し、出力歯車と
プーリーとの間において前記筒部に軸方向に移動可能に
挿着され常時出力歯車とともに回転可能な移動クラッチ
を設け、この移動クラッチとプーリーの対向面に両者を
共回り可能とする係合部を設け、スプリングによって常
時両者を離反状態となし、移動クラッチをバネ力に抗し
て軸方向に移動しプーリーと共回り状態とする操作板を
設けた構成とした。そしてこの機構部を操作する操作板
を、出力歯車と移動クラッチの間に介入されヒンジ部を
介して略山形に折れ曲がり可能な可動部と、この可動部
を押圧して折り曲げるスライド部とを有する合成樹脂成
形品とし、可動部に移動クラッチの押圧部を設けたこと
を特徴としている。First, the configuration of the input / output mechanism section selectively selects frictional transmission and direct transmission. The output gear is fixed to the end of the tubular portion of the friction plate, which is frictionally transmitted with the pulley inserted in the tubular portion. A moving clutch, which is inserted axially movably in the tubular portion between the pulley and rotatable with the output gear, is provided with an engaging portion on the opposing surface of the moving clutch and the pulley that allows both to rotate together. The operating plate is provided so as to keep them separated from each other by a spring and to move the moving clutch in the axial direction against the spring force so as to rotate together with the pulley. Then, the operation plate for operating this mechanism part is composed of a movable part which is interposed between the output gear and the moving clutch and can be bent into a substantially chevron shape via the hinge part, and a slide part which presses and bends the movable part. It is a resin molded product, and is characterized in that the movable portion is provided with a pressing portion of the moving clutch.
［作用］ 上記構成の伝導装置においては、通常プーリーの回動力
は摩擦板およびその筒部を介して出力歯車に伝えられ、
操作板を操作すれば山形に折れ曲った可動部の押圧部に
よって移動クラッチが押圧されることによりプーリーと
係合してプーリーの回動力が出力歯車に直接伝達される
機構を構成している。[Operation] In the transmission device configured as described above, the turning force of the pulley is normally transmitted to the output gear via the friction plate and its tubular portion,
When the operation plate is operated, the moving clutch is pressed by the pressing portion of the movable portion that is bent in a mountain shape, and the moving clutch is engaged with the pulley, so that the rotational force of the pulley is directly transmitted to the output gear.
可動部とスライド部を有する操作板は合成樹脂成形品と
したので、一部材で構成され部品点数の削減、コストの
低減、組み立て時間の短縮化が図り得る。Since the operation plate having the movable part and the slide part is a synthetic resin molded product, it can be configured with one member to reduce the number of parts, cost, and assembly time.
［実施例］ 次に図面に基づいて、この考案の一実施例について説明
する。[Embodiment] Next, an embodiment of the present invention will be described with reference to the drawings.
金属製の基盤（Ａ）に突設している支軸（１）の一端に
筒部（１３）を設けた合成樹脂製の摩擦板（３ａ）を挿
着し、この筒部（１３）に係合片（２）を設けた合成樹
脂製のプーリー（３）を挿着し摩擦部（３ｃ）を介して
プーリー（３）の回動を摩擦板（３ａ）に摩擦伝導する
ようにしている。プーリー（３）の他面側にも摩擦部
（３ｃ）（３ｄ）を有する合成樹脂製の摩擦板（３ｂ）
が設置されている。筒部（１３）の上端には筒部（４
ａ）において出力歯車（４）が固着され、出力歯車
（４）とプーリー（３）との間には筒部（１３）に軸方
向に移動可能に挿着され常時出力歯車（４）とともに回
転可能な移動クラッチ（６）を設けている。この移動ク
ラッチ（６）にはプーリー（３）との対向面に係合片
（２）と係合して両者を共回り可能とする突起片（５）
を設け、スプリング（７）によって常時両者を離反状態
としている。すなわち、係合片（２）と突起片（５）に
よってプーリー（３）と移動クラッチ（６）をを共回り
可能とする係合部を構成している。移動クラッチ（６）
は常時出力歯車（４）とともに回転可能としているが、
この例では、出力歯車（４）に貫通孔（９）を設け、こ
の孔（９）に移動クラッチ（６）に形成した案内脚（１
０）を挿入することにより、移動クラッチ（６）と歯車
（４）とを常時共回り可能とするとともに移動クラッチ
（６）を軸方向に移動可能としている。（８）は移動ク
ラッチ（６）をバネ力に抗して軸方向に移動しプーリー
（３）と共回り状態とする操作板で合成樹脂による成形
品となし、出力歯車（４）と移動クラッチ（６）の間に
介入されヒンジ部（８ａ）を介して略山形に折れ曲がり
可能な可動部（８ｂ）とこの可動部（８ｂ）を押圧して
折り曲げるスライド部（８ｃ）によって構成されてい
る。（８ｄ）は可動部（８ｂ）に設けた押圧部で可動部
（８ｄ）の折れ曲り時、移動クラッチ（６）に当接して
押圧する。なお、この押圧部（８ｄ）は引っ掛かり等を
なくすため球状に加工されている。スライド部（８ｃ）
の端部には磁性板（１２）が取り付けられ、ソレノイド
（１１）による吸着状態において操作板（８）の可動部
（８ｂ）は折れ曲り状態が保たれ、移動クラッチ（６）
とプーリー（３）は共回り状態が保持される。（１３）
はソレノイド（１１）による吸着時のクッションをなす
スプリングである。A friction plate (3a) made of a synthetic resin having a cylindrical portion (13) provided at one end of a support shaft (1) protruding from a metal base (A) is attached to the cylindrical portion (13). A synthetic resin pulley (3) provided with an engaging piece (2) is inserted and attached, and the rotation of the pulley (3) is frictionally transmitted to the friction plate (3a) via the friction portion (3c). . Friction plate (3b) made of synthetic resin having friction parts (3c) (3d) on the other side of the pulley (3)
Is installed. At the upper end of the tubular portion (13), the tubular portion (4
In (a), the output gear (4) is fixed, and the output gear (4) and the pulley (3) are axially movably inserted in the tubular portion (13) and constantly rotate with the output gear (4). A possible moving clutch (6) is provided. The moving clutch (6) has a projection piece (5) which engages with the engagement piece (2) on the surface facing the pulley (3) to enable both to rotate together.
Is provided, and the spring (7) always keeps them separated from each other. That is, the engaging piece (2) and the protruding piece (5) constitute an engaging portion that allows the pulley (3) and the moving clutch (6) to rotate together. Moving clutch (6)
Always rotates with the output gear (4),
In this example, a through hole (9) is provided in the output gear (4), and a guide leg (1) formed in the moving clutch (6) is provided in this hole (9).
By inserting 0), the moving clutch (6) and the gear (4) can always rotate together and the moving clutch (6) can move in the axial direction. (8) is an operation plate that moves the moving clutch (6) in the axial direction against the spring force and rotates together with the pulley (3), which is not a molded product made of synthetic resin, and the output gear (4) and the moving clutch. It is composed of a movable part (8b) which is interposed between (6) and can be bent into a substantially chevron shape via a hinge part (8a), and a slide part (8c) which presses and bends the movable part (8b). Reference numeral (8d) is a pressing portion provided on the movable portion (8b), which comes into contact with and presses the moving clutch (6) when the movable portion (8d) is bent. The pressing portion (8d) is formed into a spherical shape in order to eliminate catching and the like. Slide part (8c)
A magnetic plate (12) is attached to an end of the movable plate (8b) of the operation plate (8) in a state of being bent by the solenoid (11), and the movable clutch (6) is held.
And the pulley (3) are kept in a co-rotating state. (13)
Is a spring that serves as a cushion when attracted by the solenoid (11).
［考案の効果］ 以上の通り、この考案に係る出力トルク切替え機構付き
伝導装置は、従来の同種装置と同様にプーリーの回動力
を出力歯車に対し、摩擦伝達と直接伝達の２態様で伝え
得るのはもちろん、このトルク切替え操作を行う機構は
合成樹脂製の操作板一枚で良く、部品点数の大幅な削
減、コストダウン、並びに組み立て時間の短縮化を可能
としたものである。[Effects of the Invention] As described above, the transmission device with the output torque switching mechanism according to the present invention can transmit the rotational force of the pulley to the output gear in two modes, frictional transmission and direct transmission, as in the same type of conventional device. Needless to say, the mechanism for performing this torque switching operation may be a single operation plate made of synthetic resin, which makes it possible to greatly reduce the number of parts, cost, and assembly time.
第１図は、この考案に係る出力トルク切替え機構付き伝
導装置の一例を示す側面図で要部を断面にて示す。 第２図は、同分解展開図。 （１）……支軸、（２）……係合片 （３）……プーリー （３ａ）（３ｂ）……摩擦板 （３ｃ）（３ｄ）……摩擦部 （４）……出力歯車、（４ａ）……筒部 （５）……突起片、（６）……移動クラッチ （７）……スプリング、（８）……操作板 （８ａ）……ヒンジ部、（８ｂ）……可動部 （８ｃ）……スライド部、（８ｄ）……押圧部 （９）……貫通孔、（１０）……案内脚 （１１）……ソレノイド （１２）……磁性板 （１３）……スプリングFIG. 1 is a side view showing an example of a transmission device with an output torque switching mechanism according to the present invention, showing a main part in a cross section. Figure 2 is the same exploded view. (1) ...... Support shaft, (2) ...... Engagement piece (3) ...... Pulley (3a) (3b) ...... Friction plate (3c) (3d) ...... Friction part (4) ...... Output gear, (4a) ... Cylinder part (5) ... Projection piece, (6) ... Movement clutch (7) ... Spring, (8) ... Operating plate (8a) ... Hinge part, (8b) ... Movable Part (8c) ... Sliding part, (8d) ... Pressing part (9) ... Through hole, (10) ... Guide leg (11) ... Solenoid (12) ... Magnetic plate (13) ... Spring
Claims (1)
摩擦板の当該筒部の端部に出力歯車を固着し、出力歯車
とプーリーとの間において前記筒部に軸方向に移動可能
に挿着され常時出力歯車とともに回転可能な移動クラッ
チを設け、この移動クラッチとプーリーの対向面に両者
を共回り可能とする係合部を設け、スプリングによって
常時両者を離反状態となし、移動クラッチをバネ力に抗
して軸方向に移動しプーリーと共回り状態とする操作板
を設けた出力トルク切替え機構付き伝導装置において、
操作板が出力歯車と移動クラッチの間に介入されヒンジ
部を介して略山形に折れ曲がり可能な可動部とこの可動
部を押圧して折り曲げるスライド部とを有する合成樹脂
成形品からなり、可動部に移動クラッチの押圧部を設け
たことを特徴とする出力トルク切替え機構付き伝導装
置。1. An output gear is fixed to an end of the tubular portion of a friction plate that is frictionally transmitted to a pulley inserted in the tubular portion, and is axially movable to the tubular portion between the output gear and the pulley. A moving clutch that is inserted into the movable clutch and that can rotate with the output gear at all times is provided, and an engaging portion that allows both the moving clutch and the pulley to rotate together is provided. In the transmission device with the output torque switching mechanism, which is provided with an operation plate that moves in the axial direction against the spring force and is in a co-rotating state with the pulley,
The operation plate is made of a synthetic resin molded product having a movable part which is interposed between the output gear and the moving clutch and can be bent into a substantially chevron shape via the hinge part, and a slide part which presses and bends the movable part. A transmission device with an output torque switching mechanism, characterized in that a pressing portion of a moving clutch is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987111227U JPH0626754Y2 (en) | 1987-07-20 | 1987-07-20 | Transmission device with output torque switching mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987111227U JPH0626754Y2 (en) | 1987-07-20 | 1987-07-20 | Transmission device with output torque switching mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6417031U JPS6417031U (en) | 1989-01-27 |
| JPH0626754Y2 true JPH0626754Y2 (en) | 1994-07-20 |
Family
ID=31349093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987111227U Expired - Lifetime JPH0626754Y2 (en) | 1987-07-20 | 1987-07-20 | Transmission device with output torque switching mechanism |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0626754Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2604248B2 (en) * | 1989-10-27 | 1997-04-30 | 三洋電機株式会社 | Insulated box connection structure |
| JPH0752551Y2 (en) * | 1992-12-17 | 1995-11-29 | オリオン機械株式会社 | Panel frame fixing structure in fresh food storage |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0668857B2 (en) * | 1985-02-13 | 1994-08-31 | ソニー株式会社 | Output torque switching mechanism of reel stand |
-
1987
- 1987-07-20 JP JP1987111227U patent/JPH0626754Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6417031U (en) | 1989-01-27 |
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